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/*
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* QEMU System Emulator
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*
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* Copyright (c) 2003-2006 Fabrice Bellard
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "vl.h" |
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#include <unistd.h> |
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#include <fcntl.h> |
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#include <signal.h> |
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#include <time.h> |
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#include <errno.h> |
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#include <sys/time.h> |
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#include <zlib.h> |
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#ifndef _WIN32
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#include <sys/times.h> |
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#include <sys/wait.h> |
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#include <termios.h> |
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#include <sys/poll.h> |
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#include <sys/mman.h> |
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#include <sys/ioctl.h> |
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#include <sys/socket.h> |
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#include <netinet/in.h> |
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#include <dirent.h> |
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#include <netdb.h> |
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#ifdef _BSD
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#include <sys/stat.h> |
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#ifndef __APPLE__
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#include <libutil.h> |
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#endif
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#else
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#ifndef __sun__
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#include <linux/if.h> |
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#include <linux/if_tun.h> |
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#include <pty.h> |
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#include <malloc.h> |
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#include <linux/rtc.h> |
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#include <linux/ppdev.h> |
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#endif
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#endif
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#endif
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#if defined(CONFIG_SLIRP)
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#include "libslirp.h" |
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#endif
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#ifdef _WIN32
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#include <malloc.h> |
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#include <sys/timeb.h> |
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#include <windows.h> |
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#define getopt_long_only getopt_long
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#define memalign(align, size) malloc(size)
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#endif
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#include "qemu_socket.h" |
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#ifdef CONFIG_SDL
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#ifdef __APPLE__
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#include <SDL/SDL.h> |
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#endif
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#endif /* CONFIG_SDL */ |
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#ifdef CONFIG_COCOA
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#undef main
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#define main qemu_main
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#endif /* CONFIG_COCOA */ |
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#include "disas.h" |
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#include "exec-all.h" |
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#define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup" |
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//#define DEBUG_UNUSED_IOPORT
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//#define DEBUG_IOPORT
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#define PHYS_RAM_MAX_SIZE (2047 * 1024 * 1024) |
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#ifdef TARGET_PPC
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#define DEFAULT_RAM_SIZE 144 |
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#else
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#define DEFAULT_RAM_SIZE 128 |
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#endif
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/* in ms */
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#define GUI_REFRESH_INTERVAL 30 |
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/* Max number of USB devices that can be specified on the commandline. */
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#define MAX_USB_CMDLINE 8 |
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/* XXX: use a two level table to limit memory usage */
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#define MAX_IOPORTS 65536 |
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#define DISK_OPTIONS_SIZE 256 |
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const char *bios_dir = CONFIG_QEMU_SHAREDIR; |
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char phys_ram_file[1024]; |
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void *ioport_opaque[MAX_IOPORTS];
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IOPortReadFunc *ioport_read_table[3][MAX_IOPORTS];
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IOPortWriteFunc *ioport_write_table[3][MAX_IOPORTS];
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/* Note: bs_table[MAX_DISKS] is a dummy block driver if none available
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to store the VM snapshots */
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BlockDriverState *bs_table[MAX_DISKS + 1], *fd_table[MAX_FD];
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/* point to the block driver where the snapshots are managed */
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BlockDriverState *bs_snapshots; |
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BlockDriverState *bs_scsi_table[MAX_SCSI_DISKS]; |
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SCSIDiskInfo scsi_disks_info[MAX_SCSI_DISKS]; |
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int scsi_hba_lsi; /* Count of scsi disks/cdrom using this lsi adapter */ |
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int vga_ram_size;
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int bios_size;
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static DisplayState display_state;
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int nographic;
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const char* keyboard_layout = NULL; |
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int64_t ticks_per_sec; |
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int boot_device = 'c'; |
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int ram_size;
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int pit_min_timer_count = 0; |
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int nb_nics;
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NICInfo nd_table[MAX_NICS]; |
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QEMUTimer *gui_timer; |
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int vm_running;
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int rtc_utc = 1; |
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int cirrus_vga_enabled = 1; |
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#ifdef TARGET_SPARC
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int graphic_width = 1024; |
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int graphic_height = 768; |
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#else
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int graphic_width = 800; |
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int graphic_height = 600; |
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#endif
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int graphic_depth = 15; |
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int full_screen = 0; |
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int no_quit = 0; |
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CharDriverState *serial_hds[MAX_SERIAL_PORTS]; |
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CharDriverState *parallel_hds[MAX_PARALLEL_PORTS]; |
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#ifdef TARGET_I386
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int win2k_install_hack = 0; |
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#endif
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int usb_enabled = 0; |
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static VLANState *first_vlan;
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int smp_cpus = 1; |
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const char *vnc_display; |
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#if defined(TARGET_SPARC)
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#define MAX_CPUS 16 |
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#elif defined(TARGET_I386)
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#define MAX_CPUS 255 |
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#else
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#define MAX_CPUS 1 |
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#endif
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int acpi_enabled = 1; |
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int fd_bootchk = 1; |
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int no_reboot = 0; |
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int daemonize = 0; |
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/***********************************************************/
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/* x86 ISA bus support */
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target_phys_addr_t isa_mem_base = 0;
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PicState2 *isa_pic; |
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uint32_t default_ioport_readb(void *opaque, uint32_t address)
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{ |
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#ifdef DEBUG_UNUSED_IOPORT
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fprintf(stderr, "inb: port=0x%04x\n", address);
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#endif
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return 0xff; |
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} |
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void default_ioport_writeb(void *opaque, uint32_t address, uint32_t data) |
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{ |
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#ifdef DEBUG_UNUSED_IOPORT
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fprintf(stderr, "outb: port=0x%04x data=0x%02x\n", address, data);
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#endif
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} |
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/* default is to make two byte accesses */
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uint32_t default_ioport_readw(void *opaque, uint32_t address)
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{ |
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uint32_t data; |
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data = ioport_read_table[0][address](ioport_opaque[address], address);
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address = (address + 1) & (MAX_IOPORTS - 1); |
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data |= ioport_read_table[0][address](ioport_opaque[address], address) << 8; |
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return data;
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} |
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void default_ioport_writew(void *opaque, uint32_t address, uint32_t data) |
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{ |
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ioport_write_table[0][address](ioport_opaque[address], address, data & 0xff); |
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address = (address + 1) & (MAX_IOPORTS - 1); |
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ioport_write_table[0][address](ioport_opaque[address], address, (data >> 8) & 0xff); |
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} |
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uint32_t default_ioport_readl(void *opaque, uint32_t address)
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{ |
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#ifdef DEBUG_UNUSED_IOPORT
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fprintf(stderr, "inl: port=0x%04x\n", address);
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#endif
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return 0xffffffff; |
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} |
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void default_ioport_writel(void *opaque, uint32_t address, uint32_t data) |
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{ |
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#ifdef DEBUG_UNUSED_IOPORT
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fprintf(stderr, "outl: port=0x%04x data=0x%02x\n", address, data);
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#endif
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} |
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void init_ioports(void) |
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{ |
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int i;
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for(i = 0; i < MAX_IOPORTS; i++) { |
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ioport_read_table[0][i] = default_ioport_readb;
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ioport_write_table[0][i] = default_ioport_writeb;
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ioport_read_table[1][i] = default_ioport_readw;
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ioport_write_table[1][i] = default_ioport_writew;
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ioport_read_table[2][i] = default_ioport_readl;
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ioport_write_table[2][i] = default_ioport_writel;
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} |
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} |
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/* size is the word size in byte */
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int register_ioport_read(int start, int length, int size, |
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IOPortReadFunc *func, void *opaque)
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{ |
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int i, bsize;
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if (size == 1) { |
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bsize = 0;
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} else if (size == 2) { |
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bsize = 1;
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} else if (size == 4) { |
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bsize = 2;
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} else {
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hw_error("register_ioport_read: invalid size");
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return -1; |
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} |
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for(i = start; i < start + length; i += size) {
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ioport_read_table[bsize][i] = func; |
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if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque) |
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hw_error("register_ioport_read: invalid opaque");
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ioport_opaque[i] = opaque; |
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} |
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return 0; |
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} |
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/* size is the word size in byte */
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int register_ioport_write(int start, int length, int size, |
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IOPortWriteFunc *func, void *opaque)
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{ |
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int i, bsize;
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if (size == 1) { |
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bsize = 0;
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} else if (size == 2) { |
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bsize = 1;
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} else if (size == 4) { |
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bsize = 2;
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} else {
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hw_error("register_ioport_write: invalid size");
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return -1; |
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} |
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for(i = start; i < start + length; i += size) {
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ioport_write_table[bsize][i] = func; |
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if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque) |
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hw_error("register_ioport_read: invalid opaque");
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ioport_opaque[i] = opaque; |
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} |
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return 0; |
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} |
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void isa_unassign_ioport(int start, int length) |
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{ |
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int i;
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for(i = start; i < start + length; i++) {
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ioport_read_table[0][i] = default_ioport_readb;
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ioport_read_table[1][i] = default_ioport_readw;
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ioport_read_table[2][i] = default_ioport_readl;
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ioport_write_table[0][i] = default_ioport_writeb;
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ioport_write_table[1][i] = default_ioport_writew;
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ioport_write_table[2][i] = default_ioport_writel;
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} |
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} |
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/***********************************************************/
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void pstrcpy(char *buf, int buf_size, const char *str) |
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{ |
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int c;
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char *q = buf;
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if (buf_size <= 0) |
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return;
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for(;;) {
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c = *str++; |
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if (c == 0 || q >= buf + buf_size - 1) |
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break;
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*q++ = c; |
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} |
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*q = '\0';
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} |
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/* strcat and truncate. */
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char *pstrcat(char *buf, int buf_size, const char *s) |
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{ |
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int len;
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len = strlen(buf); |
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if (len < buf_size)
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pstrcpy(buf + len, buf_size - len, s); |
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return buf;
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} |
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int strstart(const char *str, const char *val, const char **ptr) |
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{ |
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const char *p, *q; |
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p = str; |
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q = val; |
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while (*q != '\0') { |
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if (*p != *q)
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return 0; |
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p++; |
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q++; |
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} |
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if (ptr)
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*ptr = p; |
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return 1; |
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} |
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void cpu_outb(CPUState *env, int addr, int val) |
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{ |
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#ifdef DEBUG_IOPORT
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if (loglevel & CPU_LOG_IOPORT)
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fprintf(logfile, "outb: %04x %02x\n", addr, val);
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#endif
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ioport_write_table[0][addr](ioport_opaque[addr], addr, val);
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#ifdef USE_KQEMU
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if (env)
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env->last_io_time = cpu_get_time_fast(); |
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#endif
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} |
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void cpu_outw(CPUState *env, int addr, int val) |
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{ |
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#ifdef DEBUG_IOPORT
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if (loglevel & CPU_LOG_IOPORT)
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fprintf(logfile, "outw: %04x %04x\n", addr, val);
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#endif
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ioport_write_table[1][addr](ioport_opaque[addr], addr, val);
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#ifdef USE_KQEMU
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if (env)
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env->last_io_time = cpu_get_time_fast(); |
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#endif
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} |
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void cpu_outl(CPUState *env, int addr, int val) |
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{ |
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#ifdef DEBUG_IOPORT
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if (loglevel & CPU_LOG_IOPORT)
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fprintf(logfile, "outl: %04x %08x\n", addr, val);
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#endif
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ioport_write_table[2][addr](ioport_opaque[addr], addr, val);
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#ifdef USE_KQEMU
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if (env)
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env->last_io_time = cpu_get_time_fast(); |
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#endif
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} |
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int cpu_inb(CPUState *env, int addr) |
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{ |
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int val;
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val = ioport_read_table[0][addr](ioport_opaque[addr], addr);
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#ifdef DEBUG_IOPORT
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if (loglevel & CPU_LOG_IOPORT)
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fprintf(logfile, "inb : %04x %02x\n", addr, val);
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#endif
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#ifdef USE_KQEMU
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if (env)
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env->last_io_time = cpu_get_time_fast(); |
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#endif
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return val;
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} |
403 |
|
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int cpu_inw(CPUState *env, int addr) |
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{ |
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int val;
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val = ioport_read_table[1][addr](ioport_opaque[addr], addr);
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#ifdef DEBUG_IOPORT
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if (loglevel & CPU_LOG_IOPORT)
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fprintf(logfile, "inw : %04x %04x\n", addr, val);
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#endif
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#ifdef USE_KQEMU
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413 |
if (env)
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env->last_io_time = cpu_get_time_fast(); |
415 |
#endif
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return val;
|
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} |
418 |
|
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int cpu_inl(CPUState *env, int addr) |
420 |
{ |
421 |
int val;
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val = ioport_read_table[2][addr](ioport_opaque[addr], addr);
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#ifdef DEBUG_IOPORT
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if (loglevel & CPU_LOG_IOPORT)
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fprintf(logfile, "inl : %04x %08x\n", addr, val);
|
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#endif
|
427 |
#ifdef USE_KQEMU
|
428 |
if (env)
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env->last_io_time = cpu_get_time_fast(); |
430 |
#endif
|
431 |
return val;
|
432 |
} |
433 |
|
434 |
/***********************************************************/
|
435 |
void hw_error(const char *fmt, ...) |
436 |
{ |
437 |
va_list ap; |
438 |
CPUState *env; |
439 |
|
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va_start(ap, fmt); |
441 |
fprintf(stderr, "qemu: hardware error: ");
|
442 |
vfprintf(stderr, fmt, ap); |
443 |
fprintf(stderr, "\n");
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444 |
for(env = first_cpu; env != NULL; env = env->next_cpu) { |
445 |
fprintf(stderr, "CPU #%d:\n", env->cpu_index);
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446 |
#ifdef TARGET_I386
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447 |
cpu_dump_state(env, stderr, fprintf, X86_DUMP_FPU); |
448 |
#else
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449 |
cpu_dump_state(env, stderr, fprintf, 0);
|
450 |
#endif
|
451 |
} |
452 |
va_end(ap); |
453 |
abort(); |
454 |
} |
455 |
|
456 |
/***********************************************************/
|
457 |
/* keyboard/mouse */
|
458 |
|
459 |
static QEMUPutKBDEvent *qemu_put_kbd_event;
|
460 |
static void *qemu_put_kbd_event_opaque; |
461 |
static QEMUPutMouseEvent *qemu_put_mouse_event;
|
462 |
static void *qemu_put_mouse_event_opaque; |
463 |
static int qemu_put_mouse_event_absolute; |
464 |
|
465 |
void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque) |
466 |
{ |
467 |
qemu_put_kbd_event_opaque = opaque; |
468 |
qemu_put_kbd_event = func; |
469 |
} |
470 |
|
471 |
void qemu_add_mouse_event_handler(QEMUPutMouseEvent *func, void *opaque, int absolute) |
472 |
{ |
473 |
qemu_put_mouse_event_opaque = opaque; |
474 |
qemu_put_mouse_event = func; |
475 |
qemu_put_mouse_event_absolute = absolute; |
476 |
} |
477 |
|
478 |
void kbd_put_keycode(int keycode) |
479 |
{ |
480 |
if (qemu_put_kbd_event) {
|
481 |
qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode); |
482 |
} |
483 |
} |
484 |
|
485 |
void kbd_mouse_event(int dx, int dy, int dz, int buttons_state) |
486 |
{ |
487 |
if (qemu_put_mouse_event) {
|
488 |
qemu_put_mouse_event(qemu_put_mouse_event_opaque, |
489 |
dx, dy, dz, buttons_state); |
490 |
} |
491 |
} |
492 |
|
493 |
int kbd_mouse_is_absolute(void) |
494 |
{ |
495 |
return qemu_put_mouse_event_absolute;
|
496 |
} |
497 |
|
498 |
/* compute with 96 bit intermediate result: (a*b)/c */
|
499 |
uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c) |
500 |
{ |
501 |
union {
|
502 |
uint64_t ll; |
503 |
struct {
|
504 |
#ifdef WORDS_BIGENDIAN
|
505 |
uint32_t high, low; |
506 |
#else
|
507 |
uint32_t low, high; |
508 |
#endif
|
509 |
} l; |
510 |
} u, res; |
511 |
uint64_t rl, rh; |
512 |
|
513 |
u.ll = a; |
514 |
rl = (uint64_t)u.l.low * (uint64_t)b; |
515 |
rh = (uint64_t)u.l.high * (uint64_t)b; |
516 |
rh += (rl >> 32);
|
517 |
res.l.high = rh / c; |
518 |
res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c; |
519 |
return res.ll;
|
520 |
} |
521 |
|
522 |
/***********************************************************/
|
523 |
/* real time host monotonic timer */
|
524 |
|
525 |
#define QEMU_TIMER_BASE 1000000000LL |
526 |
|
527 |
#ifdef WIN32
|
528 |
|
529 |
static int64_t clock_freq;
|
530 |
|
531 |
static void init_get_clock(void) |
532 |
{ |
533 |
LARGE_INTEGER freq; |
534 |
int ret;
|
535 |
ret = QueryPerformanceFrequency(&freq); |
536 |
if (ret == 0) { |
537 |
fprintf(stderr, "Could not calibrate ticks\n");
|
538 |
exit(1);
|
539 |
} |
540 |
clock_freq = freq.QuadPart; |
541 |
} |
542 |
|
543 |
static int64_t get_clock(void) |
544 |
{ |
545 |
LARGE_INTEGER ti; |
546 |
QueryPerformanceCounter(&ti); |
547 |
return muldiv64(ti.QuadPart, QEMU_TIMER_BASE, clock_freq);
|
548 |
} |
549 |
|
550 |
#else
|
551 |
|
552 |
static int use_rt_clock; |
553 |
|
554 |
static void init_get_clock(void) |
555 |
{ |
556 |
use_rt_clock = 0;
|
557 |
#if defined(__linux__)
|
558 |
{ |
559 |
struct timespec ts;
|
560 |
if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0) { |
561 |
use_rt_clock = 1;
|
562 |
} |
563 |
} |
564 |
#endif
|
565 |
} |
566 |
|
567 |
static int64_t get_clock(void) |
568 |
{ |
569 |
#if defined(__linux__)
|
570 |
if (use_rt_clock) {
|
571 |
struct timespec ts;
|
572 |
clock_gettime(CLOCK_MONOTONIC, &ts); |
573 |
return ts.tv_sec * 1000000000LL + ts.tv_nsec; |
574 |
} else
|
575 |
#endif
|
576 |
{ |
577 |
/* XXX: using gettimeofday leads to problems if the date
|
578 |
changes, so it should be avoided. */
|
579 |
struct timeval tv;
|
580 |
gettimeofday(&tv, NULL);
|
581 |
return tv.tv_sec * 1000000000LL + (tv.tv_usec * 1000); |
582 |
} |
583 |
} |
584 |
|
585 |
#endif
|
586 |
|
587 |
/***********************************************************/
|
588 |
/* guest cycle counter */
|
589 |
|
590 |
static int64_t cpu_ticks_prev;
|
591 |
static int64_t cpu_ticks_offset;
|
592 |
static int64_t cpu_clock_offset;
|
593 |
static int cpu_ticks_enabled; |
594 |
|
595 |
/* return the host CPU cycle counter and handle stop/restart */
|
596 |
int64_t cpu_get_ticks(void)
|
597 |
{ |
598 |
if (!cpu_ticks_enabled) {
|
599 |
return cpu_ticks_offset;
|
600 |
} else {
|
601 |
int64_t ticks; |
602 |
ticks = cpu_get_real_ticks(); |
603 |
if (cpu_ticks_prev > ticks) {
|
604 |
/* Note: non increasing ticks may happen if the host uses
|
605 |
software suspend */
|
606 |
cpu_ticks_offset += cpu_ticks_prev - ticks; |
607 |
} |
608 |
cpu_ticks_prev = ticks; |
609 |
return ticks + cpu_ticks_offset;
|
610 |
} |
611 |
} |
612 |
|
613 |
/* return the host CPU monotonic timer and handle stop/restart */
|
614 |
static int64_t cpu_get_clock(void) |
615 |
{ |
616 |
int64_t ti; |
617 |
if (!cpu_ticks_enabled) {
|
618 |
return cpu_clock_offset;
|
619 |
} else {
|
620 |
ti = get_clock(); |
621 |
return ti + cpu_clock_offset;
|
622 |
} |
623 |
} |
624 |
|
625 |
/* enable cpu_get_ticks() */
|
626 |
void cpu_enable_ticks(void) |
627 |
{ |
628 |
if (!cpu_ticks_enabled) {
|
629 |
cpu_ticks_offset -= cpu_get_real_ticks(); |
630 |
cpu_clock_offset -= get_clock(); |
631 |
cpu_ticks_enabled = 1;
|
632 |
} |
633 |
} |
634 |
|
635 |
/* disable cpu_get_ticks() : the clock is stopped. You must not call
|
636 |
cpu_get_ticks() after that. */
|
637 |
void cpu_disable_ticks(void) |
638 |
{ |
639 |
if (cpu_ticks_enabled) {
|
640 |
cpu_ticks_offset = cpu_get_ticks(); |
641 |
cpu_clock_offset = cpu_get_clock(); |
642 |
cpu_ticks_enabled = 0;
|
643 |
} |
644 |
} |
645 |
|
646 |
/***********************************************************/
|
647 |
/* timers */
|
648 |
|
649 |
#define QEMU_TIMER_REALTIME 0 |
650 |
#define QEMU_TIMER_VIRTUAL 1 |
651 |
|
652 |
struct QEMUClock {
|
653 |
int type;
|
654 |
/* XXX: add frequency */
|
655 |
}; |
656 |
|
657 |
struct QEMUTimer {
|
658 |
QEMUClock *clock; |
659 |
int64_t expire_time; |
660 |
QEMUTimerCB *cb; |
661 |
void *opaque;
|
662 |
struct QEMUTimer *next;
|
663 |
}; |
664 |
|
665 |
QEMUClock *rt_clock; |
666 |
QEMUClock *vm_clock; |
667 |
|
668 |
static QEMUTimer *active_timers[2]; |
669 |
#ifdef _WIN32
|
670 |
static MMRESULT timerID;
|
671 |
static HANDLE host_alarm = NULL; |
672 |
static unsigned int period = 1; |
673 |
#else
|
674 |
/* frequency of the times() clock tick */
|
675 |
static int timer_freq; |
676 |
#endif
|
677 |
|
678 |
QEMUClock *qemu_new_clock(int type)
|
679 |
{ |
680 |
QEMUClock *clock; |
681 |
clock = qemu_mallocz(sizeof(QEMUClock));
|
682 |
if (!clock)
|
683 |
return NULL; |
684 |
clock->type = type; |
685 |
return clock;
|
686 |
} |
687 |
|
688 |
QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque)
|
689 |
{ |
690 |
QEMUTimer *ts; |
691 |
|
692 |
ts = qemu_mallocz(sizeof(QEMUTimer));
|
693 |
ts->clock = clock; |
694 |
ts->cb = cb; |
695 |
ts->opaque = opaque; |
696 |
return ts;
|
697 |
} |
698 |
|
699 |
void qemu_free_timer(QEMUTimer *ts)
|
700 |
{ |
701 |
qemu_free(ts); |
702 |
} |
703 |
|
704 |
/* stop a timer, but do not dealloc it */
|
705 |
void qemu_del_timer(QEMUTimer *ts)
|
706 |
{ |
707 |
QEMUTimer **pt, *t; |
708 |
|
709 |
/* NOTE: this code must be signal safe because
|
710 |
qemu_timer_expired() can be called from a signal. */
|
711 |
pt = &active_timers[ts->clock->type]; |
712 |
for(;;) {
|
713 |
t = *pt; |
714 |
if (!t)
|
715 |
break;
|
716 |
if (t == ts) {
|
717 |
*pt = t->next; |
718 |
break;
|
719 |
} |
720 |
pt = &t->next; |
721 |
} |
722 |
} |
723 |
|
724 |
/* modify the current timer so that it will be fired when current_time
|
725 |
>= expire_time. The corresponding callback will be called. */
|
726 |
void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time)
|
727 |
{ |
728 |
QEMUTimer **pt, *t; |
729 |
|
730 |
qemu_del_timer(ts); |
731 |
|
732 |
/* add the timer in the sorted list */
|
733 |
/* NOTE: this code must be signal safe because
|
734 |
qemu_timer_expired() can be called from a signal. */
|
735 |
pt = &active_timers[ts->clock->type]; |
736 |
for(;;) {
|
737 |
t = *pt; |
738 |
if (!t)
|
739 |
break;
|
740 |
if (t->expire_time > expire_time)
|
741 |
break;
|
742 |
pt = &t->next; |
743 |
} |
744 |
ts->expire_time = expire_time; |
745 |
ts->next = *pt; |
746 |
*pt = ts; |
747 |
} |
748 |
|
749 |
int qemu_timer_pending(QEMUTimer *ts)
|
750 |
{ |
751 |
QEMUTimer *t; |
752 |
for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) { |
753 |
if (t == ts)
|
754 |
return 1; |
755 |
} |
756 |
return 0; |
757 |
} |
758 |
|
759 |
static inline int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time) |
760 |
{ |
761 |
if (!timer_head)
|
762 |
return 0; |
763 |
return (timer_head->expire_time <= current_time);
|
764 |
} |
765 |
|
766 |
static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time) |
767 |
{ |
768 |
QEMUTimer *ts; |
769 |
|
770 |
for(;;) {
|
771 |
ts = *ptimer_head; |
772 |
if (!ts || ts->expire_time > current_time)
|
773 |
break;
|
774 |
/* remove timer from the list before calling the callback */
|
775 |
*ptimer_head = ts->next; |
776 |
ts->next = NULL;
|
777 |
|
778 |
/* run the callback (the timer list can be modified) */
|
779 |
ts->cb(ts->opaque); |
780 |
} |
781 |
} |
782 |
|
783 |
int64_t qemu_get_clock(QEMUClock *clock) |
784 |
{ |
785 |
switch(clock->type) {
|
786 |
case QEMU_TIMER_REALTIME:
|
787 |
return get_clock() / 1000000; |
788 |
default:
|
789 |
case QEMU_TIMER_VIRTUAL:
|
790 |
return cpu_get_clock();
|
791 |
} |
792 |
} |
793 |
|
794 |
static void init_timers(void) |
795 |
{ |
796 |
init_get_clock(); |
797 |
ticks_per_sec = QEMU_TIMER_BASE; |
798 |
rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME); |
799 |
vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL); |
800 |
} |
801 |
|
802 |
/* save a timer */
|
803 |
void qemu_put_timer(QEMUFile *f, QEMUTimer *ts)
|
804 |
{ |
805 |
uint64_t expire_time; |
806 |
|
807 |
if (qemu_timer_pending(ts)) {
|
808 |
expire_time = ts->expire_time; |
809 |
} else {
|
810 |
expire_time = -1;
|
811 |
} |
812 |
qemu_put_be64(f, expire_time); |
813 |
} |
814 |
|
815 |
void qemu_get_timer(QEMUFile *f, QEMUTimer *ts)
|
816 |
{ |
817 |
uint64_t expire_time; |
818 |
|
819 |
expire_time = qemu_get_be64(f); |
820 |
if (expire_time != -1) { |
821 |
qemu_mod_timer(ts, expire_time); |
822 |
} else {
|
823 |
qemu_del_timer(ts); |
824 |
} |
825 |
} |
826 |
|
827 |
static void timer_save(QEMUFile *f, void *opaque) |
828 |
{ |
829 |
if (cpu_ticks_enabled) {
|
830 |
hw_error("cannot save state if virtual timers are running");
|
831 |
} |
832 |
qemu_put_be64s(f, &cpu_ticks_offset); |
833 |
qemu_put_be64s(f, &ticks_per_sec); |
834 |
qemu_put_be64s(f, &cpu_clock_offset); |
835 |
} |
836 |
|
837 |
static int timer_load(QEMUFile *f, void *opaque, int version_id) |
838 |
{ |
839 |
if (version_id != 1 && version_id != 2) |
840 |
return -EINVAL;
|
841 |
if (cpu_ticks_enabled) {
|
842 |
return -EINVAL;
|
843 |
} |
844 |
qemu_get_be64s(f, &cpu_ticks_offset); |
845 |
qemu_get_be64s(f, &ticks_per_sec); |
846 |
if (version_id == 2) { |
847 |
qemu_get_be64s(f, &cpu_clock_offset); |
848 |
} |
849 |
return 0; |
850 |
} |
851 |
|
852 |
#ifdef _WIN32
|
853 |
void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg,
|
854 |
DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2) |
855 |
#else
|
856 |
static void host_alarm_handler(int host_signum) |
857 |
#endif
|
858 |
{ |
859 |
#if 0
|
860 |
#define DISP_FREQ 1000
|
861 |
{
|
862 |
static int64_t delta_min = INT64_MAX;
|
863 |
static int64_t delta_max, delta_cum, last_clock, delta, ti;
|
864 |
static int count;
|
865 |
ti = qemu_get_clock(vm_clock);
|
866 |
if (last_clock != 0) {
|
867 |
delta = ti - last_clock;
|
868 |
if (delta < delta_min)
|
869 |
delta_min = delta;
|
870 |
if (delta > delta_max)
|
871 |
delta_max = delta;
|
872 |
delta_cum += delta;
|
873 |
if (++count == DISP_FREQ) {
|
874 |
printf("timer: min=%" PRId64 " us max=%" PRId64 " us avg=%" PRId64 " us avg_freq=%0.3f Hz\n",
|
875 |
muldiv64(delta_min, 1000000, ticks_per_sec),
|
876 |
muldiv64(delta_max, 1000000, ticks_per_sec),
|
877 |
muldiv64(delta_cum, 1000000 / DISP_FREQ, ticks_per_sec),
|
878 |
(double)ticks_per_sec / ((double)delta_cum / DISP_FREQ));
|
879 |
count = 0;
|
880 |
delta_min = INT64_MAX;
|
881 |
delta_max = 0;
|
882 |
delta_cum = 0;
|
883 |
}
|
884 |
}
|
885 |
last_clock = ti;
|
886 |
}
|
887 |
#endif
|
888 |
if (qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL],
|
889 |
qemu_get_clock(vm_clock)) || |
890 |
qemu_timer_expired(active_timers[QEMU_TIMER_REALTIME], |
891 |
qemu_get_clock(rt_clock))) { |
892 |
#ifdef _WIN32
|
893 |
SetEvent(host_alarm); |
894 |
#endif
|
895 |
CPUState *env = cpu_single_env; |
896 |
if (env) {
|
897 |
/* stop the currently executing cpu because a timer occured */
|
898 |
cpu_interrupt(env, CPU_INTERRUPT_EXIT); |
899 |
#ifdef USE_KQEMU
|
900 |
if (env->kqemu_enabled) {
|
901 |
kqemu_cpu_interrupt(env); |
902 |
} |
903 |
#endif
|
904 |
} |
905 |
} |
906 |
} |
907 |
|
908 |
#ifndef _WIN32
|
909 |
|
910 |
#if defined(__linux__)
|
911 |
|
912 |
#define RTC_FREQ 1024 |
913 |
|
914 |
static int rtc_fd; |
915 |
|
916 |
static int start_rtc_timer(void) |
917 |
{ |
918 |
rtc_fd = open("/dev/rtc", O_RDONLY);
|
919 |
if (rtc_fd < 0) |
920 |
return -1; |
921 |
if (ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) { |
922 |
fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n"
|
923 |
"error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n"
|
924 |
"type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n");
|
925 |
goto fail;
|
926 |
} |
927 |
if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) { |
928 |
fail:
|
929 |
close(rtc_fd); |
930 |
return -1; |
931 |
} |
932 |
pit_min_timer_count = PIT_FREQ / RTC_FREQ; |
933 |
return 0; |
934 |
} |
935 |
|
936 |
#else
|
937 |
|
938 |
static int start_rtc_timer(void) |
939 |
{ |
940 |
return -1; |
941 |
} |
942 |
|
943 |
#endif /* !defined(__linux__) */ |
944 |
|
945 |
#endif /* !defined(_WIN32) */ |
946 |
|
947 |
static void init_timer_alarm(void) |
948 |
{ |
949 |
#ifdef _WIN32
|
950 |
{ |
951 |
int count=0; |
952 |
TIMECAPS tc; |
953 |
|
954 |
ZeroMemory(&tc, sizeof(TIMECAPS));
|
955 |
timeGetDevCaps(&tc, sizeof(TIMECAPS));
|
956 |
if (period < tc.wPeriodMin)
|
957 |
period = tc.wPeriodMin; |
958 |
timeBeginPeriod(period); |
959 |
timerID = timeSetEvent(1, // interval (ms) |
960 |
period, // resolution
|
961 |
host_alarm_handler, // function
|
962 |
(DWORD)&count, // user parameter
|
963 |
TIME_PERIODIC | TIME_CALLBACK_FUNCTION); |
964 |
if( !timerID ) {
|
965 |
perror("failed timer alarm");
|
966 |
exit(1);
|
967 |
} |
968 |
host_alarm = CreateEvent(NULL, FALSE, FALSE, NULL); |
969 |
if (!host_alarm) {
|
970 |
perror("failed CreateEvent");
|
971 |
exit(1);
|
972 |
} |
973 |
qemu_add_wait_object(host_alarm, NULL, NULL); |
974 |
} |
975 |
pit_min_timer_count = ((uint64_t)10000 * PIT_FREQ) / 1000000; |
976 |
#else
|
977 |
{ |
978 |
struct sigaction act;
|
979 |
struct itimerval itv;
|
980 |
|
981 |
/* get times() syscall frequency */
|
982 |
timer_freq = sysconf(_SC_CLK_TCK); |
983 |
|
984 |
/* timer signal */
|
985 |
sigfillset(&act.sa_mask); |
986 |
act.sa_flags = 0;
|
987 |
#if defined (TARGET_I386) && defined(USE_CODE_COPY)
|
988 |
act.sa_flags |= SA_ONSTACK; |
989 |
#endif
|
990 |
act.sa_handler = host_alarm_handler; |
991 |
sigaction(SIGALRM, &act, NULL);
|
992 |
|
993 |
itv.it_interval.tv_sec = 0;
|
994 |
itv.it_interval.tv_usec = 999; /* for i386 kernel 2.6 to get 1 ms */ |
995 |
itv.it_value.tv_sec = 0;
|
996 |
itv.it_value.tv_usec = 10 * 1000; |
997 |
setitimer(ITIMER_REAL, &itv, NULL);
|
998 |
/* we probe the tick duration of the kernel to inform the user if
|
999 |
the emulated kernel requested a too high timer frequency */
|
1000 |
getitimer(ITIMER_REAL, &itv); |
1001 |
|
1002 |
#if defined(__linux__)
|
1003 |
/* XXX: force /dev/rtc usage because even 2.6 kernels may not
|
1004 |
have timers with 1 ms resolution. The correct solution will
|
1005 |
be to use the POSIX real time timers available in recent
|
1006 |
2.6 kernels */
|
1007 |
if (itv.it_interval.tv_usec > 1000 || 1) { |
1008 |
/* try to use /dev/rtc to have a faster timer */
|
1009 |
if (start_rtc_timer() < 0) |
1010 |
goto use_itimer;
|
1011 |
/* disable itimer */
|
1012 |
itv.it_interval.tv_sec = 0;
|
1013 |
itv.it_interval.tv_usec = 0;
|
1014 |
itv.it_value.tv_sec = 0;
|
1015 |
itv.it_value.tv_usec = 0;
|
1016 |
setitimer(ITIMER_REAL, &itv, NULL);
|
1017 |
|
1018 |
/* use the RTC */
|
1019 |
sigaction(SIGIO, &act, NULL);
|
1020 |
fcntl(rtc_fd, F_SETFL, O_ASYNC); |
1021 |
fcntl(rtc_fd, F_SETOWN, getpid()); |
1022 |
} else
|
1023 |
#endif /* defined(__linux__) */ |
1024 |
{ |
1025 |
use_itimer:
|
1026 |
pit_min_timer_count = ((uint64_t)itv.it_interval.tv_usec * |
1027 |
PIT_FREQ) / 1000000;
|
1028 |
} |
1029 |
} |
1030 |
#endif
|
1031 |
} |
1032 |
|
1033 |
void quit_timers(void) |
1034 |
{ |
1035 |
#ifdef _WIN32
|
1036 |
timeKillEvent(timerID); |
1037 |
timeEndPeriod(period); |
1038 |
if (host_alarm) {
|
1039 |
CloseHandle(host_alarm); |
1040 |
host_alarm = NULL;
|
1041 |
} |
1042 |
#endif
|
1043 |
} |
1044 |
|
1045 |
/***********************************************************/
|
1046 |
/* character device */
|
1047 |
|
1048 |
int qemu_chr_write(CharDriverState *s, const uint8_t *buf, int len) |
1049 |
{ |
1050 |
return s->chr_write(s, buf, len);
|
1051 |
} |
1052 |
|
1053 |
int qemu_chr_ioctl(CharDriverState *s, int cmd, void *arg) |
1054 |
{ |
1055 |
if (!s->chr_ioctl)
|
1056 |
return -ENOTSUP;
|
1057 |
return s->chr_ioctl(s, cmd, arg);
|
1058 |
} |
1059 |
|
1060 |
void qemu_chr_printf(CharDriverState *s, const char *fmt, ...) |
1061 |
{ |
1062 |
char buf[4096]; |
1063 |
va_list ap; |
1064 |
va_start(ap, fmt); |
1065 |
vsnprintf(buf, sizeof(buf), fmt, ap);
|
1066 |
qemu_chr_write(s, buf, strlen(buf)); |
1067 |
va_end(ap); |
1068 |
} |
1069 |
|
1070 |
void qemu_chr_send_event(CharDriverState *s, int event) |
1071 |
{ |
1072 |
if (s->chr_send_event)
|
1073 |
s->chr_send_event(s, event); |
1074 |
} |
1075 |
|
1076 |
void qemu_chr_add_read_handler(CharDriverState *s,
|
1077 |
IOCanRWHandler *fd_can_read, |
1078 |
IOReadHandler *fd_read, void *opaque)
|
1079 |
{ |
1080 |
s->chr_add_read_handler(s, fd_can_read, fd_read, opaque); |
1081 |
} |
1082 |
|
1083 |
void qemu_chr_add_event_handler(CharDriverState *s, IOEventHandler *chr_event)
|
1084 |
{ |
1085 |
s->chr_event = chr_event; |
1086 |
} |
1087 |
|
1088 |
static int null_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
1089 |
{ |
1090 |
return len;
|
1091 |
} |
1092 |
|
1093 |
static void null_chr_add_read_handler(CharDriverState *chr, |
1094 |
IOCanRWHandler *fd_can_read, |
1095 |
IOReadHandler *fd_read, void *opaque)
|
1096 |
{ |
1097 |
} |
1098 |
|
1099 |
CharDriverState *qemu_chr_open_null(void)
|
1100 |
{ |
1101 |
CharDriverState *chr; |
1102 |
|
1103 |
chr = qemu_mallocz(sizeof(CharDriverState));
|
1104 |
if (!chr)
|
1105 |
return NULL; |
1106 |
chr->chr_write = null_chr_write; |
1107 |
chr->chr_add_read_handler = null_chr_add_read_handler; |
1108 |
return chr;
|
1109 |
} |
1110 |
|
1111 |
#ifdef _WIN32
|
1112 |
|
1113 |
static void socket_cleanup(void) |
1114 |
{ |
1115 |
WSACleanup(); |
1116 |
} |
1117 |
|
1118 |
static int socket_init(void) |
1119 |
{ |
1120 |
WSADATA Data; |
1121 |
int ret, err;
|
1122 |
|
1123 |
ret = WSAStartup(MAKEWORD(2,2), &Data); |
1124 |
if (ret != 0) { |
1125 |
err = WSAGetLastError(); |
1126 |
fprintf(stderr, "WSAStartup: %d\n", err);
|
1127 |
return -1; |
1128 |
} |
1129 |
atexit(socket_cleanup); |
1130 |
return 0; |
1131 |
} |
1132 |
|
1133 |
static int send_all(int fd, const uint8_t *buf, int len1) |
1134 |
{ |
1135 |
int ret, len;
|
1136 |
|
1137 |
len = len1; |
1138 |
while (len > 0) { |
1139 |
ret = send(fd, buf, len, 0);
|
1140 |
if (ret < 0) { |
1141 |
int errno;
|
1142 |
errno = WSAGetLastError(); |
1143 |
if (errno != WSAEWOULDBLOCK) {
|
1144 |
return -1; |
1145 |
} |
1146 |
} else if (ret == 0) { |
1147 |
break;
|
1148 |
} else {
|
1149 |
buf += ret; |
1150 |
len -= ret; |
1151 |
} |
1152 |
} |
1153 |
return len1 - len;
|
1154 |
} |
1155 |
|
1156 |
void socket_set_nonblock(int fd) |
1157 |
{ |
1158 |
unsigned long opt = 1; |
1159 |
ioctlsocket(fd, FIONBIO, &opt); |
1160 |
} |
1161 |
|
1162 |
#else
|
1163 |
|
1164 |
static int unix_write(int fd, const uint8_t *buf, int len1) |
1165 |
{ |
1166 |
int ret, len;
|
1167 |
|
1168 |
len = len1; |
1169 |
while (len > 0) { |
1170 |
ret = write(fd, buf, len); |
1171 |
if (ret < 0) { |
1172 |
if (errno != EINTR && errno != EAGAIN)
|
1173 |
return -1; |
1174 |
} else if (ret == 0) { |
1175 |
break;
|
1176 |
} else {
|
1177 |
buf += ret; |
1178 |
len -= ret; |
1179 |
} |
1180 |
} |
1181 |
return len1 - len;
|
1182 |
} |
1183 |
|
1184 |
static inline int send_all(int fd, const uint8_t *buf, int len1) |
1185 |
{ |
1186 |
return unix_write(fd, buf, len1);
|
1187 |
} |
1188 |
|
1189 |
void socket_set_nonblock(int fd) |
1190 |
{ |
1191 |
fcntl(fd, F_SETFL, O_NONBLOCK); |
1192 |
} |
1193 |
#endif /* !_WIN32 */ |
1194 |
|
1195 |
#ifndef _WIN32
|
1196 |
|
1197 |
typedef struct { |
1198 |
int fd_in, fd_out;
|
1199 |
IOCanRWHandler *fd_can_read; |
1200 |
IOReadHandler *fd_read; |
1201 |
void *fd_opaque;
|
1202 |
int max_size;
|
1203 |
} FDCharDriver; |
1204 |
|
1205 |
#define STDIO_MAX_CLIENTS 2 |
1206 |
|
1207 |
static int stdio_nb_clients; |
1208 |
static CharDriverState *stdio_clients[STDIO_MAX_CLIENTS];
|
1209 |
|
1210 |
static int fd_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
1211 |
{ |
1212 |
FDCharDriver *s = chr->opaque; |
1213 |
return unix_write(s->fd_out, buf, len);
|
1214 |
} |
1215 |
|
1216 |
static int fd_chr_read_poll(void *opaque) |
1217 |
{ |
1218 |
CharDriverState *chr = opaque; |
1219 |
FDCharDriver *s = chr->opaque; |
1220 |
|
1221 |
s->max_size = s->fd_can_read(s->fd_opaque); |
1222 |
return s->max_size;
|
1223 |
} |
1224 |
|
1225 |
static void fd_chr_read(void *opaque) |
1226 |
{ |
1227 |
CharDriverState *chr = opaque; |
1228 |
FDCharDriver *s = chr->opaque; |
1229 |
int size, len;
|
1230 |
uint8_t buf[1024];
|
1231 |
|
1232 |
len = sizeof(buf);
|
1233 |
if (len > s->max_size)
|
1234 |
len = s->max_size; |
1235 |
if (len == 0) |
1236 |
return;
|
1237 |
size = read(s->fd_in, buf, len); |
1238 |
if (size == 0) { |
1239 |
/* FD has been closed. Remove it from the active list. */
|
1240 |
qemu_set_fd_handler2(s->fd_in, NULL, NULL, NULL, NULL); |
1241 |
return;
|
1242 |
} |
1243 |
if (size > 0) { |
1244 |
s->fd_read(s->fd_opaque, buf, size); |
1245 |
} |
1246 |
} |
1247 |
|
1248 |
static void fd_chr_add_read_handler(CharDriverState *chr, |
1249 |
IOCanRWHandler *fd_can_read, |
1250 |
IOReadHandler *fd_read, void *opaque)
|
1251 |
{ |
1252 |
FDCharDriver *s = chr->opaque; |
1253 |
|
1254 |
if (s->fd_in >= 0) { |
1255 |
s->fd_can_read = fd_can_read; |
1256 |
s->fd_read = fd_read; |
1257 |
s->fd_opaque = opaque; |
1258 |
if (nographic && s->fd_in == 0) { |
1259 |
} else {
|
1260 |
qemu_set_fd_handler2(s->fd_in, fd_chr_read_poll, |
1261 |
fd_chr_read, NULL, chr);
|
1262 |
} |
1263 |
} |
1264 |
} |
1265 |
|
1266 |
/* open a character device to a unix fd */
|
1267 |
CharDriverState *qemu_chr_open_fd(int fd_in, int fd_out) |
1268 |
{ |
1269 |
CharDriverState *chr; |
1270 |
FDCharDriver *s; |
1271 |
|
1272 |
chr = qemu_mallocz(sizeof(CharDriverState));
|
1273 |
if (!chr)
|
1274 |
return NULL; |
1275 |
s = qemu_mallocz(sizeof(FDCharDriver));
|
1276 |
if (!s) {
|
1277 |
free(chr); |
1278 |
return NULL; |
1279 |
} |
1280 |
s->fd_in = fd_in; |
1281 |
s->fd_out = fd_out; |
1282 |
chr->opaque = s; |
1283 |
chr->chr_write = fd_chr_write; |
1284 |
chr->chr_add_read_handler = fd_chr_add_read_handler; |
1285 |
return chr;
|
1286 |
} |
1287 |
|
1288 |
CharDriverState *qemu_chr_open_file_out(const char *file_out) |
1289 |
{ |
1290 |
int fd_out;
|
1291 |
|
1292 |
fd_out = open(file_out, O_WRONLY | O_TRUNC | O_CREAT | O_BINARY, 0666);
|
1293 |
if (fd_out < 0) |
1294 |
return NULL; |
1295 |
return qemu_chr_open_fd(-1, fd_out); |
1296 |
} |
1297 |
|
1298 |
CharDriverState *qemu_chr_open_pipe(const char *filename) |
1299 |
{ |
1300 |
int fd;
|
1301 |
|
1302 |
fd = open(filename, O_RDWR | O_BINARY); |
1303 |
if (fd < 0) |
1304 |
return NULL; |
1305 |
return qemu_chr_open_fd(fd, fd);
|
1306 |
} |
1307 |
|
1308 |
|
1309 |
/* for STDIO, we handle the case where several clients use it
|
1310 |
(nographic mode) */
|
1311 |
|
1312 |
#define TERM_ESCAPE 0x01 /* ctrl-a is used for escape */ |
1313 |
|
1314 |
#define TERM_FIFO_MAX_SIZE 1 |
1315 |
|
1316 |
static int term_got_escape, client_index; |
1317 |
static uint8_t term_fifo[TERM_FIFO_MAX_SIZE];
|
1318 |
static int term_fifo_size; |
1319 |
static int term_timestamps; |
1320 |
static int64_t term_timestamps_start;
|
1321 |
|
1322 |
void term_print_help(void) |
1323 |
{ |
1324 |
printf("\n"
|
1325 |
"C-a h print this help\n"
|
1326 |
"C-a x exit emulator\n"
|
1327 |
"C-a s save disk data back to file (if -snapshot)\n"
|
1328 |
"C-a b send break (magic sysrq)\n"
|
1329 |
"C-a t toggle console timestamps\n"
|
1330 |
"C-a c switch between console and monitor\n"
|
1331 |
"C-a C-a send C-a\n"
|
1332 |
); |
1333 |
} |
1334 |
|
1335 |
/* called when a char is received */
|
1336 |
static void stdio_received_byte(int ch) |
1337 |
{ |
1338 |
if (term_got_escape) {
|
1339 |
term_got_escape = 0;
|
1340 |
switch(ch) {
|
1341 |
case 'h': |
1342 |
term_print_help(); |
1343 |
break;
|
1344 |
case 'x': |
1345 |
exit(0);
|
1346 |
break;
|
1347 |
case 's': |
1348 |
{ |
1349 |
int i;
|
1350 |
for (i = 0; i < MAX_DISKS; i++) { |
1351 |
if (bs_table[i])
|
1352 |
bdrv_commit(bs_table[i]); |
1353 |
} |
1354 |
} |
1355 |
break;
|
1356 |
case 'b': |
1357 |
if (client_index < stdio_nb_clients) {
|
1358 |
CharDriverState *chr; |
1359 |
FDCharDriver *s; |
1360 |
|
1361 |
chr = stdio_clients[client_index]; |
1362 |
s = chr->opaque; |
1363 |
chr->chr_event(s->fd_opaque, CHR_EVENT_BREAK); |
1364 |
} |
1365 |
break;
|
1366 |
case 'c': |
1367 |
client_index++; |
1368 |
if (client_index >= stdio_nb_clients)
|
1369 |
client_index = 0;
|
1370 |
if (client_index == 0) { |
1371 |
/* send a new line in the monitor to get the prompt */
|
1372 |
ch = '\r';
|
1373 |
goto send_char;
|
1374 |
} |
1375 |
break;
|
1376 |
case 't': |
1377 |
term_timestamps = !term_timestamps; |
1378 |
term_timestamps_start = -1;
|
1379 |
break;
|
1380 |
case TERM_ESCAPE:
|
1381 |
goto send_char;
|
1382 |
} |
1383 |
} else if (ch == TERM_ESCAPE) { |
1384 |
term_got_escape = 1;
|
1385 |
} else {
|
1386 |
send_char:
|
1387 |
if (client_index < stdio_nb_clients) {
|
1388 |
uint8_t buf[1];
|
1389 |
CharDriverState *chr; |
1390 |
FDCharDriver *s; |
1391 |
|
1392 |
chr = stdio_clients[client_index]; |
1393 |
s = chr->opaque; |
1394 |
if (s->fd_can_read(s->fd_opaque) > 0) { |
1395 |
buf[0] = ch;
|
1396 |
s->fd_read(s->fd_opaque, buf, 1);
|
1397 |
} else if (term_fifo_size == 0) { |
1398 |
term_fifo[term_fifo_size++] = ch; |
1399 |
} |
1400 |
} |
1401 |
} |
1402 |
} |
1403 |
|
1404 |
static int stdio_read_poll(void *opaque) |
1405 |
{ |
1406 |
CharDriverState *chr; |
1407 |
FDCharDriver *s; |
1408 |
|
1409 |
if (client_index < stdio_nb_clients) {
|
1410 |
chr = stdio_clients[client_index]; |
1411 |
s = chr->opaque; |
1412 |
/* try to flush the queue if needed */
|
1413 |
if (term_fifo_size != 0 && s->fd_can_read(s->fd_opaque) > 0) { |
1414 |
s->fd_read(s->fd_opaque, term_fifo, 1);
|
1415 |
term_fifo_size = 0;
|
1416 |
} |
1417 |
/* see if we can absorb more chars */
|
1418 |
if (term_fifo_size == 0) |
1419 |
return 1; |
1420 |
else
|
1421 |
return 0; |
1422 |
} else {
|
1423 |
return 1; |
1424 |
} |
1425 |
} |
1426 |
|
1427 |
static void stdio_read(void *opaque) |
1428 |
{ |
1429 |
int size;
|
1430 |
uint8_t buf[1];
|
1431 |
|
1432 |
size = read(0, buf, 1); |
1433 |
if (size == 0) { |
1434 |
/* stdin has been closed. Remove it from the active list. */
|
1435 |
qemu_set_fd_handler2(0, NULL, NULL, NULL, NULL); |
1436 |
return;
|
1437 |
} |
1438 |
if (size > 0) |
1439 |
stdio_received_byte(buf[0]);
|
1440 |
} |
1441 |
|
1442 |
static int stdio_write(CharDriverState *chr, const uint8_t *buf, int len) |
1443 |
{ |
1444 |
FDCharDriver *s = chr->opaque; |
1445 |
if (!term_timestamps) {
|
1446 |
return unix_write(s->fd_out, buf, len);
|
1447 |
} else {
|
1448 |
int i;
|
1449 |
char buf1[64]; |
1450 |
|
1451 |
for(i = 0; i < len; i++) { |
1452 |
unix_write(s->fd_out, buf + i, 1);
|
1453 |
if (buf[i] == '\n') { |
1454 |
int64_t ti; |
1455 |
int secs;
|
1456 |
|
1457 |
ti = get_clock(); |
1458 |
if (term_timestamps_start == -1) |
1459 |
term_timestamps_start = ti; |
1460 |
ti -= term_timestamps_start; |
1461 |
secs = ti / 1000000000;
|
1462 |
snprintf(buf1, sizeof(buf1),
|
1463 |
"[%02d:%02d:%02d.%03d] ",
|
1464 |
secs / 3600,
|
1465 |
(secs / 60) % 60, |
1466 |
secs % 60,
|
1467 |
(int)((ti / 1000000) % 1000)); |
1468 |
unix_write(s->fd_out, buf1, strlen(buf1)); |
1469 |
} |
1470 |
} |
1471 |
return len;
|
1472 |
} |
1473 |
} |
1474 |
|
1475 |
/* init terminal so that we can grab keys */
|
1476 |
static struct termios oldtty; |
1477 |
static int old_fd0_flags; |
1478 |
|
1479 |
static void term_exit(void) |
1480 |
{ |
1481 |
tcsetattr (0, TCSANOW, &oldtty);
|
1482 |
fcntl(0, F_SETFL, old_fd0_flags);
|
1483 |
} |
1484 |
|
1485 |
static void term_init(void) |
1486 |
{ |
1487 |
struct termios tty;
|
1488 |
|
1489 |
tcgetattr (0, &tty);
|
1490 |
oldtty = tty; |
1491 |
old_fd0_flags = fcntl(0, F_GETFL);
|
1492 |
|
1493 |
tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP |
1494 |
|INLCR|IGNCR|ICRNL|IXON); |
1495 |
tty.c_oflag |= OPOST; |
1496 |
tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN); |
1497 |
/* if graphical mode, we allow Ctrl-C handling */
|
1498 |
if (nographic)
|
1499 |
tty.c_lflag &= ~ISIG; |
1500 |
tty.c_cflag &= ~(CSIZE|PARENB); |
1501 |
tty.c_cflag |= CS8; |
1502 |
tty.c_cc[VMIN] = 1;
|
1503 |
tty.c_cc[VTIME] = 0;
|
1504 |
|
1505 |
tcsetattr (0, TCSANOW, &tty);
|
1506 |
|
1507 |
atexit(term_exit); |
1508 |
|
1509 |
fcntl(0, F_SETFL, O_NONBLOCK);
|
1510 |
} |
1511 |
|
1512 |
CharDriverState *qemu_chr_open_stdio(void)
|
1513 |
{ |
1514 |
CharDriverState *chr; |
1515 |
|
1516 |
if (nographic) {
|
1517 |
if (stdio_nb_clients >= STDIO_MAX_CLIENTS)
|
1518 |
return NULL; |
1519 |
chr = qemu_chr_open_fd(0, 1); |
1520 |
chr->chr_write = stdio_write; |
1521 |
if (stdio_nb_clients == 0) |
1522 |
qemu_set_fd_handler2(0, stdio_read_poll, stdio_read, NULL, NULL); |
1523 |
client_index = stdio_nb_clients; |
1524 |
} else {
|
1525 |
if (stdio_nb_clients != 0) |
1526 |
return NULL; |
1527 |
chr = qemu_chr_open_fd(0, 1); |
1528 |
} |
1529 |
stdio_clients[stdio_nb_clients++] = chr; |
1530 |
if (stdio_nb_clients == 1) { |
1531 |
/* set the terminal in raw mode */
|
1532 |
term_init(); |
1533 |
} |
1534 |
return chr;
|
1535 |
} |
1536 |
|
1537 |
#if defined(__linux__)
|
1538 |
CharDriverState *qemu_chr_open_pty(void)
|
1539 |
{ |
1540 |
struct termios tty;
|
1541 |
char slave_name[1024]; |
1542 |
int master_fd, slave_fd;
|
1543 |
|
1544 |
/* Not satisfying */
|
1545 |
if (openpty(&master_fd, &slave_fd, slave_name, NULL, NULL) < 0) { |
1546 |
return NULL; |
1547 |
} |
1548 |
|
1549 |
/* Disabling local echo and line-buffered output */
|
1550 |
tcgetattr (master_fd, &tty); |
1551 |
tty.c_lflag &= ~(ECHO|ICANON|ISIG); |
1552 |
tty.c_cc[VMIN] = 1;
|
1553 |
tty.c_cc[VTIME] = 0;
|
1554 |
tcsetattr (master_fd, TCSAFLUSH, &tty); |
1555 |
|
1556 |
fprintf(stderr, "char device redirected to %s\n", slave_name);
|
1557 |
return qemu_chr_open_fd(master_fd, master_fd);
|
1558 |
} |
1559 |
|
1560 |
static void tty_serial_init(int fd, int speed, |
1561 |
int parity, int data_bits, int stop_bits) |
1562 |
{ |
1563 |
struct termios tty;
|
1564 |
speed_t spd; |
1565 |
|
1566 |
#if 0
|
1567 |
printf("tty_serial_init: speed=%d parity=%c data=%d stop=%d\n",
|
1568 |
speed, parity, data_bits, stop_bits);
|
1569 |
#endif
|
1570 |
tcgetattr (fd, &tty); |
1571 |
|
1572 |
switch(speed) {
|
1573 |
case 50: |
1574 |
spd = B50; |
1575 |
break;
|
1576 |
case 75: |
1577 |
spd = B75; |
1578 |
break;
|
1579 |
case 300: |
1580 |
spd = B300; |
1581 |
break;
|
1582 |
case 600: |
1583 |
spd = B600; |
1584 |
break;
|
1585 |
case 1200: |
1586 |
spd = B1200; |
1587 |
break;
|
1588 |
case 2400: |
1589 |
spd = B2400; |
1590 |
break;
|
1591 |
case 4800: |
1592 |
spd = B4800; |
1593 |
break;
|
1594 |
case 9600: |
1595 |
spd = B9600; |
1596 |
break;
|
1597 |
case 19200: |
1598 |
spd = B19200; |
1599 |
break;
|
1600 |
case 38400: |
1601 |
spd = B38400; |
1602 |
break;
|
1603 |
case 57600: |
1604 |
spd = B57600; |
1605 |
break;
|
1606 |
default:
|
1607 |
case 115200: |
1608 |
spd = B115200; |
1609 |
break;
|
1610 |
} |
1611 |
|
1612 |
cfsetispeed(&tty, spd); |
1613 |
cfsetospeed(&tty, spd); |
1614 |
|
1615 |
tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP |
1616 |
|INLCR|IGNCR|ICRNL|IXON); |
1617 |
tty.c_oflag |= OPOST; |
1618 |
tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN|ISIG); |
1619 |
tty.c_cflag &= ~(CSIZE|PARENB|PARODD|CRTSCTS|CSTOPB); |
1620 |
switch(data_bits) {
|
1621 |
default:
|
1622 |
case 8: |
1623 |
tty.c_cflag |= CS8; |
1624 |
break;
|
1625 |
case 7: |
1626 |
tty.c_cflag |= CS7; |
1627 |
break;
|
1628 |
case 6: |
1629 |
tty.c_cflag |= CS6; |
1630 |
break;
|
1631 |
case 5: |
1632 |
tty.c_cflag |= CS5; |
1633 |
break;
|
1634 |
} |
1635 |
switch(parity) {
|
1636 |
default:
|
1637 |
case 'N': |
1638 |
break;
|
1639 |
case 'E': |
1640 |
tty.c_cflag |= PARENB; |
1641 |
break;
|
1642 |
case 'O': |
1643 |
tty.c_cflag |= PARENB | PARODD; |
1644 |
break;
|
1645 |
} |
1646 |
if (stop_bits == 2) |
1647 |
tty.c_cflag |= CSTOPB; |
1648 |
|
1649 |
tcsetattr (fd, TCSANOW, &tty); |
1650 |
} |
1651 |
|
1652 |
static int tty_serial_ioctl(CharDriverState *chr, int cmd, void *arg) |
1653 |
{ |
1654 |
FDCharDriver *s = chr->opaque; |
1655 |
|
1656 |
switch(cmd) {
|
1657 |
case CHR_IOCTL_SERIAL_SET_PARAMS:
|
1658 |
{ |
1659 |
QEMUSerialSetParams *ssp = arg; |
1660 |
tty_serial_init(s->fd_in, ssp->speed, ssp->parity, |
1661 |
ssp->data_bits, ssp->stop_bits); |
1662 |
} |
1663 |
break;
|
1664 |
case CHR_IOCTL_SERIAL_SET_BREAK:
|
1665 |
{ |
1666 |
int enable = *(int *)arg; |
1667 |
if (enable)
|
1668 |
tcsendbreak(s->fd_in, 1);
|
1669 |
} |
1670 |
break;
|
1671 |
default:
|
1672 |
return -ENOTSUP;
|
1673 |
} |
1674 |
return 0; |
1675 |
} |
1676 |
|
1677 |
CharDriverState *qemu_chr_open_tty(const char *filename) |
1678 |
{ |
1679 |
CharDriverState *chr; |
1680 |
int fd;
|
1681 |
|
1682 |
fd = open(filename, O_RDWR | O_NONBLOCK); |
1683 |
if (fd < 0) |
1684 |
return NULL; |
1685 |
fcntl(fd, F_SETFL, O_NONBLOCK); |
1686 |
tty_serial_init(fd, 115200, 'N', 8, 1); |
1687 |
chr = qemu_chr_open_fd(fd, fd); |
1688 |
if (!chr)
|
1689 |
return NULL; |
1690 |
chr->chr_ioctl = tty_serial_ioctl; |
1691 |
return chr;
|
1692 |
} |
1693 |
|
1694 |
static int pp_ioctl(CharDriverState *chr, int cmd, void *arg) |
1695 |
{ |
1696 |
int fd = (int)chr->opaque; |
1697 |
uint8_t b; |
1698 |
|
1699 |
switch(cmd) {
|
1700 |
case CHR_IOCTL_PP_READ_DATA:
|
1701 |
if (ioctl(fd, PPRDATA, &b) < 0) |
1702 |
return -ENOTSUP;
|
1703 |
*(uint8_t *)arg = b; |
1704 |
break;
|
1705 |
case CHR_IOCTL_PP_WRITE_DATA:
|
1706 |
b = *(uint8_t *)arg; |
1707 |
if (ioctl(fd, PPWDATA, &b) < 0) |
1708 |
return -ENOTSUP;
|
1709 |
break;
|
1710 |
case CHR_IOCTL_PP_READ_CONTROL:
|
1711 |
if (ioctl(fd, PPRCONTROL, &b) < 0) |
1712 |
return -ENOTSUP;
|
1713 |
*(uint8_t *)arg = b; |
1714 |
break;
|
1715 |
case CHR_IOCTL_PP_WRITE_CONTROL:
|
1716 |
b = *(uint8_t *)arg; |
1717 |
if (ioctl(fd, PPWCONTROL, &b) < 0) |
1718 |
return -ENOTSUP;
|
1719 |
break;
|
1720 |
case CHR_IOCTL_PP_READ_STATUS:
|
1721 |
if (ioctl(fd, PPRSTATUS, &b) < 0) |
1722 |
return -ENOTSUP;
|
1723 |
*(uint8_t *)arg = b; |
1724 |
break;
|
1725 |
default:
|
1726 |
return -ENOTSUP;
|
1727 |
} |
1728 |
return 0; |
1729 |
} |
1730 |
|
1731 |
CharDriverState *qemu_chr_open_pp(const char *filename) |
1732 |
{ |
1733 |
CharDriverState *chr; |
1734 |
int fd;
|
1735 |
|
1736 |
fd = open(filename, O_RDWR); |
1737 |
if (fd < 0) |
1738 |
return NULL; |
1739 |
|
1740 |
if (ioctl(fd, PPCLAIM) < 0) { |
1741 |
close(fd); |
1742 |
return NULL; |
1743 |
} |
1744 |
|
1745 |
chr = qemu_mallocz(sizeof(CharDriverState));
|
1746 |
if (!chr) {
|
1747 |
close(fd); |
1748 |
return NULL; |
1749 |
} |
1750 |
chr->opaque = (void *)fd;
|
1751 |
chr->chr_write = null_chr_write; |
1752 |
chr->chr_add_read_handler = null_chr_add_read_handler; |
1753 |
chr->chr_ioctl = pp_ioctl; |
1754 |
return chr;
|
1755 |
} |
1756 |
|
1757 |
#else
|
1758 |
CharDriverState *qemu_chr_open_pty(void)
|
1759 |
{ |
1760 |
return NULL; |
1761 |
} |
1762 |
#endif
|
1763 |
|
1764 |
#endif /* !defined(_WIN32) */ |
1765 |
|
1766 |
#ifdef _WIN32
|
1767 |
typedef struct { |
1768 |
IOCanRWHandler *fd_can_read; |
1769 |
IOReadHandler *fd_read; |
1770 |
void *win_opaque;
|
1771 |
int max_size;
|
1772 |
HANDLE hcom, hrecv, hsend; |
1773 |
OVERLAPPED orecv, osend; |
1774 |
BOOL fpipe; |
1775 |
DWORD len; |
1776 |
} WinCharState; |
1777 |
|
1778 |
#define NSENDBUF 2048 |
1779 |
#define NRECVBUF 2048 |
1780 |
#define MAXCONNECT 1 |
1781 |
#define NTIMEOUT 5000 |
1782 |
|
1783 |
static int win_chr_poll(void *opaque); |
1784 |
static int win_chr_pipe_poll(void *opaque); |
1785 |
|
1786 |
static void win_chr_close2(WinCharState *s) |
1787 |
{ |
1788 |
if (s->hsend) {
|
1789 |
CloseHandle(s->hsend); |
1790 |
s->hsend = NULL;
|
1791 |
} |
1792 |
if (s->hrecv) {
|
1793 |
CloseHandle(s->hrecv); |
1794 |
s->hrecv = NULL;
|
1795 |
} |
1796 |
if (s->hcom) {
|
1797 |
CloseHandle(s->hcom); |
1798 |
s->hcom = NULL;
|
1799 |
} |
1800 |
if (s->fpipe)
|
1801 |
qemu_del_polling_cb(win_chr_pipe_poll, s); |
1802 |
else
|
1803 |
qemu_del_polling_cb(win_chr_poll, s); |
1804 |
} |
1805 |
|
1806 |
static void win_chr_close(CharDriverState *chr) |
1807 |
{ |
1808 |
WinCharState *s = chr->opaque; |
1809 |
win_chr_close2(s); |
1810 |
} |
1811 |
|
1812 |
static int win_chr_init(WinCharState *s, const char *filename) |
1813 |
{ |
1814 |
COMMCONFIG comcfg; |
1815 |
COMMTIMEOUTS cto = { 0, 0, 0, 0, 0}; |
1816 |
COMSTAT comstat; |
1817 |
DWORD size; |
1818 |
DWORD err; |
1819 |
|
1820 |
s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL); |
1821 |
if (!s->hsend) {
|
1822 |
fprintf(stderr, "Failed CreateEvent\n");
|
1823 |
goto fail;
|
1824 |
} |
1825 |
s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL); |
1826 |
if (!s->hrecv) {
|
1827 |
fprintf(stderr, "Failed CreateEvent\n");
|
1828 |
goto fail;
|
1829 |
} |
1830 |
|
1831 |
s->hcom = CreateFile(filename, GENERIC_READ|GENERIC_WRITE, 0, NULL, |
1832 |
OPEN_EXISTING, FILE_FLAG_OVERLAPPED, 0);
|
1833 |
if (s->hcom == INVALID_HANDLE_VALUE) {
|
1834 |
fprintf(stderr, "Failed CreateFile (%lu)\n", GetLastError());
|
1835 |
s->hcom = NULL;
|
1836 |
goto fail;
|
1837 |
} |
1838 |
|
1839 |
if (!SetupComm(s->hcom, NRECVBUF, NSENDBUF)) {
|
1840 |
fprintf(stderr, "Failed SetupComm\n");
|
1841 |
goto fail;
|
1842 |
} |
1843 |
|
1844 |
ZeroMemory(&comcfg, sizeof(COMMCONFIG));
|
1845 |
size = sizeof(COMMCONFIG);
|
1846 |
GetDefaultCommConfig(filename, &comcfg, &size); |
1847 |
comcfg.dcb.DCBlength = sizeof(DCB);
|
1848 |
CommConfigDialog(filename, NULL, &comcfg);
|
1849 |
|
1850 |
if (!SetCommState(s->hcom, &comcfg.dcb)) {
|
1851 |
fprintf(stderr, "Failed SetCommState\n");
|
1852 |
goto fail;
|
1853 |
} |
1854 |
|
1855 |
if (!SetCommMask(s->hcom, EV_ERR)) {
|
1856 |
fprintf(stderr, "Failed SetCommMask\n");
|
1857 |
goto fail;
|
1858 |
} |
1859 |
|
1860 |
cto.ReadIntervalTimeout = MAXDWORD; |
1861 |
if (!SetCommTimeouts(s->hcom, &cto)) {
|
1862 |
fprintf(stderr, "Failed SetCommTimeouts\n");
|
1863 |
goto fail;
|
1864 |
} |
1865 |
|
1866 |
if (!ClearCommError(s->hcom, &err, &comstat)) {
|
1867 |
fprintf(stderr, "Failed ClearCommError\n");
|
1868 |
goto fail;
|
1869 |
} |
1870 |
qemu_add_polling_cb(win_chr_poll, s); |
1871 |
return 0; |
1872 |
|
1873 |
fail:
|
1874 |
win_chr_close2(s); |
1875 |
return -1; |
1876 |
} |
1877 |
|
1878 |
static int win_chr_write(CharDriverState *chr, const uint8_t *buf, int len1) |
1879 |
{ |
1880 |
WinCharState *s = chr->opaque; |
1881 |
DWORD len, ret, size, err; |
1882 |
|
1883 |
len = len1; |
1884 |
ZeroMemory(&s->osend, sizeof(s->osend));
|
1885 |
s->osend.hEvent = s->hsend; |
1886 |
while (len > 0) { |
1887 |
if (s->hsend)
|
1888 |
ret = WriteFile(s->hcom, buf, len, &size, &s->osend); |
1889 |
else
|
1890 |
ret = WriteFile(s->hcom, buf, len, &size, NULL);
|
1891 |
if (!ret) {
|
1892 |
err = GetLastError(); |
1893 |
if (err == ERROR_IO_PENDING) {
|
1894 |
ret = GetOverlappedResult(s->hcom, &s->osend, &size, TRUE); |
1895 |
if (ret) {
|
1896 |
buf += size; |
1897 |
len -= size; |
1898 |
} else {
|
1899 |
break;
|
1900 |
} |
1901 |
} else {
|
1902 |
break;
|
1903 |
} |
1904 |
} else {
|
1905 |
buf += size; |
1906 |
len -= size; |
1907 |
} |
1908 |
} |
1909 |
return len1 - len;
|
1910 |
} |
1911 |
|
1912 |
static int win_chr_read_poll(WinCharState *s) |
1913 |
{ |
1914 |
s->max_size = s->fd_can_read(s->win_opaque); |
1915 |
return s->max_size;
|
1916 |
} |
1917 |
|
1918 |
static void win_chr_readfile(WinCharState *s) |
1919 |
{ |
1920 |
int ret, err;
|
1921 |
uint8_t buf[1024];
|
1922 |
DWORD size; |
1923 |
|
1924 |
ZeroMemory(&s->orecv, sizeof(s->orecv));
|
1925 |
s->orecv.hEvent = s->hrecv; |
1926 |
ret = ReadFile(s->hcom, buf, s->len, &size, &s->orecv); |
1927 |
if (!ret) {
|
1928 |
err = GetLastError(); |
1929 |
if (err == ERROR_IO_PENDING) {
|
1930 |
ret = GetOverlappedResult(s->hcom, &s->orecv, &size, TRUE); |
1931 |
} |
1932 |
} |
1933 |
|
1934 |
if (size > 0) { |
1935 |
s->fd_read(s->win_opaque, buf, size); |
1936 |
} |
1937 |
} |
1938 |
|
1939 |
static void win_chr_read(WinCharState *s) |
1940 |
{ |
1941 |
if (s->len > s->max_size)
|
1942 |
s->len = s->max_size; |
1943 |
if (s->len == 0) |
1944 |
return;
|
1945 |
|
1946 |
win_chr_readfile(s); |
1947 |
} |
1948 |
|
1949 |
static int win_chr_poll(void *opaque) |
1950 |
{ |
1951 |
WinCharState *s = opaque; |
1952 |
COMSTAT status; |
1953 |
DWORD comerr; |
1954 |
|
1955 |
ClearCommError(s->hcom, &comerr, &status); |
1956 |
if (status.cbInQue > 0) { |
1957 |
s->len = status.cbInQue; |
1958 |
win_chr_read_poll(s); |
1959 |
win_chr_read(s); |
1960 |
return 1; |
1961 |
} |
1962 |
return 0; |
1963 |
} |
1964 |
|
1965 |
static void win_chr_add_read_handler(CharDriverState *chr, |
1966 |
IOCanRWHandler *fd_can_read, |
1967 |
IOReadHandler *fd_read, void *opaque)
|
1968 |
{ |
1969 |
WinCharState *s = chr->opaque; |
1970 |
|
1971 |
s->fd_can_read = fd_can_read; |
1972 |
s->fd_read = fd_read; |
1973 |
s->win_opaque = opaque; |
1974 |
} |
1975 |
|
1976 |
CharDriverState *qemu_chr_open_win(const char *filename) |
1977 |
{ |
1978 |
CharDriverState *chr; |
1979 |
WinCharState *s; |
1980 |
|
1981 |
chr = qemu_mallocz(sizeof(CharDriverState));
|
1982 |
if (!chr)
|
1983 |
return NULL; |
1984 |
s = qemu_mallocz(sizeof(WinCharState));
|
1985 |
if (!s) {
|
1986 |
free(chr); |
1987 |
return NULL; |
1988 |
} |
1989 |
chr->opaque = s; |
1990 |
chr->chr_write = win_chr_write; |
1991 |
chr->chr_add_read_handler = win_chr_add_read_handler; |
1992 |
chr->chr_close = win_chr_close; |
1993 |
|
1994 |
if (win_chr_init(s, filename) < 0) { |
1995 |
free(s); |
1996 |
free(chr); |
1997 |
return NULL; |
1998 |
} |
1999 |
return chr;
|
2000 |
} |
2001 |
|
2002 |
static int win_chr_pipe_poll(void *opaque) |
2003 |
{ |
2004 |
WinCharState *s = opaque; |
2005 |
DWORD size; |
2006 |
|
2007 |
PeekNamedPipe(s->hcom, NULL, 0, NULL, &size, NULL); |
2008 |
if (size > 0) { |
2009 |
s->len = size; |
2010 |
win_chr_read_poll(s); |
2011 |
win_chr_read(s); |
2012 |
return 1; |
2013 |
} |
2014 |
return 0; |
2015 |
} |
2016 |
|
2017 |
static int win_chr_pipe_init(WinCharState *s, const char *filename) |
2018 |
{ |
2019 |
OVERLAPPED ov; |
2020 |
int ret;
|
2021 |
DWORD size; |
2022 |
char openname[256]; |
2023 |
|
2024 |
s->fpipe = TRUE; |
2025 |
|
2026 |
s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL); |
2027 |
if (!s->hsend) {
|
2028 |
fprintf(stderr, "Failed CreateEvent\n");
|
2029 |
goto fail;
|
2030 |
} |
2031 |
s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL); |
2032 |
if (!s->hrecv) {
|
2033 |
fprintf(stderr, "Failed CreateEvent\n");
|
2034 |
goto fail;
|
2035 |
} |
2036 |
|
2037 |
snprintf(openname, sizeof(openname), "\\\\.\\pipe\\%s", filename); |
2038 |
s->hcom = CreateNamedPipe(openname, PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED, |
2039 |
PIPE_TYPE_BYTE | PIPE_READMODE_BYTE | |
2040 |
PIPE_WAIT, |
2041 |
MAXCONNECT, NSENDBUF, NRECVBUF, NTIMEOUT, NULL);
|
2042 |
if (s->hcom == INVALID_HANDLE_VALUE) {
|
2043 |
fprintf(stderr, "Failed CreateNamedPipe (%lu)\n", GetLastError());
|
2044 |
s->hcom = NULL;
|
2045 |
goto fail;
|
2046 |
} |
2047 |
|
2048 |
ZeroMemory(&ov, sizeof(ov));
|
2049 |
ov.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL); |
2050 |
ret = ConnectNamedPipe(s->hcom, &ov); |
2051 |
if (ret) {
|
2052 |
fprintf(stderr, "Failed ConnectNamedPipe\n");
|
2053 |
goto fail;
|
2054 |
} |
2055 |
|
2056 |
ret = GetOverlappedResult(s->hcom, &ov, &size, TRUE); |
2057 |
if (!ret) {
|
2058 |
fprintf(stderr, "Failed GetOverlappedResult\n");
|
2059 |
if (ov.hEvent) {
|
2060 |
CloseHandle(ov.hEvent); |
2061 |
ov.hEvent = NULL;
|
2062 |
} |
2063 |
goto fail;
|
2064 |
} |
2065 |
|
2066 |
if (ov.hEvent) {
|
2067 |
CloseHandle(ov.hEvent); |
2068 |
ov.hEvent = NULL;
|
2069 |
} |
2070 |
qemu_add_polling_cb(win_chr_pipe_poll, s); |
2071 |
return 0; |
2072 |
|
2073 |
fail:
|
2074 |
win_chr_close2(s); |
2075 |
return -1; |
2076 |
} |
2077 |
|
2078 |
|
2079 |
CharDriverState *qemu_chr_open_win_pipe(const char *filename) |
2080 |
{ |
2081 |
CharDriverState *chr; |
2082 |
WinCharState *s; |
2083 |
|
2084 |
chr = qemu_mallocz(sizeof(CharDriverState));
|
2085 |
if (!chr)
|
2086 |
return NULL; |
2087 |
s = qemu_mallocz(sizeof(WinCharState));
|
2088 |
if (!s) {
|
2089 |
free(chr); |
2090 |
return NULL; |
2091 |
} |
2092 |
chr->opaque = s; |
2093 |
chr->chr_write = win_chr_write; |
2094 |
chr->chr_add_read_handler = win_chr_add_read_handler; |
2095 |
chr->chr_close = win_chr_close; |
2096 |
|
2097 |
if (win_chr_pipe_init(s, filename) < 0) { |
2098 |
free(s); |
2099 |
free(chr); |
2100 |
return NULL; |
2101 |
} |
2102 |
return chr;
|
2103 |
} |
2104 |
|
2105 |
CharDriverState *qemu_chr_open_win_file(HANDLE fd_out) |
2106 |
{ |
2107 |
CharDriverState *chr; |
2108 |
WinCharState *s; |
2109 |
|
2110 |
chr = qemu_mallocz(sizeof(CharDriverState));
|
2111 |
if (!chr)
|
2112 |
return NULL; |
2113 |
s = qemu_mallocz(sizeof(WinCharState));
|
2114 |
if (!s) {
|
2115 |
free(chr); |
2116 |
return NULL; |
2117 |
} |
2118 |
s->hcom = fd_out; |
2119 |
chr->opaque = s; |
2120 |
chr->chr_write = win_chr_write; |
2121 |
chr->chr_add_read_handler = win_chr_add_read_handler; |
2122 |
return chr;
|
2123 |
} |
2124 |
|
2125 |
CharDriverState *qemu_chr_open_win_file_out(const char *file_out) |
2126 |
{ |
2127 |
HANDLE fd_out; |
2128 |
|
2129 |
fd_out = CreateFile(file_out, GENERIC_WRITE, FILE_SHARE_READ, NULL,
|
2130 |
OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
|
2131 |
if (fd_out == INVALID_HANDLE_VALUE)
|
2132 |
return NULL; |
2133 |
|
2134 |
return qemu_chr_open_win_file(fd_out);
|
2135 |
} |
2136 |
#endif
|
2137 |
|
2138 |
/***********************************************************/
|
2139 |
/* UDP Net console */
|
2140 |
|
2141 |
typedef struct { |
2142 |
IOCanRWHandler *fd_can_read; |
2143 |
IOReadHandler *fd_read; |
2144 |
void *fd_opaque;
|
2145 |
int fd;
|
2146 |
struct sockaddr_in daddr;
|
2147 |
char buf[1024]; |
2148 |
int bufcnt;
|
2149 |
int bufptr;
|
2150 |
int max_size;
|
2151 |
} NetCharDriver; |
2152 |
|
2153 |
static int udp_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
2154 |
{ |
2155 |
NetCharDriver *s = chr->opaque; |
2156 |
|
2157 |
return sendto(s->fd, buf, len, 0, |
2158 |
(struct sockaddr *)&s->daddr, sizeof(struct sockaddr_in)); |
2159 |
} |
2160 |
|
2161 |
static int udp_chr_read_poll(void *opaque) |
2162 |
{ |
2163 |
CharDriverState *chr = opaque; |
2164 |
NetCharDriver *s = chr->opaque; |
2165 |
|
2166 |
s->max_size = s->fd_can_read(s->fd_opaque); |
2167 |
|
2168 |
/* If there were any stray characters in the queue process them
|
2169 |
* first
|
2170 |
*/
|
2171 |
while (s->max_size > 0 && s->bufptr < s->bufcnt) { |
2172 |
s->fd_read(s->fd_opaque, &s->buf[s->bufptr], 1);
|
2173 |
s->bufptr++; |
2174 |
s->max_size = s->fd_can_read(s->fd_opaque); |
2175 |
} |
2176 |
return s->max_size;
|
2177 |
} |
2178 |
|
2179 |
static void udp_chr_read(void *opaque) |
2180 |
{ |
2181 |
CharDriverState *chr = opaque; |
2182 |
NetCharDriver *s = chr->opaque; |
2183 |
|
2184 |
if (s->max_size == 0) |
2185 |
return;
|
2186 |
s->bufcnt = recv(s->fd, s->buf, sizeof(s->buf), 0); |
2187 |
s->bufptr = s->bufcnt; |
2188 |
if (s->bufcnt <= 0) |
2189 |
return;
|
2190 |
|
2191 |
s->bufptr = 0;
|
2192 |
while (s->max_size > 0 && s->bufptr < s->bufcnt) { |
2193 |
s->fd_read(s->fd_opaque, &s->buf[s->bufptr], 1);
|
2194 |
s->bufptr++; |
2195 |
s->max_size = s->fd_can_read(s->fd_opaque); |
2196 |
} |
2197 |
} |
2198 |
|
2199 |
static void udp_chr_add_read_handler(CharDriverState *chr, |
2200 |
IOCanRWHandler *fd_can_read, |
2201 |
IOReadHandler *fd_read, void *opaque)
|
2202 |
{ |
2203 |
NetCharDriver *s = chr->opaque; |
2204 |
|
2205 |
if (s->fd >= 0) { |
2206 |
s->fd_can_read = fd_can_read; |
2207 |
s->fd_read = fd_read; |
2208 |
s->fd_opaque = opaque; |
2209 |
qemu_set_fd_handler2(s->fd, udp_chr_read_poll, |
2210 |
udp_chr_read, NULL, chr);
|
2211 |
} |
2212 |
} |
2213 |
|
2214 |
int parse_host_port(struct sockaddr_in *saddr, const char *str); |
2215 |
int parse_unix_path(struct sockaddr_un *uaddr, const char *str); |
2216 |
int parse_host_src_port(struct sockaddr_in *haddr, |
2217 |
struct sockaddr_in *saddr,
|
2218 |
const char *str); |
2219 |
|
2220 |
CharDriverState *qemu_chr_open_udp(const char *def) |
2221 |
{ |
2222 |
CharDriverState *chr = NULL;
|
2223 |
NetCharDriver *s = NULL;
|
2224 |
int fd = -1; |
2225 |
struct sockaddr_in saddr;
|
2226 |
|
2227 |
chr = qemu_mallocz(sizeof(CharDriverState));
|
2228 |
if (!chr)
|
2229 |
goto return_err;
|
2230 |
s = qemu_mallocz(sizeof(NetCharDriver));
|
2231 |
if (!s)
|
2232 |
goto return_err;
|
2233 |
|
2234 |
fd = socket(PF_INET, SOCK_DGRAM, 0);
|
2235 |
if (fd < 0) { |
2236 |
perror("socket(PF_INET, SOCK_DGRAM)");
|
2237 |
goto return_err;
|
2238 |
} |
2239 |
|
2240 |
if (parse_host_src_port(&s->daddr, &saddr, def) < 0) { |
2241 |
printf("Could not parse: %s\n", def);
|
2242 |
goto return_err;
|
2243 |
} |
2244 |
|
2245 |
if (bind(fd, (struct sockaddr *)&saddr, sizeof(saddr)) < 0) |
2246 |
{ |
2247 |
perror("bind");
|
2248 |
goto return_err;
|
2249 |
} |
2250 |
|
2251 |
s->fd = fd; |
2252 |
s->bufcnt = 0;
|
2253 |
s->bufptr = 0;
|
2254 |
chr->opaque = s; |
2255 |
chr->chr_write = udp_chr_write; |
2256 |
chr->chr_add_read_handler = udp_chr_add_read_handler; |
2257 |
return chr;
|
2258 |
|
2259 |
return_err:
|
2260 |
if (chr)
|
2261 |
free(chr); |
2262 |
if (s)
|
2263 |
free(s); |
2264 |
if (fd >= 0) |
2265 |
closesocket(fd); |
2266 |
return NULL; |
2267 |
} |
2268 |
|
2269 |
/***********************************************************/
|
2270 |
/* TCP Net console */
|
2271 |
|
2272 |
typedef struct { |
2273 |
IOCanRWHandler *fd_can_read; |
2274 |
IOReadHandler *fd_read; |
2275 |
void *fd_opaque;
|
2276 |
int fd, listen_fd;
|
2277 |
int connected;
|
2278 |
int max_size;
|
2279 |
int do_telnetopt;
|
2280 |
int is_unix;
|
2281 |
} TCPCharDriver; |
2282 |
|
2283 |
static void tcp_chr_accept(void *opaque); |
2284 |
|
2285 |
static int tcp_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
2286 |
{ |
2287 |
TCPCharDriver *s = chr->opaque; |
2288 |
if (s->connected) {
|
2289 |
return send_all(s->fd, buf, len);
|
2290 |
} else {
|
2291 |
/* XXX: indicate an error ? */
|
2292 |
return len;
|
2293 |
} |
2294 |
} |
2295 |
|
2296 |
static int tcp_chr_read_poll(void *opaque) |
2297 |
{ |
2298 |
CharDriverState *chr = opaque; |
2299 |
TCPCharDriver *s = chr->opaque; |
2300 |
if (!s->connected)
|
2301 |
return 0; |
2302 |
if (!s->fd_can_read)
|
2303 |
return 0; |
2304 |
s->max_size = s->fd_can_read(s->fd_opaque); |
2305 |
return s->max_size;
|
2306 |
} |
2307 |
|
2308 |
#define IAC 255 |
2309 |
#define IAC_BREAK 243 |
2310 |
static void tcp_chr_process_IAC_bytes(CharDriverState *chr, |
2311 |
TCPCharDriver *s, |
2312 |
char *buf, int *size) |
2313 |
{ |
2314 |
/* Handle any telnet client's basic IAC options to satisfy char by
|
2315 |
* char mode with no echo. All IAC options will be removed from
|
2316 |
* the buf and the do_telnetopt variable will be used to track the
|
2317 |
* state of the width of the IAC information.
|
2318 |
*
|
2319 |
* IAC commands come in sets of 3 bytes with the exception of the
|
2320 |
* "IAC BREAK" command and the double IAC.
|
2321 |
*/
|
2322 |
|
2323 |
int i;
|
2324 |
int j = 0; |
2325 |
|
2326 |
for (i = 0; i < *size; i++) { |
2327 |
if (s->do_telnetopt > 1) { |
2328 |
if ((unsigned char)buf[i] == IAC && s->do_telnetopt == 2) { |
2329 |
/* Double IAC means send an IAC */
|
2330 |
if (j != i)
|
2331 |
buf[j] = buf[i]; |
2332 |
j++; |
2333 |
s->do_telnetopt = 1;
|
2334 |
} else {
|
2335 |
if ((unsigned char)buf[i] == IAC_BREAK && s->do_telnetopt == 2) { |
2336 |
/* Handle IAC break commands by sending a serial break */
|
2337 |
chr->chr_event(s->fd_opaque, CHR_EVENT_BREAK); |
2338 |
s->do_telnetopt++; |
2339 |
} |
2340 |
s->do_telnetopt++; |
2341 |
} |
2342 |
if (s->do_telnetopt >= 4) { |
2343 |
s->do_telnetopt = 1;
|
2344 |
} |
2345 |
} else {
|
2346 |
if ((unsigned char)buf[i] == IAC) { |
2347 |
s->do_telnetopt = 2;
|
2348 |
} else {
|
2349 |
if (j != i)
|
2350 |
buf[j] = buf[i]; |
2351 |
j++; |
2352 |
} |
2353 |
} |
2354 |
} |
2355 |
*size = j; |
2356 |
} |
2357 |
|
2358 |
static void tcp_chr_read(void *opaque) |
2359 |
{ |
2360 |
CharDriverState *chr = opaque; |
2361 |
TCPCharDriver *s = chr->opaque; |
2362 |
uint8_t buf[1024];
|
2363 |
int len, size;
|
2364 |
|
2365 |
if (!s->connected || s->max_size <= 0) |
2366 |
return;
|
2367 |
len = sizeof(buf);
|
2368 |
if (len > s->max_size)
|
2369 |
len = s->max_size; |
2370 |
size = recv(s->fd, buf, len, 0);
|
2371 |
if (size == 0) { |
2372 |
/* connection closed */
|
2373 |
s->connected = 0;
|
2374 |
if (s->listen_fd >= 0) { |
2375 |
qemu_set_fd_handler(s->listen_fd, tcp_chr_accept, NULL, chr);
|
2376 |
} |
2377 |
qemu_set_fd_handler(s->fd, NULL, NULL, NULL); |
2378 |
closesocket(s->fd); |
2379 |
s->fd = -1;
|
2380 |
} else if (size > 0) { |
2381 |
if (s->do_telnetopt)
|
2382 |
tcp_chr_process_IAC_bytes(chr, s, buf, &size); |
2383 |
if (size > 0) |
2384 |
s->fd_read(s->fd_opaque, buf, size); |
2385 |
} |
2386 |
} |
2387 |
|
2388 |
static void tcp_chr_add_read_handler(CharDriverState *chr, |
2389 |
IOCanRWHandler *fd_can_read, |
2390 |
IOReadHandler *fd_read, void *opaque)
|
2391 |
{ |
2392 |
TCPCharDriver *s = chr->opaque; |
2393 |
|
2394 |
s->fd_can_read = fd_can_read; |
2395 |
s->fd_read = fd_read; |
2396 |
s->fd_opaque = opaque; |
2397 |
} |
2398 |
|
2399 |
static void tcp_chr_connect(void *opaque) |
2400 |
{ |
2401 |
CharDriverState *chr = opaque; |
2402 |
TCPCharDriver *s = chr->opaque; |
2403 |
|
2404 |
s->connected = 1;
|
2405 |
qemu_set_fd_handler2(s->fd, tcp_chr_read_poll, |
2406 |
tcp_chr_read, NULL, chr);
|
2407 |
} |
2408 |
|
2409 |
#define IACSET(x,a,b,c) x[0] = a; x[1] = b; x[2] = c; |
2410 |
static void tcp_chr_telnet_init(int fd) |
2411 |
{ |
2412 |
char buf[3]; |
2413 |
/* Send the telnet negotion to put telnet in binary, no echo, single char mode */
|
2414 |
IACSET(buf, 0xff, 0xfb, 0x01); /* IAC WILL ECHO */ |
2415 |
send(fd, (char *)buf, 3, 0); |
2416 |
IACSET(buf, 0xff, 0xfb, 0x03); /* IAC WILL Suppress go ahead */ |
2417 |
send(fd, (char *)buf, 3, 0); |
2418 |
IACSET(buf, 0xff, 0xfb, 0x00); /* IAC WILL Binary */ |
2419 |
send(fd, (char *)buf, 3, 0); |
2420 |
IACSET(buf, 0xff, 0xfd, 0x00); /* IAC DO Binary */ |
2421 |
send(fd, (char *)buf, 3, 0); |
2422 |
} |
2423 |
|
2424 |
static void tcp_chr_accept(void *opaque) |
2425 |
{ |
2426 |
CharDriverState *chr = opaque; |
2427 |
TCPCharDriver *s = chr->opaque; |
2428 |
struct sockaddr_in saddr;
|
2429 |
#ifndef _WIN32
|
2430 |
struct sockaddr_un uaddr;
|
2431 |
#endif
|
2432 |
struct sockaddr *addr;
|
2433 |
socklen_t len; |
2434 |
int fd;
|
2435 |
|
2436 |
for(;;) {
|
2437 |
#ifndef _WIN32
|
2438 |
if (s->is_unix) {
|
2439 |
len = sizeof(uaddr);
|
2440 |
addr = (struct sockaddr *)&uaddr;
|
2441 |
} else
|
2442 |
#endif
|
2443 |
{ |
2444 |
len = sizeof(saddr);
|
2445 |
addr = (struct sockaddr *)&saddr;
|
2446 |
} |
2447 |
fd = accept(s->listen_fd, addr, &len); |
2448 |
if (fd < 0 && errno != EINTR) { |
2449 |
return;
|
2450 |
} else if (fd >= 0) { |
2451 |
if (s->do_telnetopt)
|
2452 |
tcp_chr_telnet_init(fd); |
2453 |
break;
|
2454 |
} |
2455 |
} |
2456 |
socket_set_nonblock(fd); |
2457 |
s->fd = fd; |
2458 |
qemu_set_fd_handler(s->listen_fd, NULL, NULL, NULL); |
2459 |
tcp_chr_connect(chr); |
2460 |
} |
2461 |
|
2462 |
static void tcp_chr_close(CharDriverState *chr) |
2463 |
{ |
2464 |
TCPCharDriver *s = chr->opaque; |
2465 |
if (s->fd >= 0) |
2466 |
closesocket(s->fd); |
2467 |
if (s->listen_fd >= 0) |
2468 |
closesocket(s->listen_fd); |
2469 |
qemu_free(s); |
2470 |
} |
2471 |
|
2472 |
static CharDriverState *qemu_chr_open_tcp(const char *host_str, |
2473 |
int is_telnet,
|
2474 |
int is_unix)
|
2475 |
{ |
2476 |
CharDriverState *chr = NULL;
|
2477 |
TCPCharDriver *s = NULL;
|
2478 |
int fd = -1, ret, err, val; |
2479 |
int is_listen = 0; |
2480 |
int is_waitconnect = 1; |
2481 |
const char *ptr; |
2482 |
struct sockaddr_in saddr;
|
2483 |
#ifndef _WIN32
|
2484 |
struct sockaddr_un uaddr;
|
2485 |
#endif
|
2486 |
struct sockaddr *addr;
|
2487 |
socklen_t addrlen; |
2488 |
|
2489 |
#ifndef _WIN32
|
2490 |
if (is_unix) {
|
2491 |
addr = (struct sockaddr *)&uaddr;
|
2492 |
addrlen = sizeof(uaddr);
|
2493 |
if (parse_unix_path(&uaddr, host_str) < 0) |
2494 |
goto fail;
|
2495 |
} else
|
2496 |
#endif
|
2497 |
{ |
2498 |
addr = (struct sockaddr *)&saddr;
|
2499 |
addrlen = sizeof(saddr);
|
2500 |
if (parse_host_port(&saddr, host_str) < 0) |
2501 |
goto fail;
|
2502 |
} |
2503 |
|
2504 |
ptr = host_str; |
2505 |
while((ptr = strchr(ptr,','))) { |
2506 |
ptr++; |
2507 |
if (!strncmp(ptr,"server",6)) { |
2508 |
is_listen = 1;
|
2509 |
} else if (!strncmp(ptr,"nowait",6)) { |
2510 |
is_waitconnect = 0;
|
2511 |
} else {
|
2512 |
printf("Unknown option: %s\n", ptr);
|
2513 |
goto fail;
|
2514 |
} |
2515 |
} |
2516 |
if (!is_listen)
|
2517 |
is_waitconnect = 0;
|
2518 |
|
2519 |
chr = qemu_mallocz(sizeof(CharDriverState));
|
2520 |
if (!chr)
|
2521 |
goto fail;
|
2522 |
s = qemu_mallocz(sizeof(TCPCharDriver));
|
2523 |
if (!s)
|
2524 |
goto fail;
|
2525 |
|
2526 |
#ifndef _WIN32
|
2527 |
if (is_unix)
|
2528 |
fd = socket(PF_UNIX, SOCK_STREAM, 0);
|
2529 |
else
|
2530 |
#endif
|
2531 |
fd = socket(PF_INET, SOCK_STREAM, 0);
|
2532 |
|
2533 |
if (fd < 0) |
2534 |
goto fail;
|
2535 |
|
2536 |
if (!is_waitconnect)
|
2537 |
socket_set_nonblock(fd); |
2538 |
|
2539 |
s->connected = 0;
|
2540 |
s->fd = -1;
|
2541 |
s->listen_fd = -1;
|
2542 |
s->is_unix = is_unix; |
2543 |
|
2544 |
chr->opaque = s; |
2545 |
chr->chr_write = tcp_chr_write; |
2546 |
chr->chr_add_read_handler = tcp_chr_add_read_handler; |
2547 |
chr->chr_close = tcp_chr_close; |
2548 |
|
2549 |
if (is_listen) {
|
2550 |
/* allow fast reuse */
|
2551 |
#ifndef _WIN32
|
2552 |
if (is_unix) {
|
2553 |
char path[109]; |
2554 |
strncpy(path, uaddr.sun_path, 108);
|
2555 |
path[108] = 0; |
2556 |
unlink(path); |
2557 |
} else
|
2558 |
#endif
|
2559 |
{ |
2560 |
val = 1;
|
2561 |
setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (const char *)&val, sizeof(val)); |
2562 |
} |
2563 |
|
2564 |
ret = bind(fd, addr, addrlen); |
2565 |
if (ret < 0) |
2566 |
goto fail;
|
2567 |
|
2568 |
ret = listen(fd, 0);
|
2569 |
if (ret < 0) |
2570 |
goto fail;
|
2571 |
|
2572 |
s->listen_fd = fd; |
2573 |
qemu_set_fd_handler(s->listen_fd, tcp_chr_accept, NULL, chr);
|
2574 |
if (is_telnet)
|
2575 |
s->do_telnetopt = 1;
|
2576 |
} else {
|
2577 |
for(;;) {
|
2578 |
ret = connect(fd, addr, addrlen); |
2579 |
if (ret < 0) { |
2580 |
err = socket_error(); |
2581 |
if (err == EINTR || err == EWOULDBLOCK) {
|
2582 |
} else if (err == EINPROGRESS) { |
2583 |
break;
|
2584 |
} else {
|
2585 |
goto fail;
|
2586 |
} |
2587 |
} else {
|
2588 |
s->connected = 1;
|
2589 |
break;
|
2590 |
} |
2591 |
} |
2592 |
s->fd = fd; |
2593 |
if (s->connected)
|
2594 |
tcp_chr_connect(chr); |
2595 |
else
|
2596 |
qemu_set_fd_handler(s->fd, NULL, tcp_chr_connect, chr);
|
2597 |
} |
2598 |
|
2599 |
if (is_listen && is_waitconnect) {
|
2600 |
printf("QEMU waiting for connection on: %s\n", host_str);
|
2601 |
tcp_chr_accept(chr); |
2602 |
socket_set_nonblock(s->listen_fd); |
2603 |
} |
2604 |
|
2605 |
return chr;
|
2606 |
fail:
|
2607 |
if (fd >= 0) |
2608 |
closesocket(fd); |
2609 |
qemu_free(s); |
2610 |
qemu_free(chr); |
2611 |
return NULL; |
2612 |
} |
2613 |
|
2614 |
CharDriverState *qemu_chr_open(const char *filename) |
2615 |
{ |
2616 |
const char *p; |
2617 |
|
2618 |
if (!strcmp(filename, "vc")) { |
2619 |
return text_console_init(&display_state);
|
2620 |
} else if (!strcmp(filename, "null")) { |
2621 |
return qemu_chr_open_null();
|
2622 |
} else
|
2623 |
if (strstart(filename, "tcp:", &p)) { |
2624 |
return qemu_chr_open_tcp(p, 0, 0); |
2625 |
} else
|
2626 |
if (strstart(filename, "telnet:", &p)) { |
2627 |
return qemu_chr_open_tcp(p, 1, 0); |
2628 |
} else
|
2629 |
if (strstart(filename, "udp:", &p)) { |
2630 |
return qemu_chr_open_udp(p);
|
2631 |
} else
|
2632 |
#ifndef _WIN32
|
2633 |
if (strstart(filename, "unix:", &p)) { |
2634 |
return qemu_chr_open_tcp(p, 0, 1); |
2635 |
} else if (strstart(filename, "file:", &p)) { |
2636 |
return qemu_chr_open_file_out(p);
|
2637 |
} else if (strstart(filename, "pipe:", &p)) { |
2638 |
return qemu_chr_open_pipe(p);
|
2639 |
} else if (!strcmp(filename, "pty")) { |
2640 |
return qemu_chr_open_pty();
|
2641 |
} else if (!strcmp(filename, "stdio")) { |
2642 |
return qemu_chr_open_stdio();
|
2643 |
} else
|
2644 |
#endif
|
2645 |
#if defined(__linux__)
|
2646 |
if (strstart(filename, "/dev/parport", NULL)) { |
2647 |
return qemu_chr_open_pp(filename);
|
2648 |
} else
|
2649 |
if (strstart(filename, "/dev/", NULL)) { |
2650 |
return qemu_chr_open_tty(filename);
|
2651 |
} else
|
2652 |
#endif
|
2653 |
#ifdef _WIN32
|
2654 |
if (strstart(filename, "COM", NULL)) { |
2655 |
return qemu_chr_open_win(filename);
|
2656 |
} else
|
2657 |
if (strstart(filename, "pipe:", &p)) { |
2658 |
return qemu_chr_open_win_pipe(p);
|
2659 |
} else
|
2660 |
if (strstart(filename, "file:", &p)) { |
2661 |
return qemu_chr_open_win_file_out(p);
|
2662 |
} |
2663 |
#endif
|
2664 |
{ |
2665 |
return NULL; |
2666 |
} |
2667 |
} |
2668 |
|
2669 |
void qemu_chr_close(CharDriverState *chr)
|
2670 |
{ |
2671 |
if (chr->chr_close)
|
2672 |
chr->chr_close(chr); |
2673 |
} |
2674 |
|
2675 |
/***********************************************************/
|
2676 |
/* network device redirectors */
|
2677 |
|
2678 |
void hex_dump(FILE *f, const uint8_t *buf, int size) |
2679 |
{ |
2680 |
int len, i, j, c;
|
2681 |
|
2682 |
for(i=0;i<size;i+=16) { |
2683 |
len = size - i; |
2684 |
if (len > 16) |
2685 |
len = 16;
|
2686 |
fprintf(f, "%08x ", i);
|
2687 |
for(j=0;j<16;j++) { |
2688 |
if (j < len)
|
2689 |
fprintf(f, " %02x", buf[i+j]);
|
2690 |
else
|
2691 |
fprintf(f, " ");
|
2692 |
} |
2693 |
fprintf(f, " ");
|
2694 |
for(j=0;j<len;j++) { |
2695 |
c = buf[i+j]; |
2696 |
if (c < ' ' || c > '~') |
2697 |
c = '.';
|
2698 |
fprintf(f, "%c", c);
|
2699 |
} |
2700 |
fprintf(f, "\n");
|
2701 |
} |
2702 |
} |
2703 |
|
2704 |
static int parse_macaddr(uint8_t *macaddr, const char *p) |
2705 |
{ |
2706 |
int i;
|
2707 |
for(i = 0; i < 6; i++) { |
2708 |
macaddr[i] = strtol(p, (char **)&p, 16); |
2709 |
if (i == 5) { |
2710 |
if (*p != '\0') |
2711 |
return -1; |
2712 |
} else {
|
2713 |
if (*p != ':') |
2714 |
return -1; |
2715 |
p++; |
2716 |
} |
2717 |
} |
2718 |
return 0; |
2719 |
} |
2720 |
|
2721 |
static int get_str_sep(char *buf, int buf_size, const char **pp, int sep) |
2722 |
{ |
2723 |
const char *p, *p1; |
2724 |
int len;
|
2725 |
p = *pp; |
2726 |
p1 = strchr(p, sep); |
2727 |
if (!p1)
|
2728 |
return -1; |
2729 |
len = p1 - p; |
2730 |
p1++; |
2731 |
if (buf_size > 0) { |
2732 |
if (len > buf_size - 1) |
2733 |
len = buf_size - 1;
|
2734 |
memcpy(buf, p, len); |
2735 |
buf[len] = '\0';
|
2736 |
} |
2737 |
*pp = p1; |
2738 |
return 0; |
2739 |
} |
2740 |
|
2741 |
int parse_host_src_port(struct sockaddr_in *haddr, |
2742 |
struct sockaddr_in *saddr,
|
2743 |
const char *input_str) |
2744 |
{ |
2745 |
char *str = strdup(input_str);
|
2746 |
char *host_str = str;
|
2747 |
char *src_str;
|
2748 |
char *ptr;
|
2749 |
|
2750 |
/*
|
2751 |
* Chop off any extra arguments at the end of the string which
|
2752 |
* would start with a comma, then fill in the src port information
|
2753 |
* if it was provided else use the "any address" and "any port".
|
2754 |
*/
|
2755 |
if ((ptr = strchr(str,','))) |
2756 |
*ptr = '\0';
|
2757 |
|
2758 |
if ((src_str = strchr(input_str,'@'))) { |
2759 |
*src_str = '\0';
|
2760 |
src_str++; |
2761 |
} |
2762 |
|
2763 |
if (parse_host_port(haddr, host_str) < 0) |
2764 |
goto fail;
|
2765 |
|
2766 |
if (!src_str || *src_str == '\0') |
2767 |
src_str = ":0";
|
2768 |
|
2769 |
if (parse_host_port(saddr, src_str) < 0) |
2770 |
goto fail;
|
2771 |
|
2772 |
free(str); |
2773 |
return(0); |
2774 |
|
2775 |
fail:
|
2776 |
free(str); |
2777 |
return -1; |
2778 |
} |
2779 |
|
2780 |
int parse_host_port(struct sockaddr_in *saddr, const char *str) |
2781 |
{ |
2782 |
char buf[512]; |
2783 |
struct hostent *he;
|
2784 |
const char *p, *r; |
2785 |
int port;
|
2786 |
|
2787 |
p = str; |
2788 |
if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) |
2789 |
return -1; |
2790 |
saddr->sin_family = AF_INET; |
2791 |
if (buf[0] == '\0') { |
2792 |
saddr->sin_addr.s_addr = 0;
|
2793 |
} else {
|
2794 |
if (isdigit(buf[0])) { |
2795 |
if (!inet_aton(buf, &saddr->sin_addr))
|
2796 |
return -1; |
2797 |
} else {
|
2798 |
if ((he = gethostbyname(buf)) == NULL) |
2799 |
return - 1; |
2800 |
saddr->sin_addr = *(struct in_addr *)he->h_addr;
|
2801 |
} |
2802 |
} |
2803 |
port = strtol(p, (char **)&r, 0); |
2804 |
if (r == p)
|
2805 |
return -1; |
2806 |
saddr->sin_port = htons(port); |
2807 |
return 0; |
2808 |
} |
2809 |
|
2810 |
int parse_unix_path(struct sockaddr_un *uaddr, const char *str) |
2811 |
{ |
2812 |
const char *p; |
2813 |
int len;
|
2814 |
|
2815 |
len = MIN(108, strlen(str));
|
2816 |
p = strchr(str, ',');
|
2817 |
if (p)
|
2818 |
len = MIN(len, p - str); |
2819 |
|
2820 |
memset(uaddr, 0, sizeof(*uaddr)); |
2821 |
|
2822 |
uaddr->sun_family = AF_UNIX; |
2823 |
memcpy(uaddr->sun_path, str, len); |
2824 |
|
2825 |
return 0; |
2826 |
} |
2827 |
|
2828 |
/* find or alloc a new VLAN */
|
2829 |
VLANState *qemu_find_vlan(int id)
|
2830 |
{ |
2831 |
VLANState **pvlan, *vlan; |
2832 |
for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) { |
2833 |
if (vlan->id == id)
|
2834 |
return vlan;
|
2835 |
} |
2836 |
vlan = qemu_mallocz(sizeof(VLANState));
|
2837 |
if (!vlan)
|
2838 |
return NULL; |
2839 |
vlan->id = id; |
2840 |
vlan->next = NULL;
|
2841 |
pvlan = &first_vlan; |
2842 |
while (*pvlan != NULL) |
2843 |
pvlan = &(*pvlan)->next; |
2844 |
*pvlan = vlan; |
2845 |
return vlan;
|
2846 |
} |
2847 |
|
2848 |
VLANClientState *qemu_new_vlan_client(VLANState *vlan, |
2849 |
IOReadHandler *fd_read, |
2850 |
IOCanRWHandler *fd_can_read, |
2851 |
void *opaque)
|
2852 |
{ |
2853 |
VLANClientState *vc, **pvc; |
2854 |
vc = qemu_mallocz(sizeof(VLANClientState));
|
2855 |
if (!vc)
|
2856 |
return NULL; |
2857 |
vc->fd_read = fd_read; |
2858 |
vc->fd_can_read = fd_can_read; |
2859 |
vc->opaque = opaque; |
2860 |
vc->vlan = vlan; |
2861 |
|
2862 |
vc->next = NULL;
|
2863 |
pvc = &vlan->first_client; |
2864 |
while (*pvc != NULL) |
2865 |
pvc = &(*pvc)->next; |
2866 |
*pvc = vc; |
2867 |
return vc;
|
2868 |
} |
2869 |
|
2870 |
int qemu_can_send_packet(VLANClientState *vc1)
|
2871 |
{ |
2872 |
VLANState *vlan = vc1->vlan; |
2873 |
VLANClientState *vc; |
2874 |
|
2875 |
for(vc = vlan->first_client; vc != NULL; vc = vc->next) { |
2876 |
if (vc != vc1) {
|
2877 |
if (vc->fd_can_read && !vc->fd_can_read(vc->opaque))
|
2878 |
return 0; |
2879 |
} |
2880 |
} |
2881 |
return 1; |
2882 |
} |
2883 |
|
2884 |
void qemu_send_packet(VLANClientState *vc1, const uint8_t *buf, int size) |
2885 |
{ |
2886 |
VLANState *vlan = vc1->vlan; |
2887 |
VLANClientState *vc; |
2888 |
|
2889 |
#if 0
|
2890 |
printf("vlan %d send:\n", vlan->id);
|
2891 |
hex_dump(stdout, buf, size);
|
2892 |
#endif
|
2893 |
for(vc = vlan->first_client; vc != NULL; vc = vc->next) { |
2894 |
if (vc != vc1) {
|
2895 |
vc->fd_read(vc->opaque, buf, size); |
2896 |
} |
2897 |
} |
2898 |
} |
2899 |
|
2900 |
#if defined(CONFIG_SLIRP)
|
2901 |
|
2902 |
/* slirp network adapter */
|
2903 |
|
2904 |
static int slirp_inited; |
2905 |
static VLANClientState *slirp_vc;
|
2906 |
|
2907 |
int slirp_can_output(void) |
2908 |
{ |
2909 |
return !slirp_vc || qemu_can_send_packet(slirp_vc);
|
2910 |
} |
2911 |
|
2912 |
void slirp_output(const uint8_t *pkt, int pkt_len) |
2913 |
{ |
2914 |
#if 0
|
2915 |
printf("slirp output:\n");
|
2916 |
hex_dump(stdout, pkt, pkt_len);
|
2917 |
#endif
|
2918 |
if (!slirp_vc)
|
2919 |
return;
|
2920 |
qemu_send_packet(slirp_vc, pkt, pkt_len); |
2921 |
} |
2922 |
|
2923 |
static void slirp_receive(void *opaque, const uint8_t *buf, int size) |
2924 |
{ |
2925 |
#if 0
|
2926 |
printf("slirp input:\n");
|
2927 |
hex_dump(stdout, buf, size);
|
2928 |
#endif
|
2929 |
slirp_input(buf, size); |
2930 |
} |
2931 |
|
2932 |
static int net_slirp_init(VLANState *vlan) |
2933 |
{ |
2934 |
if (!slirp_inited) {
|
2935 |
slirp_inited = 1;
|
2936 |
slirp_init(); |
2937 |
} |
2938 |
slirp_vc = qemu_new_vlan_client(vlan, |
2939 |
slirp_receive, NULL, NULL); |
2940 |
snprintf(slirp_vc->info_str, sizeof(slirp_vc->info_str), "user redirector"); |
2941 |
return 0; |
2942 |
} |
2943 |
|
2944 |
static void net_slirp_redir(const char *redir_str) |
2945 |
{ |
2946 |
int is_udp;
|
2947 |
char buf[256], *r; |
2948 |
const char *p; |
2949 |
struct in_addr guest_addr;
|
2950 |
int host_port, guest_port;
|
2951 |
|
2952 |
if (!slirp_inited) {
|
2953 |
slirp_inited = 1;
|
2954 |
slirp_init(); |
2955 |
} |
2956 |
|
2957 |
p = redir_str; |
2958 |
if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) |
2959 |
goto fail;
|
2960 |
if (!strcmp(buf, "tcp")) { |
2961 |
is_udp = 0;
|
2962 |
} else if (!strcmp(buf, "udp")) { |
2963 |
is_udp = 1;
|
2964 |
} else {
|
2965 |
goto fail;
|
2966 |
} |
2967 |
|
2968 |
if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) |
2969 |
goto fail;
|
2970 |
host_port = strtol(buf, &r, 0);
|
2971 |
if (r == buf)
|
2972 |
goto fail;
|
2973 |
|
2974 |
if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) |
2975 |
goto fail;
|
2976 |
if (buf[0] == '\0') { |
2977 |
pstrcpy(buf, sizeof(buf), "10.0.2.15"); |
2978 |
} |
2979 |
if (!inet_aton(buf, &guest_addr))
|
2980 |
goto fail;
|
2981 |
|
2982 |
guest_port = strtol(p, &r, 0);
|
2983 |
if (r == p)
|
2984 |
goto fail;
|
2985 |
|
2986 |
if (slirp_redir(is_udp, host_port, guest_addr, guest_port) < 0) { |
2987 |
fprintf(stderr, "qemu: could not set up redirection\n");
|
2988 |
exit(1);
|
2989 |
} |
2990 |
return;
|
2991 |
fail:
|
2992 |
fprintf(stderr, "qemu: syntax: -redir [tcp|udp]:host-port:[guest-host]:guest-port\n");
|
2993 |
exit(1);
|
2994 |
} |
2995 |
|
2996 |
#ifndef _WIN32
|
2997 |
|
2998 |
char smb_dir[1024]; |
2999 |
|
3000 |
static void smb_exit(void) |
3001 |
{ |
3002 |
DIR *d; |
3003 |
struct dirent *de;
|
3004 |
char filename[1024]; |
3005 |
|
3006 |
/* erase all the files in the directory */
|
3007 |
d = opendir(smb_dir); |
3008 |
for(;;) {
|
3009 |
de = readdir(d); |
3010 |
if (!de)
|
3011 |
break;
|
3012 |
if (strcmp(de->d_name, ".") != 0 && |
3013 |
strcmp(de->d_name, "..") != 0) { |
3014 |
snprintf(filename, sizeof(filename), "%s/%s", |
3015 |
smb_dir, de->d_name); |
3016 |
unlink(filename); |
3017 |
} |
3018 |
} |
3019 |
closedir(d); |
3020 |
rmdir(smb_dir); |
3021 |
} |
3022 |
|
3023 |
/* automatic user mode samba server configuration */
|
3024 |
void net_slirp_smb(const char *exported_dir) |
3025 |
{ |
3026 |
char smb_conf[1024]; |
3027 |
char smb_cmdline[1024]; |
3028 |
FILE *f; |
3029 |
|
3030 |
if (!slirp_inited) {
|
3031 |
slirp_inited = 1;
|
3032 |
slirp_init(); |
3033 |
} |
3034 |
|
3035 |
/* XXX: better tmp dir construction */
|
3036 |
snprintf(smb_dir, sizeof(smb_dir), "/tmp/qemu-smb.%d", getpid()); |
3037 |
if (mkdir(smb_dir, 0700) < 0) { |
3038 |
fprintf(stderr, "qemu: could not create samba server dir '%s'\n", smb_dir);
|
3039 |
exit(1);
|
3040 |
} |
3041 |
snprintf(smb_conf, sizeof(smb_conf), "%s/%s", smb_dir, "smb.conf"); |
3042 |
|
3043 |
f = fopen(smb_conf, "w");
|
3044 |
if (!f) {
|
3045 |
fprintf(stderr, "qemu: could not create samba server configuration file '%s'\n", smb_conf);
|
3046 |
exit(1);
|
3047 |
} |
3048 |
fprintf(f, |
3049 |
"[global]\n"
|
3050 |
"private dir=%s\n"
|
3051 |
"smb ports=0\n"
|
3052 |
"socket address=127.0.0.1\n"
|
3053 |
"pid directory=%s\n"
|
3054 |
"lock directory=%s\n"
|
3055 |
"log file=%s/log.smbd\n"
|
3056 |
"smb passwd file=%s/smbpasswd\n"
|
3057 |
"security = share\n"
|
3058 |
"[qemu]\n"
|
3059 |
"path=%s\n"
|
3060 |
"read only=no\n"
|
3061 |
"guest ok=yes\n",
|
3062 |
smb_dir, |
3063 |
smb_dir, |
3064 |
smb_dir, |
3065 |
smb_dir, |
3066 |
smb_dir, |
3067 |
exported_dir |
3068 |
); |
3069 |
fclose(f); |
3070 |
atexit(smb_exit); |
3071 |
|
3072 |
snprintf(smb_cmdline, sizeof(smb_cmdline), "/usr/sbin/smbd -s %s", |
3073 |
smb_conf); |
3074 |
|
3075 |
slirp_add_exec(0, smb_cmdline, 4, 139); |
3076 |
} |
3077 |
|
3078 |
#endif /* !defined(_WIN32) */ |
3079 |
|
3080 |
#endif /* CONFIG_SLIRP */ |
3081 |
|
3082 |
#if !defined(_WIN32)
|
3083 |
|
3084 |
typedef struct TAPState { |
3085 |
VLANClientState *vc; |
3086 |
int fd;
|
3087 |
} TAPState; |
3088 |
|
3089 |
static void tap_receive(void *opaque, const uint8_t *buf, int size) |
3090 |
{ |
3091 |
TAPState *s = opaque; |
3092 |
int ret;
|
3093 |
for(;;) {
|
3094 |
ret = write(s->fd, buf, size); |
3095 |
if (ret < 0 && (errno == EINTR || errno == EAGAIN)) { |
3096 |
} else {
|
3097 |
break;
|
3098 |
} |
3099 |
} |
3100 |
} |
3101 |
|
3102 |
static void tap_send(void *opaque) |
3103 |
{ |
3104 |
TAPState *s = opaque; |
3105 |
uint8_t buf[4096];
|
3106 |
int size;
|
3107 |
|
3108 |
size = read(s->fd, buf, sizeof(buf));
|
3109 |
if (size > 0) { |
3110 |
qemu_send_packet(s->vc, buf, size); |
3111 |
} |
3112 |
} |
3113 |
|
3114 |
/* fd support */
|
3115 |
|
3116 |
static TAPState *net_tap_fd_init(VLANState *vlan, int fd) |
3117 |
{ |
3118 |
TAPState *s; |
3119 |
|
3120 |
s = qemu_mallocz(sizeof(TAPState));
|
3121 |
if (!s)
|
3122 |
return NULL; |
3123 |
s->fd = fd; |
3124 |
s->vc = qemu_new_vlan_client(vlan, tap_receive, NULL, s);
|
3125 |
qemu_set_fd_handler(s->fd, tap_send, NULL, s);
|
3126 |
snprintf(s->vc->info_str, sizeof(s->vc->info_str), "tap: fd=%d", fd); |
3127 |
return s;
|
3128 |
} |
3129 |
|
3130 |
#ifdef _BSD
|
3131 |
static int tap_open(char *ifname, int ifname_size) |
3132 |
{ |
3133 |
int fd;
|
3134 |
char *dev;
|
3135 |
struct stat s;
|
3136 |
|
3137 |
fd = open("/dev/tap", O_RDWR);
|
3138 |
if (fd < 0) { |
3139 |
fprintf(stderr, "warning: could not open /dev/tap: no virtual network emulation\n");
|
3140 |
return -1; |
3141 |
} |
3142 |
|
3143 |
fstat(fd, &s); |
3144 |
dev = devname(s.st_rdev, S_IFCHR); |
3145 |
pstrcpy(ifname, ifname_size, dev); |
3146 |
|
3147 |
fcntl(fd, F_SETFL, O_NONBLOCK); |
3148 |
return fd;
|
3149 |
} |
3150 |
#elif defined(__sun__)
|
3151 |
static int tap_open(char *ifname, int ifname_size) |
3152 |
{ |
3153 |
fprintf(stderr, "warning: tap_open not yet implemented\n");
|
3154 |
return -1; |
3155 |
} |
3156 |
#else
|
3157 |
static int tap_open(char *ifname, int ifname_size) |
3158 |
{ |
3159 |
struct ifreq ifr;
|
3160 |
int fd, ret;
|
3161 |
|
3162 |
fd = open("/dev/net/tun", O_RDWR);
|
3163 |
if (fd < 0) { |
3164 |
fprintf(stderr, "warning: could not open /dev/net/tun: no virtual network emulation\n");
|
3165 |
return -1; |
3166 |
} |
3167 |
memset(&ifr, 0, sizeof(ifr)); |
3168 |
ifr.ifr_flags = IFF_TAP | IFF_NO_PI; |
3169 |
if (ifname[0] != '\0') |
3170 |
pstrcpy(ifr.ifr_name, IFNAMSIZ, ifname); |
3171 |
else
|
3172 |
pstrcpy(ifr.ifr_name, IFNAMSIZ, "tap%d");
|
3173 |
ret = ioctl(fd, TUNSETIFF, (void *) &ifr);
|
3174 |
if (ret != 0) { |
3175 |
fprintf(stderr, "warning: could not configure /dev/net/tun: no virtual network emulation\n");
|
3176 |
close(fd); |
3177 |
return -1; |
3178 |
} |
3179 |
pstrcpy(ifname, ifname_size, ifr.ifr_name); |
3180 |
fcntl(fd, F_SETFL, O_NONBLOCK); |
3181 |
return fd;
|
3182 |
} |
3183 |
#endif
|
3184 |
|
3185 |
static int net_tap_init(VLANState *vlan, const char *ifname1, |
3186 |
const char *setup_script) |
3187 |
{ |
3188 |
TAPState *s; |
3189 |
int pid, status, fd;
|
3190 |
char *args[3]; |
3191 |
char **parg;
|
3192 |
char ifname[128]; |
3193 |
|
3194 |
if (ifname1 != NULL) |
3195 |
pstrcpy(ifname, sizeof(ifname), ifname1);
|
3196 |
else
|
3197 |
ifname[0] = '\0'; |
3198 |
fd = tap_open(ifname, sizeof(ifname));
|
3199 |
if (fd < 0) |
3200 |
return -1; |
3201 |
|
3202 |
if (!setup_script)
|
3203 |
setup_script = "";
|
3204 |
if (setup_script[0] != '\0') { |
3205 |
/* try to launch network init script */
|
3206 |
pid = fork(); |
3207 |
if (pid >= 0) { |
3208 |
if (pid == 0) { |
3209 |
parg = args; |
3210 |
*parg++ = (char *)setup_script;
|
3211 |
*parg++ = ifname; |
3212 |
*parg++ = NULL;
|
3213 |
execv(setup_script, args); |
3214 |
_exit(1);
|
3215 |
} |
3216 |
while (waitpid(pid, &status, 0) != pid); |
3217 |
if (!WIFEXITED(status) ||
|
3218 |
WEXITSTATUS(status) != 0) {
|
3219 |
fprintf(stderr, "%s: could not launch network script\n",
|
3220 |
setup_script); |
3221 |
return -1; |
3222 |
} |
3223 |
} |
3224 |
} |
3225 |
s = net_tap_fd_init(vlan, fd); |
3226 |
if (!s)
|
3227 |
return -1; |
3228 |
snprintf(s->vc->info_str, sizeof(s->vc->info_str),
|
3229 |
"tap: ifname=%s setup_script=%s", ifname, setup_script);
|
3230 |
return 0; |
3231 |
} |
3232 |
|
3233 |
#endif /* !_WIN32 */ |
3234 |
|
3235 |
/* network connection */
|
3236 |
typedef struct NetSocketState { |
3237 |
VLANClientState *vc; |
3238 |
int fd;
|
3239 |
int state; /* 0 = getting length, 1 = getting data */ |
3240 |
int index;
|
3241 |
int packet_len;
|
3242 |
uint8_t buf[4096];
|
3243 |
struct sockaddr_in dgram_dst; /* contains inet host and port destination iff connectionless (SOCK_DGRAM) */ |
3244 |
} NetSocketState; |
3245 |
|
3246 |
typedef struct NetSocketListenState { |
3247 |
VLANState *vlan; |
3248 |
int fd;
|
3249 |
} NetSocketListenState; |
3250 |
|
3251 |
/* XXX: we consider we can send the whole packet without blocking */
|
3252 |
static void net_socket_receive(void *opaque, const uint8_t *buf, int size) |
3253 |
{ |
3254 |
NetSocketState *s = opaque; |
3255 |
uint32_t len; |
3256 |
len = htonl(size); |
3257 |
|
3258 |
send_all(s->fd, (const uint8_t *)&len, sizeof(len)); |
3259 |
send_all(s->fd, buf, size); |
3260 |
} |
3261 |
|
3262 |
static void net_socket_receive_dgram(void *opaque, const uint8_t *buf, int size) |
3263 |
{ |
3264 |
NetSocketState *s = opaque; |
3265 |
sendto(s->fd, buf, size, 0,
|
3266 |
(struct sockaddr *)&s->dgram_dst, sizeof(s->dgram_dst)); |
3267 |
} |
3268 |
|
3269 |
static void net_socket_send(void *opaque) |
3270 |
{ |
3271 |
NetSocketState *s = opaque; |
3272 |
int l, size, err;
|
3273 |
uint8_t buf1[4096];
|
3274 |
const uint8_t *buf;
|
3275 |
|
3276 |
size = recv(s->fd, buf1, sizeof(buf1), 0); |
3277 |
if (size < 0) { |
3278 |
err = socket_error(); |
3279 |
if (err != EWOULDBLOCK)
|
3280 |
goto eoc;
|
3281 |
} else if (size == 0) { |
3282 |
/* end of connection */
|
3283 |
eoc:
|
3284 |
qemu_set_fd_handler(s->fd, NULL, NULL, NULL); |
3285 |
closesocket(s->fd); |
3286 |
return;
|
3287 |
} |
3288 |
buf = buf1; |
3289 |
while (size > 0) { |
3290 |
/* reassemble a packet from the network */
|
3291 |
switch(s->state) {
|
3292 |
case 0: |
3293 |
l = 4 - s->index;
|
3294 |
if (l > size)
|
3295 |
l = size; |
3296 |
memcpy(s->buf + s->index, buf, l); |
3297 |
buf += l; |
3298 |
size -= l; |
3299 |
s->index += l; |
3300 |
if (s->index == 4) { |
3301 |
/* got length */
|
3302 |
s->packet_len = ntohl(*(uint32_t *)s->buf); |
3303 |
s->index = 0;
|
3304 |
s->state = 1;
|
3305 |
} |
3306 |
break;
|
3307 |
case 1: |
3308 |
l = s->packet_len - s->index; |
3309 |
if (l > size)
|
3310 |
l = size; |
3311 |
memcpy(s->buf + s->index, buf, l); |
3312 |
s->index += l; |
3313 |
buf += l; |
3314 |
size -= l; |
3315 |
if (s->index >= s->packet_len) {
|
3316 |
qemu_send_packet(s->vc, s->buf, s->packet_len); |
3317 |
s->index = 0;
|
3318 |
s->state = 0;
|
3319 |
} |
3320 |
break;
|
3321 |
} |
3322 |
} |
3323 |
} |
3324 |
|
3325 |
static void net_socket_send_dgram(void *opaque) |
3326 |
{ |
3327 |
NetSocketState *s = opaque; |
3328 |
int size;
|
3329 |
|
3330 |
size = recv(s->fd, s->buf, sizeof(s->buf), 0); |
3331 |
if (size < 0) |
3332 |
return;
|
3333 |
if (size == 0) { |
3334 |
/* end of connection */
|
3335 |
qemu_set_fd_handler(s->fd, NULL, NULL, NULL); |
3336 |
return;
|
3337 |
} |
3338 |
qemu_send_packet(s->vc, s->buf, size); |
3339 |
} |
3340 |
|
3341 |
static int net_socket_mcast_create(struct sockaddr_in *mcastaddr) |
3342 |
{ |
3343 |
struct ip_mreq imr;
|
3344 |
int fd;
|
3345 |
int val, ret;
|
3346 |
if (!IN_MULTICAST(ntohl(mcastaddr->sin_addr.s_addr))) {
|
3347 |
fprintf(stderr, "qemu: error: specified mcastaddr \"%s\" (0x%08x) does not contain a multicast address\n",
|
3348 |
inet_ntoa(mcastaddr->sin_addr), |
3349 |
(int)ntohl(mcastaddr->sin_addr.s_addr));
|
3350 |
return -1; |
3351 |
|
3352 |
} |
3353 |
fd = socket(PF_INET, SOCK_DGRAM, 0);
|
3354 |
if (fd < 0) { |
3355 |
perror("socket(PF_INET, SOCK_DGRAM)");
|
3356 |
return -1; |
3357 |
} |
3358 |
|
3359 |
val = 1;
|
3360 |
ret=setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, |
3361 |
(const char *)&val, sizeof(val)); |
3362 |
if (ret < 0) { |
3363 |
perror("setsockopt(SOL_SOCKET, SO_REUSEADDR)");
|
3364 |
goto fail;
|
3365 |
} |
3366 |
|
3367 |
ret = bind(fd, (struct sockaddr *)mcastaddr, sizeof(*mcastaddr)); |
3368 |
if (ret < 0) { |
3369 |
perror("bind");
|
3370 |
goto fail;
|
3371 |
} |
3372 |
|
3373 |
/* Add host to multicast group */
|
3374 |
imr.imr_multiaddr = mcastaddr->sin_addr; |
3375 |
imr.imr_interface.s_addr = htonl(INADDR_ANY); |
3376 |
|
3377 |
ret = setsockopt(fd, IPPROTO_IP, IP_ADD_MEMBERSHIP, |
3378 |
(const char *)&imr, sizeof(struct ip_mreq)); |
3379 |
if (ret < 0) { |
3380 |
perror("setsockopt(IP_ADD_MEMBERSHIP)");
|
3381 |
goto fail;
|
3382 |
} |
3383 |
|
3384 |
/* Force mcast msgs to loopback (eg. several QEMUs in same host */
|
3385 |
val = 1;
|
3386 |
ret=setsockopt(fd, IPPROTO_IP, IP_MULTICAST_LOOP, |
3387 |
(const char *)&val, sizeof(val)); |
3388 |
if (ret < 0) { |
3389 |
perror("setsockopt(SOL_IP, IP_MULTICAST_LOOP)");
|
3390 |
goto fail;
|
3391 |
} |
3392 |
|
3393 |
socket_set_nonblock(fd); |
3394 |
return fd;
|
3395 |
fail:
|
3396 |
if (fd >= 0) |
3397 |
closesocket(fd); |
3398 |
return -1; |
3399 |
} |
3400 |
|
3401 |
static NetSocketState *net_socket_fd_init_dgram(VLANState *vlan, int fd, |
3402 |
int is_connected)
|
3403 |
{ |
3404 |
struct sockaddr_in saddr;
|
3405 |
int newfd;
|
3406 |
socklen_t saddr_len; |
3407 |
NetSocketState *s; |
3408 |
|
3409 |
/* fd passed: multicast: "learn" dgram_dst address from bound address and save it
|
3410 |
* Because this may be "shared" socket from a "master" process, datagrams would be recv()
|
3411 |
* by ONLY ONE process: we must "clone" this dgram socket --jjo
|
3412 |
*/
|
3413 |
|
3414 |
if (is_connected) {
|
3415 |
if (getsockname(fd, (struct sockaddr *) &saddr, &saddr_len) == 0) { |
3416 |
/* must be bound */
|
3417 |
if (saddr.sin_addr.s_addr==0) { |
3418 |
fprintf(stderr, "qemu: error: init_dgram: fd=%d unbound, cannot setup multicast dst addr\n",
|
3419 |
fd); |
3420 |
return NULL; |
3421 |
} |
3422 |
/* clone dgram socket */
|
3423 |
newfd = net_socket_mcast_create(&saddr); |
3424 |
if (newfd < 0) { |
3425 |
/* error already reported by net_socket_mcast_create() */
|
3426 |
close(fd); |
3427 |
return NULL; |
3428 |
} |
3429 |
/* clone newfd to fd, close newfd */
|
3430 |
dup2(newfd, fd); |
3431 |
close(newfd); |
3432 |
|
3433 |
} else {
|
3434 |
fprintf(stderr, "qemu: error: init_dgram: fd=%d failed getsockname(): %s\n",
|
3435 |
fd, strerror(errno)); |
3436 |
return NULL; |
3437 |
} |
3438 |
} |
3439 |
|
3440 |
s = qemu_mallocz(sizeof(NetSocketState));
|
3441 |
if (!s)
|
3442 |
return NULL; |
3443 |
s->fd = fd; |
3444 |
|
3445 |
s->vc = qemu_new_vlan_client(vlan, net_socket_receive_dgram, NULL, s);
|
3446 |
qemu_set_fd_handler(s->fd, net_socket_send_dgram, NULL, s);
|
3447 |
|
3448 |
/* mcast: save bound address as dst */
|
3449 |
if (is_connected) s->dgram_dst=saddr;
|
3450 |
|
3451 |
snprintf(s->vc->info_str, sizeof(s->vc->info_str),
|
3452 |
"socket: fd=%d (%s mcast=%s:%d)",
|
3453 |
fd, is_connected? "cloned" : "", |
3454 |
inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); |
3455 |
return s;
|
3456 |
} |
3457 |
|
3458 |
static void net_socket_connect(void *opaque) |
3459 |
{ |
3460 |
NetSocketState *s = opaque; |
3461 |
qemu_set_fd_handler(s->fd, net_socket_send, NULL, s);
|
3462 |
} |
3463 |
|
3464 |
static NetSocketState *net_socket_fd_init_stream(VLANState *vlan, int fd, |
3465 |
int is_connected)
|
3466 |
{ |
3467 |
NetSocketState *s; |
3468 |
s = qemu_mallocz(sizeof(NetSocketState));
|
3469 |
if (!s)
|
3470 |
return NULL; |
3471 |
s->fd = fd; |
3472 |
s->vc = qemu_new_vlan_client(vlan, |
3473 |
net_socket_receive, NULL, s);
|
3474 |
snprintf(s->vc->info_str, sizeof(s->vc->info_str),
|
3475 |
"socket: fd=%d", fd);
|
3476 |
if (is_connected) {
|
3477 |
net_socket_connect(s); |
3478 |
} else {
|
3479 |
qemu_set_fd_handler(s->fd, NULL, net_socket_connect, s);
|
3480 |
} |
3481 |
return s;
|
3482 |
} |
3483 |
|
3484 |
static NetSocketState *net_socket_fd_init(VLANState *vlan, int fd, |
3485 |
int is_connected)
|
3486 |
{ |
3487 |
int so_type=-1, optlen=sizeof(so_type); |
3488 |
|
3489 |
if(getsockopt(fd, SOL_SOCKET, SO_TYPE, (char *)&so_type, &optlen)< 0) { |
3490 |
fprintf(stderr, "qemu: error: setsockopt(SO_TYPE) for fd=%d failed\n", fd);
|
3491 |
return NULL; |
3492 |
} |
3493 |
switch(so_type) {
|
3494 |
case SOCK_DGRAM:
|
3495 |
return net_socket_fd_init_dgram(vlan, fd, is_connected);
|
3496 |
case SOCK_STREAM:
|
3497 |
return net_socket_fd_init_stream(vlan, fd, is_connected);
|
3498 |
default:
|
3499 |
/* who knows ... this could be a eg. a pty, do warn and continue as stream */
|
3500 |
fprintf(stderr, "qemu: warning: socket type=%d for fd=%d is not SOCK_DGRAM or SOCK_STREAM\n", so_type, fd);
|
3501 |
return net_socket_fd_init_stream(vlan, fd, is_connected);
|
3502 |
} |
3503 |
return NULL; |
3504 |
} |
3505 |
|
3506 |
static void net_socket_accept(void *opaque) |
3507 |
{ |
3508 |
NetSocketListenState *s = opaque; |
3509 |
NetSocketState *s1; |
3510 |
struct sockaddr_in saddr;
|
3511 |
socklen_t len; |
3512 |
int fd;
|
3513 |
|
3514 |
for(;;) {
|
3515 |
len = sizeof(saddr);
|
3516 |
fd = accept(s->fd, (struct sockaddr *)&saddr, &len);
|
3517 |
if (fd < 0 && errno != EINTR) { |
3518 |
return;
|
3519 |
} else if (fd >= 0) { |
3520 |
break;
|
3521 |
} |
3522 |
} |
3523 |
s1 = net_socket_fd_init(s->vlan, fd, 1);
|
3524 |
if (!s1) {
|
3525 |
closesocket(fd); |
3526 |
} else {
|
3527 |
snprintf(s1->vc->info_str, sizeof(s1->vc->info_str),
|
3528 |
"socket: connection from %s:%d",
|
3529 |
inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); |
3530 |
} |
3531 |
} |
3532 |
|
3533 |
static int net_socket_listen_init(VLANState *vlan, const char *host_str) |
3534 |
{ |
3535 |
NetSocketListenState *s; |
3536 |
int fd, val, ret;
|
3537 |
struct sockaddr_in saddr;
|
3538 |
|
3539 |
if (parse_host_port(&saddr, host_str) < 0) |
3540 |
return -1; |
3541 |
|
3542 |
s = qemu_mallocz(sizeof(NetSocketListenState));
|
3543 |
if (!s)
|
3544 |
return -1; |
3545 |
|
3546 |
fd = socket(PF_INET, SOCK_STREAM, 0);
|
3547 |
if (fd < 0) { |
3548 |
perror("socket");
|
3549 |
return -1; |
3550 |
} |
3551 |
socket_set_nonblock(fd); |
3552 |
|
3553 |
/* allow fast reuse */
|
3554 |
val = 1;
|
3555 |
setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (const char *)&val, sizeof(val)); |
3556 |
|
3557 |
ret = bind(fd, (struct sockaddr *)&saddr, sizeof(saddr)); |
3558 |
if (ret < 0) { |
3559 |
perror("bind");
|
3560 |
return -1; |
3561 |
} |
3562 |
ret = listen(fd, 0);
|
3563 |
if (ret < 0) { |
3564 |
perror("listen");
|
3565 |
return -1; |
3566 |
} |
3567 |
s->vlan = vlan; |
3568 |
s->fd = fd; |
3569 |
qemu_set_fd_handler(fd, net_socket_accept, NULL, s);
|
3570 |
return 0; |
3571 |
} |
3572 |
|
3573 |
static int net_socket_connect_init(VLANState *vlan, const char *host_str) |
3574 |
{ |
3575 |
NetSocketState *s; |
3576 |
int fd, connected, ret, err;
|
3577 |
struct sockaddr_in saddr;
|
3578 |
|
3579 |
if (parse_host_port(&saddr, host_str) < 0) |
3580 |
return -1; |
3581 |
|
3582 |
fd = socket(PF_INET, SOCK_STREAM, 0);
|
3583 |
if (fd < 0) { |
3584 |
perror("socket");
|
3585 |
return -1; |
3586 |
} |
3587 |
socket_set_nonblock(fd); |
3588 |
|
3589 |
connected = 0;
|
3590 |
for(;;) {
|
3591 |
ret = connect(fd, (struct sockaddr *)&saddr, sizeof(saddr)); |
3592 |
if (ret < 0) { |
3593 |
err = socket_error(); |
3594 |
if (err == EINTR || err == EWOULDBLOCK) {
|
3595 |
} else if (err == EINPROGRESS) { |
3596 |
break;
|
3597 |
} else {
|
3598 |
perror("connect");
|
3599 |
closesocket(fd); |
3600 |
return -1; |
3601 |
} |
3602 |
} else {
|
3603 |
connected = 1;
|
3604 |
break;
|
3605 |
} |
3606 |
} |
3607 |
s = net_socket_fd_init(vlan, fd, connected); |
3608 |
if (!s)
|
3609 |
return -1; |
3610 |
snprintf(s->vc->info_str, sizeof(s->vc->info_str),
|
3611 |
"socket: connect to %s:%d",
|
3612 |
inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); |
3613 |
return 0; |
3614 |
} |
3615 |
|
3616 |
static int net_socket_mcast_init(VLANState *vlan, const char *host_str) |
3617 |
{ |
3618 |
NetSocketState *s; |
3619 |
int fd;
|
3620 |
struct sockaddr_in saddr;
|
3621 |
|
3622 |
if (parse_host_port(&saddr, host_str) < 0) |
3623 |
return -1; |
3624 |
|
3625 |
|
3626 |
fd = net_socket_mcast_create(&saddr); |
3627 |
if (fd < 0) |
3628 |
return -1; |
3629 |
|
3630 |
s = net_socket_fd_init(vlan, fd, 0);
|
3631 |
if (!s)
|
3632 |
return -1; |
3633 |
|
3634 |
s->dgram_dst = saddr; |
3635 |
|
3636 |
snprintf(s->vc->info_str, sizeof(s->vc->info_str),
|
3637 |
"socket: mcast=%s:%d",
|
3638 |
inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); |
3639 |
return 0; |
3640 |
|
3641 |
} |
3642 |
|
3643 |
static int get_param_value(char *buf, int buf_size, |
3644 |
const char *tag, const char *str) |
3645 |
{ |
3646 |
const char *p; |
3647 |
char *q;
|
3648 |
char option[128]; |
3649 |
|
3650 |
p = str; |
3651 |
for(;;) {
|
3652 |
q = option; |
3653 |
while (*p != '\0' && *p != '=') { |
3654 |
if ((q - option) < sizeof(option) - 1) |
3655 |
*q++ = *p; |
3656 |
p++; |
3657 |
} |
3658 |
*q = '\0';
|
3659 |
if (*p != '=') |
3660 |
break;
|
3661 |
p++; |
3662 |
if (!strcmp(tag, option)) {
|
3663 |
q = buf; |
3664 |
while (*p != '\0' && *p != ',') { |
3665 |
if ((q - buf) < buf_size - 1) |
3666 |
*q++ = *p; |
3667 |
p++; |
3668 |
} |
3669 |
*q = '\0';
|
3670 |
return q - buf;
|
3671 |
} else {
|
3672 |
while (*p != '\0' && *p != ',') { |
3673 |
p++; |
3674 |
} |
3675 |
} |
3676 |
if (*p != ',') |
3677 |
break;
|
3678 |
p++; |
3679 |
} |
3680 |
return 0; |
3681 |
} |
3682 |
|
3683 |
int net_client_init(const char *str) |
3684 |
{ |
3685 |
const char *p; |
3686 |
char *q;
|
3687 |
char device[64]; |
3688 |
char buf[1024]; |
3689 |
int vlan_id, ret;
|
3690 |
VLANState *vlan; |
3691 |
|
3692 |
p = str; |
3693 |
q = device; |
3694 |
while (*p != '\0' && *p != ',') { |
3695 |
if ((q - device) < sizeof(device) - 1) |
3696 |
*q++ = *p; |
3697 |
p++; |
3698 |
} |
3699 |
*q = '\0';
|
3700 |
if (*p == ',') |
3701 |
p++; |
3702 |
vlan_id = 0;
|
3703 |
if (get_param_value(buf, sizeof(buf), "vlan", p)) { |
3704 |
vlan_id = strtol(buf, NULL, 0); |
3705 |
} |
3706 |
vlan = qemu_find_vlan(vlan_id); |
3707 |
if (!vlan) {
|
3708 |
fprintf(stderr, "Could not create vlan %d\n", vlan_id);
|
3709 |
return -1; |
3710 |
} |
3711 |
if (!strcmp(device, "nic")) { |
3712 |
NICInfo *nd; |
3713 |
uint8_t *macaddr; |
3714 |
|
3715 |
if (nb_nics >= MAX_NICS) {
|
3716 |
fprintf(stderr, "Too Many NICs\n");
|
3717 |
return -1; |
3718 |
} |
3719 |
nd = &nd_table[nb_nics]; |
3720 |
macaddr = nd->macaddr; |
3721 |
macaddr[0] = 0x52; |
3722 |
macaddr[1] = 0x54; |
3723 |
macaddr[2] = 0x00; |
3724 |
macaddr[3] = 0x12; |
3725 |
macaddr[4] = 0x34; |
3726 |
macaddr[5] = 0x56 + nb_nics; |
3727 |
|
3728 |
if (get_param_value(buf, sizeof(buf), "macaddr", p)) { |
3729 |
if (parse_macaddr(macaddr, buf) < 0) { |
3730 |
fprintf(stderr, "invalid syntax for ethernet address\n");
|
3731 |
return -1; |
3732 |
} |
3733 |
} |
3734 |
if (get_param_value(buf, sizeof(buf), "model", p)) { |
3735 |
nd->model = strdup(buf); |
3736 |
} |
3737 |
nd->vlan = vlan; |
3738 |
nb_nics++; |
3739 |
ret = 0;
|
3740 |
} else
|
3741 |
if (!strcmp(device, "none")) { |
3742 |
/* does nothing. It is needed to signal that no network cards
|
3743 |
are wanted */
|
3744 |
ret = 0;
|
3745 |
} else
|
3746 |
#ifdef CONFIG_SLIRP
|
3747 |
if (!strcmp(device, "user")) { |
3748 |
if (get_param_value(buf, sizeof(buf), "hostname", p)) { |
3749 |
pstrcpy(slirp_hostname, sizeof(slirp_hostname), buf);
|
3750 |
} |
3751 |
ret = net_slirp_init(vlan); |
3752 |
} else
|
3753 |
#endif
|
3754 |
#ifdef _WIN32
|
3755 |
if (!strcmp(device, "tap")) { |
3756 |
char ifname[64]; |
3757 |
if (get_param_value(ifname, sizeof(ifname), "ifname", p) <= 0) { |
3758 |
fprintf(stderr, "tap: no interface name\n");
|
3759 |
return -1; |
3760 |
} |
3761 |
ret = tap_win32_init(vlan, ifname); |
3762 |
} else
|
3763 |
#else
|
3764 |
if (!strcmp(device, "tap")) { |
3765 |
char ifname[64]; |
3766 |
char setup_script[1024]; |
3767 |
int fd;
|
3768 |
if (get_param_value(buf, sizeof(buf), "fd", p) > 0) { |
3769 |
fd = strtol(buf, NULL, 0); |
3770 |
ret = -1;
|
3771 |
if (net_tap_fd_init(vlan, fd))
|
3772 |
ret = 0;
|
3773 |
} else {
|
3774 |
get_param_value(ifname, sizeof(ifname), "ifname", p); |
3775 |
if (get_param_value(setup_script, sizeof(setup_script), "script", p) == 0) { |
3776 |
pstrcpy(setup_script, sizeof(setup_script), DEFAULT_NETWORK_SCRIPT);
|
3777 |
} |
3778 |
ret = net_tap_init(vlan, ifname, setup_script); |
3779 |
} |
3780 |
} else
|
3781 |
#endif
|
3782 |
if (!strcmp(device, "socket")) { |
3783 |
if (get_param_value(buf, sizeof(buf), "fd", p) > 0) { |
3784 |
int fd;
|
3785 |
fd = strtol(buf, NULL, 0); |
3786 |
ret = -1;
|
3787 |
if (net_socket_fd_init(vlan, fd, 1)) |
3788 |
ret = 0;
|
3789 |
} else if (get_param_value(buf, sizeof(buf), "listen", p) > 0) { |
3790 |
ret = net_socket_listen_init(vlan, buf); |
3791 |
} else if (get_param_value(buf, sizeof(buf), "connect", p) > 0) { |
3792 |
ret = net_socket_connect_init(vlan, buf); |
3793 |
} else if (get_param_value(buf, sizeof(buf), "mcast", p) > 0) { |
3794 |
ret = net_socket_mcast_init(vlan, buf); |
3795 |
} else {
|
3796 |
fprintf(stderr, "Unknown socket options: %s\n", p);
|
3797 |
return -1; |
3798 |
} |
3799 |
} else
|
3800 |
{ |
3801 |
fprintf(stderr, "Unknown network device: %s\n", device);
|
3802 |
return -1; |
3803 |
} |
3804 |
if (ret < 0) { |
3805 |
fprintf(stderr, "Could not initialize device '%s'\n", device);
|
3806 |
} |
3807 |
|
3808 |
return ret;
|
3809 |
} |
3810 |
|
3811 |
void do_info_network(void) |
3812 |
{ |
3813 |
VLANState *vlan; |
3814 |
VLANClientState *vc; |
3815 |
|
3816 |
for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) { |
3817 |
term_printf("VLAN %d devices:\n", vlan->id);
|
3818 |
for(vc = vlan->first_client; vc != NULL; vc = vc->next) |
3819 |
term_printf(" %s\n", vc->info_str);
|
3820 |
} |
3821 |
} |
3822 |
|
3823 |
/* Parse IDE and SCSI disk options */
|
3824 |
static int disk_options_init(int num_ide_disks, |
3825 |
char ide_disk_options[][DISK_OPTIONS_SIZE],
|
3826 |
int snapshot,
|
3827 |
int num_scsi_disks,
|
3828 |
char scsi_disk_options[][DISK_OPTIONS_SIZE],
|
3829 |
int cdrom_index,
|
3830 |
int cyls,
|
3831 |
int heads,
|
3832 |
int secs,
|
3833 |
int translation)
|
3834 |
{ |
3835 |
char buf[256]; |
3836 |
char dev_name[64]; |
3837 |
int id, i, j;
|
3838 |
int cdrom_device;
|
3839 |
int ide_cdrom_created = 0; |
3840 |
int scsi_index;
|
3841 |
scsi_host_adapters temp_adapter; |
3842 |
|
3843 |
/* Process any IDE disks/cdroms */
|
3844 |
for (i=0; i< num_ide_disks; i++) { |
3845 |
for (j=0; j<MAX_DISKS; j++) { |
3846 |
if (ide_disk_options[j][0] == '\0') |
3847 |
continue;
|
3848 |
|
3849 |
if (get_param_value(buf, sizeof(buf),"type",ide_disk_options[j])) { |
3850 |
if (!strcmp(buf, "disk")) { |
3851 |
cdrom_device = 0;
|
3852 |
} else if (!strcmp(buf, "cdrom")) { |
3853 |
cdrom_device = 1;
|
3854 |
ide_cdrom_created = 1;
|
3855 |
} else {
|
3856 |
fprintf(stderr, "qemu: invalid IDE disk type= value: %s\n", buf);
|
3857 |
return -1; |
3858 |
} |
3859 |
} else {
|
3860 |
cdrom_device = 0;
|
3861 |
} |
3862 |
|
3863 |
if (cdrom_device) {
|
3864 |
snprintf(dev_name, sizeof(dev_name), "cdrom%c", i); |
3865 |
} else {
|
3866 |
snprintf(dev_name, sizeof(dev_name), "hd%c", i + 'a'); |
3867 |
} |
3868 |
|
3869 |
if (!(get_param_value(buf, sizeof(buf),"img",ide_disk_options[j]))) { |
3870 |
fprintf(stderr, "qemu: missing IDE disk img= value.\n");
|
3871 |
return -1; |
3872 |
} |
3873 |
|
3874 |
if (!(bs_table[i] = bdrv_new(dev_name))) {
|
3875 |
fprintf(stderr, "qemu: unable to create new block device for:%s\n",dev_name);
|
3876 |
return -1; |
3877 |
} |
3878 |
|
3879 |
if (cdrom_device) {
|
3880 |
bdrv_set_type_hint(bs_table[i], BDRV_TYPE_CDROM); |
3881 |
} |
3882 |
|
3883 |
if (bdrv_open(bs_table[i], buf, snapshot ? BDRV_O_SNAPSHOT : 0) < 0) { |
3884 |
fprintf(stderr, "qemu: could not open hard disk image: '%s'\n",
|
3885 |
buf); |
3886 |
return -1; |
3887 |
} |
3888 |
if (i == 0 && cyls != 0) { |
3889 |
bdrv_set_geometry_hint(bs_table[i], cyls, heads, secs); |
3890 |
bdrv_set_translation_hint(bs_table[i], translation); |
3891 |
} |
3892 |
ide_disk_options[j][0] = '\0'; |
3893 |
|
3894 |
if (i == cdrom_index) {
|
3895 |
cdrom_index = -1;
|
3896 |
} |
3897 |
break; /* finished with this IDE device*/ |
3898 |
} |
3899 |
} |
3900 |
|
3901 |
if (cdrom_index >= 0 && (!ide_cdrom_created)) { |
3902 |
bs_table[cdrom_index] = bdrv_new("cdrom");
|
3903 |
bdrv_set_type_hint(bs_table[cdrom_index], BDRV_TYPE_CDROM); |
3904 |
} |
3905 |
|
3906 |
for(i = 0; i < num_scsi_disks; i++) { |
3907 |
|
3908 |
temp_adapter = SCSI_LSI_53C895A; |
3909 |
scsi_hba_lsi++; |
3910 |
|
3911 |
/*Check for sdx= parameter */
|
3912 |
if (get_param_value(buf, sizeof(buf), "sdx", scsi_disk_options[i])) { |
3913 |
if (buf[0] >= 'a' && buf[0] <= 'g') { |
3914 |
scsi_index = buf[0] - 'a'; |
3915 |
} else{
|
3916 |
fprintf(stderr, "qemu: sdx= option for SCSI must be one letter from a-g. %s \n",buf);
|
3917 |
exit(1);
|
3918 |
} |
3919 |
} else {
|
3920 |
scsi_index = 0;
|
3921 |
} |
3922 |
|
3923 |
/* Check for SCSI id specified. */
|
3924 |
if (get_param_value(buf, sizeof(buf),"id",scsi_disk_options[i])) { |
3925 |
id = strtol(buf, NULL, 0); |
3926 |
if (id < 0 || id > 6) { |
3927 |
fprintf(stderr, "qemu: SCSI id must be from 0-6: %d\n", id);
|
3928 |
return -1; |
3929 |
} |
3930 |
/* Check if id already used */
|
3931 |
for(j = 0; j < MAX_SCSI_DISKS; j++) { |
3932 |
if (scsi_disks_info[j].device_type != SCSI_NONE &&
|
3933 |
j != i && |
3934 |
scsi_disks_info[j].adapter == temp_adapter && |
3935 |
scsi_disks_info[j].id == id ) { |
3936 |
fprintf(stderr, "qemu: SCSI id already used: %u\n", id);
|
3937 |
return -1; |
3938 |
} |
3939 |
} |
3940 |
} else {
|
3941 |
id = -1;
|
3942 |
} |
3943 |
scsi_disks_info[i].adapter = temp_adapter; |
3944 |
scsi_disks_info[i].id = id; |
3945 |
|
3946 |
if (get_param_value(buf, sizeof(buf),"type",scsi_disk_options[i])) { |
3947 |
if (!strcmp(buf, "disk")) { |
3948 |
cdrom_device = 0;
|
3949 |
} else if (!strcmp(buf, "cdrom")) { |
3950 |
cdrom_device = 1;
|
3951 |
} else {
|
3952 |
fprintf(stderr, "qemu: invalid SCSI disk type= value: %s\n", buf);
|
3953 |
return -1; |
3954 |
} |
3955 |
} else {
|
3956 |
cdrom_device = 0;
|
3957 |
} |
3958 |
|
3959 |
if (cdrom_device) {
|
3960 |
snprintf(dev_name, sizeof(buf), "cdrom%c", scsi_index); |
3961 |
scsi_disks_info[scsi_index].device_type = SCSI_CDROM; |
3962 |
} else {
|
3963 |
snprintf(dev_name, sizeof(buf), "sd%c", scsi_index + 'a'); |
3964 |
scsi_disks_info[scsi_index].device_type = SCSI_DISK; |
3965 |
} |
3966 |
|
3967 |
if (!(bs_scsi_table[scsi_index] = bdrv_new(dev_name))) {
|
3968 |
fprintf(stderr, "qemu: unable to create new block device for:%s\n",dev_name);
|
3969 |
return -1; |
3970 |
} |
3971 |
|
3972 |
/* Get image filename from options and then try to open it */
|
3973 |
if (get_param_value(buf, sizeof(buf),"img",scsi_disk_options[i])) { |
3974 |
if (bdrv_open(bs_scsi_table[scsi_index], buf, 0) < 0) { |
3975 |
fprintf(stderr, "qemu: could not open SCSI disk image img='%s'\n",buf);
|
3976 |
return -1; |
3977 |
} |
3978 |
} else {
|
3979 |
fprintf(stderr, "qemu: SCSI disk image not specified for sd%c \n", i + 'a'); |
3980 |
return -1; |
3981 |
} |
3982 |
} |
3983 |
|
3984 |
return 0; |
3985 |
} |
3986 |
|
3987 |
|
3988 |
/***********************************************************/
|
3989 |
/* USB devices */
|
3990 |
|
3991 |
static USBPort *used_usb_ports;
|
3992 |
static USBPort *free_usb_ports;
|
3993 |
|
3994 |
/* ??? Maybe change this to register a hub to keep track of the topology. */
|
3995 |
void qemu_register_usb_port(USBPort *port, void *opaque, int index, |
3996 |
usb_attachfn attach) |
3997 |
{ |
3998 |
port->opaque = opaque; |
3999 |
port->index = index; |
4000 |
port->attach = attach; |
4001 |
port->next = free_usb_ports; |
4002 |
free_usb_ports = port; |
4003 |
} |
4004 |
|
4005 |
static int usb_device_add(const char *devname) |
4006 |
{ |
4007 |
const char *p; |
4008 |
USBDevice *dev; |
4009 |
USBPort *port; |
4010 |
|
4011 |
if (!free_usb_ports)
|
4012 |
return -1; |
4013 |
|
4014 |
if (strstart(devname, "host:", &p)) { |
4015 |
dev = usb_host_device_open(p); |
4016 |
} else if (!strcmp(devname, "mouse")) { |
4017 |
dev = usb_mouse_init(); |
4018 |
} else if (!strcmp(devname, "tablet")) { |
4019 |
dev = usb_tablet_init(); |
4020 |
} else if (strstart(devname, "disk:", &p)) { |
4021 |
dev = usb_msd_init(p); |
4022 |
} else {
|
4023 |
return -1; |
4024 |
} |
4025 |
if (!dev)
|
4026 |
return -1; |
4027 |
|
4028 |
/* Find a USB port to add the device to. */
|
4029 |
port = free_usb_ports; |
4030 |
if (!port->next) {
|
4031 |
USBDevice *hub; |
4032 |
|
4033 |
/* Create a new hub and chain it on. */
|
4034 |
free_usb_ports = NULL;
|
4035 |
port->next = used_usb_ports; |
4036 |
used_usb_ports = port; |
4037 |
|
4038 |
hub = usb_hub_init(VM_USB_HUB_SIZE); |
4039 |
usb_attach(port, hub); |
4040 |
port = free_usb_ports; |
4041 |
} |
4042 |
|
4043 |
free_usb_ports = port->next; |
4044 |
port->next = used_usb_ports; |
4045 |
used_usb_ports = port; |
4046 |
usb_attach(port, dev); |
4047 |
return 0; |
4048 |
} |
4049 |
|
4050 |
static int usb_device_del(const char *devname) |
4051 |
{ |
4052 |
USBPort *port; |
4053 |
USBPort **lastp; |
4054 |
USBDevice *dev; |
4055 |
int bus_num, addr;
|
4056 |
const char *p; |
4057 |
|
4058 |
if (!used_usb_ports)
|
4059 |
return -1; |
4060 |
|
4061 |
p = strchr(devname, '.');
|
4062 |
if (!p)
|
4063 |
return -1; |
4064 |
bus_num = strtoul(devname, NULL, 0); |
4065 |
addr = strtoul(p + 1, NULL, 0); |
4066 |
if (bus_num != 0) |
4067 |
return -1; |
4068 |
|
4069 |
lastp = &used_usb_ports; |
4070 |
port = used_usb_ports; |
4071 |
while (port && port->dev->addr != addr) {
|
4072 |
lastp = &port->next; |
4073 |
port = port->next; |
4074 |
} |
4075 |
|
4076 |
if (!port)
|
4077 |
return -1; |
4078 |
|
4079 |
dev = port->dev; |
4080 |
*lastp = port->next; |
4081 |
usb_attach(port, NULL);
|
4082 |
dev->handle_destroy(dev); |
4083 |
port->next = free_usb_ports; |
4084 |
free_usb_ports = port; |
4085 |
return 0; |
4086 |
} |
4087 |
|
4088 |
void do_usb_add(const char *devname) |
4089 |
{ |
4090 |
int ret;
|
4091 |
ret = usb_device_add(devname); |
4092 |
if (ret < 0) |
4093 |
term_printf("Could not add USB device '%s'\n", devname);
|
4094 |
} |
4095 |
|
4096 |
void do_usb_del(const char *devname) |
4097 |
{ |
4098 |
int ret;
|
4099 |
ret = usb_device_del(devname); |
4100 |
if (ret < 0) |
4101 |
term_printf("Could not remove USB device '%s'\n", devname);
|
4102 |
} |
4103 |
|
4104 |
void usb_info(void) |
4105 |
{ |
4106 |
USBDevice *dev; |
4107 |
USBPort *port; |
4108 |
const char *speed_str; |
4109 |
|
4110 |
if (!usb_enabled) {
|
4111 |
term_printf("USB support not enabled\n");
|
4112 |
return;
|
4113 |
} |
4114 |
|
4115 |
for (port = used_usb_ports; port; port = port->next) {
|
4116 |
dev = port->dev; |
4117 |
if (!dev)
|
4118 |
continue;
|
4119 |
switch(dev->speed) {
|
4120 |
case USB_SPEED_LOW:
|
4121 |
speed_str = "1.5";
|
4122 |
break;
|
4123 |
case USB_SPEED_FULL:
|
4124 |
speed_str = "12";
|
4125 |
break;
|
4126 |
case USB_SPEED_HIGH:
|
4127 |
speed_str = "480";
|
4128 |
break;
|
4129 |
default:
|
4130 |
speed_str = "?";
|
4131 |
break;
|
4132 |
} |
4133 |
term_printf(" Device %d.%d, Speed %s Mb/s, Product %s\n",
|
4134 |
0, dev->addr, speed_str, dev->devname);
|
4135 |
} |
4136 |
} |
4137 |
|
4138 |
/***********************************************************/
|
4139 |
/* pid file */
|
4140 |
|
4141 |
static char *pid_filename; |
4142 |
|
4143 |
/* Remove PID file. Called on normal exit */
|
4144 |
|
4145 |
static void remove_pidfile(void) |
4146 |
{ |
4147 |
unlink (pid_filename); |
4148 |
} |
4149 |
|
4150 |
static void create_pidfile(const char *filename) |
4151 |
{ |
4152 |
struct stat pidstat;
|
4153 |
FILE *f; |
4154 |
|
4155 |
/* Try to write our PID to the named file */
|
4156 |
if (stat(filename, &pidstat) < 0) { |
4157 |
if (errno == ENOENT) {
|
4158 |
if ((f = fopen (filename, "w")) == NULL) { |
4159 |
perror("Opening pidfile");
|
4160 |
exit(1);
|
4161 |
} |
4162 |
fprintf(f, "%d\n", getpid());
|
4163 |
fclose(f); |
4164 |
pid_filename = qemu_strdup(filename); |
4165 |
if (!pid_filename) {
|
4166 |
fprintf(stderr, "Could not save PID filename");
|
4167 |
exit(1);
|
4168 |
} |
4169 |
atexit(remove_pidfile); |
4170 |
} |
4171 |
} else {
|
4172 |
fprintf(stderr, "%s already exists. Remove it and try again.\n",
|
4173 |
filename); |
4174 |
exit(1);
|
4175 |
} |
4176 |
} |
4177 |
|
4178 |
/***********************************************************/
|
4179 |
/* dumb display */
|
4180 |
|
4181 |
static void dumb_update(DisplayState *ds, int x, int y, int w, int h) |
4182 |
{ |
4183 |
} |
4184 |
|
4185 |
static void dumb_resize(DisplayState *ds, int w, int h) |
4186 |
{ |
4187 |
} |
4188 |
|
4189 |
static void dumb_refresh(DisplayState *ds) |
4190 |
{ |
4191 |
vga_hw_update(); |
4192 |
} |
4193 |
|
4194 |
void dumb_display_init(DisplayState *ds)
|
4195 |
{ |
4196 |
ds->data = NULL;
|
4197 |
ds->linesize = 0;
|
4198 |
ds->depth = 0;
|
4199 |
ds->dpy_update = dumb_update; |
4200 |
ds->dpy_resize = dumb_resize; |
4201 |
ds->dpy_refresh = dumb_refresh; |
4202 |
} |
4203 |
|
4204 |
/***********************************************************/
|
4205 |
/* I/O handling */
|
4206 |
|
4207 |
#define MAX_IO_HANDLERS 64 |
4208 |
|
4209 |
typedef struct IOHandlerRecord { |
4210 |
int fd;
|
4211 |
IOCanRWHandler *fd_read_poll; |
4212 |
IOHandler *fd_read; |
4213 |
IOHandler *fd_write; |
4214 |
void *opaque;
|
4215 |
/* temporary data */
|
4216 |
struct pollfd *ufd;
|
4217 |
struct IOHandlerRecord *next;
|
4218 |
} IOHandlerRecord; |
4219 |
|
4220 |
static IOHandlerRecord *first_io_handler;
|
4221 |
|
4222 |
/* XXX: fd_read_poll should be suppressed, but an API change is
|
4223 |
necessary in the character devices to suppress fd_can_read(). */
|
4224 |
int qemu_set_fd_handler2(int fd, |
4225 |
IOCanRWHandler *fd_read_poll, |
4226 |
IOHandler *fd_read, |
4227 |
IOHandler *fd_write, |
4228 |
void *opaque)
|
4229 |
{ |
4230 |
IOHandlerRecord **pioh, *ioh; |
4231 |
|
4232 |
if (!fd_read && !fd_write) {
|
4233 |
pioh = &first_io_handler; |
4234 |
for(;;) {
|
4235 |
ioh = *pioh; |
4236 |
if (ioh == NULL) |
4237 |
break;
|
4238 |
if (ioh->fd == fd) {
|
4239 |
*pioh = ioh->next; |
4240 |
qemu_free(ioh); |
4241 |
break;
|
4242 |
} |
4243 |
pioh = &ioh->next; |
4244 |
} |
4245 |
} else {
|
4246 |
for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { |
4247 |
if (ioh->fd == fd)
|
4248 |
goto found;
|
4249 |
} |
4250 |
ioh = qemu_mallocz(sizeof(IOHandlerRecord));
|
4251 |
if (!ioh)
|
4252 |
return -1; |
4253 |
ioh->next = first_io_handler; |
4254 |
first_io_handler = ioh; |
4255 |
found:
|
4256 |
ioh->fd = fd; |
4257 |
ioh->fd_read_poll = fd_read_poll; |
4258 |
ioh->fd_read = fd_read; |
4259 |
ioh->fd_write = fd_write; |
4260 |
ioh->opaque = opaque; |
4261 |
} |
4262 |
return 0; |
4263 |
} |
4264 |
|
4265 |
int qemu_set_fd_handler(int fd, |
4266 |
IOHandler *fd_read, |
4267 |
IOHandler *fd_write, |
4268 |
void *opaque)
|
4269 |
{ |
4270 |
return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque); |
4271 |
} |
4272 |
|
4273 |
/***********************************************************/
|
4274 |
/* Polling handling */
|
4275 |
|
4276 |
typedef struct PollingEntry { |
4277 |
PollingFunc *func; |
4278 |
void *opaque;
|
4279 |
struct PollingEntry *next;
|
4280 |
} PollingEntry; |
4281 |
|
4282 |
static PollingEntry *first_polling_entry;
|
4283 |
|
4284 |
int qemu_add_polling_cb(PollingFunc *func, void *opaque) |
4285 |
{ |
4286 |
PollingEntry **ppe, *pe; |
4287 |
pe = qemu_mallocz(sizeof(PollingEntry));
|
4288 |
if (!pe)
|
4289 |
return -1; |
4290 |
pe->func = func; |
4291 |
pe->opaque = opaque; |
4292 |
for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next); |
4293 |
*ppe = pe; |
4294 |
return 0; |
4295 |
} |
4296 |
|
4297 |
void qemu_del_polling_cb(PollingFunc *func, void *opaque) |
4298 |
{ |
4299 |
PollingEntry **ppe, *pe; |
4300 |
for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next) { |
4301 |
pe = *ppe; |
4302 |
if (pe->func == func && pe->opaque == opaque) {
|
4303 |
*ppe = pe->next; |
4304 |
qemu_free(pe); |
4305 |
break;
|
4306 |
} |
4307 |
} |
4308 |
} |
4309 |
|
4310 |
#ifdef _WIN32
|
4311 |
/***********************************************************/
|
4312 |
/* Wait objects support */
|
4313 |
typedef struct WaitObjects { |
4314 |
int num;
|
4315 |
HANDLE events[MAXIMUM_WAIT_OBJECTS + 1];
|
4316 |
WaitObjectFunc *func[MAXIMUM_WAIT_OBJECTS + 1];
|
4317 |
void *opaque[MAXIMUM_WAIT_OBJECTS + 1]; |
4318 |
} WaitObjects; |
4319 |
|
4320 |
static WaitObjects wait_objects = {0}; |
4321 |
|
4322 |
int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque) |
4323 |
{ |
4324 |
WaitObjects *w = &wait_objects; |
4325 |
|
4326 |
if (w->num >= MAXIMUM_WAIT_OBJECTS)
|
4327 |
return -1; |
4328 |
w->events[w->num] = handle; |
4329 |
w->func[w->num] = func; |
4330 |
w->opaque[w->num] = opaque; |
4331 |
w->num++; |
4332 |
return 0; |
4333 |
} |
4334 |
|
4335 |
void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque) |
4336 |
{ |
4337 |
int i, found;
|
4338 |
WaitObjects *w = &wait_objects; |
4339 |
|
4340 |
found = 0;
|
4341 |
for (i = 0; i < w->num; i++) { |
4342 |
if (w->events[i] == handle)
|
4343 |
found = 1;
|
4344 |
if (found) {
|
4345 |
w->events[i] = w->events[i + 1];
|
4346 |
w->func[i] = w->func[i + 1];
|
4347 |
w->opaque[i] = w->opaque[i + 1];
|
4348 |
} |
4349 |
} |
4350 |
if (found)
|
4351 |
w->num--; |
4352 |
} |
4353 |
#endif
|
4354 |
|
4355 |
/***********************************************************/
|
4356 |
/* savevm/loadvm support */
|
4357 |
|
4358 |
#define IO_BUF_SIZE 32768 |
4359 |
|
4360 |
struct QEMUFile {
|
4361 |
FILE *outfile; |
4362 |
BlockDriverState *bs; |
4363 |
int is_file;
|
4364 |
int is_writable;
|
4365 |
int64_t base_offset; |
4366 |
int64_t buf_offset; /* start of buffer when writing, end of buffer
|
4367 |
when reading */
|
4368 |
int buf_index;
|
4369 |
int buf_size; /* 0 when writing */ |
4370 |
uint8_t buf[IO_BUF_SIZE]; |
4371 |
}; |
4372 |
|
4373 |
QEMUFile *qemu_fopen(const char *filename, const char *mode) |
4374 |
{ |
4375 |
QEMUFile *f; |
4376 |
|
4377 |
f = qemu_mallocz(sizeof(QEMUFile));
|
4378 |
if (!f)
|
4379 |
return NULL; |
4380 |
if (!strcmp(mode, "wb")) { |
4381 |
f->is_writable = 1;
|
4382 |
} else if (!strcmp(mode, "rb")) { |
4383 |
f->is_writable = 0;
|
4384 |
} else {
|
4385 |
goto fail;
|
4386 |
} |
4387 |
f->outfile = fopen(filename, mode); |
4388 |
if (!f->outfile)
|
4389 |
goto fail;
|
4390 |
f->is_file = 1;
|
4391 |
return f;
|
4392 |
fail:
|
4393 |
if (f->outfile)
|
4394 |
fclose(f->outfile); |
4395 |
qemu_free(f); |
4396 |
return NULL; |
4397 |
} |
4398 |
|
4399 |
QEMUFile *qemu_fopen_bdrv(BlockDriverState *bs, int64_t offset, int is_writable)
|
4400 |
{ |
4401 |
QEMUFile *f; |
4402 |
|
4403 |
f = qemu_mallocz(sizeof(QEMUFile));
|
4404 |
if (!f)
|
4405 |
return NULL; |
4406 |
f->is_file = 0;
|
4407 |
f->bs = bs; |
4408 |
f->is_writable = is_writable; |
4409 |
f->base_offset = offset; |
4410 |
return f;
|
4411 |
} |
4412 |
|
4413 |
void qemu_fflush(QEMUFile *f)
|
4414 |
{ |
4415 |
if (!f->is_writable)
|
4416 |
return;
|
4417 |
if (f->buf_index > 0) { |
4418 |
if (f->is_file) {
|
4419 |
fseek(f->outfile, f->buf_offset, SEEK_SET); |
4420 |
fwrite(f->buf, 1, f->buf_index, f->outfile);
|
4421 |
} else {
|
4422 |
bdrv_pwrite(f->bs, f->base_offset + f->buf_offset, |
4423 |
f->buf, f->buf_index); |
4424 |
} |
4425 |
f->buf_offset += f->buf_index; |
4426 |
f->buf_index = 0;
|
4427 |
} |
4428 |
} |
4429 |
|
4430 |
static void qemu_fill_buffer(QEMUFile *f) |
4431 |
{ |
4432 |
int len;
|
4433 |
|
4434 |
if (f->is_writable)
|
4435 |
return;
|
4436 |
if (f->is_file) {
|
4437 |
fseek(f->outfile, f->buf_offset, SEEK_SET); |
4438 |
len = fread(f->buf, 1, IO_BUF_SIZE, f->outfile);
|
4439 |
if (len < 0) |
4440 |
len = 0;
|
4441 |
} else {
|
4442 |
len = bdrv_pread(f->bs, f->base_offset + f->buf_offset, |
4443 |
f->buf, IO_BUF_SIZE); |
4444 |
if (len < 0) |
4445 |
len = 0;
|
4446 |
} |
4447 |
f->buf_index = 0;
|
4448 |
f->buf_size = len; |
4449 |
f->buf_offset += len; |
4450 |
} |
4451 |
|
4452 |
void qemu_fclose(QEMUFile *f)
|
4453 |
{ |
4454 |
if (f->is_writable)
|
4455 |
qemu_fflush(f); |
4456 |
if (f->is_file) {
|
4457 |
fclose(f->outfile); |
4458 |
} |
4459 |
qemu_free(f); |
4460 |
} |
4461 |
|
4462 |
void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size) |
4463 |
{ |
4464 |
int l;
|
4465 |
while (size > 0) { |
4466 |
l = IO_BUF_SIZE - f->buf_index; |
4467 |
if (l > size)
|
4468 |
l = size; |
4469 |
memcpy(f->buf + f->buf_index, buf, l); |
4470 |
f->buf_index += l; |
4471 |
buf += l; |
4472 |
size -= l; |
4473 |
if (f->buf_index >= IO_BUF_SIZE)
|
4474 |
qemu_fflush(f); |
4475 |
} |
4476 |
} |
4477 |
|
4478 |
void qemu_put_byte(QEMUFile *f, int v) |
4479 |
{ |
4480 |
f->buf[f->buf_index++] = v; |
4481 |
if (f->buf_index >= IO_BUF_SIZE)
|
4482 |
qemu_fflush(f); |
4483 |
} |
4484 |
|
4485 |
int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size1) |
4486 |
{ |
4487 |
int size, l;
|
4488 |
|
4489 |
size = size1; |
4490 |
while (size > 0) { |
4491 |
l = f->buf_size - f->buf_index; |
4492 |
if (l == 0) { |
4493 |
qemu_fill_buffer(f); |
4494 |
l = f->buf_size - f->buf_index; |
4495 |
if (l == 0) |
4496 |
break;
|
4497 |
} |
4498 |
if (l > size)
|
4499 |
l = size; |
4500 |
memcpy(buf, f->buf + f->buf_index, l); |
4501 |
f->buf_index += l; |
4502 |
buf += l; |
4503 |
size -= l; |
4504 |
} |
4505 |
return size1 - size;
|
4506 |
} |
4507 |
|
4508 |
int qemu_get_byte(QEMUFile *f)
|
4509 |
{ |
4510 |
if (f->buf_index >= f->buf_size) {
|
4511 |
qemu_fill_buffer(f); |
4512 |
if (f->buf_index >= f->buf_size)
|
4513 |
return 0; |
4514 |
} |
4515 |
return f->buf[f->buf_index++];
|
4516 |
} |
4517 |
|
4518 |
int64_t qemu_ftell(QEMUFile *f) |
4519 |
{ |
4520 |
return f->buf_offset - f->buf_size + f->buf_index;
|
4521 |
} |
4522 |
|
4523 |
int64_t qemu_fseek(QEMUFile *f, int64_t pos, int whence)
|
4524 |
{ |
4525 |
if (whence == SEEK_SET) {
|
4526 |
/* nothing to do */
|
4527 |
} else if (whence == SEEK_CUR) { |
4528 |
pos += qemu_ftell(f); |
4529 |
} else {
|
4530 |
/* SEEK_END not supported */
|
4531 |
return -1; |
4532 |
} |
4533 |
if (f->is_writable) {
|
4534 |
qemu_fflush(f); |
4535 |
f->buf_offset = pos; |
4536 |
} else {
|
4537 |
f->buf_offset = pos; |
4538 |
f->buf_index = 0;
|
4539 |
f->buf_size = 0;
|
4540 |
} |
4541 |
return pos;
|
4542 |
} |
4543 |
|
4544 |
void qemu_put_be16(QEMUFile *f, unsigned int v) |
4545 |
{ |
4546 |
qemu_put_byte(f, v >> 8);
|
4547 |
qemu_put_byte(f, v); |
4548 |
} |
4549 |
|
4550 |
void qemu_put_be32(QEMUFile *f, unsigned int v) |
4551 |
{ |
4552 |
qemu_put_byte(f, v >> 24);
|
4553 |
qemu_put_byte(f, v >> 16);
|
4554 |
qemu_put_byte(f, v >> 8);
|
4555 |
qemu_put_byte(f, v); |
4556 |
} |
4557 |
|
4558 |
void qemu_put_be64(QEMUFile *f, uint64_t v)
|
4559 |
{ |
4560 |
qemu_put_be32(f, v >> 32);
|
4561 |
qemu_put_be32(f, v); |
4562 |
} |
4563 |
|
4564 |
unsigned int qemu_get_be16(QEMUFile *f) |
4565 |
{ |
4566 |
unsigned int v; |
4567 |
v = qemu_get_byte(f) << 8;
|
4568 |
v |= qemu_get_byte(f); |
4569 |
return v;
|
4570 |
} |
4571 |
|
4572 |
unsigned int qemu_get_be32(QEMUFile *f) |
4573 |
{ |
4574 |
unsigned int v; |
4575 |
v = qemu_get_byte(f) << 24;
|
4576 |
v |= qemu_get_byte(f) << 16;
|
4577 |
v |= qemu_get_byte(f) << 8;
|
4578 |
v |= qemu_get_byte(f); |
4579 |
return v;
|
4580 |
} |
4581 |
|
4582 |
uint64_t qemu_get_be64(QEMUFile *f) |
4583 |
{ |
4584 |
uint64_t v; |
4585 |
v = (uint64_t)qemu_get_be32(f) << 32;
|
4586 |
v |= qemu_get_be32(f); |
4587 |
return v;
|
4588 |
} |
4589 |
|
4590 |
typedef struct SaveStateEntry { |
4591 |
char idstr[256]; |
4592 |
int instance_id;
|
4593 |
int version_id;
|
4594 |
SaveStateHandler *save_state; |
4595 |
LoadStateHandler *load_state; |
4596 |
void *opaque;
|
4597 |
struct SaveStateEntry *next;
|
4598 |
} SaveStateEntry; |
4599 |
|
4600 |
static SaveStateEntry *first_se;
|
4601 |
|
4602 |
int register_savevm(const char *idstr, |
4603 |
int instance_id,
|
4604 |
int version_id,
|
4605 |
SaveStateHandler *save_state, |
4606 |
LoadStateHandler *load_state, |
4607 |
void *opaque)
|
4608 |
{ |
4609 |
SaveStateEntry *se, **pse; |
4610 |
|
4611 |
se = qemu_malloc(sizeof(SaveStateEntry));
|
4612 |
if (!se)
|
4613 |
return -1; |
4614 |
pstrcpy(se->idstr, sizeof(se->idstr), idstr);
|
4615 |
se->instance_id = instance_id; |
4616 |
se->version_id = version_id; |
4617 |
se->save_state = save_state; |
4618 |
se->load_state = load_state; |
4619 |
se->opaque = opaque; |
4620 |
se->next = NULL;
|
4621 |
|
4622 |
/* add at the end of list */
|
4623 |
pse = &first_se; |
4624 |
while (*pse != NULL) |
4625 |
pse = &(*pse)->next; |
4626 |
*pse = se; |
4627 |
return 0; |
4628 |
} |
4629 |
|
4630 |
#define QEMU_VM_FILE_MAGIC 0x5145564d |
4631 |
#define QEMU_VM_FILE_VERSION 0x00000002 |
4632 |
|
4633 |
int qemu_savevm_state(QEMUFile *f)
|
4634 |
{ |
4635 |
SaveStateEntry *se; |
4636 |
int len, ret;
|
4637 |
int64_t cur_pos, len_pos, total_len_pos; |
4638 |
|
4639 |
qemu_put_be32(f, QEMU_VM_FILE_MAGIC); |
4640 |
qemu_put_be32(f, QEMU_VM_FILE_VERSION); |
4641 |
total_len_pos = qemu_ftell(f); |
4642 |
qemu_put_be64(f, 0); /* total size */ |
4643 |
|
4644 |
for(se = first_se; se != NULL; se = se->next) { |
4645 |
/* ID string */
|
4646 |
len = strlen(se->idstr); |
4647 |
qemu_put_byte(f, len); |
4648 |
qemu_put_buffer(f, se->idstr, len); |
4649 |
|
4650 |
qemu_put_be32(f, se->instance_id); |
4651 |
qemu_put_be32(f, se->version_id); |
4652 |
|
4653 |
/* record size: filled later */
|
4654 |
len_pos = qemu_ftell(f); |
4655 |
qemu_put_be32(f, 0);
|
4656 |
|
4657 |
se->save_state(f, se->opaque); |
4658 |
|
4659 |
/* fill record size */
|
4660 |
cur_pos = qemu_ftell(f); |
4661 |
len = cur_pos - len_pos - 4;
|
4662 |
qemu_fseek(f, len_pos, SEEK_SET); |
4663 |
qemu_put_be32(f, len); |
4664 |
qemu_fseek(f, cur_pos, SEEK_SET); |
4665 |
} |
4666 |
cur_pos = qemu_ftell(f); |
4667 |
qemu_fseek(f, total_len_pos, SEEK_SET); |
4668 |
qemu_put_be64(f, cur_pos - total_len_pos - 8);
|
4669 |
qemu_fseek(f, cur_pos, SEEK_SET); |
4670 |
|
4671 |
ret = 0;
|
4672 |
return ret;
|
4673 |
} |
4674 |
|
4675 |
static SaveStateEntry *find_se(const char *idstr, int instance_id) |
4676 |
{ |
4677 |
SaveStateEntry *se; |
4678 |
|
4679 |
for(se = first_se; se != NULL; se = se->next) { |
4680 |
if (!strcmp(se->idstr, idstr) &&
|
4681 |
instance_id == se->instance_id) |
4682 |
return se;
|
4683 |
} |
4684 |
return NULL; |
4685 |
} |
4686 |
|
4687 |
int qemu_loadvm_state(QEMUFile *f)
|
4688 |
{ |
4689 |
SaveStateEntry *se; |
4690 |
int len, ret, instance_id, record_len, version_id;
|
4691 |
int64_t total_len, end_pos, cur_pos; |
4692 |
unsigned int v; |
4693 |
char idstr[256]; |
4694 |
|
4695 |
v = qemu_get_be32(f); |
4696 |
if (v != QEMU_VM_FILE_MAGIC)
|
4697 |
goto fail;
|
4698 |
v = qemu_get_be32(f); |
4699 |
if (v != QEMU_VM_FILE_VERSION) {
|
4700 |
fail:
|
4701 |
ret = -1;
|
4702 |
goto the_end;
|
4703 |
} |
4704 |
total_len = qemu_get_be64(f); |
4705 |
end_pos = total_len + qemu_ftell(f); |
4706 |
for(;;) {
|
4707 |
if (qemu_ftell(f) >= end_pos)
|
4708 |
break;
|
4709 |
len = qemu_get_byte(f); |
4710 |
qemu_get_buffer(f, idstr, len); |
4711 |
idstr[len] = '\0';
|
4712 |
instance_id = qemu_get_be32(f); |
4713 |
version_id = qemu_get_be32(f); |
4714 |
record_len = qemu_get_be32(f); |
4715 |
#if 0
|
4716 |
printf("idstr=%s instance=0x%x version=%d len=%d\n",
|
4717 |
idstr, instance_id, version_id, record_len);
|
4718 |
#endif
|
4719 |
cur_pos = qemu_ftell(f); |
4720 |
se = find_se(idstr, instance_id); |
4721 |
if (!se) {
|
4722 |
fprintf(stderr, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n",
|
4723 |
instance_id, idstr); |
4724 |
} else {
|
4725 |
ret = se->load_state(f, se->opaque, version_id); |
4726 |
if (ret < 0) { |
4727 |
fprintf(stderr, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n",
|
4728 |
instance_id, idstr); |
4729 |
} |
4730 |
} |
4731 |
/* always seek to exact end of record */
|
4732 |
qemu_fseek(f, cur_pos + record_len, SEEK_SET); |
4733 |
} |
4734 |
ret = 0;
|
4735 |
the_end:
|
4736 |
return ret;
|
4737 |
} |
4738 |
|
4739 |
/* device can contain snapshots */
|
4740 |
static int bdrv_can_snapshot(BlockDriverState *bs) |
4741 |
{ |
4742 |
return (bs &&
|
4743 |
!bdrv_is_removable(bs) && |
4744 |
!bdrv_is_read_only(bs)); |
4745 |
} |
4746 |
|
4747 |
/* device must be snapshots in order to have a reliable snapshot */
|
4748 |
static int bdrv_has_snapshot(BlockDriverState *bs) |
4749 |
{ |
4750 |
return (bs &&
|
4751 |
!bdrv_is_removable(bs) && |
4752 |
!bdrv_is_read_only(bs)); |
4753 |
} |
4754 |
|
4755 |
static BlockDriverState *get_bs_snapshots(void) |
4756 |
{ |
4757 |
BlockDriverState *bs; |
4758 |
int i;
|
4759 |
|
4760 |
if (bs_snapshots)
|
4761 |
return bs_snapshots;
|
4762 |
for(i = 0; i <= MAX_DISKS; i++) { |
4763 |
bs = bs_table[i]; |
4764 |
if (bdrv_can_snapshot(bs))
|
4765 |
goto ok;
|
4766 |
} |
4767 |
return NULL; |
4768 |
ok:
|
4769 |
bs_snapshots = bs; |
4770 |
return bs;
|
4771 |
} |
4772 |
|
4773 |
static int bdrv_snapshot_find(BlockDriverState *bs, QEMUSnapshotInfo *sn_info, |
4774 |
const char *name) |
4775 |
{ |
4776 |
QEMUSnapshotInfo *sn_tab, *sn; |
4777 |
int nb_sns, i, ret;
|
4778 |
|
4779 |
ret = -ENOENT; |
4780 |
nb_sns = bdrv_snapshot_list(bs, &sn_tab); |
4781 |
if (nb_sns < 0) |
4782 |
return ret;
|
4783 |
for(i = 0; i < nb_sns; i++) { |
4784 |
sn = &sn_tab[i]; |
4785 |
if (!strcmp(sn->id_str, name) || !strcmp(sn->name, name)) {
|
4786 |
*sn_info = *sn; |
4787 |
ret = 0;
|
4788 |
break;
|
4789 |
} |
4790 |
} |
4791 |
qemu_free(sn_tab); |
4792 |
return ret;
|
4793 |
} |
4794 |
|
4795 |
void do_savevm(const char *name) |
4796 |
{ |
4797 |
BlockDriverState *bs, *bs1; |
4798 |
QEMUSnapshotInfo sn1, *sn = &sn1, old_sn1, *old_sn = &old_sn1; |
4799 |
int must_delete, ret, i;
|
4800 |
BlockDriverInfo bdi1, *bdi = &bdi1; |
4801 |
QEMUFile *f; |
4802 |
int saved_vm_running;
|
4803 |
#ifdef _WIN32
|
4804 |
struct _timeb tb;
|
4805 |
#else
|
4806 |
struct timeval tv;
|
4807 |
#endif
|
4808 |
|
4809 |
bs = get_bs_snapshots(); |
4810 |
if (!bs) {
|
4811 |
term_printf("No block device can accept snapshots\n");
|
4812 |
return;
|
4813 |
} |
4814 |
|
4815 |
/* ??? Should this occur after vm_stop? */
|
4816 |
qemu_aio_flush(); |
4817 |
|
4818 |
saved_vm_running = vm_running; |
4819 |
vm_stop(0);
|
4820 |
|
4821 |
must_delete = 0;
|
4822 |
if (name) {
|
4823 |
ret = bdrv_snapshot_find(bs, old_sn, name); |
4824 |
if (ret >= 0) { |
4825 |
must_delete = 1;
|
4826 |
} |
4827 |
} |
4828 |
memset(sn, 0, sizeof(*sn)); |
4829 |
if (must_delete) {
|
4830 |
pstrcpy(sn->name, sizeof(sn->name), old_sn->name);
|
4831 |
pstrcpy(sn->id_str, sizeof(sn->id_str), old_sn->id_str);
|
4832 |
} else {
|
4833 |
if (name)
|
4834 |
pstrcpy(sn->name, sizeof(sn->name), name);
|
4835 |
} |
4836 |
|
4837 |
/* fill auxiliary fields */
|
4838 |
#ifdef _WIN32
|
4839 |
_ftime(&tb); |
4840 |
sn->date_sec = tb.time; |
4841 |
sn->date_nsec = tb.millitm * 1000000;
|
4842 |
#else
|
4843 |
gettimeofday(&tv, NULL);
|
4844 |
sn->date_sec = tv.tv_sec; |
4845 |
sn->date_nsec = tv.tv_usec * 1000;
|
4846 |
#endif
|
4847 |
sn->vm_clock_nsec = qemu_get_clock(vm_clock); |
4848 |
|
4849 |
if (bdrv_get_info(bs, bdi) < 0 || bdi->vm_state_offset <= 0) { |
4850 |
term_printf("Device %s does not support VM state snapshots\n",
|
4851 |
bdrv_get_device_name(bs)); |
4852 |
goto the_end;
|
4853 |
} |
4854 |
|
4855 |
/* save the VM state */
|
4856 |
f = qemu_fopen_bdrv(bs, bdi->vm_state_offset, 1);
|
4857 |
if (!f) {
|
4858 |
term_printf("Could not open VM state file\n");
|
4859 |
goto the_end;
|
4860 |
} |
4861 |
ret = qemu_savevm_state(f); |
4862 |
sn->vm_state_size = qemu_ftell(f); |
4863 |
qemu_fclose(f); |
4864 |
if (ret < 0) { |
4865 |
term_printf("Error %d while writing VM\n", ret);
|
4866 |
goto the_end;
|
4867 |
} |
4868 |
|
4869 |
/* create the snapshots */
|
4870 |
|
4871 |
for(i = 0; i < MAX_DISKS; i++) { |
4872 |
bs1 = bs_table[i]; |
4873 |
if (bdrv_has_snapshot(bs1)) {
|
4874 |
if (must_delete) {
|
4875 |
ret = bdrv_snapshot_delete(bs1, old_sn->id_str); |
4876 |
if (ret < 0) { |
4877 |
term_printf("Error while deleting snapshot on '%s'\n",
|
4878 |
bdrv_get_device_name(bs1)); |
4879 |
} |
4880 |
} |
4881 |
ret = bdrv_snapshot_create(bs1, sn); |
4882 |
if (ret < 0) { |
4883 |
term_printf("Error while creating snapshot on '%s'\n",
|
4884 |
bdrv_get_device_name(bs1)); |
4885 |
} |
4886 |
} |
4887 |
} |
4888 |
|
4889 |
the_end:
|
4890 |
if (saved_vm_running)
|
4891 |
vm_start(); |
4892 |
} |
4893 |
|
4894 |
void do_loadvm(const char *name) |
4895 |
{ |
4896 |
BlockDriverState *bs, *bs1; |
4897 |
BlockDriverInfo bdi1, *bdi = &bdi1; |
4898 |
QEMUFile *f; |
4899 |
int i, ret;
|
4900 |
int saved_vm_running;
|
4901 |
|
4902 |
bs = get_bs_snapshots(); |
4903 |
if (!bs) {
|
4904 |
term_printf("No block device supports snapshots\n");
|
4905 |
return;
|
4906 |
} |
4907 |
|
4908 |
/* Flush all IO requests so they don't interfere with the new state. */
|
4909 |
qemu_aio_flush(); |
4910 |
|
4911 |
saved_vm_running = vm_running; |
4912 |
vm_stop(0);
|
4913 |
|
4914 |
for(i = 0; i <= MAX_DISKS; i++) { |
4915 |
bs1 = bs_table[i]; |
4916 |
if (bdrv_has_snapshot(bs1)) {
|
4917 |
ret = bdrv_snapshot_goto(bs1, name); |
4918 |
if (ret < 0) { |
4919 |
if (bs != bs1)
|
4920 |
term_printf("Warning: ");
|
4921 |
switch(ret) {
|
4922 |
case -ENOTSUP:
|
4923 |
term_printf("Snapshots not supported on device '%s'\n",
|
4924 |
bdrv_get_device_name(bs1)); |
4925 |
break;
|
4926 |
case -ENOENT:
|
4927 |
term_printf("Could not find snapshot '%s' on device '%s'\n",
|
4928 |
name, bdrv_get_device_name(bs1)); |
4929 |
break;
|
4930 |
default:
|
4931 |
term_printf("Error %d while activating snapshot on '%s'\n",
|
4932 |
ret, bdrv_get_device_name(bs1)); |
4933 |
break;
|
4934 |
} |
4935 |
/* fatal on snapshot block device */
|
4936 |
if (bs == bs1)
|
4937 |
goto the_end;
|
4938 |
} |
4939 |
} |
4940 |
} |
4941 |
|
4942 |
if (bdrv_get_info(bs, bdi) < 0 || bdi->vm_state_offset <= 0) { |
4943 |
term_printf("Device %s does not support VM state snapshots\n",
|
4944 |
bdrv_get_device_name(bs)); |
4945 |
return;
|
4946 |
} |
4947 |
|
4948 |
/* restore the VM state */
|
4949 |
f = qemu_fopen_bdrv(bs, bdi->vm_state_offset, 0);
|
4950 |
if (!f) {
|
4951 |
term_printf("Could not open VM state file\n");
|
4952 |
goto the_end;
|
4953 |
} |
4954 |
ret = qemu_loadvm_state(f); |
4955 |
qemu_fclose(f); |
4956 |
if (ret < 0) { |
4957 |
term_printf("Error %d while loading VM state\n", ret);
|
4958 |
} |
4959 |
the_end:
|
4960 |
if (saved_vm_running)
|
4961 |
vm_start(); |
4962 |
} |
4963 |
|
4964 |
void do_delvm(const char *name) |
4965 |
{ |
4966 |
BlockDriverState *bs, *bs1; |
4967 |
int i, ret;
|
4968 |
|
4969 |
bs = get_bs_snapshots(); |
4970 |
if (!bs) {
|
4971 |
term_printf("No block device supports snapshots\n");
|
4972 |
return;
|
4973 |
} |
4974 |
|
4975 |
for(i = 0; i <= MAX_DISKS; i++) { |
4976 |
bs1 = bs_table[i]; |
4977 |
if (bdrv_has_snapshot(bs1)) {
|
4978 |
ret = bdrv_snapshot_delete(bs1, name); |
4979 |
if (ret < 0) { |
4980 |
if (ret == -ENOTSUP)
|
4981 |
term_printf("Snapshots not supported on device '%s'\n",
|
4982 |
bdrv_get_device_name(bs1)); |
4983 |
else
|
4984 |
term_printf("Error %d while deleting snapshot on '%s'\n",
|
4985 |
ret, bdrv_get_device_name(bs1)); |
4986 |
} |
4987 |
} |
4988 |
} |
4989 |
} |
4990 |
|
4991 |
void do_info_snapshots(void) |
4992 |
{ |
4993 |
BlockDriverState *bs, *bs1; |
4994 |
QEMUSnapshotInfo *sn_tab, *sn; |
4995 |
int nb_sns, i;
|
4996 |
char buf[256]; |
4997 |
|
4998 |
bs = get_bs_snapshots(); |
4999 |
if (!bs) {
|
5000 |
term_printf("No available block device supports snapshots\n");
|
5001 |
return;
|
5002 |
} |
5003 |
term_printf("Snapshot devices:");
|
5004 |
for(i = 0; i <= MAX_DISKS; i++) { |
5005 |
bs1 = bs_table[i]; |
5006 |
if (bdrv_has_snapshot(bs1)) {
|
5007 |
if (bs == bs1)
|
5008 |
term_printf(" %s", bdrv_get_device_name(bs1));
|
5009 |
} |
5010 |
} |
5011 |
term_printf("\n");
|
5012 |
|
5013 |
nb_sns = bdrv_snapshot_list(bs, &sn_tab); |
5014 |
if (nb_sns < 0) { |
5015 |
term_printf("bdrv_snapshot_list: error %d\n", nb_sns);
|
5016 |
return;
|
5017 |
} |
5018 |
term_printf("Snapshot list (from %s):\n", bdrv_get_device_name(bs));
|
5019 |
term_printf("%s\n", bdrv_snapshot_dump(buf, sizeof(buf), NULL)); |
5020 |
for(i = 0; i < nb_sns; i++) { |
5021 |
sn = &sn_tab[i]; |
5022 |
term_printf("%s\n", bdrv_snapshot_dump(buf, sizeof(buf), sn)); |
5023 |
} |
5024 |
qemu_free(sn_tab); |
5025 |
} |
5026 |
|
5027 |
/***********************************************************/
|
5028 |
/* cpu save/restore */
|
5029 |
|
5030 |
#if defined(TARGET_I386)
|
5031 |
|
5032 |
static void cpu_put_seg(QEMUFile *f, SegmentCache *dt) |
5033 |
{ |
5034 |
qemu_put_be32(f, dt->selector); |
5035 |
qemu_put_betl(f, dt->base); |
5036 |
qemu_put_be32(f, dt->limit); |
5037 |
qemu_put_be32(f, dt->flags); |
5038 |
} |
5039 |
|
5040 |
static void cpu_get_seg(QEMUFile *f, SegmentCache *dt) |
5041 |
{ |
5042 |
dt->selector = qemu_get_be32(f); |
5043 |
dt->base = qemu_get_betl(f); |
5044 |
dt->limit = qemu_get_be32(f); |
5045 |
dt->flags = qemu_get_be32(f); |
5046 |
} |
5047 |
|
5048 |
void cpu_save(QEMUFile *f, void *opaque) |
5049 |
{ |
5050 |
CPUState *env = opaque; |
5051 |
uint16_t fptag, fpus, fpuc, fpregs_format; |
5052 |
uint32_t hflags; |
5053 |
int i;
|
5054 |
|
5055 |
for(i = 0; i < CPU_NB_REGS; i++) |
5056 |
qemu_put_betls(f, &env->regs[i]); |
5057 |
qemu_put_betls(f, &env->eip); |
5058 |
qemu_put_betls(f, &env->eflags); |
5059 |
hflags = env->hflags; /* XXX: suppress most of the redundant hflags */
|
5060 |
qemu_put_be32s(f, &hflags); |
5061 |
|
5062 |
/* FPU */
|
5063 |
fpuc = env->fpuc; |
5064 |
fpus = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11; |
5065 |
fptag = 0;
|
5066 |
for(i = 0; i < 8; i++) { |
5067 |
fptag |= ((!env->fptags[i]) << i); |
5068 |
} |
5069 |
|
5070 |
qemu_put_be16s(f, &fpuc); |
5071 |
qemu_put_be16s(f, &fpus); |
5072 |
qemu_put_be16s(f, &fptag); |
5073 |
|
5074 |
#ifdef USE_X86LDOUBLE
|
5075 |
fpregs_format = 0;
|
5076 |
#else
|
5077 |
fpregs_format = 1;
|
5078 |
#endif
|
5079 |
qemu_put_be16s(f, &fpregs_format); |
5080 |
|
5081 |
for(i = 0; i < 8; i++) { |
5082 |
#ifdef USE_X86LDOUBLE
|
5083 |
{ |
5084 |
uint64_t mant; |
5085 |
uint16_t exp; |
5086 |
/* we save the real CPU data (in case of MMX usage only 'mant'
|
5087 |
contains the MMX register */
|
5088 |
cpu_get_fp80(&mant, &exp, env->fpregs[i].d); |
5089 |
qemu_put_be64(f, mant); |
5090 |
qemu_put_be16(f, exp); |
5091 |
} |
5092 |
#else
|
5093 |
/* if we use doubles for float emulation, we save the doubles to
|
5094 |
avoid losing information in case of MMX usage. It can give
|
5095 |
problems if the image is restored on a CPU where long
|
5096 |
doubles are used instead. */
|
5097 |
qemu_put_be64(f, env->fpregs[i].mmx.MMX_Q(0));
|
5098 |
#endif
|
5099 |
} |
5100 |
|
5101 |
for(i = 0; i < 6; i++) |
5102 |
cpu_put_seg(f, &env->segs[i]); |
5103 |
cpu_put_seg(f, &env->ldt); |
5104 |
cpu_put_seg(f, &env->tr); |
5105 |
cpu_put_seg(f, &env->gdt); |
5106 |
cpu_put_seg(f, &env->idt); |
5107 |
|
5108 |
qemu_put_be32s(f, &env->sysenter_cs); |
5109 |
qemu_put_be32s(f, &env->sysenter_esp); |
5110 |
qemu_put_be32s(f, &env->sysenter_eip); |
5111 |
|
5112 |
qemu_put_betls(f, &env->cr[0]);
|
5113 |
qemu_put_betls(f, &env->cr[2]);
|
5114 |
qemu_put_betls(f, &env->cr[3]);
|
5115 |
qemu_put_betls(f, &env->cr[4]);
|
5116 |
|
5117 |
for(i = 0; i < 8; i++) |
5118 |
qemu_put_betls(f, &env->dr[i]); |
5119 |
|
5120 |
/* MMU */
|
5121 |
qemu_put_be32s(f, &env->a20_mask); |
5122 |
|
5123 |
/* XMM */
|
5124 |
qemu_put_be32s(f, &env->mxcsr); |
5125 |
for(i = 0; i < CPU_NB_REGS; i++) { |
5126 |
qemu_put_be64s(f, &env->xmm_regs[i].XMM_Q(0));
|
5127 |
qemu_put_be64s(f, &env->xmm_regs[i].XMM_Q(1));
|
5128 |
} |
5129 |
|
5130 |
#ifdef TARGET_X86_64
|
5131 |
qemu_put_be64s(f, &env->efer); |
5132 |
qemu_put_be64s(f, &env->star); |
5133 |
qemu_put_be64s(f, &env->lstar); |
5134 |
qemu_put_be64s(f, &env->cstar); |
5135 |
qemu_put_be64s(f, &env->fmask); |
5136 |
qemu_put_be64s(f, &env->kernelgsbase); |
5137 |
#endif
|
5138 |
qemu_put_be32s(f, &env->smbase); |
5139 |
} |
5140 |
|
5141 |
#ifdef USE_X86LDOUBLE
|
5142 |
/* XXX: add that in a FPU generic layer */
|
5143 |
union x86_longdouble {
|
5144 |
uint64_t mant; |
5145 |
uint16_t exp; |
5146 |
}; |
5147 |
|
5148 |
#define MANTD1(fp) (fp & ((1LL << 52) - 1)) |
5149 |
#define EXPBIAS1 1023 |
5150 |
#define EXPD1(fp) ((fp >> 52) & 0x7FF) |
5151 |
#define SIGND1(fp) ((fp >> 32) & 0x80000000) |
5152 |
|
5153 |
static void fp64_to_fp80(union x86_longdouble *p, uint64_t temp) |
5154 |
{ |
5155 |
int e;
|
5156 |
/* mantissa */
|
5157 |
p->mant = (MANTD1(temp) << 11) | (1LL << 63); |
5158 |
/* exponent + sign */
|
5159 |
e = EXPD1(temp) - EXPBIAS1 + 16383;
|
5160 |
e |= SIGND1(temp) >> 16;
|
5161 |
p->exp = e; |
5162 |
} |
5163 |
#endif
|
5164 |
|
5165 |
int cpu_load(QEMUFile *f, void *opaque, int version_id) |
5166 |
{ |
5167 |
CPUState *env = opaque; |
5168 |
int i, guess_mmx;
|
5169 |
uint32_t hflags; |
5170 |
uint16_t fpus, fpuc, fptag, fpregs_format; |
5171 |
|
5172 |
if (version_id != 3 && version_id != 4) |
5173 |
return -EINVAL;
|
5174 |
for(i = 0; i < CPU_NB_REGS; i++) |
5175 |
qemu_get_betls(f, &env->regs[i]); |
5176 |
qemu_get_betls(f, &env->eip); |
5177 |
qemu_get_betls(f, &env->eflags); |
5178 |
qemu_get_be32s(f, &hflags); |
5179 |
|
5180 |
qemu_get_be16s(f, &fpuc); |
5181 |
qemu_get_be16s(f, &fpus); |
5182 |
qemu_get_be16s(f, &fptag); |
5183 |
qemu_get_be16s(f, &fpregs_format); |
5184 |
|
5185 |
/* NOTE: we cannot always restore the FPU state if the image come
|
5186 |
from a host with a different 'USE_X86LDOUBLE' define. We guess
|
5187 |
if we are in an MMX state to restore correctly in that case. */
|
5188 |
guess_mmx = ((fptag == 0xff) && (fpus & 0x3800) == 0); |
5189 |
for(i = 0; i < 8; i++) { |
5190 |
uint64_t mant; |
5191 |
uint16_t exp; |
5192 |
|
5193 |
switch(fpregs_format) {
|
5194 |
case 0: |
5195 |
mant = qemu_get_be64(f); |
5196 |
exp = qemu_get_be16(f); |
5197 |
#ifdef USE_X86LDOUBLE
|
5198 |
env->fpregs[i].d = cpu_set_fp80(mant, exp); |
5199 |
#else
|
5200 |
/* difficult case */
|
5201 |
if (guess_mmx)
|
5202 |
env->fpregs[i].mmx.MMX_Q(0) = mant;
|
5203 |
else
|
5204 |
env->fpregs[i].d = cpu_set_fp80(mant, exp); |
5205 |
#endif
|
5206 |
break;
|
5207 |
case 1: |
5208 |
mant = qemu_get_be64(f); |
5209 |
#ifdef USE_X86LDOUBLE
|
5210 |
{ |
5211 |
union x86_longdouble *p;
|
5212 |
/* difficult case */
|
5213 |
p = (void *)&env->fpregs[i];
|
5214 |
if (guess_mmx) {
|
5215 |
p->mant = mant; |
5216 |
p->exp = 0xffff;
|
5217 |
} else {
|
5218 |
fp64_to_fp80(p, mant); |
5219 |
} |
5220 |
} |
5221 |
#else
|
5222 |
env->fpregs[i].mmx.MMX_Q(0) = mant;
|
5223 |
#endif
|
5224 |
break;
|
5225 |
default:
|
5226 |
return -EINVAL;
|
5227 |
} |
5228 |
} |
5229 |
|
5230 |
env->fpuc = fpuc; |
5231 |
/* XXX: restore FPU round state */
|
5232 |
env->fpstt = (fpus >> 11) & 7; |
5233 |
env->fpus = fpus & ~0x3800;
|
5234 |
fptag ^= 0xff;
|
5235 |
for(i = 0; i < 8; i++) { |
5236 |
env->fptags[i] = (fptag >> i) & 1;
|
5237 |
} |
5238 |
|
5239 |
for(i = 0; i < 6; i++) |
5240 |
cpu_get_seg(f, &env->segs[i]); |
5241 |
cpu_get_seg(f, &env->ldt); |
5242 |
cpu_get_seg(f, &env->tr); |
5243 |
cpu_get_seg(f, &env->gdt); |
5244 |
cpu_get_seg(f, &env->idt); |
5245 |
|
5246 |
qemu_get_be32s(f, &env->sysenter_cs); |
5247 |
qemu_get_be32s(f, &env->sysenter_esp); |
5248 |
qemu_get_be32s(f, &env->sysenter_eip); |
5249 |
|
5250 |
qemu_get_betls(f, &env->cr[0]);
|
5251 |
qemu_get_betls(f, &env->cr[2]);
|
5252 |
qemu_get_betls(f, &env->cr[3]);
|
5253 |
qemu_get_betls(f, &env->cr[4]);
|
5254 |
|
5255 |
for(i = 0; i < 8; i++) |
5256 |
qemu_get_betls(f, &env->dr[i]); |
5257 |
|
5258 |
/* MMU */
|
5259 |
qemu_get_be32s(f, &env->a20_mask); |
5260 |
|
5261 |
qemu_get_be32s(f, &env->mxcsr); |
5262 |
for(i = 0; i < CPU_NB_REGS; i++) { |
5263 |
qemu_get_be64s(f, &env->xmm_regs[i].XMM_Q(0));
|
5264 |
qemu_get_be64s(f, &env->xmm_regs[i].XMM_Q(1));
|
5265 |
} |
5266 |
|
5267 |
#ifdef TARGET_X86_64
|
5268 |
qemu_get_be64s(f, &env->efer); |
5269 |
qemu_get_be64s(f, &env->star); |
5270 |
qemu_get_be64s(f, &env->lstar); |
5271 |
qemu_get_be64s(f, &env->cstar); |
5272 |
qemu_get_be64s(f, &env->fmask); |
5273 |
qemu_get_be64s(f, &env->kernelgsbase); |
5274 |
#endif
|
5275 |
if (version_id >= 4) |
5276 |
qemu_get_be32s(f, &env->smbase); |
5277 |
|
5278 |
/* XXX: compute hflags from scratch, except for CPL and IIF */
|
5279 |
env->hflags = hflags; |
5280 |
tlb_flush(env, 1);
|
5281 |
return 0; |
5282 |
} |
5283 |
|
5284 |
#elif defined(TARGET_PPC)
|
5285 |
void cpu_save(QEMUFile *f, void *opaque) |
5286 |
{ |
5287 |
} |
5288 |
|
5289 |
int cpu_load(QEMUFile *f, void *opaque, int version_id) |
5290 |
{ |
5291 |
return 0; |
5292 |
} |
5293 |
|
5294 |
#elif defined(TARGET_MIPS)
|
5295 |
void cpu_save(QEMUFile *f, void *opaque) |
5296 |
{ |
5297 |
} |
5298 |
|
5299 |
int cpu_load(QEMUFile *f, void *opaque, int version_id) |
5300 |
{ |
5301 |
return 0; |
5302 |
} |
5303 |
|
5304 |
#elif defined(TARGET_SPARC)
|
5305 |
void cpu_save(QEMUFile *f, void *opaque) |
5306 |
{ |
5307 |
CPUState *env = opaque; |
5308 |
int i;
|
5309 |
uint32_t tmp; |
5310 |
|
5311 |
for(i = 0; i < 8; i++) |
5312 |
qemu_put_betls(f, &env->gregs[i]); |
5313 |
for(i = 0; i < NWINDOWS * 16; i++) |
5314 |
qemu_put_betls(f, &env->regbase[i]); |
5315 |
|
5316 |
/* FPU */
|
5317 |
for(i = 0; i < TARGET_FPREGS; i++) { |
5318 |
union {
|
5319 |
float32 f; |
5320 |
uint32_t i; |
5321 |
} u; |
5322 |
u.f = env->fpr[i]; |
5323 |
qemu_put_be32(f, u.i); |
5324 |
} |
5325 |
|
5326 |
qemu_put_betls(f, &env->pc); |
5327 |
qemu_put_betls(f, &env->npc); |
5328 |
qemu_put_betls(f, &env->y); |
5329 |
tmp = GET_PSR(env); |
5330 |
qemu_put_be32(f, tmp); |
5331 |
qemu_put_betls(f, &env->fsr); |
5332 |
qemu_put_betls(f, &env->tbr); |
5333 |
#ifndef TARGET_SPARC64
|
5334 |
qemu_put_be32s(f, &env->wim); |
5335 |
/* MMU */
|
5336 |
for(i = 0; i < 16; i++) |
5337 |
qemu_put_be32s(f, &env->mmuregs[i]); |
5338 |
#endif
|
5339 |
} |
5340 |
|
5341 |
int cpu_load(QEMUFile *f, void *opaque, int version_id) |
5342 |
{ |
5343 |
CPUState *env = opaque; |
5344 |
int i;
|
5345 |
uint32_t tmp; |
5346 |
|
5347 |
for(i = 0; i < 8; i++) |
5348 |
qemu_get_betls(f, &env->gregs[i]); |
5349 |
for(i = 0; i < NWINDOWS * 16; i++) |
5350 |
qemu_get_betls(f, &env->regbase[i]); |
5351 |
|
5352 |
/* FPU */
|
5353 |
for(i = 0; i < TARGET_FPREGS; i++) { |
5354 |
union {
|
5355 |
float32 f; |
5356 |
uint32_t i; |
5357 |
} u; |
5358 |
u.i = qemu_get_be32(f); |
5359 |
env->fpr[i] = u.f; |
5360 |
} |
5361 |
|
5362 |
qemu_get_betls(f, &env->pc); |
5363 |
qemu_get_betls(f, &env->npc); |
5364 |
qemu_get_betls(f, &env->y); |
5365 |
tmp = qemu_get_be32(f); |
5366 |
env->cwp = 0; /* needed to ensure that the wrapping registers are |
5367 |
correctly updated */
|
5368 |
PUT_PSR(env, tmp); |
5369 |
qemu_get_betls(f, &env->fsr); |
5370 |
qemu_get_betls(f, &env->tbr); |
5371 |
#ifndef TARGET_SPARC64
|
5372 |
qemu_get_be32s(f, &env->wim); |
5373 |
/* MMU */
|
5374 |
for(i = 0; i < 16; i++) |
5375 |
qemu_get_be32s(f, &env->mmuregs[i]); |
5376 |
#endif
|
5377 |
tlb_flush(env, 1);
|
5378 |
return 0; |
5379 |
} |
5380 |
|
5381 |
#elif defined(TARGET_ARM)
|
5382 |
|
5383 |
/* ??? Need to implement these. */
|
5384 |
void cpu_save(QEMUFile *f, void *opaque) |
5385 |
{ |
5386 |
} |
5387 |
|
5388 |
int cpu_load(QEMUFile *f, void *opaque, int version_id) |
5389 |
{ |
5390 |
return 0; |
5391 |
} |
5392 |
|
5393 |
#else
|
5394 |
|
5395 |
#warning No CPU save/restore functions
|
5396 |
|
5397 |
#endif
|
5398 |
|
5399 |
/***********************************************************/
|
5400 |
/* ram save/restore */
|
5401 |
|
5402 |
static int ram_get_page(QEMUFile *f, uint8_t *buf, int len) |
5403 |
{ |
5404 |
int v;
|
5405 |
|
5406 |
v = qemu_get_byte(f); |
5407 |
switch(v) {
|
5408 |
case 0: |
5409 |
if (qemu_get_buffer(f, buf, len) != len)
|
5410 |
return -EIO;
|
5411 |
break;
|
5412 |
case 1: |
5413 |
v = qemu_get_byte(f); |
5414 |
memset(buf, v, len); |
5415 |
break;
|
5416 |
default:
|
5417 |
return -EINVAL;
|
5418 |
} |
5419 |
return 0; |
5420 |
} |
5421 |
|
5422 |
static int ram_load_v1(QEMUFile *f, void *opaque) |
5423 |
{ |
5424 |
int i, ret;
|
5425 |
|
5426 |
if (qemu_get_be32(f) != phys_ram_size)
|
5427 |
return -EINVAL;
|
5428 |
for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) { |
5429 |
ret = ram_get_page(f, phys_ram_base + i, TARGET_PAGE_SIZE); |
5430 |
if (ret)
|
5431 |
return ret;
|
5432 |
} |
5433 |
return 0; |
5434 |
} |
5435 |
|
5436 |
#define BDRV_HASH_BLOCK_SIZE 1024 |
5437 |
#define IOBUF_SIZE 4096 |
5438 |
#define RAM_CBLOCK_MAGIC 0xfabe |
5439 |
|
5440 |
typedef struct RamCompressState { |
5441 |
z_stream zstream; |
5442 |
QEMUFile *f; |
5443 |
uint8_t buf[IOBUF_SIZE]; |
5444 |
} RamCompressState; |
5445 |
|
5446 |
static int ram_compress_open(RamCompressState *s, QEMUFile *f) |
5447 |
{ |
5448 |
int ret;
|
5449 |
memset(s, 0, sizeof(*s)); |
5450 |
s->f = f; |
5451 |
ret = deflateInit2(&s->zstream, 1,
|
5452 |
Z_DEFLATED, 15,
|
5453 |
9, Z_DEFAULT_STRATEGY);
|
5454 |
if (ret != Z_OK)
|
5455 |
return -1; |
5456 |
s->zstream.avail_out = IOBUF_SIZE; |
5457 |
s->zstream.next_out = s->buf; |
5458 |
return 0; |
5459 |
} |
5460 |
|
5461 |
static void ram_put_cblock(RamCompressState *s, const uint8_t *buf, int len) |
5462 |
{ |
5463 |
qemu_put_be16(s->f, RAM_CBLOCK_MAGIC); |
5464 |
qemu_put_be16(s->f, len); |
5465 |
qemu_put_buffer(s->f, buf, len); |
5466 |
} |
5467 |
|
5468 |
static int ram_compress_buf(RamCompressState *s, const uint8_t *buf, int len) |
5469 |
{ |
5470 |
int ret;
|
5471 |
|
5472 |
s->zstream.avail_in = len; |
5473 |
s->zstream.next_in = (uint8_t *)buf; |
5474 |
while (s->zstream.avail_in > 0) { |
5475 |
ret = deflate(&s->zstream, Z_NO_FLUSH); |
5476 |
if (ret != Z_OK)
|
5477 |
return -1; |
5478 |
if (s->zstream.avail_out == 0) { |
5479 |
ram_put_cblock(s, s->buf, IOBUF_SIZE); |
5480 |
s->zstream.avail_out = IOBUF_SIZE; |
5481 |
s->zstream.next_out = s->buf; |
5482 |
} |
5483 |
} |
5484 |
return 0; |
5485 |
} |
5486 |
|
5487 |
static void ram_compress_close(RamCompressState *s) |
5488 |
{ |
5489 |
int len, ret;
|
5490 |
|
5491 |
/* compress last bytes */
|
5492 |
for(;;) {
|
5493 |
ret = deflate(&s->zstream, Z_FINISH); |
5494 |
if (ret == Z_OK || ret == Z_STREAM_END) {
|
5495 |
len = IOBUF_SIZE - s->zstream.avail_out; |
5496 |
if (len > 0) { |
5497 |
ram_put_cblock(s, s->buf, len); |
5498 |
} |
5499 |
s->zstream.avail_out = IOBUF_SIZE; |
5500 |
s->zstream.next_out = s->buf; |
5501 |
if (ret == Z_STREAM_END)
|
5502 |
break;
|
5503 |
} else {
|
5504 |
goto fail;
|
5505 |
} |
5506 |
} |
5507 |
fail:
|
5508 |
deflateEnd(&s->zstream); |
5509 |
} |
5510 |
|
5511 |
typedef struct RamDecompressState { |
5512 |
z_stream zstream; |
5513 |
QEMUFile *f; |
5514 |
uint8_t buf[IOBUF_SIZE]; |
5515 |
} RamDecompressState; |
5516 |
|
5517 |
static int ram_decompress_open(RamDecompressState *s, QEMUFile *f) |
5518 |
{ |
5519 |
int ret;
|
5520 |
memset(s, 0, sizeof(*s)); |
5521 |
s->f = f; |
5522 |
ret = inflateInit(&s->zstream); |
5523 |
if (ret != Z_OK)
|
5524 |
return -1; |
5525 |
return 0; |
5526 |
} |
5527 |
|
5528 |
static int ram_decompress_buf(RamDecompressState *s, uint8_t *buf, int len) |
5529 |
{ |
5530 |
int ret, clen;
|
5531 |
|
5532 |
s->zstream.avail_out = len; |
5533 |
s->zstream.next_out = buf; |
5534 |
while (s->zstream.avail_out > 0) { |
5535 |
if (s->zstream.avail_in == 0) { |
5536 |
if (qemu_get_be16(s->f) != RAM_CBLOCK_MAGIC)
|
5537 |
return -1; |
5538 |
clen = qemu_get_be16(s->f); |
5539 |
if (clen > IOBUF_SIZE)
|
5540 |
return -1; |
5541 |
qemu_get_buffer(s->f, s->buf, clen); |
5542 |
s->zstream.avail_in = clen; |
5543 |
s->zstream.next_in = s->buf; |
5544 |
} |
5545 |
ret = inflate(&s->zstream, Z_PARTIAL_FLUSH); |
5546 |
if (ret != Z_OK && ret != Z_STREAM_END) {
|
5547 |
return -1; |
5548 |
} |
5549 |
} |
5550 |
return 0; |
5551 |
} |
5552 |
|
5553 |
static void ram_decompress_close(RamDecompressState *s) |
5554 |
{ |
5555 |
inflateEnd(&s->zstream); |
5556 |
} |
5557 |
|
5558 |
static void ram_save(QEMUFile *f, void *opaque) |
5559 |
{ |
5560 |
int i;
|
5561 |
RamCompressState s1, *s = &s1; |
5562 |
uint8_t buf[10];
|
5563 |
|
5564 |
qemu_put_be32(f, phys_ram_size); |
5565 |
if (ram_compress_open(s, f) < 0) |
5566 |
return;
|
5567 |
for(i = 0; i < phys_ram_size; i+= BDRV_HASH_BLOCK_SIZE) { |
5568 |
#if 0
|
5569 |
if (tight_savevm_enabled) {
|
5570 |
int64_t sector_num;
|
5571 |
int j;
|
5572 |
|
5573 |
/* find if the memory block is available on a virtual
|
5574 |
block device */
|
5575 |
sector_num = -1;
|
5576 |
for(j = 0; j < MAX_DISKS; j++) {
|
5577 |
if (bs_table[j]) {
|
5578 |
sector_num = bdrv_hash_find(bs_table[j],
|
5579 |
phys_ram_base + i, BDRV_HASH_BLOCK_SIZE);
|
5580 |
if (sector_num >= 0)
|
5581 |
break;
|
5582 |
}
|
5583 |
}
|
5584 |
if (j == MAX_DISKS)
|
5585 |
goto normal_compress;
|
5586 |
buf[0] = 1;
|
5587 |
buf[1] = j;
|
5588 |
cpu_to_be64wu((uint64_t *)(buf + 2), sector_num);
|
5589 |
ram_compress_buf(s, buf, 10);
|
5590 |
} else
|
5591 |
#endif
|
5592 |
{ |
5593 |
// normal_compress:
|
5594 |
buf[0] = 0; |
5595 |
ram_compress_buf(s, buf, 1);
|
5596 |
ram_compress_buf(s, phys_ram_base + i, BDRV_HASH_BLOCK_SIZE); |
5597 |
} |
5598 |
} |
5599 |
ram_compress_close(s); |
5600 |
} |
5601 |
|
5602 |
static int ram_load(QEMUFile *f, void *opaque, int version_id) |
5603 |
{ |
5604 |
RamDecompressState s1, *s = &s1; |
5605 |
uint8_t buf[10];
|
5606 |
int i;
|
5607 |
|
5608 |
if (version_id == 1) |
5609 |
return ram_load_v1(f, opaque);
|
5610 |
if (version_id != 2) |
5611 |
return -EINVAL;
|
5612 |
if (qemu_get_be32(f) != phys_ram_size)
|
5613 |
return -EINVAL;
|
5614 |
if (ram_decompress_open(s, f) < 0) |
5615 |
return -EINVAL;
|
5616 |
for(i = 0; i < phys_ram_size; i+= BDRV_HASH_BLOCK_SIZE) { |
5617 |
if (ram_decompress_buf(s, buf, 1) < 0) { |
5618 |
fprintf(stderr, "Error while reading ram block header\n");
|
5619 |
goto error;
|
5620 |
} |
5621 |
if (buf[0] == 0) { |
5622 |
if (ram_decompress_buf(s, phys_ram_base + i, BDRV_HASH_BLOCK_SIZE) < 0) { |
5623 |
fprintf(stderr, "Error while reading ram block address=0x%08x", i);
|
5624 |
goto error;
|
5625 |
} |
5626 |
} else
|
5627 |
#if 0
|
5628 |
if (buf[0] == 1) {
|
5629 |
int bs_index;
|
5630 |
int64_t sector_num;
|
5631 |
|
5632 |
ram_decompress_buf(s, buf + 1, 9);
|
5633 |
bs_index = buf[1];
|
5634 |
sector_num = be64_to_cpupu((const uint64_t *)(buf + 2));
|
5635 |
if (bs_index >= MAX_DISKS || bs_table[bs_index] == NULL) {
|
5636 |
fprintf(stderr, "Invalid block device index %d\n", bs_index);
|
5637 |
goto error;
|
5638 |
}
|
5639 |
if (bdrv_read(bs_table[bs_index], sector_num, phys_ram_base + i,
|
5640 |
BDRV_HASH_BLOCK_SIZE / 512) < 0) {
|
5641 |
fprintf(stderr, "Error while reading sector %d:%" PRId64 "\n",
|
5642 |
bs_index, sector_num);
|
5643 |
goto error;
|
5644 |
}
|
5645 |
} else
|
5646 |
#endif
|
5647 |
{ |
5648 |
error:
|
5649 |
printf("Error block header\n");
|
5650 |
return -EINVAL;
|
5651 |
} |
5652 |
} |
5653 |
ram_decompress_close(s); |
5654 |
return 0; |
5655 |
} |
5656 |
|
5657 |
/***********************************************************/
|
5658 |
/* bottom halves (can be seen as timers which expire ASAP) */
|
5659 |
|
5660 |
struct QEMUBH {
|
5661 |
QEMUBHFunc *cb; |
5662 |
void *opaque;
|
5663 |
int scheduled;
|
5664 |
QEMUBH *next; |
5665 |
}; |
5666 |
|
5667 |
static QEMUBH *first_bh = NULL; |
5668 |
|
5669 |
QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque)
|
5670 |
{ |
5671 |
QEMUBH *bh; |
5672 |
bh = qemu_mallocz(sizeof(QEMUBH));
|
5673 |
if (!bh)
|
5674 |
return NULL; |
5675 |
bh->cb = cb; |
5676 |
bh->opaque = opaque; |
5677 |
return bh;
|
5678 |
} |
5679 |
|
5680 |
int qemu_bh_poll(void) |
5681 |
{ |
5682 |
QEMUBH *bh, **pbh; |
5683 |
int ret;
|
5684 |
|
5685 |
ret = 0;
|
5686 |
for(;;) {
|
5687 |
pbh = &first_bh; |
5688 |
bh = *pbh; |
5689 |
if (!bh)
|
5690 |
break;
|
5691 |
ret = 1;
|
5692 |
*pbh = bh->next; |
5693 |
bh->scheduled = 0;
|
5694 |
bh->cb(bh->opaque); |
5695 |
} |
5696 |
return ret;
|
5697 |
} |
5698 |
|
5699 |
void qemu_bh_schedule(QEMUBH *bh)
|
5700 |
{ |
5701 |
CPUState *env = cpu_single_env; |
5702 |
if (bh->scheduled)
|
5703 |
return;
|
5704 |
bh->scheduled = 1;
|
5705 |
bh->next = first_bh; |
5706 |
first_bh = bh; |
5707 |
|
5708 |
/* stop the currently executing CPU to execute the BH ASAP */
|
5709 |
if (env) {
|
5710 |
cpu_interrupt(env, CPU_INTERRUPT_EXIT); |
5711 |
} |
5712 |
} |
5713 |
|
5714 |
void qemu_bh_cancel(QEMUBH *bh)
|
5715 |
{ |
5716 |
QEMUBH **pbh; |
5717 |
if (bh->scheduled) {
|
5718 |
pbh = &first_bh; |
5719 |
while (*pbh != bh)
|
5720 |
pbh = &(*pbh)->next; |
5721 |
*pbh = bh->next; |
5722 |
bh->scheduled = 0;
|
5723 |
} |
5724 |
} |
5725 |
|
5726 |
void qemu_bh_delete(QEMUBH *bh)
|
5727 |
{ |
5728 |
qemu_bh_cancel(bh); |
5729 |
qemu_free(bh); |
5730 |
} |
5731 |
|
5732 |
/***********************************************************/
|
5733 |
/* machine registration */
|
5734 |
|
5735 |
QEMUMachine *first_machine = NULL;
|
5736 |
|
5737 |
int qemu_register_machine(QEMUMachine *m)
|
5738 |
{ |
5739 |
QEMUMachine **pm; |
5740 |
pm = &first_machine; |
5741 |
while (*pm != NULL) |
5742 |
pm = &(*pm)->next; |
5743 |
m->next = NULL;
|
5744 |
*pm = m; |
5745 |
return 0; |
5746 |
} |
5747 |
|
5748 |
QEMUMachine *find_machine(const char *name) |
5749 |
{ |
5750 |
QEMUMachine *m; |
5751 |
|
5752 |
for(m = first_machine; m != NULL; m = m->next) { |
5753 |
if (!strcmp(m->name, name))
|
5754 |
return m;
|
5755 |
} |
5756 |
return NULL; |
5757 |
} |
5758 |
|
5759 |
/***********************************************************/
|
5760 |
/* main execution loop */
|
5761 |
|
5762 |
void gui_update(void *opaque) |
5763 |
{ |
5764 |
display_state.dpy_refresh(&display_state); |
5765 |
qemu_mod_timer(gui_timer, GUI_REFRESH_INTERVAL + qemu_get_clock(rt_clock)); |
5766 |
} |
5767 |
|
5768 |
struct vm_change_state_entry {
|
5769 |
VMChangeStateHandler *cb; |
5770 |
void *opaque;
|
5771 |
LIST_ENTRY (vm_change_state_entry) entries; |
5772 |
}; |
5773 |
|
5774 |
static LIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
|
5775 |
|
5776 |
VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb, |
5777 |
void *opaque)
|
5778 |
{ |
5779 |
VMChangeStateEntry *e; |
5780 |
|
5781 |
e = qemu_mallocz(sizeof (*e));
|
5782 |
if (!e)
|
5783 |
return NULL; |
5784 |
|
5785 |
e->cb = cb; |
5786 |
e->opaque = opaque; |
5787 |
LIST_INSERT_HEAD(&vm_change_state_head, e, entries); |
5788 |
return e;
|
5789 |
} |
5790 |
|
5791 |
void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
|
5792 |
{ |
5793 |
LIST_REMOVE (e, entries); |
5794 |
qemu_free (e); |
5795 |
} |
5796 |
|
5797 |
static void vm_state_notify(int running) |
5798 |
{ |
5799 |
VMChangeStateEntry *e; |
5800 |
|
5801 |
for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
|
5802 |
e->cb(e->opaque, running); |
5803 |
} |
5804 |
} |
5805 |
|
5806 |
/* XXX: support several handlers */
|
5807 |
static VMStopHandler *vm_stop_cb;
|
5808 |
static void *vm_stop_opaque; |
5809 |
|
5810 |
int qemu_add_vm_stop_handler(VMStopHandler *cb, void *opaque) |
5811 |
{ |
5812 |
vm_stop_cb = cb; |
5813 |
vm_stop_opaque = opaque; |
5814 |
return 0; |
5815 |
} |
5816 |
|
5817 |
void qemu_del_vm_stop_handler(VMStopHandler *cb, void *opaque) |
5818 |
{ |
5819 |
vm_stop_cb = NULL;
|
5820 |
} |
5821 |
|
5822 |
void vm_start(void) |
5823 |
{ |
5824 |
if (!vm_running) {
|
5825 |
cpu_enable_ticks(); |
5826 |
vm_running = 1;
|
5827 |
vm_state_notify(1);
|
5828 |
} |
5829 |
} |
5830 |
|
5831 |
void vm_stop(int reason) |
5832 |
{ |
5833 |
if (vm_running) {
|
5834 |
cpu_disable_ticks(); |
5835 |
vm_running = 0;
|
5836 |
if (reason != 0) { |
5837 |
if (vm_stop_cb) {
|
5838 |
vm_stop_cb(vm_stop_opaque, reason); |
5839 |
} |
5840 |
} |
5841 |
vm_state_notify(0);
|
5842 |
} |
5843 |
} |
5844 |
|
5845 |
/* reset/shutdown handler */
|
5846 |
|
5847 |
typedef struct QEMUResetEntry { |
5848 |
QEMUResetHandler *func; |
5849 |
void *opaque;
|
5850 |
struct QEMUResetEntry *next;
|
5851 |
} QEMUResetEntry; |
5852 |
|
5853 |
static QEMUResetEntry *first_reset_entry;
|
5854 |
static int reset_requested; |
5855 |
static int shutdown_requested; |
5856 |
static int powerdown_requested; |
5857 |
|
5858 |
void qemu_register_reset(QEMUResetHandler *func, void *opaque) |
5859 |
{ |
5860 |
QEMUResetEntry **pre, *re; |
5861 |
|
5862 |
pre = &first_reset_entry; |
5863 |
while (*pre != NULL) |
5864 |
pre = &(*pre)->next; |
5865 |
re = qemu_mallocz(sizeof(QEMUResetEntry));
|
5866 |
re->func = func; |
5867 |
re->opaque = opaque; |
5868 |
re->next = NULL;
|
5869 |
*pre = re; |
5870 |
} |
5871 |
|
5872 |
void qemu_system_reset(void) |
5873 |
{ |
5874 |
QEMUResetEntry *re; |
5875 |
|
5876 |
/* reset all devices */
|
5877 |
for(re = first_reset_entry; re != NULL; re = re->next) { |
5878 |
re->func(re->opaque); |
5879 |
} |
5880 |
} |
5881 |
|
5882 |
void qemu_system_reset_request(void) |
5883 |
{ |
5884 |
if (no_reboot) {
|
5885 |
shutdown_requested = 1;
|
5886 |
} else {
|
5887 |
reset_requested = 1;
|
5888 |
} |
5889 |
if (cpu_single_env)
|
5890 |
cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); |
5891 |
} |
5892 |
|
5893 |
void qemu_system_shutdown_request(void) |
5894 |
{ |
5895 |
shutdown_requested = 1;
|
5896 |
if (cpu_single_env)
|
5897 |
cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); |
5898 |
} |
5899 |
|
5900 |
void qemu_system_powerdown_request(void) |
5901 |
{ |
5902 |
powerdown_requested = 1;
|
5903 |
if (cpu_single_env)
|
5904 |
cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); |
5905 |
} |
5906 |
|
5907 |
void main_loop_wait(int timeout) |
5908 |
{ |
5909 |
IOHandlerRecord *ioh, *ioh_next; |
5910 |
fd_set rfds, wfds, xfds; |
5911 |
int ret, nfds;
|
5912 |
struct timeval tv;
|
5913 |
PollingEntry *pe; |
5914 |
|
5915 |
|
5916 |
/* XXX: need to suppress polling by better using win32 events */
|
5917 |
ret = 0;
|
5918 |
for(pe = first_polling_entry; pe != NULL; pe = pe->next) { |
5919 |
ret |= pe->func(pe->opaque); |
5920 |
} |
5921 |
#ifdef _WIN32
|
5922 |
if (ret == 0 && timeout > 0) { |
5923 |
int err;
|
5924 |
WaitObjects *w = &wait_objects; |
5925 |
|
5926 |
ret = WaitForMultipleObjects(w->num, w->events, FALSE, timeout); |
5927 |
if (WAIT_OBJECT_0 + 0 <= ret && ret <= WAIT_OBJECT_0 + w->num - 1) { |
5928 |
if (w->func[ret - WAIT_OBJECT_0])
|
5929 |
w->func[ret - WAIT_OBJECT_0](w->opaque[ret - WAIT_OBJECT_0]); |
5930 |
} else if (ret == WAIT_TIMEOUT) { |
5931 |
} else {
|
5932 |
err = GetLastError(); |
5933 |
fprintf(stderr, "Wait error %d %d\n", ret, err);
|
5934 |
} |
5935 |
} |
5936 |
#endif
|
5937 |
/* poll any events */
|
5938 |
/* XXX: separate device handlers from system ones */
|
5939 |
nfds = -1;
|
5940 |
FD_ZERO(&rfds); |
5941 |
FD_ZERO(&wfds); |
5942 |
FD_ZERO(&xfds); |
5943 |
for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { |
5944 |
if (ioh->fd_read &&
|
5945 |
(!ioh->fd_read_poll || |
5946 |
ioh->fd_read_poll(ioh->opaque) != 0)) {
|
5947 |
FD_SET(ioh->fd, &rfds); |
5948 |
if (ioh->fd > nfds)
|
5949 |
nfds = ioh->fd; |
5950 |
} |
5951 |
if (ioh->fd_write) {
|
5952 |
FD_SET(ioh->fd, &wfds); |
5953 |
if (ioh->fd > nfds)
|
5954 |
nfds = ioh->fd; |
5955 |
} |
5956 |
} |
5957 |
|
5958 |
tv.tv_sec = 0;
|
5959 |
#ifdef _WIN32
|
5960 |
tv.tv_usec = 0;
|
5961 |
#else
|
5962 |
tv.tv_usec = timeout * 1000;
|
5963 |
#endif
|
5964 |
#if defined(CONFIG_SLIRP)
|
5965 |
if (slirp_inited) {
|
5966 |
slirp_select_fill(&nfds, &rfds, &wfds, &xfds); |
5967 |
} |
5968 |
#endif
|
5969 |
ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
|
5970 |
if (ret > 0) { |
5971 |
/* XXX: better handling of removal */
|
5972 |
for(ioh = first_io_handler; ioh != NULL; ioh = ioh_next) { |
5973 |
ioh_next = ioh->next; |
5974 |
if (FD_ISSET(ioh->fd, &rfds)) {
|
5975 |
ioh->fd_read(ioh->opaque); |
5976 |
} |
5977 |
if (FD_ISSET(ioh->fd, &wfds)) {
|
5978 |
ioh->fd_write(ioh->opaque); |
5979 |
} |
5980 |
} |
5981 |
} |
5982 |
#if defined(CONFIG_SLIRP)
|
5983 |
if (slirp_inited) {
|
5984 |
if (ret < 0) { |
5985 |
FD_ZERO(&rfds); |
5986 |
FD_ZERO(&wfds); |
5987 |
FD_ZERO(&xfds); |
5988 |
} |
5989 |
slirp_select_poll(&rfds, &wfds, &xfds); |
5990 |
} |
5991 |
#endif
|
5992 |
qemu_aio_poll(); |
5993 |
qemu_bh_poll(); |
5994 |
|
5995 |
if (vm_running) {
|
5996 |
qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL], |
5997 |
qemu_get_clock(vm_clock)); |
5998 |
/* run dma transfers, if any */
|
5999 |
DMA_run(); |
6000 |
} |
6001 |
|
6002 |
/* real time timers */
|
6003 |
qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME], |
6004 |
qemu_get_clock(rt_clock)); |
6005 |
} |
6006 |
|
6007 |
static CPUState *cur_cpu;
|
6008 |
|
6009 |
int main_loop(void) |
6010 |
{ |
6011 |
int ret, timeout;
|
6012 |
#ifdef CONFIG_PROFILER
|
6013 |
int64_t ti; |
6014 |
#endif
|
6015 |
CPUState *env; |
6016 |
|
6017 |
cur_cpu = first_cpu; |
6018 |
for(;;) {
|
6019 |
if (vm_running) {
|
6020 |
|
6021 |
env = cur_cpu; |
6022 |
for(;;) {
|
6023 |
/* get next cpu */
|
6024 |
env = env->next_cpu; |
6025 |
if (!env)
|
6026 |
env = first_cpu; |
6027 |
#ifdef CONFIG_PROFILER
|
6028 |
ti = profile_getclock(); |
6029 |
#endif
|
6030 |
ret = cpu_exec(env); |
6031 |
#ifdef CONFIG_PROFILER
|
6032 |
qemu_time += profile_getclock() - ti; |
6033 |
#endif
|
6034 |
if (ret != EXCP_HALTED)
|
6035 |
break;
|
6036 |
/* all CPUs are halted ? */
|
6037 |
if (env == cur_cpu) {
|
6038 |
ret = EXCP_HLT; |
6039 |
break;
|
6040 |
} |
6041 |
} |
6042 |
cur_cpu = env; |
6043 |
|
6044 |
if (shutdown_requested) {
|
6045 |
ret = EXCP_INTERRUPT; |
6046 |
break;
|
6047 |
} |
6048 |
if (reset_requested) {
|
6049 |
reset_requested = 0;
|
6050 |
qemu_system_reset(); |
6051 |
ret = EXCP_INTERRUPT; |
6052 |
} |
6053 |
if (powerdown_requested) {
|
6054 |
powerdown_requested = 0;
|
6055 |
qemu_system_powerdown(); |
6056 |
ret = EXCP_INTERRUPT; |
6057 |
} |
6058 |
if (ret == EXCP_DEBUG) {
|
6059 |
vm_stop(EXCP_DEBUG); |
6060 |
} |
6061 |
/* if hlt instruction, we wait until the next IRQ */
|
6062 |
/* XXX: use timeout computed from timers */
|
6063 |
if (ret == EXCP_HLT)
|
6064 |
timeout = 10;
|
6065 |
else
|
6066 |
timeout = 0;
|
6067 |
} else {
|
6068 |
timeout = 10;
|
6069 |
} |
6070 |
#ifdef CONFIG_PROFILER
|
6071 |
ti = profile_getclock(); |
6072 |
#endif
|
6073 |
main_loop_wait(timeout); |
6074 |
#ifdef CONFIG_PROFILER
|
6075 |
dev_time += profile_getclock() - ti; |
6076 |
#endif
|
6077 |
} |
6078 |
cpu_disable_ticks(); |
6079 |
return ret;
|
6080 |
} |
6081 |
|
6082 |
void help(void) |
6083 |
{ |
6084 |
printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003-2006 Fabrice Bellard\n" |
6085 |
"usage: %s [options] [disk_image]\n"
|
6086 |
"\n"
|
6087 |
"'disk_image' is a raw hard image image for IDE hard disk 0\n"
|
6088 |
"\n"
|
6089 |
"Standard options:\n"
|
6090 |
"-M machine select emulated machine (-M ? for list)\n"
|
6091 |
"-fda/-fdb file use 'file' as floppy disk 0/1 image\n"
|
6092 |
"-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n"
|
6093 |
"-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n"
|
6094 |
"-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n"
|
6095 |
"-boot [a|c|d] boot on floppy (a), hard disk (c) or CD-ROM (d)\n"
|
6096 |
"-disk ide,img=file[,hdx=a..dd][,type=disk|cdrom] \n"
|
6097 |
" defaults are: hdx=a,type=disk \n"
|
6098 |
"-disk scsi,img=file[,sdx=a..g][,type=disk|cdrom][,id=n] \n"
|
6099 |
" defaults are: sdx=a,type=disk,id='auto assign' \n"
|
6100 |
"-snapshot write to temporary files instead of disk image files\n"
|
6101 |
#ifdef CONFIG_SDL
|
6102 |
"-no-quit disable SDL window close capability\n"
|
6103 |
#endif
|
6104 |
#ifdef TARGET_I386
|
6105 |
"-no-fd-bootchk disable boot signature checking for floppy disks\n"
|
6106 |
#endif
|
6107 |
"-m megs set virtual RAM size to megs MB [default=%d]\n"
|
6108 |
"-smp n set the number of CPUs to 'n' [default=1]\n"
|
6109 |
"-nographic disable graphical output and redirect serial I/Os to console\n"
|
6110 |
#ifndef _WIN32
|
6111 |
"-k language use keyboard layout (for example \"fr\" for French)\n"
|
6112 |
#endif
|
6113 |
#ifdef HAS_AUDIO
|
6114 |
"-audio-help print list of audio drivers and their options\n"
|
6115 |
"-soundhw c1,... enable audio support\n"
|
6116 |
" and only specified sound cards (comma separated list)\n"
|
6117 |
" use -soundhw ? to get the list of supported cards\n"
|
6118 |
" use -soundhw all to enable all of them\n"
|
6119 |
#endif
|
6120 |
"-localtime set the real time clock to local time [default=utc]\n"
|
6121 |
"-full-screen start in full screen\n"
|
6122 |
#ifdef TARGET_I386
|
6123 |
"-win2k-hack use it when installing Windows 2000 to avoid a disk full bug\n"
|
6124 |
#endif
|
6125 |
"-usb enable the USB driver (will be the default soon)\n"
|
6126 |
"-usbdevice name add the host or guest USB device 'name'\n"
|
6127 |
#if defined(TARGET_PPC) || defined(TARGET_SPARC)
|
6128 |
"-g WxH[xDEPTH] Set the initial graphical resolution and depth\n"
|
6129 |
#endif
|
6130 |
"\n"
|
6131 |
"Network options:\n"
|
6132 |
"-net nic[,vlan=n][,macaddr=addr][,model=type]\n"
|
6133 |
" create a new Network Interface Card and connect it to VLAN 'n'\n"
|
6134 |
#ifdef CONFIG_SLIRP
|
6135 |
"-net user[,vlan=n][,hostname=host]\n"
|
6136 |
" connect the user mode network stack to VLAN 'n' and send\n"
|
6137 |
" hostname 'host' to DHCP clients\n"
|
6138 |
#endif
|
6139 |
#ifdef _WIN32
|
6140 |
"-net tap[,vlan=n],ifname=name\n"
|
6141 |
" connect the host TAP network interface to VLAN 'n'\n"
|
6142 |
#else
|
6143 |
"-net tap[,vlan=n][,fd=h][,ifname=name][,script=file]\n"
|
6144 |
" connect the host TAP network interface to VLAN 'n' and use\n"
|
6145 |
" the network script 'file' (default=%s);\n"
|
6146 |
" use 'fd=h' to connect to an already opened TAP interface\n"
|
6147 |
#endif
|
6148 |
"-net socket[,vlan=n][,fd=h][,listen=[host]:port][,connect=host:port]\n"
|
6149 |
" connect the vlan 'n' to another VLAN using a socket connection\n"
|
6150 |
"-net socket[,vlan=n][,fd=h][,mcast=maddr:port]\n"
|
6151 |
" connect the vlan 'n' to multicast maddr and port\n"
|
6152 |
"-net none use it alone to have zero network devices; if no -net option\n"
|
6153 |
" is provided, the default is '-net nic -net user'\n"
|
6154 |
"\n"
|
6155 |
#ifdef CONFIG_SLIRP
|
6156 |
"-tftp prefix allow tftp access to files starting with prefix [-net user]\n"
|
6157 |
#ifndef _WIN32
|
6158 |
"-smb dir allow SMB access to files in 'dir' [-net user]\n"
|
6159 |
#endif
|
6160 |
"-redir [tcp|udp]:host-port:[guest-host]:guest-port\n"
|
6161 |
" redirect TCP or UDP connections from host to guest [-net user]\n"
|
6162 |
#endif
|
6163 |
"\n"
|
6164 |
"Linux boot specific:\n"
|
6165 |
"-kernel bzImage use 'bzImage' as kernel image\n"
|
6166 |
"-append cmdline use 'cmdline' as kernel command line\n"
|
6167 |
"-initrd file use 'file' as initial ram disk\n"
|
6168 |
"\n"
|
6169 |
"Debug/Expert options:\n"
|
6170 |
"-monitor dev redirect the monitor to char device 'dev'\n"
|
6171 |
"-serial dev redirect the serial port to char device 'dev'\n"
|
6172 |
"-parallel dev redirect the parallel port to char device 'dev'\n"
|
6173 |
"-pidfile file Write PID to 'file'\n"
|
6174 |
"-S freeze CPU at startup (use 'c' to start execution)\n"
|
6175 |
"-s wait gdb connection to port %d\n"
|
6176 |
"-p port change gdb connection port\n"
|
6177 |
"-d item1,... output log to %s (use -d ? for a list of log items)\n"
|
6178 |
"-hdachs c,h,s[,t] force hard disk 0 physical geometry and the optional BIOS\n"
|
6179 |
" translation (t=none or lba) (usually qemu can guess them)\n"
|
6180 |
"-L path set the directory for the BIOS, VGA BIOS and keymaps\n"
|
6181 |
#ifdef USE_KQEMU
|
6182 |
"-kernel-kqemu enable KQEMU full virtualization (default is user mode only)\n"
|
6183 |
"-no-kqemu disable KQEMU kernel module usage\n"
|
6184 |
#endif
|
6185 |
#ifdef USE_CODE_COPY
|
6186 |
"-no-code-copy disable code copy acceleration\n"
|
6187 |
#endif
|
6188 |
#ifdef TARGET_I386
|
6189 |
"-std-vga simulate a standard VGA card with VESA Bochs Extensions\n"
|
6190 |
" (default is CL-GD5446 PCI VGA)\n"
|
6191 |
"-no-acpi disable ACPI\n"
|
6192 |
#endif
|
6193 |
"-no-reboot exit instead of rebooting\n"
|
6194 |
"-loadvm file start right away with a saved state (loadvm in monitor)\n"
|
6195 |
"-vnc display start a VNC server on display\n"
|
6196 |
#ifndef _WIN32
|
6197 |
"-daemonize daemonize QEMU after initializing\n"
|
6198 |
#endif
|
6199 |
"\n"
|
6200 |
"During emulation, the following keys are useful:\n"
|
6201 |
"ctrl-alt-f toggle full screen\n"
|
6202 |
"ctrl-alt-n switch to virtual console 'n'\n"
|
6203 |
"ctrl-alt toggle mouse and keyboard grab\n"
|
6204 |
"\n"
|
6205 |
"When using -nographic, press 'ctrl-a h' to get some help.\n"
|
6206 |
, |
6207 |
"qemu",
|
6208 |
DEFAULT_RAM_SIZE, |
6209 |
#ifndef _WIN32
|
6210 |
DEFAULT_NETWORK_SCRIPT, |
6211 |
#endif
|
6212 |
DEFAULT_GDBSTUB_PORT, |
6213 |
"/tmp/qemu.log");
|
6214 |
exit(1);
|
6215 |
} |
6216 |
|
6217 |
#define HAS_ARG 0x0001 |
6218 |
|
6219 |
enum {
|
6220 |
QEMU_OPTION_h, |
6221 |
|
6222 |
QEMU_OPTION_M, |
6223 |
QEMU_OPTION_fda, |
6224 |
QEMU_OPTION_fdb, |
6225 |
QEMU_OPTION_hda, |
6226 |
QEMU_OPTION_hdb, |
6227 |
QEMU_OPTION_hdc, |
6228 |
QEMU_OPTION_hdd, |
6229 |
QEMU_OPTION_cdrom, |
6230 |
QEMU_OPTION_boot, |
6231 |
QEMU_OPTION_snapshot, |
6232 |
#ifdef TARGET_I386
|
6233 |
QEMU_OPTION_no_fd_bootchk, |
6234 |
#endif
|
6235 |
QEMU_OPTION_m, |
6236 |
QEMU_OPTION_nographic, |
6237 |
#ifdef HAS_AUDIO
|
6238 |
QEMU_OPTION_audio_help, |
6239 |
QEMU_OPTION_soundhw, |
6240 |
#endif
|
6241 |
|
6242 |
QEMU_OPTION_net, |
6243 |
QEMU_OPTION_tftp, |
6244 |
QEMU_OPTION_smb, |
6245 |
QEMU_OPTION_redir, |
6246 |
|
6247 |
QEMU_OPTION_kernel, |
6248 |
QEMU_OPTION_append, |
6249 |
QEMU_OPTION_initrd, |
6250 |
|
6251 |
QEMU_OPTION_S, |
6252 |
QEMU_OPTION_s, |
6253 |
QEMU_OPTION_p, |
6254 |
QEMU_OPTION_d, |
6255 |
QEMU_OPTION_hdachs, |
6256 |
QEMU_OPTION_L, |
6257 |
QEMU_OPTION_no_code_copy, |
6258 |
QEMU_OPTION_k, |
6259 |
QEMU_OPTION_localtime, |
6260 |
QEMU_OPTION_cirrusvga, |
6261 |
QEMU_OPTION_g, |
6262 |
QEMU_OPTION_std_vga, |
6263 |
QEMU_OPTION_monitor, |
6264 |
QEMU_OPTION_serial, |
6265 |
QEMU_OPTION_parallel, |
6266 |
QEMU_OPTION_loadvm, |
6267 |
QEMU_OPTION_full_screen, |
6268 |
QEMU_OPTION_no_quit, |
6269 |
QEMU_OPTION_pidfile, |
6270 |
QEMU_OPTION_no_kqemu, |
6271 |
QEMU_OPTION_kernel_kqemu, |
6272 |
QEMU_OPTION_win2k_hack, |
6273 |
QEMU_OPTION_usb, |
6274 |
QEMU_OPTION_usbdevice, |
6275 |
QEMU_OPTION_smp, |
6276 |
QEMU_OPTION_vnc, |
6277 |
QEMU_OPTION_no_acpi, |
6278 |
QEMU_OPTION_no_reboot, |
6279 |
QEMU_OPTION_daemonize, |
6280 |
QEMU_OPTION_disk, |
6281 |
}; |
6282 |
|
6283 |
typedef struct QEMUOption { |
6284 |
const char *name; |
6285 |
int flags;
|
6286 |
int index;
|
6287 |
} QEMUOption; |
6288 |
|
6289 |
const QEMUOption qemu_options[] = {
|
6290 |
{ "h", 0, QEMU_OPTION_h }, |
6291 |
|
6292 |
{ "M", HAS_ARG, QEMU_OPTION_M },
|
6293 |
{ "fda", HAS_ARG, QEMU_OPTION_fda },
|
6294 |
{ "fdb", HAS_ARG, QEMU_OPTION_fdb },
|
6295 |
{ "hda", HAS_ARG, QEMU_OPTION_hda },
|
6296 |
{ "hdb", HAS_ARG, QEMU_OPTION_hdb },
|
6297 |
{ "hdc", HAS_ARG, QEMU_OPTION_hdc },
|
6298 |
{ "hdd", HAS_ARG, QEMU_OPTION_hdd },
|
6299 |
{ "cdrom", HAS_ARG, QEMU_OPTION_cdrom },
|
6300 |
{ "boot", HAS_ARG, QEMU_OPTION_boot },
|
6301 |
{ "snapshot", 0, QEMU_OPTION_snapshot }, |
6302 |
#ifdef TARGET_I386
|
6303 |
{ "no-fd-bootchk", 0, QEMU_OPTION_no_fd_bootchk }, |
6304 |
#endif
|
6305 |
{ "m", HAS_ARG, QEMU_OPTION_m },
|
6306 |
{ "nographic", 0, QEMU_OPTION_nographic }, |
6307 |
{ "k", HAS_ARG, QEMU_OPTION_k },
|
6308 |
#ifdef HAS_AUDIO
|
6309 |
{ "audio-help", 0, QEMU_OPTION_audio_help }, |
6310 |
{ "soundhw", HAS_ARG, QEMU_OPTION_soundhw },
|
6311 |
#endif
|
6312 |
|
6313 |
{ "net", HAS_ARG, QEMU_OPTION_net},
|
6314 |
#ifdef CONFIG_SLIRP
|
6315 |
{ "tftp", HAS_ARG, QEMU_OPTION_tftp },
|
6316 |
#ifndef _WIN32
|
6317 |
{ "smb", HAS_ARG, QEMU_OPTION_smb },
|
6318 |
#endif
|
6319 |
{ "redir", HAS_ARG, QEMU_OPTION_redir },
|
6320 |
#endif
|
6321 |
|
6322 |
{ "kernel", HAS_ARG, QEMU_OPTION_kernel },
|
6323 |
{ "append", HAS_ARG, QEMU_OPTION_append },
|
6324 |
{ "initrd", HAS_ARG, QEMU_OPTION_initrd },
|
6325 |
|
6326 |
{ "S", 0, QEMU_OPTION_S }, |
6327 |
{ "s", 0, QEMU_OPTION_s }, |
6328 |
{ "p", HAS_ARG, QEMU_OPTION_p },
|
6329 |
{ "d", HAS_ARG, QEMU_OPTION_d },
|
6330 |
{ "hdachs", HAS_ARG, QEMU_OPTION_hdachs },
|
6331 |
{ "L", HAS_ARG, QEMU_OPTION_L },
|
6332 |
{ "no-code-copy", 0, QEMU_OPTION_no_code_copy }, |
6333 |
#ifdef USE_KQEMU
|
6334 |
{ "no-kqemu", 0, QEMU_OPTION_no_kqemu }, |
6335 |
{ "kernel-kqemu", 0, QEMU_OPTION_kernel_kqemu }, |
6336 |
#endif
|
6337 |
#if defined(TARGET_PPC) || defined(TARGET_SPARC)
|
6338 |
{ "g", 1, QEMU_OPTION_g }, |
6339 |
#endif
|
6340 |
{ "localtime", 0, QEMU_OPTION_localtime }, |
6341 |
{ "std-vga", 0, QEMU_OPTION_std_vga }, |
6342 |
{ "monitor", 1, QEMU_OPTION_monitor }, |
6343 |
{ "serial", 1, QEMU_OPTION_serial }, |
6344 |
{ "parallel", 1, QEMU_OPTION_parallel }, |
6345 |
{ "loadvm", HAS_ARG, QEMU_OPTION_loadvm },
|
6346 |
{ "full-screen", 0, QEMU_OPTION_full_screen }, |
6347 |
#ifdef CONFIG_SDL
|
6348 |
{ "no-quit", 0, QEMU_OPTION_no_quit }, |
6349 |
#endif
|
6350 |
{ "pidfile", HAS_ARG, QEMU_OPTION_pidfile },
|
6351 |
{ "win2k-hack", 0, QEMU_OPTION_win2k_hack }, |
6352 |
{ "usbdevice", HAS_ARG, QEMU_OPTION_usbdevice },
|
6353 |
{ "smp", HAS_ARG, QEMU_OPTION_smp },
|
6354 |
{ "vnc", HAS_ARG, QEMU_OPTION_vnc },
|
6355 |
{ "disk", HAS_ARG, QEMU_OPTION_disk },
|
6356 |
|
6357 |
/* temporary options */
|
6358 |
{ "usb", 0, QEMU_OPTION_usb }, |
6359 |
{ "cirrusvga", 0, QEMU_OPTION_cirrusvga }, |
6360 |
{ "no-acpi", 0, QEMU_OPTION_no_acpi }, |
6361 |
{ "no-reboot", 0, QEMU_OPTION_no_reboot }, |
6362 |
{ "daemonize", 0, QEMU_OPTION_daemonize }, |
6363 |
{ NULL },
|
6364 |
}; |
6365 |
|
6366 |
#if defined (TARGET_I386) && defined(USE_CODE_COPY)
|
6367 |
|
6368 |
/* this stack is only used during signal handling */
|
6369 |
#define SIGNAL_STACK_SIZE 32768 |
6370 |
|
6371 |
static uint8_t *signal_stack;
|
6372 |
|
6373 |
#endif
|
6374 |
|
6375 |
/* password input */
|
6376 |
|
6377 |
static BlockDriverState *get_bdrv(int index) |
6378 |
{ |
6379 |
BlockDriverState *bs; |
6380 |
|
6381 |
if (index < 4) { |
6382 |
bs = bs_table[index]; |
6383 |
} else if (index < 6) { |
6384 |
bs = fd_table[index - 4];
|
6385 |
} else {
|
6386 |
bs = NULL;
|
6387 |
} |
6388 |
return bs;
|
6389 |
} |
6390 |
|
6391 |
static void read_passwords(void) |
6392 |
{ |
6393 |
BlockDriverState *bs; |
6394 |
int i, j;
|
6395 |
char password[256]; |
6396 |
|
6397 |
for(i = 0; i < 6; i++) { |
6398 |
bs = get_bdrv(i); |
6399 |
if (bs && bdrv_is_encrypted(bs)) {
|
6400 |
term_printf("%s is encrypted.\n", bdrv_get_device_name(bs));
|
6401 |
for(j = 0; j < 3; j++) { |
6402 |
monitor_readline("Password: ",
|
6403 |
1, password, sizeof(password)); |
6404 |
if (bdrv_set_key(bs, password) == 0) |
6405 |
break;
|
6406 |
term_printf("invalid password\n");
|
6407 |
} |
6408 |
} |
6409 |
} |
6410 |
} |
6411 |
|
6412 |
/* XXX: currently we cannot use simultaneously different CPUs */
|
6413 |
void register_machines(void) |
6414 |
{ |
6415 |
#if defined(TARGET_I386)
|
6416 |
qemu_register_machine(&pc_machine); |
6417 |
qemu_register_machine(&isapc_machine); |
6418 |
#elif defined(TARGET_PPC)
|
6419 |
qemu_register_machine(&heathrow_machine); |
6420 |
qemu_register_machine(&core99_machine); |
6421 |
qemu_register_machine(&prep_machine); |
6422 |
#elif defined(TARGET_MIPS)
|
6423 |
qemu_register_machine(&mips_machine); |
6424 |
#elif defined(TARGET_SPARC)
|
6425 |
#ifdef TARGET_SPARC64
|
6426 |
qemu_register_machine(&sun4u_machine); |
6427 |
#else
|
6428 |
qemu_register_machine(&sun4m_machine); |
6429 |
#endif
|
6430 |
#elif defined(TARGET_ARM)
|
6431 |
qemu_register_machine(&integratorcp926_machine); |
6432 |
qemu_register_machine(&integratorcp1026_machine); |
6433 |
qemu_register_machine(&versatilepb_machine); |
6434 |
qemu_register_machine(&versatileab_machine); |
6435 |
qemu_register_machine(&realview_machine); |
6436 |
#elif defined(TARGET_SH4)
|
6437 |
qemu_register_machine(&shix_machine); |
6438 |
#else
|
6439 |
#error unsupported CPU
|
6440 |
#endif
|
6441 |
} |
6442 |
|
6443 |
#ifdef HAS_AUDIO
|
6444 |
struct soundhw soundhw[] = {
|
6445 |
#ifdef TARGET_I386
|
6446 |
{ |
6447 |
"pcspk",
|
6448 |
"PC speaker",
|
6449 |
0,
|
6450 |
1,
|
6451 |
{ .init_isa = pcspk_audio_init } |
6452 |
}, |
6453 |
#endif
|
6454 |
{ |
6455 |
"sb16",
|
6456 |
"Creative Sound Blaster 16",
|
6457 |
0,
|
6458 |
1,
|
6459 |
{ .init_isa = SB16_init } |
6460 |
}, |
6461 |
|
6462 |
#ifdef CONFIG_ADLIB
|
6463 |
{ |
6464 |
"adlib",
|
6465 |
#ifdef HAS_YMF262
|
6466 |
"Yamaha YMF262 (OPL3)",
|
6467 |
#else
|
6468 |
"Yamaha YM3812 (OPL2)",
|
6469 |
#endif
|
6470 |
0,
|
6471 |
1,
|
6472 |
{ .init_isa = Adlib_init } |
6473 |
}, |
6474 |
#endif
|
6475 |
|
6476 |
#ifdef CONFIG_GUS
|
6477 |
{ |
6478 |
"gus",
|
6479 |
"Gravis Ultrasound GF1",
|
6480 |
0,
|
6481 |
1,
|
6482 |
{ .init_isa = GUS_init } |
6483 |
}, |
6484 |
#endif
|
6485 |
|
6486 |
{ |
6487 |
"es1370",
|
6488 |
"ENSONIQ AudioPCI ES1370",
|
6489 |
0,
|
6490 |
0,
|
6491 |
{ .init_pci = es1370_init } |
6492 |
}, |
6493 |
|
6494 |
{ NULL, NULL, 0, 0, { NULL } } |
6495 |
}; |
6496 |
|
6497 |
static void select_soundhw (const char *optarg) |
6498 |
{ |
6499 |
struct soundhw *c;
|
6500 |
|
6501 |
if (*optarg == '?') { |
6502 |
show_valid_cards:
|
6503 |
|
6504 |
printf ("Valid sound card names (comma separated):\n");
|
6505 |
for (c = soundhw; c->name; ++c) {
|
6506 |
printf ("%-11s %s\n", c->name, c->descr);
|
6507 |
} |
6508 |
printf ("\n-soundhw all will enable all of the above\n");
|
6509 |
exit (*optarg != '?');
|
6510 |
} |
6511 |
else {
|
6512 |
size_t l; |
6513 |
const char *p; |
6514 |
char *e;
|
6515 |
int bad_card = 0; |
6516 |
|
6517 |
if (!strcmp (optarg, "all")) { |
6518 |
for (c = soundhw; c->name; ++c) {
|
6519 |
c->enabled = 1;
|
6520 |
} |
6521 |
return;
|
6522 |
} |
6523 |
|
6524 |
p = optarg; |
6525 |
while (*p) {
|
6526 |
e = strchr (p, ',');
|
6527 |
l = !e ? strlen (p) : (size_t) (e - p); |
6528 |
|
6529 |
for (c = soundhw; c->name; ++c) {
|
6530 |
if (!strncmp (c->name, p, l)) {
|
6531 |
c->enabled = 1;
|
6532 |
break;
|
6533 |
} |
6534 |
} |
6535 |
|
6536 |
if (!c->name) {
|
6537 |
if (l > 80) { |
6538 |
fprintf (stderr, |
6539 |
"Unknown sound card name (too big to show)\n");
|
6540 |
} |
6541 |
else {
|
6542 |
fprintf (stderr, "Unknown sound card name `%.*s'\n",
|
6543 |
(int) l, p);
|
6544 |
} |
6545 |
bad_card = 1;
|
6546 |
} |
6547 |
p += l + (e != NULL);
|
6548 |
} |
6549 |
|
6550 |
if (bad_card)
|
6551 |
goto show_valid_cards;
|
6552 |
} |
6553 |
} |
6554 |
#endif
|
6555 |
|
6556 |
#ifdef _WIN32
|
6557 |
static BOOL WINAPI qemu_ctrl_handler(DWORD type)
|
6558 |
{ |
6559 |
exit(STATUS_CONTROL_C_EXIT); |
6560 |
return TRUE;
|
6561 |
} |
6562 |
#endif
|
6563 |
|
6564 |
#define MAX_NET_CLIENTS 32 |
6565 |
|
6566 |
int main(int argc, char **argv) |
6567 |
{ |
6568 |
#ifdef CONFIG_GDBSTUB
|
6569 |
int use_gdbstub, gdbstub_port;
|
6570 |
#endif
|
6571 |
int i, cdrom_index;
|
6572 |
int snapshot, linux_boot;
|
6573 |
const char *initrd_filename; |
6574 |
const char *fd_filename[MAX_FD]; |
6575 |
char scsi_options[MAX_SCSI_DISKS] [DISK_OPTIONS_SIZE];
|
6576 |
char ide_options[MAX_DISKS] [DISK_OPTIONS_SIZE];
|
6577 |
int num_ide_disks;
|
6578 |
int num_scsi_disks;
|
6579 |
const char *kernel_filename, *kernel_cmdline; |
6580 |
DisplayState *ds = &display_state; |
6581 |
int cyls, heads, secs, translation;
|
6582 |
int start_emulation = 1; |
6583 |
char net_clients[MAX_NET_CLIENTS][256]; |
6584 |
int nb_net_clients;
|
6585 |
int optind;
|
6586 |
const char *r, *optarg; |
6587 |
CharDriverState *monitor_hd; |
6588 |
char monitor_device[128]; |
6589 |
char serial_devices[MAX_SERIAL_PORTS][128]; |
6590 |
int serial_device_index;
|
6591 |
char parallel_devices[MAX_PARALLEL_PORTS][128]; |
6592 |
int parallel_device_index;
|
6593 |
const char *loadvm = NULL; |
6594 |
QEMUMachine *machine; |
6595 |
char usb_devices[MAX_USB_CMDLINE][128]; |
6596 |
int usb_devices_index;
|
6597 |
int fds[2]; |
6598 |
|
6599 |
LIST_INIT (&vm_change_state_head); |
6600 |
#ifndef _WIN32
|
6601 |
{ |
6602 |
struct sigaction act;
|
6603 |
sigfillset(&act.sa_mask); |
6604 |
act.sa_flags = 0;
|
6605 |
act.sa_handler = SIG_IGN; |
6606 |
sigaction(SIGPIPE, &act, NULL);
|
6607 |
} |
6608 |
#else
|
6609 |
SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE); |
6610 |
/* Note: cpu_interrupt() is currently not SMP safe, so we force
|
6611 |
QEMU to run on a single CPU */
|
6612 |
{ |
6613 |
HANDLE h; |
6614 |
DWORD mask, smask; |
6615 |
int i;
|
6616 |
h = GetCurrentProcess(); |
6617 |
if (GetProcessAffinityMask(h, &mask, &smask)) {
|
6618 |
for(i = 0; i < 32; i++) { |
6619 |
if (mask & (1 << i)) |
6620 |
break;
|
6621 |
} |
6622 |
if (i != 32) { |
6623 |
mask = 1 << i;
|
6624 |
SetProcessAffinityMask(h, mask); |
6625 |
} |
6626 |
} |
6627 |
} |
6628 |
#endif
|
6629 |
|
6630 |
register_machines(); |
6631 |
machine = first_machine; |
6632 |
initrd_filename = NULL;
|
6633 |
for(i = 0; i < MAX_SCSI_DISKS; i++) { |
6634 |
scsi_disks_info[i].device_type = SCSI_NONE; |
6635 |
bs_scsi_table[i] = NULL;
|
6636 |
} |
6637 |
|
6638 |
num_ide_disks = 0;
|
6639 |
num_scsi_disks = 0;
|
6640 |
|
6641 |
for(i = 0; i < MAX_FD; i++) |
6642 |
fd_filename[i] = NULL;
|
6643 |
for(i = 0; i < MAX_DISKS; i++) { |
6644 |
ide_options[i][0] = '\0'; |
6645 |
} |
6646 |
ram_size = DEFAULT_RAM_SIZE * 1024 * 1024; |
6647 |
vga_ram_size = VGA_RAM_SIZE; |
6648 |
bios_size = BIOS_SIZE; |
6649 |
#ifdef CONFIG_GDBSTUB
|
6650 |
use_gdbstub = 0;
|
6651 |
gdbstub_port = DEFAULT_GDBSTUB_PORT; |
6652 |
#endif
|
6653 |
snapshot = 0;
|
6654 |
nographic = 0;
|
6655 |
kernel_filename = NULL;
|
6656 |
kernel_cmdline = "";
|
6657 |
#ifdef TARGET_PPC
|
6658 |
cdrom_index = 1;
|
6659 |
#else
|
6660 |
cdrom_index = 2;
|
6661 |
#endif
|
6662 |
cyls = heads = secs = 0;
|
6663 |
translation = BIOS_ATA_TRANSLATION_AUTO; |
6664 |
pstrcpy(monitor_device, sizeof(monitor_device), "vc"); |
6665 |
|
6666 |
pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "vc"); |
6667 |
for(i = 1; i < MAX_SERIAL_PORTS; i++) |
6668 |
serial_devices[i][0] = '\0'; |
6669 |
serial_device_index = 0;
|
6670 |
|
6671 |
pstrcpy(parallel_devices[0], sizeof(parallel_devices[0]), "vc"); |
6672 |
for(i = 1; i < MAX_PARALLEL_PORTS; i++) |
6673 |
parallel_devices[i][0] = '\0'; |
6674 |
parallel_device_index = 0;
|
6675 |
|
6676 |
usb_devices_index = 0;
|
6677 |
|
6678 |
nb_net_clients = 0;
|
6679 |
|
6680 |
nb_nics = 0;
|
6681 |
/* default mac address of the first network interface */
|
6682 |
|
6683 |
optind = 1;
|
6684 |
for(;;) {
|
6685 |
if (optind >= argc)
|
6686 |
break;
|
6687 |
r = argv[optind]; |
6688 |
if (r[0] != '-') { |
6689 |
|
6690 |
/* Build new disk IDE syntax string */
|
6691 |
pstrcpy(ide_options[0],
|
6692 |
14,
|
6693 |
"hdx=a,img=");
|
6694 |
/*Add on image filename */
|
6695 |
pstrcpy(&(ide_options[0][13]), |
6696 |
sizeof(ide_options[0])-13, |
6697 |
argv[optind++]); |
6698 |
num_ide_disks++; |
6699 |
} else {
|
6700 |
const QEMUOption *popt;
|
6701 |
|
6702 |
optind++; |
6703 |
popt = qemu_options; |
6704 |
for(;;) {
|
6705 |
if (!popt->name) {
|
6706 |
fprintf(stderr, "%s: invalid option -- '%s'\n",
|
6707 |
argv[0], r);
|
6708 |
exit(1);
|
6709 |
} |
6710 |
if (!strcmp(popt->name, r + 1)) |
6711 |
break;
|
6712 |
popt++; |
6713 |
} |
6714 |
if (popt->flags & HAS_ARG) {
|
6715 |
if (optind >= argc) {
|
6716 |
fprintf(stderr, "%s: option '%s' requires an argument\n",
|
6717 |
argv[0], r);
|
6718 |
exit(1);
|
6719 |
} |
6720 |
optarg = argv[optind++]; |
6721 |
} else {
|
6722 |
optarg = NULL;
|
6723 |
} |
6724 |
|
6725 |
switch(popt->index) {
|
6726 |
case QEMU_OPTION_M:
|
6727 |
machine = find_machine(optarg); |
6728 |
if (!machine) {
|
6729 |
QEMUMachine *m; |
6730 |
printf("Supported machines are:\n");
|
6731 |
for(m = first_machine; m != NULL; m = m->next) { |
6732 |
printf("%-10s %s%s\n",
|
6733 |
m->name, m->desc, |
6734 |
m == first_machine ? " (default)" : ""); |
6735 |
} |
6736 |
exit(1);
|
6737 |
} |
6738 |
break;
|
6739 |
case QEMU_OPTION_initrd:
|
6740 |
initrd_filename = optarg; |
6741 |
break;
|
6742 |
case QEMU_OPTION_hda:
|
6743 |
case QEMU_OPTION_hdb:
|
6744 |
case QEMU_OPTION_hdc:
|
6745 |
case QEMU_OPTION_hdd:
|
6746 |
{ |
6747 |
int hd_index;
|
6748 |
const char newIDE_DiskSyntax [][10] = { |
6749 |
"hdx=a,img=", "hdx=b,img=", "hdx=c,img=", "hdx=d,img=" }; |
6750 |
|
6751 |
hd_index = popt->index - QEMU_OPTION_hda; |
6752 |
if (num_ide_disks >= MAX_DISKS){
|
6753 |
fprintf(stderr, "qemu: too many IDE disks defined.\n");
|
6754 |
exit(1);
|
6755 |
} |
6756 |
/* Build new disk IDE syntax string */
|
6757 |
pstrcpy(ide_options[hd_index], |
6758 |
11,
|
6759 |
newIDE_DiskSyntax[hd_index]); |
6760 |
/* Add on image filename */
|
6761 |
pstrcpy(&(ide_options[hd_index][10]),
|
6762 |
sizeof(ide_options[0])-10, |
6763 |
optarg); |
6764 |
num_ide_disks++; |
6765 |
} |
6766 |
break;
|
6767 |
case QEMU_OPTION_disk: /*Combined IDE and SCSI, for disk and CDROM */ |
6768 |
{ |
6769 |
const char *p_input_char; |
6770 |
char *p_output_string;
|
6771 |
char device[64]; |
6772 |
int disk_index;
|
6773 |
|
6774 |
p_input_char = optarg; |
6775 |
p_output_string = device; |
6776 |
while (*p_input_char != '\0' && *p_input_char != ',') { |
6777 |
if ((p_output_string - device) < sizeof(device) - 1) |
6778 |
*p_output_string++ = *p_input_char; |
6779 |
p_input_char++; |
6780 |
} |
6781 |
*p_output_string = '\0';
|
6782 |
if (*p_input_char == ',') |
6783 |
p_input_char++; |
6784 |
|
6785 |
if (!strcmp(device, "scsi")) { |
6786 |
if (num_scsi_disks >= MAX_SCSI_DISKS) {
|
6787 |
fprintf(stderr, "qemu: too many SCSI disks defined.\n");
|
6788 |
exit(1);
|
6789 |
} |
6790 |
pstrcpy(scsi_options[num_scsi_disks], |
6791 |
sizeof(scsi_options[0]), |
6792 |
p_input_char); |
6793 |
num_scsi_disks++; |
6794 |
} else if (!strcmp(device,"ide")) { |
6795 |
if (num_ide_disks >= MAX_DISKS) {
|
6796 |
fprintf(stderr, "qemu: too many IDE disks/cdroms defined.\n");
|
6797 |
exit(1);
|
6798 |
} |
6799 |
disk_index = 0; /* default is hda */ |
6800 |
if (get_param_value(device, sizeof(device),"hdx",p_input_char)) { |
6801 |
if (device[0] >= 'a' && device[0] <= 'd') { |
6802 |
disk_index = device[0] - 'a'; |
6803 |
} else {
|
6804 |
fprintf(stderr, "qemu: invalid IDE disk hdx= value: %s\n", device);
|
6805 |
return -1; |
6806 |
} |
6807 |
} |
6808 |
else disk_index=0; |
6809 |
pstrcpy(ide_options[disk_index], |
6810 |
sizeof(ide_options[0]), |
6811 |
p_input_char); |
6812 |
num_ide_disks++; |
6813 |
} else {
|
6814 |
fprintf(stderr, "qemu: -disk option must specify IDE or SCSI: %s \n",device);
|
6815 |
exit(1);
|
6816 |
} |
6817 |
} |
6818 |
break;
|
6819 |
case QEMU_OPTION_snapshot:
|
6820 |
snapshot = 1;
|
6821 |
break;
|
6822 |
case QEMU_OPTION_hdachs:
|
6823 |
{ |
6824 |
const char *p; |
6825 |
p = optarg; |
6826 |
cyls = strtol(p, (char **)&p, 0); |
6827 |
if (cyls < 1 || cyls > 16383) |
6828 |
goto chs_fail;
|
6829 |
if (*p != ',') |
6830 |
goto chs_fail;
|
6831 |
p++; |
6832 |
heads = strtol(p, (char **)&p, 0); |
6833 |
if (heads < 1 || heads > 16) |
6834 |
goto chs_fail;
|
6835 |
if (*p != ',') |
6836 |
goto chs_fail;
|
6837 |
p++; |
6838 |
secs = strtol(p, (char **)&p, 0); |
6839 |
if (secs < 1 || secs > 63) |
6840 |
goto chs_fail;
|
6841 |
if (*p == ',') { |
6842 |
p++; |
6843 |
if (!strcmp(p, "none")) |
6844 |
translation = BIOS_ATA_TRANSLATION_NONE; |
6845 |
else if (!strcmp(p, "lba")) |
6846 |
translation = BIOS_ATA_TRANSLATION_LBA; |
6847 |
else if (!strcmp(p, "auto")) |
6848 |
translation = BIOS_ATA_TRANSLATION_AUTO; |
6849 |
else
|
6850 |
goto chs_fail;
|
6851 |
} else if (*p != '\0') { |
6852 |
chs_fail:
|
6853 |
fprintf(stderr, "qemu: invalid physical CHS format\n");
|
6854 |
exit(1);
|
6855 |
} |
6856 |
} |
6857 |
break;
|
6858 |
case QEMU_OPTION_nographic:
|
6859 |
pstrcpy(monitor_device, sizeof(monitor_device), "stdio"); |
6860 |
pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "stdio"); |
6861 |
nographic = 1;
|
6862 |
break;
|
6863 |
case QEMU_OPTION_kernel:
|
6864 |
kernel_filename = optarg; |
6865 |
break;
|
6866 |
case QEMU_OPTION_append:
|
6867 |
kernel_cmdline = optarg; |
6868 |
break;
|
6869 |
case QEMU_OPTION_cdrom:
|
6870 |
{ |
6871 |
char buf[24]; |
6872 |
if (num_ide_disks >= MAX_DISKS) {
|
6873 |
fprintf(stderr, "qemu: too many IDE disks/cdroms defined.\n");
|
6874 |
exit(1);
|
6875 |
} |
6876 |
snprintf(buf, sizeof(buf), "type=cdrom,hdx=%c,img=", cdrom_index + 'a'); |
6877 |
/* Build new disk IDE syntax string */
|
6878 |
pstrcpy(ide_options[cdrom_index], |
6879 |
25,
|
6880 |
buf); |
6881 |
/* Add on image filename */
|
6882 |
pstrcpy(&(ide_options[cdrom_index][24]),
|
6883 |
sizeof(ide_options[0])-24, |
6884 |
optarg); |
6885 |
num_ide_disks++; |
6886 |
} |
6887 |
break;
|
6888 |
case QEMU_OPTION_boot:
|
6889 |
boot_device = optarg[0];
|
6890 |
if (boot_device != 'a' && |
6891 |
#ifdef TARGET_SPARC
|
6892 |
// Network boot
|
6893 |
boot_device != 'n' &&
|
6894 |
#endif
|
6895 |
boot_device != 'c' && boot_device != 'd') { |
6896 |
fprintf(stderr, "qemu: invalid boot device '%c'\n", boot_device);
|
6897 |
exit(1);
|
6898 |
} |
6899 |
break;
|
6900 |
case QEMU_OPTION_fda:
|
6901 |
fd_filename[0] = optarg;
|
6902 |
break;
|
6903 |
case QEMU_OPTION_fdb:
|
6904 |
fd_filename[1] = optarg;
|
6905 |
break;
|
6906 |
#ifdef TARGET_I386
|
6907 |
case QEMU_OPTION_no_fd_bootchk:
|
6908 |
fd_bootchk = 0;
|
6909 |
break;
|
6910 |
#endif
|
6911 |
case QEMU_OPTION_no_code_copy:
|
6912 |
code_copy_enabled = 0;
|
6913 |
break;
|
6914 |
case QEMU_OPTION_net:
|
6915 |
if (nb_net_clients >= MAX_NET_CLIENTS) {
|
6916 |
fprintf(stderr, "qemu: too many network clients\n");
|
6917 |
exit(1);
|
6918 |
} |
6919 |
pstrcpy(net_clients[nb_net_clients], |
6920 |
sizeof(net_clients[0]), |
6921 |
optarg); |
6922 |
nb_net_clients++; |
6923 |
break;
|
6924 |
#ifdef CONFIG_SLIRP
|
6925 |
case QEMU_OPTION_tftp:
|
6926 |
tftp_prefix = optarg; |
6927 |
break;
|
6928 |
#ifndef _WIN32
|
6929 |
case QEMU_OPTION_smb:
|
6930 |
net_slirp_smb(optarg); |
6931 |
break;
|
6932 |
#endif
|
6933 |
case QEMU_OPTION_redir:
|
6934 |
net_slirp_redir(optarg); |
6935 |
break;
|
6936 |
#endif
|
6937 |
#ifdef HAS_AUDIO
|
6938 |
case QEMU_OPTION_audio_help:
|
6939 |
AUD_help (); |
6940 |
exit (0);
|
6941 |
break;
|
6942 |
case QEMU_OPTION_soundhw:
|
6943 |
select_soundhw (optarg); |
6944 |
break;
|
6945 |
#endif
|
6946 |
case QEMU_OPTION_h:
|
6947 |
help(); |
6948 |
break;
|
6949 |
case QEMU_OPTION_m:
|
6950 |
ram_size = atoi(optarg) * 1024 * 1024; |
6951 |
if (ram_size <= 0) |
6952 |
help(); |
6953 |
if (ram_size > PHYS_RAM_MAX_SIZE) {
|
6954 |
fprintf(stderr, "qemu: at most %d MB RAM can be simulated\n",
|
6955 |
PHYS_RAM_MAX_SIZE / (1024 * 1024)); |
6956 |
exit(1);
|
6957 |
} |
6958 |
break;
|
6959 |
case QEMU_OPTION_d:
|
6960 |
{ |
6961 |
int mask;
|
6962 |
CPULogItem *item; |
6963 |
|
6964 |
mask = cpu_str_to_log_mask(optarg); |
6965 |
if (!mask) {
|
6966 |
printf("Log items (comma separated):\n");
|
6967 |
for(item = cpu_log_items; item->mask != 0; item++) { |
6968 |
printf("%-10s %s\n", item->name, item->help);
|
6969 |
} |
6970 |
exit(1);
|
6971 |
} |
6972 |
cpu_set_log(mask); |
6973 |
} |
6974 |
break;
|
6975 |
#ifdef CONFIG_GDBSTUB
|
6976 |
case QEMU_OPTION_s:
|
6977 |
use_gdbstub = 1;
|
6978 |
break;
|
6979 |
case QEMU_OPTION_p:
|
6980 |
gdbstub_port = atoi(optarg); |
6981 |
break;
|
6982 |
#endif
|
6983 |
case QEMU_OPTION_L:
|
6984 |
bios_dir = optarg; |
6985 |
break;
|
6986 |
case QEMU_OPTION_S:
|
6987 |
start_emulation = 0;
|
6988 |
break;
|
6989 |
case QEMU_OPTION_k:
|
6990 |
keyboard_layout = optarg; |
6991 |
break;
|
6992 |
case QEMU_OPTION_localtime:
|
6993 |
rtc_utc = 0;
|
6994 |
break;
|
6995 |
case QEMU_OPTION_cirrusvga:
|
6996 |
cirrus_vga_enabled = 1;
|
6997 |
break;
|
6998 |
case QEMU_OPTION_std_vga:
|
6999 |
cirrus_vga_enabled = 0;
|
7000 |
break;
|
7001 |
case QEMU_OPTION_g:
|
7002 |
{ |
7003 |
const char *p; |
7004 |
int w, h, depth;
|
7005 |
p = optarg; |
7006 |
w = strtol(p, (char **)&p, 10); |
7007 |
if (w <= 0) { |
7008 |
graphic_error:
|
7009 |
fprintf(stderr, "qemu: invalid resolution or depth\n");
|
7010 |
exit(1);
|
7011 |
} |
7012 |
if (*p != 'x') |
7013 |
goto graphic_error;
|
7014 |
p++; |
7015 |
h = strtol(p, (char **)&p, 10); |
7016 |
if (h <= 0) |
7017 |
goto graphic_error;
|
7018 |
if (*p == 'x') { |
7019 |
p++; |
7020 |
depth = strtol(p, (char **)&p, 10); |
7021 |
if (depth != 8 && depth != 15 && depth != 16 && |
7022 |
depth != 24 && depth != 32) |
7023 |
goto graphic_error;
|
7024 |
} else if (*p == '\0') { |
7025 |
depth = graphic_depth; |
7026 |
} else {
|
7027 |
goto graphic_error;
|
7028 |
} |
7029 |
|
7030 |
graphic_width = w; |
7031 |
graphic_height = h; |
7032 |
graphic_depth = depth; |
7033 |
} |
7034 |
break;
|
7035 |
case QEMU_OPTION_monitor:
|
7036 |
pstrcpy(monitor_device, sizeof(monitor_device), optarg);
|
7037 |
break;
|
7038 |
case QEMU_OPTION_serial:
|
7039 |
if (serial_device_index >= MAX_SERIAL_PORTS) {
|
7040 |
fprintf(stderr, "qemu: too many serial ports\n");
|
7041 |
exit(1);
|
7042 |
} |
7043 |
pstrcpy(serial_devices[serial_device_index], |
7044 |
sizeof(serial_devices[0]), optarg); |
7045 |
serial_device_index++; |
7046 |
break;
|
7047 |
case QEMU_OPTION_parallel:
|
7048 |
if (parallel_device_index >= MAX_PARALLEL_PORTS) {
|
7049 |
fprintf(stderr, "qemu: too many parallel ports\n");
|
7050 |
exit(1);
|
7051 |
} |
7052 |
pstrcpy(parallel_devices[parallel_device_index], |
7053 |
sizeof(parallel_devices[0]), optarg); |
7054 |
parallel_device_index++; |
7055 |
break;
|
7056 |
case QEMU_OPTION_loadvm:
|
7057 |
loadvm = optarg; |
7058 |
break;
|
7059 |
case QEMU_OPTION_full_screen:
|
7060 |
full_screen = 1;
|
7061 |
break;
|
7062 |
#ifdef CONFIG_SDL
|
7063 |
case QEMU_OPTION_no_quit:
|
7064 |
no_quit = 1;
|
7065 |
break;
|
7066 |
#endif
|
7067 |
case QEMU_OPTION_pidfile:
|
7068 |
create_pidfile(optarg); |
7069 |
break;
|
7070 |
#ifdef TARGET_I386
|
7071 |
case QEMU_OPTION_win2k_hack:
|
7072 |
win2k_install_hack = 1;
|
7073 |
break;
|
7074 |
#endif
|
7075 |
#ifdef USE_KQEMU
|
7076 |
case QEMU_OPTION_no_kqemu:
|
7077 |
kqemu_allowed = 0;
|
7078 |
break;
|
7079 |
case QEMU_OPTION_kernel_kqemu:
|
7080 |
kqemu_allowed = 2;
|
7081 |
break;
|
7082 |
#endif
|
7083 |
case QEMU_OPTION_usb:
|
7084 |
usb_enabled = 1;
|
7085 |
break;
|
7086 |
case QEMU_OPTION_usbdevice:
|
7087 |
usb_enabled = 1;
|
7088 |
if (usb_devices_index >= MAX_USB_CMDLINE) {
|
7089 |
fprintf(stderr, "Too many USB devices\n");
|
7090 |
exit(1);
|
7091 |
} |
7092 |
pstrcpy(usb_devices[usb_devices_index], |
7093 |
sizeof(usb_devices[usb_devices_index]),
|
7094 |
optarg); |
7095 |
usb_devices_index++; |
7096 |
break;
|
7097 |
case QEMU_OPTION_smp:
|
7098 |
smp_cpus = atoi(optarg); |
7099 |
if (smp_cpus < 1 || smp_cpus > MAX_CPUS) { |
7100 |
fprintf(stderr, "Invalid number of CPUs\n");
|
7101 |
exit(1);
|
7102 |
} |
7103 |
break;
|
7104 |
case QEMU_OPTION_vnc:
|
7105 |
vnc_display = optarg; |
7106 |
break;
|
7107 |
case QEMU_OPTION_no_acpi:
|
7108 |
acpi_enabled = 0;
|
7109 |
break;
|
7110 |
case QEMU_OPTION_no_reboot:
|
7111 |
no_reboot = 1;
|
7112 |
break;
|
7113 |
case QEMU_OPTION_daemonize:
|
7114 |
daemonize = 1;
|
7115 |
break;
|
7116 |
} |
7117 |
} |
7118 |
} |
7119 |
|
7120 |
#ifndef _WIN32
|
7121 |
if (daemonize && !nographic && vnc_display == NULL) { |
7122 |
fprintf(stderr, "Can only daemonize if using -nographic or -vnc\n");
|
7123 |
daemonize = 0;
|
7124 |
} |
7125 |
|
7126 |
if (daemonize) {
|
7127 |
pid_t pid; |
7128 |
|
7129 |
if (pipe(fds) == -1) |
7130 |
exit(1);
|
7131 |
|
7132 |
pid = fork(); |
7133 |
if (pid > 0) { |
7134 |
uint8_t status; |
7135 |
ssize_t len; |
7136 |
|
7137 |
close(fds[1]);
|
7138 |
|
7139 |
again:
|
7140 |
len = read(fds[0], &status, 1); |
7141 |
if (len == -1 && (errno == EINTR)) |
7142 |
goto again;
|
7143 |
|
7144 |
if (len != 1 || status != 0) |
7145 |
exit(1);
|
7146 |
else
|
7147 |
exit(0);
|
7148 |
} else if (pid < 0) |
7149 |
exit(1);
|
7150 |
|
7151 |
setsid(); |
7152 |
|
7153 |
pid = fork(); |
7154 |
if (pid > 0) |
7155 |
exit(0);
|
7156 |
else if (pid < 0) |
7157 |
exit(1);
|
7158 |
|
7159 |
umask(027);
|
7160 |
chdir("/");
|
7161 |
|
7162 |
signal(SIGTSTP, SIG_IGN); |
7163 |
signal(SIGTTOU, SIG_IGN); |
7164 |
signal(SIGTTIN, SIG_IGN); |
7165 |
} |
7166 |
#endif
|
7167 |
|
7168 |
#ifdef USE_KQEMU
|
7169 |
if (smp_cpus > 1) |
7170 |
kqemu_allowed = 0;
|
7171 |
#endif
|
7172 |
linux_boot = (kernel_filename != NULL);
|
7173 |
|
7174 |
if (!linux_boot &&
|
7175 |
num_ide_disks == 0 &&
|
7176 |
fd_filename[0] == '\0') |
7177 |
help(); |
7178 |
|
7179 |
setvbuf(stdout, NULL, _IOLBF, 0); |
7180 |
|
7181 |
init_timers(); |
7182 |
init_timer_alarm(); |
7183 |
qemu_aio_init(); |
7184 |
|
7185 |
#ifdef _WIN32
|
7186 |
socket_init(); |
7187 |
#endif
|
7188 |
|
7189 |
/* init network clients */
|
7190 |
if (nb_net_clients == 0) { |
7191 |
/* if no clients, we use a default config */
|
7192 |
pstrcpy(net_clients[0], sizeof(net_clients[0]), |
7193 |
"nic");
|
7194 |
pstrcpy(net_clients[1], sizeof(net_clients[0]), |
7195 |
"user");
|
7196 |
nb_net_clients = 2;
|
7197 |
} |
7198 |
|
7199 |
for(i = 0;i < nb_net_clients; i++) { |
7200 |
if (net_client_init(net_clients[i]) < 0) |
7201 |
exit(1);
|
7202 |
} |
7203 |
|
7204 |
/* init the memory */
|
7205 |
phys_ram_size = ram_size + vga_ram_size + bios_size; |
7206 |
|
7207 |
phys_ram_base = qemu_vmalloc(phys_ram_size); |
7208 |
if (!phys_ram_base) {
|
7209 |
fprintf(stderr, "Could not allocate physical memory\n");
|
7210 |
exit(1);
|
7211 |
} |
7212 |
|
7213 |
bdrv_init(); |
7214 |
|
7215 |
/* open the virtual block devices, disks or CDRoms */
|
7216 |
if (disk_options_init(num_ide_disks,ide_options,snapshot,
|
7217 |
num_scsi_disks,scsi_options, |
7218 |
cdrom_index, |
7219 |
cyls, heads, secs, translation)){ |
7220 |
exit(1);
|
7221 |
} |
7222 |
|
7223 |
/* boot to floppy or default cd if no hard disk */
|
7224 |
if (num_ide_disks == 0 && boot_device == 'c') { |
7225 |
if (fd_filename[0] != '\0') |
7226 |
boot_device = 'a';
|
7227 |
else
|
7228 |
boot_device = 'd';
|
7229 |
} |
7230 |
|
7231 |
/* we always create at least one floppy disk */
|
7232 |
fd_table[0] = bdrv_new("fda"); |
7233 |
bdrv_set_type_hint(fd_table[0], BDRV_TYPE_FLOPPY);
|
7234 |
|
7235 |
for(i = 0; i < MAX_FD; i++) { |
7236 |
if (fd_filename[i]) {
|
7237 |
if (!fd_table[i]) {
|
7238 |
char buf[64]; |
7239 |
snprintf(buf, sizeof(buf), "fd%c", i + 'a'); |
7240 |
fd_table[i] = bdrv_new(buf); |
7241 |
bdrv_set_type_hint(fd_table[i], BDRV_TYPE_FLOPPY); |
7242 |
} |
7243 |
if (fd_filename[i] != '\0') { |
7244 |
if (bdrv_open(fd_table[i], fd_filename[i],
|
7245 |
snapshot ? BDRV_O_SNAPSHOT : 0) < 0) { |
7246 |
fprintf(stderr, "qemu: could not open floppy disk image '%s'\n",
|
7247 |
fd_filename[i]); |
7248 |
exit(1);
|
7249 |
} |
7250 |
} |
7251 |
} |
7252 |
} |
7253 |
|
7254 |
register_savevm("timer", 0, 2, timer_save, timer_load, NULL); |
7255 |
register_savevm("ram", 0, 2, ram_save, ram_load, NULL); |
7256 |
|
7257 |
init_ioports(); |
7258 |
|
7259 |
/* terminal init */
|
7260 |
if (nographic) {
|
7261 |
dumb_display_init(ds); |
7262 |
} else if (vnc_display != NULL) { |
7263 |
vnc_display_init(ds, vnc_display); |
7264 |
} else {
|
7265 |
#if defined(CONFIG_SDL)
|
7266 |
sdl_display_init(ds, full_screen); |
7267 |
#elif defined(CONFIG_COCOA)
|
7268 |
cocoa_display_init(ds, full_screen); |
7269 |
#else
|
7270 |
dumb_display_init(ds); |
7271 |
#endif
|
7272 |
} |
7273 |
|
7274 |
monitor_hd = qemu_chr_open(monitor_device); |
7275 |
if (!monitor_hd) {
|
7276 |
fprintf(stderr, "qemu: could not open monitor device '%s'\n", monitor_device);
|
7277 |
exit(1);
|
7278 |
} |
7279 |
monitor_init(monitor_hd, !nographic); |
7280 |
|
7281 |
for(i = 0; i < MAX_SERIAL_PORTS; i++) { |
7282 |
const char *devname = serial_devices[i]; |
7283 |
if (devname[0] != '\0' && strcmp(devname, "none")) { |
7284 |
serial_hds[i] = qemu_chr_open(devname); |
7285 |
if (!serial_hds[i]) {
|
7286 |
fprintf(stderr, "qemu: could not open serial device '%s'\n",
|
7287 |
devname); |
7288 |
exit(1);
|
7289 |
} |
7290 |
if (!strcmp(devname, "vc")) |
7291 |
qemu_chr_printf(serial_hds[i], "serial%d console\r\n", i);
|
7292 |
} |
7293 |
} |
7294 |
|
7295 |
for(i = 0; i < MAX_PARALLEL_PORTS; i++) { |
7296 |
const char *devname = parallel_devices[i]; |
7297 |
if (devname[0] != '\0' && strcmp(devname, "none")) { |
7298 |
parallel_hds[i] = qemu_chr_open(devname); |
7299 |
if (!parallel_hds[i]) {
|
7300 |
fprintf(stderr, "qemu: could not open parallel device '%s'\n",
|
7301 |
devname); |
7302 |
exit(1);
|
7303 |
} |
7304 |
if (!strcmp(devname, "vc")) |
7305 |
qemu_chr_printf(parallel_hds[i], "parallel%d console\r\n", i);
|
7306 |
} |
7307 |
} |
7308 |
|
7309 |
machine->init(ram_size, vga_ram_size, boot_device, |
7310 |
ds, fd_filename, snapshot, |
7311 |
kernel_filename, kernel_cmdline, initrd_filename); |
7312 |
|
7313 |
/* init USB devices */
|
7314 |
if (usb_enabled) {
|
7315 |
for(i = 0; i < usb_devices_index; i++) { |
7316 |
if (usb_device_add(usb_devices[i]) < 0) { |
7317 |
fprintf(stderr, "Warning: could not add USB device %s\n",
|
7318 |
usb_devices[i]); |
7319 |
} |
7320 |
} |
7321 |
} |
7322 |
|
7323 |
gui_timer = qemu_new_timer(rt_clock, gui_update, NULL);
|
7324 |
qemu_mod_timer(gui_timer, qemu_get_clock(rt_clock)); |
7325 |
|
7326 |
#ifdef CONFIG_GDBSTUB
|
7327 |
if (use_gdbstub) {
|
7328 |
if (gdbserver_start(gdbstub_port) < 0) { |
7329 |
fprintf(stderr, "Could not open gdbserver socket on port %d\n",
|
7330 |
gdbstub_port); |
7331 |
exit(1);
|
7332 |
} else {
|
7333 |
printf("Waiting gdb connection on port %d\n", gdbstub_port);
|
7334 |
} |
7335 |
} else
|
7336 |
#endif
|
7337 |
if (loadvm)
|
7338 |
do_loadvm(loadvm); |
7339 |
|
7340 |
{ |
7341 |
/* XXX: simplify init */
|
7342 |
read_passwords(); |
7343 |
if (start_emulation) {
|
7344 |
vm_start(); |
7345 |
} |
7346 |
} |
7347 |
|
7348 |
if (daemonize) {
|
7349 |
uint8_t status = 0;
|
7350 |
ssize_t len; |
7351 |
int fd;
|
7352 |
|
7353 |
again1:
|
7354 |
len = write(fds[1], &status, 1); |
7355 |
if (len == -1 && (errno == EINTR)) |
7356 |
goto again1;
|
7357 |
|
7358 |
if (len != 1) |
7359 |
exit(1);
|
7360 |
|
7361 |
fd = open("/dev/null", O_RDWR);
|
7362 |
if (fd == -1) |
7363 |
exit(1);
|
7364 |
|
7365 |
dup2(fd, 0);
|
7366 |
dup2(fd, 1);
|
7367 |
dup2(fd, 2);
|
7368 |
|
7369 |
close(fd); |
7370 |
} |
7371 |
|
7372 |
main_loop(); |
7373 |
quit_timers(); |
7374 |
return 0; |
7375 |
} |