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/*
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* QEMU System Emulator
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*
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* Copyright (c) 2003-2005 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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#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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#if !defined(CONFIG_SOFTMMU)
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#define PHYS_RAM_MAX_SIZE (256 * 1024 * 1024) |
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#else
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#define PHYS_RAM_MAX_SIZE (2047 * 1024 * 1024) |
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#endif
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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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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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BlockDriverState *bs_table[MAX_DISKS], *fd_table[MAX_FD]; |
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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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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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int vnc_display = -1; |
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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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/***********************************************************/
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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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} |
394 |
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int cpu_inw(CPUState *env, int addr) |
396 |
{ |
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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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if (env)
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env->last_io_time = cpu_get_time_fast(); |
406 |
#endif
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return val;
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} |
409 |
|
410 |
int cpu_inl(CPUState *env, int addr) |
411 |
{ |
412 |
int val;
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413 |
val = ioport_read_table[2][addr](ioport_opaque[addr], addr);
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414 |
#ifdef DEBUG_IOPORT
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415 |
if (loglevel & CPU_LOG_IOPORT)
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416 |
fprintf(logfile, "inl : %04x %08x\n", addr, val);
|
417 |
#endif
|
418 |
#ifdef USE_KQEMU
|
419 |
if (env)
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420 |
env->last_io_time = cpu_get_time_fast(); |
421 |
#endif
|
422 |
return val;
|
423 |
} |
424 |
|
425 |
/***********************************************************/
|
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void hw_error(const char *fmt, ...) |
427 |
{ |
428 |
va_list ap; |
429 |
CPUState *env; |
430 |
|
431 |
va_start(ap, fmt); |
432 |
fprintf(stderr, "qemu: hardware error: ");
|
433 |
vfprintf(stderr, fmt, ap); |
434 |
fprintf(stderr, "\n");
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435 |
for(env = first_cpu; env != NULL; env = env->next_cpu) { |
436 |
fprintf(stderr, "CPU #%d:\n", env->cpu_index);
|
437 |
#ifdef TARGET_I386
|
438 |
cpu_dump_state(env, stderr, fprintf, X86_DUMP_FPU); |
439 |
#else
|
440 |
cpu_dump_state(env, stderr, fprintf, 0);
|
441 |
#endif
|
442 |
} |
443 |
va_end(ap); |
444 |
abort(); |
445 |
} |
446 |
|
447 |
/***********************************************************/
|
448 |
/* keyboard/mouse */
|
449 |
|
450 |
static QEMUPutKBDEvent *qemu_put_kbd_event;
|
451 |
static void *qemu_put_kbd_event_opaque; |
452 |
static QEMUPutMouseEvent *qemu_put_mouse_event;
|
453 |
static void *qemu_put_mouse_event_opaque; |
454 |
static int qemu_put_mouse_event_absolute; |
455 |
|
456 |
void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque) |
457 |
{ |
458 |
qemu_put_kbd_event_opaque = opaque; |
459 |
qemu_put_kbd_event = func; |
460 |
} |
461 |
|
462 |
void qemu_add_mouse_event_handler(QEMUPutMouseEvent *func, void *opaque, int absolute) |
463 |
{ |
464 |
qemu_put_mouse_event_opaque = opaque; |
465 |
qemu_put_mouse_event = func; |
466 |
qemu_put_mouse_event_absolute = absolute; |
467 |
} |
468 |
|
469 |
void kbd_put_keycode(int keycode) |
470 |
{ |
471 |
if (qemu_put_kbd_event) {
|
472 |
qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode); |
473 |
} |
474 |
} |
475 |
|
476 |
void kbd_mouse_event(int dx, int dy, int dz, int buttons_state) |
477 |
{ |
478 |
if (qemu_put_mouse_event) {
|
479 |
qemu_put_mouse_event(qemu_put_mouse_event_opaque, |
480 |
dx, dy, dz, buttons_state); |
481 |
} |
482 |
} |
483 |
|
484 |
int kbd_mouse_is_absolute(void) |
485 |
{ |
486 |
return qemu_put_mouse_event_absolute;
|
487 |
} |
488 |
|
489 |
/***********************************************************/
|
490 |
/* timers */
|
491 |
|
492 |
#if defined(__powerpc__)
|
493 |
|
494 |
static inline uint32_t get_tbl(void) |
495 |
{ |
496 |
uint32_t tbl; |
497 |
asm volatile("mftb %0" : "=r" (tbl)); |
498 |
return tbl;
|
499 |
} |
500 |
|
501 |
static inline uint32_t get_tbu(void) |
502 |
{ |
503 |
uint32_t tbl; |
504 |
asm volatile("mftbu %0" : "=r" (tbl)); |
505 |
return tbl;
|
506 |
} |
507 |
|
508 |
int64_t cpu_get_real_ticks(void)
|
509 |
{ |
510 |
uint32_t l, h, h1; |
511 |
/* NOTE: we test if wrapping has occurred */
|
512 |
do {
|
513 |
h = get_tbu(); |
514 |
l = get_tbl(); |
515 |
h1 = get_tbu(); |
516 |
} while (h != h1);
|
517 |
return ((int64_t)h << 32) | l; |
518 |
} |
519 |
|
520 |
#elif defined(__i386__)
|
521 |
|
522 |
int64_t cpu_get_real_ticks(void)
|
523 |
{ |
524 |
#ifdef _WIN32
|
525 |
LARGE_INTEGER ti; |
526 |
QueryPerformanceCounter(&ti); |
527 |
return ti.QuadPart;
|
528 |
#else
|
529 |
int64_t val; |
530 |
asm volatile ("rdtsc" : "=A" (val)); |
531 |
return val;
|
532 |
#endif
|
533 |
} |
534 |
|
535 |
#elif defined(__x86_64__)
|
536 |
|
537 |
int64_t cpu_get_real_ticks(void)
|
538 |
{ |
539 |
uint32_t low,high; |
540 |
int64_t val; |
541 |
asm volatile("rdtsc" : "=a" (low), "=d" (high)); |
542 |
val = high; |
543 |
val <<= 32;
|
544 |
val |= low; |
545 |
return val;
|
546 |
} |
547 |
|
548 |
#elif defined(__ia64)
|
549 |
|
550 |
int64_t cpu_get_real_ticks(void)
|
551 |
{ |
552 |
int64_t val; |
553 |
asm volatile ("mov %0 = ar.itc" : "=r"(val) :: "memory"); |
554 |
return val;
|
555 |
} |
556 |
|
557 |
#elif defined(__s390__)
|
558 |
|
559 |
int64_t cpu_get_real_ticks(void)
|
560 |
{ |
561 |
int64_t val; |
562 |
asm volatile("stck 0(%1)" : "=m" (val) : "a" (&val) : "cc"); |
563 |
return val;
|
564 |
} |
565 |
|
566 |
#elif defined(__sparc__) && defined(HOST_SOLARIS)
|
567 |
|
568 |
uint64_t cpu_get_real_ticks (void)
|
569 |
{ |
570 |
#if defined(_LP64)
|
571 |
uint64_t rval; |
572 |
asm volatile("rd %%tick,%0" : "=r"(rval)); |
573 |
return rval;
|
574 |
#else
|
575 |
union {
|
576 |
uint64_t i64; |
577 |
struct {
|
578 |
uint32_t high; |
579 |
uint32_t low; |
580 |
} i32; |
581 |
} rval; |
582 |
asm volatile("rd %%tick,%1; srlx %1,32,%0" |
583 |
: "=r"(rval.i32.high), "=r"(rval.i32.low)); |
584 |
return rval.i64;
|
585 |
#endif
|
586 |
} |
587 |
|
588 |
#else
|
589 |
#error unsupported CPU
|
590 |
#endif
|
591 |
|
592 |
static int64_t cpu_ticks_prev;
|
593 |
static int64_t cpu_ticks_offset;
|
594 |
static int cpu_ticks_enabled; |
595 |
|
596 |
static inline 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 |
/* enable cpu_get_ticks() */
|
614 |
void cpu_enable_ticks(void) |
615 |
{ |
616 |
if (!cpu_ticks_enabled) {
|
617 |
cpu_ticks_offset -= cpu_get_real_ticks(); |
618 |
cpu_ticks_enabled = 1;
|
619 |
} |
620 |
} |
621 |
|
622 |
/* disable cpu_get_ticks() : the clock is stopped. You must not call
|
623 |
cpu_get_ticks() after that. */
|
624 |
void cpu_disable_ticks(void) |
625 |
{ |
626 |
if (cpu_ticks_enabled) {
|
627 |
cpu_ticks_offset = cpu_get_ticks(); |
628 |
cpu_ticks_enabled = 0;
|
629 |
} |
630 |
} |
631 |
|
632 |
#ifdef _WIN32
|
633 |
void cpu_calibrate_ticks(void) |
634 |
{ |
635 |
LARGE_INTEGER freq; |
636 |
int ret;
|
637 |
|
638 |
ret = QueryPerformanceFrequency(&freq); |
639 |
if (ret == 0) { |
640 |
fprintf(stderr, "Could not calibrate ticks\n");
|
641 |
exit(1);
|
642 |
} |
643 |
ticks_per_sec = freq.QuadPart; |
644 |
} |
645 |
|
646 |
#else
|
647 |
static int64_t get_clock(void) |
648 |
{ |
649 |
struct timeval tv;
|
650 |
gettimeofday(&tv, NULL);
|
651 |
return tv.tv_sec * 1000000LL + tv.tv_usec; |
652 |
} |
653 |
|
654 |
void cpu_calibrate_ticks(void) |
655 |
{ |
656 |
int64_t usec, ticks; |
657 |
|
658 |
usec = get_clock(); |
659 |
ticks = cpu_get_real_ticks(); |
660 |
usleep(50 * 1000); |
661 |
usec = get_clock() - usec; |
662 |
ticks = cpu_get_real_ticks() - ticks; |
663 |
ticks_per_sec = (ticks * 1000000LL + (usec >> 1)) / usec; |
664 |
} |
665 |
#endif /* !_WIN32 */ |
666 |
|
667 |
/* compute with 96 bit intermediate result: (a*b)/c */
|
668 |
uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c) |
669 |
{ |
670 |
union {
|
671 |
uint64_t ll; |
672 |
struct {
|
673 |
#ifdef WORDS_BIGENDIAN
|
674 |
uint32_t high, low; |
675 |
#else
|
676 |
uint32_t low, high; |
677 |
#endif
|
678 |
} l; |
679 |
} u, res; |
680 |
uint64_t rl, rh; |
681 |
|
682 |
u.ll = a; |
683 |
rl = (uint64_t)u.l.low * (uint64_t)b; |
684 |
rh = (uint64_t)u.l.high * (uint64_t)b; |
685 |
rh += (rl >> 32);
|
686 |
res.l.high = rh / c; |
687 |
res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c; |
688 |
return res.ll;
|
689 |
} |
690 |
|
691 |
#define QEMU_TIMER_REALTIME 0 |
692 |
#define QEMU_TIMER_VIRTUAL 1 |
693 |
|
694 |
struct QEMUClock {
|
695 |
int type;
|
696 |
/* XXX: add frequency */
|
697 |
}; |
698 |
|
699 |
struct QEMUTimer {
|
700 |
QEMUClock *clock; |
701 |
int64_t expire_time; |
702 |
QEMUTimerCB *cb; |
703 |
void *opaque;
|
704 |
struct QEMUTimer *next;
|
705 |
}; |
706 |
|
707 |
QEMUClock *rt_clock; |
708 |
QEMUClock *vm_clock; |
709 |
|
710 |
static QEMUTimer *active_timers[2]; |
711 |
#ifdef _WIN32
|
712 |
static MMRESULT timerID;
|
713 |
static HANDLE host_alarm = NULL; |
714 |
static unsigned int period = 1; |
715 |
#else
|
716 |
/* frequency of the times() clock tick */
|
717 |
static int timer_freq; |
718 |
#endif
|
719 |
|
720 |
QEMUClock *qemu_new_clock(int type)
|
721 |
{ |
722 |
QEMUClock *clock; |
723 |
clock = qemu_mallocz(sizeof(QEMUClock));
|
724 |
if (!clock)
|
725 |
return NULL; |
726 |
clock->type = type; |
727 |
return clock;
|
728 |
} |
729 |
|
730 |
QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque)
|
731 |
{ |
732 |
QEMUTimer *ts; |
733 |
|
734 |
ts = qemu_mallocz(sizeof(QEMUTimer));
|
735 |
ts->clock = clock; |
736 |
ts->cb = cb; |
737 |
ts->opaque = opaque; |
738 |
return ts;
|
739 |
} |
740 |
|
741 |
void qemu_free_timer(QEMUTimer *ts)
|
742 |
{ |
743 |
qemu_free(ts); |
744 |
} |
745 |
|
746 |
/* stop a timer, but do not dealloc it */
|
747 |
void qemu_del_timer(QEMUTimer *ts)
|
748 |
{ |
749 |
QEMUTimer **pt, *t; |
750 |
|
751 |
/* NOTE: this code must be signal safe because
|
752 |
qemu_timer_expired() can be called from a signal. */
|
753 |
pt = &active_timers[ts->clock->type]; |
754 |
for(;;) {
|
755 |
t = *pt; |
756 |
if (!t)
|
757 |
break;
|
758 |
if (t == ts) {
|
759 |
*pt = t->next; |
760 |
break;
|
761 |
} |
762 |
pt = &t->next; |
763 |
} |
764 |
} |
765 |
|
766 |
/* modify the current timer so that it will be fired when current_time
|
767 |
>= expire_time. The corresponding callback will be called. */
|
768 |
void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time)
|
769 |
{ |
770 |
QEMUTimer **pt, *t; |
771 |
|
772 |
qemu_del_timer(ts); |
773 |
|
774 |
/* add the timer in the sorted list */
|
775 |
/* NOTE: this code must be signal safe because
|
776 |
qemu_timer_expired() can be called from a signal. */
|
777 |
pt = &active_timers[ts->clock->type]; |
778 |
for(;;) {
|
779 |
t = *pt; |
780 |
if (!t)
|
781 |
break;
|
782 |
if (t->expire_time > expire_time)
|
783 |
break;
|
784 |
pt = &t->next; |
785 |
} |
786 |
ts->expire_time = expire_time; |
787 |
ts->next = *pt; |
788 |
*pt = ts; |
789 |
} |
790 |
|
791 |
int qemu_timer_pending(QEMUTimer *ts)
|
792 |
{ |
793 |
QEMUTimer *t; |
794 |
for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) { |
795 |
if (t == ts)
|
796 |
return 1; |
797 |
} |
798 |
return 0; |
799 |
} |
800 |
|
801 |
static inline int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time) |
802 |
{ |
803 |
if (!timer_head)
|
804 |
return 0; |
805 |
return (timer_head->expire_time <= current_time);
|
806 |
} |
807 |
|
808 |
static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time) |
809 |
{ |
810 |
QEMUTimer *ts; |
811 |
|
812 |
for(;;) {
|
813 |
ts = *ptimer_head; |
814 |
if (!ts || ts->expire_time > current_time)
|
815 |
break;
|
816 |
/* remove timer from the list before calling the callback */
|
817 |
*ptimer_head = ts->next; |
818 |
ts->next = NULL;
|
819 |
|
820 |
/* run the callback (the timer list can be modified) */
|
821 |
ts->cb(ts->opaque); |
822 |
} |
823 |
} |
824 |
|
825 |
int64_t qemu_get_clock(QEMUClock *clock) |
826 |
{ |
827 |
switch(clock->type) {
|
828 |
case QEMU_TIMER_REALTIME:
|
829 |
#ifdef _WIN32
|
830 |
return GetTickCount();
|
831 |
#else
|
832 |
{ |
833 |
struct tms tp;
|
834 |
|
835 |
/* Note that using gettimeofday() is not a good solution
|
836 |
for timers because its value change when the date is
|
837 |
modified. */
|
838 |
if (timer_freq == 100) { |
839 |
return times(&tp) * 10; |
840 |
} else {
|
841 |
return ((int64_t)times(&tp) * 1000) / timer_freq; |
842 |
} |
843 |
} |
844 |
#endif
|
845 |
default:
|
846 |
case QEMU_TIMER_VIRTUAL:
|
847 |
return cpu_get_ticks();
|
848 |
} |
849 |
} |
850 |
|
851 |
/* save a timer */
|
852 |
void qemu_put_timer(QEMUFile *f, QEMUTimer *ts)
|
853 |
{ |
854 |
uint64_t expire_time; |
855 |
|
856 |
if (qemu_timer_pending(ts)) {
|
857 |
expire_time = ts->expire_time; |
858 |
} else {
|
859 |
expire_time = -1;
|
860 |
} |
861 |
qemu_put_be64(f, expire_time); |
862 |
} |
863 |
|
864 |
void qemu_get_timer(QEMUFile *f, QEMUTimer *ts)
|
865 |
{ |
866 |
uint64_t expire_time; |
867 |
|
868 |
expire_time = qemu_get_be64(f); |
869 |
if (expire_time != -1) { |
870 |
qemu_mod_timer(ts, expire_time); |
871 |
} else {
|
872 |
qemu_del_timer(ts); |
873 |
} |
874 |
} |
875 |
|
876 |
static void timer_save(QEMUFile *f, void *opaque) |
877 |
{ |
878 |
if (cpu_ticks_enabled) {
|
879 |
hw_error("cannot save state if virtual timers are running");
|
880 |
} |
881 |
qemu_put_be64s(f, &cpu_ticks_offset); |
882 |
qemu_put_be64s(f, &ticks_per_sec); |
883 |
} |
884 |
|
885 |
static int timer_load(QEMUFile *f, void *opaque, int version_id) |
886 |
{ |
887 |
if (version_id != 1) |
888 |
return -EINVAL;
|
889 |
if (cpu_ticks_enabled) {
|
890 |
return -EINVAL;
|
891 |
} |
892 |
qemu_get_be64s(f, &cpu_ticks_offset); |
893 |
qemu_get_be64s(f, &ticks_per_sec); |
894 |
return 0; |
895 |
} |
896 |
|
897 |
#ifdef _WIN32
|
898 |
void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg,
|
899 |
DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2) |
900 |
#else
|
901 |
static void host_alarm_handler(int host_signum) |
902 |
#endif
|
903 |
{ |
904 |
#if 0
|
905 |
#define DISP_FREQ 1000
|
906 |
{
|
907 |
static int64_t delta_min = INT64_MAX;
|
908 |
static int64_t delta_max, delta_cum, last_clock, delta, ti;
|
909 |
static int count;
|
910 |
ti = qemu_get_clock(vm_clock);
|
911 |
if (last_clock != 0) {
|
912 |
delta = ti - last_clock;
|
913 |
if (delta < delta_min)
|
914 |
delta_min = delta;
|
915 |
if (delta > delta_max)
|
916 |
delta_max = delta;
|
917 |
delta_cum += delta;
|
918 |
if (++count == DISP_FREQ) {
|
919 |
printf("timer: min=%lld us max=%lld us avg=%lld us avg_freq=%0.3f Hz\n",
|
920 |
muldiv64(delta_min, 1000000, ticks_per_sec),
|
921 |
muldiv64(delta_max, 1000000, ticks_per_sec),
|
922 |
muldiv64(delta_cum, 1000000 / DISP_FREQ, ticks_per_sec),
|
923 |
(double)ticks_per_sec / ((double)delta_cum / DISP_FREQ));
|
924 |
count = 0;
|
925 |
delta_min = INT64_MAX;
|
926 |
delta_max = 0;
|
927 |
delta_cum = 0;
|
928 |
}
|
929 |
}
|
930 |
last_clock = ti;
|
931 |
}
|
932 |
#endif
|
933 |
if (qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL],
|
934 |
qemu_get_clock(vm_clock)) || |
935 |
qemu_timer_expired(active_timers[QEMU_TIMER_REALTIME], |
936 |
qemu_get_clock(rt_clock))) { |
937 |
#ifdef _WIN32
|
938 |
SetEvent(host_alarm); |
939 |
#endif
|
940 |
CPUState *env = cpu_single_env; |
941 |
if (env) {
|
942 |
/* stop the currently executing cpu because a timer occured */
|
943 |
cpu_interrupt(env, CPU_INTERRUPT_EXIT); |
944 |
#ifdef USE_KQEMU
|
945 |
if (env->kqemu_enabled) {
|
946 |
kqemu_cpu_interrupt(env); |
947 |
} |
948 |
#endif
|
949 |
} |
950 |
} |
951 |
} |
952 |
|
953 |
#ifndef _WIN32
|
954 |
|
955 |
#if defined(__linux__)
|
956 |
|
957 |
#define RTC_FREQ 1024 |
958 |
|
959 |
static int rtc_fd; |
960 |
|
961 |
static int start_rtc_timer(void) |
962 |
{ |
963 |
rtc_fd = open("/dev/rtc", O_RDONLY);
|
964 |
if (rtc_fd < 0) |
965 |
return -1; |
966 |
if (ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) { |
967 |
fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n"
|
968 |
"error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n"
|
969 |
"type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n");
|
970 |
goto fail;
|
971 |
} |
972 |
if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) { |
973 |
fail:
|
974 |
close(rtc_fd); |
975 |
return -1; |
976 |
} |
977 |
pit_min_timer_count = PIT_FREQ / RTC_FREQ; |
978 |
return 0; |
979 |
} |
980 |
|
981 |
#else
|
982 |
|
983 |
static int start_rtc_timer(void) |
984 |
{ |
985 |
return -1; |
986 |
} |
987 |
|
988 |
#endif /* !defined(__linux__) */ |
989 |
|
990 |
#endif /* !defined(_WIN32) */ |
991 |
|
992 |
static void init_timers(void) |
993 |
{ |
994 |
rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME); |
995 |
vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL); |
996 |
|
997 |
#ifdef _WIN32
|
998 |
{ |
999 |
int count=0; |
1000 |
TIMECAPS tc; |
1001 |
|
1002 |
ZeroMemory(&tc, sizeof(TIMECAPS));
|
1003 |
timeGetDevCaps(&tc, sizeof(TIMECAPS));
|
1004 |
if (period < tc.wPeriodMin)
|
1005 |
period = tc.wPeriodMin; |
1006 |
timeBeginPeriod(period); |
1007 |
timerID = timeSetEvent(1, // interval (ms) |
1008 |
period, // resolution
|
1009 |
host_alarm_handler, // function
|
1010 |
(DWORD)&count, // user parameter
|
1011 |
TIME_PERIODIC | TIME_CALLBACK_FUNCTION); |
1012 |
if( !timerID ) {
|
1013 |
perror("failed timer alarm");
|
1014 |
exit(1);
|
1015 |
} |
1016 |
host_alarm = CreateEvent(NULL, FALSE, FALSE, NULL); |
1017 |
if (!host_alarm) {
|
1018 |
perror("failed CreateEvent");
|
1019 |
exit(1);
|
1020 |
} |
1021 |
ResetEvent(host_alarm); |
1022 |
} |
1023 |
pit_min_timer_count = ((uint64_t)10000 * PIT_FREQ) / 1000000; |
1024 |
#else
|
1025 |
{ |
1026 |
struct sigaction act;
|
1027 |
struct itimerval itv;
|
1028 |
|
1029 |
/* get times() syscall frequency */
|
1030 |
timer_freq = sysconf(_SC_CLK_TCK); |
1031 |
|
1032 |
/* timer signal */
|
1033 |
sigfillset(&act.sa_mask); |
1034 |
act.sa_flags = 0;
|
1035 |
#if defined (TARGET_I386) && defined(USE_CODE_COPY)
|
1036 |
act.sa_flags |= SA_ONSTACK; |
1037 |
#endif
|
1038 |
act.sa_handler = host_alarm_handler; |
1039 |
sigaction(SIGALRM, &act, NULL);
|
1040 |
|
1041 |
itv.it_interval.tv_sec = 0;
|
1042 |
itv.it_interval.tv_usec = 999; /* for i386 kernel 2.6 to get 1 ms */ |
1043 |
itv.it_value.tv_sec = 0;
|
1044 |
itv.it_value.tv_usec = 10 * 1000; |
1045 |
setitimer(ITIMER_REAL, &itv, NULL);
|
1046 |
/* we probe the tick duration of the kernel to inform the user if
|
1047 |
the emulated kernel requested a too high timer frequency */
|
1048 |
getitimer(ITIMER_REAL, &itv); |
1049 |
|
1050 |
#if defined(__linux__)
|
1051 |
/* XXX: force /dev/rtc usage because even 2.6 kernels may not
|
1052 |
have timers with 1 ms resolution. The correct solution will
|
1053 |
be to use the POSIX real time timers available in recent
|
1054 |
2.6 kernels */
|
1055 |
if (itv.it_interval.tv_usec > 1000 || 1) { |
1056 |
/* try to use /dev/rtc to have a faster timer */
|
1057 |
if (start_rtc_timer() < 0) |
1058 |
goto use_itimer;
|
1059 |
/* disable itimer */
|
1060 |
itv.it_interval.tv_sec = 0;
|
1061 |
itv.it_interval.tv_usec = 0;
|
1062 |
itv.it_value.tv_sec = 0;
|
1063 |
itv.it_value.tv_usec = 0;
|
1064 |
setitimer(ITIMER_REAL, &itv, NULL);
|
1065 |
|
1066 |
/* use the RTC */
|
1067 |
sigaction(SIGIO, &act, NULL);
|
1068 |
fcntl(rtc_fd, F_SETFL, O_ASYNC); |
1069 |
fcntl(rtc_fd, F_SETOWN, getpid()); |
1070 |
} else
|
1071 |
#endif /* defined(__linux__) */ |
1072 |
{ |
1073 |
use_itimer:
|
1074 |
pit_min_timer_count = ((uint64_t)itv.it_interval.tv_usec * |
1075 |
PIT_FREQ) / 1000000;
|
1076 |
} |
1077 |
} |
1078 |
#endif
|
1079 |
} |
1080 |
|
1081 |
void quit_timers(void) |
1082 |
{ |
1083 |
#ifdef _WIN32
|
1084 |
timeKillEvent(timerID); |
1085 |
timeEndPeriod(period); |
1086 |
if (host_alarm) {
|
1087 |
CloseHandle(host_alarm); |
1088 |
host_alarm = NULL;
|
1089 |
} |
1090 |
#endif
|
1091 |
} |
1092 |
|
1093 |
/***********************************************************/
|
1094 |
/* character device */
|
1095 |
|
1096 |
int qemu_chr_write(CharDriverState *s, const uint8_t *buf, int len) |
1097 |
{ |
1098 |
return s->chr_write(s, buf, len);
|
1099 |
} |
1100 |
|
1101 |
int qemu_chr_ioctl(CharDriverState *s, int cmd, void *arg) |
1102 |
{ |
1103 |
if (!s->chr_ioctl)
|
1104 |
return -ENOTSUP;
|
1105 |
return s->chr_ioctl(s, cmd, arg);
|
1106 |
} |
1107 |
|
1108 |
void qemu_chr_printf(CharDriverState *s, const char *fmt, ...) |
1109 |
{ |
1110 |
char buf[4096]; |
1111 |
va_list ap; |
1112 |
va_start(ap, fmt); |
1113 |
vsnprintf(buf, sizeof(buf), fmt, ap);
|
1114 |
qemu_chr_write(s, buf, strlen(buf)); |
1115 |
va_end(ap); |
1116 |
} |
1117 |
|
1118 |
void qemu_chr_send_event(CharDriverState *s, int event) |
1119 |
{ |
1120 |
if (s->chr_send_event)
|
1121 |
s->chr_send_event(s, event); |
1122 |
} |
1123 |
|
1124 |
void qemu_chr_add_read_handler(CharDriverState *s,
|
1125 |
IOCanRWHandler *fd_can_read, |
1126 |
IOReadHandler *fd_read, void *opaque)
|
1127 |
{ |
1128 |
s->chr_add_read_handler(s, fd_can_read, fd_read, opaque); |
1129 |
} |
1130 |
|
1131 |
void qemu_chr_add_event_handler(CharDriverState *s, IOEventHandler *chr_event)
|
1132 |
{ |
1133 |
s->chr_event = chr_event; |
1134 |
} |
1135 |
|
1136 |
static int null_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
1137 |
{ |
1138 |
return len;
|
1139 |
} |
1140 |
|
1141 |
static void null_chr_add_read_handler(CharDriverState *chr, |
1142 |
IOCanRWHandler *fd_can_read, |
1143 |
IOReadHandler *fd_read, void *opaque)
|
1144 |
{ |
1145 |
} |
1146 |
|
1147 |
CharDriverState *qemu_chr_open_null(void)
|
1148 |
{ |
1149 |
CharDriverState *chr; |
1150 |
|
1151 |
chr = qemu_mallocz(sizeof(CharDriverState));
|
1152 |
if (!chr)
|
1153 |
return NULL; |
1154 |
chr->chr_write = null_chr_write; |
1155 |
chr->chr_add_read_handler = null_chr_add_read_handler; |
1156 |
return chr;
|
1157 |
} |
1158 |
|
1159 |
#ifdef _WIN32
|
1160 |
|
1161 |
static void socket_cleanup(void) |
1162 |
{ |
1163 |
WSACleanup(); |
1164 |
} |
1165 |
|
1166 |
static int socket_init(void) |
1167 |
{ |
1168 |
WSADATA Data; |
1169 |
int ret, err;
|
1170 |
|
1171 |
ret = WSAStartup(MAKEWORD(2,2), &Data); |
1172 |
if (ret != 0) { |
1173 |
err = WSAGetLastError(); |
1174 |
fprintf(stderr, "WSAStartup: %d\n", err);
|
1175 |
return -1; |
1176 |
} |
1177 |
atexit(socket_cleanup); |
1178 |
return 0; |
1179 |
} |
1180 |
|
1181 |
static int send_all(int fd, const uint8_t *buf, int len1) |
1182 |
{ |
1183 |
int ret, len;
|
1184 |
|
1185 |
len = len1; |
1186 |
while (len > 0) { |
1187 |
ret = send(fd, buf, len, 0);
|
1188 |
if (ret < 0) { |
1189 |
int errno;
|
1190 |
errno = WSAGetLastError(); |
1191 |
if (errno != WSAEWOULDBLOCK) {
|
1192 |
return -1; |
1193 |
} |
1194 |
} else if (ret == 0) { |
1195 |
break;
|
1196 |
} else {
|
1197 |
buf += ret; |
1198 |
len -= ret; |
1199 |
} |
1200 |
} |
1201 |
return len1 - len;
|
1202 |
} |
1203 |
|
1204 |
void socket_set_nonblock(int fd) |
1205 |
{ |
1206 |
unsigned long opt = 1; |
1207 |
ioctlsocket(fd, FIONBIO, &opt); |
1208 |
} |
1209 |
|
1210 |
#else
|
1211 |
|
1212 |
static int unix_write(int fd, const uint8_t *buf, int len1) |
1213 |
{ |
1214 |
int ret, len;
|
1215 |
|
1216 |
len = len1; |
1217 |
while (len > 0) { |
1218 |
ret = write(fd, buf, len); |
1219 |
if (ret < 0) { |
1220 |
if (errno != EINTR && errno != EAGAIN)
|
1221 |
return -1; |
1222 |
} else if (ret == 0) { |
1223 |
break;
|
1224 |
} else {
|
1225 |
buf += ret; |
1226 |
len -= ret; |
1227 |
} |
1228 |
} |
1229 |
return len1 - len;
|
1230 |
} |
1231 |
|
1232 |
static inline int send_all(int fd, const uint8_t *buf, int len1) |
1233 |
{ |
1234 |
return unix_write(fd, buf, len1);
|
1235 |
} |
1236 |
|
1237 |
void socket_set_nonblock(int fd) |
1238 |
{ |
1239 |
fcntl(fd, F_SETFL, O_NONBLOCK); |
1240 |
} |
1241 |
#endif /* !_WIN32 */ |
1242 |
|
1243 |
#ifndef _WIN32
|
1244 |
|
1245 |
typedef struct { |
1246 |
int fd_in, fd_out;
|
1247 |
IOCanRWHandler *fd_can_read; |
1248 |
IOReadHandler *fd_read; |
1249 |
void *fd_opaque;
|
1250 |
int max_size;
|
1251 |
} FDCharDriver; |
1252 |
|
1253 |
#define STDIO_MAX_CLIENTS 2 |
1254 |
|
1255 |
static int stdio_nb_clients; |
1256 |
static CharDriverState *stdio_clients[STDIO_MAX_CLIENTS];
|
1257 |
|
1258 |
static int fd_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
1259 |
{ |
1260 |
FDCharDriver *s = chr->opaque; |
1261 |
return unix_write(s->fd_out, buf, len);
|
1262 |
} |
1263 |
|
1264 |
static int fd_chr_read_poll(void *opaque) |
1265 |
{ |
1266 |
CharDriverState *chr = opaque; |
1267 |
FDCharDriver *s = chr->opaque; |
1268 |
|
1269 |
s->max_size = s->fd_can_read(s->fd_opaque); |
1270 |
return s->max_size;
|
1271 |
} |
1272 |
|
1273 |
static void fd_chr_read(void *opaque) |
1274 |
{ |
1275 |
CharDriverState *chr = opaque; |
1276 |
FDCharDriver *s = chr->opaque; |
1277 |
int size, len;
|
1278 |
uint8_t buf[1024];
|
1279 |
|
1280 |
len = sizeof(buf);
|
1281 |
if (len > s->max_size)
|
1282 |
len = s->max_size; |
1283 |
if (len == 0) |
1284 |
return;
|
1285 |
size = read(s->fd_in, buf, len); |
1286 |
if (size > 0) { |
1287 |
s->fd_read(s->fd_opaque, buf, size); |
1288 |
} |
1289 |
} |
1290 |
|
1291 |
static void fd_chr_add_read_handler(CharDriverState *chr, |
1292 |
IOCanRWHandler *fd_can_read, |
1293 |
IOReadHandler *fd_read, void *opaque)
|
1294 |
{ |
1295 |
FDCharDriver *s = chr->opaque; |
1296 |
|
1297 |
if (s->fd_in >= 0) { |
1298 |
s->fd_can_read = fd_can_read; |
1299 |
s->fd_read = fd_read; |
1300 |
s->fd_opaque = opaque; |
1301 |
if (nographic && s->fd_in == 0) { |
1302 |
} else {
|
1303 |
qemu_set_fd_handler2(s->fd_in, fd_chr_read_poll, |
1304 |
fd_chr_read, NULL, chr);
|
1305 |
} |
1306 |
} |
1307 |
} |
1308 |
|
1309 |
/* open a character device to a unix fd */
|
1310 |
CharDriverState *qemu_chr_open_fd(int fd_in, int fd_out) |
1311 |
{ |
1312 |
CharDriverState *chr; |
1313 |
FDCharDriver *s; |
1314 |
|
1315 |
chr = qemu_mallocz(sizeof(CharDriverState));
|
1316 |
if (!chr)
|
1317 |
return NULL; |
1318 |
s = qemu_mallocz(sizeof(FDCharDriver));
|
1319 |
if (!s) {
|
1320 |
free(chr); |
1321 |
return NULL; |
1322 |
} |
1323 |
s->fd_in = fd_in; |
1324 |
s->fd_out = fd_out; |
1325 |
chr->opaque = s; |
1326 |
chr->chr_write = fd_chr_write; |
1327 |
chr->chr_add_read_handler = fd_chr_add_read_handler; |
1328 |
return chr;
|
1329 |
} |
1330 |
|
1331 |
CharDriverState *qemu_chr_open_file_out(const char *file_out) |
1332 |
{ |
1333 |
int fd_out;
|
1334 |
|
1335 |
fd_out = open(file_out, O_WRONLY | O_TRUNC | O_CREAT | O_BINARY, 0666);
|
1336 |
if (fd_out < 0) |
1337 |
return NULL; |
1338 |
return qemu_chr_open_fd(-1, fd_out); |
1339 |
} |
1340 |
|
1341 |
CharDriverState *qemu_chr_open_pipe(const char *filename) |
1342 |
{ |
1343 |
int fd;
|
1344 |
|
1345 |
fd = open(filename, O_RDWR | O_BINARY); |
1346 |
if (fd < 0) |
1347 |
return NULL; |
1348 |
return qemu_chr_open_fd(fd, fd);
|
1349 |
} |
1350 |
|
1351 |
|
1352 |
/* for STDIO, we handle the case where several clients use it
|
1353 |
(nographic mode) */
|
1354 |
|
1355 |
#define TERM_ESCAPE 0x01 /* ctrl-a is used for escape */ |
1356 |
|
1357 |
#define TERM_FIFO_MAX_SIZE 1 |
1358 |
|
1359 |
static int term_got_escape, client_index; |
1360 |
static uint8_t term_fifo[TERM_FIFO_MAX_SIZE];
|
1361 |
int term_fifo_size;
|
1362 |
|
1363 |
void term_print_help(void) |
1364 |
{ |
1365 |
printf("\n"
|
1366 |
"C-a h print this help\n"
|
1367 |
"C-a x exit emulator\n"
|
1368 |
"C-a s save disk data back to file (if -snapshot)\n"
|
1369 |
"C-a b send break (magic sysrq)\n"
|
1370 |
"C-a c switch between console and monitor\n"
|
1371 |
"C-a C-a send C-a\n"
|
1372 |
); |
1373 |
} |
1374 |
|
1375 |
/* called when a char is received */
|
1376 |
static void stdio_received_byte(int ch) |
1377 |
{ |
1378 |
if (term_got_escape) {
|
1379 |
term_got_escape = 0;
|
1380 |
switch(ch) {
|
1381 |
case 'h': |
1382 |
term_print_help(); |
1383 |
break;
|
1384 |
case 'x': |
1385 |
exit(0);
|
1386 |
break;
|
1387 |
case 's': |
1388 |
{ |
1389 |
int i;
|
1390 |
for (i = 0; i < MAX_DISKS; i++) { |
1391 |
if (bs_table[i])
|
1392 |
bdrv_commit(bs_table[i]); |
1393 |
} |
1394 |
} |
1395 |
break;
|
1396 |
case 'b': |
1397 |
if (client_index < stdio_nb_clients) {
|
1398 |
CharDriverState *chr; |
1399 |
FDCharDriver *s; |
1400 |
|
1401 |
chr = stdio_clients[client_index]; |
1402 |
s = chr->opaque; |
1403 |
chr->chr_event(s->fd_opaque, CHR_EVENT_BREAK); |
1404 |
} |
1405 |
break;
|
1406 |
case 'c': |
1407 |
client_index++; |
1408 |
if (client_index >= stdio_nb_clients)
|
1409 |
client_index = 0;
|
1410 |
if (client_index == 0) { |
1411 |
/* send a new line in the monitor to get the prompt */
|
1412 |
ch = '\r';
|
1413 |
goto send_char;
|
1414 |
} |
1415 |
break;
|
1416 |
case TERM_ESCAPE:
|
1417 |
goto send_char;
|
1418 |
} |
1419 |
} else if (ch == TERM_ESCAPE) { |
1420 |
term_got_escape = 1;
|
1421 |
} else {
|
1422 |
send_char:
|
1423 |
if (client_index < stdio_nb_clients) {
|
1424 |
uint8_t buf[1];
|
1425 |
CharDriverState *chr; |
1426 |
FDCharDriver *s; |
1427 |
|
1428 |
chr = stdio_clients[client_index]; |
1429 |
s = chr->opaque; |
1430 |
if (s->fd_can_read(s->fd_opaque) > 0) { |
1431 |
buf[0] = ch;
|
1432 |
s->fd_read(s->fd_opaque, buf, 1);
|
1433 |
} else if (term_fifo_size == 0) { |
1434 |
term_fifo[term_fifo_size++] = ch; |
1435 |
} |
1436 |
} |
1437 |
} |
1438 |
} |
1439 |
|
1440 |
static int stdio_read_poll(void *opaque) |
1441 |
{ |
1442 |
CharDriverState *chr; |
1443 |
FDCharDriver *s; |
1444 |
|
1445 |
if (client_index < stdio_nb_clients) {
|
1446 |
chr = stdio_clients[client_index]; |
1447 |
s = chr->opaque; |
1448 |
/* try to flush the queue if needed */
|
1449 |
if (term_fifo_size != 0 && s->fd_can_read(s->fd_opaque) > 0) { |
1450 |
s->fd_read(s->fd_opaque, term_fifo, 1);
|
1451 |
term_fifo_size = 0;
|
1452 |
} |
1453 |
/* see if we can absorb more chars */
|
1454 |
if (term_fifo_size == 0) |
1455 |
return 1; |
1456 |
else
|
1457 |
return 0; |
1458 |
} else {
|
1459 |
return 1; |
1460 |
} |
1461 |
} |
1462 |
|
1463 |
static void stdio_read(void *opaque) |
1464 |
{ |
1465 |
int size;
|
1466 |
uint8_t buf[1];
|
1467 |
|
1468 |
size = read(0, buf, 1); |
1469 |
if (size > 0) |
1470 |
stdio_received_byte(buf[0]);
|
1471 |
} |
1472 |
|
1473 |
/* init terminal so that we can grab keys */
|
1474 |
static struct termios oldtty; |
1475 |
static int old_fd0_flags; |
1476 |
|
1477 |
static void term_exit(void) |
1478 |
{ |
1479 |
tcsetattr (0, TCSANOW, &oldtty);
|
1480 |
fcntl(0, F_SETFL, old_fd0_flags);
|
1481 |
} |
1482 |
|
1483 |
static void term_init(void) |
1484 |
{ |
1485 |
struct termios tty;
|
1486 |
|
1487 |
tcgetattr (0, &tty);
|
1488 |
oldtty = tty; |
1489 |
old_fd0_flags = fcntl(0, F_GETFL);
|
1490 |
|
1491 |
tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP |
1492 |
|INLCR|IGNCR|ICRNL|IXON); |
1493 |
tty.c_oflag |= OPOST; |
1494 |
tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN); |
1495 |
/* if graphical mode, we allow Ctrl-C handling */
|
1496 |
if (nographic)
|
1497 |
tty.c_lflag &= ~ISIG; |
1498 |
tty.c_cflag &= ~(CSIZE|PARENB); |
1499 |
tty.c_cflag |= CS8; |
1500 |
tty.c_cc[VMIN] = 1;
|
1501 |
tty.c_cc[VTIME] = 0;
|
1502 |
|
1503 |
tcsetattr (0, TCSANOW, &tty);
|
1504 |
|
1505 |
atexit(term_exit); |
1506 |
|
1507 |
fcntl(0, F_SETFL, O_NONBLOCK);
|
1508 |
} |
1509 |
|
1510 |
CharDriverState *qemu_chr_open_stdio(void)
|
1511 |
{ |
1512 |
CharDriverState *chr; |
1513 |
|
1514 |
if (nographic) {
|
1515 |
if (stdio_nb_clients >= STDIO_MAX_CLIENTS)
|
1516 |
return NULL; |
1517 |
chr = qemu_chr_open_fd(0, 1); |
1518 |
if (stdio_nb_clients == 0) |
1519 |
qemu_set_fd_handler2(0, stdio_read_poll, stdio_read, NULL, NULL); |
1520 |
client_index = stdio_nb_clients; |
1521 |
} else {
|
1522 |
if (stdio_nb_clients != 0) |
1523 |
return NULL; |
1524 |
chr = qemu_chr_open_fd(0, 1); |
1525 |
} |
1526 |
stdio_clients[stdio_nb_clients++] = chr; |
1527 |
if (stdio_nb_clients == 1) { |
1528 |
/* set the terminal in raw mode */
|
1529 |
term_init(); |
1530 |
} |
1531 |
return chr;
|
1532 |
} |
1533 |
|
1534 |
#if defined(__linux__)
|
1535 |
CharDriverState *qemu_chr_open_pty(void)
|
1536 |
{ |
1537 |
struct termios tty;
|
1538 |
char slave_name[1024]; |
1539 |
int master_fd, slave_fd;
|
1540 |
|
1541 |
/* Not satisfying */
|
1542 |
if (openpty(&master_fd, &slave_fd, slave_name, NULL, NULL) < 0) { |
1543 |
return NULL; |
1544 |
} |
1545 |
|
1546 |
/* Disabling local echo and line-buffered output */
|
1547 |
tcgetattr (master_fd, &tty); |
1548 |
tty.c_lflag &= ~(ECHO|ICANON|ISIG); |
1549 |
tty.c_cc[VMIN] = 1;
|
1550 |
tty.c_cc[VTIME] = 0;
|
1551 |
tcsetattr (master_fd, TCSAFLUSH, &tty); |
1552 |
|
1553 |
fprintf(stderr, "char device redirected to %s\n", slave_name);
|
1554 |
return qemu_chr_open_fd(master_fd, master_fd);
|
1555 |
} |
1556 |
|
1557 |
static void tty_serial_init(int fd, int speed, |
1558 |
int parity, int data_bits, int stop_bits) |
1559 |
{ |
1560 |
struct termios tty;
|
1561 |
speed_t spd; |
1562 |
|
1563 |
#if 0
|
1564 |
printf("tty_serial_init: speed=%d parity=%c data=%d stop=%d\n",
|
1565 |
speed, parity, data_bits, stop_bits);
|
1566 |
#endif
|
1567 |
tcgetattr (fd, &tty); |
1568 |
|
1569 |
switch(speed) {
|
1570 |
case 50: |
1571 |
spd = B50; |
1572 |
break;
|
1573 |
case 75: |
1574 |
spd = B75; |
1575 |
break;
|
1576 |
case 300: |
1577 |
spd = B300; |
1578 |
break;
|
1579 |
case 600: |
1580 |
spd = B600; |
1581 |
break;
|
1582 |
case 1200: |
1583 |
spd = B1200; |
1584 |
break;
|
1585 |
case 2400: |
1586 |
spd = B2400; |
1587 |
break;
|
1588 |
case 4800: |
1589 |
spd = B4800; |
1590 |
break;
|
1591 |
case 9600: |
1592 |
spd = B9600; |
1593 |
break;
|
1594 |
case 19200: |
1595 |
spd = B19200; |
1596 |
break;
|
1597 |
case 38400: |
1598 |
spd = B38400; |
1599 |
break;
|
1600 |
case 57600: |
1601 |
spd = B57600; |
1602 |
break;
|
1603 |
default:
|
1604 |
case 115200: |
1605 |
spd = B115200; |
1606 |
break;
|
1607 |
} |
1608 |
|
1609 |
cfsetispeed(&tty, spd); |
1610 |
cfsetospeed(&tty, spd); |
1611 |
|
1612 |
tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP |
1613 |
|INLCR|IGNCR|ICRNL|IXON); |
1614 |
tty.c_oflag |= OPOST; |
1615 |
tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN|ISIG); |
1616 |
tty.c_cflag &= ~(CSIZE|PARENB|PARODD|CRTSCTS); |
1617 |
switch(data_bits) {
|
1618 |
default:
|
1619 |
case 8: |
1620 |
tty.c_cflag |= CS8; |
1621 |
break;
|
1622 |
case 7: |
1623 |
tty.c_cflag |= CS7; |
1624 |
break;
|
1625 |
case 6: |
1626 |
tty.c_cflag |= CS6; |
1627 |
break;
|
1628 |
case 5: |
1629 |
tty.c_cflag |= CS5; |
1630 |
break;
|
1631 |
} |
1632 |
switch(parity) {
|
1633 |
default:
|
1634 |
case 'N': |
1635 |
break;
|
1636 |
case 'E': |
1637 |
tty.c_cflag |= PARENB; |
1638 |
break;
|
1639 |
case 'O': |
1640 |
tty.c_cflag |= PARENB | PARODD; |
1641 |
break;
|
1642 |
} |
1643 |
|
1644 |
tcsetattr (fd, TCSANOW, &tty); |
1645 |
} |
1646 |
|
1647 |
static int tty_serial_ioctl(CharDriverState *chr, int cmd, void *arg) |
1648 |
{ |
1649 |
FDCharDriver *s = chr->opaque; |
1650 |
|
1651 |
switch(cmd) {
|
1652 |
case CHR_IOCTL_SERIAL_SET_PARAMS:
|
1653 |
{ |
1654 |
QEMUSerialSetParams *ssp = arg; |
1655 |
tty_serial_init(s->fd_in, ssp->speed, ssp->parity, |
1656 |
ssp->data_bits, ssp->stop_bits); |
1657 |
} |
1658 |
break;
|
1659 |
case CHR_IOCTL_SERIAL_SET_BREAK:
|
1660 |
{ |
1661 |
int enable = *(int *)arg; |
1662 |
if (enable)
|
1663 |
tcsendbreak(s->fd_in, 1);
|
1664 |
} |
1665 |
break;
|
1666 |
default:
|
1667 |
return -ENOTSUP;
|
1668 |
} |
1669 |
return 0; |
1670 |
} |
1671 |
|
1672 |
CharDriverState *qemu_chr_open_tty(const char *filename) |
1673 |
{ |
1674 |
CharDriverState *chr; |
1675 |
int fd;
|
1676 |
|
1677 |
fd = open(filename, O_RDWR | O_NONBLOCK); |
1678 |
if (fd < 0) |
1679 |
return NULL; |
1680 |
fcntl(fd, F_SETFL, O_NONBLOCK); |
1681 |
tty_serial_init(fd, 115200, 'N', 8, 1); |
1682 |
chr = qemu_chr_open_fd(fd, fd); |
1683 |
if (!chr)
|
1684 |
return NULL; |
1685 |
chr->chr_ioctl = tty_serial_ioctl; |
1686 |
return chr;
|
1687 |
} |
1688 |
|
1689 |
static int pp_ioctl(CharDriverState *chr, int cmd, void *arg) |
1690 |
{ |
1691 |
int fd = (int)chr->opaque; |
1692 |
uint8_t b; |
1693 |
|
1694 |
switch(cmd) {
|
1695 |
case CHR_IOCTL_PP_READ_DATA:
|
1696 |
if (ioctl(fd, PPRDATA, &b) < 0) |
1697 |
return -ENOTSUP;
|
1698 |
*(uint8_t *)arg = b; |
1699 |
break;
|
1700 |
case CHR_IOCTL_PP_WRITE_DATA:
|
1701 |
b = *(uint8_t *)arg; |
1702 |
if (ioctl(fd, PPWDATA, &b) < 0) |
1703 |
return -ENOTSUP;
|
1704 |
break;
|
1705 |
case CHR_IOCTL_PP_READ_CONTROL:
|
1706 |
if (ioctl(fd, PPRCONTROL, &b) < 0) |
1707 |
return -ENOTSUP;
|
1708 |
*(uint8_t *)arg = b; |
1709 |
break;
|
1710 |
case CHR_IOCTL_PP_WRITE_CONTROL:
|
1711 |
b = *(uint8_t *)arg; |
1712 |
if (ioctl(fd, PPWCONTROL, &b) < 0) |
1713 |
return -ENOTSUP;
|
1714 |
break;
|
1715 |
case CHR_IOCTL_PP_READ_STATUS:
|
1716 |
if (ioctl(fd, PPRSTATUS, &b) < 0) |
1717 |
return -ENOTSUP;
|
1718 |
*(uint8_t *)arg = b; |
1719 |
break;
|
1720 |
default:
|
1721 |
return -ENOTSUP;
|
1722 |
} |
1723 |
return 0; |
1724 |
} |
1725 |
|
1726 |
CharDriverState *qemu_chr_open_pp(const char *filename) |
1727 |
{ |
1728 |
CharDriverState *chr; |
1729 |
int fd;
|
1730 |
|
1731 |
fd = open(filename, O_RDWR); |
1732 |
if (fd < 0) |
1733 |
return NULL; |
1734 |
|
1735 |
if (ioctl(fd, PPCLAIM) < 0) { |
1736 |
close(fd); |
1737 |
return NULL; |
1738 |
} |
1739 |
|
1740 |
chr = qemu_mallocz(sizeof(CharDriverState));
|
1741 |
if (!chr) {
|
1742 |
close(fd); |
1743 |
return NULL; |
1744 |
} |
1745 |
chr->opaque = (void *)fd;
|
1746 |
chr->chr_write = null_chr_write; |
1747 |
chr->chr_add_read_handler = null_chr_add_read_handler; |
1748 |
chr->chr_ioctl = pp_ioctl; |
1749 |
return chr;
|
1750 |
} |
1751 |
|
1752 |
#else
|
1753 |
CharDriverState *qemu_chr_open_pty(void)
|
1754 |
{ |
1755 |
return NULL; |
1756 |
} |
1757 |
#endif
|
1758 |
|
1759 |
#endif /* !defined(_WIN32) */ |
1760 |
|
1761 |
#ifdef _WIN32
|
1762 |
typedef struct { |
1763 |
IOCanRWHandler *fd_can_read; |
1764 |
IOReadHandler *fd_read; |
1765 |
void *win_opaque;
|
1766 |
int max_size;
|
1767 |
HANDLE hcom, hrecv, hsend; |
1768 |
OVERLAPPED orecv, osend; |
1769 |
BOOL fpipe; |
1770 |
DWORD len; |
1771 |
} WinCharState; |
1772 |
|
1773 |
#define NSENDBUF 2048 |
1774 |
#define NRECVBUF 2048 |
1775 |
#define MAXCONNECT 1 |
1776 |
#define NTIMEOUT 5000 |
1777 |
|
1778 |
static int win_chr_poll(void *opaque); |
1779 |
static int win_chr_pipe_poll(void *opaque); |
1780 |
|
1781 |
static void win_chr_close2(WinCharState *s) |
1782 |
{ |
1783 |
if (s->hsend) {
|
1784 |
CloseHandle(s->hsend); |
1785 |
s->hsend = NULL;
|
1786 |
} |
1787 |
if (s->hrecv) {
|
1788 |
CloseHandle(s->hrecv); |
1789 |
s->hrecv = NULL;
|
1790 |
} |
1791 |
if (s->hcom) {
|
1792 |
CloseHandle(s->hcom); |
1793 |
s->hcom = NULL;
|
1794 |
} |
1795 |
if (s->fpipe)
|
1796 |
qemu_del_polling_cb(win_chr_pipe_poll, s); |
1797 |
else
|
1798 |
qemu_del_polling_cb(win_chr_poll, s); |
1799 |
} |
1800 |
|
1801 |
static void win_chr_close(CharDriverState *chr) |
1802 |
{ |
1803 |
WinCharState *s = chr->opaque; |
1804 |
win_chr_close2(s); |
1805 |
} |
1806 |
|
1807 |
static int win_chr_init(WinCharState *s, const char *filename) |
1808 |
{ |
1809 |
COMMCONFIG comcfg; |
1810 |
COMMTIMEOUTS cto = { 0, 0, 0, 0, 0}; |
1811 |
COMSTAT comstat; |
1812 |
DWORD size; |
1813 |
DWORD err; |
1814 |
|
1815 |
s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL); |
1816 |
if (!s->hsend) {
|
1817 |
fprintf(stderr, "Failed CreateEvent\n");
|
1818 |
goto fail;
|
1819 |
} |
1820 |
s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL); |
1821 |
if (!s->hrecv) {
|
1822 |
fprintf(stderr, "Failed CreateEvent\n");
|
1823 |
goto fail;
|
1824 |
} |
1825 |
|
1826 |
s->hcom = CreateFile(filename, GENERIC_READ|GENERIC_WRITE, 0, NULL, |
1827 |
OPEN_EXISTING, FILE_FLAG_OVERLAPPED, 0);
|
1828 |
if (s->hcom == INVALID_HANDLE_VALUE) {
|
1829 |
fprintf(stderr, "Failed CreateFile (%lu)\n", GetLastError());
|
1830 |
s->hcom = NULL;
|
1831 |
goto fail;
|
1832 |
} |
1833 |
|
1834 |
if (!SetupComm(s->hcom, NRECVBUF, NSENDBUF)) {
|
1835 |
fprintf(stderr, "Failed SetupComm\n");
|
1836 |
goto fail;
|
1837 |
} |
1838 |
|
1839 |
ZeroMemory(&comcfg, sizeof(COMMCONFIG));
|
1840 |
size = sizeof(COMMCONFIG);
|
1841 |
GetDefaultCommConfig(filename, &comcfg, &size); |
1842 |
comcfg.dcb.DCBlength = sizeof(DCB);
|
1843 |
CommConfigDialog(filename, NULL, &comcfg);
|
1844 |
|
1845 |
if (!SetCommState(s->hcom, &comcfg.dcb)) {
|
1846 |
fprintf(stderr, "Failed SetCommState\n");
|
1847 |
goto fail;
|
1848 |
} |
1849 |
|
1850 |
if (!SetCommMask(s->hcom, EV_ERR)) {
|
1851 |
fprintf(stderr, "Failed SetCommMask\n");
|
1852 |
goto fail;
|
1853 |
} |
1854 |
|
1855 |
cto.ReadIntervalTimeout = MAXDWORD; |
1856 |
if (!SetCommTimeouts(s->hcom, &cto)) {
|
1857 |
fprintf(stderr, "Failed SetCommTimeouts\n");
|
1858 |
goto fail;
|
1859 |
} |
1860 |
|
1861 |
if (!ClearCommError(s->hcom, &err, &comstat)) {
|
1862 |
fprintf(stderr, "Failed ClearCommError\n");
|
1863 |
goto fail;
|
1864 |
} |
1865 |
qemu_add_polling_cb(win_chr_poll, s); |
1866 |
return 0; |
1867 |
|
1868 |
fail:
|
1869 |
win_chr_close2(s); |
1870 |
return -1; |
1871 |
} |
1872 |
|
1873 |
static int win_chr_write(CharDriverState *chr, const uint8_t *buf, int len1) |
1874 |
{ |
1875 |
WinCharState *s = chr->opaque; |
1876 |
DWORD len, ret, size, err; |
1877 |
|
1878 |
len = len1; |
1879 |
ZeroMemory(&s->osend, sizeof(s->osend));
|
1880 |
s->osend.hEvent = s->hsend; |
1881 |
while (len > 0) { |
1882 |
if (s->hsend)
|
1883 |
ret = WriteFile(s->hcom, buf, len, &size, &s->osend); |
1884 |
else
|
1885 |
ret = WriteFile(s->hcom, buf, len, &size, NULL);
|
1886 |
if (!ret) {
|
1887 |
err = GetLastError(); |
1888 |
if (err == ERROR_IO_PENDING) {
|
1889 |
ret = GetOverlappedResult(s->hcom, &s->osend, &size, TRUE); |
1890 |
if (ret) {
|
1891 |
buf += size; |
1892 |
len -= size; |
1893 |
} else {
|
1894 |
break;
|
1895 |
} |
1896 |
} else {
|
1897 |
break;
|
1898 |
} |
1899 |
} else {
|
1900 |
buf += size; |
1901 |
len -= size; |
1902 |
} |
1903 |
} |
1904 |
return len1 - len;
|
1905 |
} |
1906 |
|
1907 |
static int win_chr_read_poll(WinCharState *s) |
1908 |
{ |
1909 |
s->max_size = s->fd_can_read(s->win_opaque); |
1910 |
return s->max_size;
|
1911 |
} |
1912 |
|
1913 |
static void win_chr_readfile(WinCharState *s) |
1914 |
{ |
1915 |
int ret, err;
|
1916 |
uint8_t buf[1024];
|
1917 |
DWORD size; |
1918 |
|
1919 |
ZeroMemory(&s->orecv, sizeof(s->orecv));
|
1920 |
s->orecv.hEvent = s->hrecv; |
1921 |
ret = ReadFile(s->hcom, buf, s->len, &size, &s->orecv); |
1922 |
if (!ret) {
|
1923 |
err = GetLastError(); |
1924 |
if (err == ERROR_IO_PENDING) {
|
1925 |
ret = GetOverlappedResult(s->hcom, &s->orecv, &size, TRUE); |
1926 |
} |
1927 |
} |
1928 |
|
1929 |
if (size > 0) { |
1930 |
s->fd_read(s->win_opaque, buf, size); |
1931 |
} |
1932 |
} |
1933 |
|
1934 |
static void win_chr_read(WinCharState *s) |
1935 |
{ |
1936 |
if (s->len > s->max_size)
|
1937 |
s->len = s->max_size; |
1938 |
if (s->len == 0) |
1939 |
return;
|
1940 |
|
1941 |
win_chr_readfile(s); |
1942 |
} |
1943 |
|
1944 |
static int win_chr_poll(void *opaque) |
1945 |
{ |
1946 |
WinCharState *s = opaque; |
1947 |
COMSTAT status; |
1948 |
DWORD comerr; |
1949 |
|
1950 |
ClearCommError(s->hcom, &comerr, &status); |
1951 |
if (status.cbInQue > 0) { |
1952 |
s->len = status.cbInQue; |
1953 |
win_chr_read_poll(s); |
1954 |
win_chr_read(s); |
1955 |
return 1; |
1956 |
} |
1957 |
return 0; |
1958 |
} |
1959 |
|
1960 |
static void win_chr_add_read_handler(CharDriverState *chr, |
1961 |
IOCanRWHandler *fd_can_read, |
1962 |
IOReadHandler *fd_read, void *opaque)
|
1963 |
{ |
1964 |
WinCharState *s = chr->opaque; |
1965 |
|
1966 |
s->fd_can_read = fd_can_read; |
1967 |
s->fd_read = fd_read; |
1968 |
s->win_opaque = opaque; |
1969 |
} |
1970 |
|
1971 |
CharDriverState *qemu_chr_open_win(const char *filename) |
1972 |
{ |
1973 |
CharDriverState *chr; |
1974 |
WinCharState *s; |
1975 |
|
1976 |
chr = qemu_mallocz(sizeof(CharDriverState));
|
1977 |
if (!chr)
|
1978 |
return NULL; |
1979 |
s = qemu_mallocz(sizeof(WinCharState));
|
1980 |
if (!s) {
|
1981 |
free(chr); |
1982 |
return NULL; |
1983 |
} |
1984 |
chr->opaque = s; |
1985 |
chr->chr_write = win_chr_write; |
1986 |
chr->chr_add_read_handler = win_chr_add_read_handler; |
1987 |
chr->chr_close = win_chr_close; |
1988 |
|
1989 |
if (win_chr_init(s, filename) < 0) { |
1990 |
free(s); |
1991 |
free(chr); |
1992 |
return NULL; |
1993 |
} |
1994 |
return chr;
|
1995 |
} |
1996 |
|
1997 |
static int win_chr_pipe_poll(void *opaque) |
1998 |
{ |
1999 |
WinCharState *s = opaque; |
2000 |
DWORD size; |
2001 |
|
2002 |
PeekNamedPipe(s->hcom, NULL, 0, NULL, &size, NULL); |
2003 |
if (size > 0) { |
2004 |
s->len = size; |
2005 |
win_chr_read_poll(s); |
2006 |
win_chr_read(s); |
2007 |
return 1; |
2008 |
} |
2009 |
return 0; |
2010 |
} |
2011 |
|
2012 |
static int win_chr_pipe_init(WinCharState *s, const char *filename) |
2013 |
{ |
2014 |
OVERLAPPED ov; |
2015 |
int ret;
|
2016 |
DWORD size; |
2017 |
char openname[256]; |
2018 |
|
2019 |
s->fpipe = TRUE; |
2020 |
|
2021 |
s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL); |
2022 |
if (!s->hsend) {
|
2023 |
fprintf(stderr, "Failed CreateEvent\n");
|
2024 |
goto fail;
|
2025 |
} |
2026 |
s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL); |
2027 |
if (!s->hrecv) {
|
2028 |
fprintf(stderr, "Failed CreateEvent\n");
|
2029 |
goto fail;
|
2030 |
} |
2031 |
|
2032 |
snprintf(openname, sizeof(openname), "\\\\.\\pipe\\%s", filename); |
2033 |
s->hcom = CreateNamedPipe(openname, PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED, |
2034 |
PIPE_TYPE_BYTE | PIPE_READMODE_BYTE | |
2035 |
PIPE_WAIT, |
2036 |
MAXCONNECT, NSENDBUF, NRECVBUF, NTIMEOUT, NULL);
|
2037 |
if (s->hcom == INVALID_HANDLE_VALUE) {
|
2038 |
fprintf(stderr, "Failed CreateNamedPipe (%lu)\n", GetLastError());
|
2039 |
s->hcom = NULL;
|
2040 |
goto fail;
|
2041 |
} |
2042 |
|
2043 |
ZeroMemory(&ov, sizeof(ov));
|
2044 |
ov.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL); |
2045 |
ret = ConnectNamedPipe(s->hcom, &ov); |
2046 |
if (ret) {
|
2047 |
fprintf(stderr, "Failed ConnectNamedPipe\n");
|
2048 |
goto fail;
|
2049 |
} |
2050 |
|
2051 |
ret = GetOverlappedResult(s->hcom, &ov, &size, TRUE); |
2052 |
if (!ret) {
|
2053 |
fprintf(stderr, "Failed GetOverlappedResult\n");
|
2054 |
if (ov.hEvent) {
|
2055 |
CloseHandle(ov.hEvent); |
2056 |
ov.hEvent = NULL;
|
2057 |
} |
2058 |
goto fail;
|
2059 |
} |
2060 |
|
2061 |
if (ov.hEvent) {
|
2062 |
CloseHandle(ov.hEvent); |
2063 |
ov.hEvent = NULL;
|
2064 |
} |
2065 |
qemu_add_polling_cb(win_chr_pipe_poll, s); |
2066 |
return 0; |
2067 |
|
2068 |
fail:
|
2069 |
win_chr_close2(s); |
2070 |
return -1; |
2071 |
} |
2072 |
|
2073 |
|
2074 |
CharDriverState *qemu_chr_open_win_pipe(const char *filename) |
2075 |
{ |
2076 |
CharDriverState *chr; |
2077 |
WinCharState *s; |
2078 |
|
2079 |
chr = qemu_mallocz(sizeof(CharDriverState));
|
2080 |
if (!chr)
|
2081 |
return NULL; |
2082 |
s = qemu_mallocz(sizeof(WinCharState));
|
2083 |
if (!s) {
|
2084 |
free(chr); |
2085 |
return NULL; |
2086 |
} |
2087 |
chr->opaque = s; |
2088 |
chr->chr_write = win_chr_write; |
2089 |
chr->chr_add_read_handler = win_chr_add_read_handler; |
2090 |
chr->chr_close = win_chr_close; |
2091 |
|
2092 |
if (win_chr_pipe_init(s, filename) < 0) { |
2093 |
free(s); |
2094 |
free(chr); |
2095 |
return NULL; |
2096 |
} |
2097 |
return chr;
|
2098 |
} |
2099 |
|
2100 |
CharDriverState *qemu_chr_open_win_file(HANDLE fd_out) |
2101 |
{ |
2102 |
CharDriverState *chr; |
2103 |
WinCharState *s; |
2104 |
|
2105 |
chr = qemu_mallocz(sizeof(CharDriverState));
|
2106 |
if (!chr)
|
2107 |
return NULL; |
2108 |
s = qemu_mallocz(sizeof(WinCharState));
|
2109 |
if (!s) {
|
2110 |
free(chr); |
2111 |
return NULL; |
2112 |
} |
2113 |
s->hcom = fd_out; |
2114 |
chr->opaque = s; |
2115 |
chr->chr_write = win_chr_write; |
2116 |
chr->chr_add_read_handler = win_chr_add_read_handler; |
2117 |
return chr;
|
2118 |
} |
2119 |
|
2120 |
CharDriverState *qemu_chr_open_win_file_out(const char *file_out) |
2121 |
{ |
2122 |
HANDLE fd_out; |
2123 |
|
2124 |
fd_out = CreateFile(file_out, GENERIC_WRITE, FILE_SHARE_READ, NULL,
|
2125 |
OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
|
2126 |
if (fd_out == INVALID_HANDLE_VALUE)
|
2127 |
return NULL; |
2128 |
|
2129 |
return qemu_chr_open_win_file(fd_out);
|
2130 |
} |
2131 |
#endif
|
2132 |
|
2133 |
CharDriverState *qemu_chr_open(const char *filename) |
2134 |
{ |
2135 |
const char *p; |
2136 |
|
2137 |
if (!strcmp(filename, "vc")) { |
2138 |
return text_console_init(&display_state);
|
2139 |
} else if (!strcmp(filename, "null")) { |
2140 |
return qemu_chr_open_null();
|
2141 |
} else
|
2142 |
#ifndef _WIN32
|
2143 |
if (strstart(filename, "file:", &p)) { |
2144 |
return qemu_chr_open_file_out(p);
|
2145 |
} else if (strstart(filename, "pipe:", &p)) { |
2146 |
return qemu_chr_open_pipe(p);
|
2147 |
} else if (!strcmp(filename, "pty")) { |
2148 |
return qemu_chr_open_pty();
|
2149 |
} else if (!strcmp(filename, "stdio")) { |
2150 |
return qemu_chr_open_stdio();
|
2151 |
} else
|
2152 |
#endif
|
2153 |
#if defined(__linux__)
|
2154 |
if (strstart(filename, "/dev/parport", NULL)) { |
2155 |
return qemu_chr_open_pp(filename);
|
2156 |
} else
|
2157 |
if (strstart(filename, "/dev/", NULL)) { |
2158 |
return qemu_chr_open_tty(filename);
|
2159 |
} else
|
2160 |
#endif
|
2161 |
#ifdef _WIN32
|
2162 |
if (strstart(filename, "COM", NULL)) { |
2163 |
return qemu_chr_open_win(filename);
|
2164 |
} else
|
2165 |
if (strstart(filename, "pipe:", &p)) { |
2166 |
return qemu_chr_open_win_pipe(p);
|
2167 |
} else
|
2168 |
if (strstart(filename, "file:", &p)) { |
2169 |
return qemu_chr_open_win_file_out(p);
|
2170 |
} |
2171 |
#endif
|
2172 |
{ |
2173 |
return NULL; |
2174 |
} |
2175 |
} |
2176 |
|
2177 |
void qemu_chr_close(CharDriverState *chr)
|
2178 |
{ |
2179 |
if (chr->chr_close)
|
2180 |
chr->chr_close(chr); |
2181 |
} |
2182 |
|
2183 |
/***********************************************************/
|
2184 |
/* network device redirectors */
|
2185 |
|
2186 |
void hex_dump(FILE *f, const uint8_t *buf, int size) |
2187 |
{ |
2188 |
int len, i, j, c;
|
2189 |
|
2190 |
for(i=0;i<size;i+=16) { |
2191 |
len = size - i; |
2192 |
if (len > 16) |
2193 |
len = 16;
|
2194 |
fprintf(f, "%08x ", i);
|
2195 |
for(j=0;j<16;j++) { |
2196 |
if (j < len)
|
2197 |
fprintf(f, " %02x", buf[i+j]);
|
2198 |
else
|
2199 |
fprintf(f, " ");
|
2200 |
} |
2201 |
fprintf(f, " ");
|
2202 |
for(j=0;j<len;j++) { |
2203 |
c = buf[i+j]; |
2204 |
if (c < ' ' || c > '~') |
2205 |
c = '.';
|
2206 |
fprintf(f, "%c", c);
|
2207 |
} |
2208 |
fprintf(f, "\n");
|
2209 |
} |
2210 |
} |
2211 |
|
2212 |
static int parse_macaddr(uint8_t *macaddr, const char *p) |
2213 |
{ |
2214 |
int i;
|
2215 |
for(i = 0; i < 6; i++) { |
2216 |
macaddr[i] = strtol(p, (char **)&p, 16); |
2217 |
if (i == 5) { |
2218 |
if (*p != '\0') |
2219 |
return -1; |
2220 |
} else {
|
2221 |
if (*p != ':') |
2222 |
return -1; |
2223 |
p++; |
2224 |
} |
2225 |
} |
2226 |
return 0; |
2227 |
} |
2228 |
|
2229 |
static int get_str_sep(char *buf, int buf_size, const char **pp, int sep) |
2230 |
{ |
2231 |
const char *p, *p1; |
2232 |
int len;
|
2233 |
p = *pp; |
2234 |
p1 = strchr(p, sep); |
2235 |
if (!p1)
|
2236 |
return -1; |
2237 |
len = p1 - p; |
2238 |
p1++; |
2239 |
if (buf_size > 0) { |
2240 |
if (len > buf_size - 1) |
2241 |
len = buf_size - 1;
|
2242 |
memcpy(buf, p, len); |
2243 |
buf[len] = '\0';
|
2244 |
} |
2245 |
*pp = p1; |
2246 |
return 0; |
2247 |
} |
2248 |
|
2249 |
int parse_host_port(struct sockaddr_in *saddr, const char *str) |
2250 |
{ |
2251 |
char buf[512]; |
2252 |
struct hostent *he;
|
2253 |
const char *p, *r; |
2254 |
int port;
|
2255 |
|
2256 |
p = str; |
2257 |
if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) |
2258 |
return -1; |
2259 |
saddr->sin_family = AF_INET; |
2260 |
if (buf[0] == '\0') { |
2261 |
saddr->sin_addr.s_addr = 0;
|
2262 |
} else {
|
2263 |
if (isdigit(buf[0])) { |
2264 |
if (!inet_aton(buf, &saddr->sin_addr))
|
2265 |
return -1; |
2266 |
} else {
|
2267 |
if ((he = gethostbyname(buf)) == NULL) |
2268 |
return - 1; |
2269 |
saddr->sin_addr = *(struct in_addr *)he->h_addr;
|
2270 |
} |
2271 |
} |
2272 |
port = strtol(p, (char **)&r, 0); |
2273 |
if (r == p)
|
2274 |
return -1; |
2275 |
saddr->sin_port = htons(port); |
2276 |
return 0; |
2277 |
} |
2278 |
|
2279 |
/* find or alloc a new VLAN */
|
2280 |
VLANState *qemu_find_vlan(int id)
|
2281 |
{ |
2282 |
VLANState **pvlan, *vlan; |
2283 |
for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) { |
2284 |
if (vlan->id == id)
|
2285 |
return vlan;
|
2286 |
} |
2287 |
vlan = qemu_mallocz(sizeof(VLANState));
|
2288 |
if (!vlan)
|
2289 |
return NULL; |
2290 |
vlan->id = id; |
2291 |
vlan->next = NULL;
|
2292 |
pvlan = &first_vlan; |
2293 |
while (*pvlan != NULL) |
2294 |
pvlan = &(*pvlan)->next; |
2295 |
*pvlan = vlan; |
2296 |
return vlan;
|
2297 |
} |
2298 |
|
2299 |
VLANClientState *qemu_new_vlan_client(VLANState *vlan, |
2300 |
IOReadHandler *fd_read, |
2301 |
IOCanRWHandler *fd_can_read, |
2302 |
void *opaque)
|
2303 |
{ |
2304 |
VLANClientState *vc, **pvc; |
2305 |
vc = qemu_mallocz(sizeof(VLANClientState));
|
2306 |
if (!vc)
|
2307 |
return NULL; |
2308 |
vc->fd_read = fd_read; |
2309 |
vc->fd_can_read = fd_can_read; |
2310 |
vc->opaque = opaque; |
2311 |
vc->vlan = vlan; |
2312 |
|
2313 |
vc->next = NULL;
|
2314 |
pvc = &vlan->first_client; |
2315 |
while (*pvc != NULL) |
2316 |
pvc = &(*pvc)->next; |
2317 |
*pvc = vc; |
2318 |
return vc;
|
2319 |
} |
2320 |
|
2321 |
int qemu_can_send_packet(VLANClientState *vc1)
|
2322 |
{ |
2323 |
VLANState *vlan = vc1->vlan; |
2324 |
VLANClientState *vc; |
2325 |
|
2326 |
for(vc = vlan->first_client; vc != NULL; vc = vc->next) { |
2327 |
if (vc != vc1) {
|
2328 |
if (vc->fd_can_read && !vc->fd_can_read(vc->opaque))
|
2329 |
return 0; |
2330 |
} |
2331 |
} |
2332 |
return 1; |
2333 |
} |
2334 |
|
2335 |
void qemu_send_packet(VLANClientState *vc1, const uint8_t *buf, int size) |
2336 |
{ |
2337 |
VLANState *vlan = vc1->vlan; |
2338 |
VLANClientState *vc; |
2339 |
|
2340 |
#if 0
|
2341 |
printf("vlan %d send:\n", vlan->id);
|
2342 |
hex_dump(stdout, buf, size);
|
2343 |
#endif
|
2344 |
for(vc = vlan->first_client; vc != NULL; vc = vc->next) { |
2345 |
if (vc != vc1) {
|
2346 |
vc->fd_read(vc->opaque, buf, size); |
2347 |
} |
2348 |
} |
2349 |
} |
2350 |
|
2351 |
#if defined(CONFIG_SLIRP)
|
2352 |
|
2353 |
/* slirp network adapter */
|
2354 |
|
2355 |
static int slirp_inited; |
2356 |
static VLANClientState *slirp_vc;
|
2357 |
|
2358 |
int slirp_can_output(void) |
2359 |
{ |
2360 |
return !slirp_vc || qemu_can_send_packet(slirp_vc);
|
2361 |
} |
2362 |
|
2363 |
void slirp_output(const uint8_t *pkt, int pkt_len) |
2364 |
{ |
2365 |
#if 0
|
2366 |
printf("slirp output:\n");
|
2367 |
hex_dump(stdout, pkt, pkt_len);
|
2368 |
#endif
|
2369 |
if (!slirp_vc)
|
2370 |
return;
|
2371 |
qemu_send_packet(slirp_vc, pkt, pkt_len); |
2372 |
} |
2373 |
|
2374 |
static void slirp_receive(void *opaque, const uint8_t *buf, int size) |
2375 |
{ |
2376 |
#if 0
|
2377 |
printf("slirp input:\n");
|
2378 |
hex_dump(stdout, buf, size);
|
2379 |
#endif
|
2380 |
slirp_input(buf, size); |
2381 |
} |
2382 |
|
2383 |
static int net_slirp_init(VLANState *vlan) |
2384 |
{ |
2385 |
if (!slirp_inited) {
|
2386 |
slirp_inited = 1;
|
2387 |
slirp_init(); |
2388 |
} |
2389 |
slirp_vc = qemu_new_vlan_client(vlan, |
2390 |
slirp_receive, NULL, NULL); |
2391 |
snprintf(slirp_vc->info_str, sizeof(slirp_vc->info_str), "user redirector"); |
2392 |
return 0; |
2393 |
} |
2394 |
|
2395 |
static void net_slirp_redir(const char *redir_str) |
2396 |
{ |
2397 |
int is_udp;
|
2398 |
char buf[256], *r; |
2399 |
const char *p; |
2400 |
struct in_addr guest_addr;
|
2401 |
int host_port, guest_port;
|
2402 |
|
2403 |
if (!slirp_inited) {
|
2404 |
slirp_inited = 1;
|
2405 |
slirp_init(); |
2406 |
} |
2407 |
|
2408 |
p = redir_str; |
2409 |
if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) |
2410 |
goto fail;
|
2411 |
if (!strcmp(buf, "tcp")) { |
2412 |
is_udp = 0;
|
2413 |
} else if (!strcmp(buf, "udp")) { |
2414 |
is_udp = 1;
|
2415 |
} else {
|
2416 |
goto fail;
|
2417 |
} |
2418 |
|
2419 |
if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) |
2420 |
goto fail;
|
2421 |
host_port = strtol(buf, &r, 0);
|
2422 |
if (r == buf)
|
2423 |
goto fail;
|
2424 |
|
2425 |
if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) |
2426 |
goto fail;
|
2427 |
if (buf[0] == '\0') { |
2428 |
pstrcpy(buf, sizeof(buf), "10.0.2.15"); |
2429 |
} |
2430 |
if (!inet_aton(buf, &guest_addr))
|
2431 |
goto fail;
|
2432 |
|
2433 |
guest_port = strtol(p, &r, 0);
|
2434 |
if (r == p)
|
2435 |
goto fail;
|
2436 |
|
2437 |
if (slirp_redir(is_udp, host_port, guest_addr, guest_port) < 0) { |
2438 |
fprintf(stderr, "qemu: could not set up redirection\n");
|
2439 |
exit(1);
|
2440 |
} |
2441 |
return;
|
2442 |
fail:
|
2443 |
fprintf(stderr, "qemu: syntax: -redir [tcp|udp]:host-port:[guest-host]:guest-port\n");
|
2444 |
exit(1);
|
2445 |
} |
2446 |
|
2447 |
#ifndef _WIN32
|
2448 |
|
2449 |
char smb_dir[1024]; |
2450 |
|
2451 |
static void smb_exit(void) |
2452 |
{ |
2453 |
DIR *d; |
2454 |
struct dirent *de;
|
2455 |
char filename[1024]; |
2456 |
|
2457 |
/* erase all the files in the directory */
|
2458 |
d = opendir(smb_dir); |
2459 |
for(;;) {
|
2460 |
de = readdir(d); |
2461 |
if (!de)
|
2462 |
break;
|
2463 |
if (strcmp(de->d_name, ".") != 0 && |
2464 |
strcmp(de->d_name, "..") != 0) { |
2465 |
snprintf(filename, sizeof(filename), "%s/%s", |
2466 |
smb_dir, de->d_name); |
2467 |
unlink(filename); |
2468 |
} |
2469 |
} |
2470 |
closedir(d); |
2471 |
rmdir(smb_dir); |
2472 |
} |
2473 |
|
2474 |
/* automatic user mode samba server configuration */
|
2475 |
void net_slirp_smb(const char *exported_dir) |
2476 |
{ |
2477 |
char smb_conf[1024]; |
2478 |
char smb_cmdline[1024]; |
2479 |
FILE *f; |
2480 |
|
2481 |
if (!slirp_inited) {
|
2482 |
slirp_inited = 1;
|
2483 |
slirp_init(); |
2484 |
} |
2485 |
|
2486 |
/* XXX: better tmp dir construction */
|
2487 |
snprintf(smb_dir, sizeof(smb_dir), "/tmp/qemu-smb.%d", getpid()); |
2488 |
if (mkdir(smb_dir, 0700) < 0) { |
2489 |
fprintf(stderr, "qemu: could not create samba server dir '%s'\n", smb_dir);
|
2490 |
exit(1);
|
2491 |
} |
2492 |
snprintf(smb_conf, sizeof(smb_conf), "%s/%s", smb_dir, "smb.conf"); |
2493 |
|
2494 |
f = fopen(smb_conf, "w");
|
2495 |
if (!f) {
|
2496 |
fprintf(stderr, "qemu: could not create samba server configuration file '%s'\n", smb_conf);
|
2497 |
exit(1);
|
2498 |
} |
2499 |
fprintf(f, |
2500 |
"[global]\n"
|
2501 |
"private dir=%s\n"
|
2502 |
"smb ports=0\n"
|
2503 |
"socket address=127.0.0.1\n"
|
2504 |
"pid directory=%s\n"
|
2505 |
"lock directory=%s\n"
|
2506 |
"log file=%s/log.smbd\n"
|
2507 |
"smb passwd file=%s/smbpasswd\n"
|
2508 |
"security = share\n"
|
2509 |
"[qemu]\n"
|
2510 |
"path=%s\n"
|
2511 |
"read only=no\n"
|
2512 |
"guest ok=yes\n",
|
2513 |
smb_dir, |
2514 |
smb_dir, |
2515 |
smb_dir, |
2516 |
smb_dir, |
2517 |
smb_dir, |
2518 |
exported_dir |
2519 |
); |
2520 |
fclose(f); |
2521 |
atexit(smb_exit); |
2522 |
|
2523 |
snprintf(smb_cmdline, sizeof(smb_cmdline), "/usr/sbin/smbd -s %s", |
2524 |
smb_conf); |
2525 |
|
2526 |
slirp_add_exec(0, smb_cmdline, 4, 139); |
2527 |
} |
2528 |
|
2529 |
#endif /* !defined(_WIN32) */ |
2530 |
|
2531 |
#endif /* CONFIG_SLIRP */ |
2532 |
|
2533 |
#if !defined(_WIN32)
|
2534 |
|
2535 |
typedef struct TAPState { |
2536 |
VLANClientState *vc; |
2537 |
int fd;
|
2538 |
} TAPState; |
2539 |
|
2540 |
static void tap_receive(void *opaque, const uint8_t *buf, int size) |
2541 |
{ |
2542 |
TAPState *s = opaque; |
2543 |
int ret;
|
2544 |
for(;;) {
|
2545 |
ret = write(s->fd, buf, size); |
2546 |
if (ret < 0 && (errno == EINTR || errno == EAGAIN)) { |
2547 |
} else {
|
2548 |
break;
|
2549 |
} |
2550 |
} |
2551 |
} |
2552 |
|
2553 |
static void tap_send(void *opaque) |
2554 |
{ |
2555 |
TAPState *s = opaque; |
2556 |
uint8_t buf[4096];
|
2557 |
int size;
|
2558 |
|
2559 |
size = read(s->fd, buf, sizeof(buf));
|
2560 |
if (size > 0) { |
2561 |
qemu_send_packet(s->vc, buf, size); |
2562 |
} |
2563 |
} |
2564 |
|
2565 |
/* fd support */
|
2566 |
|
2567 |
static TAPState *net_tap_fd_init(VLANState *vlan, int fd) |
2568 |
{ |
2569 |
TAPState *s; |
2570 |
|
2571 |
s = qemu_mallocz(sizeof(TAPState));
|
2572 |
if (!s)
|
2573 |
return NULL; |
2574 |
s->fd = fd; |
2575 |
s->vc = qemu_new_vlan_client(vlan, tap_receive, NULL, s);
|
2576 |
qemu_set_fd_handler(s->fd, tap_send, NULL, s);
|
2577 |
snprintf(s->vc->info_str, sizeof(s->vc->info_str), "tap: fd=%d", fd); |
2578 |
return s;
|
2579 |
} |
2580 |
|
2581 |
#ifdef _BSD
|
2582 |
static int tap_open(char *ifname, int ifname_size) |
2583 |
{ |
2584 |
int fd;
|
2585 |
char *dev;
|
2586 |
struct stat s;
|
2587 |
|
2588 |
fd = open("/dev/tap", O_RDWR);
|
2589 |
if (fd < 0) { |
2590 |
fprintf(stderr, "warning: could not open /dev/tap: no virtual network emulation\n");
|
2591 |
return -1; |
2592 |
} |
2593 |
|
2594 |
fstat(fd, &s); |
2595 |
dev = devname(s.st_rdev, S_IFCHR); |
2596 |
pstrcpy(ifname, ifname_size, dev); |
2597 |
|
2598 |
fcntl(fd, F_SETFL, O_NONBLOCK); |
2599 |
return fd;
|
2600 |
} |
2601 |
#elif defined(__sun__)
|
2602 |
static int tap_open(char *ifname, int ifname_size) |
2603 |
{ |
2604 |
fprintf(stderr, "warning: tap_open not yet implemented\n");
|
2605 |
return -1; |
2606 |
} |
2607 |
#else
|
2608 |
static int tap_open(char *ifname, int ifname_size) |
2609 |
{ |
2610 |
struct ifreq ifr;
|
2611 |
int fd, ret;
|
2612 |
|
2613 |
fd = open("/dev/net/tun", O_RDWR);
|
2614 |
if (fd < 0) { |
2615 |
fprintf(stderr, "warning: could not open /dev/net/tun: no virtual network emulation\n");
|
2616 |
return -1; |
2617 |
} |
2618 |
memset(&ifr, 0, sizeof(ifr)); |
2619 |
ifr.ifr_flags = IFF_TAP | IFF_NO_PI; |
2620 |
if (ifname[0] != '\0') |
2621 |
pstrcpy(ifr.ifr_name, IFNAMSIZ, ifname); |
2622 |
else
|
2623 |
pstrcpy(ifr.ifr_name, IFNAMSIZ, "tap%d");
|
2624 |
ret = ioctl(fd, TUNSETIFF, (void *) &ifr);
|
2625 |
if (ret != 0) { |
2626 |
fprintf(stderr, "warning: could not configure /dev/net/tun: no virtual network emulation\n");
|
2627 |
close(fd); |
2628 |
return -1; |
2629 |
} |
2630 |
pstrcpy(ifname, ifname_size, ifr.ifr_name); |
2631 |
fcntl(fd, F_SETFL, O_NONBLOCK); |
2632 |
return fd;
|
2633 |
} |
2634 |
#endif
|
2635 |
|
2636 |
static int net_tap_init(VLANState *vlan, const char *ifname1, |
2637 |
const char *setup_script) |
2638 |
{ |
2639 |
TAPState *s; |
2640 |
int pid, status, fd;
|
2641 |
char *args[3]; |
2642 |
char **parg;
|
2643 |
char ifname[128]; |
2644 |
|
2645 |
if (ifname1 != NULL) |
2646 |
pstrcpy(ifname, sizeof(ifname), ifname1);
|
2647 |
else
|
2648 |
ifname[0] = '\0'; |
2649 |
fd = tap_open(ifname, sizeof(ifname));
|
2650 |
if (fd < 0) |
2651 |
return -1; |
2652 |
|
2653 |
if (!setup_script)
|
2654 |
setup_script = "";
|
2655 |
if (setup_script[0] != '\0') { |
2656 |
/* try to launch network init script */
|
2657 |
pid = fork(); |
2658 |
if (pid >= 0) { |
2659 |
if (pid == 0) { |
2660 |
parg = args; |
2661 |
*parg++ = (char *)setup_script;
|
2662 |
*parg++ = ifname; |
2663 |
*parg++ = NULL;
|
2664 |
execv(setup_script, args); |
2665 |
_exit(1);
|
2666 |
} |
2667 |
while (waitpid(pid, &status, 0) != pid); |
2668 |
if (!WIFEXITED(status) ||
|
2669 |
WEXITSTATUS(status) != 0) {
|
2670 |
fprintf(stderr, "%s: could not launch network script\n",
|
2671 |
setup_script); |
2672 |
return -1; |
2673 |
} |
2674 |
} |
2675 |
} |
2676 |
s = net_tap_fd_init(vlan, fd); |
2677 |
if (!s)
|
2678 |
return -1; |
2679 |
snprintf(s->vc->info_str, sizeof(s->vc->info_str),
|
2680 |
"tap: ifname=%s setup_script=%s", ifname, setup_script);
|
2681 |
return 0; |
2682 |
} |
2683 |
|
2684 |
#endif /* !_WIN32 */ |
2685 |
|
2686 |
/* network connection */
|
2687 |
typedef struct NetSocketState { |
2688 |
VLANClientState *vc; |
2689 |
int fd;
|
2690 |
int state; /* 0 = getting length, 1 = getting data */ |
2691 |
int index;
|
2692 |
int packet_len;
|
2693 |
uint8_t buf[4096];
|
2694 |
struct sockaddr_in dgram_dst; /* contains inet host and port destination iff connectionless (SOCK_DGRAM) */ |
2695 |
} NetSocketState; |
2696 |
|
2697 |
typedef struct NetSocketListenState { |
2698 |
VLANState *vlan; |
2699 |
int fd;
|
2700 |
} NetSocketListenState; |
2701 |
|
2702 |
/* XXX: we consider we can send the whole packet without blocking */
|
2703 |
static void net_socket_receive(void *opaque, const uint8_t *buf, int size) |
2704 |
{ |
2705 |
NetSocketState *s = opaque; |
2706 |
uint32_t len; |
2707 |
len = htonl(size); |
2708 |
|
2709 |
send_all(s->fd, (const uint8_t *)&len, sizeof(len)); |
2710 |
send_all(s->fd, buf, size); |
2711 |
} |
2712 |
|
2713 |
static void net_socket_receive_dgram(void *opaque, const uint8_t *buf, int size) |
2714 |
{ |
2715 |
NetSocketState *s = opaque; |
2716 |
sendto(s->fd, buf, size, 0,
|
2717 |
(struct sockaddr *)&s->dgram_dst, sizeof(s->dgram_dst)); |
2718 |
} |
2719 |
|
2720 |
static void net_socket_send(void *opaque) |
2721 |
{ |
2722 |
NetSocketState *s = opaque; |
2723 |
int l, size, err;
|
2724 |
uint8_t buf1[4096];
|
2725 |
const uint8_t *buf;
|
2726 |
|
2727 |
size = recv(s->fd, buf1, sizeof(buf1), 0); |
2728 |
if (size < 0) { |
2729 |
err = socket_error(); |
2730 |
if (err != EWOULDBLOCK)
|
2731 |
goto eoc;
|
2732 |
} else if (size == 0) { |
2733 |
/* end of connection */
|
2734 |
eoc:
|
2735 |
qemu_set_fd_handler(s->fd, NULL, NULL, NULL); |
2736 |
closesocket(s->fd); |
2737 |
return;
|
2738 |
} |
2739 |
buf = buf1; |
2740 |
while (size > 0) { |
2741 |
/* reassemble a packet from the network */
|
2742 |
switch(s->state) {
|
2743 |
case 0: |
2744 |
l = 4 - s->index;
|
2745 |
if (l > size)
|
2746 |
l = size; |
2747 |
memcpy(s->buf + s->index, buf, l); |
2748 |
buf += l; |
2749 |
size -= l; |
2750 |
s->index += l; |
2751 |
if (s->index == 4) { |
2752 |
/* got length */
|
2753 |
s->packet_len = ntohl(*(uint32_t *)s->buf); |
2754 |
s->index = 0;
|
2755 |
s->state = 1;
|
2756 |
} |
2757 |
break;
|
2758 |
case 1: |
2759 |
l = s->packet_len - s->index; |
2760 |
if (l > size)
|
2761 |
l = size; |
2762 |
memcpy(s->buf + s->index, buf, l); |
2763 |
s->index += l; |
2764 |
buf += l; |
2765 |
size -= l; |
2766 |
if (s->index >= s->packet_len) {
|
2767 |
qemu_send_packet(s->vc, s->buf, s->packet_len); |
2768 |
s->index = 0;
|
2769 |
s->state = 0;
|
2770 |
} |
2771 |
break;
|
2772 |
} |
2773 |
} |
2774 |
} |
2775 |
|
2776 |
static void net_socket_send_dgram(void *opaque) |
2777 |
{ |
2778 |
NetSocketState *s = opaque; |
2779 |
int size;
|
2780 |
|
2781 |
size = recv(s->fd, s->buf, sizeof(s->buf), 0); |
2782 |
if (size < 0) |
2783 |
return;
|
2784 |
if (size == 0) { |
2785 |
/* end of connection */
|
2786 |
qemu_set_fd_handler(s->fd, NULL, NULL, NULL); |
2787 |
return;
|
2788 |
} |
2789 |
qemu_send_packet(s->vc, s->buf, size); |
2790 |
} |
2791 |
|
2792 |
static int net_socket_mcast_create(struct sockaddr_in *mcastaddr) |
2793 |
{ |
2794 |
struct ip_mreq imr;
|
2795 |
int fd;
|
2796 |
int val, ret;
|
2797 |
if (!IN_MULTICAST(ntohl(mcastaddr->sin_addr.s_addr))) {
|
2798 |
fprintf(stderr, "qemu: error: specified mcastaddr \"%s\" (0x%08x) does not contain a multicast address\n",
|
2799 |
inet_ntoa(mcastaddr->sin_addr), |
2800 |
(int)ntohl(mcastaddr->sin_addr.s_addr));
|
2801 |
return -1; |
2802 |
|
2803 |
} |
2804 |
fd = socket(PF_INET, SOCK_DGRAM, 0);
|
2805 |
if (fd < 0) { |
2806 |
perror("socket(PF_INET, SOCK_DGRAM)");
|
2807 |
return -1; |
2808 |
} |
2809 |
|
2810 |
val = 1;
|
2811 |
ret=setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, |
2812 |
(const char *)&val, sizeof(val)); |
2813 |
if (ret < 0) { |
2814 |
perror("setsockopt(SOL_SOCKET, SO_REUSEADDR)");
|
2815 |
goto fail;
|
2816 |
} |
2817 |
|
2818 |
ret = bind(fd, (struct sockaddr *)mcastaddr, sizeof(*mcastaddr)); |
2819 |
if (ret < 0) { |
2820 |
perror("bind");
|
2821 |
goto fail;
|
2822 |
} |
2823 |
|
2824 |
/* Add host to multicast group */
|
2825 |
imr.imr_multiaddr = mcastaddr->sin_addr; |
2826 |
imr.imr_interface.s_addr = htonl(INADDR_ANY); |
2827 |
|
2828 |
ret = setsockopt(fd, IPPROTO_IP, IP_ADD_MEMBERSHIP, |
2829 |
(const char *)&imr, sizeof(struct ip_mreq)); |
2830 |
if (ret < 0) { |
2831 |
perror("setsockopt(IP_ADD_MEMBERSHIP)");
|
2832 |
goto fail;
|
2833 |
} |
2834 |
|
2835 |
/* Force mcast msgs to loopback (eg. several QEMUs in same host */
|
2836 |
val = 1;
|
2837 |
ret=setsockopt(fd, IPPROTO_IP, IP_MULTICAST_LOOP, |
2838 |
(const char *)&val, sizeof(val)); |
2839 |
if (ret < 0) { |
2840 |
perror("setsockopt(SOL_IP, IP_MULTICAST_LOOP)");
|
2841 |
goto fail;
|
2842 |
} |
2843 |
|
2844 |
socket_set_nonblock(fd); |
2845 |
return fd;
|
2846 |
fail:
|
2847 |
if (fd>=0) close(fd); |
2848 |
return -1; |
2849 |
} |
2850 |
|
2851 |
static NetSocketState *net_socket_fd_init_dgram(VLANState *vlan, int fd, |
2852 |
int is_connected)
|
2853 |
{ |
2854 |
struct sockaddr_in saddr;
|
2855 |
int newfd;
|
2856 |
socklen_t saddr_len; |
2857 |
NetSocketState *s; |
2858 |
|
2859 |
/* fd passed: multicast: "learn" dgram_dst address from bound address and save it
|
2860 |
* Because this may be "shared" socket from a "master" process, datagrams would be recv()
|
2861 |
* by ONLY ONE process: we must "clone" this dgram socket --jjo
|
2862 |
*/
|
2863 |
|
2864 |
if (is_connected) {
|
2865 |
if (getsockname(fd, (struct sockaddr *) &saddr, &saddr_len) == 0) { |
2866 |
/* must be bound */
|
2867 |
if (saddr.sin_addr.s_addr==0) { |
2868 |
fprintf(stderr, "qemu: error: init_dgram: fd=%d unbound, cannot setup multicast dst addr\n",
|
2869 |
fd); |
2870 |
return NULL; |
2871 |
} |
2872 |
/* clone dgram socket */
|
2873 |
newfd = net_socket_mcast_create(&saddr); |
2874 |
if (newfd < 0) { |
2875 |
/* error already reported by net_socket_mcast_create() */
|
2876 |
close(fd); |
2877 |
return NULL; |
2878 |
} |
2879 |
/* clone newfd to fd, close newfd */
|
2880 |
dup2(newfd, fd); |
2881 |
close(newfd); |
2882 |
|
2883 |
} else {
|
2884 |
fprintf(stderr, "qemu: error: init_dgram: fd=%d failed getsockname(): %s\n",
|
2885 |
fd, strerror(errno)); |
2886 |
return NULL; |
2887 |
} |
2888 |
} |
2889 |
|
2890 |
s = qemu_mallocz(sizeof(NetSocketState));
|
2891 |
if (!s)
|
2892 |
return NULL; |
2893 |
s->fd = fd; |
2894 |
|
2895 |
s->vc = qemu_new_vlan_client(vlan, net_socket_receive_dgram, NULL, s);
|
2896 |
qemu_set_fd_handler(s->fd, net_socket_send_dgram, NULL, s);
|
2897 |
|
2898 |
/* mcast: save bound address as dst */
|
2899 |
if (is_connected) s->dgram_dst=saddr;
|
2900 |
|
2901 |
snprintf(s->vc->info_str, sizeof(s->vc->info_str),
|
2902 |
"socket: fd=%d (%s mcast=%s:%d)",
|
2903 |
fd, is_connected? "cloned" : "", |
2904 |
inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); |
2905 |
return s;
|
2906 |
} |
2907 |
|
2908 |
static void net_socket_connect(void *opaque) |
2909 |
{ |
2910 |
NetSocketState *s = opaque; |
2911 |
qemu_set_fd_handler(s->fd, net_socket_send, NULL, s);
|
2912 |
} |
2913 |
|
2914 |
static NetSocketState *net_socket_fd_init_stream(VLANState *vlan, int fd, |
2915 |
int is_connected)
|
2916 |
{ |
2917 |
NetSocketState *s; |
2918 |
s = qemu_mallocz(sizeof(NetSocketState));
|
2919 |
if (!s)
|
2920 |
return NULL; |
2921 |
s->fd = fd; |
2922 |
s->vc = qemu_new_vlan_client(vlan, |
2923 |
net_socket_receive, NULL, s);
|
2924 |
snprintf(s->vc->info_str, sizeof(s->vc->info_str),
|
2925 |
"socket: fd=%d", fd);
|
2926 |
if (is_connected) {
|
2927 |
net_socket_connect(s); |
2928 |
} else {
|
2929 |
qemu_set_fd_handler(s->fd, NULL, net_socket_connect, s);
|
2930 |
} |
2931 |
return s;
|
2932 |
} |
2933 |
|
2934 |
static NetSocketState *net_socket_fd_init(VLANState *vlan, int fd, |
2935 |
int is_connected)
|
2936 |
{ |
2937 |
int so_type=-1, optlen=sizeof(so_type); |
2938 |
|
2939 |
if(getsockopt(fd, SOL_SOCKET, SO_TYPE, (char *)&so_type, &optlen)< 0) { |
2940 |
fprintf(stderr, "qemu: error: setsockopt(SO_TYPE) for fd=%d failed\n", fd);
|
2941 |
return NULL; |
2942 |
} |
2943 |
switch(so_type) {
|
2944 |
case SOCK_DGRAM:
|
2945 |
return net_socket_fd_init_dgram(vlan, fd, is_connected);
|
2946 |
case SOCK_STREAM:
|
2947 |
return net_socket_fd_init_stream(vlan, fd, is_connected);
|
2948 |
default:
|
2949 |
/* who knows ... this could be a eg. a pty, do warn and continue as stream */
|
2950 |
fprintf(stderr, "qemu: warning: socket type=%d for fd=%d is not SOCK_DGRAM or SOCK_STREAM\n", so_type, fd);
|
2951 |
return net_socket_fd_init_stream(vlan, fd, is_connected);
|
2952 |
} |
2953 |
return NULL; |
2954 |
} |
2955 |
|
2956 |
static void net_socket_accept(void *opaque) |
2957 |
{ |
2958 |
NetSocketListenState *s = opaque; |
2959 |
NetSocketState *s1; |
2960 |
struct sockaddr_in saddr;
|
2961 |
socklen_t len; |
2962 |
int fd;
|
2963 |
|
2964 |
for(;;) {
|
2965 |
len = sizeof(saddr);
|
2966 |
fd = accept(s->fd, (struct sockaddr *)&saddr, &len);
|
2967 |
if (fd < 0 && errno != EINTR) { |
2968 |
return;
|
2969 |
} else if (fd >= 0) { |
2970 |
break;
|
2971 |
} |
2972 |
} |
2973 |
s1 = net_socket_fd_init(s->vlan, fd, 1);
|
2974 |
if (!s1) {
|
2975 |
close(fd); |
2976 |
} else {
|
2977 |
snprintf(s1->vc->info_str, sizeof(s1->vc->info_str),
|
2978 |
"socket: connection from %s:%d",
|
2979 |
inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); |
2980 |
} |
2981 |
} |
2982 |
|
2983 |
static int net_socket_listen_init(VLANState *vlan, const char *host_str) |
2984 |
{ |
2985 |
NetSocketListenState *s; |
2986 |
int fd, val, ret;
|
2987 |
struct sockaddr_in saddr;
|
2988 |
|
2989 |
if (parse_host_port(&saddr, host_str) < 0) |
2990 |
return -1; |
2991 |
|
2992 |
s = qemu_mallocz(sizeof(NetSocketListenState));
|
2993 |
if (!s)
|
2994 |
return -1; |
2995 |
|
2996 |
fd = socket(PF_INET, SOCK_STREAM, 0);
|
2997 |
if (fd < 0) { |
2998 |
perror("socket");
|
2999 |
return -1; |
3000 |
} |
3001 |
socket_set_nonblock(fd); |
3002 |
|
3003 |
/* allow fast reuse */
|
3004 |
val = 1;
|
3005 |
setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (const char *)&val, sizeof(val)); |
3006 |
|
3007 |
ret = bind(fd, (struct sockaddr *)&saddr, sizeof(saddr)); |
3008 |
if (ret < 0) { |
3009 |
perror("bind");
|
3010 |
return -1; |
3011 |
} |
3012 |
ret = listen(fd, 0);
|
3013 |
if (ret < 0) { |
3014 |
perror("listen");
|
3015 |
return -1; |
3016 |
} |
3017 |
s->vlan = vlan; |
3018 |
s->fd = fd; |
3019 |
qemu_set_fd_handler(fd, net_socket_accept, NULL, s);
|
3020 |
return 0; |
3021 |
} |
3022 |
|
3023 |
static int net_socket_connect_init(VLANState *vlan, const char *host_str) |
3024 |
{ |
3025 |
NetSocketState *s; |
3026 |
int fd, connected, ret, err;
|
3027 |
struct sockaddr_in saddr;
|
3028 |
|
3029 |
if (parse_host_port(&saddr, host_str) < 0) |
3030 |
return -1; |
3031 |
|
3032 |
fd = socket(PF_INET, SOCK_STREAM, 0);
|
3033 |
if (fd < 0) { |
3034 |
perror("socket");
|
3035 |
return -1; |
3036 |
} |
3037 |
socket_set_nonblock(fd); |
3038 |
|
3039 |
connected = 0;
|
3040 |
for(;;) {
|
3041 |
ret = connect(fd, (struct sockaddr *)&saddr, sizeof(saddr)); |
3042 |
if (ret < 0) { |
3043 |
err = socket_error(); |
3044 |
if (err == EINTR || err == EWOULDBLOCK) {
|
3045 |
} else if (err == EINPROGRESS) { |
3046 |
break;
|
3047 |
} else {
|
3048 |
perror("connect");
|
3049 |
closesocket(fd); |
3050 |
return -1; |
3051 |
} |
3052 |
} else {
|
3053 |
connected = 1;
|
3054 |
break;
|
3055 |
} |
3056 |
} |
3057 |
s = net_socket_fd_init(vlan, fd, connected); |
3058 |
if (!s)
|
3059 |
return -1; |
3060 |
snprintf(s->vc->info_str, sizeof(s->vc->info_str),
|
3061 |
"socket: connect to %s:%d",
|
3062 |
inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); |
3063 |
return 0; |
3064 |
} |
3065 |
|
3066 |
static int net_socket_mcast_init(VLANState *vlan, const char *host_str) |
3067 |
{ |
3068 |
NetSocketState *s; |
3069 |
int fd;
|
3070 |
struct sockaddr_in saddr;
|
3071 |
|
3072 |
if (parse_host_port(&saddr, host_str) < 0) |
3073 |
return -1; |
3074 |
|
3075 |
|
3076 |
fd = net_socket_mcast_create(&saddr); |
3077 |
if (fd < 0) |
3078 |
return -1; |
3079 |
|
3080 |
s = net_socket_fd_init(vlan, fd, 0);
|
3081 |
if (!s)
|
3082 |
return -1; |
3083 |
|
3084 |
s->dgram_dst = saddr; |
3085 |
|
3086 |
snprintf(s->vc->info_str, sizeof(s->vc->info_str),
|
3087 |
"socket: mcast=%s:%d",
|
3088 |
inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); |
3089 |
return 0; |
3090 |
|
3091 |
} |
3092 |
|
3093 |
static int get_param_value(char *buf, int buf_size, |
3094 |
const char *tag, const char *str) |
3095 |
{ |
3096 |
const char *p; |
3097 |
char *q;
|
3098 |
char option[128]; |
3099 |
|
3100 |
p = str; |
3101 |
for(;;) {
|
3102 |
q = option; |
3103 |
while (*p != '\0' && *p != '=') { |
3104 |
if ((q - option) < sizeof(option) - 1) |
3105 |
*q++ = *p; |
3106 |
p++; |
3107 |
} |
3108 |
*q = '\0';
|
3109 |
if (*p != '=') |
3110 |
break;
|
3111 |
p++; |
3112 |
if (!strcmp(tag, option)) {
|
3113 |
q = buf; |
3114 |
while (*p != '\0' && *p != ',') { |
3115 |
if ((q - buf) < buf_size - 1) |
3116 |
*q++ = *p; |
3117 |
p++; |
3118 |
} |
3119 |
*q = '\0';
|
3120 |
return q - buf;
|
3121 |
} else {
|
3122 |
while (*p != '\0' && *p != ',') { |
3123 |
p++; |
3124 |
} |
3125 |
} |
3126 |
if (*p != ',') |
3127 |
break;
|
3128 |
p++; |
3129 |
} |
3130 |
return 0; |
3131 |
} |
3132 |
|
3133 |
int net_client_init(const char *str) |
3134 |
{ |
3135 |
const char *p; |
3136 |
char *q;
|
3137 |
char device[64]; |
3138 |
char buf[1024]; |
3139 |
int vlan_id, ret;
|
3140 |
VLANState *vlan; |
3141 |
|
3142 |
p = str; |
3143 |
q = device; |
3144 |
while (*p != '\0' && *p != ',') { |
3145 |
if ((q - device) < sizeof(device) - 1) |
3146 |
*q++ = *p; |
3147 |
p++; |
3148 |
} |
3149 |
*q = '\0';
|
3150 |
if (*p == ',') |
3151 |
p++; |
3152 |
vlan_id = 0;
|
3153 |
if (get_param_value(buf, sizeof(buf), "vlan", p)) { |
3154 |
vlan_id = strtol(buf, NULL, 0); |
3155 |
} |
3156 |
vlan = qemu_find_vlan(vlan_id); |
3157 |
if (!vlan) {
|
3158 |
fprintf(stderr, "Could not create vlan %d\n", vlan_id);
|
3159 |
return -1; |
3160 |
} |
3161 |
if (!strcmp(device, "nic")) { |
3162 |
NICInfo *nd; |
3163 |
uint8_t *macaddr; |
3164 |
|
3165 |
if (nb_nics >= MAX_NICS) {
|
3166 |
fprintf(stderr, "Too Many NICs\n");
|
3167 |
return -1; |
3168 |
} |
3169 |
nd = &nd_table[nb_nics]; |
3170 |
macaddr = nd->macaddr; |
3171 |
macaddr[0] = 0x52; |
3172 |
macaddr[1] = 0x54; |
3173 |
macaddr[2] = 0x00; |
3174 |
macaddr[3] = 0x12; |
3175 |
macaddr[4] = 0x34; |
3176 |
macaddr[5] = 0x56 + nb_nics; |
3177 |
|
3178 |
if (get_param_value(buf, sizeof(buf), "macaddr", p)) { |
3179 |
if (parse_macaddr(macaddr, buf) < 0) { |
3180 |
fprintf(stderr, "invalid syntax for ethernet address\n");
|
3181 |
return -1; |
3182 |
} |
3183 |
} |
3184 |
if (get_param_value(buf, sizeof(buf), "model", p)) { |
3185 |
nd->model = strdup(buf); |
3186 |
} |
3187 |
nd->vlan = vlan; |
3188 |
nb_nics++; |
3189 |
ret = 0;
|
3190 |
} else
|
3191 |
if (!strcmp(device, "none")) { |
3192 |
/* does nothing. It is needed to signal that no network cards
|
3193 |
are wanted */
|
3194 |
ret = 0;
|
3195 |
} else
|
3196 |
#ifdef CONFIG_SLIRP
|
3197 |
if (!strcmp(device, "user")) { |
3198 |
if (get_param_value(buf, sizeof(buf), "hostname", p)) { |
3199 |
pstrcpy(slirp_hostname, sizeof(slirp_hostname), buf);
|
3200 |
} |
3201 |
ret = net_slirp_init(vlan); |
3202 |
} else
|
3203 |
#endif
|
3204 |
#ifdef _WIN32
|
3205 |
if (!strcmp(device, "tap")) { |
3206 |
char ifname[64]; |
3207 |
if (get_param_value(ifname, sizeof(ifname), "ifname", p) <= 0) { |
3208 |
fprintf(stderr, "tap: no interface name\n");
|
3209 |
return -1; |
3210 |
} |
3211 |
ret = tap_win32_init(vlan, ifname); |
3212 |
} else
|
3213 |
#else
|
3214 |
if (!strcmp(device, "tap")) { |
3215 |
char ifname[64]; |
3216 |
char setup_script[1024]; |
3217 |
int fd;
|
3218 |
if (get_param_value(buf, sizeof(buf), "fd", p) > 0) { |
3219 |
fd = strtol(buf, NULL, 0); |
3220 |
ret = -1;
|
3221 |
if (net_tap_fd_init(vlan, fd))
|
3222 |
ret = 0;
|
3223 |
} else {
|
3224 |
get_param_value(ifname, sizeof(ifname), "ifname", p); |
3225 |
if (get_param_value(setup_script, sizeof(setup_script), "script", p) == 0) { |
3226 |
pstrcpy(setup_script, sizeof(setup_script), DEFAULT_NETWORK_SCRIPT);
|
3227 |
} |
3228 |
ret = net_tap_init(vlan, ifname, setup_script); |
3229 |
} |
3230 |
} else
|
3231 |
#endif
|
3232 |
if (!strcmp(device, "socket")) { |
3233 |
if (get_param_value(buf, sizeof(buf), "fd", p) > 0) { |
3234 |
int fd;
|
3235 |
fd = strtol(buf, NULL, 0); |
3236 |
ret = -1;
|
3237 |
if (net_socket_fd_init(vlan, fd, 1)) |
3238 |
ret = 0;
|
3239 |
} else if (get_param_value(buf, sizeof(buf), "listen", p) > 0) { |
3240 |
ret = net_socket_listen_init(vlan, buf); |
3241 |
} else if (get_param_value(buf, sizeof(buf), "connect", p) > 0) { |
3242 |
ret = net_socket_connect_init(vlan, buf); |
3243 |
} else if (get_param_value(buf, sizeof(buf), "mcast", p) > 0) { |
3244 |
ret = net_socket_mcast_init(vlan, buf); |
3245 |
} else {
|
3246 |
fprintf(stderr, "Unknown socket options: %s\n", p);
|
3247 |
return -1; |
3248 |
} |
3249 |
} else
|
3250 |
{ |
3251 |
fprintf(stderr, "Unknown network device: %s\n", device);
|
3252 |
return -1; |
3253 |
} |
3254 |
if (ret < 0) { |
3255 |
fprintf(stderr, "Could not initialize device '%s'\n", device);
|
3256 |
} |
3257 |
|
3258 |
return ret;
|
3259 |
} |
3260 |
|
3261 |
void do_info_network(void) |
3262 |
{ |
3263 |
VLANState *vlan; |
3264 |
VLANClientState *vc; |
3265 |
|
3266 |
for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) { |
3267 |
term_printf("VLAN %d devices:\n", vlan->id);
|
3268 |
for(vc = vlan->first_client; vc != NULL; vc = vc->next) |
3269 |
term_printf(" %s\n", vc->info_str);
|
3270 |
} |
3271 |
} |
3272 |
|
3273 |
/***********************************************************/
|
3274 |
/* USB devices */
|
3275 |
|
3276 |
static USBPort *used_usb_ports;
|
3277 |
static USBPort *free_usb_ports;
|
3278 |
|
3279 |
/* ??? Maybe change this to register a hub to keep track of the topology. */
|
3280 |
void qemu_register_usb_port(USBPort *port, void *opaque, int index, |
3281 |
usb_attachfn attach) |
3282 |
{ |
3283 |
port->opaque = opaque; |
3284 |
port->index = index; |
3285 |
port->attach = attach; |
3286 |
port->next = free_usb_ports; |
3287 |
free_usb_ports = port; |
3288 |
} |
3289 |
|
3290 |
static int usb_device_add(const char *devname) |
3291 |
{ |
3292 |
const char *p; |
3293 |
USBDevice *dev; |
3294 |
USBPort *port; |
3295 |
|
3296 |
if (!free_usb_ports)
|
3297 |
return -1; |
3298 |
|
3299 |
if (strstart(devname, "host:", &p)) { |
3300 |
dev = usb_host_device_open(p); |
3301 |
} else if (!strcmp(devname, "mouse")) { |
3302 |
dev = usb_mouse_init(); |
3303 |
} else if (!strcmp(devname, "tablet")) { |
3304 |
dev = usb_tablet_init(); |
3305 |
} else if (strstart(devname, "disk:", &p)) { |
3306 |
dev = usb_msd_init(p); |
3307 |
} else {
|
3308 |
return -1; |
3309 |
} |
3310 |
if (!dev)
|
3311 |
return -1; |
3312 |
|
3313 |
/* Find a USB port to add the device to. */
|
3314 |
port = free_usb_ports; |
3315 |
if (!port->next) {
|
3316 |
USBDevice *hub; |
3317 |
|
3318 |
/* Create a new hub and chain it on. */
|
3319 |
free_usb_ports = NULL;
|
3320 |
port->next = used_usb_ports; |
3321 |
used_usb_ports = port; |
3322 |
|
3323 |
hub = usb_hub_init(VM_USB_HUB_SIZE); |
3324 |
usb_attach(port, hub); |
3325 |
port = free_usb_ports; |
3326 |
} |
3327 |
|
3328 |
free_usb_ports = port->next; |
3329 |
port->next = used_usb_ports; |
3330 |
used_usb_ports = port; |
3331 |
usb_attach(port, dev); |
3332 |
return 0; |
3333 |
} |
3334 |
|
3335 |
static int usb_device_del(const char *devname) |
3336 |
{ |
3337 |
USBPort *port; |
3338 |
USBPort **lastp; |
3339 |
int bus_num, addr;
|
3340 |
const char *p; |
3341 |
|
3342 |
if (!used_usb_ports)
|
3343 |
return -1; |
3344 |
|
3345 |
p = strchr(devname, '.');
|
3346 |
if (!p)
|
3347 |
return -1; |
3348 |
bus_num = strtoul(devname, NULL, 0); |
3349 |
addr = strtoul(p + 1, NULL, 0); |
3350 |
if (bus_num != 0) |
3351 |
return -1; |
3352 |
|
3353 |
lastp = &used_usb_ports; |
3354 |
port = used_usb_ports; |
3355 |
while (port && port->dev->addr != addr) {
|
3356 |
lastp = &port->next; |
3357 |
port = port->next; |
3358 |
} |
3359 |
|
3360 |
if (!port)
|
3361 |
return -1; |
3362 |
|
3363 |
*lastp = port->next; |
3364 |
usb_attach(port, NULL);
|
3365 |
port->next = free_usb_ports; |
3366 |
free_usb_ports = port; |
3367 |
return 0; |
3368 |
} |
3369 |
|
3370 |
void do_usb_add(const char *devname) |
3371 |
{ |
3372 |
int ret;
|
3373 |
ret = usb_device_add(devname); |
3374 |
if (ret < 0) |
3375 |
term_printf("Could not add USB device '%s'\n", devname);
|
3376 |
} |
3377 |
|
3378 |
void do_usb_del(const char *devname) |
3379 |
{ |
3380 |
int ret;
|
3381 |
ret = usb_device_del(devname); |
3382 |
if (ret < 0) |
3383 |
term_printf("Could not remove USB device '%s'\n", devname);
|
3384 |
} |
3385 |
|
3386 |
void usb_info(void) |
3387 |
{ |
3388 |
USBDevice *dev; |
3389 |
USBPort *port; |
3390 |
const char *speed_str; |
3391 |
|
3392 |
if (!usb_enabled) {
|
3393 |
term_printf("USB support not enabled\n");
|
3394 |
return;
|
3395 |
} |
3396 |
|
3397 |
for (port = used_usb_ports; port; port = port->next) {
|
3398 |
dev = port->dev; |
3399 |
if (!dev)
|
3400 |
continue;
|
3401 |
switch(dev->speed) {
|
3402 |
case USB_SPEED_LOW:
|
3403 |
speed_str = "1.5";
|
3404 |
break;
|
3405 |
case USB_SPEED_FULL:
|
3406 |
speed_str = "12";
|
3407 |
break;
|
3408 |
case USB_SPEED_HIGH:
|
3409 |
speed_str = "480";
|
3410 |
break;
|
3411 |
default:
|
3412 |
speed_str = "?";
|
3413 |
break;
|
3414 |
} |
3415 |
term_printf(" Device %d.%d, speed %s Mb/s\n",
|
3416 |
0, dev->addr, speed_str);
|
3417 |
} |
3418 |
} |
3419 |
|
3420 |
/***********************************************************/
|
3421 |
/* pid file */
|
3422 |
|
3423 |
static char *pid_filename; |
3424 |
|
3425 |
/* Remove PID file. Called on normal exit */
|
3426 |
|
3427 |
static void remove_pidfile(void) |
3428 |
{ |
3429 |
unlink (pid_filename); |
3430 |
} |
3431 |
|
3432 |
static void create_pidfile(const char *filename) |
3433 |
{ |
3434 |
struct stat pidstat;
|
3435 |
FILE *f; |
3436 |
|
3437 |
/* Try to write our PID to the named file */
|
3438 |
if (stat(filename, &pidstat) < 0) { |
3439 |
if (errno == ENOENT) {
|
3440 |
if ((f = fopen (filename, "w")) == NULL) { |
3441 |
perror("Opening pidfile");
|
3442 |
exit(1);
|
3443 |
} |
3444 |
fprintf(f, "%d\n", getpid());
|
3445 |
fclose(f); |
3446 |
pid_filename = qemu_strdup(filename); |
3447 |
if (!pid_filename) {
|
3448 |
fprintf(stderr, "Could not save PID filename");
|
3449 |
exit(1);
|
3450 |
} |
3451 |
atexit(remove_pidfile); |
3452 |
} |
3453 |
} else {
|
3454 |
fprintf(stderr, "%s already exists. Remove it and try again.\n",
|
3455 |
filename); |
3456 |
exit(1);
|
3457 |
} |
3458 |
} |
3459 |
|
3460 |
/***********************************************************/
|
3461 |
/* dumb display */
|
3462 |
|
3463 |
static void dumb_update(DisplayState *ds, int x, int y, int w, int h) |
3464 |
{ |
3465 |
} |
3466 |
|
3467 |
static void dumb_resize(DisplayState *ds, int w, int h) |
3468 |
{ |
3469 |
} |
3470 |
|
3471 |
static void dumb_refresh(DisplayState *ds) |
3472 |
{ |
3473 |
vga_hw_update(); |
3474 |
} |
3475 |
|
3476 |
void dumb_display_init(DisplayState *ds)
|
3477 |
{ |
3478 |
ds->data = NULL;
|
3479 |
ds->linesize = 0;
|
3480 |
ds->depth = 0;
|
3481 |
ds->dpy_update = dumb_update; |
3482 |
ds->dpy_resize = dumb_resize; |
3483 |
ds->dpy_refresh = dumb_refresh; |
3484 |
} |
3485 |
|
3486 |
#if !defined(CONFIG_SOFTMMU)
|
3487 |
/***********************************************************/
|
3488 |
/* cpu signal handler */
|
3489 |
static void host_segv_handler(int host_signum, siginfo_t *info, |
3490 |
void *puc)
|
3491 |
{ |
3492 |
if (cpu_signal_handler(host_signum, info, puc))
|
3493 |
return;
|
3494 |
if (stdio_nb_clients > 0) |
3495 |
term_exit(); |
3496 |
abort(); |
3497 |
} |
3498 |
#endif
|
3499 |
|
3500 |
/***********************************************************/
|
3501 |
/* I/O handling */
|
3502 |
|
3503 |
#define MAX_IO_HANDLERS 64 |
3504 |
|
3505 |
typedef struct IOHandlerRecord { |
3506 |
int fd;
|
3507 |
IOCanRWHandler *fd_read_poll; |
3508 |
IOHandler *fd_read; |
3509 |
IOHandler *fd_write; |
3510 |
void *opaque;
|
3511 |
/* temporary data */
|
3512 |
struct pollfd *ufd;
|
3513 |
struct IOHandlerRecord *next;
|
3514 |
} IOHandlerRecord; |
3515 |
|
3516 |
static IOHandlerRecord *first_io_handler;
|
3517 |
|
3518 |
/* XXX: fd_read_poll should be suppressed, but an API change is
|
3519 |
necessary in the character devices to suppress fd_can_read(). */
|
3520 |
int qemu_set_fd_handler2(int fd, |
3521 |
IOCanRWHandler *fd_read_poll, |
3522 |
IOHandler *fd_read, |
3523 |
IOHandler *fd_write, |
3524 |
void *opaque)
|
3525 |
{ |
3526 |
IOHandlerRecord **pioh, *ioh; |
3527 |
|
3528 |
if (!fd_read && !fd_write) {
|
3529 |
pioh = &first_io_handler; |
3530 |
for(;;) {
|
3531 |
ioh = *pioh; |
3532 |
if (ioh == NULL) |
3533 |
break;
|
3534 |
if (ioh->fd == fd) {
|
3535 |
*pioh = ioh->next; |
3536 |
qemu_free(ioh); |
3537 |
break;
|
3538 |
} |
3539 |
pioh = &ioh->next; |
3540 |
} |
3541 |
} else {
|
3542 |
for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { |
3543 |
if (ioh->fd == fd)
|
3544 |
goto found;
|
3545 |
} |
3546 |
ioh = qemu_mallocz(sizeof(IOHandlerRecord));
|
3547 |
if (!ioh)
|
3548 |
return -1; |
3549 |
ioh->next = first_io_handler; |
3550 |
first_io_handler = ioh; |
3551 |
found:
|
3552 |
ioh->fd = fd; |
3553 |
ioh->fd_read_poll = fd_read_poll; |
3554 |
ioh->fd_read = fd_read; |
3555 |
ioh->fd_write = fd_write; |
3556 |
ioh->opaque = opaque; |
3557 |
} |
3558 |
return 0; |
3559 |
} |
3560 |
|
3561 |
int qemu_set_fd_handler(int fd, |
3562 |
IOHandler *fd_read, |
3563 |
IOHandler *fd_write, |
3564 |
void *opaque)
|
3565 |
{ |
3566 |
return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque); |
3567 |
} |
3568 |
|
3569 |
/***********************************************************/
|
3570 |
/* Polling handling */
|
3571 |
|
3572 |
typedef struct PollingEntry { |
3573 |
PollingFunc *func; |
3574 |
void *opaque;
|
3575 |
struct PollingEntry *next;
|
3576 |
} PollingEntry; |
3577 |
|
3578 |
static PollingEntry *first_polling_entry;
|
3579 |
|
3580 |
int qemu_add_polling_cb(PollingFunc *func, void *opaque) |
3581 |
{ |
3582 |
PollingEntry **ppe, *pe; |
3583 |
pe = qemu_mallocz(sizeof(PollingEntry));
|
3584 |
if (!pe)
|
3585 |
return -1; |
3586 |
pe->func = func; |
3587 |
pe->opaque = opaque; |
3588 |
for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next); |
3589 |
*ppe = pe; |
3590 |
return 0; |
3591 |
} |
3592 |
|
3593 |
void qemu_del_polling_cb(PollingFunc *func, void *opaque) |
3594 |
{ |
3595 |
PollingEntry **ppe, *pe; |
3596 |
for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next) { |
3597 |
pe = *ppe; |
3598 |
if (pe->func == func && pe->opaque == opaque) {
|
3599 |
*ppe = pe->next; |
3600 |
qemu_free(pe); |
3601 |
break;
|
3602 |
} |
3603 |
} |
3604 |
} |
3605 |
|
3606 |
/***********************************************************/
|
3607 |
/* savevm/loadvm support */
|
3608 |
|
3609 |
void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size) |
3610 |
{ |
3611 |
fwrite(buf, 1, size, f);
|
3612 |
} |
3613 |
|
3614 |
void qemu_put_byte(QEMUFile *f, int v) |
3615 |
{ |
3616 |
fputc(v, f); |
3617 |
} |
3618 |
|
3619 |
void qemu_put_be16(QEMUFile *f, unsigned int v) |
3620 |
{ |
3621 |
qemu_put_byte(f, v >> 8);
|
3622 |
qemu_put_byte(f, v); |
3623 |
} |
3624 |
|
3625 |
void qemu_put_be32(QEMUFile *f, unsigned int v) |
3626 |
{ |
3627 |
qemu_put_byte(f, v >> 24);
|
3628 |
qemu_put_byte(f, v >> 16);
|
3629 |
qemu_put_byte(f, v >> 8);
|
3630 |
qemu_put_byte(f, v); |
3631 |
} |
3632 |
|
3633 |
void qemu_put_be64(QEMUFile *f, uint64_t v)
|
3634 |
{ |
3635 |
qemu_put_be32(f, v >> 32);
|
3636 |
qemu_put_be32(f, v); |
3637 |
} |
3638 |
|
3639 |
int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size) |
3640 |
{ |
3641 |
return fread(buf, 1, size, f); |
3642 |
} |
3643 |
|
3644 |
int qemu_get_byte(QEMUFile *f)
|
3645 |
{ |
3646 |
int v;
|
3647 |
v = fgetc(f); |
3648 |
if (v == EOF) |
3649 |
return 0; |
3650 |
else
|
3651 |
return v;
|
3652 |
} |
3653 |
|
3654 |
unsigned int qemu_get_be16(QEMUFile *f) |
3655 |
{ |
3656 |
unsigned int v; |
3657 |
v = qemu_get_byte(f) << 8;
|
3658 |
v |= qemu_get_byte(f); |
3659 |
return v;
|
3660 |
} |
3661 |
|
3662 |
unsigned int qemu_get_be32(QEMUFile *f) |
3663 |
{ |
3664 |
unsigned int v; |
3665 |
v = qemu_get_byte(f) << 24;
|
3666 |
v |= qemu_get_byte(f) << 16;
|
3667 |
v |= qemu_get_byte(f) << 8;
|
3668 |
v |= qemu_get_byte(f); |
3669 |
return v;
|
3670 |
} |
3671 |
|
3672 |
uint64_t qemu_get_be64(QEMUFile *f) |
3673 |
{ |
3674 |
uint64_t v; |
3675 |
v = (uint64_t)qemu_get_be32(f) << 32;
|
3676 |
v |= qemu_get_be32(f); |
3677 |
return v;
|
3678 |
} |
3679 |
|
3680 |
int64_t qemu_ftell(QEMUFile *f) |
3681 |
{ |
3682 |
return ftell(f);
|
3683 |
} |
3684 |
|
3685 |
int64_t qemu_fseek(QEMUFile *f, int64_t pos, int whence)
|
3686 |
{ |
3687 |
if (fseek(f, pos, whence) < 0) |
3688 |
return -1; |
3689 |
return ftell(f);
|
3690 |
} |
3691 |
|
3692 |
typedef struct SaveStateEntry { |
3693 |
char idstr[256]; |
3694 |
int instance_id;
|
3695 |
int version_id;
|
3696 |
SaveStateHandler *save_state; |
3697 |
LoadStateHandler *load_state; |
3698 |
void *opaque;
|
3699 |
struct SaveStateEntry *next;
|
3700 |
} SaveStateEntry; |
3701 |
|
3702 |
static SaveStateEntry *first_se;
|
3703 |
|
3704 |
int register_savevm(const char *idstr, |
3705 |
int instance_id,
|
3706 |
int version_id,
|
3707 |
SaveStateHandler *save_state, |
3708 |
LoadStateHandler *load_state, |
3709 |
void *opaque)
|
3710 |
{ |
3711 |
SaveStateEntry *se, **pse; |
3712 |
|
3713 |
se = qemu_malloc(sizeof(SaveStateEntry));
|
3714 |
if (!se)
|
3715 |
return -1; |
3716 |
pstrcpy(se->idstr, sizeof(se->idstr), idstr);
|
3717 |
se->instance_id = instance_id; |
3718 |
se->version_id = version_id; |
3719 |
se->save_state = save_state; |
3720 |
se->load_state = load_state; |
3721 |
se->opaque = opaque; |
3722 |
se->next = NULL;
|
3723 |
|
3724 |
/* add at the end of list */
|
3725 |
pse = &first_se; |
3726 |
while (*pse != NULL) |
3727 |
pse = &(*pse)->next; |
3728 |
*pse = se; |
3729 |
return 0; |
3730 |
} |
3731 |
|
3732 |
#define QEMU_VM_FILE_MAGIC 0x5145564d |
3733 |
#define QEMU_VM_FILE_VERSION 0x00000001 |
3734 |
|
3735 |
int qemu_savevm(const char *filename) |
3736 |
{ |
3737 |
SaveStateEntry *se; |
3738 |
QEMUFile *f; |
3739 |
int len, len_pos, cur_pos, saved_vm_running, ret;
|
3740 |
|
3741 |
saved_vm_running = vm_running; |
3742 |
vm_stop(0);
|
3743 |
|
3744 |
f = fopen(filename, "wb");
|
3745 |
if (!f) {
|
3746 |
ret = -1;
|
3747 |
goto the_end;
|
3748 |
} |
3749 |
|
3750 |
qemu_put_be32(f, QEMU_VM_FILE_MAGIC); |
3751 |
qemu_put_be32(f, QEMU_VM_FILE_VERSION); |
3752 |
|
3753 |
for(se = first_se; se != NULL; se = se->next) { |
3754 |
/* ID string */
|
3755 |
len = strlen(se->idstr); |
3756 |
qemu_put_byte(f, len); |
3757 |
qemu_put_buffer(f, se->idstr, len); |
3758 |
|
3759 |
qemu_put_be32(f, se->instance_id); |
3760 |
qemu_put_be32(f, se->version_id); |
3761 |
|
3762 |
/* record size: filled later */
|
3763 |
len_pos = ftell(f); |
3764 |
qemu_put_be32(f, 0);
|
3765 |
|
3766 |
se->save_state(f, se->opaque); |
3767 |
|
3768 |
/* fill record size */
|
3769 |
cur_pos = ftell(f); |
3770 |
len = ftell(f) - len_pos - 4;
|
3771 |
fseek(f, len_pos, SEEK_SET); |
3772 |
qemu_put_be32(f, len); |
3773 |
fseek(f, cur_pos, SEEK_SET); |
3774 |
} |
3775 |
|
3776 |
fclose(f); |
3777 |
ret = 0;
|
3778 |
the_end:
|
3779 |
if (saved_vm_running)
|
3780 |
vm_start(); |
3781 |
return ret;
|
3782 |
} |
3783 |
|
3784 |
static SaveStateEntry *find_se(const char *idstr, int instance_id) |
3785 |
{ |
3786 |
SaveStateEntry *se; |
3787 |
|
3788 |
for(se = first_se; se != NULL; se = se->next) { |
3789 |
if (!strcmp(se->idstr, idstr) &&
|
3790 |
instance_id == se->instance_id) |
3791 |
return se;
|
3792 |
} |
3793 |
return NULL; |
3794 |
} |
3795 |
|
3796 |
int qemu_loadvm(const char *filename) |
3797 |
{ |
3798 |
SaveStateEntry *se; |
3799 |
QEMUFile *f; |
3800 |
int len, cur_pos, ret, instance_id, record_len, version_id;
|
3801 |
int saved_vm_running;
|
3802 |
unsigned int v; |
3803 |
char idstr[256]; |
3804 |
|
3805 |
saved_vm_running = vm_running; |
3806 |
vm_stop(0);
|
3807 |
|
3808 |
f = fopen(filename, "rb");
|
3809 |
if (!f) {
|
3810 |
ret = -1;
|
3811 |
goto the_end;
|
3812 |
} |
3813 |
|
3814 |
v = qemu_get_be32(f); |
3815 |
if (v != QEMU_VM_FILE_MAGIC)
|
3816 |
goto fail;
|
3817 |
v = qemu_get_be32(f); |
3818 |
if (v != QEMU_VM_FILE_VERSION) {
|
3819 |
fail:
|
3820 |
fclose(f); |
3821 |
ret = -1;
|
3822 |
goto the_end;
|
3823 |
} |
3824 |
for(;;) {
|
3825 |
len = qemu_get_byte(f); |
3826 |
if (feof(f))
|
3827 |
break;
|
3828 |
qemu_get_buffer(f, idstr, len); |
3829 |
idstr[len] = '\0';
|
3830 |
instance_id = qemu_get_be32(f); |
3831 |
version_id = qemu_get_be32(f); |
3832 |
record_len = qemu_get_be32(f); |
3833 |
#if 0
|
3834 |
printf("idstr=%s instance=0x%x version=%d len=%d\n",
|
3835 |
idstr, instance_id, version_id, record_len);
|
3836 |
#endif
|
3837 |
cur_pos = ftell(f); |
3838 |
se = find_se(idstr, instance_id); |
3839 |
if (!se) {
|
3840 |
fprintf(stderr, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n",
|
3841 |
instance_id, idstr); |
3842 |
} else {
|
3843 |
ret = se->load_state(f, se->opaque, version_id); |
3844 |
if (ret < 0) { |
3845 |
fprintf(stderr, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n",
|
3846 |
instance_id, idstr); |
3847 |
} |
3848 |
} |
3849 |
/* always seek to exact end of record */
|
3850 |
qemu_fseek(f, cur_pos + record_len, SEEK_SET); |
3851 |
} |
3852 |
fclose(f); |
3853 |
ret = 0;
|
3854 |
the_end:
|
3855 |
if (saved_vm_running)
|
3856 |
vm_start(); |
3857 |
return ret;
|
3858 |
} |
3859 |
|
3860 |
/***********************************************************/
|
3861 |
/* cpu save/restore */
|
3862 |
|
3863 |
#if defined(TARGET_I386)
|
3864 |
|
3865 |
static void cpu_put_seg(QEMUFile *f, SegmentCache *dt) |
3866 |
{ |
3867 |
qemu_put_be32(f, dt->selector); |
3868 |
qemu_put_betl(f, dt->base); |
3869 |
qemu_put_be32(f, dt->limit); |
3870 |
qemu_put_be32(f, dt->flags); |
3871 |
} |
3872 |
|
3873 |
static void cpu_get_seg(QEMUFile *f, SegmentCache *dt) |
3874 |
{ |
3875 |
dt->selector = qemu_get_be32(f); |
3876 |
dt->base = qemu_get_betl(f); |
3877 |
dt->limit = qemu_get_be32(f); |
3878 |
dt->flags = qemu_get_be32(f); |
3879 |
} |
3880 |
|
3881 |
void cpu_save(QEMUFile *f, void *opaque) |
3882 |
{ |
3883 |
CPUState *env = opaque; |
3884 |
uint16_t fptag, fpus, fpuc, fpregs_format; |
3885 |
uint32_t hflags; |
3886 |
int i;
|
3887 |
|
3888 |
for(i = 0; i < CPU_NB_REGS; i++) |
3889 |
qemu_put_betls(f, &env->regs[i]); |
3890 |
qemu_put_betls(f, &env->eip); |
3891 |
qemu_put_betls(f, &env->eflags); |
3892 |
hflags = env->hflags; /* XXX: suppress most of the redundant hflags */
|
3893 |
qemu_put_be32s(f, &hflags); |
3894 |
|
3895 |
/* FPU */
|
3896 |
fpuc = env->fpuc; |
3897 |
fpus = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11; |
3898 |
fptag = 0;
|
3899 |
for(i = 0; i < 8; i++) { |
3900 |
fptag |= ((!env->fptags[i]) << i); |
3901 |
} |
3902 |
|
3903 |
qemu_put_be16s(f, &fpuc); |
3904 |
qemu_put_be16s(f, &fpus); |
3905 |
qemu_put_be16s(f, &fptag); |
3906 |
|
3907 |
#ifdef USE_X86LDOUBLE
|
3908 |
fpregs_format = 0;
|
3909 |
#else
|
3910 |
fpregs_format = 1;
|
3911 |
#endif
|
3912 |
qemu_put_be16s(f, &fpregs_format); |
3913 |
|
3914 |
for(i = 0; i < 8; i++) { |
3915 |
#ifdef USE_X86LDOUBLE
|
3916 |
{ |
3917 |
uint64_t mant; |
3918 |
uint16_t exp; |
3919 |
/* we save the real CPU data (in case of MMX usage only 'mant'
|
3920 |
contains the MMX register */
|
3921 |
cpu_get_fp80(&mant, &exp, env->fpregs[i].d); |
3922 |
qemu_put_be64(f, mant); |
3923 |
qemu_put_be16(f, exp); |
3924 |
} |
3925 |
#else
|
3926 |
/* if we use doubles for float emulation, we save the doubles to
|
3927 |
avoid losing information in case of MMX usage. It can give
|
3928 |
problems if the image is restored on a CPU where long
|
3929 |
doubles are used instead. */
|
3930 |
qemu_put_be64(f, env->fpregs[i].mmx.MMX_Q(0));
|
3931 |
#endif
|
3932 |
} |
3933 |
|
3934 |
for(i = 0; i < 6; i++) |
3935 |
cpu_put_seg(f, &env->segs[i]); |
3936 |
cpu_put_seg(f, &env->ldt); |
3937 |
cpu_put_seg(f, &env->tr); |
3938 |
cpu_put_seg(f, &env->gdt); |
3939 |
cpu_put_seg(f, &env->idt); |
3940 |
|
3941 |
qemu_put_be32s(f, &env->sysenter_cs); |
3942 |
qemu_put_be32s(f, &env->sysenter_esp); |
3943 |
qemu_put_be32s(f, &env->sysenter_eip); |
3944 |
|
3945 |
qemu_put_betls(f, &env->cr[0]);
|
3946 |
qemu_put_betls(f, &env->cr[2]);
|
3947 |
qemu_put_betls(f, &env->cr[3]);
|
3948 |
qemu_put_betls(f, &env->cr[4]);
|
3949 |
|
3950 |
for(i = 0; i < 8; i++) |
3951 |
qemu_put_betls(f, &env->dr[i]); |
3952 |
|
3953 |
/* MMU */
|
3954 |
qemu_put_be32s(f, &env->a20_mask); |
3955 |
|
3956 |
/* XMM */
|
3957 |
qemu_put_be32s(f, &env->mxcsr); |
3958 |
for(i = 0; i < CPU_NB_REGS; i++) { |
3959 |
qemu_put_be64s(f, &env->xmm_regs[i].XMM_Q(0));
|
3960 |
qemu_put_be64s(f, &env->xmm_regs[i].XMM_Q(1));
|
3961 |
} |
3962 |
|
3963 |
#ifdef TARGET_X86_64
|
3964 |
qemu_put_be64s(f, &env->efer); |
3965 |
qemu_put_be64s(f, &env->star); |
3966 |
qemu_put_be64s(f, &env->lstar); |
3967 |
qemu_put_be64s(f, &env->cstar); |
3968 |
qemu_put_be64s(f, &env->fmask); |
3969 |
qemu_put_be64s(f, &env->kernelgsbase); |
3970 |
#endif
|
3971 |
} |
3972 |
|
3973 |
#ifdef USE_X86LDOUBLE
|
3974 |
/* XXX: add that in a FPU generic layer */
|
3975 |
union x86_longdouble {
|
3976 |
uint64_t mant; |
3977 |
uint16_t exp; |
3978 |
}; |
3979 |
|
3980 |
#define MANTD1(fp) (fp & ((1LL << 52) - 1)) |
3981 |
#define EXPBIAS1 1023 |
3982 |
#define EXPD1(fp) ((fp >> 52) & 0x7FF) |
3983 |
#define SIGND1(fp) ((fp >> 32) & 0x80000000) |
3984 |
|
3985 |
static void fp64_to_fp80(union x86_longdouble *p, uint64_t temp) |
3986 |
{ |
3987 |
int e;
|
3988 |
/* mantissa */
|
3989 |
p->mant = (MANTD1(temp) << 11) | (1LL << 63); |
3990 |
/* exponent + sign */
|
3991 |
e = EXPD1(temp) - EXPBIAS1 + 16383;
|
3992 |
e |= SIGND1(temp) >> 16;
|
3993 |
p->exp = e; |
3994 |
} |
3995 |
#endif
|
3996 |
|
3997 |
int cpu_load(QEMUFile *f, void *opaque, int version_id) |
3998 |
{ |
3999 |
CPUState *env = opaque; |
4000 |
int i, guess_mmx;
|
4001 |
uint32_t hflags; |
4002 |
uint16_t fpus, fpuc, fptag, fpregs_format; |
4003 |
|
4004 |
if (version_id != 3) |
4005 |
return -EINVAL;
|
4006 |
for(i = 0; i < CPU_NB_REGS; i++) |
4007 |
qemu_get_betls(f, &env->regs[i]); |
4008 |
qemu_get_betls(f, &env->eip); |
4009 |
qemu_get_betls(f, &env->eflags); |
4010 |
qemu_get_be32s(f, &hflags); |
4011 |
|
4012 |
qemu_get_be16s(f, &fpuc); |
4013 |
qemu_get_be16s(f, &fpus); |
4014 |
qemu_get_be16s(f, &fptag); |
4015 |
qemu_get_be16s(f, &fpregs_format); |
4016 |
|
4017 |
/* NOTE: we cannot always restore the FPU state if the image come
|
4018 |
from a host with a different 'USE_X86LDOUBLE' define. We guess
|
4019 |
if we are in an MMX state to restore correctly in that case. */
|
4020 |
guess_mmx = ((fptag == 0xff) && (fpus & 0x3800) == 0); |
4021 |
for(i = 0; i < 8; i++) { |
4022 |
uint64_t mant; |
4023 |
uint16_t exp; |
4024 |
|
4025 |
switch(fpregs_format) {
|
4026 |
case 0: |
4027 |
mant = qemu_get_be64(f); |
4028 |
exp = qemu_get_be16(f); |
4029 |
#ifdef USE_X86LDOUBLE
|
4030 |
env->fpregs[i].d = cpu_set_fp80(mant, exp); |
4031 |
#else
|
4032 |
/* difficult case */
|
4033 |
if (guess_mmx)
|
4034 |
env->fpregs[i].mmx.MMX_Q(0) = mant;
|
4035 |
else
|
4036 |
env->fpregs[i].d = cpu_set_fp80(mant, exp); |
4037 |
#endif
|
4038 |
break;
|
4039 |
case 1: |
4040 |
mant = qemu_get_be64(f); |
4041 |
#ifdef USE_X86LDOUBLE
|
4042 |
{ |
4043 |
union x86_longdouble *p;
|
4044 |
/* difficult case */
|
4045 |
p = (void *)&env->fpregs[i];
|
4046 |
if (guess_mmx) {
|
4047 |
p->mant = mant; |
4048 |
p->exp = 0xffff;
|
4049 |
} else {
|
4050 |
fp64_to_fp80(p, mant); |
4051 |
} |
4052 |
} |
4053 |
#else
|
4054 |
env->fpregs[i].mmx.MMX_Q(0) = mant;
|
4055 |
#endif
|
4056 |
break;
|
4057 |
default:
|
4058 |
return -EINVAL;
|
4059 |
} |
4060 |
} |
4061 |
|
4062 |
env->fpuc = fpuc; |
4063 |
/* XXX: restore FPU round state */
|
4064 |
env->fpstt = (fpus >> 11) & 7; |
4065 |
env->fpus = fpus & ~0x3800;
|
4066 |
fptag ^= 0xff;
|
4067 |
for(i = 0; i < 8; i++) { |
4068 |
env->fptags[i] = (fptag >> i) & 1;
|
4069 |
} |
4070 |
|
4071 |
for(i = 0; i < 6; i++) |
4072 |
cpu_get_seg(f, &env->segs[i]); |
4073 |
cpu_get_seg(f, &env->ldt); |
4074 |
cpu_get_seg(f, &env->tr); |
4075 |
cpu_get_seg(f, &env->gdt); |
4076 |
cpu_get_seg(f, &env->idt); |
4077 |
|
4078 |
qemu_get_be32s(f, &env->sysenter_cs); |
4079 |
qemu_get_be32s(f, &env->sysenter_esp); |
4080 |
qemu_get_be32s(f, &env->sysenter_eip); |
4081 |
|
4082 |
qemu_get_betls(f, &env->cr[0]);
|
4083 |
qemu_get_betls(f, &env->cr[2]);
|
4084 |
qemu_get_betls(f, &env->cr[3]);
|
4085 |
qemu_get_betls(f, &env->cr[4]);
|
4086 |
|
4087 |
for(i = 0; i < 8; i++) |
4088 |
qemu_get_betls(f, &env->dr[i]); |
4089 |
|
4090 |
/* MMU */
|
4091 |
qemu_get_be32s(f, &env->a20_mask); |
4092 |
|
4093 |
qemu_get_be32s(f, &env->mxcsr); |
4094 |
for(i = 0; i < CPU_NB_REGS; i++) { |
4095 |
qemu_get_be64s(f, &env->xmm_regs[i].XMM_Q(0));
|
4096 |
qemu_get_be64s(f, &env->xmm_regs[i].XMM_Q(1));
|
4097 |
} |
4098 |
|
4099 |
#ifdef TARGET_X86_64
|
4100 |
qemu_get_be64s(f, &env->efer); |
4101 |
qemu_get_be64s(f, &env->star); |
4102 |
qemu_get_be64s(f, &env->lstar); |
4103 |
qemu_get_be64s(f, &env->cstar); |
4104 |
qemu_get_be64s(f, &env->fmask); |
4105 |
qemu_get_be64s(f, &env->kernelgsbase); |
4106 |
#endif
|
4107 |
|
4108 |
/* XXX: compute hflags from scratch, except for CPL and IIF */
|
4109 |
env->hflags = hflags; |
4110 |
tlb_flush(env, 1);
|
4111 |
return 0; |
4112 |
} |
4113 |
|
4114 |
#elif defined(TARGET_PPC)
|
4115 |
void cpu_save(QEMUFile *f, void *opaque) |
4116 |
{ |
4117 |
} |
4118 |
|
4119 |
int cpu_load(QEMUFile *f, void *opaque, int version_id) |
4120 |
{ |
4121 |
return 0; |
4122 |
} |
4123 |
|
4124 |
#elif defined(TARGET_MIPS)
|
4125 |
void cpu_save(QEMUFile *f, void *opaque) |
4126 |
{ |
4127 |
} |
4128 |
|
4129 |
int cpu_load(QEMUFile *f, void *opaque, int version_id) |
4130 |
{ |
4131 |
return 0; |
4132 |
} |
4133 |
|
4134 |
#elif defined(TARGET_SPARC)
|
4135 |
void cpu_save(QEMUFile *f, void *opaque) |
4136 |
{ |
4137 |
CPUState *env = opaque; |
4138 |
int i;
|
4139 |
uint32_t tmp; |
4140 |
|
4141 |
for(i = 0; i < 8; i++) |
4142 |
qemu_put_betls(f, &env->gregs[i]); |
4143 |
for(i = 0; i < NWINDOWS * 16; i++) |
4144 |
qemu_put_betls(f, &env->regbase[i]); |
4145 |
|
4146 |
/* FPU */
|
4147 |
for(i = 0; i < TARGET_FPREGS; i++) { |
4148 |
union {
|
4149 |
float32 f; |
4150 |
uint32_t i; |
4151 |
} u; |
4152 |
u.f = env->fpr[i]; |
4153 |
qemu_put_be32(f, u.i); |
4154 |
} |
4155 |
|
4156 |
qemu_put_betls(f, &env->pc); |
4157 |
qemu_put_betls(f, &env->npc); |
4158 |
qemu_put_betls(f, &env->y); |
4159 |
tmp = GET_PSR(env); |
4160 |
qemu_put_be32(f, tmp); |
4161 |
qemu_put_betls(f, &env->fsr); |
4162 |
qemu_put_betls(f, &env->tbr); |
4163 |
#ifndef TARGET_SPARC64
|
4164 |
qemu_put_be32s(f, &env->wim); |
4165 |
/* MMU */
|
4166 |
for(i = 0; i < 16; i++) |
4167 |
qemu_put_be32s(f, &env->mmuregs[i]); |
4168 |
#endif
|
4169 |
} |
4170 |
|
4171 |
int cpu_load(QEMUFile *f, void *opaque, int version_id) |
4172 |
{ |
4173 |
CPUState *env = opaque; |
4174 |
int i;
|
4175 |
uint32_t tmp; |
4176 |
|
4177 |
for(i = 0; i < 8; i++) |
4178 |
qemu_get_betls(f, &env->gregs[i]); |
4179 |
for(i = 0; i < NWINDOWS * 16; i++) |
4180 |
qemu_get_betls(f, &env->regbase[i]); |
4181 |
|
4182 |
/* FPU */
|
4183 |
for(i = 0; i < TARGET_FPREGS; i++) { |
4184 |
union {
|
4185 |
float32 f; |
4186 |
uint32_t i; |
4187 |
} u; |
4188 |
u.i = qemu_get_be32(f); |
4189 |
env->fpr[i] = u.f; |
4190 |
} |
4191 |
|
4192 |
qemu_get_betls(f, &env->pc); |
4193 |
qemu_get_betls(f, &env->npc); |
4194 |
qemu_get_betls(f, &env->y); |
4195 |
tmp = qemu_get_be32(f); |
4196 |
env->cwp = 0; /* needed to ensure that the wrapping registers are |
4197 |
correctly updated */
|
4198 |
PUT_PSR(env, tmp); |
4199 |
qemu_get_betls(f, &env->fsr); |
4200 |
qemu_get_betls(f, &env->tbr); |
4201 |
#ifndef TARGET_SPARC64
|
4202 |
qemu_get_be32s(f, &env->wim); |
4203 |
/* MMU */
|
4204 |
for(i = 0; i < 16; i++) |
4205 |
qemu_get_be32s(f, &env->mmuregs[i]); |
4206 |
#endif
|
4207 |
tlb_flush(env, 1);
|
4208 |
return 0; |
4209 |
} |
4210 |
|
4211 |
#elif defined(TARGET_ARM)
|
4212 |
|
4213 |
/* ??? Need to implement these. */
|
4214 |
void cpu_save(QEMUFile *f, void *opaque) |
4215 |
{ |
4216 |
} |
4217 |
|
4218 |
int cpu_load(QEMUFile *f, void *opaque, int version_id) |
4219 |
{ |
4220 |
return 0; |
4221 |
} |
4222 |
|
4223 |
#else
|
4224 |
|
4225 |
#warning No CPU save/restore functions
|
4226 |
|
4227 |
#endif
|
4228 |
|
4229 |
/***********************************************************/
|
4230 |
/* ram save/restore */
|
4231 |
|
4232 |
/* we just avoid storing empty pages */
|
4233 |
static void ram_put_page(QEMUFile *f, const uint8_t *buf, int len) |
4234 |
{ |
4235 |
int i, v;
|
4236 |
|
4237 |
v = buf[0];
|
4238 |
for(i = 1; i < len; i++) { |
4239 |
if (buf[i] != v)
|
4240 |
goto normal_save;
|
4241 |
} |
4242 |
qemu_put_byte(f, 1);
|
4243 |
qemu_put_byte(f, v); |
4244 |
return;
|
4245 |
normal_save:
|
4246 |
qemu_put_byte(f, 0);
|
4247 |
qemu_put_buffer(f, buf, len); |
4248 |
} |
4249 |
|
4250 |
static int ram_get_page(QEMUFile *f, uint8_t *buf, int len) |
4251 |
{ |
4252 |
int v;
|
4253 |
|
4254 |
v = qemu_get_byte(f); |
4255 |
switch(v) {
|
4256 |
case 0: |
4257 |
if (qemu_get_buffer(f, buf, len) != len)
|
4258 |
return -EIO;
|
4259 |
break;
|
4260 |
case 1: |
4261 |
v = qemu_get_byte(f); |
4262 |
memset(buf, v, len); |
4263 |
break;
|
4264 |
default:
|
4265 |
return -EINVAL;
|
4266 |
} |
4267 |
return 0; |
4268 |
} |
4269 |
|
4270 |
static void ram_save(QEMUFile *f, void *opaque) |
4271 |
{ |
4272 |
int i;
|
4273 |
qemu_put_be32(f, phys_ram_size); |
4274 |
for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) { |
4275 |
ram_put_page(f, phys_ram_base + i, TARGET_PAGE_SIZE); |
4276 |
} |
4277 |
} |
4278 |
|
4279 |
static int ram_load(QEMUFile *f, void *opaque, int version_id) |
4280 |
{ |
4281 |
int i, ret;
|
4282 |
|
4283 |
if (version_id != 1) |
4284 |
return -EINVAL;
|
4285 |
if (qemu_get_be32(f) != phys_ram_size)
|
4286 |
return -EINVAL;
|
4287 |
for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) { |
4288 |
ret = ram_get_page(f, phys_ram_base + i, TARGET_PAGE_SIZE); |
4289 |
if (ret)
|
4290 |
return ret;
|
4291 |
} |
4292 |
return 0; |
4293 |
} |
4294 |
|
4295 |
/***********************************************************/
|
4296 |
/* machine registration */
|
4297 |
|
4298 |
QEMUMachine *first_machine = NULL;
|
4299 |
|
4300 |
int qemu_register_machine(QEMUMachine *m)
|
4301 |
{ |
4302 |
QEMUMachine **pm; |
4303 |
pm = &first_machine; |
4304 |
while (*pm != NULL) |
4305 |
pm = &(*pm)->next; |
4306 |
m->next = NULL;
|
4307 |
*pm = m; |
4308 |
return 0; |
4309 |
} |
4310 |
|
4311 |
QEMUMachine *find_machine(const char *name) |
4312 |
{ |
4313 |
QEMUMachine *m; |
4314 |
|
4315 |
for(m = first_machine; m != NULL; m = m->next) { |
4316 |
if (!strcmp(m->name, name))
|
4317 |
return m;
|
4318 |
} |
4319 |
return NULL; |
4320 |
} |
4321 |
|
4322 |
/***********************************************************/
|
4323 |
/* main execution loop */
|
4324 |
|
4325 |
void gui_update(void *opaque) |
4326 |
{ |
4327 |
display_state.dpy_refresh(&display_state); |
4328 |
qemu_mod_timer(gui_timer, GUI_REFRESH_INTERVAL + qemu_get_clock(rt_clock)); |
4329 |
} |
4330 |
|
4331 |
struct vm_change_state_entry {
|
4332 |
VMChangeStateHandler *cb; |
4333 |
void *opaque;
|
4334 |
LIST_ENTRY (vm_change_state_entry) entries; |
4335 |
}; |
4336 |
|
4337 |
static LIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
|
4338 |
|
4339 |
VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb, |
4340 |
void *opaque)
|
4341 |
{ |
4342 |
VMChangeStateEntry *e; |
4343 |
|
4344 |
e = qemu_mallocz(sizeof (*e));
|
4345 |
if (!e)
|
4346 |
return NULL; |
4347 |
|
4348 |
e->cb = cb; |
4349 |
e->opaque = opaque; |
4350 |
LIST_INSERT_HEAD(&vm_change_state_head, e, entries); |
4351 |
return e;
|
4352 |
} |
4353 |
|
4354 |
void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
|
4355 |
{ |
4356 |
LIST_REMOVE (e, entries); |
4357 |
qemu_free (e); |
4358 |
} |
4359 |
|
4360 |
static void vm_state_notify(int running) |
4361 |
{ |
4362 |
VMChangeStateEntry *e; |
4363 |
|
4364 |
for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
|
4365 |
e->cb(e->opaque, running); |
4366 |
} |
4367 |
} |
4368 |
|
4369 |
/* XXX: support several handlers */
|
4370 |
static VMStopHandler *vm_stop_cb;
|
4371 |
static void *vm_stop_opaque; |
4372 |
|
4373 |
int qemu_add_vm_stop_handler(VMStopHandler *cb, void *opaque) |
4374 |
{ |
4375 |
vm_stop_cb = cb; |
4376 |
vm_stop_opaque = opaque; |
4377 |
return 0; |
4378 |
} |
4379 |
|
4380 |
void qemu_del_vm_stop_handler(VMStopHandler *cb, void *opaque) |
4381 |
{ |
4382 |
vm_stop_cb = NULL;
|
4383 |
} |
4384 |
|
4385 |
void vm_start(void) |
4386 |
{ |
4387 |
if (!vm_running) {
|
4388 |
cpu_enable_ticks(); |
4389 |
vm_running = 1;
|
4390 |
vm_state_notify(1);
|
4391 |
} |
4392 |
} |
4393 |
|
4394 |
void vm_stop(int reason) |
4395 |
{ |
4396 |
if (vm_running) {
|
4397 |
cpu_disable_ticks(); |
4398 |
vm_running = 0;
|
4399 |
if (reason != 0) { |
4400 |
if (vm_stop_cb) {
|
4401 |
vm_stop_cb(vm_stop_opaque, reason); |
4402 |
} |
4403 |
} |
4404 |
vm_state_notify(0);
|
4405 |
} |
4406 |
} |
4407 |
|
4408 |
/* reset/shutdown handler */
|
4409 |
|
4410 |
typedef struct QEMUResetEntry { |
4411 |
QEMUResetHandler *func; |
4412 |
void *opaque;
|
4413 |
struct QEMUResetEntry *next;
|
4414 |
} QEMUResetEntry; |
4415 |
|
4416 |
static QEMUResetEntry *first_reset_entry;
|
4417 |
static int reset_requested; |
4418 |
static int shutdown_requested; |
4419 |
static int powerdown_requested; |
4420 |
|
4421 |
void qemu_register_reset(QEMUResetHandler *func, void *opaque) |
4422 |
{ |
4423 |
QEMUResetEntry **pre, *re; |
4424 |
|
4425 |
pre = &first_reset_entry; |
4426 |
while (*pre != NULL) |
4427 |
pre = &(*pre)->next; |
4428 |
re = qemu_mallocz(sizeof(QEMUResetEntry));
|
4429 |
re->func = func; |
4430 |
re->opaque = opaque; |
4431 |
re->next = NULL;
|
4432 |
*pre = re; |
4433 |
} |
4434 |
|
4435 |
void qemu_system_reset(void) |
4436 |
{ |
4437 |
QEMUResetEntry *re; |
4438 |
|
4439 |
/* reset all devices */
|
4440 |
for(re = first_reset_entry; re != NULL; re = re->next) { |
4441 |
re->func(re->opaque); |
4442 |
} |
4443 |
} |
4444 |
|
4445 |
void qemu_system_reset_request(void) |
4446 |
{ |
4447 |
reset_requested = 1;
|
4448 |
if (cpu_single_env)
|
4449 |
cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); |
4450 |
} |
4451 |
|
4452 |
void qemu_system_shutdown_request(void) |
4453 |
{ |
4454 |
shutdown_requested = 1;
|
4455 |
if (cpu_single_env)
|
4456 |
cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); |
4457 |
} |
4458 |
|
4459 |
void qemu_system_powerdown_request(void) |
4460 |
{ |
4461 |
powerdown_requested = 1;
|
4462 |
if (cpu_single_env)
|
4463 |
cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); |
4464 |
} |
4465 |
|
4466 |
void main_loop_wait(int timeout) |
4467 |
{ |
4468 |
IOHandlerRecord *ioh, *ioh_next; |
4469 |
fd_set rfds, wfds, xfds; |
4470 |
int ret, nfds;
|
4471 |
struct timeval tv;
|
4472 |
PollingEntry *pe; |
4473 |
|
4474 |
|
4475 |
/* XXX: need to suppress polling by better using win32 events */
|
4476 |
ret = 0;
|
4477 |
for(pe = first_polling_entry; pe != NULL; pe = pe->next) { |
4478 |
ret |= pe->func(pe->opaque); |
4479 |
} |
4480 |
#ifdef _WIN32
|
4481 |
if (ret == 0 && timeout > 0) { |
4482 |
int err;
|
4483 |
HANDLE hEvents[1];
|
4484 |
|
4485 |
hEvents[0] = host_alarm;
|
4486 |
ret = WaitForMultipleObjects(1, hEvents, FALSE, timeout);
|
4487 |
switch(ret) {
|
4488 |
case WAIT_OBJECT_0 + 0: |
4489 |
break;
|
4490 |
case WAIT_TIMEOUT:
|
4491 |
break;
|
4492 |
default:
|
4493 |
err = GetLastError(); |
4494 |
fprintf(stderr, "Wait error %d %d\n", ret, err);
|
4495 |
break;
|
4496 |
} |
4497 |
} |
4498 |
#endif
|
4499 |
/* poll any events */
|
4500 |
/* XXX: separate device handlers from system ones */
|
4501 |
nfds = -1;
|
4502 |
FD_ZERO(&rfds); |
4503 |
FD_ZERO(&wfds); |
4504 |
FD_ZERO(&xfds); |
4505 |
for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { |
4506 |
if (ioh->fd_read &&
|
4507 |
(!ioh->fd_read_poll || |
4508 |
ioh->fd_read_poll(ioh->opaque) != 0)) {
|
4509 |
FD_SET(ioh->fd, &rfds); |
4510 |
if (ioh->fd > nfds)
|
4511 |
nfds = ioh->fd; |
4512 |
} |
4513 |
if (ioh->fd_write) {
|
4514 |
FD_SET(ioh->fd, &wfds); |
4515 |
if (ioh->fd > nfds)
|
4516 |
nfds = ioh->fd; |
4517 |
} |
4518 |
} |
4519 |
|
4520 |
tv.tv_sec = 0;
|
4521 |
#ifdef _WIN32
|
4522 |
tv.tv_usec = 0;
|
4523 |
#else
|
4524 |
tv.tv_usec = timeout * 1000;
|
4525 |
#endif
|
4526 |
#if defined(CONFIG_SLIRP)
|
4527 |
if (slirp_inited) {
|
4528 |
slirp_select_fill(&nfds, &rfds, &wfds, &xfds); |
4529 |
} |
4530 |
#endif
|
4531 |
ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
|
4532 |
if (ret > 0) { |
4533 |
/* XXX: better handling of removal */
|
4534 |
for(ioh = first_io_handler; ioh != NULL; ioh = ioh_next) { |
4535 |
ioh_next = ioh->next; |
4536 |
if (FD_ISSET(ioh->fd, &rfds)) {
|
4537 |
ioh->fd_read(ioh->opaque); |
4538 |
} |
4539 |
if (FD_ISSET(ioh->fd, &wfds)) {
|
4540 |
ioh->fd_write(ioh->opaque); |
4541 |
} |
4542 |
} |
4543 |
} |
4544 |
#if defined(CONFIG_SLIRP)
|
4545 |
if (slirp_inited) {
|
4546 |
if (ret < 0) { |
4547 |
FD_ZERO(&rfds); |
4548 |
FD_ZERO(&wfds); |
4549 |
FD_ZERO(&xfds); |
4550 |
} |
4551 |
slirp_select_poll(&rfds, &wfds, &xfds); |
4552 |
} |
4553 |
#endif
|
4554 |
#ifdef _WIN32
|
4555 |
tap_win32_poll(); |
4556 |
#endif
|
4557 |
|
4558 |
if (vm_running) {
|
4559 |
qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL], |
4560 |
qemu_get_clock(vm_clock)); |
4561 |
/* run dma transfers, if any */
|
4562 |
DMA_run(); |
4563 |
} |
4564 |
|
4565 |
/* real time timers */
|
4566 |
qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME], |
4567 |
qemu_get_clock(rt_clock)); |
4568 |
} |
4569 |
|
4570 |
static CPUState *cur_cpu;
|
4571 |
|
4572 |
int main_loop(void) |
4573 |
{ |
4574 |
int ret, timeout;
|
4575 |
#ifdef CONFIG_PROFILER
|
4576 |
int64_t ti; |
4577 |
#endif
|
4578 |
CPUState *env; |
4579 |
|
4580 |
cur_cpu = first_cpu; |
4581 |
for(;;) {
|
4582 |
if (vm_running) {
|
4583 |
|
4584 |
env = cur_cpu; |
4585 |
for(;;) {
|
4586 |
/* get next cpu */
|
4587 |
env = env->next_cpu; |
4588 |
if (!env)
|
4589 |
env = first_cpu; |
4590 |
#ifdef CONFIG_PROFILER
|
4591 |
ti = profile_getclock(); |
4592 |
#endif
|
4593 |
ret = cpu_exec(env); |
4594 |
#ifdef CONFIG_PROFILER
|
4595 |
qemu_time += profile_getclock() - ti; |
4596 |
#endif
|
4597 |
if (ret != EXCP_HALTED)
|
4598 |
break;
|
4599 |
/* all CPUs are halted ? */
|
4600 |
if (env == cur_cpu) {
|
4601 |
ret = EXCP_HLT; |
4602 |
break;
|
4603 |
} |
4604 |
} |
4605 |
cur_cpu = env; |
4606 |
|
4607 |
if (shutdown_requested) {
|
4608 |
ret = EXCP_INTERRUPT; |
4609 |
break;
|
4610 |
} |
4611 |
if (reset_requested) {
|
4612 |
reset_requested = 0;
|
4613 |
qemu_system_reset(); |
4614 |
ret = EXCP_INTERRUPT; |
4615 |
} |
4616 |
if (powerdown_requested) {
|
4617 |
powerdown_requested = 0;
|
4618 |
qemu_system_powerdown(); |
4619 |
ret = EXCP_INTERRUPT; |
4620 |
} |
4621 |
if (ret == EXCP_DEBUG) {
|
4622 |
vm_stop(EXCP_DEBUG); |
4623 |
} |
4624 |
/* if hlt instruction, we wait until the next IRQ */
|
4625 |
/* XXX: use timeout computed from timers */
|
4626 |
if (ret == EXCP_HLT)
|
4627 |
timeout = 10;
|
4628 |
else
|
4629 |
timeout = 0;
|
4630 |
} else {
|
4631 |
timeout = 10;
|
4632 |
} |
4633 |
#ifdef CONFIG_PROFILER
|
4634 |
ti = profile_getclock(); |
4635 |
#endif
|
4636 |
main_loop_wait(timeout); |
4637 |
#ifdef CONFIG_PROFILER
|
4638 |
dev_time += profile_getclock() - ti; |
4639 |
#endif
|
4640 |
} |
4641 |
cpu_disable_ticks(); |
4642 |
return ret;
|
4643 |
} |
4644 |
|
4645 |
void help(void) |
4646 |
{ |
4647 |
printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003-2005 Fabrice Bellard\n" |
4648 |
"usage: %s [options] [disk_image]\n"
|
4649 |
"\n"
|
4650 |
"'disk_image' is a raw hard image image for IDE hard disk 0\n"
|
4651 |
"\n"
|
4652 |
"Standard options:\n"
|
4653 |
"-M machine select emulated machine (-M ? for list)\n"
|
4654 |
"-fda/-fdb file use 'file' as floppy disk 0/1 image\n"
|
4655 |
"-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n"
|
4656 |
"-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n"
|
4657 |
"-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n"
|
4658 |
"-boot [a|c|d] boot on floppy (a), hard disk (c) or CD-ROM (d)\n"
|
4659 |
"-snapshot write to temporary files instead of disk image files\n"
|
4660 |
#ifdef TARGET_I386
|
4661 |
"-no-fd-bootchk disable boot signature checking for floppy disks\n"
|
4662 |
#endif
|
4663 |
"-m megs set virtual RAM size to megs MB [default=%d]\n"
|
4664 |
"-smp n set the number of CPUs to 'n' [default=1]\n"
|
4665 |
"-nographic disable graphical output and redirect serial I/Os to console\n"
|
4666 |
#ifndef _WIN32
|
4667 |
"-k language use keyboard layout (for example \"fr\" for French)\n"
|
4668 |
#endif
|
4669 |
#ifdef HAS_AUDIO
|
4670 |
"-audio-help print list of audio drivers and their options\n"
|
4671 |
"-soundhw c1,... enable audio support\n"
|
4672 |
" and only specified sound cards (comma separated list)\n"
|
4673 |
" use -soundhw ? to get the list of supported cards\n"
|
4674 |
" use -soundhw all to enable all of them\n"
|
4675 |
#endif
|
4676 |
"-localtime set the real time clock to local time [default=utc]\n"
|
4677 |
"-full-screen start in full screen\n"
|
4678 |
#ifdef TARGET_I386
|
4679 |
"-win2k-hack use it when installing Windows 2000 to avoid a disk full bug\n"
|
4680 |
#endif
|
4681 |
"-usb enable the USB driver (will be the default soon)\n"
|
4682 |
"-usbdevice name add the host or guest USB device 'name'\n"
|
4683 |
#if defined(TARGET_PPC) || defined(TARGET_SPARC)
|
4684 |
"-g WxH[xDEPTH] Set the initial graphical resolution and depth\n"
|
4685 |
#endif
|
4686 |
"\n"
|
4687 |
"Network options:\n"
|
4688 |
"-net nic[,vlan=n][,macaddr=addr][,model=type]\n"
|
4689 |
" create a new Network Interface Card and connect it to VLAN 'n'\n"
|
4690 |
#ifdef CONFIG_SLIRP
|
4691 |
"-net user[,vlan=n][,hostname=host]\n"
|
4692 |
" connect the user mode network stack to VLAN 'n' and send\n"
|
4693 |
" hostname 'host' to DHCP clients\n"
|
4694 |
#endif
|
4695 |
#ifdef _WIN32
|
4696 |
"-net tap[,vlan=n],ifname=name\n"
|
4697 |
" connect the host TAP network interface to VLAN 'n'\n"
|
4698 |
#else
|
4699 |
"-net tap[,vlan=n][,fd=h][,ifname=name][,script=file]\n"
|
4700 |
" connect the host TAP network interface to VLAN 'n' and use\n"
|
4701 |
" the network script 'file' (default=%s);\n"
|
4702 |
" use 'fd=h' to connect to an already opened TAP interface\n"
|
4703 |
#endif
|
4704 |
"-net socket[,vlan=n][,fd=h][,listen=[host]:port][,connect=host:port]\n"
|
4705 |
" connect the vlan 'n' to another VLAN using a socket connection\n"
|
4706 |
"-net socket[,vlan=n][,fd=h][,mcast=maddr:port]\n"
|
4707 |
" connect the vlan 'n' to multicast maddr and port\n"
|
4708 |
"-net none use it alone to have zero network devices; if no -net option\n"
|
4709 |
" is provided, the default is '-net nic -net user'\n"
|
4710 |
"\n"
|
4711 |
#ifdef CONFIG_SLIRP
|
4712 |
"-tftp prefix allow tftp access to files starting with prefix [-net user]\n"
|
4713 |
#ifndef _WIN32
|
4714 |
"-smb dir allow SMB access to files in 'dir' [-net user]\n"
|
4715 |
#endif
|
4716 |
"-redir [tcp|udp]:host-port:[guest-host]:guest-port\n"
|
4717 |
" redirect TCP or UDP connections from host to guest [-net user]\n"
|
4718 |
#endif
|
4719 |
"\n"
|
4720 |
"Linux boot specific:\n"
|
4721 |
"-kernel bzImage use 'bzImage' as kernel image\n"
|
4722 |
"-append cmdline use 'cmdline' as kernel command line\n"
|
4723 |
"-initrd file use 'file' as initial ram disk\n"
|
4724 |
"\n"
|
4725 |
"Debug/Expert options:\n"
|
4726 |
"-monitor dev redirect the monitor to char device 'dev'\n"
|
4727 |
"-serial dev redirect the serial port to char device 'dev'\n"
|
4728 |
"-parallel dev redirect the parallel port to char device 'dev'\n"
|
4729 |
"-pidfile file Write PID to 'file'\n"
|
4730 |
"-S freeze CPU at startup (use 'c' to start execution)\n"
|
4731 |
"-s wait gdb connection to port %d\n"
|
4732 |
"-p port change gdb connection port\n"
|
4733 |
"-d item1,... output log to %s (use -d ? for a list of log items)\n"
|
4734 |
"-hdachs c,h,s[,t] force hard disk 0 physical geometry and the optional BIOS\n"
|
4735 |
" translation (t=none or lba) (usually qemu can guess them)\n"
|
4736 |
"-L path set the directory for the BIOS and VGA BIOS\n"
|
4737 |
#ifdef USE_KQEMU
|
4738 |
"-kernel-kqemu enable KQEMU full virtualization (default is user mode only)\n"
|
4739 |
"-no-kqemu disable KQEMU kernel module usage\n"
|
4740 |
#endif
|
4741 |
#ifdef USE_CODE_COPY
|
4742 |
"-no-code-copy disable code copy acceleration\n"
|
4743 |
#endif
|
4744 |
#ifdef TARGET_I386
|
4745 |
"-std-vga simulate a standard VGA card with VESA Bochs Extensions\n"
|
4746 |
" (default is CL-GD5446 PCI VGA)\n"
|
4747 |
"-no-acpi disable ACPI\n"
|
4748 |
#endif
|
4749 |
"-loadvm file start right away with a saved state (loadvm in monitor)\n"
|
4750 |
"-vnc display start a VNC server on display\n"
|
4751 |
"\n"
|
4752 |
"During emulation, the following keys are useful:\n"
|
4753 |
"ctrl-alt-f toggle full screen\n"
|
4754 |
"ctrl-alt-n switch to virtual console 'n'\n"
|
4755 |
"ctrl-alt toggle mouse and keyboard grab\n"
|
4756 |
"\n"
|
4757 |
"When using -nographic, press 'ctrl-a h' to get some help.\n"
|
4758 |
, |
4759 |
#ifdef CONFIG_SOFTMMU
|
4760 |
"qemu",
|
4761 |
#else
|
4762 |
"qemu-fast",
|
4763 |
#endif
|
4764 |
DEFAULT_RAM_SIZE, |
4765 |
#ifndef _WIN32
|
4766 |
DEFAULT_NETWORK_SCRIPT, |
4767 |
#endif
|
4768 |
DEFAULT_GDBSTUB_PORT, |
4769 |
"/tmp/qemu.log");
|
4770 |
#ifndef CONFIG_SOFTMMU
|
4771 |
printf("\n"
|
4772 |
"NOTE: this version of QEMU is faster but it needs slightly patched OSes to\n"
|
4773 |
"work. Please use the 'qemu' executable to have a more accurate (but slower)\n"
|
4774 |
"PC emulation.\n");
|
4775 |
#endif
|
4776 |
exit(1);
|
4777 |
} |
4778 |
|
4779 |
#define HAS_ARG 0x0001 |
4780 |
|
4781 |
enum {
|
4782 |
QEMU_OPTION_h, |
4783 |
|
4784 |
QEMU_OPTION_M, |
4785 |
QEMU_OPTION_fda, |
4786 |
QEMU_OPTION_fdb, |
4787 |
QEMU_OPTION_hda, |
4788 |
QEMU_OPTION_hdb, |
4789 |
QEMU_OPTION_hdc, |
4790 |
QEMU_OPTION_hdd, |
4791 |
QEMU_OPTION_cdrom, |
4792 |
QEMU_OPTION_boot, |
4793 |
QEMU_OPTION_snapshot, |
4794 |
#ifdef TARGET_I386
|
4795 |
QEMU_OPTION_no_fd_bootchk, |
4796 |
#endif
|
4797 |
QEMU_OPTION_m, |
4798 |
QEMU_OPTION_nographic, |
4799 |
#ifdef HAS_AUDIO
|
4800 |
QEMU_OPTION_audio_help, |
4801 |
QEMU_OPTION_soundhw, |
4802 |
#endif
|
4803 |
|
4804 |
QEMU_OPTION_net, |
4805 |
QEMU_OPTION_tftp, |
4806 |
QEMU_OPTION_smb, |
4807 |
QEMU_OPTION_redir, |
4808 |
|
4809 |
QEMU_OPTION_kernel, |
4810 |
QEMU_OPTION_append, |
4811 |
QEMU_OPTION_initrd, |
4812 |
|
4813 |
QEMU_OPTION_S, |
4814 |
QEMU_OPTION_s, |
4815 |
QEMU_OPTION_p, |
4816 |
QEMU_OPTION_d, |
4817 |
QEMU_OPTION_hdachs, |
4818 |
QEMU_OPTION_L, |
4819 |
QEMU_OPTION_no_code_copy, |
4820 |
QEMU_OPTION_k, |
4821 |
QEMU_OPTION_localtime, |
4822 |
QEMU_OPTION_cirrusvga, |
4823 |
QEMU_OPTION_g, |
4824 |
QEMU_OPTION_std_vga, |
4825 |
QEMU_OPTION_monitor, |
4826 |
QEMU_OPTION_serial, |
4827 |
QEMU_OPTION_parallel, |
4828 |
QEMU_OPTION_loadvm, |
4829 |
QEMU_OPTION_full_screen, |
4830 |
QEMU_OPTION_pidfile, |
4831 |
QEMU_OPTION_no_kqemu, |
4832 |
QEMU_OPTION_kernel_kqemu, |
4833 |
QEMU_OPTION_win2k_hack, |
4834 |
QEMU_OPTION_usb, |
4835 |
QEMU_OPTION_usbdevice, |
4836 |
QEMU_OPTION_smp, |
4837 |
QEMU_OPTION_vnc, |
4838 |
QEMU_OPTION_no_acpi, |
4839 |
}; |
4840 |
|
4841 |
typedef struct QEMUOption { |
4842 |
const char *name; |
4843 |
int flags;
|
4844 |
int index;
|
4845 |
} QEMUOption; |
4846 |
|
4847 |
const QEMUOption qemu_options[] = {
|
4848 |
{ "h", 0, QEMU_OPTION_h }, |
4849 |
|
4850 |
{ "M", HAS_ARG, QEMU_OPTION_M },
|
4851 |
{ "fda", HAS_ARG, QEMU_OPTION_fda },
|
4852 |
{ "fdb", HAS_ARG, QEMU_OPTION_fdb },
|
4853 |
{ "hda", HAS_ARG, QEMU_OPTION_hda },
|
4854 |
{ "hdb", HAS_ARG, QEMU_OPTION_hdb },
|
4855 |
{ "hdc", HAS_ARG, QEMU_OPTION_hdc },
|
4856 |
{ "hdd", HAS_ARG, QEMU_OPTION_hdd },
|
4857 |
{ "cdrom", HAS_ARG, QEMU_OPTION_cdrom },
|
4858 |
{ "boot", HAS_ARG, QEMU_OPTION_boot },
|
4859 |
{ "snapshot", 0, QEMU_OPTION_snapshot }, |
4860 |
#ifdef TARGET_I386
|
4861 |
{ "no-fd-bootchk", 0, QEMU_OPTION_no_fd_bootchk }, |
4862 |
#endif
|
4863 |
{ "m", HAS_ARG, QEMU_OPTION_m },
|
4864 |
{ "nographic", 0, QEMU_OPTION_nographic }, |
4865 |
{ "k", HAS_ARG, QEMU_OPTION_k },
|
4866 |
#ifdef HAS_AUDIO
|
4867 |
{ "audio-help", 0, QEMU_OPTION_audio_help }, |
4868 |
{ "soundhw", HAS_ARG, QEMU_OPTION_soundhw },
|
4869 |
#endif
|
4870 |
|
4871 |
{ "net", HAS_ARG, QEMU_OPTION_net},
|
4872 |
#ifdef CONFIG_SLIRP
|
4873 |
{ "tftp", HAS_ARG, QEMU_OPTION_tftp },
|
4874 |
#ifndef _WIN32
|
4875 |
{ "smb", HAS_ARG, QEMU_OPTION_smb },
|
4876 |
#endif
|
4877 |
{ "redir", HAS_ARG, QEMU_OPTION_redir },
|
4878 |
#endif
|
4879 |
|
4880 |
{ "kernel", HAS_ARG, QEMU_OPTION_kernel },
|
4881 |
{ "append", HAS_ARG, QEMU_OPTION_append },
|
4882 |
{ "initrd", HAS_ARG, QEMU_OPTION_initrd },
|
4883 |
|
4884 |
{ "S", 0, QEMU_OPTION_S }, |
4885 |
{ "s", 0, QEMU_OPTION_s }, |
4886 |
{ "p", HAS_ARG, QEMU_OPTION_p },
|
4887 |
{ "d", HAS_ARG, QEMU_OPTION_d },
|
4888 |
{ "hdachs", HAS_ARG, QEMU_OPTION_hdachs },
|
4889 |
{ "L", HAS_ARG, QEMU_OPTION_L },
|
4890 |
{ "no-code-copy", 0, QEMU_OPTION_no_code_copy }, |
4891 |
#ifdef USE_KQEMU
|
4892 |
{ "no-kqemu", 0, QEMU_OPTION_no_kqemu }, |
4893 |
{ "kernel-kqemu", 0, QEMU_OPTION_kernel_kqemu }, |
4894 |
#endif
|
4895 |
#if defined(TARGET_PPC) || defined(TARGET_SPARC)
|
4896 |
{ "g", 1, QEMU_OPTION_g }, |
4897 |
#endif
|
4898 |
{ "localtime", 0, QEMU_OPTION_localtime }, |
4899 |
{ "std-vga", 0, QEMU_OPTION_std_vga }, |
4900 |
{ "monitor", 1, QEMU_OPTION_monitor }, |
4901 |
{ "serial", 1, QEMU_OPTION_serial }, |
4902 |
{ "parallel", 1, QEMU_OPTION_parallel }, |
4903 |
{ "loadvm", HAS_ARG, QEMU_OPTION_loadvm },
|
4904 |
{ "full-screen", 0, QEMU_OPTION_full_screen }, |
4905 |
{ "pidfile", HAS_ARG, QEMU_OPTION_pidfile },
|
4906 |
{ "win2k-hack", 0, QEMU_OPTION_win2k_hack }, |
4907 |
{ "usbdevice", HAS_ARG, QEMU_OPTION_usbdevice },
|
4908 |
{ "smp", HAS_ARG, QEMU_OPTION_smp },
|
4909 |
{ "vnc", HAS_ARG, QEMU_OPTION_vnc },
|
4910 |
|
4911 |
/* temporary options */
|
4912 |
{ "usb", 0, QEMU_OPTION_usb }, |
4913 |
{ "cirrusvga", 0, QEMU_OPTION_cirrusvga }, |
4914 |
{ "no-acpi", 0, QEMU_OPTION_no_acpi }, |
4915 |
{ NULL },
|
4916 |
}; |
4917 |
|
4918 |
#if defined (TARGET_I386) && defined(USE_CODE_COPY)
|
4919 |
|
4920 |
/* this stack is only used during signal handling */
|
4921 |
#define SIGNAL_STACK_SIZE 32768 |
4922 |
|
4923 |
static uint8_t *signal_stack;
|
4924 |
|
4925 |
#endif
|
4926 |
|
4927 |
/* password input */
|
4928 |
|
4929 |
static BlockDriverState *get_bdrv(int index) |
4930 |
{ |
4931 |
BlockDriverState *bs; |
4932 |
|
4933 |
if (index < 4) { |
4934 |
bs = bs_table[index]; |
4935 |
} else if (index < 6) { |
4936 |
bs = fd_table[index - 4];
|
4937 |
} else {
|
4938 |
bs = NULL;
|
4939 |
} |
4940 |
return bs;
|
4941 |
} |
4942 |
|
4943 |
static void read_passwords(void) |
4944 |
{ |
4945 |
BlockDriverState *bs; |
4946 |
int i, j;
|
4947 |
char password[256]; |
4948 |
|
4949 |
for(i = 0; i < 6; i++) { |
4950 |
bs = get_bdrv(i); |
4951 |
if (bs && bdrv_is_encrypted(bs)) {
|
4952 |
term_printf("%s is encrypted.\n", bdrv_get_device_name(bs));
|
4953 |
for(j = 0; j < 3; j++) { |
4954 |
monitor_readline("Password: ",
|
4955 |
1, password, sizeof(password)); |
4956 |
if (bdrv_set_key(bs, password) == 0) |
4957 |
break;
|
4958 |
term_printf("invalid password\n");
|
4959 |
} |
4960 |
} |
4961 |
} |
4962 |
} |
4963 |
|
4964 |
/* XXX: currently we cannot use simultaneously different CPUs */
|
4965 |
void register_machines(void) |
4966 |
{ |
4967 |
#if defined(TARGET_I386)
|
4968 |
qemu_register_machine(&pc_machine); |
4969 |
qemu_register_machine(&isapc_machine); |
4970 |
#elif defined(TARGET_PPC)
|
4971 |
qemu_register_machine(&heathrow_machine); |
4972 |
qemu_register_machine(&core99_machine); |
4973 |
qemu_register_machine(&prep_machine); |
4974 |
#elif defined(TARGET_MIPS)
|
4975 |
qemu_register_machine(&mips_machine); |
4976 |
#elif defined(TARGET_SPARC)
|
4977 |
#ifdef TARGET_SPARC64
|
4978 |
qemu_register_machine(&sun4u_machine); |
4979 |
#else
|
4980 |
qemu_register_machine(&sun4m_machine); |
4981 |
#endif
|
4982 |
#elif defined(TARGET_ARM)
|
4983 |
qemu_register_machine(&integratorcp926_machine); |
4984 |
qemu_register_machine(&integratorcp1026_machine); |
4985 |
qemu_register_machine(&versatilepb_machine); |
4986 |
qemu_register_machine(&versatileab_machine); |
4987 |
#elif defined(TARGET_SH4)
|
4988 |
qemu_register_machine(&shix_machine); |
4989 |
#else
|
4990 |
#error unsupported CPU
|
4991 |
#endif
|
4992 |
} |
4993 |
|
4994 |
#ifdef HAS_AUDIO
|
4995 |
struct soundhw soundhw[] = {
|
4996 |
#ifdef TARGET_I386
|
4997 |
{ |
4998 |
"pcspk",
|
4999 |
"PC speaker",
|
5000 |
0,
|
5001 |
1,
|
5002 |
{ .init_isa = pcspk_audio_init } |
5003 |
}, |
5004 |
#endif
|
5005 |
{ |
5006 |
"sb16",
|
5007 |
"Creative Sound Blaster 16",
|
5008 |
0,
|
5009 |
1,
|
5010 |
{ .init_isa = SB16_init } |
5011 |
}, |
5012 |
|
5013 |
#ifdef CONFIG_ADLIB
|
5014 |
{ |
5015 |
"adlib",
|
5016 |
#ifdef HAS_YMF262
|
5017 |
"Yamaha YMF262 (OPL3)",
|
5018 |
#else
|
5019 |
"Yamaha YM3812 (OPL2)",
|
5020 |
#endif
|
5021 |
0,
|
5022 |
1,
|
5023 |
{ .init_isa = Adlib_init } |
5024 |
}, |
5025 |
#endif
|
5026 |
|
5027 |
#ifdef CONFIG_GUS
|
5028 |
{ |
5029 |
"gus",
|
5030 |
"Gravis Ultrasound GF1",
|
5031 |
0,
|
5032 |
1,
|
5033 |
{ .init_isa = GUS_init } |
5034 |
}, |
5035 |
#endif
|
5036 |
|
5037 |
{ |
5038 |
"es1370",
|
5039 |
"ENSONIQ AudioPCI ES1370",
|
5040 |
0,
|
5041 |
0,
|
5042 |
{ .init_pci = es1370_init } |
5043 |
}, |
5044 |
|
5045 |
{ NULL, NULL, 0, 0, { NULL } } |
5046 |
}; |
5047 |
|
5048 |
static void select_soundhw (const char *optarg) |
5049 |
{ |
5050 |
struct soundhw *c;
|
5051 |
|
5052 |
if (*optarg == '?') { |
5053 |
show_valid_cards:
|
5054 |
|
5055 |
printf ("Valid sound card names (comma separated):\n");
|
5056 |
for (c = soundhw; c->name; ++c) {
|
5057 |
printf ("%-11s %s\n", c->name, c->descr);
|
5058 |
} |
5059 |
printf ("\n-soundhw all will enable all of the above\n");
|
5060 |
exit (*optarg != '?');
|
5061 |
} |
5062 |
else {
|
5063 |
size_t l; |
5064 |
const char *p; |
5065 |
char *e;
|
5066 |
int bad_card = 0; |
5067 |
|
5068 |
if (!strcmp (optarg, "all")) { |
5069 |
for (c = soundhw; c->name; ++c) {
|
5070 |
c->enabled = 1;
|
5071 |
} |
5072 |
return;
|
5073 |
} |
5074 |
|
5075 |
p = optarg; |
5076 |
while (*p) {
|
5077 |
e = strchr (p, ',');
|
5078 |
l = !e ? strlen (p) : (size_t) (e - p); |
5079 |
|
5080 |
for (c = soundhw; c->name; ++c) {
|
5081 |
if (!strncmp (c->name, p, l)) {
|
5082 |
c->enabled = 1;
|
5083 |
break;
|
5084 |
} |
5085 |
} |
5086 |
|
5087 |
if (!c->name) {
|
5088 |
if (l > 80) { |
5089 |
fprintf (stderr, |
5090 |
"Unknown sound card name (too big to show)\n");
|
5091 |
} |
5092 |
else {
|
5093 |
fprintf (stderr, "Unknown sound card name `%.*s'\n",
|
5094 |
(int) l, p);
|
5095 |
} |
5096 |
bad_card = 1;
|
5097 |
} |
5098 |
p += l + (e != NULL);
|
5099 |
} |
5100 |
|
5101 |
if (bad_card)
|
5102 |
goto show_valid_cards;
|
5103 |
} |
5104 |
} |
5105 |
#endif
|
5106 |
|
5107 |
#define MAX_NET_CLIENTS 32 |
5108 |
|
5109 |
int main(int argc, char **argv) |
5110 |
{ |
5111 |
#ifdef CONFIG_GDBSTUB
|
5112 |
int use_gdbstub, gdbstub_port;
|
5113 |
#endif
|
5114 |
int i, cdrom_index;
|
5115 |
int snapshot, linux_boot;
|
5116 |
const char *initrd_filename; |
5117 |
const char *hd_filename[MAX_DISKS], *fd_filename[MAX_FD]; |
5118 |
const char *kernel_filename, *kernel_cmdline; |
5119 |
DisplayState *ds = &display_state; |
5120 |
int cyls, heads, secs, translation;
|
5121 |
int start_emulation = 1; |
5122 |
char net_clients[MAX_NET_CLIENTS][256]; |
5123 |
int nb_net_clients;
|
5124 |
int optind;
|
5125 |
const char *r, *optarg; |
5126 |
CharDriverState *monitor_hd; |
5127 |
char monitor_device[128]; |
5128 |
char serial_devices[MAX_SERIAL_PORTS][128]; |
5129 |
int serial_device_index;
|
5130 |
char parallel_devices[MAX_PARALLEL_PORTS][128]; |
5131 |
int parallel_device_index;
|
5132 |
const char *loadvm = NULL; |
5133 |
QEMUMachine *machine; |
5134 |
char usb_devices[MAX_USB_CMDLINE][128]; |
5135 |
int usb_devices_index;
|
5136 |
|
5137 |
LIST_INIT (&vm_change_state_head); |
5138 |
#if !defined(CONFIG_SOFTMMU)
|
5139 |
/* we never want that malloc() uses mmap() */
|
5140 |
mallopt(M_MMAP_THRESHOLD, 4096 * 1024); |
5141 |
#endif
|
5142 |
register_machines(); |
5143 |
machine = first_machine; |
5144 |
initrd_filename = NULL;
|
5145 |
for(i = 0; i < MAX_FD; i++) |
5146 |
fd_filename[i] = NULL;
|
5147 |
for(i = 0; i < MAX_DISKS; i++) |
5148 |
hd_filename[i] = NULL;
|
5149 |
ram_size = DEFAULT_RAM_SIZE * 1024 * 1024; |
5150 |
vga_ram_size = VGA_RAM_SIZE; |
5151 |
bios_size = BIOS_SIZE; |
5152 |
#ifdef CONFIG_GDBSTUB
|
5153 |
use_gdbstub = 0;
|
5154 |
gdbstub_port = DEFAULT_GDBSTUB_PORT; |
5155 |
#endif
|
5156 |
snapshot = 0;
|
5157 |
nographic = 0;
|
5158 |
kernel_filename = NULL;
|
5159 |
kernel_cmdline = "";
|
5160 |
#ifdef TARGET_PPC
|
5161 |
cdrom_index = 1;
|
5162 |
#else
|
5163 |
cdrom_index = 2;
|
5164 |
#endif
|
5165 |
cyls = heads = secs = 0;
|
5166 |
translation = BIOS_ATA_TRANSLATION_AUTO; |
5167 |
pstrcpy(monitor_device, sizeof(monitor_device), "vc"); |
5168 |
|
5169 |
pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "vc"); |
5170 |
for(i = 1; i < MAX_SERIAL_PORTS; i++) |
5171 |
serial_devices[i][0] = '\0'; |
5172 |
serial_device_index = 0;
|
5173 |
|
5174 |
pstrcpy(parallel_devices[0], sizeof(parallel_devices[0]), "vc"); |
5175 |
for(i = 1; i < MAX_PARALLEL_PORTS; i++) |
5176 |
parallel_devices[i][0] = '\0'; |
5177 |
parallel_device_index = 0;
|
5178 |
|
5179 |
usb_devices_index = 0;
|
5180 |
|
5181 |
nb_net_clients = 0;
|
5182 |
|
5183 |
nb_nics = 0;
|
5184 |
/* default mac address of the first network interface */
|
5185 |
|
5186 |
optind = 1;
|
5187 |
for(;;) {
|
5188 |
if (optind >= argc)
|
5189 |
break;
|
5190 |
r = argv[optind]; |
5191 |
if (r[0] != '-') { |
5192 |
hd_filename[0] = argv[optind++];
|
5193 |
} else {
|
5194 |
const QEMUOption *popt;
|
5195 |
|
5196 |
optind++; |
5197 |
popt = qemu_options; |
5198 |
for(;;) {
|
5199 |
if (!popt->name) {
|
5200 |
fprintf(stderr, "%s: invalid option -- '%s'\n",
|
5201 |
argv[0], r);
|
5202 |
exit(1);
|
5203 |
} |
5204 |
if (!strcmp(popt->name, r + 1)) |
5205 |
break;
|
5206 |
popt++; |
5207 |
} |
5208 |
if (popt->flags & HAS_ARG) {
|
5209 |
if (optind >= argc) {
|
5210 |
fprintf(stderr, "%s: option '%s' requires an argument\n",
|
5211 |
argv[0], r);
|
5212 |
exit(1);
|
5213 |
} |
5214 |
optarg = argv[optind++]; |
5215 |
} else {
|
5216 |
optarg = NULL;
|
5217 |
} |
5218 |
|
5219 |
switch(popt->index) {
|
5220 |
case QEMU_OPTION_M:
|
5221 |
machine = find_machine(optarg); |
5222 |
if (!machine) {
|
5223 |
QEMUMachine *m; |
5224 |
printf("Supported machines are:\n");
|
5225 |
for(m = first_machine; m != NULL; m = m->next) { |
5226 |
printf("%-10s %s%s\n",
|
5227 |
m->name, m->desc, |
5228 |
m == first_machine ? " (default)" : ""); |
5229 |
} |
5230 |
exit(1);
|
5231 |
} |
5232 |
break;
|
5233 |
case QEMU_OPTION_initrd:
|
5234 |
initrd_filename = optarg; |
5235 |
break;
|
5236 |
case QEMU_OPTION_hda:
|
5237 |
case QEMU_OPTION_hdb:
|
5238 |
case QEMU_OPTION_hdc:
|
5239 |
case QEMU_OPTION_hdd:
|
5240 |
{ |
5241 |
int hd_index;
|
5242 |
hd_index = popt->index - QEMU_OPTION_hda; |
5243 |
hd_filename[hd_index] = optarg; |
5244 |
if (hd_index == cdrom_index)
|
5245 |
cdrom_index = -1;
|
5246 |
} |
5247 |
break;
|
5248 |
case QEMU_OPTION_snapshot:
|
5249 |
snapshot = 1;
|
5250 |
break;
|
5251 |
case QEMU_OPTION_hdachs:
|
5252 |
{ |
5253 |
const char *p; |
5254 |
p = optarg; |
5255 |
cyls = strtol(p, (char **)&p, 0); |
5256 |
if (cyls < 1 || cyls > 16383) |
5257 |
goto chs_fail;
|
5258 |
if (*p != ',') |
5259 |
goto chs_fail;
|
5260 |
p++; |
5261 |
heads = strtol(p, (char **)&p, 0); |
5262 |
if (heads < 1 || heads > 16) |
5263 |
goto chs_fail;
|
5264 |
if (*p != ',') |
5265 |
goto chs_fail;
|
5266 |
p++; |
5267 |
secs = strtol(p, (char **)&p, 0); |
5268 |
if (secs < 1 || secs > 63) |
5269 |
goto chs_fail;
|
5270 |
if (*p == ',') { |
5271 |
p++; |
5272 |
if (!strcmp(p, "none")) |
5273 |
translation = BIOS_ATA_TRANSLATION_NONE; |
5274 |
else if (!strcmp(p, "lba")) |
5275 |
translation = BIOS_ATA_TRANSLATION_LBA; |
5276 |
else if (!strcmp(p, "auto")) |
5277 |
translation = BIOS_ATA_TRANSLATION_AUTO; |
5278 |
else
|
5279 |
goto chs_fail;
|
5280 |
} else if (*p != '\0') { |
5281 |
chs_fail:
|
5282 |
fprintf(stderr, "qemu: invalid physical CHS format\n");
|
5283 |
exit(1);
|
5284 |
} |
5285 |
} |
5286 |
break;
|
5287 |
case QEMU_OPTION_nographic:
|
5288 |
pstrcpy(monitor_device, sizeof(monitor_device), "stdio"); |
5289 |
pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "stdio"); |
5290 |
nographic = 1;
|
5291 |
break;
|
5292 |
case QEMU_OPTION_kernel:
|
5293 |
kernel_filename = optarg; |
5294 |
break;
|
5295 |
case QEMU_OPTION_append:
|
5296 |
kernel_cmdline = optarg; |
5297 |
break;
|
5298 |
case QEMU_OPTION_cdrom:
|
5299 |
if (cdrom_index >= 0) { |
5300 |
hd_filename[cdrom_index] = optarg; |
5301 |
} |
5302 |
break;
|
5303 |
case QEMU_OPTION_boot:
|
5304 |
boot_device = optarg[0];
|
5305 |
if (boot_device != 'a' && |
5306 |
#ifdef TARGET_SPARC
|
5307 |
// Network boot
|
5308 |
boot_device != 'n' &&
|
5309 |
#endif
|
5310 |
boot_device != 'c' && boot_device != 'd') { |
5311 |
fprintf(stderr, "qemu: invalid boot device '%c'\n", boot_device);
|
5312 |
exit(1);
|
5313 |
} |
5314 |
break;
|
5315 |
case QEMU_OPTION_fda:
|
5316 |
fd_filename[0] = optarg;
|
5317 |
break;
|
5318 |
case QEMU_OPTION_fdb:
|
5319 |
fd_filename[1] = optarg;
|
5320 |
break;
|
5321 |
#ifdef TARGET_I386
|
5322 |
case QEMU_OPTION_no_fd_bootchk:
|
5323 |
fd_bootchk = 0;
|
5324 |
break;
|
5325 |
#endif
|
5326 |
case QEMU_OPTION_no_code_copy:
|
5327 |
code_copy_enabled = 0;
|
5328 |
break;
|
5329 |
case QEMU_OPTION_net:
|
5330 |
if (nb_net_clients >= MAX_NET_CLIENTS) {
|
5331 |
fprintf(stderr, "qemu: too many network clients\n");
|
5332 |
exit(1);
|
5333 |
} |
5334 |
pstrcpy(net_clients[nb_net_clients], |
5335 |
sizeof(net_clients[0]), |
5336 |
optarg); |
5337 |
nb_net_clients++; |
5338 |
break;
|
5339 |
#ifdef CONFIG_SLIRP
|
5340 |
case QEMU_OPTION_tftp:
|
5341 |
tftp_prefix = optarg; |
5342 |
break;
|
5343 |
#ifndef _WIN32
|
5344 |
case QEMU_OPTION_smb:
|
5345 |
net_slirp_smb(optarg); |
5346 |
break;
|
5347 |
#endif
|
5348 |
case QEMU_OPTION_redir:
|
5349 |
net_slirp_redir(optarg); |
5350 |
break;
|
5351 |
#endif
|
5352 |
#ifdef HAS_AUDIO
|
5353 |
case QEMU_OPTION_audio_help:
|
5354 |
AUD_help (); |
5355 |
exit (0);
|
5356 |
break;
|
5357 |
case QEMU_OPTION_soundhw:
|
5358 |
select_soundhw (optarg); |
5359 |
break;
|
5360 |
#endif
|
5361 |
case QEMU_OPTION_h:
|
5362 |
help(); |
5363 |
break;
|
5364 |
case QEMU_OPTION_m:
|
5365 |
ram_size = atoi(optarg) * 1024 * 1024; |
5366 |
if (ram_size <= 0) |
5367 |
help(); |
5368 |
if (ram_size > PHYS_RAM_MAX_SIZE) {
|
5369 |
fprintf(stderr, "qemu: at most %d MB RAM can be simulated\n",
|
5370 |
PHYS_RAM_MAX_SIZE / (1024 * 1024)); |
5371 |
exit(1);
|
5372 |
} |
5373 |
break;
|
5374 |
case QEMU_OPTION_d:
|
5375 |
{ |
5376 |
int mask;
|
5377 |
CPULogItem *item; |
5378 |
|
5379 |
mask = cpu_str_to_log_mask(optarg); |
5380 |
if (!mask) {
|
5381 |
printf("Log items (comma separated):\n");
|
5382 |
for(item = cpu_log_items; item->mask != 0; item++) { |
5383 |
printf("%-10s %s\n", item->name, item->help);
|
5384 |
} |
5385 |
exit(1);
|
5386 |
} |
5387 |
cpu_set_log(mask); |
5388 |
} |
5389 |
break;
|
5390 |
#ifdef CONFIG_GDBSTUB
|
5391 |
case QEMU_OPTION_s:
|
5392 |
use_gdbstub = 1;
|
5393 |
break;
|
5394 |
case QEMU_OPTION_p:
|
5395 |
gdbstub_port = atoi(optarg); |
5396 |
break;
|
5397 |
#endif
|
5398 |
case QEMU_OPTION_L:
|
5399 |
bios_dir = optarg; |
5400 |
break;
|
5401 |
case QEMU_OPTION_S:
|
5402 |
start_emulation = 0;
|
5403 |
break;
|
5404 |
case QEMU_OPTION_k:
|
5405 |
keyboard_layout = optarg; |
5406 |
break;
|
5407 |
case QEMU_OPTION_localtime:
|
5408 |
rtc_utc = 0;
|
5409 |
break;
|
5410 |
case QEMU_OPTION_cirrusvga:
|
5411 |
cirrus_vga_enabled = 1;
|
5412 |
break;
|
5413 |
case QEMU_OPTION_std_vga:
|
5414 |
cirrus_vga_enabled = 0;
|
5415 |
break;
|
5416 |
case QEMU_OPTION_g:
|
5417 |
{ |
5418 |
const char *p; |
5419 |
int w, h, depth;
|
5420 |
p = optarg; |
5421 |
w = strtol(p, (char **)&p, 10); |
5422 |
if (w <= 0) { |
5423 |
graphic_error:
|
5424 |
fprintf(stderr, "qemu: invalid resolution or depth\n");
|
5425 |
exit(1);
|
5426 |
} |
5427 |
if (*p != 'x') |
5428 |
goto graphic_error;
|
5429 |
p++; |
5430 |
h = strtol(p, (char **)&p, 10); |
5431 |
if (h <= 0) |
5432 |
goto graphic_error;
|
5433 |
if (*p == 'x') { |
5434 |
p++; |
5435 |
depth = strtol(p, (char **)&p, 10); |
5436 |
if (depth != 8 && depth != 15 && depth != 16 && |
5437 |
depth != 24 && depth != 32) |
5438 |
goto graphic_error;
|
5439 |
} else if (*p == '\0') { |
5440 |
depth = graphic_depth; |
5441 |
} else {
|
5442 |
goto graphic_error;
|
5443 |
} |
5444 |
|
5445 |
graphic_width = w; |
5446 |
graphic_height = h; |
5447 |
graphic_depth = depth; |
5448 |
} |
5449 |
break;
|
5450 |
case QEMU_OPTION_monitor:
|
5451 |
pstrcpy(monitor_device, sizeof(monitor_device), optarg);
|
5452 |
break;
|
5453 |
case QEMU_OPTION_serial:
|
5454 |
if (serial_device_index >= MAX_SERIAL_PORTS) {
|
5455 |
fprintf(stderr, "qemu: too many serial ports\n");
|
5456 |
exit(1);
|
5457 |
} |
5458 |
pstrcpy(serial_devices[serial_device_index], |
5459 |
sizeof(serial_devices[0]), optarg); |
5460 |
serial_device_index++; |
5461 |
break;
|
5462 |
case QEMU_OPTION_parallel:
|
5463 |
if (parallel_device_index >= MAX_PARALLEL_PORTS) {
|
5464 |
fprintf(stderr, "qemu: too many parallel ports\n");
|
5465 |
exit(1);
|
5466 |
} |
5467 |
pstrcpy(parallel_devices[parallel_device_index], |
5468 |
sizeof(parallel_devices[0]), optarg); |
5469 |
parallel_device_index++; |
5470 |
break;
|
5471 |
case QEMU_OPTION_loadvm:
|
5472 |
loadvm = optarg; |
5473 |
break;
|
5474 |
case QEMU_OPTION_full_screen:
|
5475 |
full_screen = 1;
|
5476 |
break;
|
5477 |
case QEMU_OPTION_pidfile:
|
5478 |
create_pidfile(optarg); |
5479 |
break;
|
5480 |
#ifdef TARGET_I386
|
5481 |
case QEMU_OPTION_win2k_hack:
|
5482 |
win2k_install_hack = 1;
|
5483 |
break;
|
5484 |
#endif
|
5485 |
#ifdef USE_KQEMU
|
5486 |
case QEMU_OPTION_no_kqemu:
|
5487 |
kqemu_allowed = 0;
|
5488 |
break;
|
5489 |
case QEMU_OPTION_kernel_kqemu:
|
5490 |
kqemu_allowed = 2;
|
5491 |
break;
|
5492 |
#endif
|
5493 |
case QEMU_OPTION_usb:
|
5494 |
usb_enabled = 1;
|
5495 |
break;
|
5496 |
case QEMU_OPTION_usbdevice:
|
5497 |
usb_enabled = 1;
|
5498 |
if (usb_devices_index >= MAX_USB_CMDLINE) {
|
5499 |
fprintf(stderr, "Too many USB devices\n");
|
5500 |
exit(1);
|
5501 |
} |
5502 |
pstrcpy(usb_devices[usb_devices_index], |
5503 |
sizeof(usb_devices[usb_devices_index]),
|
5504 |
optarg); |
5505 |
usb_devices_index++; |
5506 |
break;
|
5507 |
case QEMU_OPTION_smp:
|
5508 |
smp_cpus = atoi(optarg); |
5509 |
if (smp_cpus < 1 || smp_cpus > MAX_CPUS) { |
5510 |
fprintf(stderr, "Invalid number of CPUs\n");
|
5511 |
exit(1);
|
5512 |
} |
5513 |
break;
|
5514 |
case QEMU_OPTION_vnc:
|
5515 |
vnc_display = atoi(optarg); |
5516 |
if (vnc_display < 0) { |
5517 |
fprintf(stderr, "Invalid VNC display\n");
|
5518 |
exit(1);
|
5519 |
} |
5520 |
break;
|
5521 |
case QEMU_OPTION_no_acpi:
|
5522 |
acpi_enabled = 0;
|
5523 |
break;
|
5524 |
} |
5525 |
} |
5526 |
} |
5527 |
|
5528 |
#ifdef USE_KQEMU
|
5529 |
if (smp_cpus > 1) |
5530 |
kqemu_allowed = 0;
|
5531 |
#endif
|
5532 |
linux_boot = (kernel_filename != NULL);
|
5533 |
|
5534 |
if (!linux_boot &&
|
5535 |
hd_filename[0] == '\0' && |
5536 |
(cdrom_index >= 0 && hd_filename[cdrom_index] == '\0') && |
5537 |
fd_filename[0] == '\0') |
5538 |
help(); |
5539 |
|
5540 |
/* boot to cd by default if no hard disk */
|
5541 |
if (hd_filename[0] == '\0' && boot_device == 'c') { |
5542 |
if (fd_filename[0] != '\0') |
5543 |
boot_device = 'a';
|
5544 |
else
|
5545 |
boot_device = 'd';
|
5546 |
} |
5547 |
|
5548 |
#if !defined(CONFIG_SOFTMMU)
|
5549 |
/* must avoid mmap() usage of glibc by setting a buffer "by hand" */
|
5550 |
{ |
5551 |
static uint8_t stdout_buf[4096]; |
5552 |
setvbuf(stdout, stdout_buf, _IOLBF, sizeof(stdout_buf));
|
5553 |
} |
5554 |
#else
|
5555 |
setvbuf(stdout, NULL, _IOLBF, 0); |
5556 |
#endif
|
5557 |
|
5558 |
#ifdef _WIN32
|
5559 |
socket_init(); |
5560 |
#endif
|
5561 |
|
5562 |
/* init network clients */
|
5563 |
if (nb_net_clients == 0) { |
5564 |
/* if no clients, we use a default config */
|
5565 |
pstrcpy(net_clients[0], sizeof(net_clients[0]), |
5566 |
"nic");
|
5567 |
pstrcpy(net_clients[1], sizeof(net_clients[0]), |
5568 |
"user");
|
5569 |
nb_net_clients = 2;
|
5570 |
} |
5571 |
|
5572 |
for(i = 0;i < nb_net_clients; i++) { |
5573 |
if (net_client_init(net_clients[i]) < 0) |
5574 |
exit(1);
|
5575 |
} |
5576 |
|
5577 |
/* init the memory */
|
5578 |
phys_ram_size = ram_size + vga_ram_size + bios_size; |
5579 |
|
5580 |
#ifdef CONFIG_SOFTMMU
|
5581 |
phys_ram_base = qemu_vmalloc(phys_ram_size); |
5582 |
if (!phys_ram_base) {
|
5583 |
fprintf(stderr, "Could not allocate physical memory\n");
|
5584 |
exit(1);
|
5585 |
} |
5586 |
#else
|
5587 |
/* as we must map the same page at several addresses, we must use
|
5588 |
a fd */
|
5589 |
{ |
5590 |
const char *tmpdir; |
5591 |
|
5592 |
tmpdir = getenv("QEMU_TMPDIR");
|
5593 |
if (!tmpdir)
|
5594 |
tmpdir = "/tmp";
|
5595 |
snprintf(phys_ram_file, sizeof(phys_ram_file), "%s/vlXXXXXX", tmpdir); |
5596 |
if (mkstemp(phys_ram_file) < 0) { |
5597 |
fprintf(stderr, "Could not create temporary memory file '%s'\n",
|
5598 |
phys_ram_file); |
5599 |
exit(1);
|
5600 |
} |
5601 |
phys_ram_fd = open(phys_ram_file, O_CREAT | O_TRUNC | O_RDWR, 0600);
|
5602 |
if (phys_ram_fd < 0) { |
5603 |
fprintf(stderr, "Could not open temporary memory file '%s'\n",
|
5604 |
phys_ram_file); |
5605 |
exit(1);
|
5606 |
} |
5607 |
ftruncate(phys_ram_fd, phys_ram_size); |
5608 |
unlink(phys_ram_file); |
5609 |
phys_ram_base = mmap(get_mmap_addr(phys_ram_size), |
5610 |
phys_ram_size, |
5611 |
PROT_WRITE | PROT_READ, MAP_SHARED | MAP_FIXED, |
5612 |
phys_ram_fd, 0);
|
5613 |
if (phys_ram_base == MAP_FAILED) {
|
5614 |
fprintf(stderr, "Could not map physical memory\n");
|
5615 |
exit(1);
|
5616 |
} |
5617 |
} |
5618 |
#endif
|
5619 |
|
5620 |
/* we always create the cdrom drive, even if no disk is there */
|
5621 |
bdrv_init(); |
5622 |
if (cdrom_index >= 0) { |
5623 |
bs_table[cdrom_index] = bdrv_new("cdrom");
|
5624 |
bdrv_set_type_hint(bs_table[cdrom_index], BDRV_TYPE_CDROM); |
5625 |
} |
5626 |
|
5627 |
/* open the virtual block devices */
|
5628 |
for(i = 0; i < MAX_DISKS; i++) { |
5629 |
if (hd_filename[i]) {
|
5630 |
if (!bs_table[i]) {
|
5631 |
char buf[64]; |
5632 |
snprintf(buf, sizeof(buf), "hd%c", i + 'a'); |
5633 |
bs_table[i] = bdrv_new(buf); |
5634 |
} |
5635 |
if (bdrv_open(bs_table[i], hd_filename[i], snapshot) < 0) { |
5636 |
fprintf(stderr, "qemu: could not open hard disk image '%s'\n",
|
5637 |
hd_filename[i]); |
5638 |
exit(1);
|
5639 |
} |
5640 |
if (i == 0 && cyls != 0) { |
5641 |
bdrv_set_geometry_hint(bs_table[i], cyls, heads, secs); |
5642 |
bdrv_set_translation_hint(bs_table[i], translation); |
5643 |
} |
5644 |
} |
5645 |
} |
5646 |
|
5647 |
/* we always create at least one floppy disk */
|
5648 |
fd_table[0] = bdrv_new("fda"); |
5649 |
bdrv_set_type_hint(fd_table[0], BDRV_TYPE_FLOPPY);
|
5650 |
|
5651 |
for(i = 0; i < MAX_FD; i++) { |
5652 |
if (fd_filename[i]) {
|
5653 |
if (!fd_table[i]) {
|
5654 |
char buf[64]; |
5655 |
snprintf(buf, sizeof(buf), "fd%c", i + 'a'); |
5656 |
fd_table[i] = bdrv_new(buf); |
5657 |
bdrv_set_type_hint(fd_table[i], BDRV_TYPE_FLOPPY); |
5658 |
} |
5659 |
if (fd_filename[i] != '\0') { |
5660 |
if (bdrv_open(fd_table[i], fd_filename[i], snapshot) < 0) { |
5661 |
fprintf(stderr, "qemu: could not open floppy disk image '%s'\n",
|
5662 |
fd_filename[i]); |
5663 |
exit(1);
|
5664 |
} |
5665 |
} |
5666 |
} |
5667 |
} |
5668 |
|
5669 |
register_savevm("timer", 0, 1, timer_save, timer_load, NULL); |
5670 |
register_savevm("ram", 0, 1, ram_save, ram_load, NULL); |
5671 |
|
5672 |
init_ioports(); |
5673 |
cpu_calibrate_ticks(); |
5674 |
|
5675 |
/* terminal init */
|
5676 |
if (nographic) {
|
5677 |
dumb_display_init(ds); |
5678 |
} else if (vnc_display != -1) { |
5679 |
vnc_display_init(ds, vnc_display); |
5680 |
} else {
|
5681 |
#if defined(CONFIG_SDL)
|
5682 |
sdl_display_init(ds, full_screen); |
5683 |
#elif defined(CONFIG_COCOA)
|
5684 |
cocoa_display_init(ds, full_screen); |
5685 |
#else
|
5686 |
dumb_display_init(ds); |
5687 |
#endif
|
5688 |
} |
5689 |
|
5690 |
monitor_hd = qemu_chr_open(monitor_device); |
5691 |
if (!monitor_hd) {
|
5692 |
fprintf(stderr, "qemu: could not open monitor device '%s'\n", monitor_device);
|
5693 |
exit(1);
|
5694 |
} |
5695 |
monitor_init(monitor_hd, !nographic); |
5696 |
|
5697 |
for(i = 0; i < MAX_SERIAL_PORTS; i++) { |
5698 |
if (serial_devices[i][0] != '\0') { |
5699 |
serial_hds[i] = qemu_chr_open(serial_devices[i]); |
5700 |
if (!serial_hds[i]) {
|
5701 |
fprintf(stderr, "qemu: could not open serial device '%s'\n",
|
5702 |
serial_devices[i]); |
5703 |
exit(1);
|
5704 |
} |
5705 |
if (!strcmp(serial_devices[i], "vc")) |
5706 |
qemu_chr_printf(serial_hds[i], "serial%d console\n", i);
|
5707 |
} |
5708 |
} |
5709 |
|
5710 |
for(i = 0; i < MAX_PARALLEL_PORTS; i++) { |
5711 |
if (parallel_devices[i][0] != '\0') { |
5712 |
parallel_hds[i] = qemu_chr_open(parallel_devices[i]); |
5713 |
if (!parallel_hds[i]) {
|
5714 |
fprintf(stderr, "qemu: could not open parallel device '%s'\n",
|
5715 |
parallel_devices[i]); |
5716 |
exit(1);
|
5717 |
} |
5718 |
if (!strcmp(parallel_devices[i], "vc")) |
5719 |
qemu_chr_printf(parallel_hds[i], "parallel%d console\n", i);
|
5720 |
} |
5721 |
} |
5722 |
|
5723 |
/* setup cpu signal handlers for MMU / self modifying code handling */
|
5724 |
#if !defined(CONFIG_SOFTMMU)
|
5725 |
|
5726 |
#if defined (TARGET_I386) && defined(USE_CODE_COPY)
|
5727 |
{ |
5728 |
stack_t stk; |
5729 |
signal_stack = memalign(16, SIGNAL_STACK_SIZE);
|
5730 |
stk.ss_sp = signal_stack; |
5731 |
stk.ss_size = SIGNAL_STACK_SIZE; |
5732 |
stk.ss_flags = 0;
|
5733 |
|
5734 |
if (sigaltstack(&stk, NULL) < 0) { |
5735 |
perror("sigaltstack");
|
5736 |
exit(1);
|
5737 |
} |
5738 |
} |
5739 |
#endif
|
5740 |
{ |
5741 |
struct sigaction act;
|
5742 |
|
5743 |
sigfillset(&act.sa_mask); |
5744 |
act.sa_flags = SA_SIGINFO; |
5745 |
#if defined (TARGET_I386) && defined(USE_CODE_COPY)
|
5746 |
act.sa_flags |= SA_ONSTACK; |
5747 |
#endif
|
5748 |
act.sa_sigaction = host_segv_handler; |
5749 |
sigaction(SIGSEGV, &act, NULL);
|
5750 |
sigaction(SIGBUS, &act, NULL);
|
5751 |
#if defined (TARGET_I386) && defined(USE_CODE_COPY)
|
5752 |
sigaction(SIGFPE, &act, NULL);
|
5753 |
#endif
|
5754 |
} |
5755 |
#endif
|
5756 |
|
5757 |
#ifndef _WIN32
|
5758 |
{ |
5759 |
struct sigaction act;
|
5760 |
sigfillset(&act.sa_mask); |
5761 |
act.sa_flags = 0;
|
5762 |
act.sa_handler = SIG_IGN; |
5763 |
sigaction(SIGPIPE, &act, NULL);
|
5764 |
} |
5765 |
#endif
|
5766 |
init_timers(); |
5767 |
|
5768 |
machine->init(ram_size, vga_ram_size, boot_device, |
5769 |
ds, fd_filename, snapshot, |
5770 |
kernel_filename, kernel_cmdline, initrd_filename); |
5771 |
|
5772 |
/* init USB devices */
|
5773 |
if (usb_enabled) {
|
5774 |
for(i = 0; i < usb_devices_index; i++) { |
5775 |
if (usb_device_add(usb_devices[i]) < 0) { |
5776 |
fprintf(stderr, "Warning: could not add USB device %s\n",
|
5777 |
usb_devices[i]); |
5778 |
} |
5779 |
} |
5780 |
} |
5781 |
|
5782 |
gui_timer = qemu_new_timer(rt_clock, gui_update, NULL);
|
5783 |
qemu_mod_timer(gui_timer, qemu_get_clock(rt_clock)); |
5784 |
|
5785 |
#ifdef CONFIG_GDBSTUB
|
5786 |
if (use_gdbstub) {
|
5787 |
if (gdbserver_start(gdbstub_port) < 0) { |
5788 |
fprintf(stderr, "Could not open gdbserver socket on port %d\n",
|
5789 |
gdbstub_port); |
5790 |
exit(1);
|
5791 |
} else {
|
5792 |
printf("Waiting gdb connection on port %d\n", gdbstub_port);
|
5793 |
} |
5794 |
} else
|
5795 |
#endif
|
5796 |
if (loadvm)
|
5797 |
qemu_loadvm(loadvm); |
5798 |
|
5799 |
{ |
5800 |
/* XXX: simplify init */
|
5801 |
read_passwords(); |
5802 |
if (start_emulation) {
|
5803 |
vm_start(); |
5804 |
} |
5805 |
} |
5806 |
main_loop(); |
5807 |
quit_timers(); |
5808 |
return 0; |
5809 |
} |