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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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#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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#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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#include <winsock2.h> |
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#include <ws2tcpip.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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#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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/* 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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USBPort *vm_usb_ports[MAX_VM_USB_PORTS]; |
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USBDevice *vm_usb_hub; |
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static VLANState *first_vlan;
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int smp_cpus = 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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/***********************************************************/
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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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/* return the size or -1 if error */
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int get_image_size(const char *filename) |
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{ |
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int fd, size;
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fd = open(filename, O_RDONLY | O_BINARY); |
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if (fd < 0) |
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return -1; |
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size = lseek(fd, 0, SEEK_END);
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close(fd); |
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return size;
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} |
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/* return the size or -1 if error */
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int load_image(const char *filename, uint8_t *addr) |
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{ |
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int fd, size;
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fd = open(filename, O_RDONLY | O_BINARY); |
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if (fd < 0) |
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return -1; |
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size = lseek(fd, 0, SEEK_END);
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lseek(fd, 0, SEEK_SET);
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if (read(fd, addr, size) != size) {
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close(fd); |
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return -1; |
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} |
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close(fd); |
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return size;
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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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} |
389 |
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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(); |
400 |
#endif
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} |
402 |
|
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int cpu_inb(CPUState *env, int addr) |
404 |
{ |
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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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411 |
#ifdef USE_KQEMU
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412 |
if (env)
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env->last_io_time = cpu_get_time_fast(); |
414 |
#endif
|
415 |
return val;
|
416 |
} |
417 |
|
418 |
int cpu_inw(CPUState *env, int addr) |
419 |
{ |
420 |
int val;
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421 |
val = ioport_read_table[1][addr](ioport_opaque[addr], addr);
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422 |
#ifdef DEBUG_IOPORT
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423 |
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
|
427 |
if (env)
|
428 |
env->last_io_time = cpu_get_time_fast(); |
429 |
#endif
|
430 |
return val;
|
431 |
} |
432 |
|
433 |
int cpu_inl(CPUState *env, int addr) |
434 |
{ |
435 |
int val;
|
436 |
val = ioport_read_table[2][addr](ioport_opaque[addr], addr);
|
437 |
#ifdef DEBUG_IOPORT
|
438 |
if (loglevel & CPU_LOG_IOPORT)
|
439 |
fprintf(logfile, "inl : %04x %08x\n", addr, val);
|
440 |
#endif
|
441 |
#ifdef USE_KQEMU
|
442 |
if (env)
|
443 |
env->last_io_time = cpu_get_time_fast(); |
444 |
#endif
|
445 |
return val;
|
446 |
} |
447 |
|
448 |
/***********************************************************/
|
449 |
void hw_error(const char *fmt, ...) |
450 |
{ |
451 |
va_list ap; |
452 |
CPUState *env; |
453 |
|
454 |
va_start(ap, fmt); |
455 |
fprintf(stderr, "qemu: hardware error: ");
|
456 |
vfprintf(stderr, fmt, ap); |
457 |
fprintf(stderr, "\n");
|
458 |
for(env = first_cpu; env != NULL; env = env->next_cpu) { |
459 |
fprintf(stderr, "CPU #%d:\n", env->cpu_index);
|
460 |
#ifdef TARGET_I386
|
461 |
cpu_dump_state(env, stderr, fprintf, X86_DUMP_FPU); |
462 |
#else
|
463 |
cpu_dump_state(env, stderr, fprintf, 0);
|
464 |
#endif
|
465 |
} |
466 |
va_end(ap); |
467 |
abort(); |
468 |
} |
469 |
|
470 |
/***********************************************************/
|
471 |
/* keyboard/mouse */
|
472 |
|
473 |
static QEMUPutKBDEvent *qemu_put_kbd_event;
|
474 |
static void *qemu_put_kbd_event_opaque; |
475 |
static QEMUPutMouseEvent *qemu_put_mouse_event;
|
476 |
static void *qemu_put_mouse_event_opaque; |
477 |
|
478 |
void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque) |
479 |
{ |
480 |
qemu_put_kbd_event_opaque = opaque; |
481 |
qemu_put_kbd_event = func; |
482 |
} |
483 |
|
484 |
void qemu_add_mouse_event_handler(QEMUPutMouseEvent *func, void *opaque) |
485 |
{ |
486 |
qemu_put_mouse_event_opaque = opaque; |
487 |
qemu_put_mouse_event = func; |
488 |
} |
489 |
|
490 |
void kbd_put_keycode(int keycode) |
491 |
{ |
492 |
if (qemu_put_kbd_event) {
|
493 |
qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode); |
494 |
} |
495 |
} |
496 |
|
497 |
void kbd_mouse_event(int dx, int dy, int dz, int buttons_state) |
498 |
{ |
499 |
if (qemu_put_mouse_event) {
|
500 |
qemu_put_mouse_event(qemu_put_mouse_event_opaque, |
501 |
dx, dy, dz, buttons_state); |
502 |
} |
503 |
} |
504 |
|
505 |
/***********************************************************/
|
506 |
/* timers */
|
507 |
|
508 |
#if defined(__powerpc__)
|
509 |
|
510 |
static inline uint32_t get_tbl(void) |
511 |
{ |
512 |
uint32_t tbl; |
513 |
asm volatile("mftb %0" : "=r" (tbl)); |
514 |
return tbl;
|
515 |
} |
516 |
|
517 |
static inline uint32_t get_tbu(void) |
518 |
{ |
519 |
uint32_t tbl; |
520 |
asm volatile("mftbu %0" : "=r" (tbl)); |
521 |
return tbl;
|
522 |
} |
523 |
|
524 |
int64_t cpu_get_real_ticks(void)
|
525 |
{ |
526 |
uint32_t l, h, h1; |
527 |
/* NOTE: we test if wrapping has occurred */
|
528 |
do {
|
529 |
h = get_tbu(); |
530 |
l = get_tbl(); |
531 |
h1 = get_tbu(); |
532 |
} while (h != h1);
|
533 |
return ((int64_t)h << 32) | l; |
534 |
} |
535 |
|
536 |
#elif defined(__i386__)
|
537 |
|
538 |
int64_t cpu_get_real_ticks(void)
|
539 |
{ |
540 |
int64_t val; |
541 |
asm volatile ("rdtsc" : "=A" (val)); |
542 |
return val;
|
543 |
} |
544 |
|
545 |
#elif defined(__x86_64__)
|
546 |
|
547 |
int64_t cpu_get_real_ticks(void)
|
548 |
{ |
549 |
uint32_t low,high; |
550 |
int64_t val; |
551 |
asm volatile("rdtsc" : "=a" (low), "=d" (high)); |
552 |
val = high; |
553 |
val <<= 32;
|
554 |
val |= low; |
555 |
return val;
|
556 |
} |
557 |
|
558 |
#elif defined(__ia64)
|
559 |
|
560 |
int64_t cpu_get_real_ticks(void)
|
561 |
{ |
562 |
int64_t val; |
563 |
asm volatile ("mov %0 = ar.itc" : "=r"(val) :: "memory"); |
564 |
return val;
|
565 |
} |
566 |
|
567 |
#elif defined(__s390__)
|
568 |
|
569 |
int64_t cpu_get_real_ticks(void)
|
570 |
{ |
571 |
int64_t val; |
572 |
asm volatile("stck 0(%1)" : "=m" (val) : "a" (&val) : "cc"); |
573 |
return val;
|
574 |
} |
575 |
|
576 |
#else
|
577 |
#error unsupported CPU
|
578 |
#endif
|
579 |
|
580 |
static int64_t cpu_ticks_offset;
|
581 |
static int cpu_ticks_enabled; |
582 |
|
583 |
static inline int64_t cpu_get_ticks(void) |
584 |
{ |
585 |
if (!cpu_ticks_enabled) {
|
586 |
return cpu_ticks_offset;
|
587 |
} else {
|
588 |
return cpu_get_real_ticks() + cpu_ticks_offset;
|
589 |
} |
590 |
} |
591 |
|
592 |
/* enable cpu_get_ticks() */
|
593 |
void cpu_enable_ticks(void) |
594 |
{ |
595 |
if (!cpu_ticks_enabled) {
|
596 |
cpu_ticks_offset -= cpu_get_real_ticks(); |
597 |
cpu_ticks_enabled = 1;
|
598 |
} |
599 |
} |
600 |
|
601 |
/* disable cpu_get_ticks() : the clock is stopped. You must not call
|
602 |
cpu_get_ticks() after that. */
|
603 |
void cpu_disable_ticks(void) |
604 |
{ |
605 |
if (cpu_ticks_enabled) {
|
606 |
cpu_ticks_offset = cpu_get_ticks(); |
607 |
cpu_ticks_enabled = 0;
|
608 |
} |
609 |
} |
610 |
|
611 |
static int64_t get_clock(void) |
612 |
{ |
613 |
#ifdef _WIN32
|
614 |
struct _timeb tb;
|
615 |
_ftime(&tb); |
616 |
return ((int64_t)tb.time * 1000 + (int64_t)tb.millitm) * 1000; |
617 |
#else
|
618 |
struct timeval tv;
|
619 |
gettimeofday(&tv, NULL);
|
620 |
return tv.tv_sec * 1000000LL + tv.tv_usec; |
621 |
#endif
|
622 |
} |
623 |
|
624 |
void cpu_calibrate_ticks(void) |
625 |
{ |
626 |
int64_t usec, ticks; |
627 |
|
628 |
usec = get_clock(); |
629 |
ticks = cpu_get_real_ticks(); |
630 |
#ifdef _WIN32
|
631 |
Sleep(50);
|
632 |
#else
|
633 |
usleep(50 * 1000); |
634 |
#endif
|
635 |
usec = get_clock() - usec; |
636 |
ticks = cpu_get_real_ticks() - ticks; |
637 |
ticks_per_sec = (ticks * 1000000LL + (usec >> 1)) / usec; |
638 |
} |
639 |
|
640 |
/* compute with 96 bit intermediate result: (a*b)/c */
|
641 |
uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c) |
642 |
{ |
643 |
union {
|
644 |
uint64_t ll; |
645 |
struct {
|
646 |
#ifdef WORDS_BIGENDIAN
|
647 |
uint32_t high, low; |
648 |
#else
|
649 |
uint32_t low, high; |
650 |
#endif
|
651 |
} l; |
652 |
} u, res; |
653 |
uint64_t rl, rh; |
654 |
|
655 |
u.ll = a; |
656 |
rl = (uint64_t)u.l.low * (uint64_t)b; |
657 |
rh = (uint64_t)u.l.high * (uint64_t)b; |
658 |
rh += (rl >> 32);
|
659 |
res.l.high = rh / c; |
660 |
res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c; |
661 |
return res.ll;
|
662 |
} |
663 |
|
664 |
#define QEMU_TIMER_REALTIME 0 |
665 |
#define QEMU_TIMER_VIRTUAL 1 |
666 |
|
667 |
struct QEMUClock {
|
668 |
int type;
|
669 |
/* XXX: add frequency */
|
670 |
}; |
671 |
|
672 |
struct QEMUTimer {
|
673 |
QEMUClock *clock; |
674 |
int64_t expire_time; |
675 |
QEMUTimerCB *cb; |
676 |
void *opaque;
|
677 |
struct QEMUTimer *next;
|
678 |
}; |
679 |
|
680 |
QEMUClock *rt_clock; |
681 |
QEMUClock *vm_clock; |
682 |
|
683 |
static QEMUTimer *active_timers[2]; |
684 |
#ifdef _WIN32
|
685 |
static MMRESULT timerID;
|
686 |
#else
|
687 |
/* frequency of the times() clock tick */
|
688 |
static int timer_freq; |
689 |
#endif
|
690 |
|
691 |
QEMUClock *qemu_new_clock(int type)
|
692 |
{ |
693 |
QEMUClock *clock; |
694 |
clock = qemu_mallocz(sizeof(QEMUClock));
|
695 |
if (!clock)
|
696 |
return NULL; |
697 |
clock->type = type; |
698 |
return clock;
|
699 |
} |
700 |
|
701 |
QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque)
|
702 |
{ |
703 |
QEMUTimer *ts; |
704 |
|
705 |
ts = qemu_mallocz(sizeof(QEMUTimer));
|
706 |
ts->clock = clock; |
707 |
ts->cb = cb; |
708 |
ts->opaque = opaque; |
709 |
return ts;
|
710 |
} |
711 |
|
712 |
void qemu_free_timer(QEMUTimer *ts)
|
713 |
{ |
714 |
qemu_free(ts); |
715 |
} |
716 |
|
717 |
/* stop a timer, but do not dealloc it */
|
718 |
void qemu_del_timer(QEMUTimer *ts)
|
719 |
{ |
720 |
QEMUTimer **pt, *t; |
721 |
|
722 |
/* NOTE: this code must be signal safe because
|
723 |
qemu_timer_expired() can be called from a signal. */
|
724 |
pt = &active_timers[ts->clock->type]; |
725 |
for(;;) {
|
726 |
t = *pt; |
727 |
if (!t)
|
728 |
break;
|
729 |
if (t == ts) {
|
730 |
*pt = t->next; |
731 |
break;
|
732 |
} |
733 |
pt = &t->next; |
734 |
} |
735 |
} |
736 |
|
737 |
/* modify the current timer so that it will be fired when current_time
|
738 |
>= expire_time. The corresponding callback will be called. */
|
739 |
void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time)
|
740 |
{ |
741 |
QEMUTimer **pt, *t; |
742 |
|
743 |
qemu_del_timer(ts); |
744 |
|
745 |
/* add the timer in the sorted list */
|
746 |
/* NOTE: this code must be signal safe because
|
747 |
qemu_timer_expired() can be called from a signal. */
|
748 |
pt = &active_timers[ts->clock->type]; |
749 |
for(;;) {
|
750 |
t = *pt; |
751 |
if (!t)
|
752 |
break;
|
753 |
if (t->expire_time > expire_time)
|
754 |
break;
|
755 |
pt = &t->next; |
756 |
} |
757 |
ts->expire_time = expire_time; |
758 |
ts->next = *pt; |
759 |
*pt = ts; |
760 |
} |
761 |
|
762 |
int qemu_timer_pending(QEMUTimer *ts)
|
763 |
{ |
764 |
QEMUTimer *t; |
765 |
for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) { |
766 |
if (t == ts)
|
767 |
return 1; |
768 |
} |
769 |
return 0; |
770 |
} |
771 |
|
772 |
static inline int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time) |
773 |
{ |
774 |
if (!timer_head)
|
775 |
return 0; |
776 |
return (timer_head->expire_time <= current_time);
|
777 |
} |
778 |
|
779 |
static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time) |
780 |
{ |
781 |
QEMUTimer *ts; |
782 |
|
783 |
for(;;) {
|
784 |
ts = *ptimer_head; |
785 |
if (!ts || ts->expire_time > current_time)
|
786 |
break;
|
787 |
/* remove timer from the list before calling the callback */
|
788 |
*ptimer_head = ts->next; |
789 |
ts->next = NULL;
|
790 |
|
791 |
/* run the callback (the timer list can be modified) */
|
792 |
ts->cb(ts->opaque); |
793 |
} |
794 |
} |
795 |
|
796 |
int64_t qemu_get_clock(QEMUClock *clock) |
797 |
{ |
798 |
switch(clock->type) {
|
799 |
case QEMU_TIMER_REALTIME:
|
800 |
#ifdef _WIN32
|
801 |
return GetTickCount();
|
802 |
#else
|
803 |
{ |
804 |
struct tms tp;
|
805 |
|
806 |
/* Note that using gettimeofday() is not a good solution
|
807 |
for timers because its value change when the date is
|
808 |
modified. */
|
809 |
if (timer_freq == 100) { |
810 |
return times(&tp) * 10; |
811 |
} else {
|
812 |
return ((int64_t)times(&tp) * 1000) / timer_freq; |
813 |
} |
814 |
} |
815 |
#endif
|
816 |
default:
|
817 |
case QEMU_TIMER_VIRTUAL:
|
818 |
return cpu_get_ticks();
|
819 |
} |
820 |
} |
821 |
|
822 |
/* save a timer */
|
823 |
void qemu_put_timer(QEMUFile *f, QEMUTimer *ts)
|
824 |
{ |
825 |
uint64_t expire_time; |
826 |
|
827 |
if (qemu_timer_pending(ts)) {
|
828 |
expire_time = ts->expire_time; |
829 |
} else {
|
830 |
expire_time = -1;
|
831 |
} |
832 |
qemu_put_be64(f, expire_time); |
833 |
} |
834 |
|
835 |
void qemu_get_timer(QEMUFile *f, QEMUTimer *ts)
|
836 |
{ |
837 |
uint64_t expire_time; |
838 |
|
839 |
expire_time = qemu_get_be64(f); |
840 |
if (expire_time != -1) { |
841 |
qemu_mod_timer(ts, expire_time); |
842 |
} else {
|
843 |
qemu_del_timer(ts); |
844 |
} |
845 |
} |
846 |
|
847 |
static void timer_save(QEMUFile *f, void *opaque) |
848 |
{ |
849 |
if (cpu_ticks_enabled) {
|
850 |
hw_error("cannot save state if virtual timers are running");
|
851 |
} |
852 |
qemu_put_be64s(f, &cpu_ticks_offset); |
853 |
qemu_put_be64s(f, &ticks_per_sec); |
854 |
} |
855 |
|
856 |
static int timer_load(QEMUFile *f, void *opaque, int version_id) |
857 |
{ |
858 |
if (version_id != 1) |
859 |
return -EINVAL;
|
860 |
if (cpu_ticks_enabled) {
|
861 |
return -EINVAL;
|
862 |
} |
863 |
qemu_get_be64s(f, &cpu_ticks_offset); |
864 |
qemu_get_be64s(f, &ticks_per_sec); |
865 |
return 0; |
866 |
} |
867 |
|
868 |
#ifdef _WIN32
|
869 |
void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg,
|
870 |
DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2) |
871 |
#else
|
872 |
static void host_alarm_handler(int host_signum) |
873 |
#endif
|
874 |
{ |
875 |
#if 0
|
876 |
#define DISP_FREQ 1000
|
877 |
{
|
878 |
static int64_t delta_min = INT64_MAX;
|
879 |
static int64_t delta_max, delta_cum, last_clock, delta, ti;
|
880 |
static int count;
|
881 |
ti = qemu_get_clock(vm_clock);
|
882 |
if (last_clock != 0) {
|
883 |
delta = ti - last_clock;
|
884 |
if (delta < delta_min)
|
885 |
delta_min = delta;
|
886 |
if (delta > delta_max)
|
887 |
delta_max = delta;
|
888 |
delta_cum += delta;
|
889 |
if (++count == DISP_FREQ) {
|
890 |
printf("timer: min=%lld us max=%lld us avg=%lld us avg_freq=%0.3f Hz\n",
|
891 |
muldiv64(delta_min, 1000000, ticks_per_sec),
|
892 |
muldiv64(delta_max, 1000000, ticks_per_sec),
|
893 |
muldiv64(delta_cum, 1000000 / DISP_FREQ, ticks_per_sec),
|
894 |
(double)ticks_per_sec / ((double)delta_cum / DISP_FREQ));
|
895 |
count = 0;
|
896 |
delta_min = INT64_MAX;
|
897 |
delta_max = 0;
|
898 |
delta_cum = 0;
|
899 |
}
|
900 |
}
|
901 |
last_clock = ti;
|
902 |
}
|
903 |
#endif
|
904 |
if (qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL],
|
905 |
qemu_get_clock(vm_clock)) || |
906 |
qemu_timer_expired(active_timers[QEMU_TIMER_REALTIME], |
907 |
qemu_get_clock(rt_clock))) { |
908 |
CPUState *env = cpu_single_env; |
909 |
if (env) {
|
910 |
/* stop the currently executing cpu because a timer occured */
|
911 |
cpu_interrupt(env, CPU_INTERRUPT_EXIT); |
912 |
#ifdef USE_KQEMU
|
913 |
if (env->kqemu_enabled) {
|
914 |
kqemu_cpu_interrupt(env); |
915 |
} |
916 |
#endif
|
917 |
} |
918 |
} |
919 |
} |
920 |
|
921 |
#ifndef _WIN32
|
922 |
|
923 |
#if defined(__linux__)
|
924 |
|
925 |
#define RTC_FREQ 1024 |
926 |
|
927 |
static int rtc_fd; |
928 |
|
929 |
static int start_rtc_timer(void) |
930 |
{ |
931 |
rtc_fd = open("/dev/rtc", O_RDONLY);
|
932 |
if (rtc_fd < 0) |
933 |
return -1; |
934 |
if (ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) { |
935 |
fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n"
|
936 |
"error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n"
|
937 |
"type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n");
|
938 |
goto fail;
|
939 |
} |
940 |
if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) { |
941 |
fail:
|
942 |
close(rtc_fd); |
943 |
return -1; |
944 |
} |
945 |
pit_min_timer_count = PIT_FREQ / RTC_FREQ; |
946 |
return 0; |
947 |
} |
948 |
|
949 |
#else
|
950 |
|
951 |
static int start_rtc_timer(void) |
952 |
{ |
953 |
return -1; |
954 |
} |
955 |
|
956 |
#endif /* !defined(__linux__) */ |
957 |
|
958 |
#endif /* !defined(_WIN32) */ |
959 |
|
960 |
static void init_timers(void) |
961 |
{ |
962 |
rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME); |
963 |
vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL); |
964 |
|
965 |
#ifdef _WIN32
|
966 |
{ |
967 |
int count=0; |
968 |
timerID = timeSetEvent(1, // interval (ms) |
969 |
0, // resolution |
970 |
host_alarm_handler, // function
|
971 |
(DWORD)&count, // user parameter
|
972 |
TIME_PERIODIC | TIME_CALLBACK_FUNCTION); |
973 |
if( !timerID ) {
|
974 |
perror("failed timer alarm");
|
975 |
exit(1);
|
976 |
} |
977 |
} |
978 |
pit_min_timer_count = ((uint64_t)10000 * PIT_FREQ) / 1000000; |
979 |
#else
|
980 |
{ |
981 |
struct sigaction act;
|
982 |
struct itimerval itv;
|
983 |
|
984 |
/* get times() syscall frequency */
|
985 |
timer_freq = sysconf(_SC_CLK_TCK); |
986 |
|
987 |
/* timer signal */
|
988 |
sigfillset(&act.sa_mask); |
989 |
act.sa_flags = 0;
|
990 |
#if defined (TARGET_I386) && defined(USE_CODE_COPY)
|
991 |
act.sa_flags |= SA_ONSTACK; |
992 |
#endif
|
993 |
act.sa_handler = host_alarm_handler; |
994 |
sigaction(SIGALRM, &act, NULL);
|
995 |
|
996 |
itv.it_interval.tv_sec = 0;
|
997 |
itv.it_interval.tv_usec = 999; /* for i386 kernel 2.6 to get 1 ms */ |
998 |
itv.it_value.tv_sec = 0;
|
999 |
itv.it_value.tv_usec = 10 * 1000; |
1000 |
setitimer(ITIMER_REAL, &itv, NULL);
|
1001 |
/* we probe the tick duration of the kernel to inform the user if
|
1002 |
the emulated kernel requested a too high timer frequency */
|
1003 |
getitimer(ITIMER_REAL, &itv); |
1004 |
|
1005 |
#if defined(__linux__)
|
1006 |
if (itv.it_interval.tv_usec > 1000) { |
1007 |
/* try to use /dev/rtc to have a faster timer */
|
1008 |
if (start_rtc_timer() < 0) |
1009 |
goto use_itimer;
|
1010 |
/* disable itimer */
|
1011 |
itv.it_interval.tv_sec = 0;
|
1012 |
itv.it_interval.tv_usec = 0;
|
1013 |
itv.it_value.tv_sec = 0;
|
1014 |
itv.it_value.tv_usec = 0;
|
1015 |
setitimer(ITIMER_REAL, &itv, NULL);
|
1016 |
|
1017 |
/* use the RTC */
|
1018 |
sigaction(SIGIO, &act, NULL);
|
1019 |
fcntl(rtc_fd, F_SETFL, O_ASYNC); |
1020 |
fcntl(rtc_fd, F_SETOWN, getpid()); |
1021 |
} else
|
1022 |
#endif /* defined(__linux__) */ |
1023 |
{ |
1024 |
use_itimer:
|
1025 |
pit_min_timer_count = ((uint64_t)itv.it_interval.tv_usec * |
1026 |
PIT_FREQ) / 1000000;
|
1027 |
} |
1028 |
} |
1029 |
#endif
|
1030 |
} |
1031 |
|
1032 |
void quit_timers(void) |
1033 |
{ |
1034 |
#ifdef _WIN32
|
1035 |
timeKillEvent(timerID); |
1036 |
#endif
|
1037 |
} |
1038 |
|
1039 |
/***********************************************************/
|
1040 |
/* character device */
|
1041 |
|
1042 |
int qemu_chr_write(CharDriverState *s, const uint8_t *buf, int len) |
1043 |
{ |
1044 |
return s->chr_write(s, buf, len);
|
1045 |
} |
1046 |
|
1047 |
int qemu_chr_ioctl(CharDriverState *s, int cmd, void *arg) |
1048 |
{ |
1049 |
if (!s->chr_ioctl)
|
1050 |
return -ENOTSUP;
|
1051 |
return s->chr_ioctl(s, cmd, arg);
|
1052 |
} |
1053 |
|
1054 |
void qemu_chr_printf(CharDriverState *s, const char *fmt, ...) |
1055 |
{ |
1056 |
char buf[4096]; |
1057 |
va_list ap; |
1058 |
va_start(ap, fmt); |
1059 |
vsnprintf(buf, sizeof(buf), fmt, ap);
|
1060 |
qemu_chr_write(s, buf, strlen(buf)); |
1061 |
va_end(ap); |
1062 |
} |
1063 |
|
1064 |
void qemu_chr_send_event(CharDriverState *s, int event) |
1065 |
{ |
1066 |
if (s->chr_send_event)
|
1067 |
s->chr_send_event(s, event); |
1068 |
} |
1069 |
|
1070 |
void qemu_chr_add_read_handler(CharDriverState *s,
|
1071 |
IOCanRWHandler *fd_can_read, |
1072 |
IOReadHandler *fd_read, void *opaque)
|
1073 |
{ |
1074 |
s->chr_add_read_handler(s, fd_can_read, fd_read, opaque); |
1075 |
} |
1076 |
|
1077 |
void qemu_chr_add_event_handler(CharDriverState *s, IOEventHandler *chr_event)
|
1078 |
{ |
1079 |
s->chr_event = chr_event; |
1080 |
} |
1081 |
|
1082 |
static int null_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
1083 |
{ |
1084 |
return len;
|
1085 |
} |
1086 |
|
1087 |
static void null_chr_add_read_handler(CharDriverState *chr, |
1088 |
IOCanRWHandler *fd_can_read, |
1089 |
IOReadHandler *fd_read, void *opaque)
|
1090 |
{ |
1091 |
} |
1092 |
|
1093 |
CharDriverState *qemu_chr_open_null(void)
|
1094 |
{ |
1095 |
CharDriverState *chr; |
1096 |
|
1097 |
chr = qemu_mallocz(sizeof(CharDriverState));
|
1098 |
if (!chr)
|
1099 |
return NULL; |
1100 |
chr->chr_write = null_chr_write; |
1101 |
chr->chr_add_read_handler = null_chr_add_read_handler; |
1102 |
return chr;
|
1103 |
} |
1104 |
|
1105 |
#ifdef _WIN32
|
1106 |
|
1107 |
#define socket_error() WSAGetLastError()
|
1108 |
#undef EINTR
|
1109 |
#define EWOULDBLOCK WSAEWOULDBLOCK
|
1110 |
#define EINTR WSAEINTR
|
1111 |
#define EINPROGRESS WSAEINPROGRESS
|
1112 |
|
1113 |
static void socket_cleanup(void) |
1114 |
{ |
1115 |
WSACleanup(); |
1116 |
} |
1117 |
|
1118 |
static int socket_init(void) |
1119 |
{ |
1120 |
WSADATA Data; |
1121 |
int ret, err;
|
1122 |
|
1123 |
ret = WSAStartup(MAKEWORD(2,2), &Data); |
1124 |
if (ret != 0) { |
1125 |
err = WSAGetLastError(); |
1126 |
fprintf(stderr, "WSAStartup: %d\n", err);
|
1127 |
return -1; |
1128 |
} |
1129 |
atexit(socket_cleanup); |
1130 |
return 0; |
1131 |
} |
1132 |
|
1133 |
static int send_all(int fd, const uint8_t *buf, int len1) |
1134 |
{ |
1135 |
int ret, len;
|
1136 |
|
1137 |
len = len1; |
1138 |
while (len > 0) { |
1139 |
ret = send(fd, buf, len, 0);
|
1140 |
if (ret < 0) { |
1141 |
int errno;
|
1142 |
errno = WSAGetLastError(); |
1143 |
if (errno != WSAEWOULDBLOCK) {
|
1144 |
return -1; |
1145 |
} |
1146 |
} else if (ret == 0) { |
1147 |
break;
|
1148 |
} else {
|
1149 |
buf += ret; |
1150 |
len -= ret; |
1151 |
} |
1152 |
} |
1153 |
return len1 - len;
|
1154 |
} |
1155 |
|
1156 |
void socket_set_nonblock(int fd) |
1157 |
{ |
1158 |
unsigned long opt = 1; |
1159 |
ioctlsocket(fd, FIONBIO, &opt); |
1160 |
} |
1161 |
|
1162 |
#else
|
1163 |
|
1164 |
#define socket_error() errno
|
1165 |
#define closesocket(s) close(s)
|
1166 |
|
1167 |
static int unix_write(int fd, const uint8_t *buf, int len1) |
1168 |
{ |
1169 |
int ret, len;
|
1170 |
|
1171 |
len = len1; |
1172 |
while (len > 0) { |
1173 |
ret = write(fd, buf, len); |
1174 |
if (ret < 0) { |
1175 |
if (errno != EINTR && errno != EAGAIN)
|
1176 |
return -1; |
1177 |
} else if (ret == 0) { |
1178 |
break;
|
1179 |
} else {
|
1180 |
buf += ret; |
1181 |
len -= ret; |
1182 |
} |
1183 |
} |
1184 |
return len1 - len;
|
1185 |
} |
1186 |
|
1187 |
static inline int send_all(int fd, const uint8_t *buf, int len1) |
1188 |
{ |
1189 |
return unix_write(fd, buf, len1);
|
1190 |
} |
1191 |
|
1192 |
void socket_set_nonblock(int fd) |
1193 |
{ |
1194 |
fcntl(fd, F_SETFL, O_NONBLOCK); |
1195 |
} |
1196 |
#endif /* !_WIN32 */ |
1197 |
|
1198 |
#ifndef _WIN32
|
1199 |
|
1200 |
typedef struct { |
1201 |
int fd_in, fd_out;
|
1202 |
IOCanRWHandler *fd_can_read; |
1203 |
IOReadHandler *fd_read; |
1204 |
void *fd_opaque;
|
1205 |
int max_size;
|
1206 |
} FDCharDriver; |
1207 |
|
1208 |
#define STDIO_MAX_CLIENTS 2 |
1209 |
|
1210 |
static int stdio_nb_clients; |
1211 |
static CharDriverState *stdio_clients[STDIO_MAX_CLIENTS];
|
1212 |
|
1213 |
static int fd_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
1214 |
{ |
1215 |
FDCharDriver *s = chr->opaque; |
1216 |
return unix_write(s->fd_out, buf, len);
|
1217 |
} |
1218 |
|
1219 |
static int fd_chr_read_poll(void *opaque) |
1220 |
{ |
1221 |
CharDriverState *chr = opaque; |
1222 |
FDCharDriver *s = chr->opaque; |
1223 |
|
1224 |
s->max_size = s->fd_can_read(s->fd_opaque); |
1225 |
return s->max_size;
|
1226 |
} |
1227 |
|
1228 |
static void fd_chr_read(void *opaque) |
1229 |
{ |
1230 |
CharDriverState *chr = opaque; |
1231 |
FDCharDriver *s = chr->opaque; |
1232 |
int size, len;
|
1233 |
uint8_t buf[1024];
|
1234 |
|
1235 |
len = sizeof(buf);
|
1236 |
if (len > s->max_size)
|
1237 |
len = s->max_size; |
1238 |
if (len == 0) |
1239 |
return;
|
1240 |
size = read(s->fd_in, buf, len); |
1241 |
if (size > 0) { |
1242 |
s->fd_read(s->fd_opaque, buf, size); |
1243 |
} |
1244 |
} |
1245 |
|
1246 |
static void fd_chr_add_read_handler(CharDriverState *chr, |
1247 |
IOCanRWHandler *fd_can_read, |
1248 |
IOReadHandler *fd_read, void *opaque)
|
1249 |
{ |
1250 |
FDCharDriver *s = chr->opaque; |
1251 |
|
1252 |
if (s->fd_in >= 0) { |
1253 |
s->fd_can_read = fd_can_read; |
1254 |
s->fd_read = fd_read; |
1255 |
s->fd_opaque = opaque; |
1256 |
if (nographic && s->fd_in == 0) { |
1257 |
} else {
|
1258 |
qemu_set_fd_handler2(s->fd_in, fd_chr_read_poll, |
1259 |
fd_chr_read, NULL, chr);
|
1260 |
} |
1261 |
} |
1262 |
} |
1263 |
|
1264 |
/* open a character device to a unix fd */
|
1265 |
CharDriverState *qemu_chr_open_fd(int fd_in, int fd_out) |
1266 |
{ |
1267 |
CharDriverState *chr; |
1268 |
FDCharDriver *s; |
1269 |
|
1270 |
chr = qemu_mallocz(sizeof(CharDriverState));
|
1271 |
if (!chr)
|
1272 |
return NULL; |
1273 |
s = qemu_mallocz(sizeof(FDCharDriver));
|
1274 |
if (!s) {
|
1275 |
free(chr); |
1276 |
return NULL; |
1277 |
} |
1278 |
s->fd_in = fd_in; |
1279 |
s->fd_out = fd_out; |
1280 |
chr->opaque = s; |
1281 |
chr->chr_write = fd_chr_write; |
1282 |
chr->chr_add_read_handler = fd_chr_add_read_handler; |
1283 |
return chr;
|
1284 |
} |
1285 |
|
1286 |
CharDriverState *qemu_chr_open_file_out(const char *file_out) |
1287 |
{ |
1288 |
int fd_out;
|
1289 |
|
1290 |
fd_out = open(file_out, O_WRONLY | O_TRUNC | O_CREAT | O_BINARY, 0666);
|
1291 |
if (fd_out < 0) |
1292 |
return NULL; |
1293 |
return qemu_chr_open_fd(-1, fd_out); |
1294 |
} |
1295 |
|
1296 |
CharDriverState *qemu_chr_open_pipe(const char *filename) |
1297 |
{ |
1298 |
int fd;
|
1299 |
|
1300 |
fd = open(filename, O_RDWR | O_BINARY); |
1301 |
if (fd < 0) |
1302 |
return NULL; |
1303 |
return qemu_chr_open_fd(fd, fd);
|
1304 |
} |
1305 |
|
1306 |
|
1307 |
/* for STDIO, we handle the case where several clients use it
|
1308 |
(nographic mode) */
|
1309 |
|
1310 |
#define TERM_ESCAPE 0x01 /* ctrl-a is used for escape */ |
1311 |
|
1312 |
#define TERM_FIFO_MAX_SIZE 1 |
1313 |
|
1314 |
static int term_got_escape, client_index; |
1315 |
static uint8_t term_fifo[TERM_FIFO_MAX_SIZE];
|
1316 |
int term_fifo_size;
|
1317 |
|
1318 |
void term_print_help(void) |
1319 |
{ |
1320 |
printf("\n"
|
1321 |
"C-a h print this help\n"
|
1322 |
"C-a x exit emulator\n"
|
1323 |
"C-a s save disk data back to file (if -snapshot)\n"
|
1324 |
"C-a b send break (magic sysrq)\n"
|
1325 |
"C-a c switch between console and monitor\n"
|
1326 |
"C-a C-a send C-a\n"
|
1327 |
); |
1328 |
} |
1329 |
|
1330 |
/* called when a char is received */
|
1331 |
static void stdio_received_byte(int ch) |
1332 |
{ |
1333 |
if (term_got_escape) {
|
1334 |
term_got_escape = 0;
|
1335 |
switch(ch) {
|
1336 |
case 'h': |
1337 |
term_print_help(); |
1338 |
break;
|
1339 |
case 'x': |
1340 |
exit(0);
|
1341 |
break;
|
1342 |
case 's': |
1343 |
{ |
1344 |
int i;
|
1345 |
for (i = 0; i < MAX_DISKS; i++) { |
1346 |
if (bs_table[i])
|
1347 |
bdrv_commit(bs_table[i]); |
1348 |
} |
1349 |
} |
1350 |
break;
|
1351 |
case 'b': |
1352 |
if (client_index < stdio_nb_clients) {
|
1353 |
CharDriverState *chr; |
1354 |
FDCharDriver *s; |
1355 |
|
1356 |
chr = stdio_clients[client_index]; |
1357 |
s = chr->opaque; |
1358 |
chr->chr_event(s->fd_opaque, CHR_EVENT_BREAK); |
1359 |
} |
1360 |
break;
|
1361 |
case 'c': |
1362 |
client_index++; |
1363 |
if (client_index >= stdio_nb_clients)
|
1364 |
client_index = 0;
|
1365 |
if (client_index == 0) { |
1366 |
/* send a new line in the monitor to get the prompt */
|
1367 |
ch = '\r';
|
1368 |
goto send_char;
|
1369 |
} |
1370 |
break;
|
1371 |
case TERM_ESCAPE:
|
1372 |
goto send_char;
|
1373 |
} |
1374 |
} else if (ch == TERM_ESCAPE) { |
1375 |
term_got_escape = 1;
|
1376 |
} else {
|
1377 |
send_char:
|
1378 |
if (client_index < stdio_nb_clients) {
|
1379 |
uint8_t buf[1];
|
1380 |
CharDriverState *chr; |
1381 |
FDCharDriver *s; |
1382 |
|
1383 |
chr = stdio_clients[client_index]; |
1384 |
s = chr->opaque; |
1385 |
if (s->fd_can_read(s->fd_opaque) > 0) { |
1386 |
buf[0] = ch;
|
1387 |
s->fd_read(s->fd_opaque, buf, 1);
|
1388 |
} else if (term_fifo_size == 0) { |
1389 |
term_fifo[term_fifo_size++] = ch; |
1390 |
} |
1391 |
} |
1392 |
} |
1393 |
} |
1394 |
|
1395 |
static int stdio_read_poll(void *opaque) |
1396 |
{ |
1397 |
CharDriverState *chr; |
1398 |
FDCharDriver *s; |
1399 |
|
1400 |
if (client_index < stdio_nb_clients) {
|
1401 |
chr = stdio_clients[client_index]; |
1402 |
s = chr->opaque; |
1403 |
/* try to flush the queue if needed */
|
1404 |
if (term_fifo_size != 0 && s->fd_can_read(s->fd_opaque) > 0) { |
1405 |
s->fd_read(s->fd_opaque, term_fifo, 1);
|
1406 |
term_fifo_size = 0;
|
1407 |
} |
1408 |
/* see if we can absorb more chars */
|
1409 |
if (term_fifo_size == 0) |
1410 |
return 1; |
1411 |
else
|
1412 |
return 0; |
1413 |
} else {
|
1414 |
return 1; |
1415 |
} |
1416 |
} |
1417 |
|
1418 |
static void stdio_read(void *opaque) |
1419 |
{ |
1420 |
int size;
|
1421 |
uint8_t buf[1];
|
1422 |
|
1423 |
size = read(0, buf, 1); |
1424 |
if (size > 0) |
1425 |
stdio_received_byte(buf[0]);
|
1426 |
} |
1427 |
|
1428 |
/* init terminal so that we can grab keys */
|
1429 |
static struct termios oldtty; |
1430 |
static int old_fd0_flags; |
1431 |
|
1432 |
static void term_exit(void) |
1433 |
{ |
1434 |
tcsetattr (0, TCSANOW, &oldtty);
|
1435 |
fcntl(0, F_SETFL, old_fd0_flags);
|
1436 |
} |
1437 |
|
1438 |
static void term_init(void) |
1439 |
{ |
1440 |
struct termios tty;
|
1441 |
|
1442 |
tcgetattr (0, &tty);
|
1443 |
oldtty = tty; |
1444 |
old_fd0_flags = fcntl(0, F_GETFL);
|
1445 |
|
1446 |
tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP |
1447 |
|INLCR|IGNCR|ICRNL|IXON); |
1448 |
tty.c_oflag |= OPOST; |
1449 |
tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN); |
1450 |
/* if graphical mode, we allow Ctrl-C handling */
|
1451 |
if (nographic)
|
1452 |
tty.c_lflag &= ~ISIG; |
1453 |
tty.c_cflag &= ~(CSIZE|PARENB); |
1454 |
tty.c_cflag |= CS8; |
1455 |
tty.c_cc[VMIN] = 1;
|
1456 |
tty.c_cc[VTIME] = 0;
|
1457 |
|
1458 |
tcsetattr (0, TCSANOW, &tty);
|
1459 |
|
1460 |
atexit(term_exit); |
1461 |
|
1462 |
fcntl(0, F_SETFL, O_NONBLOCK);
|
1463 |
} |
1464 |
|
1465 |
CharDriverState *qemu_chr_open_stdio(void)
|
1466 |
{ |
1467 |
CharDriverState *chr; |
1468 |
|
1469 |
if (nographic) {
|
1470 |
if (stdio_nb_clients >= STDIO_MAX_CLIENTS)
|
1471 |
return NULL; |
1472 |
chr = qemu_chr_open_fd(0, 1); |
1473 |
if (stdio_nb_clients == 0) |
1474 |
qemu_set_fd_handler2(0, stdio_read_poll, stdio_read, NULL, NULL); |
1475 |
client_index = stdio_nb_clients; |
1476 |
} else {
|
1477 |
if (stdio_nb_clients != 0) |
1478 |
return NULL; |
1479 |
chr = qemu_chr_open_fd(0, 1); |
1480 |
} |
1481 |
stdio_clients[stdio_nb_clients++] = chr; |
1482 |
if (stdio_nb_clients == 1) { |
1483 |
/* set the terminal in raw mode */
|
1484 |
term_init(); |
1485 |
} |
1486 |
return chr;
|
1487 |
} |
1488 |
|
1489 |
#if defined(__linux__)
|
1490 |
CharDriverState *qemu_chr_open_pty(void)
|
1491 |
{ |
1492 |
struct termios tty;
|
1493 |
char slave_name[1024]; |
1494 |
int master_fd, slave_fd;
|
1495 |
|
1496 |
/* Not satisfying */
|
1497 |
if (openpty(&master_fd, &slave_fd, slave_name, NULL, NULL) < 0) { |
1498 |
return NULL; |
1499 |
} |
1500 |
|
1501 |
/* Disabling local echo and line-buffered output */
|
1502 |
tcgetattr (master_fd, &tty); |
1503 |
tty.c_lflag &= ~(ECHO|ICANON|ISIG); |
1504 |
tty.c_cc[VMIN] = 1;
|
1505 |
tty.c_cc[VTIME] = 0;
|
1506 |
tcsetattr (master_fd, TCSAFLUSH, &tty); |
1507 |
|
1508 |
fprintf(stderr, "char device redirected to %s\n", slave_name);
|
1509 |
return qemu_chr_open_fd(master_fd, master_fd);
|
1510 |
} |
1511 |
|
1512 |
static void tty_serial_init(int fd, int speed, |
1513 |
int parity, int data_bits, int stop_bits) |
1514 |
{ |
1515 |
struct termios tty;
|
1516 |
speed_t spd; |
1517 |
|
1518 |
#if 0
|
1519 |
printf("tty_serial_init: speed=%d parity=%c data=%d stop=%d\n",
|
1520 |
speed, parity, data_bits, stop_bits);
|
1521 |
#endif
|
1522 |
tcgetattr (fd, &tty); |
1523 |
|
1524 |
switch(speed) {
|
1525 |
case 50: |
1526 |
spd = B50; |
1527 |
break;
|
1528 |
case 75: |
1529 |
spd = B75; |
1530 |
break;
|
1531 |
case 300: |
1532 |
spd = B300; |
1533 |
break;
|
1534 |
case 600: |
1535 |
spd = B600; |
1536 |
break;
|
1537 |
case 1200: |
1538 |
spd = B1200; |
1539 |
break;
|
1540 |
case 2400: |
1541 |
spd = B2400; |
1542 |
break;
|
1543 |
case 4800: |
1544 |
spd = B4800; |
1545 |
break;
|
1546 |
case 9600: |
1547 |
spd = B9600; |
1548 |
break;
|
1549 |
case 19200: |
1550 |
spd = B19200; |
1551 |
break;
|
1552 |
case 38400: |
1553 |
spd = B38400; |
1554 |
break;
|
1555 |
case 57600: |
1556 |
spd = B57600; |
1557 |
break;
|
1558 |
default:
|
1559 |
case 115200: |
1560 |
spd = B115200; |
1561 |
break;
|
1562 |
} |
1563 |
|
1564 |
cfsetispeed(&tty, spd); |
1565 |
cfsetospeed(&tty, spd); |
1566 |
|
1567 |
tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP |
1568 |
|INLCR|IGNCR|ICRNL|IXON); |
1569 |
tty.c_oflag |= OPOST; |
1570 |
tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN|ISIG); |
1571 |
tty.c_cflag &= ~(CSIZE|PARENB|PARODD|CRTSCTS); |
1572 |
switch(data_bits) {
|
1573 |
default:
|
1574 |
case 8: |
1575 |
tty.c_cflag |= CS8; |
1576 |
break;
|
1577 |
case 7: |
1578 |
tty.c_cflag |= CS7; |
1579 |
break;
|
1580 |
case 6: |
1581 |
tty.c_cflag |= CS6; |
1582 |
break;
|
1583 |
case 5: |
1584 |
tty.c_cflag |= CS5; |
1585 |
break;
|
1586 |
} |
1587 |
switch(parity) {
|
1588 |
default:
|
1589 |
case 'N': |
1590 |
break;
|
1591 |
case 'E': |
1592 |
tty.c_cflag |= PARENB; |
1593 |
break;
|
1594 |
case 'O': |
1595 |
tty.c_cflag |= PARENB | PARODD; |
1596 |
break;
|
1597 |
} |
1598 |
|
1599 |
tcsetattr (fd, TCSANOW, &tty); |
1600 |
} |
1601 |
|
1602 |
static int tty_serial_ioctl(CharDriverState *chr, int cmd, void *arg) |
1603 |
{ |
1604 |
FDCharDriver *s = chr->opaque; |
1605 |
|
1606 |
switch(cmd) {
|
1607 |
case CHR_IOCTL_SERIAL_SET_PARAMS:
|
1608 |
{ |
1609 |
QEMUSerialSetParams *ssp = arg; |
1610 |
tty_serial_init(s->fd_in, ssp->speed, ssp->parity, |
1611 |
ssp->data_bits, ssp->stop_bits); |
1612 |
} |
1613 |
break;
|
1614 |
case CHR_IOCTL_SERIAL_SET_BREAK:
|
1615 |
{ |
1616 |
int enable = *(int *)arg; |
1617 |
if (enable)
|
1618 |
tcsendbreak(s->fd_in, 1);
|
1619 |
} |
1620 |
break;
|
1621 |
default:
|
1622 |
return -ENOTSUP;
|
1623 |
} |
1624 |
return 0; |
1625 |
} |
1626 |
|
1627 |
CharDriverState *qemu_chr_open_tty(const char *filename) |
1628 |
{ |
1629 |
CharDriverState *chr; |
1630 |
int fd;
|
1631 |
|
1632 |
fd = open(filename, O_RDWR | O_NONBLOCK); |
1633 |
if (fd < 0) |
1634 |
return NULL; |
1635 |
fcntl(fd, F_SETFL, O_NONBLOCK); |
1636 |
tty_serial_init(fd, 115200, 'N', 8, 1); |
1637 |
chr = qemu_chr_open_fd(fd, fd); |
1638 |
if (!chr)
|
1639 |
return NULL; |
1640 |
chr->chr_ioctl = tty_serial_ioctl; |
1641 |
return chr;
|
1642 |
} |
1643 |
|
1644 |
static int pp_ioctl(CharDriverState *chr, int cmd, void *arg) |
1645 |
{ |
1646 |
int fd = (int)chr->opaque; |
1647 |
uint8_t b; |
1648 |
|
1649 |
switch(cmd) {
|
1650 |
case CHR_IOCTL_PP_READ_DATA:
|
1651 |
if (ioctl(fd, PPRDATA, &b) < 0) |
1652 |
return -ENOTSUP;
|
1653 |
*(uint8_t *)arg = b; |
1654 |
break;
|
1655 |
case CHR_IOCTL_PP_WRITE_DATA:
|
1656 |
b = *(uint8_t *)arg; |
1657 |
if (ioctl(fd, PPWDATA, &b) < 0) |
1658 |
return -ENOTSUP;
|
1659 |
break;
|
1660 |
case CHR_IOCTL_PP_READ_CONTROL:
|
1661 |
if (ioctl(fd, PPRCONTROL, &b) < 0) |
1662 |
return -ENOTSUP;
|
1663 |
*(uint8_t *)arg = b; |
1664 |
break;
|
1665 |
case CHR_IOCTL_PP_WRITE_CONTROL:
|
1666 |
b = *(uint8_t *)arg; |
1667 |
if (ioctl(fd, PPWCONTROL, &b) < 0) |
1668 |
return -ENOTSUP;
|
1669 |
break;
|
1670 |
case CHR_IOCTL_PP_READ_STATUS:
|
1671 |
if (ioctl(fd, PPRSTATUS, &b) < 0) |
1672 |
return -ENOTSUP;
|
1673 |
*(uint8_t *)arg = b; |
1674 |
break;
|
1675 |
default:
|
1676 |
return -ENOTSUP;
|
1677 |
} |
1678 |
return 0; |
1679 |
} |
1680 |
|
1681 |
CharDriverState *qemu_chr_open_pp(const char *filename) |
1682 |
{ |
1683 |
CharDriverState *chr; |
1684 |
int fd;
|
1685 |
|
1686 |
fd = open(filename, O_RDWR); |
1687 |
if (fd < 0) |
1688 |
return NULL; |
1689 |
|
1690 |
if (ioctl(fd, PPCLAIM) < 0) { |
1691 |
close(fd); |
1692 |
return NULL; |
1693 |
} |
1694 |
|
1695 |
chr = qemu_mallocz(sizeof(CharDriverState));
|
1696 |
if (!chr) {
|
1697 |
close(fd); |
1698 |
return NULL; |
1699 |
} |
1700 |
chr->opaque = (void *)fd;
|
1701 |
chr->chr_write = null_chr_write; |
1702 |
chr->chr_add_read_handler = null_chr_add_read_handler; |
1703 |
chr->chr_ioctl = pp_ioctl; |
1704 |
return chr;
|
1705 |
} |
1706 |
|
1707 |
#else
|
1708 |
CharDriverState *qemu_chr_open_pty(void)
|
1709 |
{ |
1710 |
return NULL; |
1711 |
} |
1712 |
#endif
|
1713 |
|
1714 |
#endif /* !defined(_WIN32) */ |
1715 |
|
1716 |
CharDriverState *qemu_chr_open(const char *filename) |
1717 |
{ |
1718 |
#ifndef _WIN32
|
1719 |
const char *p; |
1720 |
#endif
|
1721 |
|
1722 |
if (!strcmp(filename, "vc")) { |
1723 |
return text_console_init(&display_state);
|
1724 |
} else if (!strcmp(filename, "null")) { |
1725 |
return qemu_chr_open_null();
|
1726 |
} else
|
1727 |
#ifndef _WIN32
|
1728 |
if (strstart(filename, "file:", &p)) { |
1729 |
return qemu_chr_open_file_out(p);
|
1730 |
} else if (strstart(filename, "pipe:", &p)) { |
1731 |
return qemu_chr_open_pipe(p);
|
1732 |
} else if (!strcmp(filename, "pty")) { |
1733 |
return qemu_chr_open_pty();
|
1734 |
} else if (!strcmp(filename, "stdio")) { |
1735 |
return qemu_chr_open_stdio();
|
1736 |
} else
|
1737 |
#endif
|
1738 |
#if defined(__linux__)
|
1739 |
if (strstart(filename, "/dev/parport", NULL)) { |
1740 |
return qemu_chr_open_pp(filename);
|
1741 |
} else
|
1742 |
if (strstart(filename, "/dev/", NULL)) { |
1743 |
return qemu_chr_open_tty(filename);
|
1744 |
} else
|
1745 |
#endif
|
1746 |
{ |
1747 |
return NULL; |
1748 |
} |
1749 |
} |
1750 |
|
1751 |
/***********************************************************/
|
1752 |
/* network device redirectors */
|
1753 |
|
1754 |
void hex_dump(FILE *f, const uint8_t *buf, int size) |
1755 |
{ |
1756 |
int len, i, j, c;
|
1757 |
|
1758 |
for(i=0;i<size;i+=16) { |
1759 |
len = size - i; |
1760 |
if (len > 16) |
1761 |
len = 16;
|
1762 |
fprintf(f, "%08x ", i);
|
1763 |
for(j=0;j<16;j++) { |
1764 |
if (j < len)
|
1765 |
fprintf(f, " %02x", buf[i+j]);
|
1766 |
else
|
1767 |
fprintf(f, " ");
|
1768 |
} |
1769 |
fprintf(f, " ");
|
1770 |
for(j=0;j<len;j++) { |
1771 |
c = buf[i+j]; |
1772 |
if (c < ' ' || c > '~') |
1773 |
c = '.';
|
1774 |
fprintf(f, "%c", c);
|
1775 |
} |
1776 |
fprintf(f, "\n");
|
1777 |
} |
1778 |
} |
1779 |
|
1780 |
static int parse_macaddr(uint8_t *macaddr, const char *p) |
1781 |
{ |
1782 |
int i;
|
1783 |
for(i = 0; i < 6; i++) { |
1784 |
macaddr[i] = strtol(p, (char **)&p, 16); |
1785 |
if (i == 5) { |
1786 |
if (*p != '\0') |
1787 |
return -1; |
1788 |
} else {
|
1789 |
if (*p != ':') |
1790 |
return -1; |
1791 |
p++; |
1792 |
} |
1793 |
} |
1794 |
return 0; |
1795 |
} |
1796 |
|
1797 |
static int get_str_sep(char *buf, int buf_size, const char **pp, int sep) |
1798 |
{ |
1799 |
const char *p, *p1; |
1800 |
int len;
|
1801 |
p = *pp; |
1802 |
p1 = strchr(p, sep); |
1803 |
if (!p1)
|
1804 |
return -1; |
1805 |
len = p1 - p; |
1806 |
p1++; |
1807 |
if (buf_size > 0) { |
1808 |
if (len > buf_size - 1) |
1809 |
len = buf_size - 1;
|
1810 |
memcpy(buf, p, len); |
1811 |
buf[len] = '\0';
|
1812 |
} |
1813 |
*pp = p1; |
1814 |
return 0; |
1815 |
} |
1816 |
|
1817 |
int parse_host_port(struct sockaddr_in *saddr, const char *str) |
1818 |
{ |
1819 |
char buf[512]; |
1820 |
struct hostent *he;
|
1821 |
const char *p, *r; |
1822 |
int port;
|
1823 |
|
1824 |
p = str; |
1825 |
if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) |
1826 |
return -1; |
1827 |
saddr->sin_family = AF_INET; |
1828 |
if (buf[0] == '\0') { |
1829 |
saddr->sin_addr.s_addr = 0;
|
1830 |
} else {
|
1831 |
if (isdigit(buf[0])) { |
1832 |
if (!inet_aton(buf, &saddr->sin_addr))
|
1833 |
return -1; |
1834 |
} else {
|
1835 |
if ((he = gethostbyname(buf)) == NULL) |
1836 |
return - 1; |
1837 |
saddr->sin_addr = *(struct in_addr *)he->h_addr;
|
1838 |
} |
1839 |
} |
1840 |
port = strtol(p, (char **)&r, 0); |
1841 |
if (r == p)
|
1842 |
return -1; |
1843 |
saddr->sin_port = htons(port); |
1844 |
return 0; |
1845 |
} |
1846 |
|
1847 |
/* find or alloc a new VLAN */
|
1848 |
VLANState *qemu_find_vlan(int id)
|
1849 |
{ |
1850 |
VLANState **pvlan, *vlan; |
1851 |
for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) { |
1852 |
if (vlan->id == id)
|
1853 |
return vlan;
|
1854 |
} |
1855 |
vlan = qemu_mallocz(sizeof(VLANState));
|
1856 |
if (!vlan)
|
1857 |
return NULL; |
1858 |
vlan->id = id; |
1859 |
vlan->next = NULL;
|
1860 |
pvlan = &first_vlan; |
1861 |
while (*pvlan != NULL) |
1862 |
pvlan = &(*pvlan)->next; |
1863 |
*pvlan = vlan; |
1864 |
return vlan;
|
1865 |
} |
1866 |
|
1867 |
VLANClientState *qemu_new_vlan_client(VLANState *vlan, |
1868 |
IOReadHandler *fd_read, |
1869 |
IOCanRWHandler *fd_can_read, |
1870 |
void *opaque)
|
1871 |
{ |
1872 |
VLANClientState *vc, **pvc; |
1873 |
vc = qemu_mallocz(sizeof(VLANClientState));
|
1874 |
if (!vc)
|
1875 |
return NULL; |
1876 |
vc->fd_read = fd_read; |
1877 |
vc->fd_can_read = fd_can_read; |
1878 |
vc->opaque = opaque; |
1879 |
vc->vlan = vlan; |
1880 |
|
1881 |
vc->next = NULL;
|
1882 |
pvc = &vlan->first_client; |
1883 |
while (*pvc != NULL) |
1884 |
pvc = &(*pvc)->next; |
1885 |
*pvc = vc; |
1886 |
return vc;
|
1887 |
} |
1888 |
|
1889 |
int qemu_can_send_packet(VLANClientState *vc1)
|
1890 |
{ |
1891 |
VLANState *vlan = vc1->vlan; |
1892 |
VLANClientState *vc; |
1893 |
|
1894 |
for(vc = vlan->first_client; vc != NULL; vc = vc->next) { |
1895 |
if (vc != vc1) {
|
1896 |
if (vc->fd_can_read && !vc->fd_can_read(vc->opaque))
|
1897 |
return 0; |
1898 |
} |
1899 |
} |
1900 |
return 1; |
1901 |
} |
1902 |
|
1903 |
void qemu_send_packet(VLANClientState *vc1, const uint8_t *buf, int size) |
1904 |
{ |
1905 |
VLANState *vlan = vc1->vlan; |
1906 |
VLANClientState *vc; |
1907 |
|
1908 |
#if 0
|
1909 |
printf("vlan %d send:\n", vlan->id);
|
1910 |
hex_dump(stdout, buf, size);
|
1911 |
#endif
|
1912 |
for(vc = vlan->first_client; vc != NULL; vc = vc->next) { |
1913 |
if (vc != vc1) {
|
1914 |
vc->fd_read(vc->opaque, buf, size); |
1915 |
} |
1916 |
} |
1917 |
} |
1918 |
|
1919 |
#if defined(CONFIG_SLIRP)
|
1920 |
|
1921 |
/* slirp network adapter */
|
1922 |
|
1923 |
static int slirp_inited; |
1924 |
static VLANClientState *slirp_vc;
|
1925 |
|
1926 |
int slirp_can_output(void) |
1927 |
{ |
1928 |
return !slirp_vc || qemu_can_send_packet(slirp_vc);
|
1929 |
} |
1930 |
|
1931 |
void slirp_output(const uint8_t *pkt, int pkt_len) |
1932 |
{ |
1933 |
#if 0
|
1934 |
printf("slirp output:\n");
|
1935 |
hex_dump(stdout, pkt, pkt_len);
|
1936 |
#endif
|
1937 |
if (!slirp_vc)
|
1938 |
return;
|
1939 |
qemu_send_packet(slirp_vc, pkt, pkt_len); |
1940 |
} |
1941 |
|
1942 |
static void slirp_receive(void *opaque, const uint8_t *buf, int size) |
1943 |
{ |
1944 |
#if 0
|
1945 |
printf("slirp input:\n");
|
1946 |
hex_dump(stdout, buf, size);
|
1947 |
#endif
|
1948 |
slirp_input(buf, size); |
1949 |
} |
1950 |
|
1951 |
static int net_slirp_init(VLANState *vlan) |
1952 |
{ |
1953 |
if (!slirp_inited) {
|
1954 |
slirp_inited = 1;
|
1955 |
slirp_init(); |
1956 |
} |
1957 |
slirp_vc = qemu_new_vlan_client(vlan, |
1958 |
slirp_receive, NULL, NULL); |
1959 |
snprintf(slirp_vc->info_str, sizeof(slirp_vc->info_str), "user redirector"); |
1960 |
return 0; |
1961 |
} |
1962 |
|
1963 |
static void net_slirp_redir(const char *redir_str) |
1964 |
{ |
1965 |
int is_udp;
|
1966 |
char buf[256], *r; |
1967 |
const char *p; |
1968 |
struct in_addr guest_addr;
|
1969 |
int host_port, guest_port;
|
1970 |
|
1971 |
if (!slirp_inited) {
|
1972 |
slirp_inited = 1;
|
1973 |
slirp_init(); |
1974 |
} |
1975 |
|
1976 |
p = redir_str; |
1977 |
if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) |
1978 |
goto fail;
|
1979 |
if (!strcmp(buf, "tcp")) { |
1980 |
is_udp = 0;
|
1981 |
} else if (!strcmp(buf, "udp")) { |
1982 |
is_udp = 1;
|
1983 |
} else {
|
1984 |
goto fail;
|
1985 |
} |
1986 |
|
1987 |
if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) |
1988 |
goto fail;
|
1989 |
host_port = strtol(buf, &r, 0);
|
1990 |
if (r == buf)
|
1991 |
goto fail;
|
1992 |
|
1993 |
if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) |
1994 |
goto fail;
|
1995 |
if (buf[0] == '\0') { |
1996 |
pstrcpy(buf, sizeof(buf), "10.0.2.15"); |
1997 |
} |
1998 |
if (!inet_aton(buf, &guest_addr))
|
1999 |
goto fail;
|
2000 |
|
2001 |
guest_port = strtol(p, &r, 0);
|
2002 |
if (r == p)
|
2003 |
goto fail;
|
2004 |
|
2005 |
if (slirp_redir(is_udp, host_port, guest_addr, guest_port) < 0) { |
2006 |
fprintf(stderr, "qemu: could not set up redirection\n");
|
2007 |
exit(1);
|
2008 |
} |
2009 |
return;
|
2010 |
fail:
|
2011 |
fprintf(stderr, "qemu: syntax: -redir [tcp|udp]:host-port:[guest-host]:guest-port\n");
|
2012 |
exit(1);
|
2013 |
} |
2014 |
|
2015 |
#ifndef _WIN32
|
2016 |
|
2017 |
char smb_dir[1024]; |
2018 |
|
2019 |
static void smb_exit(void) |
2020 |
{ |
2021 |
DIR *d; |
2022 |
struct dirent *de;
|
2023 |
char filename[1024]; |
2024 |
|
2025 |
/* erase all the files in the directory */
|
2026 |
d = opendir(smb_dir); |
2027 |
for(;;) {
|
2028 |
de = readdir(d); |
2029 |
if (!de)
|
2030 |
break;
|
2031 |
if (strcmp(de->d_name, ".") != 0 && |
2032 |
strcmp(de->d_name, "..") != 0) { |
2033 |
snprintf(filename, sizeof(filename), "%s/%s", |
2034 |
smb_dir, de->d_name); |
2035 |
unlink(filename); |
2036 |
} |
2037 |
} |
2038 |
closedir(d); |
2039 |
rmdir(smb_dir); |
2040 |
} |
2041 |
|
2042 |
/* automatic user mode samba server configuration */
|
2043 |
void net_slirp_smb(const char *exported_dir) |
2044 |
{ |
2045 |
char smb_conf[1024]; |
2046 |
char smb_cmdline[1024]; |
2047 |
FILE *f; |
2048 |
|
2049 |
if (!slirp_inited) {
|
2050 |
slirp_inited = 1;
|
2051 |
slirp_init(); |
2052 |
} |
2053 |
|
2054 |
/* XXX: better tmp dir construction */
|
2055 |
snprintf(smb_dir, sizeof(smb_dir), "/tmp/qemu-smb.%d", getpid()); |
2056 |
if (mkdir(smb_dir, 0700) < 0) { |
2057 |
fprintf(stderr, "qemu: could not create samba server dir '%s'\n", smb_dir);
|
2058 |
exit(1);
|
2059 |
} |
2060 |
snprintf(smb_conf, sizeof(smb_conf), "%s/%s", smb_dir, "smb.conf"); |
2061 |
|
2062 |
f = fopen(smb_conf, "w");
|
2063 |
if (!f) {
|
2064 |
fprintf(stderr, "qemu: could not create samba server configuration file '%s'\n", smb_conf);
|
2065 |
exit(1);
|
2066 |
} |
2067 |
fprintf(f, |
2068 |
"[global]\n"
|
2069 |
"private dir=%s\n"
|
2070 |
"smb ports=0\n"
|
2071 |
"socket address=127.0.0.1\n"
|
2072 |
"pid directory=%s\n"
|
2073 |
"lock directory=%s\n"
|
2074 |
"log file=%s/log.smbd\n"
|
2075 |
"smb passwd file=%s/smbpasswd\n"
|
2076 |
"security = share\n"
|
2077 |
"[qemu]\n"
|
2078 |
"path=%s\n"
|
2079 |
"read only=no\n"
|
2080 |
"guest ok=yes\n",
|
2081 |
smb_dir, |
2082 |
smb_dir, |
2083 |
smb_dir, |
2084 |
smb_dir, |
2085 |
smb_dir, |
2086 |
exported_dir |
2087 |
); |
2088 |
fclose(f); |
2089 |
atexit(smb_exit); |
2090 |
|
2091 |
snprintf(smb_cmdline, sizeof(smb_cmdline), "/usr/sbin/smbd -s %s", |
2092 |
smb_conf); |
2093 |
|
2094 |
slirp_add_exec(0, smb_cmdline, 4, 139); |
2095 |
} |
2096 |
|
2097 |
#endif /* !defined(_WIN32) */ |
2098 |
|
2099 |
#endif /* CONFIG_SLIRP */ |
2100 |
|
2101 |
#if !defined(_WIN32)
|
2102 |
|
2103 |
typedef struct TAPState { |
2104 |
VLANClientState *vc; |
2105 |
int fd;
|
2106 |
} TAPState; |
2107 |
|
2108 |
static void tap_receive(void *opaque, const uint8_t *buf, int size) |
2109 |
{ |
2110 |
TAPState *s = opaque; |
2111 |
int ret;
|
2112 |
for(;;) {
|
2113 |
ret = write(s->fd, buf, size); |
2114 |
if (ret < 0 && (errno == EINTR || errno == EAGAIN)) { |
2115 |
} else {
|
2116 |
break;
|
2117 |
} |
2118 |
} |
2119 |
} |
2120 |
|
2121 |
static void tap_send(void *opaque) |
2122 |
{ |
2123 |
TAPState *s = opaque; |
2124 |
uint8_t buf[4096];
|
2125 |
int size;
|
2126 |
|
2127 |
size = read(s->fd, buf, sizeof(buf));
|
2128 |
if (size > 0) { |
2129 |
qemu_send_packet(s->vc, buf, size); |
2130 |
} |
2131 |
} |
2132 |
|
2133 |
/* fd support */
|
2134 |
|
2135 |
static TAPState *net_tap_fd_init(VLANState *vlan, int fd) |
2136 |
{ |
2137 |
TAPState *s; |
2138 |
|
2139 |
s = qemu_mallocz(sizeof(TAPState));
|
2140 |
if (!s)
|
2141 |
return NULL; |
2142 |
s->fd = fd; |
2143 |
s->vc = qemu_new_vlan_client(vlan, tap_receive, NULL, s);
|
2144 |
qemu_set_fd_handler(s->fd, tap_send, NULL, s);
|
2145 |
snprintf(s->vc->info_str, sizeof(s->vc->info_str), "tap: fd=%d", fd); |
2146 |
return s;
|
2147 |
} |
2148 |
|
2149 |
#ifdef _BSD
|
2150 |
static int tap_open(char *ifname, int ifname_size) |
2151 |
{ |
2152 |
int fd;
|
2153 |
char *dev;
|
2154 |
struct stat s;
|
2155 |
|
2156 |
fd = open("/dev/tap", O_RDWR);
|
2157 |
if (fd < 0) { |
2158 |
fprintf(stderr, "warning: could not open /dev/tap: no virtual network emulation\n");
|
2159 |
return -1; |
2160 |
} |
2161 |
|
2162 |
fstat(fd, &s); |
2163 |
dev = devname(s.st_rdev, S_IFCHR); |
2164 |
pstrcpy(ifname, ifname_size, dev); |
2165 |
|
2166 |
fcntl(fd, F_SETFL, O_NONBLOCK); |
2167 |
return fd;
|
2168 |
} |
2169 |
#else
|
2170 |
static int tap_open(char *ifname, int ifname_size) |
2171 |
{ |
2172 |
struct ifreq ifr;
|
2173 |
int fd, ret;
|
2174 |
|
2175 |
fd = open("/dev/net/tun", O_RDWR);
|
2176 |
if (fd < 0) { |
2177 |
fprintf(stderr, "warning: could not open /dev/net/tun: no virtual network emulation\n");
|
2178 |
return -1; |
2179 |
} |
2180 |
memset(&ifr, 0, sizeof(ifr)); |
2181 |
ifr.ifr_flags = IFF_TAP | IFF_NO_PI; |
2182 |
if (ifname[0] != '\0') |
2183 |
pstrcpy(ifr.ifr_name, IFNAMSIZ, ifname); |
2184 |
else
|
2185 |
pstrcpy(ifr.ifr_name, IFNAMSIZ, "tap%d");
|
2186 |
ret = ioctl(fd, TUNSETIFF, (void *) &ifr);
|
2187 |
if (ret != 0) { |
2188 |
fprintf(stderr, "warning: could not configure /dev/net/tun: no virtual network emulation\n");
|
2189 |
close(fd); |
2190 |
return -1; |
2191 |
} |
2192 |
pstrcpy(ifname, ifname_size, ifr.ifr_name); |
2193 |
fcntl(fd, F_SETFL, O_NONBLOCK); |
2194 |
return fd;
|
2195 |
} |
2196 |
#endif
|
2197 |
|
2198 |
static int net_tap_init(VLANState *vlan, const char *ifname1, |
2199 |
const char *setup_script) |
2200 |
{ |
2201 |
TAPState *s; |
2202 |
int pid, status, fd;
|
2203 |
char *args[3]; |
2204 |
char **parg;
|
2205 |
char ifname[128]; |
2206 |
|
2207 |
if (ifname1 != NULL) |
2208 |
pstrcpy(ifname, sizeof(ifname), ifname1);
|
2209 |
else
|
2210 |
ifname[0] = '\0'; |
2211 |
fd = tap_open(ifname, sizeof(ifname));
|
2212 |
if (fd < 0) |
2213 |
return -1; |
2214 |
|
2215 |
if (!setup_script)
|
2216 |
setup_script = "";
|
2217 |
if (setup_script[0] != '\0') { |
2218 |
/* try to launch network init script */
|
2219 |
pid = fork(); |
2220 |
if (pid >= 0) { |
2221 |
if (pid == 0) { |
2222 |
parg = args; |
2223 |
*parg++ = (char *)setup_script;
|
2224 |
*parg++ = ifname; |
2225 |
*parg++ = NULL;
|
2226 |
execv(setup_script, args); |
2227 |
_exit(1);
|
2228 |
} |
2229 |
while (waitpid(pid, &status, 0) != pid); |
2230 |
if (!WIFEXITED(status) ||
|
2231 |
WEXITSTATUS(status) != 0) {
|
2232 |
fprintf(stderr, "%s: could not launch network script\n",
|
2233 |
setup_script); |
2234 |
return -1; |
2235 |
} |
2236 |
} |
2237 |
} |
2238 |
s = net_tap_fd_init(vlan, fd); |
2239 |
if (!s)
|
2240 |
return -1; |
2241 |
snprintf(s->vc->info_str, sizeof(s->vc->info_str),
|
2242 |
"tap: ifname=%s setup_script=%s", ifname, setup_script);
|
2243 |
return 0; |
2244 |
} |
2245 |
|
2246 |
#endif /* !_WIN32 */ |
2247 |
|
2248 |
/* network connection */
|
2249 |
typedef struct NetSocketState { |
2250 |
VLANClientState *vc; |
2251 |
int fd;
|
2252 |
int state; /* 0 = getting length, 1 = getting data */ |
2253 |
int index;
|
2254 |
int packet_len;
|
2255 |
uint8_t buf[4096];
|
2256 |
struct sockaddr_in dgram_dst; /* contains inet host and port destination iff connectionless (SOCK_DGRAM) */ |
2257 |
} NetSocketState; |
2258 |
|
2259 |
typedef struct NetSocketListenState { |
2260 |
VLANState *vlan; |
2261 |
int fd;
|
2262 |
} NetSocketListenState; |
2263 |
|
2264 |
/* XXX: we consider we can send the whole packet without blocking */
|
2265 |
static void net_socket_receive(void *opaque, const uint8_t *buf, int size) |
2266 |
{ |
2267 |
NetSocketState *s = opaque; |
2268 |
uint32_t len; |
2269 |
len = htonl(size); |
2270 |
|
2271 |
send_all(s->fd, (const uint8_t *)&len, sizeof(len)); |
2272 |
send_all(s->fd, buf, size); |
2273 |
} |
2274 |
|
2275 |
static void net_socket_receive_dgram(void *opaque, const uint8_t *buf, int size) |
2276 |
{ |
2277 |
NetSocketState *s = opaque; |
2278 |
sendto(s->fd, buf, size, 0,
|
2279 |
(struct sockaddr *)&s->dgram_dst, sizeof(s->dgram_dst)); |
2280 |
} |
2281 |
|
2282 |
static void net_socket_send(void *opaque) |
2283 |
{ |
2284 |
NetSocketState *s = opaque; |
2285 |
int l, size, err;
|
2286 |
uint8_t buf1[4096];
|
2287 |
const uint8_t *buf;
|
2288 |
|
2289 |
size = recv(s->fd, buf1, sizeof(buf1), 0); |
2290 |
if (size < 0) { |
2291 |
err = socket_error(); |
2292 |
if (err != EWOULDBLOCK)
|
2293 |
goto eoc;
|
2294 |
} else if (size == 0) { |
2295 |
/* end of connection */
|
2296 |
eoc:
|
2297 |
qemu_set_fd_handler(s->fd, NULL, NULL, NULL); |
2298 |
closesocket(s->fd); |
2299 |
return;
|
2300 |
} |
2301 |
buf = buf1; |
2302 |
while (size > 0) { |
2303 |
/* reassemble a packet from the network */
|
2304 |
switch(s->state) {
|
2305 |
case 0: |
2306 |
l = 4 - s->index;
|
2307 |
if (l > size)
|
2308 |
l = size; |
2309 |
memcpy(s->buf + s->index, buf, l); |
2310 |
buf += l; |
2311 |
size -= l; |
2312 |
s->index += l; |
2313 |
if (s->index == 4) { |
2314 |
/* got length */
|
2315 |
s->packet_len = ntohl(*(uint32_t *)s->buf); |
2316 |
s->index = 0;
|
2317 |
s->state = 1;
|
2318 |
} |
2319 |
break;
|
2320 |
case 1: |
2321 |
l = s->packet_len - s->index; |
2322 |
if (l > size)
|
2323 |
l = size; |
2324 |
memcpy(s->buf + s->index, buf, l); |
2325 |
s->index += l; |
2326 |
buf += l; |
2327 |
size -= l; |
2328 |
if (s->index >= s->packet_len) {
|
2329 |
qemu_send_packet(s->vc, s->buf, s->packet_len); |
2330 |
s->index = 0;
|
2331 |
s->state = 0;
|
2332 |
} |
2333 |
break;
|
2334 |
} |
2335 |
} |
2336 |
} |
2337 |
|
2338 |
static void net_socket_send_dgram(void *opaque) |
2339 |
{ |
2340 |
NetSocketState *s = opaque; |
2341 |
int size;
|
2342 |
|
2343 |
size = recv(s->fd, s->buf, sizeof(s->buf), 0); |
2344 |
if (size < 0) |
2345 |
return;
|
2346 |
if (size == 0) { |
2347 |
/* end of connection */
|
2348 |
qemu_set_fd_handler(s->fd, NULL, NULL, NULL); |
2349 |
return;
|
2350 |
} |
2351 |
qemu_send_packet(s->vc, s->buf, size); |
2352 |
} |
2353 |
|
2354 |
static int net_socket_mcast_create(struct sockaddr_in *mcastaddr) |
2355 |
{ |
2356 |
struct ip_mreq imr;
|
2357 |
int fd;
|
2358 |
int val, ret;
|
2359 |
if (!IN_MULTICAST(ntohl(mcastaddr->sin_addr.s_addr))) {
|
2360 |
fprintf(stderr, "qemu: error: specified mcastaddr \"%s\" (0x%08x) does not contain a multicast address\n",
|
2361 |
inet_ntoa(mcastaddr->sin_addr), |
2362 |
(int)ntohl(mcastaddr->sin_addr.s_addr));
|
2363 |
return -1; |
2364 |
|
2365 |
} |
2366 |
fd = socket(PF_INET, SOCK_DGRAM, 0);
|
2367 |
if (fd < 0) { |
2368 |
perror("socket(PF_INET, SOCK_DGRAM)");
|
2369 |
return -1; |
2370 |
} |
2371 |
|
2372 |
val = 1;
|
2373 |
ret=setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, |
2374 |
(const char *)&val, sizeof(val)); |
2375 |
if (ret < 0) { |
2376 |
perror("setsockopt(SOL_SOCKET, SO_REUSEADDR)");
|
2377 |
goto fail;
|
2378 |
} |
2379 |
|
2380 |
ret = bind(fd, (struct sockaddr *)mcastaddr, sizeof(*mcastaddr)); |
2381 |
if (ret < 0) { |
2382 |
perror("bind");
|
2383 |
goto fail;
|
2384 |
} |
2385 |
|
2386 |
/* Add host to multicast group */
|
2387 |
imr.imr_multiaddr = mcastaddr->sin_addr; |
2388 |
imr.imr_interface.s_addr = htonl(INADDR_ANY); |
2389 |
|
2390 |
ret = setsockopt(fd, IPPROTO_IP, IP_ADD_MEMBERSHIP, |
2391 |
(const char *)&imr, sizeof(struct ip_mreq)); |
2392 |
if (ret < 0) { |
2393 |
perror("setsockopt(IP_ADD_MEMBERSHIP)");
|
2394 |
goto fail;
|
2395 |
} |
2396 |
|
2397 |
/* Force mcast msgs to loopback (eg. several QEMUs in same host */
|
2398 |
val = 1;
|
2399 |
ret=setsockopt(fd, IPPROTO_IP, IP_MULTICAST_LOOP, |
2400 |
(const char *)&val, sizeof(val)); |
2401 |
if (ret < 0) { |
2402 |
perror("setsockopt(SOL_IP, IP_MULTICAST_LOOP)");
|
2403 |
goto fail;
|
2404 |
} |
2405 |
|
2406 |
socket_set_nonblock(fd); |
2407 |
return fd;
|
2408 |
fail:
|
2409 |
if (fd>=0) close(fd); |
2410 |
return -1; |
2411 |
} |
2412 |
|
2413 |
static NetSocketState *net_socket_fd_init_dgram(VLANState *vlan, int fd, |
2414 |
int is_connected)
|
2415 |
{ |
2416 |
struct sockaddr_in saddr;
|
2417 |
int newfd;
|
2418 |
socklen_t saddr_len; |
2419 |
NetSocketState *s; |
2420 |
|
2421 |
/* fd passed: multicast: "learn" dgram_dst address from bound address and save it
|
2422 |
* Because this may be "shared" socket from a "master" process, datagrams would be recv()
|
2423 |
* by ONLY ONE process: we must "clone" this dgram socket --jjo
|
2424 |
*/
|
2425 |
|
2426 |
if (is_connected) {
|
2427 |
if (getsockname(fd, (struct sockaddr *) &saddr, &saddr_len) == 0) { |
2428 |
/* must be bound */
|
2429 |
if (saddr.sin_addr.s_addr==0) { |
2430 |
fprintf(stderr, "qemu: error: init_dgram: fd=%d unbound, cannot setup multicast dst addr\n",
|
2431 |
fd); |
2432 |
return NULL; |
2433 |
} |
2434 |
/* clone dgram socket */
|
2435 |
newfd = net_socket_mcast_create(&saddr); |
2436 |
if (newfd < 0) { |
2437 |
/* error already reported by net_socket_mcast_create() */
|
2438 |
close(fd); |
2439 |
return NULL; |
2440 |
} |
2441 |
/* clone newfd to fd, close newfd */
|
2442 |
dup2(newfd, fd); |
2443 |
close(newfd); |
2444 |
|
2445 |
} else {
|
2446 |
fprintf(stderr, "qemu: error: init_dgram: fd=%d failed getsockname(): %s\n",
|
2447 |
fd, strerror(errno)); |
2448 |
return NULL; |
2449 |
} |
2450 |
} |
2451 |
|
2452 |
s = qemu_mallocz(sizeof(NetSocketState));
|
2453 |
if (!s)
|
2454 |
return NULL; |
2455 |
s->fd = fd; |
2456 |
|
2457 |
s->vc = qemu_new_vlan_client(vlan, net_socket_receive_dgram, NULL, s);
|
2458 |
qemu_set_fd_handler(s->fd, net_socket_send_dgram, NULL, s);
|
2459 |
|
2460 |
/* mcast: save bound address as dst */
|
2461 |
if (is_connected) s->dgram_dst=saddr;
|
2462 |
|
2463 |
snprintf(s->vc->info_str, sizeof(s->vc->info_str),
|
2464 |
"socket: fd=%d (%s mcast=%s:%d)",
|
2465 |
fd, is_connected? "cloned" : "", |
2466 |
inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); |
2467 |
return s;
|
2468 |
} |
2469 |
|
2470 |
static void net_socket_connect(void *opaque) |
2471 |
{ |
2472 |
NetSocketState *s = opaque; |
2473 |
qemu_set_fd_handler(s->fd, net_socket_send, NULL, s);
|
2474 |
} |
2475 |
|
2476 |
static NetSocketState *net_socket_fd_init_stream(VLANState *vlan, int fd, |
2477 |
int is_connected)
|
2478 |
{ |
2479 |
NetSocketState *s; |
2480 |
s = qemu_mallocz(sizeof(NetSocketState));
|
2481 |
if (!s)
|
2482 |
return NULL; |
2483 |
s->fd = fd; |
2484 |
s->vc = qemu_new_vlan_client(vlan, |
2485 |
net_socket_receive, NULL, s);
|
2486 |
snprintf(s->vc->info_str, sizeof(s->vc->info_str),
|
2487 |
"socket: fd=%d", fd);
|
2488 |
if (is_connected) {
|
2489 |
net_socket_connect(s); |
2490 |
} else {
|
2491 |
qemu_set_fd_handler(s->fd, NULL, net_socket_connect, s);
|
2492 |
} |
2493 |
return s;
|
2494 |
} |
2495 |
|
2496 |
static NetSocketState *net_socket_fd_init(VLANState *vlan, int fd, |
2497 |
int is_connected)
|
2498 |
{ |
2499 |
int so_type=-1, optlen=sizeof(so_type); |
2500 |
|
2501 |
if(getsockopt(fd, SOL_SOCKET, SO_TYPE, (char *)&so_type, &optlen)< 0) { |
2502 |
fprintf(stderr, "qemu: error: setsockopt(SO_TYPE) for fd=%d failed\n", fd);
|
2503 |
return NULL; |
2504 |
} |
2505 |
switch(so_type) {
|
2506 |
case SOCK_DGRAM:
|
2507 |
return net_socket_fd_init_dgram(vlan, fd, is_connected);
|
2508 |
case SOCK_STREAM:
|
2509 |
return net_socket_fd_init_stream(vlan, fd, is_connected);
|
2510 |
default:
|
2511 |
/* who knows ... this could be a eg. a pty, do warn and continue as stream */
|
2512 |
fprintf(stderr, "qemu: warning: socket type=%d for fd=%d is not SOCK_DGRAM or SOCK_STREAM\n", so_type, fd);
|
2513 |
return net_socket_fd_init_stream(vlan, fd, is_connected);
|
2514 |
} |
2515 |
return NULL; |
2516 |
} |
2517 |
|
2518 |
static void net_socket_accept(void *opaque) |
2519 |
{ |
2520 |
NetSocketListenState *s = opaque; |
2521 |
NetSocketState *s1; |
2522 |
struct sockaddr_in saddr;
|
2523 |
socklen_t len; |
2524 |
int fd;
|
2525 |
|
2526 |
for(;;) {
|
2527 |
len = sizeof(saddr);
|
2528 |
fd = accept(s->fd, (struct sockaddr *)&saddr, &len);
|
2529 |
if (fd < 0 && errno != EINTR) { |
2530 |
return;
|
2531 |
} else if (fd >= 0) { |
2532 |
break;
|
2533 |
} |
2534 |
} |
2535 |
s1 = net_socket_fd_init(s->vlan, fd, 1);
|
2536 |
if (!s1) {
|
2537 |
close(fd); |
2538 |
} else {
|
2539 |
snprintf(s1->vc->info_str, sizeof(s1->vc->info_str),
|
2540 |
"socket: connection from %s:%d",
|
2541 |
inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); |
2542 |
} |
2543 |
} |
2544 |
|
2545 |
static int net_socket_listen_init(VLANState *vlan, const char *host_str) |
2546 |
{ |
2547 |
NetSocketListenState *s; |
2548 |
int fd, val, ret;
|
2549 |
struct sockaddr_in saddr;
|
2550 |
|
2551 |
if (parse_host_port(&saddr, host_str) < 0) |
2552 |
return -1; |
2553 |
|
2554 |
s = qemu_mallocz(sizeof(NetSocketListenState));
|
2555 |
if (!s)
|
2556 |
return -1; |
2557 |
|
2558 |
fd = socket(PF_INET, SOCK_STREAM, 0);
|
2559 |
if (fd < 0) { |
2560 |
perror("socket");
|
2561 |
return -1; |
2562 |
} |
2563 |
socket_set_nonblock(fd); |
2564 |
|
2565 |
/* allow fast reuse */
|
2566 |
val = 1;
|
2567 |
setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (const char *)&val, sizeof(val)); |
2568 |
|
2569 |
ret = bind(fd, (struct sockaddr *)&saddr, sizeof(saddr)); |
2570 |
if (ret < 0) { |
2571 |
perror("bind");
|
2572 |
return -1; |
2573 |
} |
2574 |
ret = listen(fd, 0);
|
2575 |
if (ret < 0) { |
2576 |
perror("listen");
|
2577 |
return -1; |
2578 |
} |
2579 |
s->vlan = vlan; |
2580 |
s->fd = fd; |
2581 |
qemu_set_fd_handler(fd, net_socket_accept, NULL, s);
|
2582 |
return 0; |
2583 |
} |
2584 |
|
2585 |
static int net_socket_connect_init(VLANState *vlan, const char *host_str) |
2586 |
{ |
2587 |
NetSocketState *s; |
2588 |
int fd, connected, ret, err;
|
2589 |
struct sockaddr_in saddr;
|
2590 |
|
2591 |
if (parse_host_port(&saddr, host_str) < 0) |
2592 |
return -1; |
2593 |
|
2594 |
fd = socket(PF_INET, SOCK_STREAM, 0);
|
2595 |
if (fd < 0) { |
2596 |
perror("socket");
|
2597 |
return -1; |
2598 |
} |
2599 |
socket_set_nonblock(fd); |
2600 |
|
2601 |
connected = 0;
|
2602 |
for(;;) {
|
2603 |
ret = connect(fd, (struct sockaddr *)&saddr, sizeof(saddr)); |
2604 |
if (ret < 0) { |
2605 |
err = socket_error(); |
2606 |
if (err == EINTR || err == EWOULDBLOCK) {
|
2607 |
} else if (err == EINPROGRESS) { |
2608 |
break;
|
2609 |
} else {
|
2610 |
perror("connect");
|
2611 |
closesocket(fd); |
2612 |
return -1; |
2613 |
} |
2614 |
} else {
|
2615 |
connected = 1;
|
2616 |
break;
|
2617 |
} |
2618 |
} |
2619 |
s = net_socket_fd_init(vlan, fd, connected); |
2620 |
if (!s)
|
2621 |
return -1; |
2622 |
snprintf(s->vc->info_str, sizeof(s->vc->info_str),
|
2623 |
"socket: connect to %s:%d",
|
2624 |
inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); |
2625 |
return 0; |
2626 |
} |
2627 |
|
2628 |
static int net_socket_mcast_init(VLANState *vlan, const char *host_str) |
2629 |
{ |
2630 |
NetSocketState *s; |
2631 |
int fd;
|
2632 |
struct sockaddr_in saddr;
|
2633 |
|
2634 |
if (parse_host_port(&saddr, host_str) < 0) |
2635 |
return -1; |
2636 |
|
2637 |
|
2638 |
fd = net_socket_mcast_create(&saddr); |
2639 |
if (fd < 0) |
2640 |
return -1; |
2641 |
|
2642 |
s = net_socket_fd_init(vlan, fd, 0);
|
2643 |
if (!s)
|
2644 |
return -1; |
2645 |
|
2646 |
s->dgram_dst = saddr; |
2647 |
|
2648 |
snprintf(s->vc->info_str, sizeof(s->vc->info_str),
|
2649 |
"socket: mcast=%s:%d",
|
2650 |
inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); |
2651 |
return 0; |
2652 |
|
2653 |
} |
2654 |
|
2655 |
static int get_param_value(char *buf, int buf_size, |
2656 |
const char *tag, const char *str) |
2657 |
{ |
2658 |
const char *p; |
2659 |
char *q;
|
2660 |
char option[128]; |
2661 |
|
2662 |
p = str; |
2663 |
for(;;) {
|
2664 |
q = option; |
2665 |
while (*p != '\0' && *p != '=') { |
2666 |
if ((q - option) < sizeof(option) - 1) |
2667 |
*q++ = *p; |
2668 |
p++; |
2669 |
} |
2670 |
*q = '\0';
|
2671 |
if (*p != '=') |
2672 |
break;
|
2673 |
p++; |
2674 |
if (!strcmp(tag, option)) {
|
2675 |
q = buf; |
2676 |
while (*p != '\0' && *p != ',') { |
2677 |
if ((q - buf) < buf_size - 1) |
2678 |
*q++ = *p; |
2679 |
p++; |
2680 |
} |
2681 |
*q = '\0';
|
2682 |
return q - buf;
|
2683 |
} else {
|
2684 |
while (*p != '\0' && *p != ',') { |
2685 |
p++; |
2686 |
} |
2687 |
} |
2688 |
if (*p != ',') |
2689 |
break;
|
2690 |
p++; |
2691 |
} |
2692 |
return 0; |
2693 |
} |
2694 |
|
2695 |
int net_client_init(const char *str) |
2696 |
{ |
2697 |
const char *p; |
2698 |
char *q;
|
2699 |
char device[64]; |
2700 |
char buf[1024]; |
2701 |
int vlan_id, ret;
|
2702 |
VLANState *vlan; |
2703 |
|
2704 |
p = str; |
2705 |
q = device; |
2706 |
while (*p != '\0' && *p != ',') { |
2707 |
if ((q - device) < sizeof(device) - 1) |
2708 |
*q++ = *p; |
2709 |
p++; |
2710 |
} |
2711 |
*q = '\0';
|
2712 |
if (*p == ',') |
2713 |
p++; |
2714 |
vlan_id = 0;
|
2715 |
if (get_param_value(buf, sizeof(buf), "vlan", p)) { |
2716 |
vlan_id = strtol(buf, NULL, 0); |
2717 |
} |
2718 |
vlan = qemu_find_vlan(vlan_id); |
2719 |
if (!vlan) {
|
2720 |
fprintf(stderr, "Could not create vlan %d\n", vlan_id);
|
2721 |
return -1; |
2722 |
} |
2723 |
if (!strcmp(device, "nic")) { |
2724 |
NICInfo *nd; |
2725 |
uint8_t *macaddr; |
2726 |
|
2727 |
if (nb_nics >= MAX_NICS) {
|
2728 |
fprintf(stderr, "Too Many NICs\n");
|
2729 |
return -1; |
2730 |
} |
2731 |
nd = &nd_table[nb_nics]; |
2732 |
macaddr = nd->macaddr; |
2733 |
macaddr[0] = 0x52; |
2734 |
macaddr[1] = 0x54; |
2735 |
macaddr[2] = 0x00; |
2736 |
macaddr[3] = 0x12; |
2737 |
macaddr[4] = 0x34; |
2738 |
macaddr[5] = 0x56 + nb_nics; |
2739 |
|
2740 |
if (get_param_value(buf, sizeof(buf), "macaddr", p)) { |
2741 |
if (parse_macaddr(macaddr, buf) < 0) { |
2742 |
fprintf(stderr, "invalid syntax for ethernet address\n");
|
2743 |
return -1; |
2744 |
} |
2745 |
} |
2746 |
if (get_param_value(buf, sizeof(buf), "model", p)) { |
2747 |
nd->model = strdup(buf); |
2748 |
} |
2749 |
nd->vlan = vlan; |
2750 |
nb_nics++; |
2751 |
ret = 0;
|
2752 |
} else
|
2753 |
if (!strcmp(device, "none")) { |
2754 |
/* does nothing. It is needed to signal that no network cards
|
2755 |
are wanted */
|
2756 |
ret = 0;
|
2757 |
} else
|
2758 |
#ifdef CONFIG_SLIRP
|
2759 |
if (!strcmp(device, "user")) { |
2760 |
ret = net_slirp_init(vlan); |
2761 |
} else
|
2762 |
#endif
|
2763 |
#ifdef _WIN32
|
2764 |
if (!strcmp(device, "tap")) { |
2765 |
char ifname[64]; |
2766 |
if (get_param_value(ifname, sizeof(ifname), "ifname", p) <= 0) { |
2767 |
fprintf(stderr, "tap: no interface name\n");
|
2768 |
return -1; |
2769 |
} |
2770 |
ret = tap_win32_init(vlan, ifname); |
2771 |
} else
|
2772 |
#else
|
2773 |
if (!strcmp(device, "tap")) { |
2774 |
char ifname[64]; |
2775 |
char setup_script[1024]; |
2776 |
int fd;
|
2777 |
if (get_param_value(buf, sizeof(buf), "fd", p) > 0) { |
2778 |
fd = strtol(buf, NULL, 0); |
2779 |
ret = -1;
|
2780 |
if (net_tap_fd_init(vlan, fd))
|
2781 |
ret = 0;
|
2782 |
} else {
|
2783 |
get_param_value(ifname, sizeof(ifname), "ifname", p); |
2784 |
if (get_param_value(setup_script, sizeof(setup_script), "script", p) == 0) { |
2785 |
pstrcpy(setup_script, sizeof(setup_script), DEFAULT_NETWORK_SCRIPT);
|
2786 |
} |
2787 |
ret = net_tap_init(vlan, ifname, setup_script); |
2788 |
} |
2789 |
} else
|
2790 |
#endif
|
2791 |
if (!strcmp(device, "socket")) { |
2792 |
if (get_param_value(buf, sizeof(buf), "fd", p) > 0) { |
2793 |
int fd;
|
2794 |
fd = strtol(buf, NULL, 0); |
2795 |
ret = -1;
|
2796 |
if (net_socket_fd_init(vlan, fd, 1)) |
2797 |
ret = 0;
|
2798 |
} else if (get_param_value(buf, sizeof(buf), "listen", p) > 0) { |
2799 |
ret = net_socket_listen_init(vlan, buf); |
2800 |
} else if (get_param_value(buf, sizeof(buf), "connect", p) > 0) { |
2801 |
ret = net_socket_connect_init(vlan, buf); |
2802 |
} else if (get_param_value(buf, sizeof(buf), "mcast", p) > 0) { |
2803 |
ret = net_socket_mcast_init(vlan, buf); |
2804 |
} else {
|
2805 |
fprintf(stderr, "Unknown socket options: %s\n", p);
|
2806 |
return -1; |
2807 |
} |
2808 |
} else
|
2809 |
{ |
2810 |
fprintf(stderr, "Unknown network device: %s\n", device);
|
2811 |
return -1; |
2812 |
} |
2813 |
if (ret < 0) { |
2814 |
fprintf(stderr, "Could not initialize device '%s'\n", device);
|
2815 |
} |
2816 |
|
2817 |
return ret;
|
2818 |
} |
2819 |
|
2820 |
void do_info_network(void) |
2821 |
{ |
2822 |
VLANState *vlan; |
2823 |
VLANClientState *vc; |
2824 |
|
2825 |
for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) { |
2826 |
term_printf("VLAN %d devices:\n", vlan->id);
|
2827 |
for(vc = vlan->first_client; vc != NULL; vc = vc->next) |
2828 |
term_printf(" %s\n", vc->info_str);
|
2829 |
} |
2830 |
} |
2831 |
|
2832 |
/***********************************************************/
|
2833 |
/* USB devices */
|
2834 |
|
2835 |
static int usb_device_add(const char *devname) |
2836 |
{ |
2837 |
const char *p; |
2838 |
USBDevice *dev; |
2839 |
int i;
|
2840 |
|
2841 |
if (!vm_usb_hub)
|
2842 |
return -1; |
2843 |
for(i = 0;i < MAX_VM_USB_PORTS; i++) { |
2844 |
if (!vm_usb_ports[i]->dev)
|
2845 |
break;
|
2846 |
} |
2847 |
if (i == MAX_VM_USB_PORTS)
|
2848 |
return -1; |
2849 |
|
2850 |
if (strstart(devname, "host:", &p)) { |
2851 |
dev = usb_host_device_open(p); |
2852 |
if (!dev)
|
2853 |
return -1; |
2854 |
} else if (!strcmp(devname, "mouse")) { |
2855 |
dev = usb_mouse_init(); |
2856 |
if (!dev)
|
2857 |
return -1; |
2858 |
} else {
|
2859 |
return -1; |
2860 |
} |
2861 |
usb_attach(vm_usb_ports[i], dev); |
2862 |
return 0; |
2863 |
} |
2864 |
|
2865 |
static int usb_device_del(const char *devname) |
2866 |
{ |
2867 |
USBDevice *dev; |
2868 |
int bus_num, addr, i;
|
2869 |
const char *p; |
2870 |
|
2871 |
if (!vm_usb_hub)
|
2872 |
return -1; |
2873 |
|
2874 |
p = strchr(devname, '.');
|
2875 |
if (!p)
|
2876 |
return -1; |
2877 |
bus_num = strtoul(devname, NULL, 0); |
2878 |
addr = strtoul(p + 1, NULL, 0); |
2879 |
if (bus_num != 0) |
2880 |
return -1; |
2881 |
for(i = 0;i < MAX_VM_USB_PORTS; i++) { |
2882 |
dev = vm_usb_ports[i]->dev; |
2883 |
if (dev && dev->addr == addr)
|
2884 |
break;
|
2885 |
} |
2886 |
if (i == MAX_VM_USB_PORTS)
|
2887 |
return -1; |
2888 |
usb_attach(vm_usb_ports[i], NULL);
|
2889 |
return 0; |
2890 |
} |
2891 |
|
2892 |
void do_usb_add(const char *devname) |
2893 |
{ |
2894 |
int ret;
|
2895 |
ret = usb_device_add(devname); |
2896 |
if (ret < 0) |
2897 |
term_printf("Could not add USB device '%s'\n", devname);
|
2898 |
} |
2899 |
|
2900 |
void do_usb_del(const char *devname) |
2901 |
{ |
2902 |
int ret;
|
2903 |
ret = usb_device_del(devname); |
2904 |
if (ret < 0) |
2905 |
term_printf("Could not remove USB device '%s'\n", devname);
|
2906 |
} |
2907 |
|
2908 |
void usb_info(void) |
2909 |
{ |
2910 |
USBDevice *dev; |
2911 |
int i;
|
2912 |
const char *speed_str; |
2913 |
|
2914 |
if (!vm_usb_hub) {
|
2915 |
term_printf("USB support not enabled\n");
|
2916 |
return;
|
2917 |
} |
2918 |
|
2919 |
for(i = 0; i < MAX_VM_USB_PORTS; i++) { |
2920 |
dev = vm_usb_ports[i]->dev; |
2921 |
if (dev) {
|
2922 |
term_printf("Hub port %d:\n", i);
|
2923 |
switch(dev->speed) {
|
2924 |
case USB_SPEED_LOW:
|
2925 |
speed_str = "1.5";
|
2926 |
break;
|
2927 |
case USB_SPEED_FULL:
|
2928 |
speed_str = "12";
|
2929 |
break;
|
2930 |
case USB_SPEED_HIGH:
|
2931 |
speed_str = "480";
|
2932 |
break;
|
2933 |
default:
|
2934 |
speed_str = "?";
|
2935 |
break;
|
2936 |
} |
2937 |
term_printf(" Device %d.%d, speed %s Mb/s\n",
|
2938 |
0, dev->addr, speed_str);
|
2939 |
} |
2940 |
} |
2941 |
} |
2942 |
|
2943 |
/***********************************************************/
|
2944 |
/* pid file */
|
2945 |
|
2946 |
static char *pid_filename; |
2947 |
|
2948 |
/* Remove PID file. Called on normal exit */
|
2949 |
|
2950 |
static void remove_pidfile(void) |
2951 |
{ |
2952 |
unlink (pid_filename); |
2953 |
} |
2954 |
|
2955 |
static void create_pidfile(const char *filename) |
2956 |
{ |
2957 |
struct stat pidstat;
|
2958 |
FILE *f; |
2959 |
|
2960 |
/* Try to write our PID to the named file */
|
2961 |
if (stat(filename, &pidstat) < 0) { |
2962 |
if (errno == ENOENT) {
|
2963 |
if ((f = fopen (filename, "w")) == NULL) { |
2964 |
perror("Opening pidfile");
|
2965 |
exit(1);
|
2966 |
} |
2967 |
fprintf(f, "%d\n", getpid());
|
2968 |
fclose(f); |
2969 |
pid_filename = qemu_strdup(filename); |
2970 |
if (!pid_filename) {
|
2971 |
fprintf(stderr, "Could not save PID filename");
|
2972 |
exit(1);
|
2973 |
} |
2974 |
atexit(remove_pidfile); |
2975 |
} |
2976 |
} else {
|
2977 |
fprintf(stderr, "%s already exists. Remove it and try again.\n",
|
2978 |
filename); |
2979 |
exit(1);
|
2980 |
} |
2981 |
} |
2982 |
|
2983 |
/***********************************************************/
|
2984 |
/* dumb display */
|
2985 |
|
2986 |
static void dumb_update(DisplayState *ds, int x, int y, int w, int h) |
2987 |
{ |
2988 |
} |
2989 |
|
2990 |
static void dumb_resize(DisplayState *ds, int w, int h) |
2991 |
{ |
2992 |
} |
2993 |
|
2994 |
static void dumb_refresh(DisplayState *ds) |
2995 |
{ |
2996 |
vga_hw_update(); |
2997 |
} |
2998 |
|
2999 |
void dumb_display_init(DisplayState *ds)
|
3000 |
{ |
3001 |
ds->data = NULL;
|
3002 |
ds->linesize = 0;
|
3003 |
ds->depth = 0;
|
3004 |
ds->dpy_update = dumb_update; |
3005 |
ds->dpy_resize = dumb_resize; |
3006 |
ds->dpy_refresh = dumb_refresh; |
3007 |
} |
3008 |
|
3009 |
#if !defined(CONFIG_SOFTMMU)
|
3010 |
/***********************************************************/
|
3011 |
/* cpu signal handler */
|
3012 |
static void host_segv_handler(int host_signum, siginfo_t *info, |
3013 |
void *puc)
|
3014 |
{ |
3015 |
if (cpu_signal_handler(host_signum, info, puc))
|
3016 |
return;
|
3017 |
if (stdio_nb_clients > 0) |
3018 |
term_exit(); |
3019 |
abort(); |
3020 |
} |
3021 |
#endif
|
3022 |
|
3023 |
/***********************************************************/
|
3024 |
/* I/O handling */
|
3025 |
|
3026 |
#define MAX_IO_HANDLERS 64 |
3027 |
|
3028 |
typedef struct IOHandlerRecord { |
3029 |
int fd;
|
3030 |
IOCanRWHandler *fd_read_poll; |
3031 |
IOHandler *fd_read; |
3032 |
IOHandler *fd_write; |
3033 |
void *opaque;
|
3034 |
/* temporary data */
|
3035 |
struct pollfd *ufd;
|
3036 |
struct IOHandlerRecord *next;
|
3037 |
} IOHandlerRecord; |
3038 |
|
3039 |
static IOHandlerRecord *first_io_handler;
|
3040 |
|
3041 |
/* XXX: fd_read_poll should be suppressed, but an API change is
|
3042 |
necessary in the character devices to suppress fd_can_read(). */
|
3043 |
int qemu_set_fd_handler2(int fd, |
3044 |
IOCanRWHandler *fd_read_poll, |
3045 |
IOHandler *fd_read, |
3046 |
IOHandler *fd_write, |
3047 |
void *opaque)
|
3048 |
{ |
3049 |
IOHandlerRecord **pioh, *ioh; |
3050 |
|
3051 |
if (!fd_read && !fd_write) {
|
3052 |
pioh = &first_io_handler; |
3053 |
for(;;) {
|
3054 |
ioh = *pioh; |
3055 |
if (ioh == NULL) |
3056 |
break;
|
3057 |
if (ioh->fd == fd) {
|
3058 |
*pioh = ioh->next; |
3059 |
qemu_free(ioh); |
3060 |
break;
|
3061 |
} |
3062 |
pioh = &ioh->next; |
3063 |
} |
3064 |
} else {
|
3065 |
for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { |
3066 |
if (ioh->fd == fd)
|
3067 |
goto found;
|
3068 |
} |
3069 |
ioh = qemu_mallocz(sizeof(IOHandlerRecord));
|
3070 |
if (!ioh)
|
3071 |
return -1; |
3072 |
ioh->next = first_io_handler; |
3073 |
first_io_handler = ioh; |
3074 |
found:
|
3075 |
ioh->fd = fd; |
3076 |
ioh->fd_read_poll = fd_read_poll; |
3077 |
ioh->fd_read = fd_read; |
3078 |
ioh->fd_write = fd_write; |
3079 |
ioh->opaque = opaque; |
3080 |
} |
3081 |
return 0; |
3082 |
} |
3083 |
|
3084 |
int qemu_set_fd_handler(int fd, |
3085 |
IOHandler *fd_read, |
3086 |
IOHandler *fd_write, |
3087 |
void *opaque)
|
3088 |
{ |
3089 |
return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque); |
3090 |
} |
3091 |
|
3092 |
/***********************************************************/
|
3093 |
/* savevm/loadvm support */
|
3094 |
|
3095 |
void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size) |
3096 |
{ |
3097 |
fwrite(buf, 1, size, f);
|
3098 |
} |
3099 |
|
3100 |
void qemu_put_byte(QEMUFile *f, int v) |
3101 |
{ |
3102 |
fputc(v, f); |
3103 |
} |
3104 |
|
3105 |
void qemu_put_be16(QEMUFile *f, unsigned int v) |
3106 |
{ |
3107 |
qemu_put_byte(f, v >> 8);
|
3108 |
qemu_put_byte(f, v); |
3109 |
} |
3110 |
|
3111 |
void qemu_put_be32(QEMUFile *f, unsigned int v) |
3112 |
{ |
3113 |
qemu_put_byte(f, v >> 24);
|
3114 |
qemu_put_byte(f, v >> 16);
|
3115 |
qemu_put_byte(f, v >> 8);
|
3116 |
qemu_put_byte(f, v); |
3117 |
} |
3118 |
|
3119 |
void qemu_put_be64(QEMUFile *f, uint64_t v)
|
3120 |
{ |
3121 |
qemu_put_be32(f, v >> 32);
|
3122 |
qemu_put_be32(f, v); |
3123 |
} |
3124 |
|
3125 |
int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size) |
3126 |
{ |
3127 |
return fread(buf, 1, size, f); |
3128 |
} |
3129 |
|
3130 |
int qemu_get_byte(QEMUFile *f)
|
3131 |
{ |
3132 |
int v;
|
3133 |
v = fgetc(f); |
3134 |
if (v == EOF) |
3135 |
return 0; |
3136 |
else
|
3137 |
return v;
|
3138 |
} |
3139 |
|
3140 |
unsigned int qemu_get_be16(QEMUFile *f) |
3141 |
{ |
3142 |
unsigned int v; |
3143 |
v = qemu_get_byte(f) << 8;
|
3144 |
v |= qemu_get_byte(f); |
3145 |
return v;
|
3146 |
} |
3147 |
|
3148 |
unsigned int qemu_get_be32(QEMUFile *f) |
3149 |
{ |
3150 |
unsigned int v; |
3151 |
v = qemu_get_byte(f) << 24;
|
3152 |
v |= qemu_get_byte(f) << 16;
|
3153 |
v |= qemu_get_byte(f) << 8;
|
3154 |
v |= qemu_get_byte(f); |
3155 |
return v;
|
3156 |
} |
3157 |
|
3158 |
uint64_t qemu_get_be64(QEMUFile *f) |
3159 |
{ |
3160 |
uint64_t v; |
3161 |
v = (uint64_t)qemu_get_be32(f) << 32;
|
3162 |
v |= qemu_get_be32(f); |
3163 |
return v;
|
3164 |
} |
3165 |
|
3166 |
int64_t qemu_ftell(QEMUFile *f) |
3167 |
{ |
3168 |
return ftell(f);
|
3169 |
} |
3170 |
|
3171 |
int64_t qemu_fseek(QEMUFile *f, int64_t pos, int whence)
|
3172 |
{ |
3173 |
if (fseek(f, pos, whence) < 0) |
3174 |
return -1; |
3175 |
return ftell(f);
|
3176 |
} |
3177 |
|
3178 |
typedef struct SaveStateEntry { |
3179 |
char idstr[256]; |
3180 |
int instance_id;
|
3181 |
int version_id;
|
3182 |
SaveStateHandler *save_state; |
3183 |
LoadStateHandler *load_state; |
3184 |
void *opaque;
|
3185 |
struct SaveStateEntry *next;
|
3186 |
} SaveStateEntry; |
3187 |
|
3188 |
static SaveStateEntry *first_se;
|
3189 |
|
3190 |
int register_savevm(const char *idstr, |
3191 |
int instance_id,
|
3192 |
int version_id,
|
3193 |
SaveStateHandler *save_state, |
3194 |
LoadStateHandler *load_state, |
3195 |
void *opaque)
|
3196 |
{ |
3197 |
SaveStateEntry *se, **pse; |
3198 |
|
3199 |
se = qemu_malloc(sizeof(SaveStateEntry));
|
3200 |
if (!se)
|
3201 |
return -1; |
3202 |
pstrcpy(se->idstr, sizeof(se->idstr), idstr);
|
3203 |
se->instance_id = instance_id; |
3204 |
se->version_id = version_id; |
3205 |
se->save_state = save_state; |
3206 |
se->load_state = load_state; |
3207 |
se->opaque = opaque; |
3208 |
se->next = NULL;
|
3209 |
|
3210 |
/* add at the end of list */
|
3211 |
pse = &first_se; |
3212 |
while (*pse != NULL) |
3213 |
pse = &(*pse)->next; |
3214 |
*pse = se; |
3215 |
return 0; |
3216 |
} |
3217 |
|
3218 |
#define QEMU_VM_FILE_MAGIC 0x5145564d |
3219 |
#define QEMU_VM_FILE_VERSION 0x00000001 |
3220 |
|
3221 |
int qemu_savevm(const char *filename) |
3222 |
{ |
3223 |
SaveStateEntry *se; |
3224 |
QEMUFile *f; |
3225 |
int len, len_pos, cur_pos, saved_vm_running, ret;
|
3226 |
|
3227 |
saved_vm_running = vm_running; |
3228 |
vm_stop(0);
|
3229 |
|
3230 |
f = fopen(filename, "wb");
|
3231 |
if (!f) {
|
3232 |
ret = -1;
|
3233 |
goto the_end;
|
3234 |
} |
3235 |
|
3236 |
qemu_put_be32(f, QEMU_VM_FILE_MAGIC); |
3237 |
qemu_put_be32(f, QEMU_VM_FILE_VERSION); |
3238 |
|
3239 |
for(se = first_se; se != NULL; se = se->next) { |
3240 |
/* ID string */
|
3241 |
len = strlen(se->idstr); |
3242 |
qemu_put_byte(f, len); |
3243 |
qemu_put_buffer(f, se->idstr, len); |
3244 |
|
3245 |
qemu_put_be32(f, se->instance_id); |
3246 |
qemu_put_be32(f, se->version_id); |
3247 |
|
3248 |
/* record size: filled later */
|
3249 |
len_pos = ftell(f); |
3250 |
qemu_put_be32(f, 0);
|
3251 |
|
3252 |
se->save_state(f, se->opaque); |
3253 |
|
3254 |
/* fill record size */
|
3255 |
cur_pos = ftell(f); |
3256 |
len = ftell(f) - len_pos - 4;
|
3257 |
fseek(f, len_pos, SEEK_SET); |
3258 |
qemu_put_be32(f, len); |
3259 |
fseek(f, cur_pos, SEEK_SET); |
3260 |
} |
3261 |
|
3262 |
fclose(f); |
3263 |
ret = 0;
|
3264 |
the_end:
|
3265 |
if (saved_vm_running)
|
3266 |
vm_start(); |
3267 |
return ret;
|
3268 |
} |
3269 |
|
3270 |
static SaveStateEntry *find_se(const char *idstr, int instance_id) |
3271 |
{ |
3272 |
SaveStateEntry *se; |
3273 |
|
3274 |
for(se = first_se; se != NULL; se = se->next) { |
3275 |
if (!strcmp(se->idstr, idstr) &&
|
3276 |
instance_id == se->instance_id) |
3277 |
return se;
|
3278 |
} |
3279 |
return NULL; |
3280 |
} |
3281 |
|
3282 |
int qemu_loadvm(const char *filename) |
3283 |
{ |
3284 |
SaveStateEntry *se; |
3285 |
QEMUFile *f; |
3286 |
int len, cur_pos, ret, instance_id, record_len, version_id;
|
3287 |
int saved_vm_running;
|
3288 |
unsigned int v; |
3289 |
char idstr[256]; |
3290 |
|
3291 |
saved_vm_running = vm_running; |
3292 |
vm_stop(0);
|
3293 |
|
3294 |
f = fopen(filename, "rb");
|
3295 |
if (!f) {
|
3296 |
ret = -1;
|
3297 |
goto the_end;
|
3298 |
} |
3299 |
|
3300 |
v = qemu_get_be32(f); |
3301 |
if (v != QEMU_VM_FILE_MAGIC)
|
3302 |
goto fail;
|
3303 |
v = qemu_get_be32(f); |
3304 |
if (v != QEMU_VM_FILE_VERSION) {
|
3305 |
fail:
|
3306 |
fclose(f); |
3307 |
ret = -1;
|
3308 |
goto the_end;
|
3309 |
} |
3310 |
for(;;) {
|
3311 |
len = qemu_get_byte(f); |
3312 |
if (feof(f))
|
3313 |
break;
|
3314 |
qemu_get_buffer(f, idstr, len); |
3315 |
idstr[len] = '\0';
|
3316 |
instance_id = qemu_get_be32(f); |
3317 |
version_id = qemu_get_be32(f); |
3318 |
record_len = qemu_get_be32(f); |
3319 |
#if 0
|
3320 |
printf("idstr=%s instance=0x%x version=%d len=%d\n",
|
3321 |
idstr, instance_id, version_id, record_len);
|
3322 |
#endif
|
3323 |
cur_pos = ftell(f); |
3324 |
se = find_se(idstr, instance_id); |
3325 |
if (!se) {
|
3326 |
fprintf(stderr, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n",
|
3327 |
instance_id, idstr); |
3328 |
} else {
|
3329 |
ret = se->load_state(f, se->opaque, version_id); |
3330 |
if (ret < 0) { |
3331 |
fprintf(stderr, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n",
|
3332 |
instance_id, idstr); |
3333 |
} |
3334 |
} |
3335 |
/* always seek to exact end of record */
|
3336 |
qemu_fseek(f, cur_pos + record_len, SEEK_SET); |
3337 |
} |
3338 |
fclose(f); |
3339 |
ret = 0;
|
3340 |
the_end:
|
3341 |
if (saved_vm_running)
|
3342 |
vm_start(); |
3343 |
return ret;
|
3344 |
} |
3345 |
|
3346 |
/***********************************************************/
|
3347 |
/* cpu save/restore */
|
3348 |
|
3349 |
#if defined(TARGET_I386)
|
3350 |
|
3351 |
static void cpu_put_seg(QEMUFile *f, SegmentCache *dt) |
3352 |
{ |
3353 |
qemu_put_be32(f, dt->selector); |
3354 |
qemu_put_betl(f, dt->base); |
3355 |
qemu_put_be32(f, dt->limit); |
3356 |
qemu_put_be32(f, dt->flags); |
3357 |
} |
3358 |
|
3359 |
static void cpu_get_seg(QEMUFile *f, SegmentCache *dt) |
3360 |
{ |
3361 |
dt->selector = qemu_get_be32(f); |
3362 |
dt->base = qemu_get_betl(f); |
3363 |
dt->limit = qemu_get_be32(f); |
3364 |
dt->flags = qemu_get_be32(f); |
3365 |
} |
3366 |
|
3367 |
void cpu_save(QEMUFile *f, void *opaque) |
3368 |
{ |
3369 |
CPUState *env = opaque; |
3370 |
uint16_t fptag, fpus, fpuc, fpregs_format; |
3371 |
uint32_t hflags; |
3372 |
int i;
|
3373 |
|
3374 |
for(i = 0; i < CPU_NB_REGS; i++) |
3375 |
qemu_put_betls(f, &env->regs[i]); |
3376 |
qemu_put_betls(f, &env->eip); |
3377 |
qemu_put_betls(f, &env->eflags); |
3378 |
hflags = env->hflags; /* XXX: suppress most of the redundant hflags */
|
3379 |
qemu_put_be32s(f, &hflags); |
3380 |
|
3381 |
/* FPU */
|
3382 |
fpuc = env->fpuc; |
3383 |
fpus = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11; |
3384 |
fptag = 0;
|
3385 |
for(i = 0; i < 8; i++) { |
3386 |
fptag |= ((!env->fptags[i]) << i); |
3387 |
} |
3388 |
|
3389 |
qemu_put_be16s(f, &fpuc); |
3390 |
qemu_put_be16s(f, &fpus); |
3391 |
qemu_put_be16s(f, &fptag); |
3392 |
|
3393 |
#ifdef USE_X86LDOUBLE
|
3394 |
fpregs_format = 0;
|
3395 |
#else
|
3396 |
fpregs_format = 1;
|
3397 |
#endif
|
3398 |
qemu_put_be16s(f, &fpregs_format); |
3399 |
|
3400 |
for(i = 0; i < 8; i++) { |
3401 |
#ifdef USE_X86LDOUBLE
|
3402 |
{ |
3403 |
uint64_t mant; |
3404 |
uint16_t exp; |
3405 |
/* we save the real CPU data (in case of MMX usage only 'mant'
|
3406 |
contains the MMX register */
|
3407 |
cpu_get_fp80(&mant, &exp, env->fpregs[i].d); |
3408 |
qemu_put_be64(f, mant); |
3409 |
qemu_put_be16(f, exp); |
3410 |
} |
3411 |
#else
|
3412 |
/* if we use doubles for float emulation, we save the doubles to
|
3413 |
avoid losing information in case of MMX usage. It can give
|
3414 |
problems if the image is restored on a CPU where long
|
3415 |
doubles are used instead. */
|
3416 |
qemu_put_be64(f, env->fpregs[i].mmx.MMX_Q(0));
|
3417 |
#endif
|
3418 |
} |
3419 |
|
3420 |
for(i = 0; i < 6; i++) |
3421 |
cpu_put_seg(f, &env->segs[i]); |
3422 |
cpu_put_seg(f, &env->ldt); |
3423 |
cpu_put_seg(f, &env->tr); |
3424 |
cpu_put_seg(f, &env->gdt); |
3425 |
cpu_put_seg(f, &env->idt); |
3426 |
|
3427 |
qemu_put_be32s(f, &env->sysenter_cs); |
3428 |
qemu_put_be32s(f, &env->sysenter_esp); |
3429 |
qemu_put_be32s(f, &env->sysenter_eip); |
3430 |
|
3431 |
qemu_put_betls(f, &env->cr[0]);
|
3432 |
qemu_put_betls(f, &env->cr[2]);
|
3433 |
qemu_put_betls(f, &env->cr[3]);
|
3434 |
qemu_put_betls(f, &env->cr[4]);
|
3435 |
|
3436 |
for(i = 0; i < 8; i++) |
3437 |
qemu_put_betls(f, &env->dr[i]); |
3438 |
|
3439 |
/* MMU */
|
3440 |
qemu_put_be32s(f, &env->a20_mask); |
3441 |
|
3442 |
/* XMM */
|
3443 |
qemu_put_be32s(f, &env->mxcsr); |
3444 |
for(i = 0; i < CPU_NB_REGS; i++) { |
3445 |
qemu_put_be64s(f, &env->xmm_regs[i].XMM_Q(0));
|
3446 |
qemu_put_be64s(f, &env->xmm_regs[i].XMM_Q(1));
|
3447 |
} |
3448 |
|
3449 |
#ifdef TARGET_X86_64
|
3450 |
qemu_put_be64s(f, &env->efer); |
3451 |
qemu_put_be64s(f, &env->star); |
3452 |
qemu_put_be64s(f, &env->lstar); |
3453 |
qemu_put_be64s(f, &env->cstar); |
3454 |
qemu_put_be64s(f, &env->fmask); |
3455 |
qemu_put_be64s(f, &env->kernelgsbase); |
3456 |
#endif
|
3457 |
} |
3458 |
|
3459 |
#ifdef USE_X86LDOUBLE
|
3460 |
/* XXX: add that in a FPU generic layer */
|
3461 |
union x86_longdouble {
|
3462 |
uint64_t mant; |
3463 |
uint16_t exp; |
3464 |
}; |
3465 |
|
3466 |
#define MANTD1(fp) (fp & ((1LL << 52) - 1)) |
3467 |
#define EXPBIAS1 1023 |
3468 |
#define EXPD1(fp) ((fp >> 52) & 0x7FF) |
3469 |
#define SIGND1(fp) ((fp >> 32) & 0x80000000) |
3470 |
|
3471 |
static void fp64_to_fp80(union x86_longdouble *p, uint64_t temp) |
3472 |
{ |
3473 |
int e;
|
3474 |
/* mantissa */
|
3475 |
p->mant = (MANTD1(temp) << 11) | (1LL << 63); |
3476 |
/* exponent + sign */
|
3477 |
e = EXPD1(temp) - EXPBIAS1 + 16383;
|
3478 |
e |= SIGND1(temp) >> 16;
|
3479 |
p->exp = e; |
3480 |
} |
3481 |
#endif
|
3482 |
|
3483 |
int cpu_load(QEMUFile *f, void *opaque, int version_id) |
3484 |
{ |
3485 |
CPUState *env = opaque; |
3486 |
int i, guess_mmx;
|
3487 |
uint32_t hflags; |
3488 |
uint16_t fpus, fpuc, fptag, fpregs_format; |
3489 |
|
3490 |
if (version_id != 3) |
3491 |
return -EINVAL;
|
3492 |
for(i = 0; i < CPU_NB_REGS; i++) |
3493 |
qemu_get_betls(f, &env->regs[i]); |
3494 |
qemu_get_betls(f, &env->eip); |
3495 |
qemu_get_betls(f, &env->eflags); |
3496 |
qemu_get_be32s(f, &hflags); |
3497 |
|
3498 |
qemu_get_be16s(f, &fpuc); |
3499 |
qemu_get_be16s(f, &fpus); |
3500 |
qemu_get_be16s(f, &fptag); |
3501 |
qemu_get_be16s(f, &fpregs_format); |
3502 |
|
3503 |
/* NOTE: we cannot always restore the FPU state if the image come
|
3504 |
from a host with a different 'USE_X86LDOUBLE' define. We guess
|
3505 |
if we are in an MMX state to restore correctly in that case. */
|
3506 |
guess_mmx = ((fptag == 0xff) && (fpus & 0x3800) == 0); |
3507 |
for(i = 0; i < 8; i++) { |
3508 |
uint64_t mant; |
3509 |
uint16_t exp; |
3510 |
|
3511 |
switch(fpregs_format) {
|
3512 |
case 0: |
3513 |
mant = qemu_get_be64(f); |
3514 |
exp = qemu_get_be16(f); |
3515 |
#ifdef USE_X86LDOUBLE
|
3516 |
env->fpregs[i].d = cpu_set_fp80(mant, exp); |
3517 |
#else
|
3518 |
/* difficult case */
|
3519 |
if (guess_mmx)
|
3520 |
env->fpregs[i].mmx.MMX_Q(0) = mant;
|
3521 |
else
|
3522 |
env->fpregs[i].d = cpu_set_fp80(mant, exp); |
3523 |
#endif
|
3524 |
break;
|
3525 |
case 1: |
3526 |
mant = qemu_get_be64(f); |
3527 |
#ifdef USE_X86LDOUBLE
|
3528 |
{ |
3529 |
union x86_longdouble *p;
|
3530 |
/* difficult case */
|
3531 |
p = (void *)&env->fpregs[i];
|
3532 |
if (guess_mmx) {
|
3533 |
p->mant = mant; |
3534 |
p->exp = 0xffff;
|
3535 |
} else {
|
3536 |
fp64_to_fp80(p, mant); |
3537 |
} |
3538 |
} |
3539 |
#else
|
3540 |
env->fpregs[i].mmx.MMX_Q(0) = mant;
|
3541 |
#endif
|
3542 |
break;
|
3543 |
default:
|
3544 |
return -EINVAL;
|
3545 |
} |
3546 |
} |
3547 |
|
3548 |
env->fpuc = fpuc; |
3549 |
/* XXX: restore FPU round state */
|
3550 |
env->fpstt = (fpus >> 11) & 7; |
3551 |
env->fpus = fpus & ~0x3800;
|
3552 |
fptag ^= 0xff;
|
3553 |
for(i = 0; i < 8; i++) { |
3554 |
env->fptags[i] = (fptag >> i) & 1;
|
3555 |
} |
3556 |
|
3557 |
for(i = 0; i < 6; i++) |
3558 |
cpu_get_seg(f, &env->segs[i]); |
3559 |
cpu_get_seg(f, &env->ldt); |
3560 |
cpu_get_seg(f, &env->tr); |
3561 |
cpu_get_seg(f, &env->gdt); |
3562 |
cpu_get_seg(f, &env->idt); |
3563 |
|
3564 |
qemu_get_be32s(f, &env->sysenter_cs); |
3565 |
qemu_get_be32s(f, &env->sysenter_esp); |
3566 |
qemu_get_be32s(f, &env->sysenter_eip); |
3567 |
|
3568 |
qemu_get_betls(f, &env->cr[0]);
|
3569 |
qemu_get_betls(f, &env->cr[2]);
|
3570 |
qemu_get_betls(f, &env->cr[3]);
|
3571 |
qemu_get_betls(f, &env->cr[4]);
|
3572 |
|
3573 |
for(i = 0; i < 8; i++) |
3574 |
qemu_get_betls(f, &env->dr[i]); |
3575 |
|
3576 |
/* MMU */
|
3577 |
qemu_get_be32s(f, &env->a20_mask); |
3578 |
|
3579 |
qemu_get_be32s(f, &env->mxcsr); |
3580 |
for(i = 0; i < CPU_NB_REGS; i++) { |
3581 |
qemu_get_be64s(f, &env->xmm_regs[i].XMM_Q(0));
|
3582 |
qemu_get_be64s(f, &env->xmm_regs[i].XMM_Q(1));
|
3583 |
} |
3584 |
|
3585 |
#ifdef TARGET_X86_64
|
3586 |
qemu_get_be64s(f, &env->efer); |
3587 |
qemu_get_be64s(f, &env->star); |
3588 |
qemu_get_be64s(f, &env->lstar); |
3589 |
qemu_get_be64s(f, &env->cstar); |
3590 |
qemu_get_be64s(f, &env->fmask); |
3591 |
qemu_get_be64s(f, &env->kernelgsbase); |
3592 |
#endif
|
3593 |
|
3594 |
/* XXX: compute hflags from scratch, except for CPL and IIF */
|
3595 |
env->hflags = hflags; |
3596 |
tlb_flush(env, 1);
|
3597 |
return 0; |
3598 |
} |
3599 |
|
3600 |
#elif defined(TARGET_PPC)
|
3601 |
void cpu_save(QEMUFile *f, void *opaque) |
3602 |
{ |
3603 |
} |
3604 |
|
3605 |
int cpu_load(QEMUFile *f, void *opaque, int version_id) |
3606 |
{ |
3607 |
return 0; |
3608 |
} |
3609 |
|
3610 |
#elif defined(TARGET_MIPS)
|
3611 |
void cpu_save(QEMUFile *f, void *opaque) |
3612 |
{ |
3613 |
} |
3614 |
|
3615 |
int cpu_load(QEMUFile *f, void *opaque, int version_id) |
3616 |
{ |
3617 |
return 0; |
3618 |
} |
3619 |
|
3620 |
#elif defined(TARGET_SPARC)
|
3621 |
void cpu_save(QEMUFile *f, void *opaque) |
3622 |
{ |
3623 |
CPUState *env = opaque; |
3624 |
int i;
|
3625 |
uint32_t tmp; |
3626 |
|
3627 |
for(i = 0; i < 8; i++) |
3628 |
qemu_put_betls(f, &env->gregs[i]); |
3629 |
for(i = 0; i < NWINDOWS * 16; i++) |
3630 |
qemu_put_betls(f, &env->regbase[i]); |
3631 |
|
3632 |
/* FPU */
|
3633 |
for(i = 0; i < TARGET_FPREGS; i++) { |
3634 |
union {
|
3635 |
TARGET_FPREG_T f; |
3636 |
target_ulong i; |
3637 |
} u; |
3638 |
u.f = env->fpr[i]; |
3639 |
qemu_put_betl(f, u.i); |
3640 |
} |
3641 |
|
3642 |
qemu_put_betls(f, &env->pc); |
3643 |
qemu_put_betls(f, &env->npc); |
3644 |
qemu_put_betls(f, &env->y); |
3645 |
tmp = GET_PSR(env); |
3646 |
qemu_put_be32(f, tmp); |
3647 |
qemu_put_betls(f, &env->fsr); |
3648 |
qemu_put_betls(f, &env->tbr); |
3649 |
#ifndef TARGET_SPARC64
|
3650 |
qemu_put_be32s(f, &env->wim); |
3651 |
/* MMU */
|
3652 |
for(i = 0; i < 16; i++) |
3653 |
qemu_put_be32s(f, &env->mmuregs[i]); |
3654 |
#endif
|
3655 |
} |
3656 |
|
3657 |
int cpu_load(QEMUFile *f, void *opaque, int version_id) |
3658 |
{ |
3659 |
CPUState *env = opaque; |
3660 |
int i;
|
3661 |
uint32_t tmp; |
3662 |
|
3663 |
for(i = 0; i < 8; i++) |
3664 |
qemu_get_betls(f, &env->gregs[i]); |
3665 |
for(i = 0; i < NWINDOWS * 16; i++) |
3666 |
qemu_get_betls(f, &env->regbase[i]); |
3667 |
|
3668 |
/* FPU */
|
3669 |
for(i = 0; i < TARGET_FPREGS; i++) { |
3670 |
union {
|
3671 |
TARGET_FPREG_T f; |
3672 |
target_ulong i; |
3673 |
} u; |
3674 |
u.i = qemu_get_betl(f); |
3675 |
env->fpr[i] = u.f; |
3676 |
} |
3677 |
|
3678 |
qemu_get_betls(f, &env->pc); |
3679 |
qemu_get_betls(f, &env->npc); |
3680 |
qemu_get_betls(f, &env->y); |
3681 |
tmp = qemu_get_be32(f); |
3682 |
env->cwp = 0; /* needed to ensure that the wrapping registers are |
3683 |
correctly updated */
|
3684 |
PUT_PSR(env, tmp); |
3685 |
qemu_get_betls(f, &env->fsr); |
3686 |
qemu_get_betls(f, &env->tbr); |
3687 |
#ifndef TARGET_SPARC64
|
3688 |
qemu_get_be32s(f, &env->wim); |
3689 |
/* MMU */
|
3690 |
for(i = 0; i < 16; i++) |
3691 |
qemu_get_be32s(f, &env->mmuregs[i]); |
3692 |
#endif
|
3693 |
tlb_flush(env, 1);
|
3694 |
return 0; |
3695 |
} |
3696 |
|
3697 |
#elif defined(TARGET_ARM)
|
3698 |
|
3699 |
/* ??? Need to implement these. */
|
3700 |
void cpu_save(QEMUFile *f, void *opaque) |
3701 |
{ |
3702 |
} |
3703 |
|
3704 |
int cpu_load(QEMUFile *f, void *opaque, int version_id) |
3705 |
{ |
3706 |
return 0; |
3707 |
} |
3708 |
|
3709 |
#else
|
3710 |
|
3711 |
#warning No CPU save/restore functions
|
3712 |
|
3713 |
#endif
|
3714 |
|
3715 |
/***********************************************************/
|
3716 |
/* ram save/restore */
|
3717 |
|
3718 |
/* we just avoid storing empty pages */
|
3719 |
static void ram_put_page(QEMUFile *f, const uint8_t *buf, int len) |
3720 |
{ |
3721 |
int i, v;
|
3722 |
|
3723 |
v = buf[0];
|
3724 |
for(i = 1; i < len; i++) { |
3725 |
if (buf[i] != v)
|
3726 |
goto normal_save;
|
3727 |
} |
3728 |
qemu_put_byte(f, 1);
|
3729 |
qemu_put_byte(f, v); |
3730 |
return;
|
3731 |
normal_save:
|
3732 |
qemu_put_byte(f, 0);
|
3733 |
qemu_put_buffer(f, buf, len); |
3734 |
} |
3735 |
|
3736 |
static int ram_get_page(QEMUFile *f, uint8_t *buf, int len) |
3737 |
{ |
3738 |
int v;
|
3739 |
|
3740 |
v = qemu_get_byte(f); |
3741 |
switch(v) {
|
3742 |
case 0: |
3743 |
if (qemu_get_buffer(f, buf, len) != len)
|
3744 |
return -EIO;
|
3745 |
break;
|
3746 |
case 1: |
3747 |
v = qemu_get_byte(f); |
3748 |
memset(buf, v, len); |
3749 |
break;
|
3750 |
default:
|
3751 |
return -EINVAL;
|
3752 |
} |
3753 |
return 0; |
3754 |
} |
3755 |
|
3756 |
static void ram_save(QEMUFile *f, void *opaque) |
3757 |
{ |
3758 |
int i;
|
3759 |
qemu_put_be32(f, phys_ram_size); |
3760 |
for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) { |
3761 |
ram_put_page(f, phys_ram_base + i, TARGET_PAGE_SIZE); |
3762 |
} |
3763 |
} |
3764 |
|
3765 |
static int ram_load(QEMUFile *f, void *opaque, int version_id) |
3766 |
{ |
3767 |
int i, ret;
|
3768 |
|
3769 |
if (version_id != 1) |
3770 |
return -EINVAL;
|
3771 |
if (qemu_get_be32(f) != phys_ram_size)
|
3772 |
return -EINVAL;
|
3773 |
for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) { |
3774 |
ret = ram_get_page(f, phys_ram_base + i, TARGET_PAGE_SIZE); |
3775 |
if (ret)
|
3776 |
return ret;
|
3777 |
} |
3778 |
return 0; |
3779 |
} |
3780 |
|
3781 |
/***********************************************************/
|
3782 |
/* machine registration */
|
3783 |
|
3784 |
QEMUMachine *first_machine = NULL;
|
3785 |
|
3786 |
int qemu_register_machine(QEMUMachine *m)
|
3787 |
{ |
3788 |
QEMUMachine **pm; |
3789 |
pm = &first_machine; |
3790 |
while (*pm != NULL) |
3791 |
pm = &(*pm)->next; |
3792 |
m->next = NULL;
|
3793 |
*pm = m; |
3794 |
return 0; |
3795 |
} |
3796 |
|
3797 |
QEMUMachine *find_machine(const char *name) |
3798 |
{ |
3799 |
QEMUMachine *m; |
3800 |
|
3801 |
for(m = first_machine; m != NULL; m = m->next) { |
3802 |
if (!strcmp(m->name, name))
|
3803 |
return m;
|
3804 |
} |
3805 |
return NULL; |
3806 |
} |
3807 |
|
3808 |
/***********************************************************/
|
3809 |
/* main execution loop */
|
3810 |
|
3811 |
void gui_update(void *opaque) |
3812 |
{ |
3813 |
display_state.dpy_refresh(&display_state); |
3814 |
qemu_mod_timer(gui_timer, GUI_REFRESH_INTERVAL + qemu_get_clock(rt_clock)); |
3815 |
} |
3816 |
|
3817 |
struct vm_change_state_entry {
|
3818 |
VMChangeStateHandler *cb; |
3819 |
void *opaque;
|
3820 |
LIST_ENTRY (vm_change_state_entry) entries; |
3821 |
}; |
3822 |
|
3823 |
static LIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
|
3824 |
|
3825 |
VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb, |
3826 |
void *opaque)
|
3827 |
{ |
3828 |
VMChangeStateEntry *e; |
3829 |
|
3830 |
e = qemu_mallocz(sizeof (*e));
|
3831 |
if (!e)
|
3832 |
return NULL; |
3833 |
|
3834 |
e->cb = cb; |
3835 |
e->opaque = opaque; |
3836 |
LIST_INSERT_HEAD(&vm_change_state_head, e, entries); |
3837 |
return e;
|
3838 |
} |
3839 |
|
3840 |
void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
|
3841 |
{ |
3842 |
LIST_REMOVE (e, entries); |
3843 |
qemu_free (e); |
3844 |
} |
3845 |
|
3846 |
static void vm_state_notify(int running) |
3847 |
{ |
3848 |
VMChangeStateEntry *e; |
3849 |
|
3850 |
for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
|
3851 |
e->cb(e->opaque, running); |
3852 |
} |
3853 |
} |
3854 |
|
3855 |
/* XXX: support several handlers */
|
3856 |
static VMStopHandler *vm_stop_cb;
|
3857 |
static void *vm_stop_opaque; |
3858 |
|
3859 |
int qemu_add_vm_stop_handler(VMStopHandler *cb, void *opaque) |
3860 |
{ |
3861 |
vm_stop_cb = cb; |
3862 |
vm_stop_opaque = opaque; |
3863 |
return 0; |
3864 |
} |
3865 |
|
3866 |
void qemu_del_vm_stop_handler(VMStopHandler *cb, void *opaque) |
3867 |
{ |
3868 |
vm_stop_cb = NULL;
|
3869 |
} |
3870 |
|
3871 |
void vm_start(void) |
3872 |
{ |
3873 |
if (!vm_running) {
|
3874 |
cpu_enable_ticks(); |
3875 |
vm_running = 1;
|
3876 |
vm_state_notify(1);
|
3877 |
} |
3878 |
} |
3879 |
|
3880 |
void vm_stop(int reason) |
3881 |
{ |
3882 |
if (vm_running) {
|
3883 |
cpu_disable_ticks(); |
3884 |
vm_running = 0;
|
3885 |
if (reason != 0) { |
3886 |
if (vm_stop_cb) {
|
3887 |
vm_stop_cb(vm_stop_opaque, reason); |
3888 |
} |
3889 |
} |
3890 |
vm_state_notify(0);
|
3891 |
} |
3892 |
} |
3893 |
|
3894 |
/* reset/shutdown handler */
|
3895 |
|
3896 |
typedef struct QEMUResetEntry { |
3897 |
QEMUResetHandler *func; |
3898 |
void *opaque;
|
3899 |
struct QEMUResetEntry *next;
|
3900 |
} QEMUResetEntry; |
3901 |
|
3902 |
static QEMUResetEntry *first_reset_entry;
|
3903 |
static int reset_requested; |
3904 |
static int shutdown_requested; |
3905 |
static int powerdown_requested; |
3906 |
|
3907 |
void qemu_register_reset(QEMUResetHandler *func, void *opaque) |
3908 |
{ |
3909 |
QEMUResetEntry **pre, *re; |
3910 |
|
3911 |
pre = &first_reset_entry; |
3912 |
while (*pre != NULL) |
3913 |
pre = &(*pre)->next; |
3914 |
re = qemu_mallocz(sizeof(QEMUResetEntry));
|
3915 |
re->func = func; |
3916 |
re->opaque = opaque; |
3917 |
re->next = NULL;
|
3918 |
*pre = re; |
3919 |
} |
3920 |
|
3921 |
void qemu_system_reset(void) |
3922 |
{ |
3923 |
QEMUResetEntry *re; |
3924 |
|
3925 |
/* reset all devices */
|
3926 |
for(re = first_reset_entry; re != NULL; re = re->next) { |
3927 |
re->func(re->opaque); |
3928 |
} |
3929 |
} |
3930 |
|
3931 |
void qemu_system_reset_request(void) |
3932 |
{ |
3933 |
reset_requested = 1;
|
3934 |
if (cpu_single_env)
|
3935 |
cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); |
3936 |
} |
3937 |
|
3938 |
void qemu_system_shutdown_request(void) |
3939 |
{ |
3940 |
shutdown_requested = 1;
|
3941 |
if (cpu_single_env)
|
3942 |
cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); |
3943 |
} |
3944 |
|
3945 |
void qemu_system_powerdown_request(void) |
3946 |
{ |
3947 |
powerdown_requested = 1;
|
3948 |
if (cpu_single_env)
|
3949 |
cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); |
3950 |
} |
3951 |
|
3952 |
void main_loop_wait(int timeout) |
3953 |
{ |
3954 |
IOHandlerRecord *ioh, *ioh_next; |
3955 |
fd_set rfds, wfds; |
3956 |
int ret, nfds;
|
3957 |
struct timeval tv;
|
3958 |
|
3959 |
#ifdef _WIN32
|
3960 |
/* XXX: see how to merge it with the select. The constraint is
|
3961 |
that the select must be interrupted by the timer */
|
3962 |
if (timeout > 0) |
3963 |
Sleep(timeout); |
3964 |
#endif
|
3965 |
/* poll any events */
|
3966 |
/* XXX: separate device handlers from system ones */
|
3967 |
nfds = -1;
|
3968 |
FD_ZERO(&rfds); |
3969 |
FD_ZERO(&wfds); |
3970 |
for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { |
3971 |
if (ioh->fd_read &&
|
3972 |
(!ioh->fd_read_poll || |
3973 |
ioh->fd_read_poll(ioh->opaque) != 0)) {
|
3974 |
FD_SET(ioh->fd, &rfds); |
3975 |
if (ioh->fd > nfds)
|
3976 |
nfds = ioh->fd; |
3977 |
} |
3978 |
if (ioh->fd_write) {
|
3979 |
FD_SET(ioh->fd, &wfds); |
3980 |
if (ioh->fd > nfds)
|
3981 |
nfds = ioh->fd; |
3982 |
} |
3983 |
} |
3984 |
|
3985 |
tv.tv_sec = 0;
|
3986 |
#ifdef _WIN32
|
3987 |
tv.tv_usec = 0;
|
3988 |
#else
|
3989 |
tv.tv_usec = timeout * 1000;
|
3990 |
#endif
|
3991 |
ret = select(nfds + 1, &rfds, &wfds, NULL, &tv); |
3992 |
if (ret > 0) { |
3993 |
/* XXX: better handling of removal */
|
3994 |
for(ioh = first_io_handler; ioh != NULL; ioh = ioh_next) { |
3995 |
ioh_next = ioh->next; |
3996 |
if (FD_ISSET(ioh->fd, &rfds)) {
|
3997 |
ioh->fd_read(ioh->opaque); |
3998 |
} |
3999 |
if (FD_ISSET(ioh->fd, &wfds)) {
|
4000 |
ioh->fd_write(ioh->opaque); |
4001 |
} |
4002 |
} |
4003 |
} |
4004 |
#ifdef _WIN32
|
4005 |
tap_win32_poll(); |
4006 |
#endif
|
4007 |
|
4008 |
#if defined(CONFIG_SLIRP)
|
4009 |
/* XXX: merge with the previous select() */
|
4010 |
if (slirp_inited) {
|
4011 |
fd_set rfds, wfds, xfds; |
4012 |
int nfds;
|
4013 |
struct timeval tv;
|
4014 |
|
4015 |
nfds = -1;
|
4016 |
FD_ZERO(&rfds); |
4017 |
FD_ZERO(&wfds); |
4018 |
FD_ZERO(&xfds); |
4019 |
slirp_select_fill(&nfds, &rfds, &wfds, &xfds); |
4020 |
tv.tv_sec = 0;
|
4021 |
tv.tv_usec = 0;
|
4022 |
ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
|
4023 |
if (ret >= 0) { |
4024 |
slirp_select_poll(&rfds, &wfds, &xfds); |
4025 |
} |
4026 |
} |
4027 |
#endif
|
4028 |
|
4029 |
if (vm_running) {
|
4030 |
qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL], |
4031 |
qemu_get_clock(vm_clock)); |
4032 |
/* run dma transfers, if any */
|
4033 |
DMA_run(); |
4034 |
} |
4035 |
|
4036 |
/* real time timers */
|
4037 |
qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME], |
4038 |
qemu_get_clock(rt_clock)); |
4039 |
} |
4040 |
|
4041 |
static CPUState *cur_cpu;
|
4042 |
|
4043 |
int main_loop(void) |
4044 |
{ |
4045 |
int ret, timeout;
|
4046 |
#ifdef CONFIG_PROFILER
|
4047 |
int64_t ti; |
4048 |
#endif
|
4049 |
CPUState *env; |
4050 |
|
4051 |
cur_cpu = first_cpu; |
4052 |
for(;;) {
|
4053 |
if (vm_running) {
|
4054 |
|
4055 |
env = cur_cpu; |
4056 |
for(;;) {
|
4057 |
/* get next cpu */
|
4058 |
env = env->next_cpu; |
4059 |
if (!env)
|
4060 |
env = first_cpu; |
4061 |
#ifdef CONFIG_PROFILER
|
4062 |
ti = profile_getclock(); |
4063 |
#endif
|
4064 |
ret = cpu_exec(env); |
4065 |
#ifdef CONFIG_PROFILER
|
4066 |
qemu_time += profile_getclock() - ti; |
4067 |
#endif
|
4068 |
if (ret != EXCP_HALTED)
|
4069 |
break;
|
4070 |
/* all CPUs are halted ? */
|
4071 |
if (env == cur_cpu) {
|
4072 |
ret = EXCP_HLT; |
4073 |
break;
|
4074 |
} |
4075 |
} |
4076 |
cur_cpu = env; |
4077 |
|
4078 |
if (shutdown_requested) {
|
4079 |
ret = EXCP_INTERRUPT; |
4080 |
break;
|
4081 |
} |
4082 |
if (reset_requested) {
|
4083 |
reset_requested = 0;
|
4084 |
qemu_system_reset(); |
4085 |
ret = EXCP_INTERRUPT; |
4086 |
} |
4087 |
if (powerdown_requested) {
|
4088 |
powerdown_requested = 0;
|
4089 |
qemu_system_powerdown(); |
4090 |
ret = EXCP_INTERRUPT; |
4091 |
} |
4092 |
if (ret == EXCP_DEBUG) {
|
4093 |
vm_stop(EXCP_DEBUG); |
4094 |
} |
4095 |
/* if hlt instruction, we wait until the next IRQ */
|
4096 |
/* XXX: use timeout computed from timers */
|
4097 |
if (ret == EXCP_HLT)
|
4098 |
timeout = 10;
|
4099 |
else
|
4100 |
timeout = 0;
|
4101 |
} else {
|
4102 |
timeout = 10;
|
4103 |
} |
4104 |
#ifdef CONFIG_PROFILER
|
4105 |
ti = profile_getclock(); |
4106 |
#endif
|
4107 |
main_loop_wait(timeout); |
4108 |
#ifdef CONFIG_PROFILER
|
4109 |
dev_time += profile_getclock() - ti; |
4110 |
#endif
|
4111 |
} |
4112 |
cpu_disable_ticks(); |
4113 |
return ret;
|
4114 |
} |
4115 |
|
4116 |
void help(void) |
4117 |
{ |
4118 |
printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003-2005 Fabrice Bellard\n" |
4119 |
"usage: %s [options] [disk_image]\n"
|
4120 |
"\n"
|
4121 |
"'disk_image' is a raw hard image image for IDE hard disk 0\n"
|
4122 |
"\n"
|
4123 |
"Standard options:\n"
|
4124 |
"-M machine select emulated machine (-M ? for list)\n"
|
4125 |
"-fda/-fdb file use 'file' as floppy disk 0/1 image\n"
|
4126 |
"-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n"
|
4127 |
"-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n"
|
4128 |
"-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n"
|
4129 |
"-boot [a|c|d] boot on floppy (a), hard disk (c) or CD-ROM (d)\n"
|
4130 |
"-snapshot write to temporary files instead of disk image files\n"
|
4131 |
"-m megs set virtual RAM size to megs MB [default=%d]\n"
|
4132 |
"-smp n set the number of CPUs to 'n' [default=1]\n"
|
4133 |
"-nographic disable graphical output and redirect serial I/Os to console\n"
|
4134 |
#ifndef _WIN32
|
4135 |
"-k language use keyboard layout (for example \"fr\" for French)\n"
|
4136 |
#endif
|
4137 |
#ifdef HAS_AUDIO
|
4138 |
"-audio-help print list of audio drivers and their options\n"
|
4139 |
"-soundhw c1,... enable audio support\n"
|
4140 |
" and only specified sound cards (comma separated list)\n"
|
4141 |
" use -soundhw ? to get the list of supported cards\n"
|
4142 |
" use -soundhw all to enable all of them\n"
|
4143 |
#endif
|
4144 |
"-localtime set the real time clock to local time [default=utc]\n"
|
4145 |
"-full-screen start in full screen\n"
|
4146 |
#ifdef TARGET_I386
|
4147 |
"-win2k-hack use it when installing Windows 2000 to avoid a disk full bug\n"
|
4148 |
#endif
|
4149 |
"-usb enable the USB driver (will be the default soon)\n"
|
4150 |
"-usbdevice name add the host or guest USB device 'name'\n"
|
4151 |
#if defined(TARGET_PPC) || defined(TARGET_SPARC)
|
4152 |
"-g WxH[xDEPTH] Set the initial graphical resolution and depth\n"
|
4153 |
#endif
|
4154 |
"\n"
|
4155 |
"Network options:\n"
|
4156 |
"-net nic[,vlan=n][,macaddr=addr][,model=type]\n"
|
4157 |
" create a new Network Interface Card and connect it to VLAN 'n'\n"
|
4158 |
#ifdef CONFIG_SLIRP
|
4159 |
"-net user[,vlan=n]\n"
|
4160 |
" connect the user mode network stack to VLAN 'n'\n"
|
4161 |
#endif
|
4162 |
#ifdef _WIN32
|
4163 |
"-net tap[,vlan=n],ifname=name\n"
|
4164 |
" connect the host TAP network interface to VLAN 'n'\n"
|
4165 |
#else
|
4166 |
"-net tap[,vlan=n][,fd=h][,ifname=name][,script=file]\n"
|
4167 |
" connect the host TAP network interface to VLAN 'n' and use\n"
|
4168 |
" the network script 'file' (default=%s);\n"
|
4169 |
" use 'fd=h' to connect to an already opened TAP interface\n"
|
4170 |
#endif
|
4171 |
"-net socket[,vlan=n][,fd=h][,listen=[host]:port][,connect=host:port]\n"
|
4172 |
" connect the vlan 'n' to another VLAN using a socket connection\n"
|
4173 |
"-net socket[,vlan=n][,fd=h][,mcast=maddr:port]\n"
|
4174 |
" connect the vlan 'n' to multicast maddr and port\n"
|
4175 |
"-net none use it alone to have zero network devices; if no -net option\n"
|
4176 |
" is provided, the default is '-net nic -net user'\n"
|
4177 |
"\n"
|
4178 |
#ifdef CONFIG_SLIRP
|
4179 |
"-tftp prefix allow tftp access to files starting with prefix [-net user]\n"
|
4180 |
#ifndef _WIN32
|
4181 |
"-smb dir allow SMB access to files in 'dir' [-net user]\n"
|
4182 |
#endif
|
4183 |
"-redir [tcp|udp]:host-port:[guest-host]:guest-port\n"
|
4184 |
" redirect TCP or UDP connections from host to guest [-net user]\n"
|
4185 |
#endif
|
4186 |
"\n"
|
4187 |
"Linux boot specific:\n"
|
4188 |
"-kernel bzImage use 'bzImage' as kernel image\n"
|
4189 |
"-append cmdline use 'cmdline' as kernel command line\n"
|
4190 |
"-initrd file use 'file' as initial ram disk\n"
|
4191 |
"\n"
|
4192 |
"Debug/Expert options:\n"
|
4193 |
"-monitor dev redirect the monitor to char device 'dev'\n"
|
4194 |
"-serial dev redirect the serial port to char device 'dev'\n"
|
4195 |
"-parallel dev redirect the parallel port to char device 'dev'\n"
|
4196 |
"-pidfile file Write PID to 'file'\n"
|
4197 |
"-S freeze CPU at startup (use 'c' to start execution)\n"
|
4198 |
"-s wait gdb connection to port %d\n"
|
4199 |
"-p port change gdb connection port\n"
|
4200 |
"-d item1,... output log to %s (use -d ? for a list of log items)\n"
|
4201 |
"-hdachs c,h,s[,t] force hard disk 0 physical geometry and the optional BIOS\n"
|
4202 |
" translation (t=none or lba) (usually qemu can guess them)\n"
|
4203 |
"-L path set the directory for the BIOS and VGA BIOS\n"
|
4204 |
#ifdef USE_KQEMU
|
4205 |
"-no-kqemu disable KQEMU kernel module usage\n"
|
4206 |
#endif
|
4207 |
#ifdef USE_CODE_COPY
|
4208 |
"-no-code-copy disable code copy acceleration\n"
|
4209 |
#endif
|
4210 |
#ifdef TARGET_I386
|
4211 |
"-std-vga simulate a standard VGA card with VESA Bochs Extensions\n"
|
4212 |
" (default is CL-GD5446 PCI VGA)\n"
|
4213 |
#endif
|
4214 |
"-loadvm file start right away with a saved state (loadvm in monitor)\n"
|
4215 |
"\n"
|
4216 |
"During emulation, the following keys are useful:\n"
|
4217 |
"ctrl-alt-f toggle full screen\n"
|
4218 |
"ctrl-alt-n switch to virtual console 'n'\n"
|
4219 |
"ctrl-alt toggle mouse and keyboard grab\n"
|
4220 |
"\n"
|
4221 |
"When using -nographic, press 'ctrl-a h' to get some help.\n"
|
4222 |
, |
4223 |
#ifdef CONFIG_SOFTMMU
|
4224 |
"qemu",
|
4225 |
#else
|
4226 |
"qemu-fast",
|
4227 |
#endif
|
4228 |
DEFAULT_RAM_SIZE, |
4229 |
#ifndef _WIN32
|
4230 |
DEFAULT_NETWORK_SCRIPT, |
4231 |
#endif
|
4232 |
DEFAULT_GDBSTUB_PORT, |
4233 |
"/tmp/qemu.log");
|
4234 |
#ifndef CONFIG_SOFTMMU
|
4235 |
printf("\n"
|
4236 |
"NOTE: this version of QEMU is faster but it needs slightly patched OSes to\n"
|
4237 |
"work. Please use the 'qemu' executable to have a more accurate (but slower)\n"
|
4238 |
"PC emulation.\n");
|
4239 |
#endif
|
4240 |
exit(1);
|
4241 |
} |
4242 |
|
4243 |
#define HAS_ARG 0x0001 |
4244 |
|
4245 |
enum {
|
4246 |
QEMU_OPTION_h, |
4247 |
|
4248 |
QEMU_OPTION_M, |
4249 |
QEMU_OPTION_fda, |
4250 |
QEMU_OPTION_fdb, |
4251 |
QEMU_OPTION_hda, |
4252 |
QEMU_OPTION_hdb, |
4253 |
QEMU_OPTION_hdc, |
4254 |
QEMU_OPTION_hdd, |
4255 |
QEMU_OPTION_cdrom, |
4256 |
QEMU_OPTION_boot, |
4257 |
QEMU_OPTION_snapshot, |
4258 |
QEMU_OPTION_m, |
4259 |
QEMU_OPTION_nographic, |
4260 |
#ifdef HAS_AUDIO
|
4261 |
QEMU_OPTION_audio_help, |
4262 |
QEMU_OPTION_soundhw, |
4263 |
#endif
|
4264 |
|
4265 |
QEMU_OPTION_net, |
4266 |
QEMU_OPTION_tftp, |
4267 |
QEMU_OPTION_smb, |
4268 |
QEMU_OPTION_redir, |
4269 |
|
4270 |
QEMU_OPTION_kernel, |
4271 |
QEMU_OPTION_append, |
4272 |
QEMU_OPTION_initrd, |
4273 |
|
4274 |
QEMU_OPTION_S, |
4275 |
QEMU_OPTION_s, |
4276 |
QEMU_OPTION_p, |
4277 |
QEMU_OPTION_d, |
4278 |
QEMU_OPTION_hdachs, |
4279 |
QEMU_OPTION_L, |
4280 |
QEMU_OPTION_no_code_copy, |
4281 |
QEMU_OPTION_k, |
4282 |
QEMU_OPTION_localtime, |
4283 |
QEMU_OPTION_cirrusvga, |
4284 |
QEMU_OPTION_g, |
4285 |
QEMU_OPTION_std_vga, |
4286 |
QEMU_OPTION_monitor, |
4287 |
QEMU_OPTION_serial, |
4288 |
QEMU_OPTION_parallel, |
4289 |
QEMU_OPTION_loadvm, |
4290 |
QEMU_OPTION_full_screen, |
4291 |
QEMU_OPTION_pidfile, |
4292 |
QEMU_OPTION_no_kqemu, |
4293 |
QEMU_OPTION_kernel_kqemu, |
4294 |
QEMU_OPTION_win2k_hack, |
4295 |
QEMU_OPTION_usb, |
4296 |
QEMU_OPTION_usbdevice, |
4297 |
QEMU_OPTION_smp, |
4298 |
}; |
4299 |
|
4300 |
typedef struct QEMUOption { |
4301 |
const char *name; |
4302 |
int flags;
|
4303 |
int index;
|
4304 |
} QEMUOption; |
4305 |
|
4306 |
const QEMUOption qemu_options[] = {
|
4307 |
{ "h", 0, QEMU_OPTION_h }, |
4308 |
|
4309 |
{ "M", HAS_ARG, QEMU_OPTION_M },
|
4310 |
{ "fda", HAS_ARG, QEMU_OPTION_fda },
|
4311 |
{ "fdb", HAS_ARG, QEMU_OPTION_fdb },
|
4312 |
{ "hda", HAS_ARG, QEMU_OPTION_hda },
|
4313 |
{ "hdb", HAS_ARG, QEMU_OPTION_hdb },
|
4314 |
{ "hdc", HAS_ARG, QEMU_OPTION_hdc },
|
4315 |
{ "hdd", HAS_ARG, QEMU_OPTION_hdd },
|
4316 |
{ "cdrom", HAS_ARG, QEMU_OPTION_cdrom },
|
4317 |
{ "boot", HAS_ARG, QEMU_OPTION_boot },
|
4318 |
{ "snapshot", 0, QEMU_OPTION_snapshot }, |
4319 |
{ "m", HAS_ARG, QEMU_OPTION_m },
|
4320 |
{ "nographic", 0, QEMU_OPTION_nographic }, |
4321 |
{ "k", HAS_ARG, QEMU_OPTION_k },
|
4322 |
#ifdef HAS_AUDIO
|
4323 |
{ "audio-help", 0, QEMU_OPTION_audio_help }, |
4324 |
{ "soundhw", HAS_ARG, QEMU_OPTION_soundhw },
|
4325 |
#endif
|
4326 |
|
4327 |
{ "net", HAS_ARG, QEMU_OPTION_net},
|
4328 |
#ifdef CONFIG_SLIRP
|
4329 |
{ "tftp", HAS_ARG, QEMU_OPTION_tftp },
|
4330 |
#ifndef _WIN32
|
4331 |
{ "smb", HAS_ARG, QEMU_OPTION_smb },
|
4332 |
#endif
|
4333 |
{ "redir", HAS_ARG, QEMU_OPTION_redir },
|
4334 |
#endif
|
4335 |
|
4336 |
{ "kernel", HAS_ARG, QEMU_OPTION_kernel },
|
4337 |
{ "append", HAS_ARG, QEMU_OPTION_append },
|
4338 |
{ "initrd", HAS_ARG, QEMU_OPTION_initrd },
|
4339 |
|
4340 |
{ "S", 0, QEMU_OPTION_S }, |
4341 |
{ "s", 0, QEMU_OPTION_s }, |
4342 |
{ "p", HAS_ARG, QEMU_OPTION_p },
|
4343 |
{ "d", HAS_ARG, QEMU_OPTION_d },
|
4344 |
{ "hdachs", HAS_ARG, QEMU_OPTION_hdachs },
|
4345 |
{ "L", HAS_ARG, QEMU_OPTION_L },
|
4346 |
{ "no-code-copy", 0, QEMU_OPTION_no_code_copy }, |
4347 |
#ifdef USE_KQEMU
|
4348 |
{ "no-kqemu", 0, QEMU_OPTION_no_kqemu }, |
4349 |
{ "kernel-kqemu", 0, QEMU_OPTION_kernel_kqemu }, |
4350 |
#endif
|
4351 |
#if defined(TARGET_PPC) || defined(TARGET_SPARC)
|
4352 |
{ "g", 1, QEMU_OPTION_g }, |
4353 |
#endif
|
4354 |
{ "localtime", 0, QEMU_OPTION_localtime }, |
4355 |
{ "std-vga", 0, QEMU_OPTION_std_vga }, |
4356 |
{ "monitor", 1, QEMU_OPTION_monitor }, |
4357 |
{ "serial", 1, QEMU_OPTION_serial }, |
4358 |
{ "parallel", 1, QEMU_OPTION_parallel }, |
4359 |
{ "loadvm", HAS_ARG, QEMU_OPTION_loadvm },
|
4360 |
{ "full-screen", 0, QEMU_OPTION_full_screen }, |
4361 |
{ "pidfile", HAS_ARG, QEMU_OPTION_pidfile },
|
4362 |
{ "win2k-hack", 0, QEMU_OPTION_win2k_hack }, |
4363 |
{ "usbdevice", HAS_ARG, QEMU_OPTION_usbdevice },
|
4364 |
{ "smp", HAS_ARG, QEMU_OPTION_smp },
|
4365 |
|
4366 |
/* temporary options */
|
4367 |
{ "usb", 0, QEMU_OPTION_usb }, |
4368 |
{ "cirrusvga", 0, QEMU_OPTION_cirrusvga }, |
4369 |
{ NULL },
|
4370 |
}; |
4371 |
|
4372 |
#if defined (TARGET_I386) && defined(USE_CODE_COPY)
|
4373 |
|
4374 |
/* this stack is only used during signal handling */
|
4375 |
#define SIGNAL_STACK_SIZE 32768 |
4376 |
|
4377 |
static uint8_t *signal_stack;
|
4378 |
|
4379 |
#endif
|
4380 |
|
4381 |
/* password input */
|
4382 |
|
4383 |
static BlockDriverState *get_bdrv(int index) |
4384 |
{ |
4385 |
BlockDriverState *bs; |
4386 |
|
4387 |
if (index < 4) { |
4388 |
bs = bs_table[index]; |
4389 |
} else if (index < 6) { |
4390 |
bs = fd_table[index - 4];
|
4391 |
} else {
|
4392 |
bs = NULL;
|
4393 |
} |
4394 |
return bs;
|
4395 |
} |
4396 |
|
4397 |
static void read_passwords(void) |
4398 |
{ |
4399 |
BlockDriverState *bs; |
4400 |
int i, j;
|
4401 |
char password[256]; |
4402 |
|
4403 |
for(i = 0; i < 6; i++) { |
4404 |
bs = get_bdrv(i); |
4405 |
if (bs && bdrv_is_encrypted(bs)) {
|
4406 |
term_printf("%s is encrypted.\n", bdrv_get_device_name(bs));
|
4407 |
for(j = 0; j < 3; j++) { |
4408 |
monitor_readline("Password: ",
|
4409 |
1, password, sizeof(password)); |
4410 |
if (bdrv_set_key(bs, password) == 0) |
4411 |
break;
|
4412 |
term_printf("invalid password\n");
|
4413 |
} |
4414 |
} |
4415 |
} |
4416 |
} |
4417 |
|
4418 |
/* XXX: currently we cannot use simultaneously different CPUs */
|
4419 |
void register_machines(void) |
4420 |
{ |
4421 |
#if defined(TARGET_I386)
|
4422 |
qemu_register_machine(&pc_machine); |
4423 |
qemu_register_machine(&isapc_machine); |
4424 |
#elif defined(TARGET_PPC)
|
4425 |
qemu_register_machine(&heathrow_machine); |
4426 |
qemu_register_machine(&core99_machine); |
4427 |
qemu_register_machine(&prep_machine); |
4428 |
#elif defined(TARGET_MIPS)
|
4429 |
qemu_register_machine(&mips_machine); |
4430 |
#elif defined(TARGET_SPARC)
|
4431 |
#ifdef TARGET_SPARC64
|
4432 |
qemu_register_machine(&sun4u_machine); |
4433 |
#else
|
4434 |
qemu_register_machine(&sun4m_machine); |
4435 |
#endif
|
4436 |
#elif defined(TARGET_ARM)
|
4437 |
qemu_register_machine(&integratorcp926_machine); |
4438 |
qemu_register_machine(&integratorcp1026_machine); |
4439 |
#else
|
4440 |
#error unsupported CPU
|
4441 |
#endif
|
4442 |
} |
4443 |
|
4444 |
#ifdef HAS_AUDIO
|
4445 |
struct soundhw soundhw[] = {
|
4446 |
{ |
4447 |
"sb16",
|
4448 |
"Creative Sound Blaster 16",
|
4449 |
0,
|
4450 |
1,
|
4451 |
{ .init_isa = SB16_init } |
4452 |
}, |
4453 |
|
4454 |
#ifdef CONFIG_ADLIB
|
4455 |
{ |
4456 |
"adlib",
|
4457 |
#ifdef HAS_YMF262
|
4458 |
"Yamaha YMF262 (OPL3)",
|
4459 |
#else
|
4460 |
"Yamaha YM3812 (OPL2)",
|
4461 |
#endif
|
4462 |
0,
|
4463 |
1,
|
4464 |
{ .init_isa = Adlib_init } |
4465 |
}, |
4466 |
#endif
|
4467 |
|
4468 |
#ifdef CONFIG_GUS
|
4469 |
{ |
4470 |
"gus",
|
4471 |
"Gravis Ultrasound GF1",
|
4472 |
0,
|
4473 |
1,
|
4474 |
{ .init_isa = GUS_init } |
4475 |
}, |
4476 |
#endif
|
4477 |
|
4478 |
{ |
4479 |
"es1370",
|
4480 |
"ENSONIQ AudioPCI ES1370",
|
4481 |
0,
|
4482 |
0,
|
4483 |
{ .init_pci = es1370_init } |
4484 |
}, |
4485 |
|
4486 |
{ NULL, NULL, 0, 0, { NULL } } |
4487 |
}; |
4488 |
|
4489 |
static void select_soundhw (const char *optarg) |
4490 |
{ |
4491 |
struct soundhw *c;
|
4492 |
|
4493 |
if (*optarg == '?') { |
4494 |
show_valid_cards:
|
4495 |
|
4496 |
printf ("Valid sound card names (comma separated):\n");
|
4497 |
for (c = soundhw; c->name; ++c) {
|
4498 |
printf ("%-11s %s\n", c->name, c->descr);
|
4499 |
} |
4500 |
printf ("\n-soundhw all will enable all of the above\n");
|
4501 |
exit (*optarg != '?');
|
4502 |
} |
4503 |
else {
|
4504 |
size_t l; |
4505 |
const char *p; |
4506 |
char *e;
|
4507 |
int bad_card = 0; |
4508 |
|
4509 |
if (!strcmp (optarg, "all")) { |
4510 |
for (c = soundhw; c->name; ++c) {
|
4511 |
c->enabled = 1;
|
4512 |
} |
4513 |
return;
|
4514 |
} |
4515 |
|
4516 |
p = optarg; |
4517 |
while (*p) {
|
4518 |
e = strchr (p, ',');
|
4519 |
l = !e ? strlen (p) : (size_t) (e - p); |
4520 |
|
4521 |
for (c = soundhw; c->name; ++c) {
|
4522 |
if (!strncmp (c->name, p, l)) {
|
4523 |
c->enabled = 1;
|
4524 |
break;
|
4525 |
} |
4526 |
} |
4527 |
|
4528 |
if (!c->name) {
|
4529 |
if (l > 80) { |
4530 |
fprintf (stderr, |
4531 |
"Unknown sound card name (too big to show)\n");
|
4532 |
} |
4533 |
else {
|
4534 |
fprintf (stderr, "Unknown sound card name `%.*s'\n",
|
4535 |
(int) l, p);
|
4536 |
} |
4537 |
bad_card = 1;
|
4538 |
} |
4539 |
p += l + (e != NULL);
|
4540 |
} |
4541 |
|
4542 |
if (bad_card)
|
4543 |
goto show_valid_cards;
|
4544 |
} |
4545 |
} |
4546 |
#endif
|
4547 |
|
4548 |
#define MAX_NET_CLIENTS 32 |
4549 |
|
4550 |
int main(int argc, char **argv) |
4551 |
{ |
4552 |
#ifdef CONFIG_GDBSTUB
|
4553 |
int use_gdbstub, gdbstub_port;
|
4554 |
#endif
|
4555 |
int i, cdrom_index;
|
4556 |
int snapshot, linux_boot;
|
4557 |
const char *initrd_filename; |
4558 |
const char *hd_filename[MAX_DISKS], *fd_filename[MAX_FD]; |
4559 |
const char *kernel_filename, *kernel_cmdline; |
4560 |
DisplayState *ds = &display_state; |
4561 |
int cyls, heads, secs, translation;
|
4562 |
int start_emulation = 1; |
4563 |
char net_clients[MAX_NET_CLIENTS][256]; |
4564 |
int nb_net_clients;
|
4565 |
int optind;
|
4566 |
const char *r, *optarg; |
4567 |
CharDriverState *monitor_hd; |
4568 |
char monitor_device[128]; |
4569 |
char serial_devices[MAX_SERIAL_PORTS][128]; |
4570 |
int serial_device_index;
|
4571 |
char parallel_devices[MAX_PARALLEL_PORTS][128]; |
4572 |
int parallel_device_index;
|
4573 |
const char *loadvm = NULL; |
4574 |
QEMUMachine *machine; |
4575 |
char usb_devices[MAX_VM_USB_PORTS][128]; |
4576 |
int usb_devices_index;
|
4577 |
|
4578 |
LIST_INIT (&vm_change_state_head); |
4579 |
#if !defined(CONFIG_SOFTMMU)
|
4580 |
/* we never want that malloc() uses mmap() */
|
4581 |
mallopt(M_MMAP_THRESHOLD, 4096 * 1024); |
4582 |
#endif
|
4583 |
register_machines(); |
4584 |
machine = first_machine; |
4585 |
initrd_filename = NULL;
|
4586 |
for(i = 0; i < MAX_FD; i++) |
4587 |
fd_filename[i] = NULL;
|
4588 |
for(i = 0; i < MAX_DISKS; i++) |
4589 |
hd_filename[i] = NULL;
|
4590 |
ram_size = DEFAULT_RAM_SIZE * 1024 * 1024; |
4591 |
vga_ram_size = VGA_RAM_SIZE; |
4592 |
bios_size = BIOS_SIZE; |
4593 |
#ifdef CONFIG_GDBSTUB
|
4594 |
use_gdbstub = 0;
|
4595 |
gdbstub_port = DEFAULT_GDBSTUB_PORT; |
4596 |
#endif
|
4597 |
snapshot = 0;
|
4598 |
nographic = 0;
|
4599 |
kernel_filename = NULL;
|
4600 |
kernel_cmdline = "";
|
4601 |
#ifdef TARGET_PPC
|
4602 |
cdrom_index = 1;
|
4603 |
#else
|
4604 |
cdrom_index = 2;
|
4605 |
#endif
|
4606 |
cyls = heads = secs = 0;
|
4607 |
translation = BIOS_ATA_TRANSLATION_AUTO; |
4608 |
pstrcpy(monitor_device, sizeof(monitor_device), "vc"); |
4609 |
|
4610 |
pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "vc"); |
4611 |
for(i = 1; i < MAX_SERIAL_PORTS; i++) |
4612 |
serial_devices[i][0] = '\0'; |
4613 |
serial_device_index = 0;
|
4614 |
|
4615 |
pstrcpy(parallel_devices[0], sizeof(parallel_devices[0]), "vc"); |
4616 |
for(i = 1; i < MAX_PARALLEL_PORTS; i++) |
4617 |
parallel_devices[i][0] = '\0'; |
4618 |
parallel_device_index = 0;
|
4619 |
|
4620 |
usb_devices_index = 0;
|
4621 |
|
4622 |
nb_net_clients = 0;
|
4623 |
|
4624 |
nb_nics = 0;
|
4625 |
/* default mac address of the first network interface */
|
4626 |
|
4627 |
optind = 1;
|
4628 |
for(;;) {
|
4629 |
if (optind >= argc)
|
4630 |
break;
|
4631 |
r = argv[optind]; |
4632 |
if (r[0] != '-') { |
4633 |
hd_filename[0] = argv[optind++];
|
4634 |
} else {
|
4635 |
const QEMUOption *popt;
|
4636 |
|
4637 |
optind++; |
4638 |
popt = qemu_options; |
4639 |
for(;;) {
|
4640 |
if (!popt->name) {
|
4641 |
fprintf(stderr, "%s: invalid option -- '%s'\n",
|
4642 |
argv[0], r);
|
4643 |
exit(1);
|
4644 |
} |
4645 |
if (!strcmp(popt->name, r + 1)) |
4646 |
break;
|
4647 |
popt++; |
4648 |
} |
4649 |
if (popt->flags & HAS_ARG) {
|
4650 |
if (optind >= argc) {
|
4651 |
fprintf(stderr, "%s: option '%s' requires an argument\n",
|
4652 |
argv[0], r);
|
4653 |
exit(1);
|
4654 |
} |
4655 |
optarg = argv[optind++]; |
4656 |
} else {
|
4657 |
optarg = NULL;
|
4658 |
} |
4659 |
|
4660 |
switch(popt->index) {
|
4661 |
case QEMU_OPTION_M:
|
4662 |
machine = find_machine(optarg); |
4663 |
if (!machine) {
|
4664 |
QEMUMachine *m; |
4665 |
printf("Supported machines are:\n");
|
4666 |
for(m = first_machine; m != NULL; m = m->next) { |
4667 |
printf("%-10s %s%s\n",
|
4668 |
m->name, m->desc, |
4669 |
m == first_machine ? " (default)" : ""); |
4670 |
} |
4671 |
exit(1);
|
4672 |
} |
4673 |
break;
|
4674 |
case QEMU_OPTION_initrd:
|
4675 |
initrd_filename = optarg; |
4676 |
break;
|
4677 |
case QEMU_OPTION_hda:
|
4678 |
case QEMU_OPTION_hdb:
|
4679 |
case QEMU_OPTION_hdc:
|
4680 |
case QEMU_OPTION_hdd:
|
4681 |
{ |
4682 |
int hd_index;
|
4683 |
hd_index = popt->index - QEMU_OPTION_hda; |
4684 |
hd_filename[hd_index] = optarg; |
4685 |
if (hd_index == cdrom_index)
|
4686 |
cdrom_index = -1;
|
4687 |
} |
4688 |
break;
|
4689 |
case QEMU_OPTION_snapshot:
|
4690 |
snapshot = 1;
|
4691 |
break;
|
4692 |
case QEMU_OPTION_hdachs:
|
4693 |
{ |
4694 |
const char *p; |
4695 |
p = optarg; |
4696 |
cyls = strtol(p, (char **)&p, 0); |
4697 |
if (cyls < 1 || cyls > 16383) |
4698 |
goto chs_fail;
|
4699 |
if (*p != ',') |
4700 |
goto chs_fail;
|
4701 |
p++; |
4702 |
heads = strtol(p, (char **)&p, 0); |
4703 |
if (heads < 1 || heads > 16) |
4704 |
goto chs_fail;
|
4705 |
if (*p != ',') |
4706 |
goto chs_fail;
|
4707 |
p++; |
4708 |
secs = strtol(p, (char **)&p, 0); |
4709 |
if (secs < 1 || secs > 63) |
4710 |
goto chs_fail;
|
4711 |
if (*p == ',') { |
4712 |
p++; |
4713 |
if (!strcmp(p, "none")) |
4714 |
translation = BIOS_ATA_TRANSLATION_NONE; |
4715 |
else if (!strcmp(p, "lba")) |
4716 |
translation = BIOS_ATA_TRANSLATION_LBA; |
4717 |
else if (!strcmp(p, "auto")) |
4718 |
translation = BIOS_ATA_TRANSLATION_AUTO; |
4719 |
else
|
4720 |
goto chs_fail;
|
4721 |
} else if (*p != '\0') { |
4722 |
chs_fail:
|
4723 |
fprintf(stderr, "qemu: invalid physical CHS format\n");
|
4724 |
exit(1);
|
4725 |
} |
4726 |
} |
4727 |
break;
|
4728 |
case QEMU_OPTION_nographic:
|
4729 |
pstrcpy(monitor_device, sizeof(monitor_device), "stdio"); |
4730 |
pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "stdio"); |
4731 |
nographic = 1;
|
4732 |
break;
|
4733 |
case QEMU_OPTION_kernel:
|
4734 |
kernel_filename = optarg; |
4735 |
break;
|
4736 |
case QEMU_OPTION_append:
|
4737 |
kernel_cmdline = optarg; |
4738 |
break;
|
4739 |
case QEMU_OPTION_cdrom:
|
4740 |
if (cdrom_index >= 0) { |
4741 |
hd_filename[cdrom_index] = optarg; |
4742 |
} |
4743 |
break;
|
4744 |
case QEMU_OPTION_boot:
|
4745 |
boot_device = optarg[0];
|
4746 |
if (boot_device != 'a' && |
4747 |
#ifdef TARGET_SPARC
|
4748 |
// Network boot
|
4749 |
boot_device != 'n' &&
|
4750 |
#endif
|
4751 |
boot_device != 'c' && boot_device != 'd') { |
4752 |
fprintf(stderr, "qemu: invalid boot device '%c'\n", boot_device);
|
4753 |
exit(1);
|
4754 |
} |
4755 |
break;
|
4756 |
case QEMU_OPTION_fda:
|
4757 |
fd_filename[0] = optarg;
|
4758 |
break;
|
4759 |
case QEMU_OPTION_fdb:
|
4760 |
fd_filename[1] = optarg;
|
4761 |
break;
|
4762 |
case QEMU_OPTION_no_code_copy:
|
4763 |
code_copy_enabled = 0;
|
4764 |
break;
|
4765 |
case QEMU_OPTION_net:
|
4766 |
if (nb_net_clients >= MAX_NET_CLIENTS) {
|
4767 |
fprintf(stderr, "qemu: too many network clients\n");
|
4768 |
exit(1);
|
4769 |
} |
4770 |
pstrcpy(net_clients[nb_net_clients], |
4771 |
sizeof(net_clients[0]), |
4772 |
optarg); |
4773 |
nb_net_clients++; |
4774 |
break;
|
4775 |
#ifdef CONFIG_SLIRP
|
4776 |
case QEMU_OPTION_tftp:
|
4777 |
tftp_prefix = optarg; |
4778 |
break;
|
4779 |
#ifndef _WIN32
|
4780 |
case QEMU_OPTION_smb:
|
4781 |
net_slirp_smb(optarg); |
4782 |
break;
|
4783 |
#endif
|
4784 |
case QEMU_OPTION_redir:
|
4785 |
net_slirp_redir(optarg); |
4786 |
break;
|
4787 |
#endif
|
4788 |
#ifdef HAS_AUDIO
|
4789 |
case QEMU_OPTION_audio_help:
|
4790 |
AUD_help (); |
4791 |
exit (0);
|
4792 |
break;
|
4793 |
case QEMU_OPTION_soundhw:
|
4794 |
select_soundhw (optarg); |
4795 |
break;
|
4796 |
#endif
|
4797 |
case QEMU_OPTION_h:
|
4798 |
help(); |
4799 |
break;
|
4800 |
case QEMU_OPTION_m:
|
4801 |
ram_size = atoi(optarg) * 1024 * 1024; |
4802 |
if (ram_size <= 0) |
4803 |
help(); |
4804 |
if (ram_size > PHYS_RAM_MAX_SIZE) {
|
4805 |
fprintf(stderr, "qemu: at most %d MB RAM can be simulated\n",
|
4806 |
PHYS_RAM_MAX_SIZE / (1024 * 1024)); |
4807 |
exit(1);
|
4808 |
} |
4809 |
break;
|
4810 |
case QEMU_OPTION_d:
|
4811 |
{ |
4812 |
int mask;
|
4813 |
CPULogItem *item; |
4814 |
|
4815 |
mask = cpu_str_to_log_mask(optarg); |
4816 |
if (!mask) {
|
4817 |
printf("Log items (comma separated):\n");
|
4818 |
for(item = cpu_log_items; item->mask != 0; item++) { |
4819 |
printf("%-10s %s\n", item->name, item->help);
|
4820 |
} |
4821 |
exit(1);
|
4822 |
} |
4823 |
cpu_set_log(mask); |
4824 |
} |
4825 |
break;
|
4826 |
#ifdef CONFIG_GDBSTUB
|
4827 |
case QEMU_OPTION_s:
|
4828 |
use_gdbstub = 1;
|
4829 |
break;
|
4830 |
case QEMU_OPTION_p:
|
4831 |
gdbstub_port = atoi(optarg); |
4832 |
break;
|
4833 |
#endif
|
4834 |
case QEMU_OPTION_L:
|
4835 |
bios_dir = optarg; |
4836 |
break;
|
4837 |
case QEMU_OPTION_S:
|
4838 |
start_emulation = 0;
|
4839 |
break;
|
4840 |
case QEMU_OPTION_k:
|
4841 |
keyboard_layout = optarg; |
4842 |
break;
|
4843 |
case QEMU_OPTION_localtime:
|
4844 |
rtc_utc = 0;
|
4845 |
break;
|
4846 |
case QEMU_OPTION_cirrusvga:
|
4847 |
cirrus_vga_enabled = 1;
|
4848 |
break;
|
4849 |
case QEMU_OPTION_std_vga:
|
4850 |
cirrus_vga_enabled = 0;
|
4851 |
break;
|
4852 |
case QEMU_OPTION_g:
|
4853 |
{ |
4854 |
const char *p; |
4855 |
int w, h, depth;
|
4856 |
p = optarg; |
4857 |
w = strtol(p, (char **)&p, 10); |
4858 |
if (w <= 0) { |
4859 |
graphic_error:
|
4860 |
fprintf(stderr, "qemu: invalid resolution or depth\n");
|
4861 |
exit(1);
|
4862 |
} |
4863 |
if (*p != 'x') |
4864 |
goto graphic_error;
|
4865 |
p++; |
4866 |
h = strtol(p, (char **)&p, 10); |
4867 |
if (h <= 0) |
4868 |
goto graphic_error;
|
4869 |
if (*p == 'x') { |
4870 |
p++; |
4871 |
depth = strtol(p, (char **)&p, 10); |
4872 |
if (depth != 8 && depth != 15 && depth != 16 && |
4873 |
depth != 24 && depth != 32) |
4874 |
goto graphic_error;
|
4875 |
} else if (*p == '\0') { |
4876 |
depth = graphic_depth; |
4877 |
} else {
|
4878 |
goto graphic_error;
|
4879 |
} |
4880 |
|
4881 |
graphic_width = w; |
4882 |
graphic_height = h; |
4883 |
graphic_depth = depth; |
4884 |
} |
4885 |
break;
|
4886 |
case QEMU_OPTION_monitor:
|
4887 |
pstrcpy(monitor_device, sizeof(monitor_device), optarg);
|
4888 |
break;
|
4889 |
case QEMU_OPTION_serial:
|
4890 |
if (serial_device_index >= MAX_SERIAL_PORTS) {
|
4891 |
fprintf(stderr, "qemu: too many serial ports\n");
|
4892 |
exit(1);
|
4893 |
} |
4894 |
pstrcpy(serial_devices[serial_device_index], |
4895 |
sizeof(serial_devices[0]), optarg); |
4896 |
serial_device_index++; |
4897 |
break;
|
4898 |
case QEMU_OPTION_parallel:
|
4899 |
if (parallel_device_index >= MAX_PARALLEL_PORTS) {
|
4900 |
fprintf(stderr, "qemu: too many parallel ports\n");
|
4901 |
exit(1);
|
4902 |
} |
4903 |
pstrcpy(parallel_devices[parallel_device_index], |
4904 |
sizeof(parallel_devices[0]), optarg); |
4905 |
parallel_device_index++; |
4906 |
break;
|
4907 |
case QEMU_OPTION_loadvm:
|
4908 |
loadvm = optarg; |
4909 |
break;
|
4910 |
case QEMU_OPTION_full_screen:
|
4911 |
full_screen = 1;
|
4912 |
break;
|
4913 |
case QEMU_OPTION_pidfile:
|
4914 |
create_pidfile(optarg); |
4915 |
break;
|
4916 |
#ifdef TARGET_I386
|
4917 |
case QEMU_OPTION_win2k_hack:
|
4918 |
win2k_install_hack = 1;
|
4919 |
break;
|
4920 |
#endif
|
4921 |
#ifdef USE_KQEMU
|
4922 |
case QEMU_OPTION_no_kqemu:
|
4923 |
kqemu_allowed = 0;
|
4924 |
break;
|
4925 |
case QEMU_OPTION_kernel_kqemu:
|
4926 |
kqemu_allowed = 2;
|
4927 |
break;
|
4928 |
#endif
|
4929 |
case QEMU_OPTION_usb:
|
4930 |
usb_enabled = 1;
|
4931 |
break;
|
4932 |
case QEMU_OPTION_usbdevice:
|
4933 |
usb_enabled = 1;
|
4934 |
if (usb_devices_index >= MAX_VM_USB_PORTS) {
|
4935 |
fprintf(stderr, "Too many USB devices\n");
|
4936 |
exit(1);
|
4937 |
} |
4938 |
pstrcpy(usb_devices[usb_devices_index], |
4939 |
sizeof(usb_devices[usb_devices_index]),
|
4940 |
optarg); |
4941 |
usb_devices_index++; |
4942 |
break;
|
4943 |
case QEMU_OPTION_smp:
|
4944 |
smp_cpus = atoi(optarg); |
4945 |
if (smp_cpus < 1 || smp_cpus > MAX_CPUS) { |
4946 |
fprintf(stderr, "Invalid number of CPUs\n");
|
4947 |
exit(1);
|
4948 |
} |
4949 |
break;
|
4950 |
} |
4951 |
} |
4952 |
} |
4953 |
|
4954 |
#ifdef USE_KQEMU
|
4955 |
if (smp_cpus > 1) |
4956 |
kqemu_allowed = 0;
|
4957 |
#endif
|
4958 |
linux_boot = (kernel_filename != NULL);
|
4959 |
|
4960 |
if (!linux_boot &&
|
4961 |
hd_filename[0] == '\0' && |
4962 |
(cdrom_index >= 0 && hd_filename[cdrom_index] == '\0') && |
4963 |
fd_filename[0] == '\0') |
4964 |
help(); |
4965 |
|
4966 |
/* boot to cd by default if no hard disk */
|
4967 |
if (hd_filename[0] == '\0' && boot_device == 'c') { |
4968 |
if (fd_filename[0] != '\0') |
4969 |
boot_device = 'a';
|
4970 |
else
|
4971 |
boot_device = 'd';
|
4972 |
} |
4973 |
|
4974 |
#if !defined(CONFIG_SOFTMMU)
|
4975 |
/* must avoid mmap() usage of glibc by setting a buffer "by hand" */
|
4976 |
{ |
4977 |
static uint8_t stdout_buf[4096]; |
4978 |
setvbuf(stdout, stdout_buf, _IOLBF, sizeof(stdout_buf));
|
4979 |
} |
4980 |
#else
|
4981 |
setvbuf(stdout, NULL, _IOLBF, 0); |
4982 |
#endif
|
4983 |
|
4984 |
#ifdef _WIN32
|
4985 |
socket_init(); |
4986 |
#endif
|
4987 |
|
4988 |
/* init network clients */
|
4989 |
if (nb_net_clients == 0) { |
4990 |
/* if no clients, we use a default config */
|
4991 |
pstrcpy(net_clients[0], sizeof(net_clients[0]), |
4992 |
"nic");
|
4993 |
pstrcpy(net_clients[1], sizeof(net_clients[0]), |
4994 |
"user");
|
4995 |
nb_net_clients = 2;
|
4996 |
} |
4997 |
|
4998 |
for(i = 0;i < nb_net_clients; i++) { |
4999 |
if (net_client_init(net_clients[i]) < 0) |
5000 |
exit(1);
|
5001 |
} |
5002 |
|
5003 |
/* init the memory */
|
5004 |
phys_ram_size = ram_size + vga_ram_size + bios_size; |
5005 |
|
5006 |
#ifdef CONFIG_SOFTMMU
|
5007 |
phys_ram_base = qemu_vmalloc(phys_ram_size); |
5008 |
if (!phys_ram_base) {
|
5009 |
fprintf(stderr, "Could not allocate physical memory\n");
|
5010 |
exit(1);
|
5011 |
} |
5012 |
#else
|
5013 |
/* as we must map the same page at several addresses, we must use
|
5014 |
a fd */
|
5015 |
{ |
5016 |
const char *tmpdir; |
5017 |
|
5018 |
tmpdir = getenv("QEMU_TMPDIR");
|
5019 |
if (!tmpdir)
|
5020 |
tmpdir = "/tmp";
|
5021 |
snprintf(phys_ram_file, sizeof(phys_ram_file), "%s/vlXXXXXX", tmpdir); |
5022 |
if (mkstemp(phys_ram_file) < 0) { |
5023 |
fprintf(stderr, "Could not create temporary memory file '%s'\n",
|
5024 |
phys_ram_file); |
5025 |
exit(1);
|
5026 |
} |
5027 |
phys_ram_fd = open(phys_ram_file, O_CREAT | O_TRUNC | O_RDWR, 0600);
|
5028 |
if (phys_ram_fd < 0) { |
5029 |
fprintf(stderr, "Could not open temporary memory file '%s'\n",
|
5030 |
phys_ram_file); |
5031 |
exit(1);
|
5032 |
} |
5033 |
ftruncate(phys_ram_fd, phys_ram_size); |
5034 |
unlink(phys_ram_file); |
5035 |
phys_ram_base = mmap(get_mmap_addr(phys_ram_size), |
5036 |
phys_ram_size, |
5037 |
PROT_WRITE | PROT_READ, MAP_SHARED | MAP_FIXED, |
5038 |
phys_ram_fd, 0);
|
5039 |
if (phys_ram_base == MAP_FAILED) {
|
5040 |
fprintf(stderr, "Could not map physical memory\n");
|
5041 |
exit(1);
|
5042 |
} |
5043 |
} |
5044 |
#endif
|
5045 |
|
5046 |
/* we always create the cdrom drive, even if no disk is there */
|
5047 |
bdrv_init(); |
5048 |
if (cdrom_index >= 0) { |
5049 |
bs_table[cdrom_index] = bdrv_new("cdrom");
|
5050 |
bdrv_set_type_hint(bs_table[cdrom_index], BDRV_TYPE_CDROM); |
5051 |
} |
5052 |
|
5053 |
/* open the virtual block devices */
|
5054 |
for(i = 0; i < MAX_DISKS; i++) { |
5055 |
if (hd_filename[i]) {
|
5056 |
if (!bs_table[i]) {
|
5057 |
char buf[64]; |
5058 |
snprintf(buf, sizeof(buf), "hd%c", i + 'a'); |
5059 |
bs_table[i] = bdrv_new(buf); |
5060 |
} |
5061 |
if (bdrv_open(bs_table[i], hd_filename[i], snapshot) < 0) { |
5062 |
fprintf(stderr, "qemu: could not open hard disk image '%s'\n",
|
5063 |
hd_filename[i]); |
5064 |
exit(1);
|
5065 |
} |
5066 |
if (i == 0 && cyls != 0) { |
5067 |
bdrv_set_geometry_hint(bs_table[i], cyls, heads, secs); |
5068 |
bdrv_set_translation_hint(bs_table[i], translation); |
5069 |
} |
5070 |
} |
5071 |
} |
5072 |
|
5073 |
/* we always create at least one floppy disk */
|
5074 |
fd_table[0] = bdrv_new("fda"); |
5075 |
bdrv_set_type_hint(fd_table[0], BDRV_TYPE_FLOPPY);
|
5076 |
|
5077 |
for(i = 0; i < MAX_FD; i++) { |
5078 |
if (fd_filename[i]) {
|
5079 |
if (!fd_table[i]) {
|
5080 |
char buf[64]; |
5081 |
snprintf(buf, sizeof(buf), "fd%c", i + 'a'); |
5082 |
fd_table[i] = bdrv_new(buf); |
5083 |
bdrv_set_type_hint(fd_table[i], BDRV_TYPE_FLOPPY); |
5084 |
} |
5085 |
if (fd_filename[i] != '\0') { |
5086 |
if (bdrv_open(fd_table[i], fd_filename[i], snapshot) < 0) { |
5087 |
fprintf(stderr, "qemu: could not open floppy disk image '%s'\n",
|
5088 |
fd_filename[i]); |
5089 |
exit(1);
|
5090 |
} |
5091 |
} |
5092 |
} |
5093 |
} |
5094 |
|
5095 |
/* init USB devices */
|
5096 |
if (usb_enabled) {
|
5097 |
vm_usb_hub = usb_hub_init(vm_usb_ports, MAX_VM_USB_PORTS); |
5098 |
for(i = 0; i < usb_devices_index; i++) { |
5099 |
if (usb_device_add(usb_devices[i]) < 0) { |
5100 |
fprintf(stderr, "Warning: could not add USB device %s\n",
|
5101 |
usb_devices[i]); |
5102 |
} |
5103 |
} |
5104 |
} |
5105 |
|
5106 |
register_savevm("timer", 0, 1, timer_save, timer_load, NULL); |
5107 |
register_savevm("ram", 0, 1, ram_save, ram_load, NULL); |
5108 |
|
5109 |
init_ioports(); |
5110 |
cpu_calibrate_ticks(); |
5111 |
|
5112 |
/* terminal init */
|
5113 |
if (nographic) {
|
5114 |
dumb_display_init(ds); |
5115 |
} else {
|
5116 |
#if defined(CONFIG_SDL)
|
5117 |
sdl_display_init(ds, full_screen); |
5118 |
#elif defined(CONFIG_COCOA)
|
5119 |
cocoa_display_init(ds, full_screen); |
5120 |
#else
|
5121 |
dumb_display_init(ds); |
5122 |
#endif
|
5123 |
} |
5124 |
|
5125 |
monitor_hd = qemu_chr_open(monitor_device); |
5126 |
if (!monitor_hd) {
|
5127 |
fprintf(stderr, "qemu: could not open monitor device '%s'\n", monitor_device);
|
5128 |
exit(1);
|
5129 |
} |
5130 |
monitor_init(monitor_hd, !nographic); |
5131 |
|
5132 |
for(i = 0; i < MAX_SERIAL_PORTS; i++) { |
5133 |
if (serial_devices[i][0] != '\0') { |
5134 |
serial_hds[i] = qemu_chr_open(serial_devices[i]); |
5135 |
if (!serial_hds[i]) {
|
5136 |
fprintf(stderr, "qemu: could not open serial device '%s'\n",
|
5137 |
serial_devices[i]); |
5138 |
exit(1);
|
5139 |
} |
5140 |
if (!strcmp(serial_devices[i], "vc")) |
5141 |
qemu_chr_printf(serial_hds[i], "serial%d console\n", i);
|
5142 |
} |
5143 |
} |
5144 |
|
5145 |
for(i = 0; i < MAX_PARALLEL_PORTS; i++) { |
5146 |
if (parallel_devices[i][0] != '\0') { |
5147 |
parallel_hds[i] = qemu_chr_open(parallel_devices[i]); |
5148 |
if (!parallel_hds[i]) {
|
5149 |
fprintf(stderr, "qemu: could not open parallel device '%s'\n",
|
5150 |
parallel_devices[i]); |
5151 |
exit(1);
|
5152 |
} |
5153 |
if (!strcmp(parallel_devices[i], "vc")) |
5154 |
qemu_chr_printf(parallel_hds[i], "parallel%d console\n", i);
|
5155 |
} |
5156 |
} |
5157 |
|
5158 |
/* setup cpu signal handlers for MMU / self modifying code handling */
|
5159 |
#if !defined(CONFIG_SOFTMMU)
|
5160 |
|
5161 |
#if defined (TARGET_I386) && defined(USE_CODE_COPY)
|
5162 |
{ |
5163 |
stack_t stk; |
5164 |
signal_stack = memalign(16, SIGNAL_STACK_SIZE);
|
5165 |
stk.ss_sp = signal_stack; |
5166 |
stk.ss_size = SIGNAL_STACK_SIZE; |
5167 |
stk.ss_flags = 0;
|
5168 |
|
5169 |
if (sigaltstack(&stk, NULL) < 0) { |
5170 |
perror("sigaltstack");
|
5171 |
exit(1);
|
5172 |
} |
5173 |
} |
5174 |
#endif
|
5175 |
{ |
5176 |
struct sigaction act;
|
5177 |
|
5178 |
sigfillset(&act.sa_mask); |
5179 |
act.sa_flags = SA_SIGINFO; |
5180 |
#if defined (TARGET_I386) && defined(USE_CODE_COPY)
|
5181 |
act.sa_flags |= SA_ONSTACK; |
5182 |
#endif
|
5183 |
act.sa_sigaction = host_segv_handler; |
5184 |
sigaction(SIGSEGV, &act, NULL);
|
5185 |
sigaction(SIGBUS, &act, NULL);
|
5186 |
#if defined (TARGET_I386) && defined(USE_CODE_COPY)
|
5187 |
sigaction(SIGFPE, &act, NULL);
|
5188 |
#endif
|
5189 |
} |
5190 |
#endif
|
5191 |
|
5192 |
#ifndef _WIN32
|
5193 |
{ |
5194 |
struct sigaction act;
|
5195 |
sigfillset(&act.sa_mask); |
5196 |
act.sa_flags = 0;
|
5197 |
act.sa_handler = SIG_IGN; |
5198 |
sigaction(SIGPIPE, &act, NULL);
|
5199 |
} |
5200 |
#endif
|
5201 |
init_timers(); |
5202 |
|
5203 |
machine->init(ram_size, vga_ram_size, boot_device, |
5204 |
ds, fd_filename, snapshot, |
5205 |
kernel_filename, kernel_cmdline, initrd_filename); |
5206 |
|
5207 |
gui_timer = qemu_new_timer(rt_clock, gui_update, NULL);
|
5208 |
qemu_mod_timer(gui_timer, qemu_get_clock(rt_clock)); |
5209 |
|
5210 |
#ifdef CONFIG_GDBSTUB
|
5211 |
if (use_gdbstub) {
|
5212 |
if (gdbserver_start(gdbstub_port) < 0) { |
5213 |
fprintf(stderr, "Could not open gdbserver socket on port %d\n",
|
5214 |
gdbstub_port); |
5215 |
exit(1);
|
5216 |
} else {
|
5217 |
printf("Waiting gdb connection on port %d\n", gdbstub_port);
|
5218 |
} |
5219 |
} else
|
5220 |
#endif
|
5221 |
if (loadvm)
|
5222 |
qemu_loadvm(loadvm); |
5223 |
|
5224 |
{ |
5225 |
/* XXX: simplify init */
|
5226 |
read_passwords(); |
5227 |
if (start_emulation) {
|
5228 |
vm_start(); |
5229 |
} |
5230 |
} |
5231 |
main_loop(); |
5232 |
quit_timers(); |
5233 |
return 0; |
5234 |
} |