mirror of
https://github.com/qemu/qemu.git
synced 2024-11-25 11:53:39 +08:00
15a7644956
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1649 c046a42c-6fe2-441c-8c8c-71466251a162
4817 lines
123 KiB
C
4817 lines
123 KiB
C
/*
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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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#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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#ifdef HAS_AUDIO
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int audio_enabled = 0;
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int sb16_enabled = 0;
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int adlib_enabled = 0;
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int gus_enabled = 0;
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int es1370_enabled = 0;
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#endif
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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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TextConsole *vga_console;
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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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/***********************************************************/
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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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}
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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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}
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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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}
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int cpu_inb(CPUState *env, int addr)
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{
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int val;
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val = ioport_read_table[0][addr](ioport_opaque[addr], addr);
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#ifdef DEBUG_IOPORT
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if (loglevel & CPU_LOG_IOPORT)
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fprintf(logfile, "inb : %04x %02x\n", addr, val);
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#endif
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return val;
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}
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int cpu_inw(CPUState *env, int addr)
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{
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int val;
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val = ioport_read_table[1][addr](ioport_opaque[addr], addr);
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#ifdef DEBUG_IOPORT
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if (loglevel & CPU_LOG_IOPORT)
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fprintf(logfile, "inw : %04x %04x\n", addr, val);
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#endif
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return val;
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}
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int cpu_inl(CPUState *env, int addr)
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{
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int val;
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val = ioport_read_table[2][addr](ioport_opaque[addr], addr);
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#ifdef DEBUG_IOPORT
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if (loglevel & CPU_LOG_IOPORT)
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fprintf(logfile, "inl : %04x %08x\n", addr, val);
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#endif
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return val;
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}
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/***********************************************************/
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void hw_error(const char *fmt, ...)
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{
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va_list ap;
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CPUState *env;
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va_start(ap, fmt);
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fprintf(stderr, "qemu: hardware error: ");
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vfprintf(stderr, fmt, ap);
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fprintf(stderr, "\n");
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for(env = first_cpu; env != NULL; env = env->next_cpu) {
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fprintf(stderr, "CPU #%d:\n", env->cpu_index);
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#ifdef TARGET_I386
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cpu_dump_state(env, stderr, fprintf, X86_DUMP_FPU);
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#else
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cpu_dump_state(env, stderr, fprintf, 0);
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#endif
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}
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va_end(ap);
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abort();
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}
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/***********************************************************/
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/* keyboard/mouse */
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static QEMUPutKBDEvent *qemu_put_kbd_event;
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static void *qemu_put_kbd_event_opaque;
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static QEMUPutMouseEvent *qemu_put_mouse_event;
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static void *qemu_put_mouse_event_opaque;
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void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque)
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{
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qemu_put_kbd_event_opaque = opaque;
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qemu_put_kbd_event = func;
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}
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void qemu_add_mouse_event_handler(QEMUPutMouseEvent *func, void *opaque)
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{
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qemu_put_mouse_event_opaque = opaque;
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qemu_put_mouse_event = func;
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}
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void kbd_put_keycode(int keycode)
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{
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if (qemu_put_kbd_event) {
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qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode);
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}
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|
}
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|
void kbd_mouse_event(int dx, int dy, int dz, int buttons_state)
|
|
{
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if (qemu_put_mouse_event) {
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qemu_put_mouse_event(qemu_put_mouse_event_opaque,
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dx, dy, dz, buttons_state);
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}
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}
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|
|
/***********************************************************/
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|
/* timers */
|
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|
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#if defined(__powerpc__)
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static inline uint32_t get_tbl(void)
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{
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uint32_t tbl;
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asm volatile("mftb %0" : "=r" (tbl));
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return tbl;
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}
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|
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static inline uint32_t get_tbu(void)
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{
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uint32_t tbl;
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asm volatile("mftbu %0" : "=r" (tbl));
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return tbl;
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|
}
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|
|
int64_t cpu_get_real_ticks(void)
|
|
{
|
|
uint32_t l, h, h1;
|
|
/* NOTE: we test if wrapping has occurred */
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do {
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h = get_tbu();
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l = get_tbl();
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|
h1 = get_tbu();
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|
} while (h != h1);
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|
return ((int64_t)h << 32) | l;
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|
}
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|
|
#elif defined(__i386__)
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|
|
|
int64_t cpu_get_real_ticks(void)
|
|
{
|
|
int64_t val;
|
|
asm volatile ("rdtsc" : "=A" (val));
|
|
return val;
|
|
}
|
|
|
|
#elif defined(__x86_64__)
|
|
|
|
int64_t cpu_get_real_ticks(void)
|
|
{
|
|
uint32_t low,high;
|
|
int64_t val;
|
|
asm volatile("rdtsc" : "=a" (low), "=d" (high));
|
|
val = high;
|
|
val <<= 32;
|
|
val |= low;
|
|
return val;
|
|
}
|
|
|
|
#elif defined(__ia64)
|
|
|
|
int64_t cpu_get_real_ticks(void)
|
|
{
|
|
int64_t val;
|
|
asm volatile ("mov %0 = ar.itc" : "=r"(val) :: "memory");
|
|
return val;
|
|
}
|
|
|
|
#elif defined(__s390__)
|
|
|
|
int64_t cpu_get_real_ticks(void)
|
|
{
|
|
int64_t val;
|
|
asm volatile("stck 0(%1)" : "=m" (val) : "a" (&val) : "cc");
|
|
return val;
|
|
}
|
|
|
|
#else
|
|
#error unsupported CPU
|
|
#endif
|
|
|
|
static int64_t cpu_ticks_offset;
|
|
static int cpu_ticks_enabled;
|
|
|
|
static inline int64_t cpu_get_ticks(void)
|
|
{
|
|
if (!cpu_ticks_enabled) {
|
|
return cpu_ticks_offset;
|
|
} else {
|
|
return cpu_get_real_ticks() + cpu_ticks_offset;
|
|
}
|
|
}
|
|
|
|
/* enable cpu_get_ticks() */
|
|
void cpu_enable_ticks(void)
|
|
{
|
|
if (!cpu_ticks_enabled) {
|
|
cpu_ticks_offset -= cpu_get_real_ticks();
|
|
cpu_ticks_enabled = 1;
|
|
}
|
|
}
|
|
|
|
/* disable cpu_get_ticks() : the clock is stopped. You must not call
|
|
cpu_get_ticks() after that. */
|
|
void cpu_disable_ticks(void)
|
|
{
|
|
if (cpu_ticks_enabled) {
|
|
cpu_ticks_offset = cpu_get_ticks();
|
|
cpu_ticks_enabled = 0;
|
|
}
|
|
}
|
|
|
|
static int64_t get_clock(void)
|
|
{
|
|
#ifdef _WIN32
|
|
struct _timeb tb;
|
|
_ftime(&tb);
|
|
return ((int64_t)tb.time * 1000 + (int64_t)tb.millitm) * 1000;
|
|
#else
|
|
struct timeval tv;
|
|
gettimeofday(&tv, NULL);
|
|
return tv.tv_sec * 1000000LL + tv.tv_usec;
|
|
#endif
|
|
}
|
|
|
|
void cpu_calibrate_ticks(void)
|
|
{
|
|
int64_t usec, ticks;
|
|
|
|
usec = get_clock();
|
|
ticks = cpu_get_real_ticks();
|
|
#ifdef _WIN32
|
|
Sleep(50);
|
|
#else
|
|
usleep(50 * 1000);
|
|
#endif
|
|
usec = get_clock() - usec;
|
|
ticks = cpu_get_real_ticks() - ticks;
|
|
ticks_per_sec = (ticks * 1000000LL + (usec >> 1)) / usec;
|
|
}
|
|
|
|
/* compute with 96 bit intermediate result: (a*b)/c */
|
|
uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c)
|
|
{
|
|
union {
|
|
uint64_t ll;
|
|
struct {
|
|
#ifdef WORDS_BIGENDIAN
|
|
uint32_t high, low;
|
|
#else
|
|
uint32_t low, high;
|
|
#endif
|
|
} l;
|
|
} u, res;
|
|
uint64_t rl, rh;
|
|
|
|
u.ll = a;
|
|
rl = (uint64_t)u.l.low * (uint64_t)b;
|
|
rh = (uint64_t)u.l.high * (uint64_t)b;
|
|
rh += (rl >> 32);
|
|
res.l.high = rh / c;
|
|
res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c;
|
|
return res.ll;
|
|
}
|
|
|
|
#define QEMU_TIMER_REALTIME 0
|
|
#define QEMU_TIMER_VIRTUAL 1
|
|
|
|
struct QEMUClock {
|
|
int type;
|
|
/* XXX: add frequency */
|
|
};
|
|
|
|
struct QEMUTimer {
|
|
QEMUClock *clock;
|
|
int64_t expire_time;
|
|
QEMUTimerCB *cb;
|
|
void *opaque;
|
|
struct QEMUTimer *next;
|
|
};
|
|
|
|
QEMUClock *rt_clock;
|
|
QEMUClock *vm_clock;
|
|
|
|
static QEMUTimer *active_timers[2];
|
|
#ifdef _WIN32
|
|
static MMRESULT timerID;
|
|
#else
|
|
/* frequency of the times() clock tick */
|
|
static int timer_freq;
|
|
#endif
|
|
|
|
QEMUClock *qemu_new_clock(int type)
|
|
{
|
|
QEMUClock *clock;
|
|
clock = qemu_mallocz(sizeof(QEMUClock));
|
|
if (!clock)
|
|
return NULL;
|
|
clock->type = type;
|
|
return clock;
|
|
}
|
|
|
|
QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque)
|
|
{
|
|
QEMUTimer *ts;
|
|
|
|
ts = qemu_mallocz(sizeof(QEMUTimer));
|
|
ts->clock = clock;
|
|
ts->cb = cb;
|
|
ts->opaque = opaque;
|
|
return ts;
|
|
}
|
|
|
|
void qemu_free_timer(QEMUTimer *ts)
|
|
{
|
|
qemu_free(ts);
|
|
}
|
|
|
|
/* stop a timer, but do not dealloc it */
|
|
void qemu_del_timer(QEMUTimer *ts)
|
|
{
|
|
QEMUTimer **pt, *t;
|
|
|
|
/* NOTE: this code must be signal safe because
|
|
qemu_timer_expired() can be called from a signal. */
|
|
pt = &active_timers[ts->clock->type];
|
|
for(;;) {
|
|
t = *pt;
|
|
if (!t)
|
|
break;
|
|
if (t == ts) {
|
|
*pt = t->next;
|
|
break;
|
|
}
|
|
pt = &t->next;
|
|
}
|
|
}
|
|
|
|
/* modify the current timer so that it will be fired when current_time
|
|
>= expire_time. The corresponding callback will be called. */
|
|
void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time)
|
|
{
|
|
QEMUTimer **pt, *t;
|
|
|
|
qemu_del_timer(ts);
|
|
|
|
/* add the timer in the sorted list */
|
|
/* NOTE: this code must be signal safe because
|
|
qemu_timer_expired() can be called from a signal. */
|
|
pt = &active_timers[ts->clock->type];
|
|
for(;;) {
|
|
t = *pt;
|
|
if (!t)
|
|
break;
|
|
if (t->expire_time > expire_time)
|
|
break;
|
|
pt = &t->next;
|
|
}
|
|
ts->expire_time = expire_time;
|
|
ts->next = *pt;
|
|
*pt = ts;
|
|
}
|
|
|
|
int qemu_timer_pending(QEMUTimer *ts)
|
|
{
|
|
QEMUTimer *t;
|
|
for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) {
|
|
if (t == ts)
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static inline int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time)
|
|
{
|
|
if (!timer_head)
|
|
return 0;
|
|
return (timer_head->expire_time <= current_time);
|
|
}
|
|
|
|
static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time)
|
|
{
|
|
QEMUTimer *ts;
|
|
|
|
for(;;) {
|
|
ts = *ptimer_head;
|
|
if (!ts || ts->expire_time > current_time)
|
|
break;
|
|
/* remove timer from the list before calling the callback */
|
|
*ptimer_head = ts->next;
|
|
ts->next = NULL;
|
|
|
|
/* run the callback (the timer list can be modified) */
|
|
ts->cb(ts->opaque);
|
|
}
|
|
}
|
|
|
|
int64_t qemu_get_clock(QEMUClock *clock)
|
|
{
|
|
switch(clock->type) {
|
|
case QEMU_TIMER_REALTIME:
|
|
#ifdef _WIN32
|
|
return GetTickCount();
|
|
#else
|
|
{
|
|
struct tms tp;
|
|
|
|
/* Note that using gettimeofday() is not a good solution
|
|
for timers because its value change when the date is
|
|
modified. */
|
|
if (timer_freq == 100) {
|
|
return times(&tp) * 10;
|
|
} else {
|
|
return ((int64_t)times(&tp) * 1000) / timer_freq;
|
|
}
|
|
}
|
|
#endif
|
|
default:
|
|
case QEMU_TIMER_VIRTUAL:
|
|
return cpu_get_ticks();
|
|
}
|
|
}
|
|
|
|
/* save a timer */
|
|
void qemu_put_timer(QEMUFile *f, QEMUTimer *ts)
|
|
{
|
|
uint64_t expire_time;
|
|
|
|
if (qemu_timer_pending(ts)) {
|
|
expire_time = ts->expire_time;
|
|
} else {
|
|
expire_time = -1;
|
|
}
|
|
qemu_put_be64(f, expire_time);
|
|
}
|
|
|
|
void qemu_get_timer(QEMUFile *f, QEMUTimer *ts)
|
|
{
|
|
uint64_t expire_time;
|
|
|
|
expire_time = qemu_get_be64(f);
|
|
if (expire_time != -1) {
|
|
qemu_mod_timer(ts, expire_time);
|
|
} else {
|
|
qemu_del_timer(ts);
|
|
}
|
|
}
|
|
|
|
static void timer_save(QEMUFile *f, void *opaque)
|
|
{
|
|
if (cpu_ticks_enabled) {
|
|
hw_error("cannot save state if virtual timers are running");
|
|
}
|
|
qemu_put_be64s(f, &cpu_ticks_offset);
|
|
qemu_put_be64s(f, &ticks_per_sec);
|
|
}
|
|
|
|
static int timer_load(QEMUFile *f, void *opaque, int version_id)
|
|
{
|
|
if (version_id != 1)
|
|
return -EINVAL;
|
|
if (cpu_ticks_enabled) {
|
|
return -EINVAL;
|
|
}
|
|
qemu_get_be64s(f, &cpu_ticks_offset);
|
|
qemu_get_be64s(f, &ticks_per_sec);
|
|
return 0;
|
|
}
|
|
|
|
#ifdef _WIN32
|
|
void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg,
|
|
DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2)
|
|
#else
|
|
static void host_alarm_handler(int host_signum)
|
|
#endif
|
|
{
|
|
#if 0
|
|
#define DISP_FREQ 1000
|
|
{
|
|
static int64_t delta_min = INT64_MAX;
|
|
static int64_t delta_max, delta_cum, last_clock, delta, ti;
|
|
static int count;
|
|
ti = qemu_get_clock(vm_clock);
|
|
if (last_clock != 0) {
|
|
delta = ti - last_clock;
|
|
if (delta < delta_min)
|
|
delta_min = delta;
|
|
if (delta > delta_max)
|
|
delta_max = delta;
|
|
delta_cum += delta;
|
|
if (++count == DISP_FREQ) {
|
|
printf("timer: min=%lld us max=%lld us avg=%lld us avg_freq=%0.3f Hz\n",
|
|
muldiv64(delta_min, 1000000, ticks_per_sec),
|
|
muldiv64(delta_max, 1000000, ticks_per_sec),
|
|
muldiv64(delta_cum, 1000000 / DISP_FREQ, ticks_per_sec),
|
|
(double)ticks_per_sec / ((double)delta_cum / DISP_FREQ));
|
|
count = 0;
|
|
delta_min = INT64_MAX;
|
|
delta_max = 0;
|
|
delta_cum = 0;
|
|
}
|
|
}
|
|
last_clock = ti;
|
|
}
|
|
#endif
|
|
if (qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL],
|
|
qemu_get_clock(vm_clock)) ||
|
|
qemu_timer_expired(active_timers[QEMU_TIMER_REALTIME],
|
|
qemu_get_clock(rt_clock))) {
|
|
CPUState *env = cpu_single_env;
|
|
if (env) {
|
|
/* stop the currently executing cpu because a timer occured */
|
|
cpu_interrupt(env, CPU_INTERRUPT_EXIT);
|
|
#ifdef USE_KQEMU
|
|
if (env->kqemu_enabled) {
|
|
kqemu_cpu_interrupt(env);
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
}
|
|
|
|
#ifndef _WIN32
|
|
|
|
#if defined(__linux__)
|
|
|
|
#define RTC_FREQ 1024
|
|
|
|
static int rtc_fd;
|
|
|
|
static int start_rtc_timer(void)
|
|
{
|
|
rtc_fd = open("/dev/rtc", O_RDONLY);
|
|
if (rtc_fd < 0)
|
|
return -1;
|
|
if (ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) {
|
|
fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n"
|
|
"error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n"
|
|
"type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n");
|
|
goto fail;
|
|
}
|
|
if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) {
|
|
fail:
|
|
close(rtc_fd);
|
|
return -1;
|
|
}
|
|
pit_min_timer_count = PIT_FREQ / RTC_FREQ;
|
|
return 0;
|
|
}
|
|
|
|
#else
|
|
|
|
static int start_rtc_timer(void)
|
|
{
|
|
return -1;
|
|
}
|
|
|
|
#endif /* !defined(__linux__) */
|
|
|
|
#endif /* !defined(_WIN32) */
|
|
|
|
static void init_timers(void)
|
|
{
|
|
rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME);
|
|
vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL);
|
|
|
|
#ifdef _WIN32
|
|
{
|
|
int count=0;
|
|
timerID = timeSetEvent(1, // interval (ms)
|
|
0, // resolution
|
|
host_alarm_handler, // function
|
|
(DWORD)&count, // user parameter
|
|
TIME_PERIODIC | TIME_CALLBACK_FUNCTION);
|
|
if( !timerID ) {
|
|
perror("failed timer alarm");
|
|
exit(1);
|
|
}
|
|
}
|
|
pit_min_timer_count = ((uint64_t)10000 * PIT_FREQ) / 1000000;
|
|
#else
|
|
{
|
|
struct sigaction act;
|
|
struct itimerval itv;
|
|
|
|
/* get times() syscall frequency */
|
|
timer_freq = sysconf(_SC_CLK_TCK);
|
|
|
|
/* timer signal */
|
|
sigfillset(&act.sa_mask);
|
|
act.sa_flags = 0;
|
|
#if defined (TARGET_I386) && defined(USE_CODE_COPY)
|
|
act.sa_flags |= SA_ONSTACK;
|
|
#endif
|
|
act.sa_handler = host_alarm_handler;
|
|
sigaction(SIGALRM, &act, NULL);
|
|
|
|
itv.it_interval.tv_sec = 0;
|
|
itv.it_interval.tv_usec = 999; /* for i386 kernel 2.6 to get 1 ms */
|
|
itv.it_value.tv_sec = 0;
|
|
itv.it_value.tv_usec = 10 * 1000;
|
|
setitimer(ITIMER_REAL, &itv, NULL);
|
|
/* we probe the tick duration of the kernel to inform the user if
|
|
the emulated kernel requested a too high timer frequency */
|
|
getitimer(ITIMER_REAL, &itv);
|
|
|
|
#if defined(__linux__)
|
|
if (itv.it_interval.tv_usec > 1000) {
|
|
/* try to use /dev/rtc to have a faster timer */
|
|
if (start_rtc_timer() < 0)
|
|
goto use_itimer;
|
|
/* disable itimer */
|
|
itv.it_interval.tv_sec = 0;
|
|
itv.it_interval.tv_usec = 0;
|
|
itv.it_value.tv_sec = 0;
|
|
itv.it_value.tv_usec = 0;
|
|
setitimer(ITIMER_REAL, &itv, NULL);
|
|
|
|
/* use the RTC */
|
|
sigaction(SIGIO, &act, NULL);
|
|
fcntl(rtc_fd, F_SETFL, O_ASYNC);
|
|
fcntl(rtc_fd, F_SETOWN, getpid());
|
|
} else
|
|
#endif /* defined(__linux__) */
|
|
{
|
|
use_itimer:
|
|
pit_min_timer_count = ((uint64_t)itv.it_interval.tv_usec *
|
|
PIT_FREQ) / 1000000;
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
|
|
void quit_timers(void)
|
|
{
|
|
#ifdef _WIN32
|
|
timeKillEvent(timerID);
|
|
#endif
|
|
}
|
|
|
|
/***********************************************************/
|
|
/* character device */
|
|
|
|
int qemu_chr_write(CharDriverState *s, const uint8_t *buf, int len)
|
|
{
|
|
return s->chr_write(s, buf, len);
|
|
}
|
|
|
|
int qemu_chr_ioctl(CharDriverState *s, int cmd, void *arg)
|
|
{
|
|
if (!s->chr_ioctl)
|
|
return -ENOTSUP;
|
|
return s->chr_ioctl(s, cmd, arg);
|
|
}
|
|
|
|
void qemu_chr_printf(CharDriverState *s, const char *fmt, ...)
|
|
{
|
|
char buf[4096];
|
|
va_list ap;
|
|
va_start(ap, fmt);
|
|
vsnprintf(buf, sizeof(buf), fmt, ap);
|
|
qemu_chr_write(s, buf, strlen(buf));
|
|
va_end(ap);
|
|
}
|
|
|
|
void qemu_chr_send_event(CharDriverState *s, int event)
|
|
{
|
|
if (s->chr_send_event)
|
|
s->chr_send_event(s, event);
|
|
}
|
|
|
|
void qemu_chr_add_read_handler(CharDriverState *s,
|
|
IOCanRWHandler *fd_can_read,
|
|
IOReadHandler *fd_read, void *opaque)
|
|
{
|
|
s->chr_add_read_handler(s, fd_can_read, fd_read, opaque);
|
|
}
|
|
|
|
void qemu_chr_add_event_handler(CharDriverState *s, IOEventHandler *chr_event)
|
|
{
|
|
s->chr_event = chr_event;
|
|
}
|
|
|
|
static int null_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
|
|
{
|
|
return len;
|
|
}
|
|
|
|
static void null_chr_add_read_handler(CharDriverState *chr,
|
|
IOCanRWHandler *fd_can_read,
|
|
IOReadHandler *fd_read, void *opaque)
|
|
{
|
|
}
|
|
|
|
CharDriverState *qemu_chr_open_null(void)
|
|
{
|
|
CharDriverState *chr;
|
|
|
|
chr = qemu_mallocz(sizeof(CharDriverState));
|
|
if (!chr)
|
|
return NULL;
|
|
chr->chr_write = null_chr_write;
|
|
chr->chr_add_read_handler = null_chr_add_read_handler;
|
|
return chr;
|
|
}
|
|
|
|
#ifndef _WIN32
|
|
|
|
typedef struct {
|
|
int fd_in, fd_out;
|
|
IOCanRWHandler *fd_can_read;
|
|
IOReadHandler *fd_read;
|
|
void *fd_opaque;
|
|
int max_size;
|
|
} FDCharDriver;
|
|
|
|
#define STDIO_MAX_CLIENTS 2
|
|
|
|
static int stdio_nb_clients;
|
|
static CharDriverState *stdio_clients[STDIO_MAX_CLIENTS];
|
|
|
|
static int unix_write(int fd, const uint8_t *buf, int len1)
|
|
{
|
|
int ret, len;
|
|
|
|
len = len1;
|
|
while (len > 0) {
|
|
ret = write(fd, buf, len);
|
|
if (ret < 0) {
|
|
if (errno != EINTR && errno != EAGAIN)
|
|
return -1;
|
|
} else if (ret == 0) {
|
|
break;
|
|
} else {
|
|
buf += ret;
|
|
len -= ret;
|
|
}
|
|
}
|
|
return len1 - len;
|
|
}
|
|
|
|
static int fd_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
|
|
{
|
|
FDCharDriver *s = chr->opaque;
|
|
return unix_write(s->fd_out, buf, len);
|
|
}
|
|
|
|
static int fd_chr_read_poll(void *opaque)
|
|
{
|
|
CharDriverState *chr = opaque;
|
|
FDCharDriver *s = chr->opaque;
|
|
|
|
s->max_size = s->fd_can_read(s->fd_opaque);
|
|
return s->max_size;
|
|
}
|
|
|
|
static void fd_chr_read(void *opaque)
|
|
{
|
|
CharDriverState *chr = opaque;
|
|
FDCharDriver *s = chr->opaque;
|
|
int size, len;
|
|
uint8_t buf[1024];
|
|
|
|
len = sizeof(buf);
|
|
if (len > s->max_size)
|
|
len = s->max_size;
|
|
if (len == 0)
|
|
return;
|
|
size = read(s->fd_in, buf, len);
|
|
if (size > 0) {
|
|
s->fd_read(s->fd_opaque, buf, size);
|
|
}
|
|
}
|
|
|
|
static void fd_chr_add_read_handler(CharDriverState *chr,
|
|
IOCanRWHandler *fd_can_read,
|
|
IOReadHandler *fd_read, void *opaque)
|
|
{
|
|
FDCharDriver *s = chr->opaque;
|
|
|
|
if (s->fd_in >= 0) {
|
|
s->fd_can_read = fd_can_read;
|
|
s->fd_read = fd_read;
|
|
s->fd_opaque = opaque;
|
|
if (nographic && s->fd_in == 0) {
|
|
} else {
|
|
qemu_set_fd_handler2(s->fd_in, fd_chr_read_poll,
|
|
fd_chr_read, NULL, chr);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* open a character device to a unix fd */
|
|
CharDriverState *qemu_chr_open_fd(int fd_in, int fd_out)
|
|
{
|
|
CharDriverState *chr;
|
|
FDCharDriver *s;
|
|
|
|
chr = qemu_mallocz(sizeof(CharDriverState));
|
|
if (!chr)
|
|
return NULL;
|
|
s = qemu_mallocz(sizeof(FDCharDriver));
|
|
if (!s) {
|
|
free(chr);
|
|
return NULL;
|
|
}
|
|
s->fd_in = fd_in;
|
|
s->fd_out = fd_out;
|
|
chr->opaque = s;
|
|
chr->chr_write = fd_chr_write;
|
|
chr->chr_add_read_handler = fd_chr_add_read_handler;
|
|
return chr;
|
|
}
|
|
|
|
CharDriverState *qemu_chr_open_file_out(const char *file_out)
|
|
{
|
|
int fd_out;
|
|
|
|
fd_out = open(file_out, O_WRONLY | O_TRUNC | O_CREAT | O_BINARY);
|
|
if (fd_out < 0)
|
|
return NULL;
|
|
return qemu_chr_open_fd(-1, fd_out);
|
|
}
|
|
|
|
CharDriverState *qemu_chr_open_pipe(const char *filename)
|
|
{
|
|
int fd;
|
|
|
|
fd = open(filename, O_RDWR | O_BINARY);
|
|
if (fd < 0)
|
|
return NULL;
|
|
return qemu_chr_open_fd(fd, fd);
|
|
}
|
|
|
|
|
|
/* for STDIO, we handle the case where several clients use it
|
|
(nographic mode) */
|
|
|
|
#define TERM_ESCAPE 0x01 /* ctrl-a is used for escape */
|
|
|
|
#define TERM_FIFO_MAX_SIZE 1
|
|
|
|
static int term_got_escape, client_index;
|
|
static uint8_t term_fifo[TERM_FIFO_MAX_SIZE];
|
|
int term_fifo_size;
|
|
|
|
void term_print_help(void)
|
|
{
|
|
printf("\n"
|
|
"C-a h print this help\n"
|
|
"C-a x exit emulator\n"
|
|
"C-a s save disk data back to file (if -snapshot)\n"
|
|
"C-a b send break (magic sysrq)\n"
|
|
"C-a c switch between console and monitor\n"
|
|
"C-a C-a send C-a\n"
|
|
);
|
|
}
|
|
|
|
/* called when a char is received */
|
|
static void stdio_received_byte(int ch)
|
|
{
|
|
if (term_got_escape) {
|
|
term_got_escape = 0;
|
|
switch(ch) {
|
|
case 'h':
|
|
term_print_help();
|
|
break;
|
|
case 'x':
|
|
exit(0);
|
|
break;
|
|
case 's':
|
|
{
|
|
int i;
|
|
for (i = 0; i < MAX_DISKS; i++) {
|
|
if (bs_table[i])
|
|
bdrv_commit(bs_table[i]);
|
|
}
|
|
}
|
|
break;
|
|
case 'b':
|
|
if (client_index < stdio_nb_clients) {
|
|
CharDriverState *chr;
|
|
FDCharDriver *s;
|
|
|
|
chr = stdio_clients[client_index];
|
|
s = chr->opaque;
|
|
chr->chr_event(s->fd_opaque, CHR_EVENT_BREAK);
|
|
}
|
|
break;
|
|
case 'c':
|
|
client_index++;
|
|
if (client_index >= stdio_nb_clients)
|
|
client_index = 0;
|
|
if (client_index == 0) {
|
|
/* send a new line in the monitor to get the prompt */
|
|
ch = '\r';
|
|
goto send_char;
|
|
}
|
|
break;
|
|
case TERM_ESCAPE:
|
|
goto send_char;
|
|
}
|
|
} else if (ch == TERM_ESCAPE) {
|
|
term_got_escape = 1;
|
|
} else {
|
|
send_char:
|
|
if (client_index < stdio_nb_clients) {
|
|
uint8_t buf[1];
|
|
CharDriverState *chr;
|
|
FDCharDriver *s;
|
|
|
|
chr = stdio_clients[client_index];
|
|
s = chr->opaque;
|
|
if (s->fd_can_read(s->fd_opaque) > 0) {
|
|
buf[0] = ch;
|
|
s->fd_read(s->fd_opaque, buf, 1);
|
|
} else if (term_fifo_size == 0) {
|
|
term_fifo[term_fifo_size++] = ch;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static int stdio_read_poll(void *opaque)
|
|
{
|
|
CharDriverState *chr;
|
|
FDCharDriver *s;
|
|
|
|
if (client_index < stdio_nb_clients) {
|
|
chr = stdio_clients[client_index];
|
|
s = chr->opaque;
|
|
/* try to flush the queue if needed */
|
|
if (term_fifo_size != 0 && s->fd_can_read(s->fd_opaque) > 0) {
|
|
s->fd_read(s->fd_opaque, term_fifo, 1);
|
|
term_fifo_size = 0;
|
|
}
|
|
/* see if we can absorb more chars */
|
|
if (term_fifo_size == 0)
|
|
return 1;
|
|
else
|
|
return 0;
|
|
} else {
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
static void stdio_read(void *opaque)
|
|
{
|
|
int size;
|
|
uint8_t buf[1];
|
|
|
|
size = read(0, buf, 1);
|
|
if (size > 0)
|
|
stdio_received_byte(buf[0]);
|
|
}
|
|
|
|
/* init terminal so that we can grab keys */
|
|
static struct termios oldtty;
|
|
static int old_fd0_flags;
|
|
|
|
static void term_exit(void)
|
|
{
|
|
tcsetattr (0, TCSANOW, &oldtty);
|
|
fcntl(0, F_SETFL, old_fd0_flags);
|
|
}
|
|
|
|
static void term_init(void)
|
|
{
|
|
struct termios tty;
|
|
|
|
tcgetattr (0, &tty);
|
|
oldtty = tty;
|
|
old_fd0_flags = fcntl(0, F_GETFL);
|
|
|
|
tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
|
|
|INLCR|IGNCR|ICRNL|IXON);
|
|
tty.c_oflag |= OPOST;
|
|
tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
|
|
/* if graphical mode, we allow Ctrl-C handling */
|
|
if (nographic)
|
|
tty.c_lflag &= ~ISIG;
|
|
tty.c_cflag &= ~(CSIZE|PARENB);
|
|
tty.c_cflag |= CS8;
|
|
tty.c_cc[VMIN] = 1;
|
|
tty.c_cc[VTIME] = 0;
|
|
|
|
tcsetattr (0, TCSANOW, &tty);
|
|
|
|
atexit(term_exit);
|
|
|
|
fcntl(0, F_SETFL, O_NONBLOCK);
|
|
}
|
|
|
|
CharDriverState *qemu_chr_open_stdio(void)
|
|
{
|
|
CharDriverState *chr;
|
|
|
|
if (nographic) {
|
|
if (stdio_nb_clients >= STDIO_MAX_CLIENTS)
|
|
return NULL;
|
|
chr = qemu_chr_open_fd(0, 1);
|
|
if (stdio_nb_clients == 0)
|
|
qemu_set_fd_handler2(0, stdio_read_poll, stdio_read, NULL, NULL);
|
|
client_index = stdio_nb_clients;
|
|
} else {
|
|
if (stdio_nb_clients != 0)
|
|
return NULL;
|
|
chr = qemu_chr_open_fd(0, 1);
|
|
}
|
|
stdio_clients[stdio_nb_clients++] = chr;
|
|
if (stdio_nb_clients == 1) {
|
|
/* set the terminal in raw mode */
|
|
term_init();
|
|
}
|
|
return chr;
|
|
}
|
|
|
|
#if defined(__linux__)
|
|
CharDriverState *qemu_chr_open_pty(void)
|
|
{
|
|
char slave_name[1024];
|
|
int master_fd, slave_fd;
|
|
|
|
/* Not satisfying */
|
|
if (openpty(&master_fd, &slave_fd, slave_name, NULL, NULL) < 0) {
|
|
return NULL;
|
|
}
|
|
fprintf(stderr, "char device redirected to %s\n", slave_name);
|
|
return qemu_chr_open_fd(master_fd, master_fd);
|
|
}
|
|
|
|
static void tty_serial_init(int fd, int speed,
|
|
int parity, int data_bits, int stop_bits)
|
|
{
|
|
struct termios tty;
|
|
speed_t spd;
|
|
|
|
#if 0
|
|
printf("tty_serial_init: speed=%d parity=%c data=%d stop=%d\n",
|
|
speed, parity, data_bits, stop_bits);
|
|
#endif
|
|
tcgetattr (fd, &tty);
|
|
|
|
switch(speed) {
|
|
case 50:
|
|
spd = B50;
|
|
break;
|
|
case 75:
|
|
spd = B75;
|
|
break;
|
|
case 300:
|
|
spd = B300;
|
|
break;
|
|
case 600:
|
|
spd = B600;
|
|
break;
|
|
case 1200:
|
|
spd = B1200;
|
|
break;
|
|
case 2400:
|
|
spd = B2400;
|
|
break;
|
|
case 4800:
|
|
spd = B4800;
|
|
break;
|
|
case 9600:
|
|
spd = B9600;
|
|
break;
|
|
case 19200:
|
|
spd = B19200;
|
|
break;
|
|
case 38400:
|
|
spd = B38400;
|
|
break;
|
|
case 57600:
|
|
spd = B57600;
|
|
break;
|
|
default:
|
|
case 115200:
|
|
spd = B115200;
|
|
break;
|
|
}
|
|
|
|
cfsetispeed(&tty, spd);
|
|
cfsetospeed(&tty, spd);
|
|
|
|
tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
|
|
|INLCR|IGNCR|ICRNL|IXON);
|
|
tty.c_oflag |= OPOST;
|
|
tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN|ISIG);
|
|
tty.c_cflag &= ~(CSIZE|PARENB|PARODD|CRTSCTS);
|
|
switch(data_bits) {
|
|
default:
|
|
case 8:
|
|
tty.c_cflag |= CS8;
|
|
break;
|
|
case 7:
|
|
tty.c_cflag |= CS7;
|
|
break;
|
|
case 6:
|
|
tty.c_cflag |= CS6;
|
|
break;
|
|
case 5:
|
|
tty.c_cflag |= CS5;
|
|
break;
|
|
}
|
|
switch(parity) {
|
|
default:
|
|
case 'N':
|
|
break;
|
|
case 'E':
|
|
tty.c_cflag |= PARENB;
|
|
break;
|
|
case 'O':
|
|
tty.c_cflag |= PARENB | PARODD;
|
|
break;
|
|
}
|
|
|
|
tcsetattr (fd, TCSANOW, &tty);
|
|
}
|
|
|
|
static int tty_serial_ioctl(CharDriverState *chr, int cmd, void *arg)
|
|
{
|
|
FDCharDriver *s = chr->opaque;
|
|
|
|
switch(cmd) {
|
|
case CHR_IOCTL_SERIAL_SET_PARAMS:
|
|
{
|
|
QEMUSerialSetParams *ssp = arg;
|
|
tty_serial_init(s->fd_in, ssp->speed, ssp->parity,
|
|
ssp->data_bits, ssp->stop_bits);
|
|
}
|
|
break;
|
|
case CHR_IOCTL_SERIAL_SET_BREAK:
|
|
{
|
|
int enable = *(int *)arg;
|
|
if (enable)
|
|
tcsendbreak(s->fd_in, 1);
|
|
}
|
|
break;
|
|
default:
|
|
return -ENOTSUP;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
CharDriverState *qemu_chr_open_tty(const char *filename)
|
|
{
|
|
CharDriverState *chr;
|
|
int fd;
|
|
|
|
fd = open(filename, O_RDWR | O_NONBLOCK);
|
|
if (fd < 0)
|
|
return NULL;
|
|
fcntl(fd, F_SETFL, O_NONBLOCK);
|
|
tty_serial_init(fd, 115200, 'N', 8, 1);
|
|
chr = qemu_chr_open_fd(fd, fd);
|
|
if (!chr)
|
|
return NULL;
|
|
chr->chr_ioctl = tty_serial_ioctl;
|
|
return chr;
|
|
}
|
|
|
|
static int pp_ioctl(CharDriverState *chr, int cmd, void *arg)
|
|
{
|
|
int fd = (int)chr->opaque;
|
|
uint8_t b;
|
|
|
|
switch(cmd) {
|
|
case CHR_IOCTL_PP_READ_DATA:
|
|
if (ioctl(fd, PPRDATA, &b) < 0)
|
|
return -ENOTSUP;
|
|
*(uint8_t *)arg = b;
|
|
break;
|
|
case CHR_IOCTL_PP_WRITE_DATA:
|
|
b = *(uint8_t *)arg;
|
|
if (ioctl(fd, PPWDATA, &b) < 0)
|
|
return -ENOTSUP;
|
|
break;
|
|
case CHR_IOCTL_PP_READ_CONTROL:
|
|
if (ioctl(fd, PPRCONTROL, &b) < 0)
|
|
return -ENOTSUP;
|
|
*(uint8_t *)arg = b;
|
|
break;
|
|
case CHR_IOCTL_PP_WRITE_CONTROL:
|
|
b = *(uint8_t *)arg;
|
|
if (ioctl(fd, PPWCONTROL, &b) < 0)
|
|
return -ENOTSUP;
|
|
break;
|
|
case CHR_IOCTL_PP_READ_STATUS:
|
|
if (ioctl(fd, PPRSTATUS, &b) < 0)
|
|
return -ENOTSUP;
|
|
*(uint8_t *)arg = b;
|
|
break;
|
|
default:
|
|
return -ENOTSUP;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
CharDriverState *qemu_chr_open_pp(const char *filename)
|
|
{
|
|
CharDriverState *chr;
|
|
int fd;
|
|
|
|
fd = open(filename, O_RDWR);
|
|
if (fd < 0)
|
|
return NULL;
|
|
|
|
if (ioctl(fd, PPCLAIM) < 0) {
|
|
close(fd);
|
|
return NULL;
|
|
}
|
|
|
|
chr = qemu_mallocz(sizeof(CharDriverState));
|
|
if (!chr) {
|
|
close(fd);
|
|
return NULL;
|
|
}
|
|
chr->opaque = (void *)fd;
|
|
chr->chr_write = null_chr_write;
|
|
chr->chr_add_read_handler = null_chr_add_read_handler;
|
|
chr->chr_ioctl = pp_ioctl;
|
|
return chr;
|
|
}
|
|
|
|
#else
|
|
CharDriverState *qemu_chr_open_pty(void)
|
|
{
|
|
return NULL;
|
|
}
|
|
#endif
|
|
|
|
#endif /* !defined(_WIN32) */
|
|
|
|
CharDriverState *qemu_chr_open(const char *filename)
|
|
{
|
|
const char *p;
|
|
if (!strcmp(filename, "vc")) {
|
|
return text_console_init(&display_state);
|
|
} else if (!strcmp(filename, "null")) {
|
|
return qemu_chr_open_null();
|
|
} else if (strstart(filename, "file:", &p)) {
|
|
return qemu_chr_open_file_out(p);
|
|
} else if (strstart(filename, "pipe:", &p)) {
|
|
return qemu_chr_open_pipe(p);
|
|
} else
|
|
#ifndef _WIN32
|
|
if (!strcmp(filename, "pty")) {
|
|
return qemu_chr_open_pty();
|
|
} else if (!strcmp(filename, "stdio")) {
|
|
return qemu_chr_open_stdio();
|
|
} else
|
|
#endif
|
|
#if defined(__linux__)
|
|
if (strstart(filename, "/dev/parport", NULL)) {
|
|
return qemu_chr_open_pp(filename);
|
|
} else
|
|
if (strstart(filename, "/dev/", NULL)) {
|
|
return qemu_chr_open_tty(filename);
|
|
} else
|
|
#endif
|
|
{
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
/***********************************************************/
|
|
/* network device redirectors */
|
|
|
|
void hex_dump(FILE *f, const uint8_t *buf, int size)
|
|
{
|
|
int len, i, j, c;
|
|
|
|
for(i=0;i<size;i+=16) {
|
|
len = size - i;
|
|
if (len > 16)
|
|
len = 16;
|
|
fprintf(f, "%08x ", i);
|
|
for(j=0;j<16;j++) {
|
|
if (j < len)
|
|
fprintf(f, " %02x", buf[i+j]);
|
|
else
|
|
fprintf(f, " ");
|
|
}
|
|
fprintf(f, " ");
|
|
for(j=0;j<len;j++) {
|
|
c = buf[i+j];
|
|
if (c < ' ' || c > '~')
|
|
c = '.';
|
|
fprintf(f, "%c", c);
|
|
}
|
|
fprintf(f, "\n");
|
|
}
|
|
}
|
|
|
|
static int parse_macaddr(uint8_t *macaddr, const char *p)
|
|
{
|
|
int i;
|
|
for(i = 0; i < 6; i++) {
|
|
macaddr[i] = strtol(p, (char **)&p, 16);
|
|
if (i == 5) {
|
|
if (*p != '\0')
|
|
return -1;
|
|
} else {
|
|
if (*p != ':')
|
|
return -1;
|
|
p++;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int get_str_sep(char *buf, int buf_size, const char **pp, int sep)
|
|
{
|
|
const char *p, *p1;
|
|
int len;
|
|
p = *pp;
|
|
p1 = strchr(p, sep);
|
|
if (!p1)
|
|
return -1;
|
|
len = p1 - p;
|
|
p1++;
|
|
if (buf_size > 0) {
|
|
if (len > buf_size - 1)
|
|
len = buf_size - 1;
|
|
memcpy(buf, p, len);
|
|
buf[len] = '\0';
|
|
}
|
|
*pp = p1;
|
|
return 0;
|
|
}
|
|
|
|
int parse_host_port(struct sockaddr_in *saddr, const char *str)
|
|
{
|
|
char buf[512];
|
|
struct hostent *he;
|
|
const char *p, *r;
|
|
int port;
|
|
|
|
p = str;
|
|
if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
|
|
return -1;
|
|
saddr->sin_family = AF_INET;
|
|
if (buf[0] == '\0') {
|
|
saddr->sin_addr.s_addr = 0;
|
|
} else {
|
|
if (isdigit(buf[0])) {
|
|
if (!inet_aton(buf, &saddr->sin_addr))
|
|
return -1;
|
|
} else {
|
|
#ifdef _WIN32
|
|
return -1;
|
|
#else
|
|
if ((he = gethostbyname(buf)) == NULL)
|
|
return - 1;
|
|
saddr->sin_addr = *(struct in_addr *)he->h_addr;
|
|
#endif
|
|
}
|
|
}
|
|
port = strtol(p, (char **)&r, 0);
|
|
if (r == p)
|
|
return -1;
|
|
saddr->sin_port = htons(port);
|
|
return 0;
|
|
}
|
|
|
|
/* find or alloc a new VLAN */
|
|
VLANState *qemu_find_vlan(int id)
|
|
{
|
|
VLANState **pvlan, *vlan;
|
|
for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) {
|
|
if (vlan->id == id)
|
|
return vlan;
|
|
}
|
|
vlan = qemu_mallocz(sizeof(VLANState));
|
|
if (!vlan)
|
|
return NULL;
|
|
vlan->id = id;
|
|
vlan->next = NULL;
|
|
pvlan = &first_vlan;
|
|
while (*pvlan != NULL)
|
|
pvlan = &(*pvlan)->next;
|
|
*pvlan = vlan;
|
|
return vlan;
|
|
}
|
|
|
|
VLANClientState *qemu_new_vlan_client(VLANState *vlan,
|
|
IOReadHandler *fd_read, void *opaque)
|
|
{
|
|
VLANClientState *vc, **pvc;
|
|
vc = qemu_mallocz(sizeof(VLANClientState));
|
|
if (!vc)
|
|
return NULL;
|
|
vc->fd_read = fd_read;
|
|
vc->opaque = opaque;
|
|
vc->vlan = vlan;
|
|
|
|
vc->next = NULL;
|
|
pvc = &vlan->first_client;
|
|
while (*pvc != NULL)
|
|
pvc = &(*pvc)->next;
|
|
*pvc = vc;
|
|
return vc;
|
|
}
|
|
|
|
void qemu_send_packet(VLANClientState *vc1, const uint8_t *buf, int size)
|
|
{
|
|
VLANState *vlan = vc1->vlan;
|
|
VLANClientState *vc;
|
|
|
|
#if 0
|
|
printf("vlan %d send:\n", vlan->id);
|
|
hex_dump(stdout, buf, size);
|
|
#endif
|
|
for(vc = vlan->first_client; vc != NULL; vc = vc->next) {
|
|
if (vc != vc1) {
|
|
vc->fd_read(vc->opaque, buf, size);
|
|
}
|
|
}
|
|
}
|
|
|
|
#if defined(CONFIG_SLIRP)
|
|
|
|
/* slirp network adapter */
|
|
|
|
static int slirp_inited;
|
|
static VLANClientState *slirp_vc;
|
|
|
|
int slirp_can_output(void)
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
void slirp_output(const uint8_t *pkt, int pkt_len)
|
|
{
|
|
#if 0
|
|
printf("slirp output:\n");
|
|
hex_dump(stdout, pkt, pkt_len);
|
|
#endif
|
|
qemu_send_packet(slirp_vc, pkt, pkt_len);
|
|
}
|
|
|
|
static void slirp_receive(void *opaque, const uint8_t *buf, int size)
|
|
{
|
|
#if 0
|
|
printf("slirp input:\n");
|
|
hex_dump(stdout, buf, size);
|
|
#endif
|
|
slirp_input(buf, size);
|
|
}
|
|
|
|
static int net_slirp_init(VLANState *vlan)
|
|
{
|
|
if (!slirp_inited) {
|
|
slirp_inited = 1;
|
|
slirp_init();
|
|
}
|
|
slirp_vc = qemu_new_vlan_client(vlan,
|
|
slirp_receive, NULL);
|
|
snprintf(slirp_vc->info_str, sizeof(slirp_vc->info_str), "user redirector");
|
|
return 0;
|
|
}
|
|
|
|
static void net_slirp_redir(const char *redir_str)
|
|
{
|
|
int is_udp;
|
|
char buf[256], *r;
|
|
const char *p;
|
|
struct in_addr guest_addr;
|
|
int host_port, guest_port;
|
|
|
|
if (!slirp_inited) {
|
|
slirp_inited = 1;
|
|
slirp_init();
|
|
}
|
|
|
|
p = redir_str;
|
|
if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
|
|
goto fail;
|
|
if (!strcmp(buf, "tcp")) {
|
|
is_udp = 0;
|
|
} else if (!strcmp(buf, "udp")) {
|
|
is_udp = 1;
|
|
} else {
|
|
goto fail;
|
|
}
|
|
|
|
if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
|
|
goto fail;
|
|
host_port = strtol(buf, &r, 0);
|
|
if (r == buf)
|
|
goto fail;
|
|
|
|
if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
|
|
goto fail;
|
|
if (buf[0] == '\0') {
|
|
pstrcpy(buf, sizeof(buf), "10.0.2.15");
|
|
}
|
|
if (!inet_aton(buf, &guest_addr))
|
|
goto fail;
|
|
|
|
guest_port = strtol(p, &r, 0);
|
|
if (r == p)
|
|
goto fail;
|
|
|
|
if (slirp_redir(is_udp, host_port, guest_addr, guest_port) < 0) {
|
|
fprintf(stderr, "qemu: could not set up redirection\n");
|
|
exit(1);
|
|
}
|
|
return;
|
|
fail:
|
|
fprintf(stderr, "qemu: syntax: -redir [tcp|udp]:host-port:[guest-host]:guest-port\n");
|
|
exit(1);
|
|
}
|
|
|
|
#ifndef _WIN32
|
|
|
|
char smb_dir[1024];
|
|
|
|
static void smb_exit(void)
|
|
{
|
|
DIR *d;
|
|
struct dirent *de;
|
|
char filename[1024];
|
|
|
|
/* erase all the files in the directory */
|
|
d = opendir(smb_dir);
|
|
for(;;) {
|
|
de = readdir(d);
|
|
if (!de)
|
|
break;
|
|
if (strcmp(de->d_name, ".") != 0 &&
|
|
strcmp(de->d_name, "..") != 0) {
|
|
snprintf(filename, sizeof(filename), "%s/%s",
|
|
smb_dir, de->d_name);
|
|
unlink(filename);
|
|
}
|
|
}
|
|
closedir(d);
|
|
rmdir(smb_dir);
|
|
}
|
|
|
|
/* automatic user mode samba server configuration */
|
|
void net_slirp_smb(const char *exported_dir)
|
|
{
|
|
char smb_conf[1024];
|
|
char smb_cmdline[1024];
|
|
FILE *f;
|
|
|
|
if (!slirp_inited) {
|
|
slirp_inited = 1;
|
|
slirp_init();
|
|
}
|
|
|
|
/* XXX: better tmp dir construction */
|
|
snprintf(smb_dir, sizeof(smb_dir), "/tmp/qemu-smb.%d", getpid());
|
|
if (mkdir(smb_dir, 0700) < 0) {
|
|
fprintf(stderr, "qemu: could not create samba server dir '%s'\n", smb_dir);
|
|
exit(1);
|
|
}
|
|
snprintf(smb_conf, sizeof(smb_conf), "%s/%s", smb_dir, "smb.conf");
|
|
|
|
f = fopen(smb_conf, "w");
|
|
if (!f) {
|
|
fprintf(stderr, "qemu: could not create samba server configuration file '%s'\n", smb_conf);
|
|
exit(1);
|
|
}
|
|
fprintf(f,
|
|
"[global]\n"
|
|
"private dir=%s\n"
|
|
"smb ports=0\n"
|
|
"socket address=127.0.0.1\n"
|
|
"pid directory=%s\n"
|
|
"lock directory=%s\n"
|
|
"log file=%s/log.smbd\n"
|
|
"smb passwd file=%s/smbpasswd\n"
|
|
"security = share\n"
|
|
"[qemu]\n"
|
|
"path=%s\n"
|
|
"read only=no\n"
|
|
"guest ok=yes\n",
|
|
smb_dir,
|
|
smb_dir,
|
|
smb_dir,
|
|
smb_dir,
|
|
smb_dir,
|
|
exported_dir
|
|
);
|
|
fclose(f);
|
|
atexit(smb_exit);
|
|
|
|
snprintf(smb_cmdline, sizeof(smb_cmdline), "/usr/sbin/smbd -s %s",
|
|
smb_conf);
|
|
|
|
slirp_add_exec(0, smb_cmdline, 4, 139);
|
|
}
|
|
|
|
#endif /* !defined(_WIN32) */
|
|
|
|
#endif /* CONFIG_SLIRP */
|
|
|
|
#if !defined(_WIN32)
|
|
|
|
typedef struct TAPState {
|
|
VLANClientState *vc;
|
|
int fd;
|
|
} TAPState;
|
|
|
|
static void tap_receive(void *opaque, const uint8_t *buf, int size)
|
|
{
|
|
TAPState *s = opaque;
|
|
int ret;
|
|
for(;;) {
|
|
ret = write(s->fd, buf, size);
|
|
if (ret < 0 && (errno == EINTR || errno == EAGAIN)) {
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void tap_send(void *opaque)
|
|
{
|
|
TAPState *s = opaque;
|
|
uint8_t buf[4096];
|
|
int size;
|
|
|
|
size = read(s->fd, buf, sizeof(buf));
|
|
if (size > 0) {
|
|
qemu_send_packet(s->vc, buf, size);
|
|
}
|
|
}
|
|
|
|
/* fd support */
|
|
|
|
static TAPState *net_tap_fd_init(VLANState *vlan, int fd)
|
|
{
|
|
TAPState *s;
|
|
|
|
s = qemu_mallocz(sizeof(TAPState));
|
|
if (!s)
|
|
return NULL;
|
|
s->fd = fd;
|
|
s->vc = qemu_new_vlan_client(vlan, tap_receive, s);
|
|
qemu_set_fd_handler(s->fd, tap_send, NULL, s);
|
|
snprintf(s->vc->info_str, sizeof(s->vc->info_str), "tap: fd=%d", fd);
|
|
return s;
|
|
}
|
|
|
|
#ifdef _BSD
|
|
static int tap_open(char *ifname, int ifname_size)
|
|
{
|
|
int fd;
|
|
char *dev;
|
|
struct stat s;
|
|
|
|
fd = open("/dev/tap", O_RDWR);
|
|
if (fd < 0) {
|
|
fprintf(stderr, "warning: could not open /dev/tap: no virtual network emulation\n");
|
|
return -1;
|
|
}
|
|
|
|
fstat(fd, &s);
|
|
dev = devname(s.st_rdev, S_IFCHR);
|
|
pstrcpy(ifname, ifname_size, dev);
|
|
|
|
fcntl(fd, F_SETFL, O_NONBLOCK);
|
|
return fd;
|
|
}
|
|
#else
|
|
static int tap_open(char *ifname, int ifname_size)
|
|
{
|
|
struct ifreq ifr;
|
|
int fd, ret;
|
|
|
|
fd = open("/dev/net/tun", O_RDWR);
|
|
if (fd < 0) {
|
|
fprintf(stderr, "warning: could not open /dev/net/tun: no virtual network emulation\n");
|
|
return -1;
|
|
}
|
|
memset(&ifr, 0, sizeof(ifr));
|
|
ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
|
|
if (ifname[0] != '\0')
|
|
pstrcpy(ifr.ifr_name, IFNAMSIZ, ifname);
|
|
else
|
|
pstrcpy(ifr.ifr_name, IFNAMSIZ, "tap%d");
|
|
ret = ioctl(fd, TUNSETIFF, (void *) &ifr);
|
|
if (ret != 0) {
|
|
fprintf(stderr, "warning: could not configure /dev/net/tun: no virtual network emulation\n");
|
|
close(fd);
|
|
return -1;
|
|
}
|
|
pstrcpy(ifname, ifname_size, ifr.ifr_name);
|
|
fcntl(fd, F_SETFL, O_NONBLOCK);
|
|
return fd;
|
|
}
|
|
#endif
|
|
|
|
static int net_tap_init(VLANState *vlan, const char *ifname1,
|
|
const char *setup_script)
|
|
{
|
|
TAPState *s;
|
|
int pid, status, fd;
|
|
char *args[3];
|
|
char **parg;
|
|
char ifname[128];
|
|
|
|
if (ifname1 != NULL)
|
|
pstrcpy(ifname, sizeof(ifname), ifname1);
|
|
else
|
|
ifname[0] = '\0';
|
|
fd = tap_open(ifname, sizeof(ifname));
|
|
if (fd < 0)
|
|
return -1;
|
|
|
|
if (!setup_script)
|
|
setup_script = "";
|
|
if (setup_script[0] != '\0') {
|
|
/* try to launch network init script */
|
|
pid = fork();
|
|
if (pid >= 0) {
|
|
if (pid == 0) {
|
|
parg = args;
|
|
*parg++ = (char *)setup_script;
|
|
*parg++ = ifname;
|
|
*parg++ = NULL;
|
|
execv(setup_script, args);
|
|
exit(1);
|
|
}
|
|
while (waitpid(pid, &status, 0) != pid);
|
|
if (!WIFEXITED(status) ||
|
|
WEXITSTATUS(status) != 0) {
|
|
fprintf(stderr, "%s: could not launch network script\n",
|
|
setup_script);
|
|
return -1;
|
|
}
|
|
}
|
|
}
|
|
s = net_tap_fd_init(vlan, fd);
|
|
if (!s)
|
|
return -1;
|
|
snprintf(s->vc->info_str, sizeof(s->vc->info_str),
|
|
"tap: ifname=%s setup_script=%s", ifname, setup_script);
|
|
return 0;
|
|
}
|
|
|
|
/* network connection */
|
|
typedef struct NetSocketState {
|
|
VLANClientState *vc;
|
|
int fd;
|
|
int state; /* 0 = getting length, 1 = getting data */
|
|
int index;
|
|
int packet_len;
|
|
uint8_t buf[4096];
|
|
} NetSocketState;
|
|
|
|
typedef struct NetSocketListenState {
|
|
VLANState *vlan;
|
|
int fd;
|
|
} NetSocketListenState;
|
|
|
|
/* XXX: we consider we can send the whole packet without blocking */
|
|
static void net_socket_receive(void *opaque, const uint8_t *buf, int size)
|
|
{
|
|
NetSocketState *s = opaque;
|
|
uint32_t len;
|
|
len = htonl(size);
|
|
|
|
unix_write(s->fd, (const uint8_t *)&len, sizeof(len));
|
|
unix_write(s->fd, buf, size);
|
|
}
|
|
|
|
static void net_socket_send(void *opaque)
|
|
{
|
|
NetSocketState *s = opaque;
|
|
int l, size;
|
|
uint8_t buf1[4096];
|
|
const uint8_t *buf;
|
|
|
|
size = read(s->fd, buf1, sizeof(buf1));
|
|
if (size < 0)
|
|
return;
|
|
if (size == 0) {
|
|
/* end of connection */
|
|
qemu_set_fd_handler(s->fd, NULL, NULL, NULL);
|
|
return;
|
|
}
|
|
buf = buf1;
|
|
while (size > 0) {
|
|
/* reassemble a packet from the network */
|
|
switch(s->state) {
|
|
case 0:
|
|
l = 4 - s->index;
|
|
if (l > size)
|
|
l = size;
|
|
memcpy(s->buf + s->index, buf, l);
|
|
buf += l;
|
|
size -= l;
|
|
s->index += l;
|
|
if (s->index == 4) {
|
|
/* got length */
|
|
s->packet_len = ntohl(*(uint32_t *)s->buf);
|
|
s->index = 0;
|
|
s->state = 1;
|
|
}
|
|
break;
|
|
case 1:
|
|
l = s->packet_len - s->index;
|
|
if (l > size)
|
|
l = size;
|
|
memcpy(s->buf + s->index, buf, l);
|
|
s->index += l;
|
|
buf += l;
|
|
size -= l;
|
|
if (s->index >= s->packet_len) {
|
|
qemu_send_packet(s->vc, s->buf, s->packet_len);
|
|
s->index = 0;
|
|
s->state = 0;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void net_socket_connect(void *opaque)
|
|
{
|
|
NetSocketState *s = opaque;
|
|
qemu_set_fd_handler(s->fd, net_socket_send, NULL, s);
|
|
}
|
|
|
|
static NetSocketState *net_socket_fd_init(VLANState *vlan, int fd,
|
|
int is_connected)
|
|
{
|
|
NetSocketState *s;
|
|
s = qemu_mallocz(sizeof(NetSocketState));
|
|
if (!s)
|
|
return NULL;
|
|
s->fd = fd;
|
|
s->vc = qemu_new_vlan_client(vlan,
|
|
net_socket_receive, s);
|
|
snprintf(s->vc->info_str, sizeof(s->vc->info_str),
|
|
"socket: fd=%d", fd);
|
|
if (is_connected) {
|
|
net_socket_connect(s);
|
|
} else {
|
|
qemu_set_fd_handler(s->fd, NULL, net_socket_connect, s);
|
|
}
|
|
return s;
|
|
}
|
|
|
|
static void net_socket_accept(void *opaque)
|
|
{
|
|
NetSocketListenState *s = opaque;
|
|
NetSocketState *s1;
|
|
struct sockaddr_in saddr;
|
|
socklen_t len;
|
|
int fd;
|
|
|
|
for(;;) {
|
|
len = sizeof(saddr);
|
|
fd = accept(s->fd, (struct sockaddr *)&saddr, &len);
|
|
if (fd < 0 && errno != EINTR) {
|
|
return;
|
|
} else if (fd >= 0) {
|
|
break;
|
|
}
|
|
}
|
|
s1 = net_socket_fd_init(s->vlan, fd, 1);
|
|
if (!s1) {
|
|
close(fd);
|
|
} else {
|
|
snprintf(s1->vc->info_str, sizeof(s1->vc->info_str),
|
|
"socket: connection from %s:%d",
|
|
inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
|
|
}
|
|
}
|
|
|
|
static int net_socket_listen_init(VLANState *vlan, const char *host_str)
|
|
{
|
|
NetSocketListenState *s;
|
|
int fd, val, ret;
|
|
struct sockaddr_in saddr;
|
|
|
|
if (parse_host_port(&saddr, host_str) < 0)
|
|
return -1;
|
|
|
|
s = qemu_mallocz(sizeof(NetSocketListenState));
|
|
if (!s)
|
|
return -1;
|
|
|
|
fd = socket(PF_INET, SOCK_STREAM, 0);
|
|
if (fd < 0) {
|
|
perror("socket");
|
|
return -1;
|
|
}
|
|
fcntl(fd, F_SETFL, O_NONBLOCK);
|
|
|
|
/* allow fast reuse */
|
|
val = 1;
|
|
setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &val, sizeof(val));
|
|
|
|
ret = bind(fd, (struct sockaddr *)&saddr, sizeof(saddr));
|
|
if (ret < 0) {
|
|
perror("bind");
|
|
return -1;
|
|
}
|
|
ret = listen(fd, 0);
|
|
if (ret < 0) {
|
|
perror("listen");
|
|
return -1;
|
|
}
|
|
s->vlan = vlan;
|
|
s->fd = fd;
|
|
qemu_set_fd_handler(fd, net_socket_accept, NULL, s);
|
|
return 0;
|
|
}
|
|
|
|
static int net_socket_connect_init(VLANState *vlan, const char *host_str)
|
|
{
|
|
NetSocketState *s;
|
|
int fd, connected, ret;
|
|
struct sockaddr_in saddr;
|
|
|
|
if (parse_host_port(&saddr, host_str) < 0)
|
|
return -1;
|
|
|
|
fd = socket(PF_INET, SOCK_STREAM, 0);
|
|
if (fd < 0) {
|
|
perror("socket");
|
|
return -1;
|
|
}
|
|
fcntl(fd, F_SETFL, O_NONBLOCK);
|
|
|
|
connected = 0;
|
|
for(;;) {
|
|
ret = connect(fd, (struct sockaddr *)&saddr, sizeof(saddr));
|
|
if (ret < 0) {
|
|
if (errno == EINTR || errno == EAGAIN) {
|
|
} else if (errno == EINPROGRESS) {
|
|
break;
|
|
} else {
|
|
perror("connect");
|
|
close(fd);
|
|
return -1;
|
|
}
|
|
} else {
|
|
connected = 1;
|
|
break;
|
|
}
|
|
}
|
|
s = net_socket_fd_init(vlan, fd, connected);
|
|
if (!s)
|
|
return -1;
|
|
snprintf(s->vc->info_str, sizeof(s->vc->info_str),
|
|
"socket: connect to %s:%d",
|
|
inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
|
|
return 0;
|
|
}
|
|
|
|
#endif /* !_WIN32 */
|
|
|
|
static int get_param_value(char *buf, int buf_size,
|
|
const char *tag, const char *str)
|
|
{
|
|
const char *p;
|
|
char *q;
|
|
char option[128];
|
|
|
|
p = str;
|
|
for(;;) {
|
|
q = option;
|
|
while (*p != '\0' && *p != '=') {
|
|
if ((q - option) < sizeof(option) - 1)
|
|
*q++ = *p;
|
|
p++;
|
|
}
|
|
*q = '\0';
|
|
if (*p != '=')
|
|
break;
|
|
p++;
|
|
if (!strcmp(tag, option)) {
|
|
q = buf;
|
|
while (*p != '\0' && *p != ',') {
|
|
if ((q - buf) < buf_size - 1)
|
|
*q++ = *p;
|
|
p++;
|
|
}
|
|
*q = '\0';
|
|
return q - buf;
|
|
} else {
|
|
while (*p != '\0' && *p != ',') {
|
|
p++;
|
|
}
|
|
}
|
|
if (*p != ',')
|
|
break;
|
|
p++;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int net_client_init(const char *str)
|
|
{
|
|
const char *p;
|
|
char *q;
|
|
char device[64];
|
|
char buf[1024];
|
|
int vlan_id, ret;
|
|
VLANState *vlan;
|
|
|
|
p = str;
|
|
q = device;
|
|
while (*p != '\0' && *p != ',') {
|
|
if ((q - device) < sizeof(device) - 1)
|
|
*q++ = *p;
|
|
p++;
|
|
}
|
|
*q = '\0';
|
|
if (*p == ',')
|
|
p++;
|
|
vlan_id = 0;
|
|
if (get_param_value(buf, sizeof(buf), "vlan", p)) {
|
|
vlan_id = strtol(buf, NULL, 0);
|
|
}
|
|
vlan = qemu_find_vlan(vlan_id);
|
|
if (!vlan) {
|
|
fprintf(stderr, "Could not create vlan %d\n", vlan_id);
|
|
return -1;
|
|
}
|
|
if (!strcmp(device, "nic")) {
|
|
NICInfo *nd;
|
|
uint8_t *macaddr;
|
|
|
|
if (nb_nics >= MAX_NICS) {
|
|
fprintf(stderr, "Too Many NICs\n");
|
|
return -1;
|
|
}
|
|
nd = &nd_table[nb_nics];
|
|
macaddr = nd->macaddr;
|
|
macaddr[0] = 0x52;
|
|
macaddr[1] = 0x54;
|
|
macaddr[2] = 0x00;
|
|
macaddr[3] = 0x12;
|
|
macaddr[4] = 0x34;
|
|
macaddr[5] = 0x56 + nb_nics;
|
|
|
|
if (get_param_value(buf, sizeof(buf), "macaddr", p)) {
|
|
if (parse_macaddr(macaddr, buf) < 0) {
|
|
fprintf(stderr, "invalid syntax for ethernet address\n");
|
|
return -1;
|
|
}
|
|
}
|
|
nd->vlan = vlan;
|
|
nb_nics++;
|
|
ret = 0;
|
|
} else
|
|
if (!strcmp(device, "none")) {
|
|
/* does nothing. It is needed to signal that no network cards
|
|
are wanted */
|
|
ret = 0;
|
|
} else
|
|
#ifdef CONFIG_SLIRP
|
|
if (!strcmp(device, "user")) {
|
|
ret = net_slirp_init(vlan);
|
|
} else
|
|
#endif
|
|
#ifndef _WIN32
|
|
if (!strcmp(device, "tap")) {
|
|
char ifname[64];
|
|
char setup_script[1024];
|
|
int fd;
|
|
if (get_param_value(buf, sizeof(buf), "fd", p) > 0) {
|
|
fd = strtol(buf, NULL, 0);
|
|
ret = -1;
|
|
if (net_tap_fd_init(vlan, fd))
|
|
ret = 0;
|
|
} else {
|
|
get_param_value(ifname, sizeof(ifname), "ifname", p);
|
|
if (get_param_value(setup_script, sizeof(setup_script), "script", p) == 0) {
|
|
pstrcpy(setup_script, sizeof(setup_script), DEFAULT_NETWORK_SCRIPT);
|
|
}
|
|
ret = net_tap_init(vlan, ifname, setup_script);
|
|
}
|
|
} else
|
|
if (!strcmp(device, "socket")) {
|
|
if (get_param_value(buf, sizeof(buf), "fd", p) > 0) {
|
|
int fd;
|
|
fd = strtol(buf, NULL, 0);
|
|
ret = -1;
|
|
if (net_socket_fd_init(vlan, fd, 1))
|
|
ret = 0;
|
|
} else if (get_param_value(buf, sizeof(buf), "listen", p) > 0) {
|
|
ret = net_socket_listen_init(vlan, buf);
|
|
} else if (get_param_value(buf, sizeof(buf), "connect", p) > 0) {
|
|
ret = net_socket_connect_init(vlan, buf);
|
|
} else {
|
|
fprintf(stderr, "Unknown socket options: %s\n", p);
|
|
return -1;
|
|
}
|
|
} else
|
|
#endif
|
|
{
|
|
fprintf(stderr, "Unknown network device: %s\n", device);
|
|
return -1;
|
|
}
|
|
if (ret < 0) {
|
|
fprintf(stderr, "Could not initialize device '%s'\n", device);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
void do_info_network(void)
|
|
{
|
|
VLANState *vlan;
|
|
VLANClientState *vc;
|
|
|
|
for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) {
|
|
term_printf("VLAN %d devices:\n", vlan->id);
|
|
for(vc = vlan->first_client; vc != NULL; vc = vc->next)
|
|
term_printf(" %s\n", vc->info_str);
|
|
}
|
|
}
|
|
|
|
/***********************************************************/
|
|
/* USB devices */
|
|
|
|
static int usb_device_add(const char *devname)
|
|
{
|
|
const char *p;
|
|
USBDevice *dev;
|
|
int i;
|
|
|
|
if (!vm_usb_hub)
|
|
return -1;
|
|
for(i = 0;i < MAX_VM_USB_PORTS; i++) {
|
|
if (!vm_usb_ports[i]->dev)
|
|
break;
|
|
}
|
|
if (i == MAX_VM_USB_PORTS)
|
|
return -1;
|
|
|
|
if (strstart(devname, "host:", &p)) {
|
|
dev = usb_host_device_open(p);
|
|
if (!dev)
|
|
return -1;
|
|
} else if (!strcmp(devname, "mouse")) {
|
|
dev = usb_mouse_init();
|
|
if (!dev)
|
|
return -1;
|
|
} else {
|
|
return -1;
|
|
}
|
|
usb_attach(vm_usb_ports[i], dev);
|
|
return 0;
|
|
}
|
|
|
|
static int usb_device_del(const char *devname)
|
|
{
|
|
USBDevice *dev;
|
|
int bus_num, addr, i;
|
|
const char *p;
|
|
|
|
if (!vm_usb_hub)
|
|
return -1;
|
|
|
|
p = strchr(devname, '.');
|
|
if (!p)
|
|
return -1;
|
|
bus_num = strtoul(devname, NULL, 0);
|
|
addr = strtoul(p + 1, NULL, 0);
|
|
if (bus_num != 0)
|
|
return -1;
|
|
for(i = 0;i < MAX_VM_USB_PORTS; i++) {
|
|
dev = vm_usb_ports[i]->dev;
|
|
if (dev && dev->addr == addr)
|
|
break;
|
|
}
|
|
if (i == MAX_VM_USB_PORTS)
|
|
return -1;
|
|
usb_attach(vm_usb_ports[i], NULL);
|
|
return 0;
|
|
}
|
|
|
|
void do_usb_add(const char *devname)
|
|
{
|
|
int ret;
|
|
ret = usb_device_add(devname);
|
|
if (ret < 0)
|
|
term_printf("Could not add USB device '%s'\n", devname);
|
|
}
|
|
|
|
void do_usb_del(const char *devname)
|
|
{
|
|
int ret;
|
|
ret = usb_device_del(devname);
|
|
if (ret < 0)
|
|
term_printf("Could not remove USB device '%s'\n", devname);
|
|
}
|
|
|
|
void usb_info(void)
|
|
{
|
|
USBDevice *dev;
|
|
int i;
|
|
const char *speed_str;
|
|
|
|
if (!vm_usb_hub) {
|
|
term_printf("USB support not enabled\n");
|
|
return;
|
|
}
|
|
|
|
for(i = 0; i < MAX_VM_USB_PORTS; i++) {
|
|
dev = vm_usb_ports[i]->dev;
|
|
if (dev) {
|
|
term_printf("Hub port %d:\n", i);
|
|
switch(dev->speed) {
|
|
case USB_SPEED_LOW:
|
|
speed_str = "1.5";
|
|
break;
|
|
case USB_SPEED_FULL:
|
|
speed_str = "12";
|
|
break;
|
|
case USB_SPEED_HIGH:
|
|
speed_str = "480";
|
|
break;
|
|
default:
|
|
speed_str = "?";
|
|
break;
|
|
}
|
|
term_printf(" Device %d.%d, speed %s Mb/s\n",
|
|
0, dev->addr, speed_str);
|
|
}
|
|
}
|
|
}
|
|
|
|
/***********************************************************/
|
|
/* pid file */
|
|
|
|
static char *pid_filename;
|
|
|
|
/* Remove PID file. Called on normal exit */
|
|
|
|
static void remove_pidfile(void)
|
|
{
|
|
unlink (pid_filename);
|
|
}
|
|
|
|
static void create_pidfile(const char *filename)
|
|
{
|
|
struct stat pidstat;
|
|
FILE *f;
|
|
|
|
/* Try to write our PID to the named file */
|
|
if (stat(filename, &pidstat) < 0) {
|
|
if (errno == ENOENT) {
|
|
if ((f = fopen (filename, "w")) == NULL) {
|
|
perror("Opening pidfile");
|
|
exit(1);
|
|
}
|
|
fprintf(f, "%d\n", getpid());
|
|
fclose(f);
|
|
pid_filename = qemu_strdup(filename);
|
|
if (!pid_filename) {
|
|
fprintf(stderr, "Could not save PID filename");
|
|
exit(1);
|
|
}
|
|
atexit(remove_pidfile);
|
|
}
|
|
} else {
|
|
fprintf(stderr, "%s already exists. Remove it and try again.\n",
|
|
filename);
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
/***********************************************************/
|
|
/* dumb display */
|
|
|
|
static void dumb_update(DisplayState *ds, int x, int y, int w, int h)
|
|
{
|
|
}
|
|
|
|
static void dumb_resize(DisplayState *ds, int w, int h)
|
|
{
|
|
}
|
|
|
|
static void dumb_refresh(DisplayState *ds)
|
|
{
|
|
vga_update_display();
|
|
}
|
|
|
|
void dumb_display_init(DisplayState *ds)
|
|
{
|
|
ds->data = NULL;
|
|
ds->linesize = 0;
|
|
ds->depth = 0;
|
|
ds->dpy_update = dumb_update;
|
|
ds->dpy_resize = dumb_resize;
|
|
ds->dpy_refresh = dumb_refresh;
|
|
}
|
|
|
|
#if !defined(CONFIG_SOFTMMU)
|
|
/***********************************************************/
|
|
/* cpu signal handler */
|
|
static void host_segv_handler(int host_signum, siginfo_t *info,
|
|
void *puc)
|
|
{
|
|
if (cpu_signal_handler(host_signum, info, puc))
|
|
return;
|
|
if (stdio_nb_clients > 0)
|
|
term_exit();
|
|
abort();
|
|
}
|
|
#endif
|
|
|
|
/***********************************************************/
|
|
/* I/O handling */
|
|
|
|
#define MAX_IO_HANDLERS 64
|
|
|
|
typedef struct IOHandlerRecord {
|
|
int fd;
|
|
IOCanRWHandler *fd_read_poll;
|
|
IOHandler *fd_read;
|
|
IOHandler *fd_write;
|
|
void *opaque;
|
|
/* temporary data */
|
|
struct pollfd *ufd;
|
|
struct IOHandlerRecord *next;
|
|
} IOHandlerRecord;
|
|
|
|
static IOHandlerRecord *first_io_handler;
|
|
|
|
/* XXX: fd_read_poll should be suppressed, but an API change is
|
|
necessary in the character devices to suppress fd_can_read(). */
|
|
int qemu_set_fd_handler2(int fd,
|
|
IOCanRWHandler *fd_read_poll,
|
|
IOHandler *fd_read,
|
|
IOHandler *fd_write,
|
|
void *opaque)
|
|
{
|
|
IOHandlerRecord **pioh, *ioh;
|
|
|
|
if (!fd_read && !fd_write) {
|
|
pioh = &first_io_handler;
|
|
for(;;) {
|
|
ioh = *pioh;
|
|
if (ioh == NULL)
|
|
break;
|
|
if (ioh->fd == fd) {
|
|
*pioh = ioh->next;
|
|
break;
|
|
}
|
|
pioh = &ioh->next;
|
|
}
|
|
} else {
|
|
for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
|
|
if (ioh->fd == fd)
|
|
goto found;
|
|
}
|
|
ioh = qemu_mallocz(sizeof(IOHandlerRecord));
|
|
if (!ioh)
|
|
return -1;
|
|
ioh->next = first_io_handler;
|
|
first_io_handler = ioh;
|
|
found:
|
|
ioh->fd = fd;
|
|
ioh->fd_read_poll = fd_read_poll;
|
|
ioh->fd_read = fd_read;
|
|
ioh->fd_write = fd_write;
|
|
ioh->opaque = opaque;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int qemu_set_fd_handler(int fd,
|
|
IOHandler *fd_read,
|
|
IOHandler *fd_write,
|
|
void *opaque)
|
|
{
|
|
return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque);
|
|
}
|
|
|
|
/***********************************************************/
|
|
/* savevm/loadvm support */
|
|
|
|
void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size)
|
|
{
|
|
fwrite(buf, 1, size, f);
|
|
}
|
|
|
|
void qemu_put_byte(QEMUFile *f, int v)
|
|
{
|
|
fputc(v, f);
|
|
}
|
|
|
|
void qemu_put_be16(QEMUFile *f, unsigned int v)
|
|
{
|
|
qemu_put_byte(f, v >> 8);
|
|
qemu_put_byte(f, v);
|
|
}
|
|
|
|
void qemu_put_be32(QEMUFile *f, unsigned int v)
|
|
{
|
|
qemu_put_byte(f, v >> 24);
|
|
qemu_put_byte(f, v >> 16);
|
|
qemu_put_byte(f, v >> 8);
|
|
qemu_put_byte(f, v);
|
|
}
|
|
|
|
void qemu_put_be64(QEMUFile *f, uint64_t v)
|
|
{
|
|
qemu_put_be32(f, v >> 32);
|
|
qemu_put_be32(f, v);
|
|
}
|
|
|
|
int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size)
|
|
{
|
|
return fread(buf, 1, size, f);
|
|
}
|
|
|
|
int qemu_get_byte(QEMUFile *f)
|
|
{
|
|
int v;
|
|
v = fgetc(f);
|
|
if (v == EOF)
|
|
return 0;
|
|
else
|
|
return v;
|
|
}
|
|
|
|
unsigned int qemu_get_be16(QEMUFile *f)
|
|
{
|
|
unsigned int v;
|
|
v = qemu_get_byte(f) << 8;
|
|
v |= qemu_get_byte(f);
|
|
return v;
|
|
}
|
|
|
|
unsigned int qemu_get_be32(QEMUFile *f)
|
|
{
|
|
unsigned int v;
|
|
v = qemu_get_byte(f) << 24;
|
|
v |= qemu_get_byte(f) << 16;
|
|
v |= qemu_get_byte(f) << 8;
|
|
v |= qemu_get_byte(f);
|
|
return v;
|
|
}
|
|
|
|
uint64_t qemu_get_be64(QEMUFile *f)
|
|
{
|
|
uint64_t v;
|
|
v = (uint64_t)qemu_get_be32(f) << 32;
|
|
v |= qemu_get_be32(f);
|
|
return v;
|
|
}
|
|
|
|
int64_t qemu_ftell(QEMUFile *f)
|
|
{
|
|
return ftell(f);
|
|
}
|
|
|
|
int64_t qemu_fseek(QEMUFile *f, int64_t pos, int whence)
|
|
{
|
|
if (fseek(f, pos, whence) < 0)
|
|
return -1;
|
|
return ftell(f);
|
|
}
|
|
|
|
typedef struct SaveStateEntry {
|
|
char idstr[256];
|
|
int instance_id;
|
|
int version_id;
|
|
SaveStateHandler *save_state;
|
|
LoadStateHandler *load_state;
|
|
void *opaque;
|
|
struct SaveStateEntry *next;
|
|
} SaveStateEntry;
|
|
|
|
static SaveStateEntry *first_se;
|
|
|
|
int register_savevm(const char *idstr,
|
|
int instance_id,
|
|
int version_id,
|
|
SaveStateHandler *save_state,
|
|
LoadStateHandler *load_state,
|
|
void *opaque)
|
|
{
|
|
SaveStateEntry *se, **pse;
|
|
|
|
se = qemu_malloc(sizeof(SaveStateEntry));
|
|
if (!se)
|
|
return -1;
|
|
pstrcpy(se->idstr, sizeof(se->idstr), idstr);
|
|
se->instance_id = instance_id;
|
|
se->version_id = version_id;
|
|
se->save_state = save_state;
|
|
se->load_state = load_state;
|
|
se->opaque = opaque;
|
|
se->next = NULL;
|
|
|
|
/* add at the end of list */
|
|
pse = &first_se;
|
|
while (*pse != NULL)
|
|
pse = &(*pse)->next;
|
|
*pse = se;
|
|
return 0;
|
|
}
|
|
|
|
#define QEMU_VM_FILE_MAGIC 0x5145564d
|
|
#define QEMU_VM_FILE_VERSION 0x00000001
|
|
|
|
int qemu_savevm(const char *filename)
|
|
{
|
|
SaveStateEntry *se;
|
|
QEMUFile *f;
|
|
int len, len_pos, cur_pos, saved_vm_running, ret;
|
|
|
|
saved_vm_running = vm_running;
|
|
vm_stop(0);
|
|
|
|
f = fopen(filename, "wb");
|
|
if (!f) {
|
|
ret = -1;
|
|
goto the_end;
|
|
}
|
|
|
|
qemu_put_be32(f, QEMU_VM_FILE_MAGIC);
|
|
qemu_put_be32(f, QEMU_VM_FILE_VERSION);
|
|
|
|
for(se = first_se; se != NULL; se = se->next) {
|
|
/* ID string */
|
|
len = strlen(se->idstr);
|
|
qemu_put_byte(f, len);
|
|
qemu_put_buffer(f, se->idstr, len);
|
|
|
|
qemu_put_be32(f, se->instance_id);
|
|
qemu_put_be32(f, se->version_id);
|
|
|
|
/* record size: filled later */
|
|
len_pos = ftell(f);
|
|
qemu_put_be32(f, 0);
|
|
|
|
se->save_state(f, se->opaque);
|
|
|
|
/* fill record size */
|
|
cur_pos = ftell(f);
|
|
len = ftell(f) - len_pos - 4;
|
|
fseek(f, len_pos, SEEK_SET);
|
|
qemu_put_be32(f, len);
|
|
fseek(f, cur_pos, SEEK_SET);
|
|
}
|
|
|
|
fclose(f);
|
|
ret = 0;
|
|
the_end:
|
|
if (saved_vm_running)
|
|
vm_start();
|
|
return ret;
|
|
}
|
|
|
|
static SaveStateEntry *find_se(const char *idstr, int instance_id)
|
|
{
|
|
SaveStateEntry *se;
|
|
|
|
for(se = first_se; se != NULL; se = se->next) {
|
|
if (!strcmp(se->idstr, idstr) &&
|
|
instance_id == se->instance_id)
|
|
return se;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
int qemu_loadvm(const char *filename)
|
|
{
|
|
SaveStateEntry *se;
|
|
QEMUFile *f;
|
|
int len, cur_pos, ret, instance_id, record_len, version_id;
|
|
int saved_vm_running;
|
|
unsigned int v;
|
|
char idstr[256];
|
|
|
|
saved_vm_running = vm_running;
|
|
vm_stop(0);
|
|
|
|
f = fopen(filename, "rb");
|
|
if (!f) {
|
|
ret = -1;
|
|
goto the_end;
|
|
}
|
|
|
|
v = qemu_get_be32(f);
|
|
if (v != QEMU_VM_FILE_MAGIC)
|
|
goto fail;
|
|
v = qemu_get_be32(f);
|
|
if (v != QEMU_VM_FILE_VERSION) {
|
|
fail:
|
|
fclose(f);
|
|
ret = -1;
|
|
goto the_end;
|
|
}
|
|
for(;;) {
|
|
len = qemu_get_byte(f);
|
|
if (feof(f))
|
|
break;
|
|
qemu_get_buffer(f, idstr, len);
|
|
idstr[len] = '\0';
|
|
instance_id = qemu_get_be32(f);
|
|
version_id = qemu_get_be32(f);
|
|
record_len = qemu_get_be32(f);
|
|
#if 0
|
|
printf("idstr=%s instance=0x%x version=%d len=%d\n",
|
|
idstr, instance_id, version_id, record_len);
|
|
#endif
|
|
cur_pos = ftell(f);
|
|
se = find_se(idstr, instance_id);
|
|
if (!se) {
|
|
fprintf(stderr, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n",
|
|
instance_id, idstr);
|
|
} else {
|
|
ret = se->load_state(f, se->opaque, version_id);
|
|
if (ret < 0) {
|
|
fprintf(stderr, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n",
|
|
instance_id, idstr);
|
|
}
|
|
}
|
|
/* always seek to exact end of record */
|
|
qemu_fseek(f, cur_pos + record_len, SEEK_SET);
|
|
}
|
|
fclose(f);
|
|
ret = 0;
|
|
the_end:
|
|
if (saved_vm_running)
|
|
vm_start();
|
|
return ret;
|
|
}
|
|
|
|
/***********************************************************/
|
|
/* cpu save/restore */
|
|
|
|
#if defined(TARGET_I386)
|
|
|
|
static void cpu_put_seg(QEMUFile *f, SegmentCache *dt)
|
|
{
|
|
qemu_put_be32(f, dt->selector);
|
|
qemu_put_betl(f, dt->base);
|
|
qemu_put_be32(f, dt->limit);
|
|
qemu_put_be32(f, dt->flags);
|
|
}
|
|
|
|
static void cpu_get_seg(QEMUFile *f, SegmentCache *dt)
|
|
{
|
|
dt->selector = qemu_get_be32(f);
|
|
dt->base = qemu_get_betl(f);
|
|
dt->limit = qemu_get_be32(f);
|
|
dt->flags = qemu_get_be32(f);
|
|
}
|
|
|
|
void cpu_save(QEMUFile *f, void *opaque)
|
|
{
|
|
CPUState *env = opaque;
|
|
uint16_t fptag, fpus, fpuc, fpregs_format;
|
|
uint32_t hflags;
|
|
int i;
|
|
|
|
for(i = 0; i < CPU_NB_REGS; i++)
|
|
qemu_put_betls(f, &env->regs[i]);
|
|
qemu_put_betls(f, &env->eip);
|
|
qemu_put_betls(f, &env->eflags);
|
|
hflags = env->hflags; /* XXX: suppress most of the redundant hflags */
|
|
qemu_put_be32s(f, &hflags);
|
|
|
|
/* FPU */
|
|
fpuc = env->fpuc;
|
|
fpus = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11;
|
|
fptag = 0;
|
|
for(i = 0; i < 8; i++) {
|
|
fptag |= ((!env->fptags[i]) << i);
|
|
}
|
|
|
|
qemu_put_be16s(f, &fpuc);
|
|
qemu_put_be16s(f, &fpus);
|
|
qemu_put_be16s(f, &fptag);
|
|
|
|
#ifdef USE_X86LDOUBLE
|
|
fpregs_format = 0;
|
|
#else
|
|
fpregs_format = 1;
|
|
#endif
|
|
qemu_put_be16s(f, &fpregs_format);
|
|
|
|
for(i = 0; i < 8; i++) {
|
|
#ifdef USE_X86LDOUBLE
|
|
{
|
|
uint64_t mant;
|
|
uint16_t exp;
|
|
/* we save the real CPU data (in case of MMX usage only 'mant'
|
|
contains the MMX register */
|
|
cpu_get_fp80(&mant, &exp, env->fpregs[i].d);
|
|
qemu_put_be64(f, mant);
|
|
qemu_put_be16(f, exp);
|
|
}
|
|
#else
|
|
/* if we use doubles for float emulation, we save the doubles to
|
|
avoid losing information in case of MMX usage. It can give
|
|
problems if the image is restored on a CPU where long
|
|
doubles are used instead. */
|
|
qemu_put_be64(f, env->fpregs[i].mmx.MMX_Q(0));
|
|
#endif
|
|
}
|
|
|
|
for(i = 0; i < 6; i++)
|
|
cpu_put_seg(f, &env->segs[i]);
|
|
cpu_put_seg(f, &env->ldt);
|
|
cpu_put_seg(f, &env->tr);
|
|
cpu_put_seg(f, &env->gdt);
|
|
cpu_put_seg(f, &env->idt);
|
|
|
|
qemu_put_be32s(f, &env->sysenter_cs);
|
|
qemu_put_be32s(f, &env->sysenter_esp);
|
|
qemu_put_be32s(f, &env->sysenter_eip);
|
|
|
|
qemu_put_betls(f, &env->cr[0]);
|
|
qemu_put_betls(f, &env->cr[2]);
|
|
qemu_put_betls(f, &env->cr[3]);
|
|
qemu_put_betls(f, &env->cr[4]);
|
|
|
|
for(i = 0; i < 8; i++)
|
|
qemu_put_betls(f, &env->dr[i]);
|
|
|
|
/* MMU */
|
|
qemu_put_be32s(f, &env->a20_mask);
|
|
|
|
/* XMM */
|
|
qemu_put_be32s(f, &env->mxcsr);
|
|
for(i = 0; i < CPU_NB_REGS; i++) {
|
|
qemu_put_be64s(f, &env->xmm_regs[i].XMM_Q(0));
|
|
qemu_put_be64s(f, &env->xmm_regs[i].XMM_Q(1));
|
|
}
|
|
|
|
#ifdef TARGET_X86_64
|
|
qemu_put_be64s(f, &env->efer);
|
|
qemu_put_be64s(f, &env->star);
|
|
qemu_put_be64s(f, &env->lstar);
|
|
qemu_put_be64s(f, &env->cstar);
|
|
qemu_put_be64s(f, &env->fmask);
|
|
qemu_put_be64s(f, &env->kernelgsbase);
|
|
#endif
|
|
}
|
|
|
|
#ifdef USE_X86LDOUBLE
|
|
/* XXX: add that in a FPU generic layer */
|
|
union x86_longdouble {
|
|
uint64_t mant;
|
|
uint16_t exp;
|
|
};
|
|
|
|
#define MANTD1(fp) (fp & ((1LL << 52) - 1))
|
|
#define EXPBIAS1 1023
|
|
#define EXPD1(fp) ((fp >> 52) & 0x7FF)
|
|
#define SIGND1(fp) ((fp >> 32) & 0x80000000)
|
|
|
|
static void fp64_to_fp80(union x86_longdouble *p, uint64_t temp)
|
|
{
|
|
int e;
|
|
/* mantissa */
|
|
p->mant = (MANTD1(temp) << 11) | (1LL << 63);
|
|
/* exponent + sign */
|
|
e = EXPD1(temp) - EXPBIAS1 + 16383;
|
|
e |= SIGND1(temp) >> 16;
|
|
p->exp = e;
|
|
}
|
|
#endif
|
|
|
|
int cpu_load(QEMUFile *f, void *opaque, int version_id)
|
|
{
|
|
CPUState *env = opaque;
|
|
int i, guess_mmx;
|
|
uint32_t hflags;
|
|
uint16_t fpus, fpuc, fptag, fpregs_format;
|
|
|
|
if (version_id != 3)
|
|
return -EINVAL;
|
|
for(i = 0; i < CPU_NB_REGS; i++)
|
|
qemu_get_betls(f, &env->regs[i]);
|
|
qemu_get_betls(f, &env->eip);
|
|
qemu_get_betls(f, &env->eflags);
|
|
qemu_get_be32s(f, &hflags);
|
|
|
|
qemu_get_be16s(f, &fpuc);
|
|
qemu_get_be16s(f, &fpus);
|
|
qemu_get_be16s(f, &fptag);
|
|
qemu_get_be16s(f, &fpregs_format);
|
|
|
|
/* NOTE: we cannot always restore the FPU state if the image come
|
|
from a host with a different 'USE_X86LDOUBLE' define. We guess
|
|
if we are in an MMX state to restore correctly in that case. */
|
|
guess_mmx = ((fptag == 0xff) && (fpus & 0x3800) == 0);
|
|
for(i = 0; i < 8; i++) {
|
|
uint64_t mant;
|
|
uint16_t exp;
|
|
|
|
switch(fpregs_format) {
|
|
case 0:
|
|
mant = qemu_get_be64(f);
|
|
exp = qemu_get_be16(f);
|
|
#ifdef USE_X86LDOUBLE
|
|
env->fpregs[i].d = cpu_set_fp80(mant, exp);
|
|
#else
|
|
/* difficult case */
|
|
if (guess_mmx)
|
|
env->fpregs[i].mmx.MMX_Q(0) = mant;
|
|
else
|
|
env->fpregs[i].d = cpu_set_fp80(mant, exp);
|
|
#endif
|
|
break;
|
|
case 1:
|
|
mant = qemu_get_be64(f);
|
|
#ifdef USE_X86LDOUBLE
|
|
{
|
|
union x86_longdouble *p;
|
|
/* difficult case */
|
|
p = (void *)&env->fpregs[i];
|
|
if (guess_mmx) {
|
|
p->mant = mant;
|
|
p->exp = 0xffff;
|
|
} else {
|
|
fp64_to_fp80(p, mant);
|
|
}
|
|
}
|
|
#else
|
|
env->fpregs[i].mmx.MMX_Q(0) = mant;
|
|
#endif
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
|
|
env->fpuc = fpuc;
|
|
/* XXX: restore FPU round state */
|
|
env->fpstt = (fpus >> 11) & 7;
|
|
env->fpus = fpus & ~0x3800;
|
|
fptag ^= 0xff;
|
|
for(i = 0; i < 8; i++) {
|
|
env->fptags[i] = (fptag >> i) & 1;
|
|
}
|
|
|
|
for(i = 0; i < 6; i++)
|
|
cpu_get_seg(f, &env->segs[i]);
|
|
cpu_get_seg(f, &env->ldt);
|
|
cpu_get_seg(f, &env->tr);
|
|
cpu_get_seg(f, &env->gdt);
|
|
cpu_get_seg(f, &env->idt);
|
|
|
|
qemu_get_be32s(f, &env->sysenter_cs);
|
|
qemu_get_be32s(f, &env->sysenter_esp);
|
|
qemu_get_be32s(f, &env->sysenter_eip);
|
|
|
|
qemu_get_betls(f, &env->cr[0]);
|
|
qemu_get_betls(f, &env->cr[2]);
|
|
qemu_get_betls(f, &env->cr[3]);
|
|
qemu_get_betls(f, &env->cr[4]);
|
|
|
|
for(i = 0; i < 8; i++)
|
|
qemu_get_betls(f, &env->dr[i]);
|
|
|
|
/* MMU */
|
|
qemu_get_be32s(f, &env->a20_mask);
|
|
|
|
qemu_get_be32s(f, &env->mxcsr);
|
|
for(i = 0; i < CPU_NB_REGS; i++) {
|
|
qemu_get_be64s(f, &env->xmm_regs[i].XMM_Q(0));
|
|
qemu_get_be64s(f, &env->xmm_regs[i].XMM_Q(1));
|
|
}
|
|
|
|
#ifdef TARGET_X86_64
|
|
qemu_get_be64s(f, &env->efer);
|
|
qemu_get_be64s(f, &env->star);
|
|
qemu_get_be64s(f, &env->lstar);
|
|
qemu_get_be64s(f, &env->cstar);
|
|
qemu_get_be64s(f, &env->fmask);
|
|
qemu_get_be64s(f, &env->kernelgsbase);
|
|
#endif
|
|
|
|
/* XXX: compute hflags from scratch, except for CPL and IIF */
|
|
env->hflags = hflags;
|
|
tlb_flush(env, 1);
|
|
return 0;
|
|
}
|
|
|
|
#elif defined(TARGET_PPC)
|
|
void cpu_save(QEMUFile *f, void *opaque)
|
|
{
|
|
}
|
|
|
|
int cpu_load(QEMUFile *f, void *opaque, int version_id)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
#elif defined(TARGET_MIPS)
|
|
void cpu_save(QEMUFile *f, void *opaque)
|
|
{
|
|
}
|
|
|
|
int cpu_load(QEMUFile *f, void *opaque, int version_id)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
#elif defined(TARGET_SPARC)
|
|
void cpu_save(QEMUFile *f, void *opaque)
|
|
{
|
|
CPUState *env = opaque;
|
|
int i;
|
|
uint32_t tmp;
|
|
|
|
for(i = 0; i < 8; i++)
|
|
qemu_put_betls(f, &env->gregs[i]);
|
|
for(i = 0; i < NWINDOWS * 16; i++)
|
|
qemu_put_betls(f, &env->regbase[i]);
|
|
|
|
/* FPU */
|
|
for(i = 0; i < TARGET_FPREGS; i++) {
|
|
union {
|
|
TARGET_FPREG_T f;
|
|
target_ulong i;
|
|
} u;
|
|
u.f = env->fpr[i];
|
|
qemu_put_betl(f, u.i);
|
|
}
|
|
|
|
qemu_put_betls(f, &env->pc);
|
|
qemu_put_betls(f, &env->npc);
|
|
qemu_put_betls(f, &env->y);
|
|
tmp = GET_PSR(env);
|
|
qemu_put_be32(f, tmp);
|
|
qemu_put_betls(f, &env->fsr);
|
|
qemu_put_betls(f, &env->tbr);
|
|
#ifndef TARGET_SPARC64
|
|
qemu_put_be32s(f, &env->wim);
|
|
/* MMU */
|
|
for(i = 0; i < 16; i++)
|
|
qemu_put_be32s(f, &env->mmuregs[i]);
|
|
#endif
|
|
}
|
|
|
|
int cpu_load(QEMUFile *f, void *opaque, int version_id)
|
|
{
|
|
CPUState *env = opaque;
|
|
int i;
|
|
uint32_t tmp;
|
|
|
|
for(i = 0; i < 8; i++)
|
|
qemu_get_betls(f, &env->gregs[i]);
|
|
for(i = 0; i < NWINDOWS * 16; i++)
|
|
qemu_get_betls(f, &env->regbase[i]);
|
|
|
|
/* FPU */
|
|
for(i = 0; i < TARGET_FPREGS; i++) {
|
|
union {
|
|
TARGET_FPREG_T f;
|
|
target_ulong i;
|
|
} u;
|
|
u.i = qemu_get_betl(f);
|
|
env->fpr[i] = u.f;
|
|
}
|
|
|
|
qemu_get_betls(f, &env->pc);
|
|
qemu_get_betls(f, &env->npc);
|
|
qemu_get_betls(f, &env->y);
|
|
tmp = qemu_get_be32(f);
|
|
env->cwp = 0; /* needed to ensure that the wrapping registers are
|
|
correctly updated */
|
|
PUT_PSR(env, tmp);
|
|
qemu_get_betls(f, &env->fsr);
|
|
qemu_get_betls(f, &env->tbr);
|
|
#ifndef TARGET_SPARC64
|
|
qemu_get_be32s(f, &env->wim);
|
|
/* MMU */
|
|
for(i = 0; i < 16; i++)
|
|
qemu_get_be32s(f, &env->mmuregs[i]);
|
|
#endif
|
|
tlb_flush(env, 1);
|
|
return 0;
|
|
}
|
|
#else
|
|
|
|
#warning No CPU save/restore functions
|
|
|
|
#endif
|
|
|
|
/***********************************************************/
|
|
/* ram save/restore */
|
|
|
|
/* we just avoid storing empty pages */
|
|
static void ram_put_page(QEMUFile *f, const uint8_t *buf, int len)
|
|
{
|
|
int i, v;
|
|
|
|
v = buf[0];
|
|
for(i = 1; i < len; i++) {
|
|
if (buf[i] != v)
|
|
goto normal_save;
|
|
}
|
|
qemu_put_byte(f, 1);
|
|
qemu_put_byte(f, v);
|
|
return;
|
|
normal_save:
|
|
qemu_put_byte(f, 0);
|
|
qemu_put_buffer(f, buf, len);
|
|
}
|
|
|
|
static int ram_get_page(QEMUFile *f, uint8_t *buf, int len)
|
|
{
|
|
int v;
|
|
|
|
v = qemu_get_byte(f);
|
|
switch(v) {
|
|
case 0:
|
|
if (qemu_get_buffer(f, buf, len) != len)
|
|
return -EIO;
|
|
break;
|
|
case 1:
|
|
v = qemu_get_byte(f);
|
|
memset(buf, v, len);
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void ram_save(QEMUFile *f, void *opaque)
|
|
{
|
|
int i;
|
|
qemu_put_be32(f, phys_ram_size);
|
|
for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) {
|
|
ram_put_page(f, phys_ram_base + i, TARGET_PAGE_SIZE);
|
|
}
|
|
}
|
|
|
|
static int ram_load(QEMUFile *f, void *opaque, int version_id)
|
|
{
|
|
int i, ret;
|
|
|
|
if (version_id != 1)
|
|
return -EINVAL;
|
|
if (qemu_get_be32(f) != phys_ram_size)
|
|
return -EINVAL;
|
|
for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) {
|
|
ret = ram_get_page(f, phys_ram_base + i, TARGET_PAGE_SIZE);
|
|
if (ret)
|
|
return ret;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/***********************************************************/
|
|
/* machine registration */
|
|
|
|
QEMUMachine *first_machine = NULL;
|
|
|
|
int qemu_register_machine(QEMUMachine *m)
|
|
{
|
|
QEMUMachine **pm;
|
|
pm = &first_machine;
|
|
while (*pm != NULL)
|
|
pm = &(*pm)->next;
|
|
m->next = NULL;
|
|
*pm = m;
|
|
return 0;
|
|
}
|
|
|
|
QEMUMachine *find_machine(const char *name)
|
|
{
|
|
QEMUMachine *m;
|
|
|
|
for(m = first_machine; m != NULL; m = m->next) {
|
|
if (!strcmp(m->name, name))
|
|
return m;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/***********************************************************/
|
|
/* main execution loop */
|
|
|
|
void gui_update(void *opaque)
|
|
{
|
|
display_state.dpy_refresh(&display_state);
|
|
qemu_mod_timer(gui_timer, GUI_REFRESH_INTERVAL + qemu_get_clock(rt_clock));
|
|
}
|
|
|
|
struct vm_change_state_entry {
|
|
VMChangeStateHandler *cb;
|
|
void *opaque;
|
|
LIST_ENTRY (vm_change_state_entry) entries;
|
|
};
|
|
|
|
static LIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
|
|
|
|
VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
|
|
void *opaque)
|
|
{
|
|
VMChangeStateEntry *e;
|
|
|
|
e = qemu_mallocz(sizeof (*e));
|
|
if (!e)
|
|
return NULL;
|
|
|
|
e->cb = cb;
|
|
e->opaque = opaque;
|
|
LIST_INSERT_HEAD(&vm_change_state_head, e, entries);
|
|
return e;
|
|
}
|
|
|
|
void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
|
|
{
|
|
LIST_REMOVE (e, entries);
|
|
qemu_free (e);
|
|
}
|
|
|
|
static void vm_state_notify(int running)
|
|
{
|
|
VMChangeStateEntry *e;
|
|
|
|
for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
|
|
e->cb(e->opaque, running);
|
|
}
|
|
}
|
|
|
|
/* XXX: support several handlers */
|
|
static VMStopHandler *vm_stop_cb;
|
|
static void *vm_stop_opaque;
|
|
|
|
int qemu_add_vm_stop_handler(VMStopHandler *cb, void *opaque)
|
|
{
|
|
vm_stop_cb = cb;
|
|
vm_stop_opaque = opaque;
|
|
return 0;
|
|
}
|
|
|
|
void qemu_del_vm_stop_handler(VMStopHandler *cb, void *opaque)
|
|
{
|
|
vm_stop_cb = NULL;
|
|
}
|
|
|
|
void vm_start(void)
|
|
{
|
|
if (!vm_running) {
|
|
cpu_enable_ticks();
|
|
vm_running = 1;
|
|
vm_state_notify(1);
|
|
}
|
|
}
|
|
|
|
void vm_stop(int reason)
|
|
{
|
|
if (vm_running) {
|
|
cpu_disable_ticks();
|
|
vm_running = 0;
|
|
if (reason != 0) {
|
|
if (vm_stop_cb) {
|
|
vm_stop_cb(vm_stop_opaque, reason);
|
|
}
|
|
}
|
|
vm_state_notify(0);
|
|
}
|
|
}
|
|
|
|
/* reset/shutdown handler */
|
|
|
|
typedef struct QEMUResetEntry {
|
|
QEMUResetHandler *func;
|
|
void *opaque;
|
|
struct QEMUResetEntry *next;
|
|
} QEMUResetEntry;
|
|
|
|
static QEMUResetEntry *first_reset_entry;
|
|
static int reset_requested;
|
|
static int shutdown_requested;
|
|
static int powerdown_requested;
|
|
|
|
void qemu_register_reset(QEMUResetHandler *func, void *opaque)
|
|
{
|
|
QEMUResetEntry **pre, *re;
|
|
|
|
pre = &first_reset_entry;
|
|
while (*pre != NULL)
|
|
pre = &(*pre)->next;
|
|
re = qemu_mallocz(sizeof(QEMUResetEntry));
|
|
re->func = func;
|
|
re->opaque = opaque;
|
|
re->next = NULL;
|
|
*pre = re;
|
|
}
|
|
|
|
void qemu_system_reset(void)
|
|
{
|
|
QEMUResetEntry *re;
|
|
|
|
/* reset all devices */
|
|
for(re = first_reset_entry; re != NULL; re = re->next) {
|
|
re->func(re->opaque);
|
|
}
|
|
}
|
|
|
|
void qemu_system_reset_request(void)
|
|
{
|
|
reset_requested = 1;
|
|
if (cpu_single_env)
|
|
cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
|
|
}
|
|
|
|
void qemu_system_shutdown_request(void)
|
|
{
|
|
shutdown_requested = 1;
|
|
if (cpu_single_env)
|
|
cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
|
|
}
|
|
|
|
void qemu_system_powerdown_request(void)
|
|
{
|
|
powerdown_requested = 1;
|
|
if (cpu_single_env)
|
|
cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
|
|
}
|
|
|
|
void main_loop_wait(int timeout)
|
|
{
|
|
#ifndef _WIN32
|
|
struct pollfd ufds[MAX_IO_HANDLERS + 1], *pf;
|
|
IOHandlerRecord *ioh, *ioh_next;
|
|
#endif
|
|
int ret;
|
|
|
|
#ifdef _WIN32
|
|
if (timeout > 0)
|
|
Sleep(timeout);
|
|
#else
|
|
/* poll any events */
|
|
/* XXX: separate device handlers from system ones */
|
|
pf = ufds;
|
|
for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
|
|
pf->events = 0;
|
|
pf->fd = ioh->fd;
|
|
if (ioh->fd_read &&
|
|
(!ioh->fd_read_poll ||
|
|
ioh->fd_read_poll(ioh->opaque) != 0)) {
|
|
pf->events |= POLLIN;
|
|
}
|
|
if (ioh->fd_write) {
|
|
pf->events |= POLLOUT;
|
|
}
|
|
ioh->ufd = pf;
|
|
pf++;
|
|
}
|
|
|
|
ret = poll(ufds, pf - ufds, timeout);
|
|
if (ret > 0) {
|
|
/* XXX: better handling of removal */
|
|
for(ioh = first_io_handler; ioh != NULL; ioh = ioh_next) {
|
|
ioh_next = ioh->next;
|
|
pf = ioh->ufd;
|
|
if (pf->revents & POLLIN) {
|
|
ioh->fd_read(ioh->opaque);
|
|
}
|
|
if (pf->revents & POLLOUT) {
|
|
ioh->fd_write(ioh->opaque);
|
|
}
|
|
}
|
|
}
|
|
#endif /* !defined(_WIN32) */
|
|
#if defined(CONFIG_SLIRP)
|
|
/* XXX: merge with poll() */
|
|
if (slirp_inited) {
|
|
fd_set rfds, wfds, xfds;
|
|
int nfds;
|
|
struct timeval tv;
|
|
|
|
nfds = -1;
|
|
FD_ZERO(&rfds);
|
|
FD_ZERO(&wfds);
|
|
FD_ZERO(&xfds);
|
|
slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
|
|
tv.tv_sec = 0;
|
|
tv.tv_usec = 0;
|
|
ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
|
|
if (ret >= 0) {
|
|
slirp_select_poll(&rfds, &wfds, &xfds);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
if (vm_running) {
|
|
qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL],
|
|
qemu_get_clock(vm_clock));
|
|
/* run dma transfers, if any */
|
|
DMA_run();
|
|
}
|
|
|
|
/* real time timers */
|
|
qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME],
|
|
qemu_get_clock(rt_clock));
|
|
}
|
|
|
|
static CPUState *cur_cpu;
|
|
|
|
int main_loop(void)
|
|
{
|
|
int ret, timeout;
|
|
CPUState *env;
|
|
|
|
cur_cpu = first_cpu;
|
|
for(;;) {
|
|
if (vm_running) {
|
|
|
|
env = cur_cpu;
|
|
for(;;) {
|
|
/* get next cpu */
|
|
env = env->next_cpu;
|
|
if (!env)
|
|
env = first_cpu;
|
|
ret = cpu_exec(env);
|
|
if (ret != EXCP_HALTED)
|
|
break;
|
|
/* all CPUs are halted ? */
|
|
if (env == cur_cpu) {
|
|
ret = EXCP_HLT;
|
|
break;
|
|
}
|
|
}
|
|
cur_cpu = env;
|
|
|
|
if (shutdown_requested) {
|
|
ret = EXCP_INTERRUPT;
|
|
break;
|
|
}
|
|
if (reset_requested) {
|
|
reset_requested = 0;
|
|
qemu_system_reset();
|
|
ret = EXCP_INTERRUPT;
|
|
}
|
|
if (powerdown_requested) {
|
|
powerdown_requested = 0;
|
|
qemu_system_powerdown();
|
|
ret = EXCP_INTERRUPT;
|
|
}
|
|
if (ret == EXCP_DEBUG) {
|
|
vm_stop(EXCP_DEBUG);
|
|
}
|
|
/* if hlt instruction, we wait until the next IRQ */
|
|
/* XXX: use timeout computed from timers */
|
|
if (ret == EXCP_HLT)
|
|
timeout = 10;
|
|
else
|
|
timeout = 0;
|
|
} else {
|
|
timeout = 10;
|
|
}
|
|
main_loop_wait(timeout);
|
|
}
|
|
cpu_disable_ticks();
|
|
return ret;
|
|
}
|
|
|
|
void help(void)
|
|
{
|
|
printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003-2005 Fabrice Bellard\n"
|
|
"usage: %s [options] [disk_image]\n"
|
|
"\n"
|
|
"'disk_image' is a raw hard image image for IDE hard disk 0\n"
|
|
"\n"
|
|
"Standard options:\n"
|
|
"-M machine select emulated machine (-M ? for list)\n"
|
|
"-fda/-fdb file use 'file' as floppy disk 0/1 image\n"
|
|
"-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n"
|
|
"-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n"
|
|
"-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n"
|
|
"-boot [a|c|d] boot on floppy (a), hard disk (c) or CD-ROM (d)\n"
|
|
"-snapshot write to temporary files instead of disk image files\n"
|
|
"-m megs set virtual RAM size to megs MB [default=%d]\n"
|
|
"-nographic disable graphical output and redirect serial I/Os to console\n"
|
|
#ifndef _WIN32
|
|
"-k language use keyboard layout (for example \"fr\" for French)\n"
|
|
#endif
|
|
#ifdef HAS_AUDIO
|
|
"-enable-audio enable audio support, and all the sound cars\n"
|
|
"-audio-help print list of audio drivers and their options\n"
|
|
"-soundhw c1,... enable audio support\n"
|
|
" and only specified sound cards (comma separated list)\n"
|
|
" use -soundhw ? to get the list of supported cards\n"
|
|
#endif
|
|
"-localtime set the real time clock to local time [default=utc]\n"
|
|
"-full-screen start in full screen\n"
|
|
#ifdef TARGET_I386
|
|
"-win2k-hack use it when installing Windows 2000 to avoid a disk full bug\n"
|
|
#endif
|
|
"-usb enable the USB driver (will be the default soon)\n"
|
|
"-usbdevice name add the host or guest USB device 'name'\n"
|
|
#if defined(TARGET_PPC) || defined(TARGET_SPARC)
|
|
"-g WxH[xDEPTH] Set the initial graphical resolution and depth\n"
|
|
#endif
|
|
"\n"
|
|
"Network options:\n"
|
|
"-net nic[,vlan=n][,macaddr=addr]\n"
|
|
" create a new Network Interface Card and connect it to VLAN 'n'\n"
|
|
#ifdef CONFIG_SLIRP
|
|
"-net user[,vlan=n]\n"
|
|
" connect the user mode network stack to VLAN 'n'\n"
|
|
#endif
|
|
#ifndef _WIN32
|
|
"-net tap[,vlan=n][,fd=h][,ifname=name][,script=file]\n"
|
|
" connect the host TAP network interface to VLAN 'n' and use\n"
|
|
" the network script 'file' (default=%s);\n"
|
|
" use 'fd=h' to connect to an already opened TAP interface\n"
|
|
"-net socket[,vlan=n][,fd=h][,listen=[host]:port][,connect=host:port]\n"
|
|
" connect the vlan 'n' to another VLAN using a socket connection\n"
|
|
#endif
|
|
"-net none use it alone to have zero network devices; if no -net option\n"
|
|
" is provided, the default is '-net nic -net user'\n"
|
|
"\n"
|
|
#ifdef CONFIG_SLIRP
|
|
"-tftp prefix allow tftp access to files starting with prefix [-net user]\n"
|
|
#ifndef _WIN32
|
|
"-smb dir allow SMB access to files in 'dir' [-net user]\n"
|
|
#endif
|
|
"-redir [tcp|udp]:host-port:[guest-host]:guest-port\n"
|
|
" redirect TCP or UDP connections from host to guest [-net user]\n"
|
|
#endif
|
|
"\n"
|
|
"Linux boot specific:\n"
|
|
"-kernel bzImage use 'bzImage' as kernel image\n"
|
|
"-append cmdline use 'cmdline' as kernel command line\n"
|
|
"-initrd file use 'file' as initial ram disk\n"
|
|
"\n"
|
|
"Debug/Expert options:\n"
|
|
"-monitor dev redirect the monitor to char device 'dev'\n"
|
|
"-serial dev redirect the serial port to char device 'dev'\n"
|
|
"-parallel dev redirect the parallel port to char device 'dev'\n"
|
|
"-pidfile file Write PID to 'file'\n"
|
|
"-S freeze CPU at startup (use 'c' to start execution)\n"
|
|
"-s wait gdb connection to port %d\n"
|
|
"-p port change gdb connection port\n"
|
|
"-d item1,... output log to %s (use -d ? for a list of log items)\n"
|
|
"-hdachs c,h,s[,t] force hard disk 0 physical geometry and the optional BIOS\n"
|
|
" translation (t=none or lba) (usually qemu can guess them)\n"
|
|
"-L path set the directory for the BIOS and VGA BIOS\n"
|
|
#ifdef USE_KQEMU
|
|
"-no-kqemu disable KQEMU kernel module usage\n"
|
|
#endif
|
|
#ifdef USE_CODE_COPY
|
|
"-no-code-copy disable code copy acceleration\n"
|
|
#endif
|
|
#ifdef TARGET_I386
|
|
"-std-vga simulate a standard VGA card with VESA Bochs Extensions\n"
|
|
" (default is CL-GD5446 PCI VGA)\n"
|
|
#endif
|
|
"-loadvm file start right away with a saved state (loadvm in monitor)\n"
|
|
"\n"
|
|
"During emulation, the following keys are useful:\n"
|
|
"ctrl-alt-f toggle full screen\n"
|
|
"ctrl-alt-n switch to virtual console 'n'\n"
|
|
"ctrl-alt toggle mouse and keyboard grab\n"
|
|
"\n"
|
|
"When using -nographic, press 'ctrl-a h' to get some help.\n"
|
|
,
|
|
#ifdef CONFIG_SOFTMMU
|
|
"qemu",
|
|
#else
|
|
"qemu-fast",
|
|
#endif
|
|
DEFAULT_RAM_SIZE,
|
|
#ifndef _WIN32
|
|
DEFAULT_NETWORK_SCRIPT,
|
|
#endif
|
|
DEFAULT_GDBSTUB_PORT,
|
|
"/tmp/qemu.log");
|
|
#ifndef CONFIG_SOFTMMU
|
|
printf("\n"
|
|
"NOTE: this version of QEMU is faster but it needs slightly patched OSes to\n"
|
|
"work. Please use the 'qemu' executable to have a more accurate (but slower)\n"
|
|
"PC emulation.\n");
|
|
#endif
|
|
exit(1);
|
|
}
|
|
|
|
#define HAS_ARG 0x0001
|
|
|
|
enum {
|
|
QEMU_OPTION_h,
|
|
|
|
QEMU_OPTION_M,
|
|
QEMU_OPTION_fda,
|
|
QEMU_OPTION_fdb,
|
|
QEMU_OPTION_hda,
|
|
QEMU_OPTION_hdb,
|
|
QEMU_OPTION_hdc,
|
|
QEMU_OPTION_hdd,
|
|
QEMU_OPTION_cdrom,
|
|
QEMU_OPTION_boot,
|
|
QEMU_OPTION_snapshot,
|
|
QEMU_OPTION_m,
|
|
QEMU_OPTION_nographic,
|
|
#ifdef HAS_AUDIO
|
|
QEMU_OPTION_enable_audio,
|
|
QEMU_OPTION_audio_help,
|
|
QEMU_OPTION_soundhw,
|
|
#endif
|
|
|
|
QEMU_OPTION_net,
|
|
QEMU_OPTION_tftp,
|
|
QEMU_OPTION_smb,
|
|
QEMU_OPTION_redir,
|
|
|
|
QEMU_OPTION_kernel,
|
|
QEMU_OPTION_append,
|
|
QEMU_OPTION_initrd,
|
|
|
|
QEMU_OPTION_S,
|
|
QEMU_OPTION_s,
|
|
QEMU_OPTION_p,
|
|
QEMU_OPTION_d,
|
|
QEMU_OPTION_hdachs,
|
|
QEMU_OPTION_L,
|
|
QEMU_OPTION_no_code_copy,
|
|
QEMU_OPTION_k,
|
|
QEMU_OPTION_localtime,
|
|
QEMU_OPTION_cirrusvga,
|
|
QEMU_OPTION_g,
|
|
QEMU_OPTION_std_vga,
|
|
QEMU_OPTION_monitor,
|
|
QEMU_OPTION_serial,
|
|
QEMU_OPTION_parallel,
|
|
QEMU_OPTION_loadvm,
|
|
QEMU_OPTION_full_screen,
|
|
QEMU_OPTION_pidfile,
|
|
QEMU_OPTION_no_kqemu,
|
|
QEMU_OPTION_win2k_hack,
|
|
QEMU_OPTION_usb,
|
|
QEMU_OPTION_usbdevice,
|
|
QEMU_OPTION_smp,
|
|
};
|
|
|
|
typedef struct QEMUOption {
|
|
const char *name;
|
|
int flags;
|
|
int index;
|
|
} QEMUOption;
|
|
|
|
const QEMUOption qemu_options[] = {
|
|
{ "h", 0, QEMU_OPTION_h },
|
|
|
|
{ "M", HAS_ARG, QEMU_OPTION_M },
|
|
{ "fda", HAS_ARG, QEMU_OPTION_fda },
|
|
{ "fdb", HAS_ARG, QEMU_OPTION_fdb },
|
|
{ "hda", HAS_ARG, QEMU_OPTION_hda },
|
|
{ "hdb", HAS_ARG, QEMU_OPTION_hdb },
|
|
{ "hdc", HAS_ARG, QEMU_OPTION_hdc },
|
|
{ "hdd", HAS_ARG, QEMU_OPTION_hdd },
|
|
{ "cdrom", HAS_ARG, QEMU_OPTION_cdrom },
|
|
{ "boot", HAS_ARG, QEMU_OPTION_boot },
|
|
{ "snapshot", 0, QEMU_OPTION_snapshot },
|
|
{ "m", HAS_ARG, QEMU_OPTION_m },
|
|
{ "nographic", 0, QEMU_OPTION_nographic },
|
|
{ "k", HAS_ARG, QEMU_OPTION_k },
|
|
#ifdef HAS_AUDIO
|
|
{ "enable-audio", 0, QEMU_OPTION_enable_audio },
|
|
{ "audio-help", 0, QEMU_OPTION_audio_help },
|
|
{ "soundhw", HAS_ARG, QEMU_OPTION_soundhw },
|
|
#endif
|
|
|
|
{ "net", HAS_ARG, QEMU_OPTION_net},
|
|
#ifdef CONFIG_SLIRP
|
|
{ "tftp", HAS_ARG, QEMU_OPTION_tftp },
|
|
#ifndef _WIN32
|
|
{ "smb", HAS_ARG, QEMU_OPTION_smb },
|
|
#endif
|
|
{ "redir", HAS_ARG, QEMU_OPTION_redir },
|
|
#endif
|
|
|
|
{ "kernel", HAS_ARG, QEMU_OPTION_kernel },
|
|
{ "append", HAS_ARG, QEMU_OPTION_append },
|
|
{ "initrd", HAS_ARG, QEMU_OPTION_initrd },
|
|
|
|
{ "S", 0, QEMU_OPTION_S },
|
|
{ "s", 0, QEMU_OPTION_s },
|
|
{ "p", HAS_ARG, QEMU_OPTION_p },
|
|
{ "d", HAS_ARG, QEMU_OPTION_d },
|
|
{ "hdachs", HAS_ARG, QEMU_OPTION_hdachs },
|
|
{ "L", HAS_ARG, QEMU_OPTION_L },
|
|
{ "no-code-copy", 0, QEMU_OPTION_no_code_copy },
|
|
#ifdef USE_KQEMU
|
|
{ "no-kqemu", 0, QEMU_OPTION_no_kqemu },
|
|
#endif
|
|
#if defined(TARGET_PPC) || defined(TARGET_SPARC)
|
|
{ "g", 1, QEMU_OPTION_g },
|
|
#endif
|
|
{ "localtime", 0, QEMU_OPTION_localtime },
|
|
{ "std-vga", 0, QEMU_OPTION_std_vga },
|
|
{ "monitor", 1, QEMU_OPTION_monitor },
|
|
{ "serial", 1, QEMU_OPTION_serial },
|
|
{ "parallel", 1, QEMU_OPTION_parallel },
|
|
{ "loadvm", HAS_ARG, QEMU_OPTION_loadvm },
|
|
{ "full-screen", 0, QEMU_OPTION_full_screen },
|
|
{ "pidfile", HAS_ARG, QEMU_OPTION_pidfile },
|
|
{ "win2k-hack", 0, QEMU_OPTION_win2k_hack },
|
|
{ "usbdevice", HAS_ARG, QEMU_OPTION_usbdevice },
|
|
{ "smp", HAS_ARG, QEMU_OPTION_smp },
|
|
|
|
/* temporary options */
|
|
{ "usb", 0, QEMU_OPTION_usb },
|
|
{ "cirrusvga", 0, QEMU_OPTION_cirrusvga },
|
|
{ NULL },
|
|
};
|
|
|
|
#if defined (TARGET_I386) && defined(USE_CODE_COPY)
|
|
|
|
/* this stack is only used during signal handling */
|
|
#define SIGNAL_STACK_SIZE 32768
|
|
|
|
static uint8_t *signal_stack;
|
|
|
|
#endif
|
|
|
|
/* password input */
|
|
|
|
static BlockDriverState *get_bdrv(int index)
|
|
{
|
|
BlockDriverState *bs;
|
|
|
|
if (index < 4) {
|
|
bs = bs_table[index];
|
|
} else if (index < 6) {
|
|
bs = fd_table[index - 4];
|
|
} else {
|
|
bs = NULL;
|
|
}
|
|
return bs;
|
|
}
|
|
|
|
static void read_passwords(void)
|
|
{
|
|
BlockDriverState *bs;
|
|
int i, j;
|
|
char password[256];
|
|
|
|
for(i = 0; i < 6; i++) {
|
|
bs = get_bdrv(i);
|
|
if (bs && bdrv_is_encrypted(bs)) {
|
|
term_printf("%s is encrypted.\n", bdrv_get_device_name(bs));
|
|
for(j = 0; j < 3; j++) {
|
|
monitor_readline("Password: ",
|
|
1, password, sizeof(password));
|
|
if (bdrv_set_key(bs, password) == 0)
|
|
break;
|
|
term_printf("invalid password\n");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* XXX: currently we cannot use simultaneously different CPUs */
|
|
void register_machines(void)
|
|
{
|
|
#if defined(TARGET_I386)
|
|
qemu_register_machine(&pc_machine);
|
|
qemu_register_machine(&isapc_machine);
|
|
#elif defined(TARGET_PPC)
|
|
qemu_register_machine(&heathrow_machine);
|
|
qemu_register_machine(&core99_machine);
|
|
qemu_register_machine(&prep_machine);
|
|
#elif defined(TARGET_MIPS)
|
|
qemu_register_machine(&mips_machine);
|
|
#elif defined(TARGET_SPARC)
|
|
#ifdef TARGET_SPARC64
|
|
qemu_register_machine(&sun4u_machine);
|
|
#else
|
|
qemu_register_machine(&sun4m_machine);
|
|
#endif
|
|
#endif
|
|
}
|
|
|
|
#ifdef HAS_AUDIO
|
|
static void select_soundhw (const char *optarg)
|
|
{
|
|
if (*optarg == '?') {
|
|
show_valid_cards:
|
|
printf ("Valid sound card names (comma separated):\n");
|
|
printf ("sb16 Creative Sound Blaster 16\n");
|
|
#ifdef CONFIG_ADLIB
|
|
#ifdef HAS_YMF262
|
|
printf ("adlib Yamaha YMF262 (OPL3)\n");
|
|
#else
|
|
printf ("adlib Yamaha YM3812 (OPL2)\n");
|
|
#endif
|
|
#endif
|
|
#ifdef CONFIG_GUS
|
|
printf ("gus Gravis Ultrasound GF1\n");
|
|
#endif
|
|
printf ("es1370 ENSONIQ AudioPCI ES1370\n");
|
|
exit (*optarg != '?');
|
|
}
|
|
else {
|
|
struct {
|
|
char *name;
|
|
int *enabledp;
|
|
} soundhw_tab[] = {
|
|
{ "sb16", &sb16_enabled },
|
|
#ifdef CONFIG_ADLIB
|
|
{ "adlib", &adlib_enabled },
|
|
#endif
|
|
#ifdef CONFIG_GUS
|
|
{ "gus", &gus_enabled },
|
|
#endif
|
|
{ "es1370", &es1370_enabled },
|
|
};
|
|
size_t tablen, l, i;
|
|
const char *p;
|
|
char *e;
|
|
int bad_card = 0;
|
|
|
|
p = optarg;
|
|
tablen = sizeof (soundhw_tab) / sizeof (soundhw_tab[0]);
|
|
|
|
while (*p) {
|
|
e = strchr (p, ',');
|
|
l = !e ? strlen (p) : (size_t) (e - p);
|
|
for (i = 0; i < tablen; ++i) {
|
|
if (!strncmp (soundhw_tab[i].name, p, l)) {
|
|
audio_enabled = 1;
|
|
*soundhw_tab[i].enabledp = 1;
|
|
break;
|
|
}
|
|
}
|
|
if (i == tablen) {
|
|
if (l > 80) {
|
|
fprintf (stderr,
|
|
"Unknown sound card name (too big to show)\n");
|
|
}
|
|
else {
|
|
fprintf (stderr, "Unknown sound card name `%.*s'\n",
|
|
(int) l, p);
|
|
}
|
|
bad_card = 1;
|
|
}
|
|
p += l + (e != NULL);
|
|
}
|
|
|
|
if (bad_card)
|
|
goto show_valid_cards;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
#define MAX_NET_CLIENTS 32
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
#ifdef CONFIG_GDBSTUB
|
|
int use_gdbstub, gdbstub_port;
|
|
#endif
|
|
int i, cdrom_index;
|
|
int snapshot, linux_boot;
|
|
const char *initrd_filename;
|
|
const char *hd_filename[MAX_DISKS], *fd_filename[MAX_FD];
|
|
const char *kernel_filename, *kernel_cmdline;
|
|
DisplayState *ds = &display_state;
|
|
int cyls, heads, secs, translation;
|
|
int start_emulation = 1;
|
|
char net_clients[MAX_NET_CLIENTS][256];
|
|
int nb_net_clients;
|
|
int optind;
|
|
const char *r, *optarg;
|
|
CharDriverState *monitor_hd;
|
|
char monitor_device[128];
|
|
char serial_devices[MAX_SERIAL_PORTS][128];
|
|
int serial_device_index;
|
|
char parallel_devices[MAX_PARALLEL_PORTS][128];
|
|
int parallel_device_index;
|
|
const char *loadvm = NULL;
|
|
QEMUMachine *machine;
|
|
char usb_devices[MAX_VM_USB_PORTS][128];
|
|
int usb_devices_index;
|
|
|
|
LIST_INIT (&vm_change_state_head);
|
|
#if !defined(CONFIG_SOFTMMU)
|
|
/* we never want that malloc() uses mmap() */
|
|
mallopt(M_MMAP_THRESHOLD, 4096 * 1024);
|
|
#endif
|
|
register_machines();
|
|
machine = first_machine;
|
|
initrd_filename = NULL;
|
|
for(i = 0; i < MAX_FD; i++)
|
|
fd_filename[i] = NULL;
|
|
for(i = 0; i < MAX_DISKS; i++)
|
|
hd_filename[i] = NULL;
|
|
ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
|
|
vga_ram_size = VGA_RAM_SIZE;
|
|
bios_size = BIOS_SIZE;
|
|
#ifdef CONFIG_GDBSTUB
|
|
use_gdbstub = 0;
|
|
gdbstub_port = DEFAULT_GDBSTUB_PORT;
|
|
#endif
|
|
snapshot = 0;
|
|
nographic = 0;
|
|
kernel_filename = NULL;
|
|
kernel_cmdline = "";
|
|
#ifdef TARGET_PPC
|
|
cdrom_index = 1;
|
|
#else
|
|
cdrom_index = 2;
|
|
#endif
|
|
cyls = heads = secs = 0;
|
|
translation = BIOS_ATA_TRANSLATION_AUTO;
|
|
pstrcpy(monitor_device, sizeof(monitor_device), "vc");
|
|
|
|
pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "vc");
|
|
for(i = 1; i < MAX_SERIAL_PORTS; i++)
|
|
serial_devices[i][0] = '\0';
|
|
serial_device_index = 0;
|
|
|
|
pstrcpy(parallel_devices[0], sizeof(parallel_devices[0]), "vc");
|
|
for(i = 1; i < MAX_PARALLEL_PORTS; i++)
|
|
parallel_devices[i][0] = '\0';
|
|
parallel_device_index = 0;
|
|
|
|
usb_devices_index = 0;
|
|
|
|
nb_net_clients = 0;
|
|
|
|
nb_nics = 0;
|
|
/* default mac address of the first network interface */
|
|
|
|
optind = 1;
|
|
for(;;) {
|
|
if (optind >= argc)
|
|
break;
|
|
r = argv[optind];
|
|
if (r[0] != '-') {
|
|
hd_filename[0] = argv[optind++];
|
|
} else {
|
|
const QEMUOption *popt;
|
|
|
|
optind++;
|
|
popt = qemu_options;
|
|
for(;;) {
|
|
if (!popt->name) {
|
|
fprintf(stderr, "%s: invalid option -- '%s'\n",
|
|
argv[0], r);
|
|
exit(1);
|
|
}
|
|
if (!strcmp(popt->name, r + 1))
|
|
break;
|
|
popt++;
|
|
}
|
|
if (popt->flags & HAS_ARG) {
|
|
if (optind >= argc) {
|
|
fprintf(stderr, "%s: option '%s' requires an argument\n",
|
|
argv[0], r);
|
|
exit(1);
|
|
}
|
|
optarg = argv[optind++];
|
|
} else {
|
|
optarg = NULL;
|
|
}
|
|
|
|
switch(popt->index) {
|
|
case QEMU_OPTION_M:
|
|
machine = find_machine(optarg);
|
|
if (!machine) {
|
|
QEMUMachine *m;
|
|
printf("Supported machines are:\n");
|
|
for(m = first_machine; m != NULL; m = m->next) {
|
|
printf("%-10s %s%s\n",
|
|
m->name, m->desc,
|
|
m == first_machine ? " (default)" : "");
|
|
}
|
|
exit(1);
|
|
}
|
|
break;
|
|
case QEMU_OPTION_initrd:
|
|
initrd_filename = optarg;
|
|
break;
|
|
case QEMU_OPTION_hda:
|
|
case QEMU_OPTION_hdb:
|
|
case QEMU_OPTION_hdc:
|
|
case QEMU_OPTION_hdd:
|
|
{
|
|
int hd_index;
|
|
hd_index = popt->index - QEMU_OPTION_hda;
|
|
hd_filename[hd_index] = optarg;
|
|
if (hd_index == cdrom_index)
|
|
cdrom_index = -1;
|
|
}
|
|
break;
|
|
case QEMU_OPTION_snapshot:
|
|
snapshot = 1;
|
|
break;
|
|
case QEMU_OPTION_hdachs:
|
|
{
|
|
const char *p;
|
|
p = optarg;
|
|
cyls = strtol(p, (char **)&p, 0);
|
|
if (cyls < 1 || cyls > 16383)
|
|
goto chs_fail;
|
|
if (*p != ',')
|
|
goto chs_fail;
|
|
p++;
|
|
heads = strtol(p, (char **)&p, 0);
|
|
if (heads < 1 || heads > 16)
|
|
goto chs_fail;
|
|
if (*p != ',')
|
|
goto chs_fail;
|
|
p++;
|
|
secs = strtol(p, (char **)&p, 0);
|
|
if (secs < 1 || secs > 63)
|
|
goto chs_fail;
|
|
if (*p == ',') {
|
|
p++;
|
|
if (!strcmp(p, "none"))
|
|
translation = BIOS_ATA_TRANSLATION_NONE;
|
|
else if (!strcmp(p, "lba"))
|
|
translation = BIOS_ATA_TRANSLATION_LBA;
|
|
else if (!strcmp(p, "auto"))
|
|
translation = BIOS_ATA_TRANSLATION_AUTO;
|
|
else
|
|
goto chs_fail;
|
|
} else if (*p != '\0') {
|
|
chs_fail:
|
|
fprintf(stderr, "qemu: invalid physical CHS format\n");
|
|
exit(1);
|
|
}
|
|
}
|
|
break;
|
|
case QEMU_OPTION_nographic:
|
|
pstrcpy(monitor_device, sizeof(monitor_device), "stdio");
|
|
pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "stdio");
|
|
nographic = 1;
|
|
break;
|
|
case QEMU_OPTION_kernel:
|
|
kernel_filename = optarg;
|
|
break;
|
|
case QEMU_OPTION_append:
|
|
kernel_cmdline = optarg;
|
|
break;
|
|
case QEMU_OPTION_cdrom:
|
|
if (cdrom_index >= 0) {
|
|
hd_filename[cdrom_index] = optarg;
|
|
}
|
|
break;
|
|
case QEMU_OPTION_boot:
|
|
boot_device = optarg[0];
|
|
if (boot_device != 'a' &&
|
|
#ifdef TARGET_SPARC
|
|
// Network boot
|
|
boot_device != 'n' &&
|
|
#endif
|
|
boot_device != 'c' && boot_device != 'd') {
|
|
fprintf(stderr, "qemu: invalid boot device '%c'\n", boot_device);
|
|
exit(1);
|
|
}
|
|
break;
|
|
case QEMU_OPTION_fda:
|
|
fd_filename[0] = optarg;
|
|
break;
|
|
case QEMU_OPTION_fdb:
|
|
fd_filename[1] = optarg;
|
|
break;
|
|
case QEMU_OPTION_no_code_copy:
|
|
code_copy_enabled = 0;
|
|
break;
|
|
case QEMU_OPTION_net:
|
|
if (nb_net_clients >= MAX_NET_CLIENTS) {
|
|
fprintf(stderr, "qemu: too many network clients\n");
|
|
exit(1);
|
|
}
|
|
pstrcpy(net_clients[nb_net_clients],
|
|
sizeof(net_clients[0]),
|
|
optarg);
|
|
nb_net_clients++;
|
|
break;
|
|
#ifdef CONFIG_SLIRP
|
|
case QEMU_OPTION_tftp:
|
|
tftp_prefix = optarg;
|
|
break;
|
|
#ifndef _WIN32
|
|
case QEMU_OPTION_smb:
|
|
net_slirp_smb(optarg);
|
|
break;
|
|
#endif
|
|
case QEMU_OPTION_redir:
|
|
net_slirp_redir(optarg);
|
|
break;
|
|
#endif
|
|
#ifdef HAS_AUDIO
|
|
case QEMU_OPTION_enable_audio:
|
|
audio_enabled = 1;
|
|
sb16_enabled = 1;
|
|
adlib_enabled = 1;
|
|
gus_enabled = 1;
|
|
es1370_enabled = 1;
|
|
break;
|
|
case QEMU_OPTION_audio_help:
|
|
AUD_help ();
|
|
exit (0);
|
|
break;
|
|
case QEMU_OPTION_soundhw:
|
|
select_soundhw (optarg);
|
|
break;
|
|
#endif
|
|
case QEMU_OPTION_h:
|
|
help();
|
|
break;
|
|
case QEMU_OPTION_m:
|
|
ram_size = atoi(optarg) * 1024 * 1024;
|
|
if (ram_size <= 0)
|
|
help();
|
|
if (ram_size > PHYS_RAM_MAX_SIZE) {
|
|
fprintf(stderr, "qemu: at most %d MB RAM can be simulated\n",
|
|
PHYS_RAM_MAX_SIZE / (1024 * 1024));
|
|
exit(1);
|
|
}
|
|
break;
|
|
case QEMU_OPTION_d:
|
|
{
|
|
int mask;
|
|
CPULogItem *item;
|
|
|
|
mask = cpu_str_to_log_mask(optarg);
|
|
if (!mask) {
|
|
printf("Log items (comma separated):\n");
|
|
for(item = cpu_log_items; item->mask != 0; item++) {
|
|
printf("%-10s %s\n", item->name, item->help);
|
|
}
|
|
exit(1);
|
|
}
|
|
cpu_set_log(mask);
|
|
}
|
|
break;
|
|
#ifdef CONFIG_GDBSTUB
|
|
case QEMU_OPTION_s:
|
|
use_gdbstub = 1;
|
|
break;
|
|
case QEMU_OPTION_p:
|
|
gdbstub_port = atoi(optarg);
|
|
break;
|
|
#endif
|
|
case QEMU_OPTION_L:
|
|
bios_dir = optarg;
|
|
break;
|
|
case QEMU_OPTION_S:
|
|
start_emulation = 0;
|
|
break;
|
|
case QEMU_OPTION_k:
|
|
keyboard_layout = optarg;
|
|
break;
|
|
case QEMU_OPTION_localtime:
|
|
rtc_utc = 0;
|
|
break;
|
|
case QEMU_OPTION_cirrusvga:
|
|
cirrus_vga_enabled = 1;
|
|
break;
|
|
case QEMU_OPTION_std_vga:
|
|
cirrus_vga_enabled = 0;
|
|
break;
|
|
case QEMU_OPTION_g:
|
|
{
|
|
const char *p;
|
|
int w, h, depth;
|
|
p = optarg;
|
|
w = strtol(p, (char **)&p, 10);
|
|
if (w <= 0) {
|
|
graphic_error:
|
|
fprintf(stderr, "qemu: invalid resolution or depth\n");
|
|
exit(1);
|
|
}
|
|
if (*p != 'x')
|
|
goto graphic_error;
|
|
p++;
|
|
h = strtol(p, (char **)&p, 10);
|
|
if (h <= 0)
|
|
goto graphic_error;
|
|
if (*p == 'x') {
|
|
p++;
|
|
depth = strtol(p, (char **)&p, 10);
|
|
if (depth != 8 && depth != 15 && depth != 16 &&
|
|
depth != 24 && depth != 32)
|
|
goto graphic_error;
|
|
} else if (*p == '\0') {
|
|
depth = graphic_depth;
|
|
} else {
|
|
goto graphic_error;
|
|
}
|
|
|
|
graphic_width = w;
|
|
graphic_height = h;
|
|
graphic_depth = depth;
|
|
}
|
|
break;
|
|
case QEMU_OPTION_monitor:
|
|
pstrcpy(monitor_device, sizeof(monitor_device), optarg);
|
|
break;
|
|
case QEMU_OPTION_serial:
|
|
if (serial_device_index >= MAX_SERIAL_PORTS) {
|
|
fprintf(stderr, "qemu: too many serial ports\n");
|
|
exit(1);
|
|
}
|
|
pstrcpy(serial_devices[serial_device_index],
|
|
sizeof(serial_devices[0]), optarg);
|
|
serial_device_index++;
|
|
break;
|
|
case QEMU_OPTION_parallel:
|
|
if (parallel_device_index >= MAX_PARALLEL_PORTS) {
|
|
fprintf(stderr, "qemu: too many parallel ports\n");
|
|
exit(1);
|
|
}
|
|
pstrcpy(parallel_devices[parallel_device_index],
|
|
sizeof(parallel_devices[0]), optarg);
|
|
parallel_device_index++;
|
|
break;
|
|
case QEMU_OPTION_loadvm:
|
|
loadvm = optarg;
|
|
break;
|
|
case QEMU_OPTION_full_screen:
|
|
full_screen = 1;
|
|
break;
|
|
case QEMU_OPTION_pidfile:
|
|
create_pidfile(optarg);
|
|
break;
|
|
#ifdef TARGET_I386
|
|
case QEMU_OPTION_win2k_hack:
|
|
win2k_install_hack = 1;
|
|
break;
|
|
#endif
|
|
#ifdef USE_KQEMU
|
|
case QEMU_OPTION_no_kqemu:
|
|
kqemu_allowed = 0;
|
|
break;
|
|
#endif
|
|
case QEMU_OPTION_usb:
|
|
usb_enabled = 1;
|
|
break;
|
|
case QEMU_OPTION_usbdevice:
|
|
usb_enabled = 1;
|
|
if (usb_devices_index >= MAX_VM_USB_PORTS) {
|
|
fprintf(stderr, "Too many USB devices\n");
|
|
exit(1);
|
|
}
|
|
pstrcpy(usb_devices[usb_devices_index],
|
|
sizeof(usb_devices[usb_devices_index]),
|
|
optarg);
|
|
usb_devices_index++;
|
|
break;
|
|
case QEMU_OPTION_smp:
|
|
smp_cpus = atoi(optarg);
|
|
if (smp_cpus < 1 || smp_cpus > 8) {
|
|
fprintf(stderr, "Invalid number of CPUs\n");
|
|
exit(1);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
linux_boot = (kernel_filename != NULL);
|
|
|
|
if (!linux_boot &&
|
|
hd_filename[0] == '\0' &&
|
|
(cdrom_index >= 0 && hd_filename[cdrom_index] == '\0') &&
|
|
fd_filename[0] == '\0')
|
|
help();
|
|
|
|
/* boot to cd by default if no hard disk */
|
|
if (hd_filename[0] == '\0' && boot_device == 'c') {
|
|
if (fd_filename[0] != '\0')
|
|
boot_device = 'a';
|
|
else
|
|
boot_device = 'd';
|
|
}
|
|
|
|
#if !defined(CONFIG_SOFTMMU)
|
|
/* must avoid mmap() usage of glibc by setting a buffer "by hand" */
|
|
{
|
|
static uint8_t stdout_buf[4096];
|
|
setvbuf(stdout, stdout_buf, _IOLBF, sizeof(stdout_buf));
|
|
}
|
|
#else
|
|
setvbuf(stdout, NULL, _IOLBF, 0);
|
|
#endif
|
|
|
|
/* init network clients */
|
|
if (nb_net_clients == 0) {
|
|
/* if no clients, we use a default config */
|
|
pstrcpy(net_clients[0], sizeof(net_clients[0]),
|
|
"nic");
|
|
pstrcpy(net_clients[1], sizeof(net_clients[0]),
|
|
"user");
|
|
nb_net_clients = 2;
|
|
}
|
|
|
|
for(i = 0;i < nb_net_clients; i++) {
|
|
if (net_client_init(net_clients[i]) < 0)
|
|
exit(1);
|
|
}
|
|
|
|
/* init the memory */
|
|
phys_ram_size = ram_size + vga_ram_size + bios_size;
|
|
|
|
#ifdef CONFIG_SOFTMMU
|
|
phys_ram_base = qemu_vmalloc(phys_ram_size);
|
|
if (!phys_ram_base) {
|
|
fprintf(stderr, "Could not allocate physical memory\n");
|
|
exit(1);
|
|
}
|
|
#else
|
|
/* as we must map the same page at several addresses, we must use
|
|
a fd */
|
|
{
|
|
const char *tmpdir;
|
|
|
|
tmpdir = getenv("QEMU_TMPDIR");
|
|
if (!tmpdir)
|
|
tmpdir = "/tmp";
|
|
snprintf(phys_ram_file, sizeof(phys_ram_file), "%s/vlXXXXXX", tmpdir);
|
|
if (mkstemp(phys_ram_file) < 0) {
|
|
fprintf(stderr, "Could not create temporary memory file '%s'\n",
|
|
phys_ram_file);
|
|
exit(1);
|
|
}
|
|
phys_ram_fd = open(phys_ram_file, O_CREAT | O_TRUNC | O_RDWR, 0600);
|
|
if (phys_ram_fd < 0) {
|
|
fprintf(stderr, "Could not open temporary memory file '%s'\n",
|
|
phys_ram_file);
|
|
exit(1);
|
|
}
|
|
ftruncate(phys_ram_fd, phys_ram_size);
|
|
unlink(phys_ram_file);
|
|
phys_ram_base = mmap(get_mmap_addr(phys_ram_size),
|
|
phys_ram_size,
|
|
PROT_WRITE | PROT_READ, MAP_SHARED | MAP_FIXED,
|
|
phys_ram_fd, 0);
|
|
if (phys_ram_base == MAP_FAILED) {
|
|
fprintf(stderr, "Could not map physical memory\n");
|
|
exit(1);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
/* we always create the cdrom drive, even if no disk is there */
|
|
bdrv_init();
|
|
if (cdrom_index >= 0) {
|
|
bs_table[cdrom_index] = bdrv_new("cdrom");
|
|
bdrv_set_type_hint(bs_table[cdrom_index], BDRV_TYPE_CDROM);
|
|
}
|
|
|
|
/* open the virtual block devices */
|
|
for(i = 0; i < MAX_DISKS; i++) {
|
|
if (hd_filename[i]) {
|
|
if (!bs_table[i]) {
|
|
char buf[64];
|
|
snprintf(buf, sizeof(buf), "hd%c", i + 'a');
|
|
bs_table[i] = bdrv_new(buf);
|
|
}
|
|
if (bdrv_open(bs_table[i], hd_filename[i], snapshot) < 0) {
|
|
fprintf(stderr, "qemu: could not open hard disk image '%s'\n",
|
|
hd_filename[i]);
|
|
exit(1);
|
|
}
|
|
if (i == 0 && cyls != 0) {
|
|
bdrv_set_geometry_hint(bs_table[i], cyls, heads, secs);
|
|
bdrv_set_translation_hint(bs_table[i], translation);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* we always create at least one floppy disk */
|
|
fd_table[0] = bdrv_new("fda");
|
|
bdrv_set_type_hint(fd_table[0], BDRV_TYPE_FLOPPY);
|
|
|
|
for(i = 0; i < MAX_FD; i++) {
|
|
if (fd_filename[i]) {
|
|
if (!fd_table[i]) {
|
|
char buf[64];
|
|
snprintf(buf, sizeof(buf), "fd%c", i + 'a');
|
|
fd_table[i] = bdrv_new(buf);
|
|
bdrv_set_type_hint(fd_table[i], BDRV_TYPE_FLOPPY);
|
|
}
|
|
if (fd_filename[i] != '\0') {
|
|
if (bdrv_open(fd_table[i], fd_filename[i], snapshot) < 0) {
|
|
fprintf(stderr, "qemu: could not open floppy disk image '%s'\n",
|
|
fd_filename[i]);
|
|
exit(1);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* init USB devices */
|
|
if (usb_enabled) {
|
|
vm_usb_hub = usb_hub_init(vm_usb_ports, MAX_VM_USB_PORTS);
|
|
for(i = 0; i < usb_devices_index; i++) {
|
|
if (usb_device_add(usb_devices[i]) < 0) {
|
|
fprintf(stderr, "Warning: could not add USB device %s\n",
|
|
usb_devices[i]);
|
|
}
|
|
}
|
|
}
|
|
|
|
register_savevm("timer", 0, 1, timer_save, timer_load, NULL);
|
|
register_savevm("ram", 0, 1, ram_save, ram_load, NULL);
|
|
|
|
init_ioports();
|
|
cpu_calibrate_ticks();
|
|
|
|
/* terminal init */
|
|
if (nographic) {
|
|
dumb_display_init(ds);
|
|
} else {
|
|
#if defined(CONFIG_SDL)
|
|
sdl_display_init(ds, full_screen);
|
|
#elif defined(CONFIG_COCOA)
|
|
cocoa_display_init(ds, full_screen);
|
|
#else
|
|
dumb_display_init(ds);
|
|
#endif
|
|
}
|
|
|
|
vga_console = graphic_console_init(ds);
|
|
|
|
monitor_hd = qemu_chr_open(monitor_device);
|
|
if (!monitor_hd) {
|
|
fprintf(stderr, "qemu: could not open monitor device '%s'\n", monitor_device);
|
|
exit(1);
|
|
}
|
|
monitor_init(monitor_hd, !nographic);
|
|
|
|
for(i = 0; i < MAX_SERIAL_PORTS; i++) {
|
|
if (serial_devices[i][0] != '\0') {
|
|
serial_hds[i] = qemu_chr_open(serial_devices[i]);
|
|
if (!serial_hds[i]) {
|
|
fprintf(stderr, "qemu: could not open serial device '%s'\n",
|
|
serial_devices[i]);
|
|
exit(1);
|
|
}
|
|
if (!strcmp(serial_devices[i], "vc"))
|
|
qemu_chr_printf(serial_hds[i], "serial%d console\n", i);
|
|
}
|
|
}
|
|
|
|
for(i = 0; i < MAX_PARALLEL_PORTS; i++) {
|
|
if (parallel_devices[i][0] != '\0') {
|
|
parallel_hds[i] = qemu_chr_open(parallel_devices[i]);
|
|
if (!parallel_hds[i]) {
|
|
fprintf(stderr, "qemu: could not open parallel device '%s'\n",
|
|
parallel_devices[i]);
|
|
exit(1);
|
|
}
|
|
if (!strcmp(parallel_devices[i], "vc"))
|
|
qemu_chr_printf(parallel_hds[i], "parallel%d console\n", i);
|
|
}
|
|
}
|
|
|
|
/* setup cpu signal handlers for MMU / self modifying code handling */
|
|
#if !defined(CONFIG_SOFTMMU)
|
|
|
|
#if defined (TARGET_I386) && defined(USE_CODE_COPY)
|
|
{
|
|
stack_t stk;
|
|
signal_stack = memalign(16, SIGNAL_STACK_SIZE);
|
|
stk.ss_sp = signal_stack;
|
|
stk.ss_size = SIGNAL_STACK_SIZE;
|
|
stk.ss_flags = 0;
|
|
|
|
if (sigaltstack(&stk, NULL) < 0) {
|
|
perror("sigaltstack");
|
|
exit(1);
|
|
}
|
|
}
|
|
#endif
|
|
{
|
|
struct sigaction act;
|
|
|
|
sigfillset(&act.sa_mask);
|
|
act.sa_flags = SA_SIGINFO;
|
|
#if defined (TARGET_I386) && defined(USE_CODE_COPY)
|
|
act.sa_flags |= SA_ONSTACK;
|
|
#endif
|
|
act.sa_sigaction = host_segv_handler;
|
|
sigaction(SIGSEGV, &act, NULL);
|
|
sigaction(SIGBUS, &act, NULL);
|
|
#if defined (TARGET_I386) && defined(USE_CODE_COPY)
|
|
sigaction(SIGFPE, &act, NULL);
|
|
#endif
|
|
}
|
|
#endif
|
|
|
|
#ifndef _WIN32
|
|
{
|
|
struct sigaction act;
|
|
sigfillset(&act.sa_mask);
|
|
act.sa_flags = 0;
|
|
act.sa_handler = SIG_IGN;
|
|
sigaction(SIGPIPE, &act, NULL);
|
|
}
|
|
#endif
|
|
init_timers();
|
|
|
|
machine->init(ram_size, vga_ram_size, boot_device,
|
|
ds, fd_filename, snapshot,
|
|
kernel_filename, kernel_cmdline, initrd_filename);
|
|
|
|
gui_timer = qemu_new_timer(rt_clock, gui_update, NULL);
|
|
qemu_mod_timer(gui_timer, qemu_get_clock(rt_clock));
|
|
|
|
#ifdef CONFIG_GDBSTUB
|
|
if (use_gdbstub) {
|
|
if (gdbserver_start(gdbstub_port) < 0) {
|
|
fprintf(stderr, "Could not open gdbserver socket on port %d\n",
|
|
gdbstub_port);
|
|
exit(1);
|
|
} else {
|
|
printf("Waiting gdb connection on port %d\n", gdbstub_port);
|
|
}
|
|
} else
|
|
#endif
|
|
if (loadvm)
|
|
qemu_loadvm(loadvm);
|
|
|
|
{
|
|
/* XXX: simplify init */
|
|
read_passwords();
|
|
if (start_emulation) {
|
|
vm_start();
|
|
}
|
|
}
|
|
main_loop();
|
|
quit_timers();
|
|
return 0;
|
|
}
|