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/*
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* QEMU System Emulator
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*
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* Copyright (c) 2003-2008 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 <unistd.h> |
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#include <fcntl.h> |
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#include <signal.h> |
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#include <time.h> |
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#include <errno.h> |
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#include <sys/time.h> |
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#include <zlib.h> |
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/* Needed early for HOST_BSD etc. */
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#include "config-host.h" |
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#ifndef _WIN32
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#include <pwd.h> |
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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/mman.h> |
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#include <sys/ioctl.h> |
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#include <sys/resource.h> |
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#include <sys/socket.h> |
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#include <netinet/in.h> |
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#include <net/if.h> |
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#if defined(__NetBSD__)
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#include <net/if_tap.h> |
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#endif
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#ifdef __linux__
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#include <linux/if_tun.h> |
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#endif
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#include <arpa/inet.h> |
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#include <dirent.h> |
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#include <netdb.h> |
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#include <sys/select.h> |
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#ifdef HOST_BSD
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#include <sys/stat.h> |
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#if defined(__FreeBSD__) || defined(__DragonFly__)
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#include <libutil.h> |
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#else
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#include <util.h> |
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#endif
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#elif defined (__GLIBC__) && defined (__FreeBSD_kernel__)
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#include <freebsd/stdlib.h> |
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#else
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#ifdef __linux__
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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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/* For the benefit of older linux systems which don't supply it,
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we use a local copy of hpet.h. */
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/* #include <linux/hpet.h> */
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#include "hpet.h" |
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#include <linux/ppdev.h> |
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#include <linux/parport.h> |
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#endif
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#ifdef __sun__
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#include <sys/stat.h> |
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#include <sys/ethernet.h> |
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#include <sys/sockio.h> |
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#include <netinet/arp.h> |
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#include <netinet/in.h> |
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#include <netinet/in_systm.h> |
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#include <netinet/ip.h> |
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#include <netinet/ip_icmp.h> // must come after ip.h |
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#include <netinet/udp.h> |
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#include <netinet/tcp.h> |
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#include <net/if.h> |
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#include <syslog.h> |
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#include <stropts.h> |
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#endif
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#endif
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#endif
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#if defined(__OpenBSD__)
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#include <util.h> |
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#endif
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#if defined(CONFIG_VDE)
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#include <libvdeplug.h> |
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#endif
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#ifdef _WIN32
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#include <windows.h> |
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#include <malloc.h> |
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#include <sys/timeb.h> |
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#include <mmsystem.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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int qemu_main(int argc, char **argv, char **envp); |
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int main(int argc, char **argv) |
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{ |
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qemu_main(argc, argv, NULL);
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} |
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#undef main
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#define main qemu_main
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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 "hw/hw.h" |
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#include "hw/boards.h" |
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#include "hw/usb.h" |
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#include "hw/pcmcia.h" |
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#include "hw/pc.h" |
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#include "hw/audiodev.h" |
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#include "hw/isa.h" |
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#include "hw/baum.h" |
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#include "hw/bt.h" |
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#include "hw/smbios.h" |
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#include "bt-host.h" |
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#include "net.h" |
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#include "monitor.h" |
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#include "console.h" |
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#include "sysemu.h" |
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#include "gdbstub.h" |
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#include "qemu-timer.h" |
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#include "qemu-char.h" |
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#include "cache-utils.h" |
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#include "block.h" |
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#include "dma.h" |
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#include "audio/audio.h" |
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#include "migration.h" |
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#include "kvm.h" |
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#include "balloon.h" |
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#include "disas.h" |
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#include "exec-all.h" |
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#include "qemu_socket.h" |
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#if defined(CONFIG_SLIRP)
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#include "libslirp.h" |
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#endif
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//#define DEBUG_UNUSED_IOPORT
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//#define DEBUG_IOPORT
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//#define DEBUG_NET
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//#define DEBUG_SLIRP
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#ifdef DEBUG_IOPORT
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# define LOG_IOPORT(...) qemu_log_mask(CPU_LOG_IOPORT, ## __VA_ARGS__) |
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#else
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# define LOG_IOPORT(...) do { } while (0) |
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#endif
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#define DEFAULT_RAM_SIZE 128 |
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/* Max number of USB devices that can be specified on the commandline. */
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#define MAX_USB_CMDLINE 8 |
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/* Max number of bluetooth switches on the commandline. */
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#define MAX_BT_CMDLINE 10 |
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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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const char *bios_name = NULL; |
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static void *ioport_opaque[MAX_IOPORTS]; |
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static IOPortReadFunc *ioport_read_table[3][MAX_IOPORTS]; |
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static IOPortWriteFunc *ioport_write_table[3][MAX_IOPORTS]; |
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/* Note: drives_table[MAX_DRIVES] is a dummy block driver if none available
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to store the VM snapshots */
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DriveInfo drives_table[MAX_DRIVES+1];
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int nb_drives;
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static int vga_ram_size; |
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enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
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static DisplayState *display_state;
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int nographic;
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static int curses; |
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static int sdl; |
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const char* keyboard_layout = NULL; |
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int64_t ticks_per_sec; |
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ram_addr_t ram_size; |
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int nb_nics;
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NICInfo nd_table[MAX_NICS]; |
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int vm_running;
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static int autostart; |
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static int rtc_utc = 1; |
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static int rtc_date_offset = -1; /* -1 means no change */ |
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int cirrus_vga_enabled = 1; |
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int std_vga_enabled = 0; |
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int vmsvga_enabled = 0; |
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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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int graphic_depth = 8; |
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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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int graphic_depth = 15; |
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#endif
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static int full_screen = 0; |
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#ifdef CONFIG_SDL
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static int no_frame = 0; |
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#endif
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int no_quit = 0; |
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CharDriverState *serial_hds[MAX_SERIAL_PORTS]; |
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CharDriverState *parallel_hds[MAX_PARALLEL_PORTS]; |
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CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES]; |
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#ifdef TARGET_I386
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int win2k_install_hack = 0; |
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int rtc_td_hack = 0; |
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#endif
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int usb_enabled = 0; |
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int singlestep = 0; |
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int smp_cpus = 1; |
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const char *vnc_display; |
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int acpi_enabled = 1; |
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int no_hpet = 0; |
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int fd_bootchk = 1; |
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int no_reboot = 0; |
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int no_shutdown = 0; |
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int cursor_hide = 1; |
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int graphic_rotate = 0; |
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#ifndef _WIN32
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int daemonize = 0; |
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#endif
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const char *option_rom[MAX_OPTION_ROMS]; |
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int nb_option_roms;
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int semihosting_enabled = 0; |
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#ifdef TARGET_ARM
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int old_param = 0; |
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#endif
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const char *qemu_name; |
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int alt_grab = 0; |
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#if defined(TARGET_SPARC) || defined(TARGET_PPC)
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unsigned int nb_prom_envs = 0; |
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const char *prom_envs[MAX_PROM_ENVS]; |
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#endif
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int nb_drives_opt;
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struct drive_opt drives_opt[MAX_DRIVES];
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static CPUState *cur_cpu;
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static CPUState *next_cpu;
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static int event_pending = 1; |
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/* Conversion factor from emulated instructions to virtual clock ticks. */
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static int icount_time_shift; |
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/* Arbitrarily pick 1MIPS as the minimum allowable speed. */
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#define MAX_ICOUNT_SHIFT 10 |
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/* Compensate for varying guest execution speed. */
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static int64_t qemu_icount_bias;
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static QEMUTimer *icount_rt_timer;
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static QEMUTimer *icount_vm_timer;
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static QEMUTimer *nographic_timer;
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uint8_t qemu_uuid[16];
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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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static IOPortReadFunc default_ioport_readb, default_ioport_readw, default_ioport_readl;
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static IOPortWriteFunc default_ioport_writeb, default_ioport_writew, default_ioport_writel;
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static uint32_t ioport_read(int index, uint32_t address) |
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{ |
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static IOPortReadFunc *default_func[3] = { |
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default_ioport_readb, |
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default_ioport_readw, |
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default_ioport_readl |
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}; |
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IOPortReadFunc *func = ioport_read_table[index][address]; |
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if (!func)
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func = default_func[index]; |
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return func(ioport_opaque[address], address);
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} |
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static void ioport_write(int index, uint32_t address, uint32_t data) |
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{ |
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static IOPortWriteFunc *default_func[3] = { |
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default_ioport_writeb, |
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default_ioport_writew, |
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default_ioport_writel |
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}; |
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IOPortWriteFunc *func = ioport_write_table[index][address]; |
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if (!func)
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func = default_func[index]; |
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func(ioport_opaque[address], address, data); |
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} |
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static 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, "unused 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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static 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, "unused 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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static 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(0, address);
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address = (address + 1) & (MAX_IOPORTS - 1); |
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data |= ioport_read(0, address) << 8; |
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return data;
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} |
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static void default_ioport_writew(void *opaque, uint32_t address, uint32_t data) |
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{ |
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ioport_write(0, address, data & 0xff); |
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address = (address + 1) & (MAX_IOPORTS - 1); |
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ioport_write(0, address, (data >> 8) & 0xff); |
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} |
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static 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, "unused 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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static 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, "unused outl: port=0x%04x data=0x%02x\n", address, data);
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#endif
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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; |
408 |
if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque) |
409 |
hw_error("register_ioport_write: invalid opaque");
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ioport_opaque[i] = opaque; |
411 |
} |
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return 0; |
413 |
} |
414 |
|
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void isa_unassign_ioport(int start, int length) |
416 |
{ |
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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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ioport_opaque[i] = NULL;
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} |
430 |
} |
431 |
|
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/***********************************************************/
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|
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void cpu_outb(CPUState *env, int addr, int val) |
435 |
{ |
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LOG_IOPORT("outb: %04x %02x\n", addr, val);
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ioport_write(0, addr, val);
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#ifdef CONFIG_KQEMU
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if (env)
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env->last_io_time = cpu_get_time_fast(); |
441 |
#endif
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} |
443 |
|
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void cpu_outw(CPUState *env, int addr, int val) |
445 |
{ |
446 |
LOG_IOPORT("outw: %04x %04x\n", addr, val);
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ioport_write(1, addr, val);
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#ifdef CONFIG_KQEMU
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if (env)
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env->last_io_time = cpu_get_time_fast(); |
451 |
#endif
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} |
453 |
|
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void cpu_outl(CPUState *env, int addr, int val) |
455 |
{ |
456 |
LOG_IOPORT("outl: %04x %08x\n", addr, val);
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ioport_write(2, addr, val);
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#ifdef CONFIG_KQEMU
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if (env)
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env->last_io_time = cpu_get_time_fast(); |
461 |
#endif
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} |
463 |
|
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int cpu_inb(CPUState *env, int addr) |
465 |
{ |
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int val;
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val = ioport_read(0, addr);
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LOG_IOPORT("inb : %04x %02x\n", addr, val);
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#ifdef CONFIG_KQEMU
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if (env)
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env->last_io_time = cpu_get_time_fast(); |
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#endif
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return val;
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} |
475 |
|
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int cpu_inw(CPUState *env, int addr) |
477 |
{ |
478 |
int val;
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val = ioport_read(1, addr);
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LOG_IOPORT("inw : %04x %04x\n", addr, val);
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#ifdef CONFIG_KQEMU
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if (env)
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env->last_io_time = cpu_get_time_fast(); |
484 |
#endif
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return val;
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} |
487 |
|
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int cpu_inl(CPUState *env, int addr) |
489 |
{ |
490 |
int val;
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val = ioport_read(2, addr);
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LOG_IOPORT("inl : %04x %08x\n", addr, val);
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#ifdef CONFIG_KQEMU
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if (env)
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env->last_io_time = cpu_get_time_fast(); |
496 |
#endif
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return val;
|
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} |
499 |
|
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/***********************************************************/
|
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void hw_error(const char *fmt, ...) |
502 |
{ |
503 |
va_list ap; |
504 |
CPUState *env; |
505 |
|
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va_start(ap, fmt); |
507 |
fprintf(stderr, "qemu: hardware error: ");
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508 |
vfprintf(stderr, fmt, ap); |
509 |
fprintf(stderr, "\n");
|
510 |
for(env = first_cpu; env != NULL; env = env->next_cpu) { |
511 |
fprintf(stderr, "CPU #%d:\n", env->cpu_index);
|
512 |
#ifdef TARGET_I386
|
513 |
cpu_dump_state(env, stderr, fprintf, X86_DUMP_FPU); |
514 |
#else
|
515 |
cpu_dump_state(env, stderr, fprintf, 0);
|
516 |
#endif
|
517 |
} |
518 |
va_end(ap); |
519 |
abort(); |
520 |
} |
521 |
|
522 |
/***************/
|
523 |
/* ballooning */
|
524 |
|
525 |
static QEMUBalloonEvent *qemu_balloon_event;
|
526 |
void *qemu_balloon_event_opaque;
|
527 |
|
528 |
void qemu_add_balloon_handler(QEMUBalloonEvent *func, void *opaque) |
529 |
{ |
530 |
qemu_balloon_event = func; |
531 |
qemu_balloon_event_opaque = opaque; |
532 |
} |
533 |
|
534 |
void qemu_balloon(ram_addr_t target)
|
535 |
{ |
536 |
if (qemu_balloon_event)
|
537 |
qemu_balloon_event(qemu_balloon_event_opaque, target); |
538 |
} |
539 |
|
540 |
ram_addr_t qemu_balloon_status(void)
|
541 |
{ |
542 |
if (qemu_balloon_event)
|
543 |
return qemu_balloon_event(qemu_balloon_event_opaque, 0); |
544 |
return 0; |
545 |
} |
546 |
|
547 |
/***********************************************************/
|
548 |
/* keyboard/mouse */
|
549 |
|
550 |
static QEMUPutKBDEvent *qemu_put_kbd_event;
|
551 |
static void *qemu_put_kbd_event_opaque; |
552 |
static QEMUPutMouseEntry *qemu_put_mouse_event_head;
|
553 |
static QEMUPutMouseEntry *qemu_put_mouse_event_current;
|
554 |
|
555 |
void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque) |
556 |
{ |
557 |
qemu_put_kbd_event_opaque = opaque; |
558 |
qemu_put_kbd_event = func; |
559 |
} |
560 |
|
561 |
QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func, |
562 |
void *opaque, int absolute, |
563 |
const char *name) |
564 |
{ |
565 |
QEMUPutMouseEntry *s, *cursor; |
566 |
|
567 |
s = qemu_mallocz(sizeof(QEMUPutMouseEntry));
|
568 |
|
569 |
s->qemu_put_mouse_event = func; |
570 |
s->qemu_put_mouse_event_opaque = opaque; |
571 |
s->qemu_put_mouse_event_absolute = absolute; |
572 |
s->qemu_put_mouse_event_name = qemu_strdup(name); |
573 |
s->next = NULL;
|
574 |
|
575 |
if (!qemu_put_mouse_event_head) {
|
576 |
qemu_put_mouse_event_head = qemu_put_mouse_event_current = s; |
577 |
return s;
|
578 |
} |
579 |
|
580 |
cursor = qemu_put_mouse_event_head; |
581 |
while (cursor->next != NULL) |
582 |
cursor = cursor->next; |
583 |
|
584 |
cursor->next = s; |
585 |
qemu_put_mouse_event_current = s; |
586 |
|
587 |
return s;
|
588 |
} |
589 |
|
590 |
void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry)
|
591 |
{ |
592 |
QEMUPutMouseEntry *prev = NULL, *cursor;
|
593 |
|
594 |
if (!qemu_put_mouse_event_head || entry == NULL) |
595 |
return;
|
596 |
|
597 |
cursor = qemu_put_mouse_event_head; |
598 |
while (cursor != NULL && cursor != entry) { |
599 |
prev = cursor; |
600 |
cursor = cursor->next; |
601 |
} |
602 |
|
603 |
if (cursor == NULL) // does not exist or list empty |
604 |
return;
|
605 |
else if (prev == NULL) { // entry is head |
606 |
qemu_put_mouse_event_head = cursor->next; |
607 |
if (qemu_put_mouse_event_current == entry)
|
608 |
qemu_put_mouse_event_current = cursor->next; |
609 |
qemu_free(entry->qemu_put_mouse_event_name); |
610 |
qemu_free(entry); |
611 |
return;
|
612 |
} |
613 |
|
614 |
prev->next = entry->next; |
615 |
|
616 |
if (qemu_put_mouse_event_current == entry)
|
617 |
qemu_put_mouse_event_current = prev; |
618 |
|
619 |
qemu_free(entry->qemu_put_mouse_event_name); |
620 |
qemu_free(entry); |
621 |
} |
622 |
|
623 |
void kbd_put_keycode(int keycode) |
624 |
{ |
625 |
if (qemu_put_kbd_event) {
|
626 |
qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode); |
627 |
} |
628 |
} |
629 |
|
630 |
void kbd_mouse_event(int dx, int dy, int dz, int buttons_state) |
631 |
{ |
632 |
QEMUPutMouseEvent *mouse_event; |
633 |
void *mouse_event_opaque;
|
634 |
int width;
|
635 |
|
636 |
if (!qemu_put_mouse_event_current) {
|
637 |
return;
|
638 |
} |
639 |
|
640 |
mouse_event = |
641 |
qemu_put_mouse_event_current->qemu_put_mouse_event; |
642 |
mouse_event_opaque = |
643 |
qemu_put_mouse_event_current->qemu_put_mouse_event_opaque; |
644 |
|
645 |
if (mouse_event) {
|
646 |
if (graphic_rotate) {
|
647 |
if (qemu_put_mouse_event_current->qemu_put_mouse_event_absolute)
|
648 |
width = 0x7fff;
|
649 |
else
|
650 |
width = graphic_width - 1;
|
651 |
mouse_event(mouse_event_opaque, |
652 |
width - dy, dx, dz, buttons_state); |
653 |
} else
|
654 |
mouse_event(mouse_event_opaque, |
655 |
dx, dy, dz, buttons_state); |
656 |
} |
657 |
} |
658 |
|
659 |
int kbd_mouse_is_absolute(void) |
660 |
{ |
661 |
if (!qemu_put_mouse_event_current)
|
662 |
return 0; |
663 |
|
664 |
return qemu_put_mouse_event_current->qemu_put_mouse_event_absolute;
|
665 |
} |
666 |
|
667 |
void do_info_mice(Monitor *mon)
|
668 |
{ |
669 |
QEMUPutMouseEntry *cursor; |
670 |
int index = 0; |
671 |
|
672 |
if (!qemu_put_mouse_event_head) {
|
673 |
monitor_printf(mon, "No mouse devices connected\n");
|
674 |
return;
|
675 |
} |
676 |
|
677 |
monitor_printf(mon, "Mouse devices available:\n");
|
678 |
cursor = qemu_put_mouse_event_head; |
679 |
while (cursor != NULL) { |
680 |
monitor_printf(mon, "%c Mouse #%d: %s\n",
|
681 |
(cursor == qemu_put_mouse_event_current ? '*' : ' '), |
682 |
index, cursor->qemu_put_mouse_event_name); |
683 |
index++; |
684 |
cursor = cursor->next; |
685 |
} |
686 |
} |
687 |
|
688 |
void do_mouse_set(Monitor *mon, int index) |
689 |
{ |
690 |
QEMUPutMouseEntry *cursor; |
691 |
int i = 0; |
692 |
|
693 |
if (!qemu_put_mouse_event_head) {
|
694 |
monitor_printf(mon, "No mouse devices connected\n");
|
695 |
return;
|
696 |
} |
697 |
|
698 |
cursor = qemu_put_mouse_event_head; |
699 |
while (cursor != NULL && index != i) { |
700 |
i++; |
701 |
cursor = cursor->next; |
702 |
} |
703 |
|
704 |
if (cursor != NULL) |
705 |
qemu_put_mouse_event_current = cursor; |
706 |
else
|
707 |
monitor_printf(mon, "Mouse at given index not found\n");
|
708 |
} |
709 |
|
710 |
/* compute with 96 bit intermediate result: (a*b)/c */
|
711 |
uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c) |
712 |
{ |
713 |
union {
|
714 |
uint64_t ll; |
715 |
struct {
|
716 |
#ifdef WORDS_BIGENDIAN
|
717 |
uint32_t high, low; |
718 |
#else
|
719 |
uint32_t low, high; |
720 |
#endif
|
721 |
} l; |
722 |
} u, res; |
723 |
uint64_t rl, rh; |
724 |
|
725 |
u.ll = a; |
726 |
rl = (uint64_t)u.l.low * (uint64_t)b; |
727 |
rh = (uint64_t)u.l.high * (uint64_t)b; |
728 |
rh += (rl >> 32);
|
729 |
res.l.high = rh / c; |
730 |
res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c; |
731 |
return res.ll;
|
732 |
} |
733 |
|
734 |
/***********************************************************/
|
735 |
/* real time host monotonic timer */
|
736 |
|
737 |
#define QEMU_TIMER_BASE 1000000000LL |
738 |
|
739 |
#ifdef WIN32
|
740 |
|
741 |
static int64_t clock_freq;
|
742 |
|
743 |
static void init_get_clock(void) |
744 |
{ |
745 |
LARGE_INTEGER freq; |
746 |
int ret;
|
747 |
ret = QueryPerformanceFrequency(&freq); |
748 |
if (ret == 0) { |
749 |
fprintf(stderr, "Could not calibrate ticks\n");
|
750 |
exit(1);
|
751 |
} |
752 |
clock_freq = freq.QuadPart; |
753 |
} |
754 |
|
755 |
static int64_t get_clock(void) |
756 |
{ |
757 |
LARGE_INTEGER ti; |
758 |
QueryPerformanceCounter(&ti); |
759 |
return muldiv64(ti.QuadPart, QEMU_TIMER_BASE, clock_freq);
|
760 |
} |
761 |
|
762 |
#else
|
763 |
|
764 |
static int use_rt_clock; |
765 |
|
766 |
static void init_get_clock(void) |
767 |
{ |
768 |
use_rt_clock = 0;
|
769 |
#if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000) \ |
770 |
|| defined(__DragonFly__) |
771 |
{ |
772 |
struct timespec ts;
|
773 |
if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0) { |
774 |
use_rt_clock = 1;
|
775 |
} |
776 |
} |
777 |
#endif
|
778 |
} |
779 |
|
780 |
static int64_t get_clock(void) |
781 |
{ |
782 |
#if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000) \ |
783 |
|| defined(__DragonFly__) |
784 |
if (use_rt_clock) {
|
785 |
struct timespec ts;
|
786 |
clock_gettime(CLOCK_MONOTONIC, &ts); |
787 |
return ts.tv_sec * 1000000000LL + ts.tv_nsec; |
788 |
} else
|
789 |
#endif
|
790 |
{ |
791 |
/* XXX: using gettimeofday leads to problems if the date
|
792 |
changes, so it should be avoided. */
|
793 |
struct timeval tv;
|
794 |
gettimeofday(&tv, NULL);
|
795 |
return tv.tv_sec * 1000000000LL + (tv.tv_usec * 1000); |
796 |
} |
797 |
} |
798 |
#endif
|
799 |
|
800 |
/* Return the virtual CPU time, based on the instruction counter. */
|
801 |
static int64_t cpu_get_icount(void) |
802 |
{ |
803 |
int64_t icount; |
804 |
CPUState *env = cpu_single_env;; |
805 |
icount = qemu_icount; |
806 |
if (env) {
|
807 |
if (!can_do_io(env))
|
808 |
fprintf(stderr, "Bad clock read\n");
|
809 |
icount -= (env->icount_decr.u16.low + env->icount_extra); |
810 |
} |
811 |
return qemu_icount_bias + (icount << icount_time_shift);
|
812 |
} |
813 |
|
814 |
/***********************************************************/
|
815 |
/* guest cycle counter */
|
816 |
|
817 |
static int64_t cpu_ticks_prev;
|
818 |
static int64_t cpu_ticks_offset;
|
819 |
static int64_t cpu_clock_offset;
|
820 |
static int cpu_ticks_enabled; |
821 |
|
822 |
/* return the host CPU cycle counter and handle stop/restart */
|
823 |
int64_t cpu_get_ticks(void)
|
824 |
{ |
825 |
if (use_icount) {
|
826 |
return cpu_get_icount();
|
827 |
} |
828 |
if (!cpu_ticks_enabled) {
|
829 |
return cpu_ticks_offset;
|
830 |
} else {
|
831 |
int64_t ticks; |
832 |
ticks = cpu_get_real_ticks(); |
833 |
if (cpu_ticks_prev > ticks) {
|
834 |
/* Note: non increasing ticks may happen if the host uses
|
835 |
software suspend */
|
836 |
cpu_ticks_offset += cpu_ticks_prev - ticks; |
837 |
} |
838 |
cpu_ticks_prev = ticks; |
839 |
return ticks + cpu_ticks_offset;
|
840 |
} |
841 |
} |
842 |
|
843 |
/* return the host CPU monotonic timer and handle stop/restart */
|
844 |
static int64_t cpu_get_clock(void) |
845 |
{ |
846 |
int64_t ti; |
847 |
if (!cpu_ticks_enabled) {
|
848 |
return cpu_clock_offset;
|
849 |
} else {
|
850 |
ti = get_clock(); |
851 |
return ti + cpu_clock_offset;
|
852 |
} |
853 |
} |
854 |
|
855 |
/* enable cpu_get_ticks() */
|
856 |
void cpu_enable_ticks(void) |
857 |
{ |
858 |
if (!cpu_ticks_enabled) {
|
859 |
cpu_ticks_offset -= cpu_get_real_ticks(); |
860 |
cpu_clock_offset -= get_clock(); |
861 |
cpu_ticks_enabled = 1;
|
862 |
} |
863 |
} |
864 |
|
865 |
/* disable cpu_get_ticks() : the clock is stopped. You must not call
|
866 |
cpu_get_ticks() after that. */
|
867 |
void cpu_disable_ticks(void) |
868 |
{ |
869 |
if (cpu_ticks_enabled) {
|
870 |
cpu_ticks_offset = cpu_get_ticks(); |
871 |
cpu_clock_offset = cpu_get_clock(); |
872 |
cpu_ticks_enabled = 0;
|
873 |
} |
874 |
} |
875 |
|
876 |
/***********************************************************/
|
877 |
/* timers */
|
878 |
|
879 |
#define QEMU_TIMER_REALTIME 0 |
880 |
#define QEMU_TIMER_VIRTUAL 1 |
881 |
|
882 |
struct QEMUClock {
|
883 |
int type;
|
884 |
/* XXX: add frequency */
|
885 |
}; |
886 |
|
887 |
struct QEMUTimer {
|
888 |
QEMUClock *clock; |
889 |
int64_t expire_time; |
890 |
QEMUTimerCB *cb; |
891 |
void *opaque;
|
892 |
struct QEMUTimer *next;
|
893 |
}; |
894 |
|
895 |
struct qemu_alarm_timer {
|
896 |
char const *name; |
897 |
unsigned int flags; |
898 |
|
899 |
int (*start)(struct qemu_alarm_timer *t); |
900 |
void (*stop)(struct qemu_alarm_timer *t); |
901 |
void (*rearm)(struct qemu_alarm_timer *t); |
902 |
void *priv;
|
903 |
}; |
904 |
|
905 |
#define ALARM_FLAG_DYNTICKS 0x1 |
906 |
#define ALARM_FLAG_EXPIRED 0x2 |
907 |
|
908 |
static inline int alarm_has_dynticks(struct qemu_alarm_timer *t) |
909 |
{ |
910 |
return t->flags & ALARM_FLAG_DYNTICKS;
|
911 |
} |
912 |
|
913 |
static void qemu_rearm_alarm_timer(struct qemu_alarm_timer *t) |
914 |
{ |
915 |
if (!alarm_has_dynticks(t))
|
916 |
return;
|
917 |
|
918 |
t->rearm(t); |
919 |
} |
920 |
|
921 |
/* TODO: MIN_TIMER_REARM_US should be optimized */
|
922 |
#define MIN_TIMER_REARM_US 250 |
923 |
|
924 |
static struct qemu_alarm_timer *alarm_timer; |
925 |
#ifndef _WIN32
|
926 |
static int alarm_timer_rfd, alarm_timer_wfd; |
927 |
#endif
|
928 |
|
929 |
#ifdef _WIN32
|
930 |
|
931 |
struct qemu_alarm_win32 {
|
932 |
MMRESULT timerId; |
933 |
HANDLE host_alarm; |
934 |
unsigned int period; |
935 |
} alarm_win32_data = {0, NULL, -1}; |
936 |
|
937 |
static int win32_start_timer(struct qemu_alarm_timer *t); |
938 |
static void win32_stop_timer(struct qemu_alarm_timer *t); |
939 |
static void win32_rearm_timer(struct qemu_alarm_timer *t); |
940 |
|
941 |
#else
|
942 |
|
943 |
static int unix_start_timer(struct qemu_alarm_timer *t); |
944 |
static void unix_stop_timer(struct qemu_alarm_timer *t); |
945 |
|
946 |
#ifdef __linux__
|
947 |
|
948 |
static int dynticks_start_timer(struct qemu_alarm_timer *t); |
949 |
static void dynticks_stop_timer(struct qemu_alarm_timer *t); |
950 |
static void dynticks_rearm_timer(struct qemu_alarm_timer *t); |
951 |
|
952 |
static int hpet_start_timer(struct qemu_alarm_timer *t); |
953 |
static void hpet_stop_timer(struct qemu_alarm_timer *t); |
954 |
|
955 |
static int rtc_start_timer(struct qemu_alarm_timer *t); |
956 |
static void rtc_stop_timer(struct qemu_alarm_timer *t); |
957 |
|
958 |
#endif /* __linux__ */ |
959 |
|
960 |
#endif /* _WIN32 */ |
961 |
|
962 |
/* Correlation between real and virtual time is always going to be
|
963 |
fairly approximate, so ignore small variation.
|
964 |
When the guest is idle real and virtual time will be aligned in
|
965 |
the IO wait loop. */
|
966 |
#define ICOUNT_WOBBLE (QEMU_TIMER_BASE / 10) |
967 |
|
968 |
static void icount_adjust(void) |
969 |
{ |
970 |
int64_t cur_time; |
971 |
int64_t cur_icount; |
972 |
int64_t delta; |
973 |
static int64_t last_delta;
|
974 |
/* If the VM is not running, then do nothing. */
|
975 |
if (!vm_running)
|
976 |
return;
|
977 |
|
978 |
cur_time = cpu_get_clock(); |
979 |
cur_icount = qemu_get_clock(vm_clock); |
980 |
delta = cur_icount - cur_time; |
981 |
/* FIXME: This is a very crude algorithm, somewhat prone to oscillation. */
|
982 |
if (delta > 0 |
983 |
&& last_delta + ICOUNT_WOBBLE < delta * 2
|
984 |
&& icount_time_shift > 0) {
|
985 |
/* The guest is getting too far ahead. Slow time down. */
|
986 |
icount_time_shift--; |
987 |
} |
988 |
if (delta < 0 |
989 |
&& last_delta - ICOUNT_WOBBLE > delta * 2
|
990 |
&& icount_time_shift < MAX_ICOUNT_SHIFT) { |
991 |
/* The guest is getting too far behind. Speed time up. */
|
992 |
icount_time_shift++; |
993 |
} |
994 |
last_delta = delta; |
995 |
qemu_icount_bias = cur_icount - (qemu_icount << icount_time_shift); |
996 |
} |
997 |
|
998 |
static void icount_adjust_rt(void * opaque) |
999 |
{ |
1000 |
qemu_mod_timer(icount_rt_timer, |
1001 |
qemu_get_clock(rt_clock) + 1000);
|
1002 |
icount_adjust(); |
1003 |
} |
1004 |
|
1005 |
static void icount_adjust_vm(void * opaque) |
1006 |
{ |
1007 |
qemu_mod_timer(icount_vm_timer, |
1008 |
qemu_get_clock(vm_clock) + QEMU_TIMER_BASE / 10);
|
1009 |
icount_adjust(); |
1010 |
} |
1011 |
|
1012 |
static void init_icount_adjust(void) |
1013 |
{ |
1014 |
/* Have both realtime and virtual time triggers for speed adjustment.
|
1015 |
The realtime trigger catches emulated time passing too slowly,
|
1016 |
the virtual time trigger catches emulated time passing too fast.
|
1017 |
Realtime triggers occur even when idle, so use them less frequently
|
1018 |
than VM triggers. */
|
1019 |
icount_rt_timer = qemu_new_timer(rt_clock, icount_adjust_rt, NULL);
|
1020 |
qemu_mod_timer(icount_rt_timer, |
1021 |
qemu_get_clock(rt_clock) + 1000);
|
1022 |
icount_vm_timer = qemu_new_timer(vm_clock, icount_adjust_vm, NULL);
|
1023 |
qemu_mod_timer(icount_vm_timer, |
1024 |
qemu_get_clock(vm_clock) + QEMU_TIMER_BASE / 10);
|
1025 |
} |
1026 |
|
1027 |
static struct qemu_alarm_timer alarm_timers[] = { |
1028 |
#ifndef _WIN32
|
1029 |
#ifdef __linux__
|
1030 |
{"dynticks", ALARM_FLAG_DYNTICKS, dynticks_start_timer,
|
1031 |
dynticks_stop_timer, dynticks_rearm_timer, NULL},
|
1032 |
/* HPET - if available - is preferred */
|
1033 |
{"hpet", 0, hpet_start_timer, hpet_stop_timer, NULL, NULL}, |
1034 |
/* ...otherwise try RTC */
|
1035 |
{"rtc", 0, rtc_start_timer, rtc_stop_timer, NULL, NULL}, |
1036 |
#endif
|
1037 |
{"unix", 0, unix_start_timer, unix_stop_timer, NULL, NULL}, |
1038 |
#else
|
1039 |
{"dynticks", ALARM_FLAG_DYNTICKS, win32_start_timer,
|
1040 |
win32_stop_timer, win32_rearm_timer, &alarm_win32_data}, |
1041 |
{"win32", 0, win32_start_timer, |
1042 |
win32_stop_timer, NULL, &alarm_win32_data},
|
1043 |
#endif
|
1044 |
{NULL, }
|
1045 |
}; |
1046 |
|
1047 |
static void show_available_alarms(void) |
1048 |
{ |
1049 |
int i;
|
1050 |
|
1051 |
printf("Available alarm timers, in order of precedence:\n");
|
1052 |
for (i = 0; alarm_timers[i].name; i++) |
1053 |
printf("%s\n", alarm_timers[i].name);
|
1054 |
} |
1055 |
|
1056 |
static void configure_alarms(char const *opt) |
1057 |
{ |
1058 |
int i;
|
1059 |
int cur = 0; |
1060 |
int count = ARRAY_SIZE(alarm_timers) - 1; |
1061 |
char *arg;
|
1062 |
char *name;
|
1063 |
struct qemu_alarm_timer tmp;
|
1064 |
|
1065 |
if (!strcmp(opt, "?")) { |
1066 |
show_available_alarms(); |
1067 |
exit(0);
|
1068 |
} |
1069 |
|
1070 |
arg = strdup(opt); |
1071 |
|
1072 |
/* Reorder the array */
|
1073 |
name = strtok(arg, ",");
|
1074 |
while (name) {
|
1075 |
for (i = 0; i < count && alarm_timers[i].name; i++) { |
1076 |
if (!strcmp(alarm_timers[i].name, name))
|
1077 |
break;
|
1078 |
} |
1079 |
|
1080 |
if (i == count) {
|
1081 |
fprintf(stderr, "Unknown clock %s\n", name);
|
1082 |
goto next;
|
1083 |
} |
1084 |
|
1085 |
if (i < cur)
|
1086 |
/* Ignore */
|
1087 |
goto next;
|
1088 |
|
1089 |
/* Swap */
|
1090 |
tmp = alarm_timers[i]; |
1091 |
alarm_timers[i] = alarm_timers[cur]; |
1092 |
alarm_timers[cur] = tmp; |
1093 |
|
1094 |
cur++; |
1095 |
next:
|
1096 |
name = strtok(NULL, ","); |
1097 |
} |
1098 |
|
1099 |
free(arg); |
1100 |
|
1101 |
if (cur) {
|
1102 |
/* Disable remaining timers */
|
1103 |
for (i = cur; i < count; i++)
|
1104 |
alarm_timers[i].name = NULL;
|
1105 |
} else {
|
1106 |
show_available_alarms(); |
1107 |
exit(1);
|
1108 |
} |
1109 |
} |
1110 |
|
1111 |
QEMUClock *rt_clock; |
1112 |
QEMUClock *vm_clock; |
1113 |
|
1114 |
static QEMUTimer *active_timers[2]; |
1115 |
|
1116 |
static QEMUClock *qemu_new_clock(int type) |
1117 |
{ |
1118 |
QEMUClock *clock; |
1119 |
clock = qemu_mallocz(sizeof(QEMUClock));
|
1120 |
clock->type = type; |
1121 |
return clock;
|
1122 |
} |
1123 |
|
1124 |
QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque)
|
1125 |
{ |
1126 |
QEMUTimer *ts; |
1127 |
|
1128 |
ts = qemu_mallocz(sizeof(QEMUTimer));
|
1129 |
ts->clock = clock; |
1130 |
ts->cb = cb; |
1131 |
ts->opaque = opaque; |
1132 |
return ts;
|
1133 |
} |
1134 |
|
1135 |
void qemu_free_timer(QEMUTimer *ts)
|
1136 |
{ |
1137 |
qemu_free(ts); |
1138 |
} |
1139 |
|
1140 |
/* stop a timer, but do not dealloc it */
|
1141 |
void qemu_del_timer(QEMUTimer *ts)
|
1142 |
{ |
1143 |
QEMUTimer **pt, *t; |
1144 |
|
1145 |
/* NOTE: this code must be signal safe because
|
1146 |
qemu_timer_expired() can be called from a signal. */
|
1147 |
pt = &active_timers[ts->clock->type]; |
1148 |
for(;;) {
|
1149 |
t = *pt; |
1150 |
if (!t)
|
1151 |
break;
|
1152 |
if (t == ts) {
|
1153 |
*pt = t->next; |
1154 |
break;
|
1155 |
} |
1156 |
pt = &t->next; |
1157 |
} |
1158 |
} |
1159 |
|
1160 |
/* modify the current timer so that it will be fired when current_time
|
1161 |
>= expire_time. The corresponding callback will be called. */
|
1162 |
void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time)
|
1163 |
{ |
1164 |
QEMUTimer **pt, *t; |
1165 |
|
1166 |
qemu_del_timer(ts); |
1167 |
|
1168 |
/* add the timer in the sorted list */
|
1169 |
/* NOTE: this code must be signal safe because
|
1170 |
qemu_timer_expired() can be called from a signal. */
|
1171 |
pt = &active_timers[ts->clock->type]; |
1172 |
for(;;) {
|
1173 |
t = *pt; |
1174 |
if (!t)
|
1175 |
break;
|
1176 |
if (t->expire_time > expire_time)
|
1177 |
break;
|
1178 |
pt = &t->next; |
1179 |
} |
1180 |
ts->expire_time = expire_time; |
1181 |
ts->next = *pt; |
1182 |
*pt = ts; |
1183 |
|
1184 |
/* Rearm if necessary */
|
1185 |
if (pt == &active_timers[ts->clock->type]) {
|
1186 |
if ((alarm_timer->flags & ALARM_FLAG_EXPIRED) == 0) { |
1187 |
qemu_rearm_alarm_timer(alarm_timer); |
1188 |
} |
1189 |
/* Interrupt execution to force deadline recalculation. */
|
1190 |
if (use_icount && cpu_single_env) {
|
1191 |
cpu_exit(cpu_single_env); |
1192 |
} |
1193 |
} |
1194 |
} |
1195 |
|
1196 |
int qemu_timer_pending(QEMUTimer *ts)
|
1197 |
{ |
1198 |
QEMUTimer *t; |
1199 |
for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) { |
1200 |
if (t == ts)
|
1201 |
return 1; |
1202 |
} |
1203 |
return 0; |
1204 |
} |
1205 |
|
1206 |
static inline int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time) |
1207 |
{ |
1208 |
if (!timer_head)
|
1209 |
return 0; |
1210 |
return (timer_head->expire_time <= current_time);
|
1211 |
} |
1212 |
|
1213 |
static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time) |
1214 |
{ |
1215 |
QEMUTimer *ts; |
1216 |
|
1217 |
for(;;) {
|
1218 |
ts = *ptimer_head; |
1219 |
if (!ts || ts->expire_time > current_time)
|
1220 |
break;
|
1221 |
/* remove timer from the list before calling the callback */
|
1222 |
*ptimer_head = ts->next; |
1223 |
ts->next = NULL;
|
1224 |
|
1225 |
/* run the callback (the timer list can be modified) */
|
1226 |
ts->cb(ts->opaque); |
1227 |
} |
1228 |
} |
1229 |
|
1230 |
int64_t qemu_get_clock(QEMUClock *clock) |
1231 |
{ |
1232 |
switch(clock->type) {
|
1233 |
case QEMU_TIMER_REALTIME:
|
1234 |
return get_clock() / 1000000; |
1235 |
default:
|
1236 |
case QEMU_TIMER_VIRTUAL:
|
1237 |
if (use_icount) {
|
1238 |
return cpu_get_icount();
|
1239 |
} else {
|
1240 |
return cpu_get_clock();
|
1241 |
} |
1242 |
} |
1243 |
} |
1244 |
|
1245 |
static void init_timers(void) |
1246 |
{ |
1247 |
init_get_clock(); |
1248 |
ticks_per_sec = QEMU_TIMER_BASE; |
1249 |
rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME); |
1250 |
vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL); |
1251 |
} |
1252 |
|
1253 |
/* save a timer */
|
1254 |
void qemu_put_timer(QEMUFile *f, QEMUTimer *ts)
|
1255 |
{ |
1256 |
uint64_t expire_time; |
1257 |
|
1258 |
if (qemu_timer_pending(ts)) {
|
1259 |
expire_time = ts->expire_time; |
1260 |
} else {
|
1261 |
expire_time = -1;
|
1262 |
} |
1263 |
qemu_put_be64(f, expire_time); |
1264 |
} |
1265 |
|
1266 |
void qemu_get_timer(QEMUFile *f, QEMUTimer *ts)
|
1267 |
{ |
1268 |
uint64_t expire_time; |
1269 |
|
1270 |
expire_time = qemu_get_be64(f); |
1271 |
if (expire_time != -1) { |
1272 |
qemu_mod_timer(ts, expire_time); |
1273 |
} else {
|
1274 |
qemu_del_timer(ts); |
1275 |
} |
1276 |
} |
1277 |
|
1278 |
static void timer_save(QEMUFile *f, void *opaque) |
1279 |
{ |
1280 |
if (cpu_ticks_enabled) {
|
1281 |
hw_error("cannot save state if virtual timers are running");
|
1282 |
} |
1283 |
qemu_put_be64(f, cpu_ticks_offset); |
1284 |
qemu_put_be64(f, ticks_per_sec); |
1285 |
qemu_put_be64(f, cpu_clock_offset); |
1286 |
} |
1287 |
|
1288 |
static int timer_load(QEMUFile *f, void *opaque, int version_id) |
1289 |
{ |
1290 |
if (version_id != 1 && version_id != 2) |
1291 |
return -EINVAL;
|
1292 |
if (cpu_ticks_enabled) {
|
1293 |
return -EINVAL;
|
1294 |
} |
1295 |
cpu_ticks_offset=qemu_get_be64(f); |
1296 |
ticks_per_sec=qemu_get_be64(f); |
1297 |
if (version_id == 2) { |
1298 |
cpu_clock_offset=qemu_get_be64(f); |
1299 |
} |
1300 |
return 0; |
1301 |
} |
1302 |
|
1303 |
#ifdef _WIN32
|
1304 |
static void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg, |
1305 |
DWORD_PTR dwUser, DWORD_PTR dw1, |
1306 |
DWORD_PTR dw2) |
1307 |
#else
|
1308 |
static void host_alarm_handler(int host_signum) |
1309 |
#endif
|
1310 |
{ |
1311 |
#if 0
|
1312 |
#define DISP_FREQ 1000
|
1313 |
{
|
1314 |
static int64_t delta_min = INT64_MAX;
|
1315 |
static int64_t delta_max, delta_cum, last_clock, delta, ti;
|
1316 |
static int count;
|
1317 |
ti = qemu_get_clock(vm_clock);
|
1318 |
if (last_clock != 0) {
|
1319 |
delta = ti - last_clock;
|
1320 |
if (delta < delta_min)
|
1321 |
delta_min = delta;
|
1322 |
if (delta > delta_max)
|
1323 |
delta_max = delta;
|
1324 |
delta_cum += delta;
|
1325 |
if (++count == DISP_FREQ) {
|
1326 |
printf("timer: min=%" PRId64 " us max=%" PRId64 " us avg=%" PRId64 " us avg_freq=%0.3f Hz\n",
|
1327 |
muldiv64(delta_min, 1000000, ticks_per_sec),
|
1328 |
muldiv64(delta_max, 1000000, ticks_per_sec),
|
1329 |
muldiv64(delta_cum, 1000000 / DISP_FREQ, ticks_per_sec),
|
1330 |
(double)ticks_per_sec / ((double)delta_cum / DISP_FREQ));
|
1331 |
count = 0;
|
1332 |
delta_min = INT64_MAX;
|
1333 |
delta_max = 0;
|
1334 |
delta_cum = 0;
|
1335 |
}
|
1336 |
}
|
1337 |
last_clock = ti;
|
1338 |
}
|
1339 |
#endif
|
1340 |
if (alarm_has_dynticks(alarm_timer) ||
|
1341 |
(!use_icount && |
1342 |
qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL], |
1343 |
qemu_get_clock(vm_clock))) || |
1344 |
qemu_timer_expired(active_timers[QEMU_TIMER_REALTIME], |
1345 |
qemu_get_clock(rt_clock))) { |
1346 |
CPUState *env = next_cpu; |
1347 |
|
1348 |
#ifdef _WIN32
|
1349 |
struct qemu_alarm_win32 *data = ((struct qemu_alarm_timer*)dwUser)->priv; |
1350 |
SetEvent(data->host_alarm); |
1351 |
#else
|
1352 |
static const char byte = 0; |
1353 |
write(alarm_timer_wfd, &byte, sizeof(byte));
|
1354 |
#endif
|
1355 |
alarm_timer->flags |= ALARM_FLAG_EXPIRED; |
1356 |
|
1357 |
if (env) {
|
1358 |
/* stop the currently executing cpu because a timer occured */
|
1359 |
cpu_exit(env); |
1360 |
#ifdef CONFIG_KQEMU
|
1361 |
if (env->kqemu_enabled) {
|
1362 |
kqemu_cpu_interrupt(env); |
1363 |
} |
1364 |
#endif
|
1365 |
} |
1366 |
event_pending = 1;
|
1367 |
} |
1368 |
} |
1369 |
|
1370 |
static int64_t qemu_next_deadline(void) |
1371 |
{ |
1372 |
int64_t delta; |
1373 |
|
1374 |
if (active_timers[QEMU_TIMER_VIRTUAL]) {
|
1375 |
delta = active_timers[QEMU_TIMER_VIRTUAL]->expire_time - |
1376 |
qemu_get_clock(vm_clock); |
1377 |
} else {
|
1378 |
/* To avoid problems with overflow limit this to 2^32. */
|
1379 |
delta = INT32_MAX; |
1380 |
} |
1381 |
|
1382 |
if (delta < 0) |
1383 |
delta = 0;
|
1384 |
|
1385 |
return delta;
|
1386 |
} |
1387 |
|
1388 |
#if defined(__linux__) || defined(_WIN32)
|
1389 |
static uint64_t qemu_next_deadline_dyntick(void) |
1390 |
{ |
1391 |
int64_t delta; |
1392 |
int64_t rtdelta; |
1393 |
|
1394 |
if (use_icount)
|
1395 |
delta = INT32_MAX; |
1396 |
else
|
1397 |
delta = (qemu_next_deadline() + 999) / 1000; |
1398 |
|
1399 |
if (active_timers[QEMU_TIMER_REALTIME]) {
|
1400 |
rtdelta = (active_timers[QEMU_TIMER_REALTIME]->expire_time - |
1401 |
qemu_get_clock(rt_clock))*1000;
|
1402 |
if (rtdelta < delta)
|
1403 |
delta = rtdelta; |
1404 |
} |
1405 |
|
1406 |
if (delta < MIN_TIMER_REARM_US)
|
1407 |
delta = MIN_TIMER_REARM_US; |
1408 |
|
1409 |
return delta;
|
1410 |
} |
1411 |
#endif
|
1412 |
|
1413 |
#ifndef _WIN32
|
1414 |
|
1415 |
/* Sets a specific flag */
|
1416 |
static int fcntl_setfl(int fd, int flag) |
1417 |
{ |
1418 |
int flags;
|
1419 |
|
1420 |
flags = fcntl(fd, F_GETFL); |
1421 |
if (flags == -1) |
1422 |
return -errno;
|
1423 |
|
1424 |
if (fcntl(fd, F_SETFL, flags | flag) == -1) |
1425 |
return -errno;
|
1426 |
|
1427 |
return 0; |
1428 |
} |
1429 |
|
1430 |
#if defined(__linux__)
|
1431 |
|
1432 |
#define RTC_FREQ 1024 |
1433 |
|
1434 |
static void enable_sigio_timer(int fd) |
1435 |
{ |
1436 |
struct sigaction act;
|
1437 |
|
1438 |
/* timer signal */
|
1439 |
sigfillset(&act.sa_mask); |
1440 |
act.sa_flags = 0;
|
1441 |
act.sa_handler = host_alarm_handler; |
1442 |
|
1443 |
sigaction(SIGIO, &act, NULL);
|
1444 |
fcntl_setfl(fd, O_ASYNC); |
1445 |
fcntl(fd, F_SETOWN, getpid()); |
1446 |
} |
1447 |
|
1448 |
static int hpet_start_timer(struct qemu_alarm_timer *t) |
1449 |
{ |
1450 |
struct hpet_info info;
|
1451 |
int r, fd;
|
1452 |
|
1453 |
fd = open("/dev/hpet", O_RDONLY);
|
1454 |
if (fd < 0) |
1455 |
return -1; |
1456 |
|
1457 |
/* Set frequency */
|
1458 |
r = ioctl(fd, HPET_IRQFREQ, RTC_FREQ); |
1459 |
if (r < 0) { |
1460 |
fprintf(stderr, "Could not configure '/dev/hpet' to have a 1024Hz timer. This is not a fatal\n"
|
1461 |
"error, but for better emulation accuracy type:\n"
|
1462 |
"'echo 1024 > /proc/sys/dev/hpet/max-user-freq' as root.\n");
|
1463 |
goto fail;
|
1464 |
} |
1465 |
|
1466 |
/* Check capabilities */
|
1467 |
r = ioctl(fd, HPET_INFO, &info); |
1468 |
if (r < 0) |
1469 |
goto fail;
|
1470 |
|
1471 |
/* Enable periodic mode */
|
1472 |
r = ioctl(fd, HPET_EPI, 0);
|
1473 |
if (info.hi_flags && (r < 0)) |
1474 |
goto fail;
|
1475 |
|
1476 |
/* Enable interrupt */
|
1477 |
r = ioctl(fd, HPET_IE_ON, 0);
|
1478 |
if (r < 0) |
1479 |
goto fail;
|
1480 |
|
1481 |
enable_sigio_timer(fd); |
1482 |
t->priv = (void *)(long)fd; |
1483 |
|
1484 |
return 0; |
1485 |
fail:
|
1486 |
close(fd); |
1487 |
return -1; |
1488 |
} |
1489 |
|
1490 |
static void hpet_stop_timer(struct qemu_alarm_timer *t) |
1491 |
{ |
1492 |
int fd = (long)t->priv; |
1493 |
|
1494 |
close(fd); |
1495 |
} |
1496 |
|
1497 |
static int rtc_start_timer(struct qemu_alarm_timer *t) |
1498 |
{ |
1499 |
int rtc_fd;
|
1500 |
unsigned long current_rtc_freq = 0; |
1501 |
|
1502 |
TFR(rtc_fd = open("/dev/rtc", O_RDONLY));
|
1503 |
if (rtc_fd < 0) |
1504 |
return -1; |
1505 |
ioctl(rtc_fd, RTC_IRQP_READ, ¤t_rtc_freq); |
1506 |
if (current_rtc_freq != RTC_FREQ &&
|
1507 |
ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) {
|
1508 |
fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n"
|
1509 |
"error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n"
|
1510 |
"type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n");
|
1511 |
goto fail;
|
1512 |
} |
1513 |
if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) { |
1514 |
fail:
|
1515 |
close(rtc_fd); |
1516 |
return -1; |
1517 |
} |
1518 |
|
1519 |
enable_sigio_timer(rtc_fd); |
1520 |
|
1521 |
t->priv = (void *)(long)rtc_fd; |
1522 |
|
1523 |
return 0; |
1524 |
} |
1525 |
|
1526 |
static void rtc_stop_timer(struct qemu_alarm_timer *t) |
1527 |
{ |
1528 |
int rtc_fd = (long)t->priv; |
1529 |
|
1530 |
close(rtc_fd); |
1531 |
} |
1532 |
|
1533 |
static int dynticks_start_timer(struct qemu_alarm_timer *t) |
1534 |
{ |
1535 |
struct sigevent ev;
|
1536 |
timer_t host_timer; |
1537 |
struct sigaction act;
|
1538 |
|
1539 |
sigfillset(&act.sa_mask); |
1540 |
act.sa_flags = 0;
|
1541 |
act.sa_handler = host_alarm_handler; |
1542 |
|
1543 |
sigaction(SIGALRM, &act, NULL);
|
1544 |
|
1545 |
ev.sigev_value.sival_int = 0;
|
1546 |
ev.sigev_notify = SIGEV_SIGNAL; |
1547 |
ev.sigev_signo = SIGALRM; |
1548 |
|
1549 |
if (timer_create(CLOCK_REALTIME, &ev, &host_timer)) {
|
1550 |
perror("timer_create");
|
1551 |
|
1552 |
/* disable dynticks */
|
1553 |
fprintf(stderr, "Dynamic Ticks disabled\n");
|
1554 |
|
1555 |
return -1; |
1556 |
} |
1557 |
|
1558 |
t->priv = (void *)(long)host_timer; |
1559 |
|
1560 |
return 0; |
1561 |
} |
1562 |
|
1563 |
static void dynticks_stop_timer(struct qemu_alarm_timer *t) |
1564 |
{ |
1565 |
timer_t host_timer = (timer_t)(long)t->priv;
|
1566 |
|
1567 |
timer_delete(host_timer); |
1568 |
} |
1569 |
|
1570 |
static void dynticks_rearm_timer(struct qemu_alarm_timer *t) |
1571 |
{ |
1572 |
timer_t host_timer = (timer_t)(long)t->priv;
|
1573 |
struct itimerspec timeout;
|
1574 |
int64_t nearest_delta_us = INT64_MAX; |
1575 |
int64_t current_us; |
1576 |
|
1577 |
if (!active_timers[QEMU_TIMER_REALTIME] &&
|
1578 |
!active_timers[QEMU_TIMER_VIRTUAL]) |
1579 |
return;
|
1580 |
|
1581 |
nearest_delta_us = qemu_next_deadline_dyntick(); |
1582 |
|
1583 |
/* check whether a timer is already running */
|
1584 |
if (timer_gettime(host_timer, &timeout)) {
|
1585 |
perror("gettime");
|
1586 |
fprintf(stderr, "Internal timer error: aborting\n");
|
1587 |
exit(1);
|
1588 |
} |
1589 |
current_us = timeout.it_value.tv_sec * 1000000 + timeout.it_value.tv_nsec/1000; |
1590 |
if (current_us && current_us <= nearest_delta_us)
|
1591 |
return;
|
1592 |
|
1593 |
timeout.it_interval.tv_sec = 0;
|
1594 |
timeout.it_interval.tv_nsec = 0; /* 0 for one-shot timer */ |
1595 |
timeout.it_value.tv_sec = nearest_delta_us / 1000000;
|
1596 |
timeout.it_value.tv_nsec = (nearest_delta_us % 1000000) * 1000; |
1597 |
if (timer_settime(host_timer, 0 /* RELATIVE */, &timeout, NULL)) { |
1598 |
perror("settime");
|
1599 |
fprintf(stderr, "Internal timer error: aborting\n");
|
1600 |
exit(1);
|
1601 |
} |
1602 |
} |
1603 |
|
1604 |
#endif /* defined(__linux__) */ |
1605 |
|
1606 |
static int unix_start_timer(struct qemu_alarm_timer *t) |
1607 |
{ |
1608 |
struct sigaction act;
|
1609 |
struct itimerval itv;
|
1610 |
int err;
|
1611 |
|
1612 |
/* timer signal */
|
1613 |
sigfillset(&act.sa_mask); |
1614 |
act.sa_flags = 0;
|
1615 |
act.sa_handler = host_alarm_handler; |
1616 |
|
1617 |
sigaction(SIGALRM, &act, NULL);
|
1618 |
|
1619 |
itv.it_interval.tv_sec = 0;
|
1620 |
/* for i386 kernel 2.6 to get 1 ms */
|
1621 |
itv.it_interval.tv_usec = 999;
|
1622 |
itv.it_value.tv_sec = 0;
|
1623 |
itv.it_value.tv_usec = 10 * 1000; |
1624 |
|
1625 |
err = setitimer(ITIMER_REAL, &itv, NULL);
|
1626 |
if (err)
|
1627 |
return -1; |
1628 |
|
1629 |
return 0; |
1630 |
} |
1631 |
|
1632 |
static void unix_stop_timer(struct qemu_alarm_timer *t) |
1633 |
{ |
1634 |
struct itimerval itv;
|
1635 |
|
1636 |
memset(&itv, 0, sizeof(itv)); |
1637 |
setitimer(ITIMER_REAL, &itv, NULL);
|
1638 |
} |
1639 |
|
1640 |
#endif /* !defined(_WIN32) */ |
1641 |
|
1642 |
static void try_to_rearm_timer(void *opaque) |
1643 |
{ |
1644 |
struct qemu_alarm_timer *t = opaque;
|
1645 |
#ifndef _WIN32
|
1646 |
ssize_t len; |
1647 |
|
1648 |
/* Drain the notify pipe */
|
1649 |
do {
|
1650 |
char buffer[512]; |
1651 |
len = read(alarm_timer_rfd, buffer, sizeof(buffer));
|
1652 |
} while ((len == -1 && errno == EINTR) || len > 0); |
1653 |
#endif
|
1654 |
|
1655 |
if (t->flags & ALARM_FLAG_EXPIRED) {
|
1656 |
alarm_timer->flags &= ~ALARM_FLAG_EXPIRED; |
1657 |
qemu_rearm_alarm_timer(alarm_timer); |
1658 |
} |
1659 |
} |
1660 |
|
1661 |
#ifdef _WIN32
|
1662 |
|
1663 |
static int win32_start_timer(struct qemu_alarm_timer *t) |
1664 |
{ |
1665 |
TIMECAPS tc; |
1666 |
struct qemu_alarm_win32 *data = t->priv;
|
1667 |
UINT flags; |
1668 |
|
1669 |
data->host_alarm = CreateEvent(NULL, FALSE, FALSE, NULL); |
1670 |
if (!data->host_alarm) {
|
1671 |
perror("Failed CreateEvent");
|
1672 |
return -1; |
1673 |
} |
1674 |
|
1675 |
memset(&tc, 0, sizeof(tc)); |
1676 |
timeGetDevCaps(&tc, sizeof(tc));
|
1677 |
|
1678 |
if (data->period < tc.wPeriodMin)
|
1679 |
data->period = tc.wPeriodMin; |
1680 |
|
1681 |
timeBeginPeriod(data->period); |
1682 |
|
1683 |
flags = TIME_CALLBACK_FUNCTION; |
1684 |
if (alarm_has_dynticks(t))
|
1685 |
flags |= TIME_ONESHOT; |
1686 |
else
|
1687 |
flags |= TIME_PERIODIC; |
1688 |
|
1689 |
data->timerId = timeSetEvent(1, // interval (ms) |
1690 |
data->period, // resolution
|
1691 |
host_alarm_handler, // function
|
1692 |
(DWORD)t, // parameter
|
1693 |
flags); |
1694 |
|
1695 |
if (!data->timerId) {
|
1696 |
perror("Failed to initialize win32 alarm timer");
|
1697 |
|
1698 |
timeEndPeriod(data->period); |
1699 |
CloseHandle(data->host_alarm); |
1700 |
return -1; |
1701 |
} |
1702 |
|
1703 |
qemu_add_wait_object(data->host_alarm, try_to_rearm_timer, t); |
1704 |
|
1705 |
return 0; |
1706 |
} |
1707 |
|
1708 |
static void win32_stop_timer(struct qemu_alarm_timer *t) |
1709 |
{ |
1710 |
struct qemu_alarm_win32 *data = t->priv;
|
1711 |
|
1712 |
timeKillEvent(data->timerId); |
1713 |
timeEndPeriod(data->period); |
1714 |
|
1715 |
CloseHandle(data->host_alarm); |
1716 |
} |
1717 |
|
1718 |
static void win32_rearm_timer(struct qemu_alarm_timer *t) |
1719 |
{ |
1720 |
struct qemu_alarm_win32 *data = t->priv;
|
1721 |
uint64_t nearest_delta_us; |
1722 |
|
1723 |
if (!active_timers[QEMU_TIMER_REALTIME] &&
|
1724 |
!active_timers[QEMU_TIMER_VIRTUAL]) |
1725 |
return;
|
1726 |
|
1727 |
nearest_delta_us = qemu_next_deadline_dyntick(); |
1728 |
nearest_delta_us /= 1000;
|
1729 |
|
1730 |
timeKillEvent(data->timerId); |
1731 |
|
1732 |
data->timerId = timeSetEvent(1,
|
1733 |
data->period, |
1734 |
host_alarm_handler, |
1735 |
(DWORD)t, |
1736 |
TIME_ONESHOT | TIME_PERIODIC); |
1737 |
|
1738 |
if (!data->timerId) {
|
1739 |
perror("Failed to re-arm win32 alarm timer");
|
1740 |
|
1741 |
timeEndPeriod(data->period); |
1742 |
CloseHandle(data->host_alarm); |
1743 |
exit(1);
|
1744 |
} |
1745 |
} |
1746 |
|
1747 |
#endif /* _WIN32 */ |
1748 |
|
1749 |
static int init_timer_alarm(void) |
1750 |
{ |
1751 |
struct qemu_alarm_timer *t = NULL; |
1752 |
int i, err = -1; |
1753 |
|
1754 |
#ifndef _WIN32
|
1755 |
int fds[2]; |
1756 |
|
1757 |
err = pipe(fds); |
1758 |
if (err == -1) |
1759 |
return -errno;
|
1760 |
|
1761 |
err = fcntl_setfl(fds[0], O_NONBLOCK);
|
1762 |
if (err < 0) |
1763 |
goto fail;
|
1764 |
|
1765 |
err = fcntl_setfl(fds[1], O_NONBLOCK);
|
1766 |
if (err < 0) |
1767 |
goto fail;
|
1768 |
|
1769 |
alarm_timer_rfd = fds[0];
|
1770 |
alarm_timer_wfd = fds[1];
|
1771 |
#endif
|
1772 |
|
1773 |
for (i = 0; alarm_timers[i].name; i++) { |
1774 |
t = &alarm_timers[i]; |
1775 |
|
1776 |
err = t->start(t); |
1777 |
if (!err)
|
1778 |
break;
|
1779 |
} |
1780 |
|
1781 |
if (err) {
|
1782 |
err = -ENOENT; |
1783 |
goto fail;
|
1784 |
} |
1785 |
|
1786 |
#ifndef _WIN32
|
1787 |
qemu_set_fd_handler2(alarm_timer_rfd, NULL,
|
1788 |
try_to_rearm_timer, NULL, t);
|
1789 |
#endif
|
1790 |
|
1791 |
alarm_timer = t; |
1792 |
|
1793 |
return 0; |
1794 |
|
1795 |
fail:
|
1796 |
#ifndef _WIN32
|
1797 |
close(fds[0]);
|
1798 |
close(fds[1]);
|
1799 |
#endif
|
1800 |
return err;
|
1801 |
} |
1802 |
|
1803 |
static void quit_timers(void) |
1804 |
{ |
1805 |
alarm_timer->stop(alarm_timer); |
1806 |
alarm_timer = NULL;
|
1807 |
} |
1808 |
|
1809 |
/***********************************************************/
|
1810 |
/* host time/date access */
|
1811 |
void qemu_get_timedate(struct tm *tm, int offset) |
1812 |
{ |
1813 |
time_t ti; |
1814 |
struct tm *ret;
|
1815 |
|
1816 |
time(&ti); |
1817 |
ti += offset; |
1818 |
if (rtc_date_offset == -1) { |
1819 |
if (rtc_utc)
|
1820 |
ret = gmtime(&ti); |
1821 |
else
|
1822 |
ret = localtime(&ti); |
1823 |
} else {
|
1824 |
ti -= rtc_date_offset; |
1825 |
ret = gmtime(&ti); |
1826 |
} |
1827 |
|
1828 |
memcpy(tm, ret, sizeof(struct tm)); |
1829 |
} |
1830 |
|
1831 |
int qemu_timedate_diff(struct tm *tm) |
1832 |
{ |
1833 |
time_t seconds; |
1834 |
|
1835 |
if (rtc_date_offset == -1) |
1836 |
if (rtc_utc)
|
1837 |
seconds = mktimegm(tm); |
1838 |
else
|
1839 |
seconds = mktime(tm); |
1840 |
else
|
1841 |
seconds = mktimegm(tm) + rtc_date_offset; |
1842 |
|
1843 |
return seconds - time(NULL); |
1844 |
} |
1845 |
|
1846 |
#ifdef _WIN32
|
1847 |
static void socket_cleanup(void) |
1848 |
{ |
1849 |
WSACleanup(); |
1850 |
} |
1851 |
|
1852 |
static int socket_init(void) |
1853 |
{ |
1854 |
WSADATA Data; |
1855 |
int ret, err;
|
1856 |
|
1857 |
ret = WSAStartup(MAKEWORD(2,2), &Data); |
1858 |
if (ret != 0) { |
1859 |
err = WSAGetLastError(); |
1860 |
fprintf(stderr, "WSAStartup: %d\n", err);
|
1861 |
return -1; |
1862 |
} |
1863 |
atexit(socket_cleanup); |
1864 |
return 0; |
1865 |
} |
1866 |
#endif
|
1867 |
|
1868 |
const char *get_opt_name(char *buf, int buf_size, const char *p) |
1869 |
{ |
1870 |
char *q;
|
1871 |
|
1872 |
q = buf; |
1873 |
while (*p != '\0' && *p != '=') { |
1874 |
if (q && (q - buf) < buf_size - 1) |
1875 |
*q++ = *p; |
1876 |
p++; |
1877 |
} |
1878 |
if (q)
|
1879 |
*q = '\0';
|
1880 |
|
1881 |
return p;
|
1882 |
} |
1883 |
|
1884 |
const char *get_opt_value(char *buf, int buf_size, const char *p) |
1885 |
{ |
1886 |
char *q;
|
1887 |
|
1888 |
q = buf; |
1889 |
while (*p != '\0') { |
1890 |
if (*p == ',') { |
1891 |
if (*(p + 1) != ',') |
1892 |
break;
|
1893 |
p++; |
1894 |
} |
1895 |
if (q && (q - buf) < buf_size - 1) |
1896 |
*q++ = *p; |
1897 |
p++; |
1898 |
} |
1899 |
if (q)
|
1900 |
*q = '\0';
|
1901 |
|
1902 |
return p;
|
1903 |
} |
1904 |
|
1905 |
int get_param_value(char *buf, int buf_size, |
1906 |
const char *tag, const char *str) |
1907 |
{ |
1908 |
const char *p; |
1909 |
char option[128]; |
1910 |
|
1911 |
p = str; |
1912 |
for(;;) {
|
1913 |
p = get_opt_name(option, sizeof(option), p);
|
1914 |
if (*p != '=') |
1915 |
break;
|
1916 |
p++; |
1917 |
if (!strcmp(tag, option)) {
|
1918 |
(void)get_opt_value(buf, buf_size, p);
|
1919 |
return strlen(buf);
|
1920 |
} else {
|
1921 |
p = get_opt_value(NULL, 0, p); |
1922 |
} |
1923 |
if (*p != ',') |
1924 |
break;
|
1925 |
p++; |
1926 |
} |
1927 |
return 0; |
1928 |
} |
1929 |
|
1930 |
int check_params(char *buf, int buf_size, |
1931 |
const char * const *params, const char *str) |
1932 |
{ |
1933 |
const char *p; |
1934 |
int i;
|
1935 |
|
1936 |
p = str; |
1937 |
for(;;) {
|
1938 |
p = get_opt_name(buf, buf_size, p); |
1939 |
if (*p != '=') |
1940 |
return -1; |
1941 |
p++; |
1942 |
for(i = 0; params[i] != NULL; i++) |
1943 |
if (!strcmp(params[i], buf))
|
1944 |
break;
|
1945 |
if (params[i] == NULL) |
1946 |
return -1; |
1947 |
p = get_opt_value(NULL, 0, p); |
1948 |
if (*p != ',') |
1949 |
break;
|
1950 |
p++; |
1951 |
} |
1952 |
return 0; |
1953 |
} |
1954 |
|
1955 |
/***********************************************************/
|
1956 |
/* Bluetooth support */
|
1957 |
static int nb_hcis; |
1958 |
static int cur_hci; |
1959 |
static struct HCIInfo *hci_table[MAX_NICS]; |
1960 |
|
1961 |
static struct bt_vlan_s { |
1962 |
struct bt_scatternet_s net;
|
1963 |
int id;
|
1964 |
struct bt_vlan_s *next;
|
1965 |
} *first_bt_vlan; |
1966 |
|
1967 |
/* find or alloc a new bluetooth "VLAN" */
|
1968 |
static struct bt_scatternet_s *qemu_find_bt_vlan(int id) |
1969 |
{ |
1970 |
struct bt_vlan_s **pvlan, *vlan;
|
1971 |
for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) { |
1972 |
if (vlan->id == id)
|
1973 |
return &vlan->net;
|
1974 |
} |
1975 |
vlan = qemu_mallocz(sizeof(struct bt_vlan_s)); |
1976 |
vlan->id = id; |
1977 |
pvlan = &first_bt_vlan; |
1978 |
while (*pvlan != NULL) |
1979 |
pvlan = &(*pvlan)->next; |
1980 |
*pvlan = vlan; |
1981 |
return &vlan->net;
|
1982 |
} |
1983 |
|
1984 |
static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len) |
1985 |
{ |
1986 |
} |
1987 |
|
1988 |
static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr) |
1989 |
{ |
1990 |
return -ENOTSUP;
|
1991 |
} |
1992 |
|
1993 |
static struct HCIInfo null_hci = { |
1994 |
.cmd_send = null_hci_send, |
1995 |
.sco_send = null_hci_send, |
1996 |
.acl_send = null_hci_send, |
1997 |
.bdaddr_set = null_hci_addr_set, |
1998 |
}; |
1999 |
|
2000 |
struct HCIInfo *qemu_next_hci(void) |
2001 |
{ |
2002 |
if (cur_hci == nb_hcis)
|
2003 |
return &null_hci;
|
2004 |
|
2005 |
return hci_table[cur_hci++];
|
2006 |
} |
2007 |
|
2008 |
static struct HCIInfo *hci_init(const char *str) |
2009 |
{ |
2010 |
char *endp;
|
2011 |
struct bt_scatternet_s *vlan = 0; |
2012 |
|
2013 |
if (!strcmp(str, "null")) |
2014 |
/* null */
|
2015 |
return &null_hci;
|
2016 |
else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':')) |
2017 |
/* host[:hciN] */
|
2018 |
return bt_host_hci(str[4] ? str + 5 : "hci0"); |
2019 |
else if (!strncmp(str, "hci", 3)) { |
2020 |
/* hci[,vlan=n] */
|
2021 |
if (str[3]) { |
2022 |
if (!strncmp(str + 3, ",vlan=", 6)) { |
2023 |
vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0)); |
2024 |
if (*endp)
|
2025 |
vlan = 0;
|
2026 |
} |
2027 |
} else
|
2028 |
vlan = qemu_find_bt_vlan(0);
|
2029 |
if (vlan)
|
2030 |
return bt_new_hci(vlan);
|
2031 |
} |
2032 |
|
2033 |
fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
|
2034 |
|
2035 |
return 0; |
2036 |
} |
2037 |
|
2038 |
static int bt_hci_parse(const char *str) |
2039 |
{ |
2040 |
struct HCIInfo *hci;
|
2041 |
bdaddr_t bdaddr; |
2042 |
|
2043 |
if (nb_hcis >= MAX_NICS) {
|
2044 |
fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
|
2045 |
return -1; |
2046 |
} |
2047 |
|
2048 |
hci = hci_init(str); |
2049 |
if (!hci)
|
2050 |
return -1; |
2051 |
|
2052 |
bdaddr.b[0] = 0x52; |
2053 |
bdaddr.b[1] = 0x54; |
2054 |
bdaddr.b[2] = 0x00; |
2055 |
bdaddr.b[3] = 0x12; |
2056 |
bdaddr.b[4] = 0x34; |
2057 |
bdaddr.b[5] = 0x56 + nb_hcis; |
2058 |
hci->bdaddr_set(hci, bdaddr.b); |
2059 |
|
2060 |
hci_table[nb_hcis++] = hci; |
2061 |
|
2062 |
return 0; |
2063 |
} |
2064 |
|
2065 |
static void bt_vhci_add(int vlan_id) |
2066 |
{ |
2067 |
struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
|
2068 |
|
2069 |
if (!vlan->slave)
|
2070 |
fprintf(stderr, "qemu: warning: adding a VHCI to "
|
2071 |
"an empty scatternet %i\n", vlan_id);
|
2072 |
|
2073 |
bt_vhci_init(bt_new_hci(vlan)); |
2074 |
} |
2075 |
|
2076 |
static struct bt_device_s *bt_device_add(const char *opt) |
2077 |
{ |
2078 |
struct bt_scatternet_s *vlan;
|
2079 |
int vlan_id = 0; |
2080 |
char *endp = strstr(opt, ",vlan="); |
2081 |
int len = (endp ? endp - opt : strlen(opt)) + 1; |
2082 |
char devname[10]; |
2083 |
|
2084 |
pstrcpy(devname, MIN(sizeof(devname), len), opt);
|
2085 |
|
2086 |
if (endp) {
|
2087 |
vlan_id = strtol(endp + 6, &endp, 0); |
2088 |
if (*endp) {
|
2089 |
fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
|
2090 |
return 0; |
2091 |
} |
2092 |
} |
2093 |
|
2094 |
vlan = qemu_find_bt_vlan(vlan_id); |
2095 |
|
2096 |
if (!vlan->slave)
|
2097 |
fprintf(stderr, "qemu: warning: adding a slave device to "
|
2098 |
"an empty scatternet %i\n", vlan_id);
|
2099 |
|
2100 |
if (!strcmp(devname, "keyboard")) |
2101 |
return bt_keyboard_init(vlan);
|
2102 |
|
2103 |
fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
|
2104 |
return 0; |
2105 |
} |
2106 |
|
2107 |
static int bt_parse(const char *opt) |
2108 |
{ |
2109 |
const char *endp, *p; |
2110 |
int vlan;
|
2111 |
|
2112 |
if (strstart(opt, "hci", &endp)) { |
2113 |
if (!*endp || *endp == ',') { |
2114 |
if (*endp)
|
2115 |
if (!strstart(endp, ",vlan=", 0)) |
2116 |
opt = endp + 1;
|
2117 |
|
2118 |
return bt_hci_parse(opt);
|
2119 |
} |
2120 |
} else if (strstart(opt, "vhci", &endp)) { |
2121 |
if (!*endp || *endp == ',') { |
2122 |
if (*endp) {
|
2123 |
if (strstart(endp, ",vlan=", &p)) { |
2124 |
vlan = strtol(p, (char **) &endp, 0); |
2125 |
if (*endp) {
|
2126 |
fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
|
2127 |
return 1; |
2128 |
} |
2129 |
} else {
|
2130 |
fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1); |
2131 |
return 1; |
2132 |
} |
2133 |
} else
|
2134 |
vlan = 0;
|
2135 |
|
2136 |
bt_vhci_add(vlan); |
2137 |
return 0; |
2138 |
} |
2139 |
} else if (strstart(opt, "device:", &endp)) |
2140 |
return !bt_device_add(endp);
|
2141 |
|
2142 |
fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
|
2143 |
return 1; |
2144 |
} |
2145 |
|
2146 |
/***********************************************************/
|
2147 |
/* QEMU Block devices */
|
2148 |
|
2149 |
#define HD_ALIAS "index=%d,media=disk" |
2150 |
#define CDROM_ALIAS "index=2,media=cdrom" |
2151 |
#define FD_ALIAS "index=%d,if=floppy" |
2152 |
#define PFLASH_ALIAS "if=pflash" |
2153 |
#define MTD_ALIAS "if=mtd" |
2154 |
#define SD_ALIAS "index=0,if=sd" |
2155 |
|
2156 |
static int drive_opt_get_free_idx(void) |
2157 |
{ |
2158 |
int index;
|
2159 |
|
2160 |
for (index = 0; index < MAX_DRIVES; index++) |
2161 |
if (!drives_opt[index].used) {
|
2162 |
drives_opt[index].used = 1;
|
2163 |
return index;
|
2164 |
} |
2165 |
|
2166 |
return -1; |
2167 |
} |
2168 |
|
2169 |
static int drive_get_free_idx(void) |
2170 |
{ |
2171 |
int index;
|
2172 |
|
2173 |
for (index = 0; index < MAX_DRIVES; index++) |
2174 |
if (!drives_table[index].used) {
|
2175 |
drives_table[index].used = 1;
|
2176 |
return index;
|
2177 |
} |
2178 |
|
2179 |
return -1; |
2180 |
} |
2181 |
|
2182 |
int drive_add(const char *file, const char *fmt, ...) |
2183 |
{ |
2184 |
va_list ap; |
2185 |
int index = drive_opt_get_free_idx();
|
2186 |
|
2187 |
if (nb_drives_opt >= MAX_DRIVES || index == -1) { |
2188 |
fprintf(stderr, "qemu: too many drives\n");
|
2189 |
return -1; |
2190 |
} |
2191 |
|
2192 |
drives_opt[index].file = file; |
2193 |
va_start(ap, fmt); |
2194 |
vsnprintf(drives_opt[index].opt, |
2195 |
sizeof(drives_opt[0].opt), fmt, ap); |
2196 |
va_end(ap); |
2197 |
|
2198 |
nb_drives_opt++; |
2199 |
return index;
|
2200 |
} |
2201 |
|
2202 |
void drive_remove(int index) |
2203 |
{ |
2204 |
drives_opt[index].used = 0;
|
2205 |
nb_drives_opt--; |
2206 |
} |
2207 |
|
2208 |
int drive_get_index(BlockInterfaceType type, int bus, int unit) |
2209 |
{ |
2210 |
int index;
|
2211 |
|
2212 |
/* seek interface, bus and unit */
|
2213 |
|
2214 |
for (index = 0; index < MAX_DRIVES; index++) |
2215 |
if (drives_table[index].type == type &&
|
2216 |
drives_table[index].bus == bus && |
2217 |
drives_table[index].unit == unit && |
2218 |
drives_table[index].used) |
2219 |
return index;
|
2220 |
|
2221 |
return -1; |
2222 |
} |
2223 |
|
2224 |
int drive_get_max_bus(BlockInterfaceType type)
|
2225 |
{ |
2226 |
int max_bus;
|
2227 |
int index;
|
2228 |
|
2229 |
max_bus = -1;
|
2230 |
for (index = 0; index < nb_drives; index++) { |
2231 |
if(drives_table[index].type == type &&
|
2232 |
drives_table[index].bus > max_bus) |
2233 |
max_bus = drives_table[index].bus; |
2234 |
} |
2235 |
return max_bus;
|
2236 |
} |
2237 |
|
2238 |
const char *drive_get_serial(BlockDriverState *bdrv) |
2239 |
{ |
2240 |
int index;
|
2241 |
|
2242 |
for (index = 0; index < nb_drives; index++) |
2243 |
if (drives_table[index].bdrv == bdrv)
|
2244 |
return drives_table[index].serial;
|
2245 |
|
2246 |
return "\0"; |
2247 |
} |
2248 |
|
2249 |
BlockInterfaceErrorAction drive_get_onerror(BlockDriverState *bdrv) |
2250 |
{ |
2251 |
int index;
|
2252 |
|
2253 |
for (index = 0; index < nb_drives; index++) |
2254 |
if (drives_table[index].bdrv == bdrv)
|
2255 |
return drives_table[index].onerror;
|
2256 |
|
2257 |
return BLOCK_ERR_STOP_ENOSPC;
|
2258 |
} |
2259 |
|
2260 |
static void bdrv_format_print(void *opaque, const char *name) |
2261 |
{ |
2262 |
fprintf(stderr, " %s", name);
|
2263 |
} |
2264 |
|
2265 |
void drive_uninit(BlockDriverState *bdrv)
|
2266 |
{ |
2267 |
int i;
|
2268 |
|
2269 |
for (i = 0; i < MAX_DRIVES; i++) |
2270 |
if (drives_table[i].bdrv == bdrv) {
|
2271 |
drives_table[i].bdrv = NULL;
|
2272 |
drives_table[i].used = 0;
|
2273 |
drive_remove(drives_table[i].drive_opt_idx); |
2274 |
nb_drives--; |
2275 |
break;
|
2276 |
} |
2277 |
} |
2278 |
|
2279 |
int drive_init(struct drive_opt *arg, int snapshot, void *opaque) |
2280 |
{ |
2281 |
char buf[128]; |
2282 |
char file[1024]; |
2283 |
char devname[128]; |
2284 |
char serial[21]; |
2285 |
const char *mediastr = ""; |
2286 |
BlockInterfaceType type; |
2287 |
enum { MEDIA_DISK, MEDIA_CDROM } media;
|
2288 |
int bus_id, unit_id;
|
2289 |
int cyls, heads, secs, translation;
|
2290 |
BlockDriverState *bdrv; |
2291 |
BlockDriver *drv = NULL;
|
2292 |
QEMUMachine *machine = opaque; |
2293 |
int max_devs;
|
2294 |
int index;
|
2295 |
int cache;
|
2296 |
int bdrv_flags, onerror;
|
2297 |
int drives_table_idx;
|
2298 |
char *str = arg->opt;
|
2299 |
static const char * const params[] = { "bus", "unit", "if", "index", |
2300 |
"cyls", "heads", "secs", "trans", |
2301 |
"media", "snapshot", "file", |
2302 |
"cache", "format", "serial", "werror", |
2303 |
NULL };
|
2304 |
|
2305 |
if (check_params(buf, sizeof(buf), params, str) < 0) { |
2306 |
fprintf(stderr, "qemu: unknown parameter '%s' in '%s'\n",
|
2307 |
buf, str); |
2308 |
return -1; |
2309 |
} |
2310 |
|
2311 |
file[0] = 0; |
2312 |
cyls = heads = secs = 0;
|
2313 |
bus_id = 0;
|
2314 |
unit_id = -1;
|
2315 |
translation = BIOS_ATA_TRANSLATION_AUTO; |
2316 |
index = -1;
|
2317 |
cache = 3;
|
2318 |
|
2319 |
if (machine->use_scsi) {
|
2320 |
type = IF_SCSI; |
2321 |
max_devs = MAX_SCSI_DEVS; |
2322 |
pstrcpy(devname, sizeof(devname), "scsi"); |
2323 |
} else {
|
2324 |
type = IF_IDE; |
2325 |
max_devs = MAX_IDE_DEVS; |
2326 |
pstrcpy(devname, sizeof(devname), "ide"); |
2327 |
} |
2328 |
media = MEDIA_DISK; |
2329 |
|
2330 |
/* extract parameters */
|
2331 |
|
2332 |
if (get_param_value(buf, sizeof(buf), "bus", str)) { |
2333 |
bus_id = strtol(buf, NULL, 0); |
2334 |
if (bus_id < 0) { |
2335 |
fprintf(stderr, "qemu: '%s' invalid bus id\n", str);
|
2336 |
return -1; |
2337 |
} |
2338 |
} |
2339 |
|
2340 |
if (get_param_value(buf, sizeof(buf), "unit", str)) { |
2341 |
unit_id = strtol(buf, NULL, 0); |
2342 |
if (unit_id < 0) { |
2343 |
fprintf(stderr, "qemu: '%s' invalid unit id\n", str);
|
2344 |
return -1; |
2345 |
} |
2346 |
} |
2347 |
|
2348 |
if (get_param_value(buf, sizeof(buf), "if", str)) { |
2349 |
pstrcpy(devname, sizeof(devname), buf);
|
2350 |
if (!strcmp(buf, "ide")) { |
2351 |
type = IF_IDE; |
2352 |
max_devs = MAX_IDE_DEVS; |
2353 |
} else if (!strcmp(buf, "scsi")) { |
2354 |
type = IF_SCSI; |
2355 |
max_devs = MAX_SCSI_DEVS; |
2356 |
} else if (!strcmp(buf, "floppy")) { |
2357 |
type = IF_FLOPPY; |
2358 |
max_devs = 0;
|
2359 |
} else if (!strcmp(buf, "pflash")) { |
2360 |
type = IF_PFLASH; |
2361 |
max_devs = 0;
|
2362 |
} else if (!strcmp(buf, "mtd")) { |
2363 |
type = IF_MTD; |
2364 |
max_devs = 0;
|
2365 |
} else if (!strcmp(buf, "sd")) { |
2366 |
type = IF_SD; |
2367 |
max_devs = 0;
|
2368 |
} else if (!strcmp(buf, "virtio")) { |
2369 |
type = IF_VIRTIO; |
2370 |
max_devs = 0;
|
2371 |
} else {
|
2372 |
fprintf(stderr, "qemu: '%s' unsupported bus type '%s'\n", str, buf);
|
2373 |
return -1; |
2374 |
} |
2375 |
} |
2376 |
|
2377 |
if (get_param_value(buf, sizeof(buf), "index", str)) { |
2378 |
index = strtol(buf, NULL, 0); |
2379 |
if (index < 0) { |
2380 |
fprintf(stderr, "qemu: '%s' invalid index\n", str);
|
2381 |
return -1; |
2382 |
} |
2383 |
} |
2384 |
|
2385 |
if (get_param_value(buf, sizeof(buf), "cyls", str)) { |
2386 |
cyls = strtol(buf, NULL, 0); |
2387 |
} |
2388 |
|
2389 |
if (get_param_value(buf, sizeof(buf), "heads", str)) { |
2390 |
heads = strtol(buf, NULL, 0); |
2391 |
} |
2392 |
|
2393 |
if (get_param_value(buf, sizeof(buf), "secs", str)) { |
2394 |
secs = strtol(buf, NULL, 0); |
2395 |
} |
2396 |
|
2397 |
if (cyls || heads || secs) {
|
2398 |
if (cyls < 1 || cyls > 16383) { |
2399 |
fprintf(stderr, "qemu: '%s' invalid physical cyls number\n", str);
|
2400 |
return -1; |
2401 |
} |
2402 |
if (heads < 1 || heads > 16) { |
2403 |
fprintf(stderr, "qemu: '%s' invalid physical heads number\n", str);
|
2404 |
return -1; |
2405 |
} |
2406 |
if (secs < 1 || secs > 63) { |
2407 |
fprintf(stderr, "qemu: '%s' invalid physical secs number\n", str);
|
2408 |
return -1; |
2409 |
} |
2410 |
} |
2411 |
|
2412 |
if (get_param_value(buf, sizeof(buf), "trans", str)) { |
2413 |
if (!cyls) {
|
2414 |
fprintf(stderr, |
2415 |
"qemu: '%s' trans must be used with cyls,heads and secs\n",
|
2416 |
str); |
2417 |
return -1; |
2418 |
} |
2419 |
if (!strcmp(buf, "none")) |
2420 |
translation = BIOS_ATA_TRANSLATION_NONE; |
2421 |
else if (!strcmp(buf, "lba")) |
2422 |
translation = BIOS_ATA_TRANSLATION_LBA; |
2423 |
else if (!strcmp(buf, "auto")) |
2424 |
translation = BIOS_ATA_TRANSLATION_AUTO; |
2425 |
else {
|
2426 |
fprintf(stderr, "qemu: '%s' invalid translation type\n", str);
|
2427 |
return -1; |
2428 |
} |
2429 |
} |
2430 |
|
2431 |
if (get_param_value(buf, sizeof(buf), "media", str)) { |
2432 |
if (!strcmp(buf, "disk")) { |
2433 |
media = MEDIA_DISK; |
2434 |
} else if (!strcmp(buf, "cdrom")) { |
2435 |
if (cyls || secs || heads) {
|
2436 |
fprintf(stderr, |
2437 |
"qemu: '%s' invalid physical CHS format\n", str);
|
2438 |
return -1; |
2439 |
} |
2440 |
media = MEDIA_CDROM; |
2441 |
} else {
|
2442 |
fprintf(stderr, "qemu: '%s' invalid media\n", str);
|
2443 |
return -1; |
2444 |
} |
2445 |
} |
2446 |
|
2447 |
if (get_param_value(buf, sizeof(buf), "snapshot", str)) { |
2448 |
if (!strcmp(buf, "on")) |
2449 |
snapshot = 1;
|
2450 |
else if (!strcmp(buf, "off")) |
2451 |
snapshot = 0;
|
2452 |
else {
|
2453 |
fprintf(stderr, "qemu: '%s' invalid snapshot option\n", str);
|
2454 |
return -1; |
2455 |
} |
2456 |
} |
2457 |
|
2458 |
if (get_param_value(buf, sizeof(buf), "cache", str)) { |
2459 |
if (!strcmp(buf, "off") || !strcmp(buf, "none")) |
2460 |
cache = 0;
|
2461 |
else if (!strcmp(buf, "writethrough")) |
2462 |
cache = 1;
|
2463 |
else if (!strcmp(buf, "writeback")) |
2464 |
cache = 2;
|
2465 |
else {
|
2466 |
fprintf(stderr, "qemu: invalid cache option\n");
|
2467 |
return -1; |
2468 |
} |
2469 |
} |
2470 |
|
2471 |
if (get_param_value(buf, sizeof(buf), "format", str)) { |
2472 |
if (strcmp(buf, "?") == 0) { |
2473 |
fprintf(stderr, "qemu: Supported formats:");
|
2474 |
bdrv_iterate_format(bdrv_format_print, NULL);
|
2475 |
fprintf(stderr, "\n");
|
2476 |
return -1; |
2477 |
} |
2478 |
drv = bdrv_find_format(buf); |
2479 |
if (!drv) {
|
2480 |
fprintf(stderr, "qemu: '%s' invalid format\n", buf);
|
2481 |
return -1; |
2482 |
} |
2483 |
} |
2484 |
|
2485 |
if (arg->file == NULL) |
2486 |
get_param_value(file, sizeof(file), "file", str); |
2487 |
else
|
2488 |
pstrcpy(file, sizeof(file), arg->file);
|
2489 |
|
2490 |
if (!get_param_value(serial, sizeof(serial), "serial", str)) |
2491 |
memset(serial, 0, sizeof(serial)); |
2492 |
|
2493 |
onerror = BLOCK_ERR_STOP_ENOSPC; |
2494 |
if (get_param_value(buf, sizeof(serial), "werror", str)) { |
2495 |
if (type != IF_IDE && type != IF_SCSI && type != IF_VIRTIO) {
|
2496 |
fprintf(stderr, "werror is no supported by this format\n");
|
2497 |
return -1; |
2498 |
} |
2499 |
if (!strcmp(buf, "ignore")) |
2500 |
onerror = BLOCK_ERR_IGNORE; |
2501 |
else if (!strcmp(buf, "enospc")) |
2502 |
onerror = BLOCK_ERR_STOP_ENOSPC; |
2503 |
else if (!strcmp(buf, "stop")) |
2504 |
onerror = BLOCK_ERR_STOP_ANY; |
2505 |
else if (!strcmp(buf, "report")) |
2506 |
onerror = BLOCK_ERR_REPORT; |
2507 |
else {
|
2508 |
fprintf(stderr, "qemu: '%s' invalid write error action\n", buf);
|
2509 |
return -1; |
2510 |
} |
2511 |
} |
2512 |
|
2513 |
/* compute bus and unit according index */
|
2514 |
|
2515 |
if (index != -1) { |
2516 |
if (bus_id != 0 || unit_id != -1) { |
2517 |
fprintf(stderr, |
2518 |
"qemu: '%s' index cannot be used with bus and unit\n", str);
|
2519 |
return -1; |
2520 |
} |
2521 |
if (max_devs == 0) |
2522 |
{ |
2523 |
unit_id = index; |
2524 |
bus_id = 0;
|
2525 |
} else {
|
2526 |
unit_id = index % max_devs; |
2527 |
bus_id = index / max_devs; |
2528 |
} |
2529 |
} |
2530 |
|
2531 |
/* if user doesn't specify a unit_id,
|
2532 |
* try to find the first free
|
2533 |
*/
|
2534 |
|
2535 |
if (unit_id == -1) { |
2536 |
unit_id = 0;
|
2537 |
while (drive_get_index(type, bus_id, unit_id) != -1) { |
2538 |
unit_id++; |
2539 |
if (max_devs && unit_id >= max_devs) {
|
2540 |
unit_id -= max_devs; |
2541 |
bus_id++; |
2542 |
} |
2543 |
} |
2544 |
} |
2545 |
|
2546 |
/* check unit id */
|
2547 |
|
2548 |
if (max_devs && unit_id >= max_devs) {
|
2549 |
fprintf(stderr, "qemu: '%s' unit %d too big (max is %d)\n",
|
2550 |
str, unit_id, max_devs - 1);
|
2551 |
return -1; |
2552 |
} |
2553 |
|
2554 |
/*
|
2555 |
* ignore multiple definitions
|
2556 |
*/
|
2557 |
|
2558 |
if (drive_get_index(type, bus_id, unit_id) != -1) |
2559 |
return -2; |
2560 |
|
2561 |
/* init */
|
2562 |
|
2563 |
if (type == IF_IDE || type == IF_SCSI)
|
2564 |
mediastr = (media == MEDIA_CDROM) ? "-cd" : "-hd"; |
2565 |
if (max_devs)
|
2566 |
snprintf(buf, sizeof(buf), "%s%i%s%i", |
2567 |
devname, bus_id, mediastr, unit_id); |
2568 |
else
|
2569 |
snprintf(buf, sizeof(buf), "%s%s%i", |
2570 |
devname, mediastr, unit_id); |
2571 |
bdrv = bdrv_new(buf); |
2572 |
drives_table_idx = drive_get_free_idx(); |
2573 |
drives_table[drives_table_idx].bdrv = bdrv; |
2574 |
drives_table[drives_table_idx].type = type; |
2575 |
drives_table[drives_table_idx].bus = bus_id; |
2576 |
drives_table[drives_table_idx].unit = unit_id; |
2577 |
drives_table[drives_table_idx].onerror = onerror; |
2578 |
drives_table[drives_table_idx].drive_opt_idx = arg - drives_opt; |
2579 |
strncpy(drives_table[nb_drives].serial, serial, sizeof(serial));
|
2580 |
nb_drives++; |
2581 |
|
2582 |
switch(type) {
|
2583 |
case IF_IDE:
|
2584 |
case IF_SCSI:
|
2585 |
switch(media) {
|
2586 |
case MEDIA_DISK:
|
2587 |
if (cyls != 0) { |
2588 |
bdrv_set_geometry_hint(bdrv, cyls, heads, secs); |
2589 |
bdrv_set_translation_hint(bdrv, translation); |
2590 |
} |
2591 |
break;
|
2592 |
case MEDIA_CDROM:
|
2593 |
bdrv_set_type_hint(bdrv, BDRV_TYPE_CDROM); |
2594 |
break;
|
2595 |
} |
2596 |
break;
|
2597 |
case IF_SD:
|
2598 |
/* FIXME: This isn't really a floppy, but it's a reasonable
|
2599 |
approximation. */
|
2600 |
case IF_FLOPPY:
|
2601 |
bdrv_set_type_hint(bdrv, BDRV_TYPE_FLOPPY); |
2602 |
break;
|
2603 |
case IF_PFLASH:
|
2604 |
case IF_MTD:
|
2605 |
case IF_VIRTIO:
|
2606 |
break;
|
2607 |
} |
2608 |
if (!file[0]) |
2609 |
return -2; |
2610 |
bdrv_flags = 0;
|
2611 |
if (snapshot) {
|
2612 |
bdrv_flags |= BDRV_O_SNAPSHOT; |
2613 |
cache = 2; /* always use write-back with snapshot */ |
2614 |
} |
2615 |
if (cache == 0) /* no caching */ |
2616 |
bdrv_flags |= BDRV_O_NOCACHE; |
2617 |
else if (cache == 2) /* write-back */ |
2618 |
bdrv_flags |= BDRV_O_CACHE_WB; |
2619 |
else if (cache == 3) /* not specified */ |
2620 |
bdrv_flags |= BDRV_O_CACHE_DEF; |
2621 |
if (bdrv_open2(bdrv, file, bdrv_flags, drv) < 0) { |
2622 |
fprintf(stderr, "qemu: could not open disk image %s\n",
|
2623 |
file); |
2624 |
return -1; |
2625 |
} |
2626 |
if (bdrv_key_required(bdrv))
|
2627 |
autostart = 0;
|
2628 |
return drives_table_idx;
|
2629 |
} |
2630 |
|
2631 |
/***********************************************************/
|
2632 |
/* USB devices */
|
2633 |
|
2634 |
static USBPort *used_usb_ports;
|
2635 |
static USBPort *free_usb_ports;
|
2636 |
|
2637 |
/* ??? Maybe change this to register a hub to keep track of the topology. */
|
2638 |
void qemu_register_usb_port(USBPort *port, void *opaque, int index, |
2639 |
usb_attachfn attach) |
2640 |
{ |
2641 |
port->opaque = opaque; |
2642 |
port->index = index; |
2643 |
port->attach = attach; |
2644 |
port->next = free_usb_ports; |
2645 |
free_usb_ports = port; |
2646 |
} |
2647 |
|
2648 |
int usb_device_add_dev(USBDevice *dev)
|
2649 |
{ |
2650 |
USBPort *port; |
2651 |
|
2652 |
/* Find a USB port to add the device to. */
|
2653 |
port = free_usb_ports; |
2654 |
if (!port->next) {
|
2655 |
USBDevice *hub; |
2656 |
|
2657 |
/* Create a new hub and chain it on. */
|
2658 |
free_usb_ports = NULL;
|
2659 |
port->next = used_usb_ports; |
2660 |
used_usb_ports = port; |
2661 |
|
2662 |
hub = usb_hub_init(VM_USB_HUB_SIZE); |
2663 |
usb_attach(port, hub); |
2664 |
port = free_usb_ports; |
2665 |
} |
2666 |
|
2667 |
free_usb_ports = port->next; |
2668 |
port->next = used_usb_ports; |
2669 |
used_usb_ports = port; |
2670 |
usb_attach(port, dev); |
2671 |
return 0; |
2672 |
} |
2673 |
|
2674 |
static void usb_msd_password_cb(void *opaque, int err) |
2675 |
{ |
2676 |
USBDevice *dev = opaque; |
2677 |
|
2678 |
if (!err)
|
2679 |
usb_device_add_dev(dev); |
2680 |
else
|
2681 |
dev->handle_destroy(dev); |
2682 |
} |
2683 |
|
2684 |
static int usb_device_add(const char *devname, int is_hotplug) |
2685 |
{ |
2686 |
const char *p; |
2687 |
USBDevice *dev; |
2688 |
|
2689 |
if (!free_usb_ports)
|
2690 |
return -1; |
2691 |
|
2692 |
if (strstart(devname, "host:", &p)) { |
2693 |
dev = usb_host_device_open(p); |
2694 |
} else if (!strcmp(devname, "mouse")) { |
2695 |
dev = usb_mouse_init(); |
2696 |
} else if (!strcmp(devname, "tablet")) { |
2697 |
dev = usb_tablet_init(); |
2698 |
} else if (!strcmp(devname, "keyboard")) { |
2699 |
dev = usb_keyboard_init(); |
2700 |
} else if (strstart(devname, "disk:", &p)) { |
2701 |
BlockDriverState *bs; |
2702 |
|
2703 |
dev = usb_msd_init(p); |
2704 |
if (!dev)
|
2705 |
return -1; |
2706 |
bs = usb_msd_get_bdrv(dev); |
2707 |
if (bdrv_key_required(bs)) {
|
2708 |
autostart = 0;
|
2709 |
if (is_hotplug) {
|
2710 |
monitor_read_bdrv_key_start(cur_mon, bs, usb_msd_password_cb, |
2711 |
dev); |
2712 |
return 0; |
2713 |
} |
2714 |
} |
2715 |
} else if (!strcmp(devname, "wacom-tablet")) { |
2716 |
dev = usb_wacom_init(); |
2717 |
} else if (strstart(devname, "serial:", &p)) { |
2718 |
dev = usb_serial_init(p); |
2719 |
#ifdef CONFIG_BRLAPI
|
2720 |
} else if (!strcmp(devname, "braille")) { |
2721 |
dev = usb_baum_init(); |
2722 |
#endif
|
2723 |
} else if (strstart(devname, "net:", &p)) { |
2724 |
int nic = nb_nics;
|
2725 |
|
2726 |
if (net_client_init("nic", p) < 0) |
2727 |
return -1; |
2728 |
nd_table[nic].model = "usb";
|
2729 |
dev = usb_net_init(&nd_table[nic]); |
2730 |
} else if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) { |
2731 |
dev = usb_bt_init(devname[2] ? hci_init(p) :
|
2732 |
bt_new_hci(qemu_find_bt_vlan(0)));
|
2733 |
} else {
|
2734 |
return -1; |
2735 |
} |
2736 |
if (!dev)
|
2737 |
return -1; |
2738 |
|
2739 |
return usb_device_add_dev(dev);
|
2740 |
} |
2741 |
|
2742 |
int usb_device_del_addr(int bus_num, int addr) |
2743 |
{ |
2744 |
USBPort *port; |
2745 |
USBPort **lastp; |
2746 |
USBDevice *dev; |
2747 |
|
2748 |
if (!used_usb_ports)
|
2749 |
return -1; |
2750 |
|
2751 |
if (bus_num != 0) |
2752 |
return -1; |
2753 |
|
2754 |
lastp = &used_usb_ports; |
2755 |
port = used_usb_ports; |
2756 |
while (port && port->dev->addr != addr) {
|
2757 |
lastp = &port->next; |
2758 |
port = port->next; |
2759 |
} |
2760 |
|
2761 |
if (!port)
|
2762 |
return -1; |
2763 |
|
2764 |
dev = port->dev; |
2765 |
*lastp = port->next; |
2766 |
usb_attach(port, NULL);
|
2767 |
dev->handle_destroy(dev); |
2768 |
port->next = free_usb_ports; |
2769 |
free_usb_ports = port; |
2770 |
return 0; |
2771 |
} |
2772 |
|
2773 |
static int usb_device_del(const char *devname) |
2774 |
{ |
2775 |
int bus_num, addr;
|
2776 |
const char *p; |
2777 |
|
2778 |
if (strstart(devname, "host:", &p)) |
2779 |
return usb_host_device_close(p);
|
2780 |
|
2781 |
if (!used_usb_ports)
|
2782 |
return -1; |
2783 |
|
2784 |
p = strchr(devname, '.');
|
2785 |
if (!p)
|
2786 |
return -1; |
2787 |
bus_num = strtoul(devname, NULL, 0); |
2788 |
addr = strtoul(p + 1, NULL, 0); |
2789 |
|
2790 |
return usb_device_del_addr(bus_num, addr);
|
2791 |
} |
2792 |
|
2793 |
void do_usb_add(Monitor *mon, const char *devname) |
2794 |
{ |
2795 |
usb_device_add(devname, 1);
|
2796 |
} |
2797 |
|
2798 |
void do_usb_del(Monitor *mon, const char *devname) |
2799 |
{ |
2800 |
usb_device_del(devname); |
2801 |
} |
2802 |
|
2803 |
void usb_info(Monitor *mon)
|
2804 |
{ |
2805 |
USBDevice *dev; |
2806 |
USBPort *port; |
2807 |
const char *speed_str; |
2808 |
|
2809 |
if (!usb_enabled) {
|
2810 |
monitor_printf(mon, "USB support not enabled\n");
|
2811 |
return;
|
2812 |
} |
2813 |
|
2814 |
for (port = used_usb_ports; port; port = port->next) {
|
2815 |
dev = port->dev; |
2816 |
if (!dev)
|
2817 |
continue;
|
2818 |
switch(dev->speed) {
|
2819 |
case USB_SPEED_LOW:
|
2820 |
speed_str = "1.5";
|
2821 |
break;
|
2822 |
case USB_SPEED_FULL:
|
2823 |
speed_str = "12";
|
2824 |
break;
|
2825 |
case USB_SPEED_HIGH:
|
2826 |
speed_str = "480";
|
2827 |
break;
|
2828 |
default:
|
2829 |
speed_str = "?";
|
2830 |
break;
|
2831 |
} |
2832 |
monitor_printf(mon, " Device %d.%d, Speed %s Mb/s, Product %s\n",
|
2833 |
0, dev->addr, speed_str, dev->devname);
|
2834 |
} |
2835 |
} |
2836 |
|
2837 |
/***********************************************************/
|
2838 |
/* PCMCIA/Cardbus */
|
2839 |
|
2840 |
static struct pcmcia_socket_entry_s { |
2841 |
struct pcmcia_socket_s *socket;
|
2842 |
struct pcmcia_socket_entry_s *next;
|
2843 |
} *pcmcia_sockets = 0;
|
2844 |
|
2845 |
void pcmcia_socket_register(struct pcmcia_socket_s *socket) |
2846 |
{ |
2847 |
struct pcmcia_socket_entry_s *entry;
|
2848 |
|
2849 |
entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s)); |
2850 |
entry->socket = socket; |
2851 |
entry->next = pcmcia_sockets; |
2852 |
pcmcia_sockets = entry; |
2853 |
} |
2854 |
|
2855 |
void pcmcia_socket_unregister(struct pcmcia_socket_s *socket) |
2856 |
{ |
2857 |
struct pcmcia_socket_entry_s *entry, **ptr;
|
2858 |
|
2859 |
ptr = &pcmcia_sockets; |
2860 |
for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
|
2861 |
if (entry->socket == socket) {
|
2862 |
*ptr = entry->next; |
2863 |
qemu_free(entry); |
2864 |
} |
2865 |
} |
2866 |
|
2867 |
void pcmcia_info(Monitor *mon)
|
2868 |
{ |
2869 |
struct pcmcia_socket_entry_s *iter;
|
2870 |
|
2871 |
if (!pcmcia_sockets)
|
2872 |
monitor_printf(mon, "No PCMCIA sockets\n");
|
2873 |
|
2874 |
for (iter = pcmcia_sockets; iter; iter = iter->next)
|
2875 |
monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
|
2876 |
iter->socket->attached ? iter->socket->card_string : |
2877 |
"Empty");
|
2878 |
} |
2879 |
|
2880 |
/***********************************************************/
|
2881 |
/* register display */
|
2882 |
|
2883 |
struct DisplayAllocator default_allocator = {
|
2884 |
defaultallocator_create_displaysurface, |
2885 |
defaultallocator_resize_displaysurface, |
2886 |
defaultallocator_free_displaysurface |
2887 |
}; |
2888 |
|
2889 |
void register_displaystate(DisplayState *ds)
|
2890 |
{ |
2891 |
DisplayState **s; |
2892 |
s = &display_state; |
2893 |
while (*s != NULL) |
2894 |
s = &(*s)->next; |
2895 |
ds->next = NULL;
|
2896 |
*s = ds; |
2897 |
} |
2898 |
|
2899 |
DisplayState *get_displaystate(void)
|
2900 |
{ |
2901 |
return display_state;
|
2902 |
} |
2903 |
|
2904 |
DisplayAllocator *register_displayallocator(DisplayState *ds, DisplayAllocator *da) |
2905 |
{ |
2906 |
if(ds->allocator == &default_allocator) ds->allocator = da;
|
2907 |
return ds->allocator;
|
2908 |
} |
2909 |
|
2910 |
/* dumb display */
|
2911 |
|
2912 |
static void dumb_display_init(void) |
2913 |
{ |
2914 |
DisplayState *ds = qemu_mallocz(sizeof(DisplayState));
|
2915 |
ds->allocator = &default_allocator; |
2916 |
ds->surface = qemu_create_displaysurface(ds, 640, 480); |
2917 |
register_displaystate(ds); |
2918 |
} |
2919 |
|
2920 |
/***********************************************************/
|
2921 |
/* I/O handling */
|
2922 |
|
2923 |
typedef struct IOHandlerRecord { |
2924 |
int fd;
|
2925 |
IOCanRWHandler *fd_read_poll; |
2926 |
IOHandler *fd_read; |
2927 |
IOHandler *fd_write; |
2928 |
int deleted;
|
2929 |
void *opaque;
|
2930 |
/* temporary data */
|
2931 |
struct pollfd *ufd;
|
2932 |
struct IOHandlerRecord *next;
|
2933 |
} IOHandlerRecord; |
2934 |
|
2935 |
static IOHandlerRecord *first_io_handler;
|
2936 |
|
2937 |
/* XXX: fd_read_poll should be suppressed, but an API change is
|
2938 |
necessary in the character devices to suppress fd_can_read(). */
|
2939 |
int qemu_set_fd_handler2(int fd, |
2940 |
IOCanRWHandler *fd_read_poll, |
2941 |
IOHandler *fd_read, |
2942 |
IOHandler *fd_write, |
2943 |
void *opaque)
|
2944 |
{ |
2945 |
IOHandlerRecord **pioh, *ioh; |
2946 |
|
2947 |
if (!fd_read && !fd_write) {
|
2948 |
pioh = &first_io_handler; |
2949 |
for(;;) {
|
2950 |
ioh = *pioh; |
2951 |
if (ioh == NULL) |
2952 |
break;
|
2953 |
if (ioh->fd == fd) {
|
2954 |
ioh->deleted = 1;
|
2955 |
break;
|
2956 |
} |
2957 |
pioh = &ioh->next; |
2958 |
} |
2959 |
} else {
|
2960 |
for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { |
2961 |
if (ioh->fd == fd)
|
2962 |
goto found;
|
2963 |
} |
2964 |
ioh = qemu_mallocz(sizeof(IOHandlerRecord));
|
2965 |
ioh->next = first_io_handler; |
2966 |
first_io_handler = ioh; |
2967 |
found:
|
2968 |
ioh->fd = fd; |
2969 |
ioh->fd_read_poll = fd_read_poll; |
2970 |
ioh->fd_read = fd_read; |
2971 |
ioh->fd_write = fd_write; |
2972 |
ioh->opaque = opaque; |
2973 |
ioh->deleted = 0;
|
2974 |
} |
2975 |
return 0; |
2976 |
} |
2977 |
|
2978 |
int qemu_set_fd_handler(int fd, |
2979 |
IOHandler *fd_read, |
2980 |
IOHandler *fd_write, |
2981 |
void *opaque)
|
2982 |
{ |
2983 |
return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque); |
2984 |
} |
2985 |
|
2986 |
#ifdef _WIN32
|
2987 |
/***********************************************************/
|
2988 |
/* Polling handling */
|
2989 |
|
2990 |
typedef struct PollingEntry { |
2991 |
PollingFunc *func; |
2992 |
void *opaque;
|
2993 |
struct PollingEntry *next;
|
2994 |
} PollingEntry; |
2995 |
|
2996 |
static PollingEntry *first_polling_entry;
|
2997 |
|
2998 |
int qemu_add_polling_cb(PollingFunc *func, void *opaque) |
2999 |
{ |
3000 |
PollingEntry **ppe, *pe; |
3001 |
pe = qemu_mallocz(sizeof(PollingEntry));
|
3002 |
pe->func = func; |
3003 |
pe->opaque = opaque; |
3004 |
for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next); |
3005 |
*ppe = pe; |
3006 |
return 0; |
3007 |
} |
3008 |
|
3009 |
void qemu_del_polling_cb(PollingFunc *func, void *opaque) |
3010 |
{ |
3011 |
PollingEntry **ppe, *pe; |
3012 |
for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next) { |
3013 |
pe = *ppe; |
3014 |
if (pe->func == func && pe->opaque == opaque) {
|
3015 |
*ppe = pe->next; |
3016 |
qemu_free(pe); |
3017 |
break;
|
3018 |
} |
3019 |
} |
3020 |
} |
3021 |
|
3022 |
/***********************************************************/
|
3023 |
/* Wait objects support */
|
3024 |
typedef struct WaitObjects { |
3025 |
int num;
|
3026 |
HANDLE events[MAXIMUM_WAIT_OBJECTS + 1];
|
3027 |
WaitObjectFunc *func[MAXIMUM_WAIT_OBJECTS + 1];
|
3028 |
void *opaque[MAXIMUM_WAIT_OBJECTS + 1]; |
3029 |
} WaitObjects; |
3030 |
|
3031 |
static WaitObjects wait_objects = {0}; |
3032 |
|
3033 |
int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque) |
3034 |
{ |
3035 |
WaitObjects *w = &wait_objects; |
3036 |
|
3037 |
if (w->num >= MAXIMUM_WAIT_OBJECTS)
|
3038 |
return -1; |
3039 |
w->events[w->num] = handle; |
3040 |
w->func[w->num] = func; |
3041 |
w->opaque[w->num] = opaque; |
3042 |
w->num++; |
3043 |
return 0; |
3044 |
} |
3045 |
|
3046 |
void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque) |
3047 |
{ |
3048 |
int i, found;
|
3049 |
WaitObjects *w = &wait_objects; |
3050 |
|
3051 |
found = 0;
|
3052 |
for (i = 0; i < w->num; i++) { |
3053 |
if (w->events[i] == handle)
|
3054 |
found = 1;
|
3055 |
if (found) {
|
3056 |
w->events[i] = w->events[i + 1];
|
3057 |
w->func[i] = w->func[i + 1];
|
3058 |
w->opaque[i] = w->opaque[i + 1];
|
3059 |
} |
3060 |
} |
3061 |
if (found)
|
3062 |
w->num--; |
3063 |
} |
3064 |
#endif
|
3065 |
|
3066 |
/***********************************************************/
|
3067 |
/* ram save/restore */
|
3068 |
|
3069 |
static int ram_get_page(QEMUFile *f, uint8_t *buf, int len) |
3070 |
{ |
3071 |
int v;
|
3072 |
|
3073 |
v = qemu_get_byte(f); |
3074 |
switch(v) {
|
3075 |
case 0: |
3076 |
if (qemu_get_buffer(f, buf, len) != len)
|
3077 |
return -EIO;
|
3078 |
break;
|
3079 |
case 1: |
3080 |
v = qemu_get_byte(f); |
3081 |
memset(buf, v, len); |
3082 |
break;
|
3083 |
default:
|
3084 |
return -EINVAL;
|
3085 |
} |
3086 |
|
3087 |
if (qemu_file_has_error(f))
|
3088 |
return -EIO;
|
3089 |
|
3090 |
return 0; |
3091 |
} |
3092 |
|
3093 |
static int ram_load_v1(QEMUFile *f, void *opaque) |
3094 |
{ |
3095 |
int ret;
|
3096 |
ram_addr_t i; |
3097 |
|
3098 |
if (qemu_get_be32(f) != last_ram_offset)
|
3099 |
return -EINVAL;
|
3100 |
for(i = 0; i < last_ram_offset; i+= TARGET_PAGE_SIZE) { |
3101 |
ret = ram_get_page(f, qemu_get_ram_ptr(i), TARGET_PAGE_SIZE); |
3102 |
if (ret)
|
3103 |
return ret;
|
3104 |
} |
3105 |
return 0; |
3106 |
} |
3107 |
|
3108 |
#define BDRV_HASH_BLOCK_SIZE 1024 |
3109 |
#define IOBUF_SIZE 4096 |
3110 |
#define RAM_CBLOCK_MAGIC 0xfabe |
3111 |
|
3112 |
typedef struct RamDecompressState { |
3113 |
z_stream zstream; |
3114 |
QEMUFile *f; |
3115 |
uint8_t buf[IOBUF_SIZE]; |
3116 |
} RamDecompressState; |
3117 |
|
3118 |
static int ram_decompress_open(RamDecompressState *s, QEMUFile *f) |
3119 |
{ |
3120 |
int ret;
|
3121 |
memset(s, 0, sizeof(*s)); |
3122 |
s->f = f; |
3123 |
ret = inflateInit(&s->zstream); |
3124 |
if (ret != Z_OK)
|
3125 |
return -1; |
3126 |
return 0; |
3127 |
} |
3128 |
|
3129 |
static int ram_decompress_buf(RamDecompressState *s, uint8_t *buf, int len) |
3130 |
{ |
3131 |
int ret, clen;
|
3132 |
|
3133 |
s->zstream.avail_out = len; |
3134 |
s->zstream.next_out = buf; |
3135 |
while (s->zstream.avail_out > 0) { |
3136 |
if (s->zstream.avail_in == 0) { |
3137 |
if (qemu_get_be16(s->f) != RAM_CBLOCK_MAGIC)
|
3138 |
return -1; |
3139 |
clen = qemu_get_be16(s->f); |
3140 |
if (clen > IOBUF_SIZE)
|
3141 |
return -1; |
3142 |
qemu_get_buffer(s->f, s->buf, clen); |
3143 |
s->zstream.avail_in = clen; |
3144 |
s->zstream.next_in = s->buf; |
3145 |
} |
3146 |
ret = inflate(&s->zstream, Z_PARTIAL_FLUSH); |
3147 |
if (ret != Z_OK && ret != Z_STREAM_END) {
|
3148 |
return -1; |
3149 |
} |
3150 |
} |
3151 |
return 0; |
3152 |
} |
3153 |
|
3154 |
static void ram_decompress_close(RamDecompressState *s) |
3155 |
{ |
3156 |
inflateEnd(&s->zstream); |
3157 |
} |
3158 |
|
3159 |
#define RAM_SAVE_FLAG_FULL 0x01 |
3160 |
#define RAM_SAVE_FLAG_COMPRESS 0x02 |
3161 |
#define RAM_SAVE_FLAG_MEM_SIZE 0x04 |
3162 |
#define RAM_SAVE_FLAG_PAGE 0x08 |
3163 |
#define RAM_SAVE_FLAG_EOS 0x10 |
3164 |
|
3165 |
static int is_dup_page(uint8_t *page, uint8_t ch) |
3166 |
{ |
3167 |
uint32_t val = ch << 24 | ch << 16 | ch << 8 | ch; |
3168 |
uint32_t *array = (uint32_t *)page; |
3169 |
int i;
|
3170 |
|
3171 |
for (i = 0; i < (TARGET_PAGE_SIZE / 4); i++) { |
3172 |
if (array[i] != val)
|
3173 |
return 0; |
3174 |
} |
3175 |
|
3176 |
return 1; |
3177 |
} |
3178 |
|
3179 |
static int ram_save_block(QEMUFile *f) |
3180 |
{ |
3181 |
static ram_addr_t current_addr = 0; |
3182 |
ram_addr_t saved_addr = current_addr; |
3183 |
ram_addr_t addr = 0;
|
3184 |
int found = 0; |
3185 |
|
3186 |
while (addr < last_ram_offset) {
|
3187 |
if (cpu_physical_memory_get_dirty(current_addr, MIGRATION_DIRTY_FLAG)) {
|
3188 |
uint8_t *p; |
3189 |
|
3190 |
cpu_physical_memory_reset_dirty(current_addr, |
3191 |
current_addr + TARGET_PAGE_SIZE, |
3192 |
MIGRATION_DIRTY_FLAG); |
3193 |
|
3194 |
p = qemu_get_ram_ptr(current_addr); |
3195 |
|
3196 |
if (is_dup_page(p, *p)) {
|
3197 |
qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_COMPRESS); |
3198 |
qemu_put_byte(f, *p); |
3199 |
} else {
|
3200 |
qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_PAGE); |
3201 |
qemu_put_buffer(f, p, TARGET_PAGE_SIZE); |
3202 |
} |
3203 |
|
3204 |
found = 1;
|
3205 |
break;
|
3206 |
} |
3207 |
addr += TARGET_PAGE_SIZE; |
3208 |
current_addr = (saved_addr + addr) % last_ram_offset; |
3209 |
} |
3210 |
|
3211 |
return found;
|
3212 |
} |
3213 |
|
3214 |
static ram_addr_t ram_save_threshold = 10; |
3215 |
|
3216 |
static ram_addr_t ram_save_remaining(void) |
3217 |
{ |
3218 |
ram_addr_t addr; |
3219 |
ram_addr_t count = 0;
|
3220 |
|
3221 |
for (addr = 0; addr < last_ram_offset; addr += TARGET_PAGE_SIZE) { |
3222 |
if (cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG))
|
3223 |
count++; |
3224 |
} |
3225 |
|
3226 |
return count;
|
3227 |
} |
3228 |
|
3229 |
static int ram_save_live(QEMUFile *f, int stage, void *opaque) |
3230 |
{ |
3231 |
ram_addr_t addr; |
3232 |
|
3233 |
if (stage == 1) { |
3234 |
/* Make sure all dirty bits are set */
|
3235 |
for (addr = 0; addr < last_ram_offset; addr += TARGET_PAGE_SIZE) { |
3236 |
if (!cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG))
|
3237 |
cpu_physical_memory_set_dirty(addr); |
3238 |
} |
3239 |
|
3240 |
/* Enable dirty memory tracking */
|
3241 |
cpu_physical_memory_set_dirty_tracking(1);
|
3242 |
|
3243 |
qemu_put_be64(f, last_ram_offset | RAM_SAVE_FLAG_MEM_SIZE); |
3244 |
} |
3245 |
|
3246 |
while (!qemu_file_rate_limit(f)) {
|
3247 |
int ret;
|
3248 |
|
3249 |
ret = ram_save_block(f); |
3250 |
if (ret == 0) /* no more blocks */ |
3251 |
break;
|
3252 |
} |
3253 |
|
3254 |
/* try transferring iterative blocks of memory */
|
3255 |
|
3256 |
if (stage == 3) { |
3257 |
|
3258 |
/* flush all remaining blocks regardless of rate limiting */
|
3259 |
while (ram_save_block(f) != 0); |
3260 |
cpu_physical_memory_set_dirty_tracking(0);
|
3261 |
} |
3262 |
|
3263 |
qemu_put_be64(f, RAM_SAVE_FLAG_EOS); |
3264 |
|
3265 |
return (stage == 2) && (ram_save_remaining() < ram_save_threshold); |
3266 |
} |
3267 |
|
3268 |
static int ram_load_dead(QEMUFile *f, void *opaque) |
3269 |
{ |
3270 |
RamDecompressState s1, *s = &s1; |
3271 |
uint8_t buf[10];
|
3272 |
ram_addr_t i; |
3273 |
|
3274 |
if (ram_decompress_open(s, f) < 0) |
3275 |
return -EINVAL;
|
3276 |
for(i = 0; i < last_ram_offset; i+= BDRV_HASH_BLOCK_SIZE) { |
3277 |
if (ram_decompress_buf(s, buf, 1) < 0) { |
3278 |
fprintf(stderr, "Error while reading ram block header\n");
|
3279 |
goto error;
|
3280 |
} |
3281 |
if (buf[0] == 0) { |
3282 |
if (ram_decompress_buf(s, qemu_get_ram_ptr(i),
|
3283 |
BDRV_HASH_BLOCK_SIZE) < 0) {
|
3284 |
fprintf(stderr, "Error while reading ram block address=0x%08" PRIx64, (uint64_t)i);
|
3285 |
goto error;
|
3286 |
} |
3287 |
} else {
|
3288 |
error:
|
3289 |
printf("Error block header\n");
|
3290 |
return -EINVAL;
|
3291 |
} |
3292 |
} |
3293 |
ram_decompress_close(s); |
3294 |
|
3295 |
return 0; |
3296 |
} |
3297 |
|
3298 |
static int ram_load(QEMUFile *f, void *opaque, int version_id) |
3299 |
{ |
3300 |
ram_addr_t addr; |
3301 |
int flags;
|
3302 |
|
3303 |
if (version_id == 1) |
3304 |
return ram_load_v1(f, opaque);
|
3305 |
|
3306 |
if (version_id == 2) { |
3307 |
if (qemu_get_be32(f) != last_ram_offset)
|
3308 |
return -EINVAL;
|
3309 |
return ram_load_dead(f, opaque);
|
3310 |
} |
3311 |
|
3312 |
if (version_id != 3) |
3313 |
return -EINVAL;
|
3314 |
|
3315 |
do {
|
3316 |
addr = qemu_get_be64(f); |
3317 |
|
3318 |
flags = addr & ~TARGET_PAGE_MASK; |
3319 |
addr &= TARGET_PAGE_MASK; |
3320 |
|
3321 |
if (flags & RAM_SAVE_FLAG_MEM_SIZE) {
|
3322 |
if (addr != last_ram_offset)
|
3323 |
return -EINVAL;
|
3324 |
} |
3325 |
|
3326 |
if (flags & RAM_SAVE_FLAG_FULL) {
|
3327 |
if (ram_load_dead(f, opaque) < 0) |
3328 |
return -EINVAL;
|
3329 |
} |
3330 |
|
3331 |
if (flags & RAM_SAVE_FLAG_COMPRESS) {
|
3332 |
uint8_t ch = qemu_get_byte(f); |
3333 |
memset(qemu_get_ram_ptr(addr), ch, TARGET_PAGE_SIZE); |
3334 |
} else if (flags & RAM_SAVE_FLAG_PAGE) |
3335 |
qemu_get_buffer(f, qemu_get_ram_ptr(addr), TARGET_PAGE_SIZE); |
3336 |
} while (!(flags & RAM_SAVE_FLAG_EOS));
|
3337 |
|
3338 |
return 0; |
3339 |
} |
3340 |
|
3341 |
void qemu_service_io(void) |
3342 |
{ |
3343 |
CPUState *env = cpu_single_env; |
3344 |
if (env) {
|
3345 |
cpu_exit(env); |
3346 |
#ifdef CONFIG_KQEMU
|
3347 |
if (env->kqemu_enabled) {
|
3348 |
kqemu_cpu_interrupt(env); |
3349 |
} |
3350 |
#endif
|
3351 |
} |
3352 |
} |
3353 |
|
3354 |
/***********************************************************/
|
3355 |
/* bottom halves (can be seen as timers which expire ASAP) */
|
3356 |
|
3357 |
struct QEMUBH {
|
3358 |
QEMUBHFunc *cb; |
3359 |
void *opaque;
|
3360 |
int scheduled;
|
3361 |
int idle;
|
3362 |
int deleted;
|
3363 |
QEMUBH *next; |
3364 |
}; |
3365 |
|
3366 |
static QEMUBH *first_bh = NULL; |
3367 |
|
3368 |
QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque)
|
3369 |
{ |
3370 |
QEMUBH *bh; |
3371 |
bh = qemu_mallocz(sizeof(QEMUBH));
|
3372 |
bh->cb = cb; |
3373 |
bh->opaque = opaque; |
3374 |
bh->next = first_bh; |
3375 |
first_bh = bh; |
3376 |
return bh;
|
3377 |
} |
3378 |
|
3379 |
int qemu_bh_poll(void) |
3380 |
{ |
3381 |
QEMUBH *bh, **bhp; |
3382 |
int ret;
|
3383 |
|
3384 |
ret = 0;
|
3385 |
for (bh = first_bh; bh; bh = bh->next) {
|
3386 |
if (!bh->deleted && bh->scheduled) {
|
3387 |
bh->scheduled = 0;
|
3388 |
if (!bh->idle)
|
3389 |
ret = 1;
|
3390 |
bh->idle = 0;
|
3391 |
bh->cb(bh->opaque); |
3392 |
} |
3393 |
} |
3394 |
|
3395 |
/* remove deleted bhs */
|
3396 |
bhp = &first_bh; |
3397 |
while (*bhp) {
|
3398 |
bh = *bhp; |
3399 |
if (bh->deleted) {
|
3400 |
*bhp = bh->next; |
3401 |
qemu_free(bh); |
3402 |
} else
|
3403 |
bhp = &bh->next; |
3404 |
} |
3405 |
|
3406 |
return ret;
|
3407 |
} |
3408 |
|
3409 |
void qemu_bh_schedule_idle(QEMUBH *bh)
|
3410 |
{ |
3411 |
if (bh->scheduled)
|
3412 |
return;
|
3413 |
bh->scheduled = 1;
|
3414 |
bh->idle = 1;
|
3415 |
} |
3416 |
|
3417 |
void qemu_bh_schedule(QEMUBH *bh)
|
3418 |
{ |
3419 |
CPUState *env = cpu_single_env; |
3420 |
if (bh->scheduled)
|
3421 |
return;
|
3422 |
bh->scheduled = 1;
|
3423 |
bh->idle = 0;
|
3424 |
/* stop the currently executing CPU to execute the BH ASAP */
|
3425 |
if (env) {
|
3426 |
cpu_exit(env); |
3427 |
} |
3428 |
} |
3429 |
|
3430 |
void qemu_bh_cancel(QEMUBH *bh)
|
3431 |
{ |
3432 |
bh->scheduled = 0;
|
3433 |
} |
3434 |
|
3435 |
void qemu_bh_delete(QEMUBH *bh)
|
3436 |
{ |
3437 |
bh->scheduled = 0;
|
3438 |
bh->deleted = 1;
|
3439 |
} |
3440 |
|
3441 |
static void qemu_bh_update_timeout(int *timeout) |
3442 |
{ |
3443 |
QEMUBH *bh; |
3444 |
|
3445 |
for (bh = first_bh; bh; bh = bh->next) {
|
3446 |
if (!bh->deleted && bh->scheduled) {
|
3447 |
if (bh->idle) {
|
3448 |
/* idle bottom halves will be polled at least
|
3449 |
* every 10ms */
|
3450 |
*timeout = MIN(10, *timeout);
|
3451 |
} else {
|
3452 |
/* non-idle bottom halves will be executed
|
3453 |
* immediately */
|
3454 |
*timeout = 0;
|
3455 |
break;
|
3456 |
} |
3457 |
} |
3458 |
} |
3459 |
} |
3460 |
|
3461 |
/***********************************************************/
|
3462 |
/* machine registration */
|
3463 |
|
3464 |
static QEMUMachine *first_machine = NULL; |
3465 |
QEMUMachine *current_machine = NULL;
|
3466 |
|
3467 |
int qemu_register_machine(QEMUMachine *m)
|
3468 |
{ |
3469 |
QEMUMachine **pm; |
3470 |
pm = &first_machine; |
3471 |
while (*pm != NULL) |
3472 |
pm = &(*pm)->next; |
3473 |
m->next = NULL;
|
3474 |
*pm = m; |
3475 |
return 0; |
3476 |
} |
3477 |
|
3478 |
static QEMUMachine *find_machine(const char *name) |
3479 |
{ |
3480 |
QEMUMachine *m; |
3481 |
|
3482 |
for(m = first_machine; m != NULL; m = m->next) { |
3483 |
if (!strcmp(m->name, name))
|
3484 |
return m;
|
3485 |
} |
3486 |
return NULL; |
3487 |
} |
3488 |
|
3489 |
/***********************************************************/
|
3490 |
/* main execution loop */
|
3491 |
|
3492 |
static void gui_update(void *opaque) |
3493 |
{ |
3494 |
uint64_t interval = GUI_REFRESH_INTERVAL; |
3495 |
DisplayState *ds = opaque; |
3496 |
DisplayChangeListener *dcl = ds->listeners; |
3497 |
|
3498 |
dpy_refresh(ds); |
3499 |
|
3500 |
while (dcl != NULL) { |
3501 |
if (dcl->gui_timer_interval &&
|
3502 |
dcl->gui_timer_interval < interval) |
3503 |
interval = dcl->gui_timer_interval; |
3504 |
dcl = dcl->next; |
3505 |
} |
3506 |
qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock(rt_clock)); |
3507 |
} |
3508 |
|
3509 |
static void nographic_update(void *opaque) |
3510 |
{ |
3511 |
uint64_t interval = GUI_REFRESH_INTERVAL; |
3512 |
|
3513 |
qemu_mod_timer(nographic_timer, interval + qemu_get_clock(rt_clock)); |
3514 |
} |
3515 |
|
3516 |
struct vm_change_state_entry {
|
3517 |
VMChangeStateHandler *cb; |
3518 |
void *opaque;
|
3519 |
LIST_ENTRY (vm_change_state_entry) entries; |
3520 |
}; |
3521 |
|
3522 |
static LIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
|
3523 |
|
3524 |
VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb, |
3525 |
void *opaque)
|
3526 |
{ |
3527 |
VMChangeStateEntry *e; |
3528 |
|
3529 |
e = qemu_mallocz(sizeof (*e));
|
3530 |
|
3531 |
e->cb = cb; |
3532 |
e->opaque = opaque; |
3533 |
LIST_INSERT_HEAD(&vm_change_state_head, e, entries); |
3534 |
return e;
|
3535 |
} |
3536 |
|
3537 |
void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
|
3538 |
{ |
3539 |
LIST_REMOVE (e, entries); |
3540 |
qemu_free (e); |
3541 |
} |
3542 |
|
3543 |
static void vm_state_notify(int running, int reason) |
3544 |
{ |
3545 |
VMChangeStateEntry *e; |
3546 |
|
3547 |
for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
|
3548 |
e->cb(e->opaque, running, reason); |
3549 |
} |
3550 |
} |
3551 |
|
3552 |
void vm_start(void) |
3553 |
{ |
3554 |
if (!vm_running) {
|
3555 |
cpu_enable_ticks(); |
3556 |
vm_running = 1;
|
3557 |
vm_state_notify(1, 0); |
3558 |
qemu_rearm_alarm_timer(alarm_timer); |
3559 |
} |
3560 |
} |
3561 |
|
3562 |
void vm_stop(int reason) |
3563 |
{ |
3564 |
if (vm_running) {
|
3565 |
cpu_disable_ticks(); |
3566 |
vm_running = 0;
|
3567 |
vm_state_notify(0, reason);
|
3568 |
} |
3569 |
} |
3570 |
|
3571 |
/* reset/shutdown handler */
|
3572 |
|
3573 |
typedef struct QEMUResetEntry { |
3574 |
QEMUResetHandler *func; |
3575 |
void *opaque;
|
3576 |
struct QEMUResetEntry *next;
|
3577 |
} QEMUResetEntry; |
3578 |
|
3579 |
static QEMUResetEntry *first_reset_entry;
|
3580 |
static int reset_requested; |
3581 |
static int shutdown_requested; |
3582 |
static int powerdown_requested; |
3583 |
|
3584 |
int qemu_shutdown_requested(void) |
3585 |
{ |
3586 |
int r = shutdown_requested;
|
3587 |
shutdown_requested = 0;
|
3588 |
return r;
|
3589 |
} |
3590 |
|
3591 |
int qemu_reset_requested(void) |
3592 |
{ |
3593 |
int r = reset_requested;
|
3594 |
reset_requested = 0;
|
3595 |
return r;
|
3596 |
} |
3597 |
|
3598 |
int qemu_powerdown_requested(void) |
3599 |
{ |
3600 |
int r = powerdown_requested;
|
3601 |
powerdown_requested = 0;
|
3602 |
return r;
|
3603 |
} |
3604 |
|
3605 |
void qemu_register_reset(QEMUResetHandler *func, void *opaque) |
3606 |
{ |
3607 |
QEMUResetEntry **pre, *re; |
3608 |
|
3609 |
pre = &first_reset_entry; |
3610 |
while (*pre != NULL) |
3611 |
pre = &(*pre)->next; |
3612 |
re = qemu_mallocz(sizeof(QEMUResetEntry));
|
3613 |
re->func = func; |
3614 |
re->opaque = opaque; |
3615 |
re->next = NULL;
|
3616 |
*pre = re; |
3617 |
} |
3618 |
|
3619 |
void qemu_system_reset(void) |
3620 |
{ |
3621 |
QEMUResetEntry *re; |
3622 |
|
3623 |
/* reset all devices */
|
3624 |
for(re = first_reset_entry; re != NULL; re = re->next) { |
3625 |
re->func(re->opaque); |
3626 |
} |
3627 |
if (kvm_enabled())
|
3628 |
kvm_sync_vcpus(); |
3629 |
} |
3630 |
|
3631 |
void qemu_system_reset_request(void) |
3632 |
{ |
3633 |
if (no_reboot) {
|
3634 |
shutdown_requested = 1;
|
3635 |
} else {
|
3636 |
reset_requested = 1;
|
3637 |
} |
3638 |
if (cpu_single_env)
|
3639 |
cpu_exit(cpu_single_env); |
3640 |
} |
3641 |
|
3642 |
void qemu_system_shutdown_request(void) |
3643 |
{ |
3644 |
shutdown_requested = 1;
|
3645 |
if (cpu_single_env)
|
3646 |
cpu_exit(cpu_single_env); |
3647 |
} |
3648 |
|
3649 |
void qemu_system_powerdown_request(void) |
3650 |
{ |
3651 |
powerdown_requested = 1;
|
3652 |
if (cpu_single_env)
|
3653 |
cpu_exit(cpu_single_env); |
3654 |
} |
3655 |
|
3656 |
#ifdef _WIN32
|
3657 |
static void host_main_loop_wait(int *timeout) |
3658 |
{ |
3659 |
int ret, ret2, i;
|
3660 |
PollingEntry *pe; |
3661 |
|
3662 |
|
3663 |
/* XXX: need to suppress polling by better using win32 events */
|
3664 |
ret = 0;
|
3665 |
for(pe = first_polling_entry; pe != NULL; pe = pe->next) { |
3666 |
ret |= pe->func(pe->opaque); |
3667 |
} |
3668 |
if (ret == 0) { |
3669 |
int err;
|
3670 |
WaitObjects *w = &wait_objects; |
3671 |
|
3672 |
ret = WaitForMultipleObjects(w->num, w->events, FALSE, *timeout); |
3673 |
if (WAIT_OBJECT_0 + 0 <= ret && ret <= WAIT_OBJECT_0 + w->num - 1) { |
3674 |
if (w->func[ret - WAIT_OBJECT_0])
|
3675 |
w->func[ret - WAIT_OBJECT_0](w->opaque[ret - WAIT_OBJECT_0]); |
3676 |
|
3677 |
/* Check for additional signaled events */
|
3678 |
for(i = (ret - WAIT_OBJECT_0 + 1); i < w->num; i++) { |
3679 |
|
3680 |
/* Check if event is signaled */
|
3681 |
ret2 = WaitForSingleObject(w->events[i], 0);
|
3682 |
if(ret2 == WAIT_OBJECT_0) {
|
3683 |
if (w->func[i])
|
3684 |
w->func[i](w->opaque[i]); |
3685 |
} else if (ret2 == WAIT_TIMEOUT) { |
3686 |
} else {
|
3687 |
err = GetLastError(); |
3688 |
fprintf(stderr, "WaitForSingleObject error %d %d\n", i, err);
|
3689 |
} |
3690 |
} |
3691 |
} else if (ret == WAIT_TIMEOUT) { |
3692 |
} else {
|
3693 |
err = GetLastError(); |
3694 |
fprintf(stderr, "WaitForMultipleObjects error %d %d\n", ret, err);
|
3695 |
} |
3696 |
} |
3697 |
|
3698 |
*timeout = 0;
|
3699 |
} |
3700 |
#else
|
3701 |
static void host_main_loop_wait(int *timeout) |
3702 |
{ |
3703 |
} |
3704 |
#endif
|
3705 |
|
3706 |
void main_loop_wait(int timeout) |
3707 |
{ |
3708 |
IOHandlerRecord *ioh; |
3709 |
fd_set rfds, wfds, xfds; |
3710 |
int ret, nfds;
|
3711 |
struct timeval tv;
|
3712 |
|
3713 |
qemu_bh_update_timeout(&timeout); |
3714 |
|
3715 |
host_main_loop_wait(&timeout); |
3716 |
|
3717 |
/* poll any events */
|
3718 |
/* XXX: separate device handlers from system ones */
|
3719 |
nfds = -1;
|
3720 |
FD_ZERO(&rfds); |
3721 |
FD_ZERO(&wfds); |
3722 |
FD_ZERO(&xfds); |
3723 |
for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { |
3724 |
if (ioh->deleted)
|
3725 |
continue;
|
3726 |
if (ioh->fd_read &&
|
3727 |
(!ioh->fd_read_poll || |
3728 |
ioh->fd_read_poll(ioh->opaque) != 0)) {
|
3729 |
FD_SET(ioh->fd, &rfds); |
3730 |
if (ioh->fd > nfds)
|
3731 |
nfds = ioh->fd; |
3732 |
} |
3733 |
if (ioh->fd_write) {
|
3734 |
FD_SET(ioh->fd, &wfds); |
3735 |
if (ioh->fd > nfds)
|
3736 |
nfds = ioh->fd; |
3737 |
} |
3738 |
} |
3739 |
|
3740 |
tv.tv_sec = timeout / 1000;
|
3741 |
tv.tv_usec = (timeout % 1000) * 1000; |
3742 |
|
3743 |
#if defined(CONFIG_SLIRP)
|
3744 |
if (slirp_is_inited()) {
|
3745 |
slirp_select_fill(&nfds, &rfds, &wfds, &xfds); |
3746 |
} |
3747 |
#endif
|
3748 |
ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
|
3749 |
if (ret > 0) { |
3750 |
IOHandlerRecord **pioh; |
3751 |
|
3752 |
for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { |
3753 |
if (!ioh->deleted && ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) {
|
3754 |
ioh->fd_read(ioh->opaque); |
3755 |
} |
3756 |
if (!ioh->deleted && ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) {
|
3757 |
ioh->fd_write(ioh->opaque); |
3758 |
} |
3759 |
} |
3760 |
|
3761 |
/* remove deleted IO handlers */
|
3762 |
pioh = &first_io_handler; |
3763 |
while (*pioh) {
|
3764 |
ioh = *pioh; |
3765 |
if (ioh->deleted) {
|
3766 |
*pioh = ioh->next; |
3767 |
qemu_free(ioh); |
3768 |
} else
|
3769 |
pioh = &ioh->next; |
3770 |
} |
3771 |
} |
3772 |
#if defined(CONFIG_SLIRP)
|
3773 |
if (slirp_is_inited()) {
|
3774 |
if (ret < 0) { |
3775 |
FD_ZERO(&rfds); |
3776 |
FD_ZERO(&wfds); |
3777 |
FD_ZERO(&xfds); |
3778 |
} |
3779 |
slirp_select_poll(&rfds, &wfds, &xfds); |
3780 |
} |
3781 |
#endif
|
3782 |
|
3783 |
/* vm time timers */
|
3784 |
if (vm_running && likely(!(cur_cpu->singlestep_enabled & SSTEP_NOTIMER)))
|
3785 |
qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL], |
3786 |
qemu_get_clock(vm_clock)); |
3787 |
|
3788 |
/* real time timers */
|
3789 |
qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME], |
3790 |
qemu_get_clock(rt_clock)); |
3791 |
|
3792 |
/* Check bottom-halves last in case any of the earlier events triggered
|
3793 |
them. */
|
3794 |
qemu_bh_poll(); |
3795 |
|
3796 |
} |
3797 |
|
3798 |
static int main_loop(void) |
3799 |
{ |
3800 |
int ret, timeout;
|
3801 |
#ifdef CONFIG_PROFILER
|
3802 |
int64_t ti; |
3803 |
#endif
|
3804 |
CPUState *env; |
3805 |
|
3806 |
cur_cpu = first_cpu; |
3807 |
next_cpu = cur_cpu->next_cpu ?: first_cpu; |
3808 |
for(;;) {
|
3809 |
if (vm_running) {
|
3810 |
|
3811 |
for(;;) {
|
3812 |
/* get next cpu */
|
3813 |
env = next_cpu; |
3814 |
#ifdef CONFIG_PROFILER
|
3815 |
ti = profile_getclock(); |
3816 |
#endif
|
3817 |
if (use_icount) {
|
3818 |
int64_t count; |
3819 |
int decr;
|
3820 |
qemu_icount -= (env->icount_decr.u16.low + env->icount_extra); |
3821 |
env->icount_decr.u16.low = 0;
|
3822 |
env->icount_extra = 0;
|
3823 |
count = qemu_next_deadline(); |
3824 |
count = (count + (1 << icount_time_shift) - 1) |
3825 |
>> icount_time_shift; |
3826 |
qemu_icount += count; |
3827 |
decr = (count > 0xffff) ? 0xffff : count; |
3828 |
count -= decr; |
3829 |
env->icount_decr.u16.low = decr; |
3830 |
env->icount_extra = count; |
3831 |
} |
3832 |
ret = cpu_exec(env); |
3833 |
#ifdef CONFIG_PROFILER
|
3834 |
qemu_time += profile_getclock() - ti; |
3835 |
#endif
|
3836 |
if (use_icount) {
|
3837 |
/* Fold pending instructions back into the
|
3838 |
instruction counter, and clear the interrupt flag. */
|
3839 |
qemu_icount -= (env->icount_decr.u16.low |
3840 |
+ env->icount_extra); |
3841 |
env->icount_decr.u32 = 0;
|
3842 |
env->icount_extra = 0;
|
3843 |
} |
3844 |
next_cpu = env->next_cpu ?: first_cpu; |
3845 |
if (event_pending && likely(ret != EXCP_DEBUG)) {
|
3846 |
ret = EXCP_INTERRUPT; |
3847 |
event_pending = 0;
|
3848 |
break;
|
3849 |
} |
3850 |
if (ret == EXCP_HLT) {
|
3851 |
/* Give the next CPU a chance to run. */
|
3852 |
cur_cpu = env; |
3853 |
continue;
|
3854 |
} |
3855 |
if (ret != EXCP_HALTED)
|
3856 |
break;
|
3857 |
/* all CPUs are halted ? */
|
3858 |
if (env == cur_cpu)
|
3859 |
break;
|
3860 |
} |
3861 |
cur_cpu = env; |
3862 |
|
3863 |
if (shutdown_requested) {
|
3864 |
ret = EXCP_INTERRUPT; |
3865 |
if (no_shutdown) {
|
3866 |
vm_stop(0);
|
3867 |
no_shutdown = 0;
|
3868 |
} |
3869 |
else
|
3870 |
break;
|
3871 |
} |
3872 |
if (reset_requested) {
|
3873 |
reset_requested = 0;
|
3874 |
qemu_system_reset(); |
3875 |
ret = EXCP_INTERRUPT; |
3876 |
} |
3877 |
if (powerdown_requested) {
|
3878 |
powerdown_requested = 0;
|
3879 |
qemu_system_powerdown(); |
3880 |
ret = EXCP_INTERRUPT; |
3881 |
} |
3882 |
if (unlikely(ret == EXCP_DEBUG)) {
|
3883 |
gdb_set_stop_cpu(cur_cpu); |
3884 |
vm_stop(EXCP_DEBUG); |
3885 |
} |
3886 |
/* If all cpus are halted then wait until the next IRQ */
|
3887 |
/* XXX: use timeout computed from timers */
|
3888 |
if (ret == EXCP_HALTED) {
|
3889 |
if (use_icount) {
|
3890 |
int64_t add; |
3891 |
int64_t delta; |
3892 |
/* Advance virtual time to the next event. */
|
3893 |
if (use_icount == 1) { |
3894 |
/* When not using an adaptive execution frequency
|
3895 |
we tend to get badly out of sync with real time,
|
3896 |
so just delay for a reasonable amount of time. */
|
3897 |
delta = 0;
|
3898 |
} else {
|
3899 |
delta = cpu_get_icount() - cpu_get_clock(); |
3900 |
} |
3901 |
if (delta > 0) { |
3902 |
/* If virtual time is ahead of real time then just
|
3903 |
wait for IO. */
|
3904 |
timeout = (delta / 1000000) + 1; |
3905 |
} else {
|
3906 |
/* Wait for either IO to occur or the next
|
3907 |
timer event. */
|
3908 |
add = qemu_next_deadline(); |
3909 |
/* We advance the timer before checking for IO.
|
3910 |
Limit the amount we advance so that early IO
|
3911 |
activity won't get the guest too far ahead. */
|
3912 |
if (add > 10000000) |
3913 |
add = 10000000;
|
3914 |
delta += add; |
3915 |
add = (add + (1 << icount_time_shift) - 1) |
3916 |
>> icount_time_shift; |
3917 |
qemu_icount += add; |
3918 |
timeout = delta / 1000000;
|
3919 |
if (timeout < 0) |
3920 |
timeout = 0;
|
3921 |
} |
3922 |
} else {
|
3923 |
timeout = 5000;
|
3924 |
} |
3925 |
} else {
|
3926 |
timeout = 0;
|
3927 |
} |
3928 |
} else {
|
3929 |
if (shutdown_requested) {
|
3930 |
ret = EXCP_INTERRUPT; |
3931 |
break;
|
3932 |
} |
3933 |
timeout = 5000;
|
3934 |
} |
3935 |
#ifdef CONFIG_PROFILER
|
3936 |
ti = profile_getclock(); |
3937 |
#endif
|
3938 |
main_loop_wait(timeout); |
3939 |
#ifdef CONFIG_PROFILER
|
3940 |
dev_time += profile_getclock() - ti; |
3941 |
#endif
|
3942 |
} |
3943 |
cpu_disable_ticks(); |
3944 |
return ret;
|
3945 |
} |
3946 |
|
3947 |
static void version(void) |
3948 |
{ |
3949 |
printf("QEMU PC emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n"); |
3950 |
} |
3951 |
|
3952 |
static void help(int exitcode) |
3953 |
{ |
3954 |
version(); |
3955 |
printf("usage: %s [options] [disk_image]\n"
|
3956 |
"\n"
|
3957 |
"'disk_image' is a raw hard image image for IDE hard disk 0\n"
|
3958 |
"\n"
|
3959 |
#define DEF(option, opt_arg, opt_enum, opt_help) \
|
3960 |
opt_help |
3961 |
#define DEFHEADING(text) stringify(text) "\n" |
3962 |
#include "qemu-options.h" |
3963 |
#undef DEF
|
3964 |
#undef DEFHEADING
|
3965 |
#undef GEN_DOCS
|
3966 |
"\n"
|
3967 |
"During emulation, the following keys are useful:\n"
|
3968 |
"ctrl-alt-f toggle full screen\n"
|
3969 |
"ctrl-alt-n switch to virtual console 'n'\n"
|
3970 |
"ctrl-alt toggle mouse and keyboard grab\n"
|
3971 |
"\n"
|
3972 |
"When using -nographic, press 'ctrl-a h' to get some help.\n"
|
3973 |
, |
3974 |
"qemu",
|
3975 |
DEFAULT_RAM_SIZE, |
3976 |
#ifndef _WIN32
|
3977 |
DEFAULT_NETWORK_SCRIPT, |
3978 |
DEFAULT_NETWORK_DOWN_SCRIPT, |
3979 |
#endif
|
3980 |
DEFAULT_GDBSTUB_PORT, |
3981 |
"/tmp/qemu.log");
|
3982 |
exit(exitcode); |
3983 |
} |
3984 |
|
3985 |
#define HAS_ARG 0x0001 |
3986 |
|
3987 |
enum {
|
3988 |
#define DEF(option, opt_arg, opt_enum, opt_help) \
|
3989 |
opt_enum, |
3990 |
#define DEFHEADING(text)
|
3991 |
#include "qemu-options.h" |
3992 |
#undef DEF
|
3993 |
#undef DEFHEADING
|
3994 |
#undef GEN_DOCS
|
3995 |
}; |
3996 |
|
3997 |
typedef struct QEMUOption { |
3998 |
const char *name; |
3999 |
int flags;
|
4000 |
int index;
|
4001 |
} QEMUOption; |
4002 |
|
4003 |
static const QEMUOption qemu_options[] = { |
4004 |
{ "h", 0, QEMU_OPTION_h }, |
4005 |
#define DEF(option, opt_arg, opt_enum, opt_help) \
|
4006 |
{ option, opt_arg, opt_enum }, |
4007 |
#define DEFHEADING(text)
|
4008 |
#include "qemu-options.h" |
4009 |
#undef DEF
|
4010 |
#undef DEFHEADING
|
4011 |
#undef GEN_DOCS
|
4012 |
{ NULL },
|
4013 |
}; |
4014 |
|
4015 |
#ifdef HAS_AUDIO
|
4016 |
struct soundhw soundhw[] = {
|
4017 |
#ifdef HAS_AUDIO_CHOICE
|
4018 |
#if defined(TARGET_I386) || defined(TARGET_MIPS)
|
4019 |
{ |
4020 |
"pcspk",
|
4021 |
"PC speaker",
|
4022 |
0,
|
4023 |
1,
|
4024 |
{ .init_isa = pcspk_audio_init } |
4025 |
}, |
4026 |
#endif
|
4027 |
|
4028 |
#ifdef CONFIG_SB16
|
4029 |
{ |
4030 |
"sb16",
|
4031 |
"Creative Sound Blaster 16",
|
4032 |
0,
|
4033 |
1,
|
4034 |
{ .init_isa = SB16_init } |
4035 |
}, |
4036 |
#endif
|
4037 |
|
4038 |
#ifdef CONFIG_CS4231A
|
4039 |
{ |
4040 |
"cs4231a",
|
4041 |
"CS4231A",
|
4042 |
0,
|
4043 |
1,
|
4044 |
{ .init_isa = cs4231a_init } |
4045 |
}, |
4046 |
#endif
|
4047 |
|
4048 |
#ifdef CONFIG_ADLIB
|
4049 |
{ |
4050 |
"adlib",
|
4051 |
#ifdef HAS_YMF262
|
4052 |
"Yamaha YMF262 (OPL3)",
|
4053 |
#else
|
4054 |
"Yamaha YM3812 (OPL2)",
|
4055 |
#endif
|
4056 |
0,
|
4057 |
1,
|
4058 |
{ .init_isa = Adlib_init } |
4059 |
}, |
4060 |
#endif
|
4061 |
|
4062 |
#ifdef CONFIG_GUS
|
4063 |
{ |
4064 |
"gus",
|
4065 |
"Gravis Ultrasound GF1",
|
4066 |
0,
|
4067 |
1,
|
4068 |
{ .init_isa = GUS_init } |
4069 |
}, |
4070 |
#endif
|
4071 |
|
4072 |
#ifdef CONFIG_AC97
|
4073 |
{ |
4074 |
"ac97",
|
4075 |
"Intel 82801AA AC97 Audio",
|
4076 |
0,
|
4077 |
0,
|
4078 |
{ .init_pci = ac97_init } |
4079 |
}, |
4080 |
#endif
|
4081 |
|
4082 |
#ifdef CONFIG_ES1370
|
4083 |
{ |
4084 |
"es1370",
|
4085 |
"ENSONIQ AudioPCI ES1370",
|
4086 |
0,
|
4087 |
0,
|
4088 |
{ .init_pci = es1370_init } |
4089 |
}, |
4090 |
#endif
|
4091 |
|
4092 |
#endif /* HAS_AUDIO_CHOICE */ |
4093 |
|
4094 |
{ NULL, NULL, 0, 0, { NULL } } |
4095 |
}; |
4096 |
|
4097 |
static void select_soundhw (const char *optarg) |
4098 |
{ |
4099 |
struct soundhw *c;
|
4100 |
|
4101 |
if (*optarg == '?') { |
4102 |
show_valid_cards:
|
4103 |
|
4104 |
printf ("Valid sound card names (comma separated):\n");
|
4105 |
for (c = soundhw; c->name; ++c) {
|
4106 |
printf ("%-11s %s\n", c->name, c->descr);
|
4107 |
} |
4108 |
printf ("\n-soundhw all will enable all of the above\n");
|
4109 |
exit (*optarg != '?');
|
4110 |
} |
4111 |
else {
|
4112 |
size_t l; |
4113 |
const char *p; |
4114 |
char *e;
|
4115 |
int bad_card = 0; |
4116 |
|
4117 |
if (!strcmp (optarg, "all")) { |
4118 |
for (c = soundhw; c->name; ++c) {
|
4119 |
c->enabled = 1;
|
4120 |
} |
4121 |
return;
|
4122 |
} |
4123 |
|
4124 |
p = optarg; |
4125 |
while (*p) {
|
4126 |
e = strchr (p, ',');
|
4127 |
l = !e ? strlen (p) : (size_t) (e - p); |
4128 |
|
4129 |
for (c = soundhw; c->name; ++c) {
|
4130 |
if (!strncmp (c->name, p, l)) {
|
4131 |
c->enabled = 1;
|
4132 |
break;
|
4133 |
} |
4134 |
} |
4135 |
|
4136 |
if (!c->name) {
|
4137 |
if (l > 80) { |
4138 |
fprintf (stderr, |
4139 |
"Unknown sound card name (too big to show)\n");
|
4140 |
} |
4141 |
else {
|
4142 |
fprintf (stderr, "Unknown sound card name `%.*s'\n",
|
4143 |
(int) l, p);
|
4144 |
} |
4145 |
bad_card = 1;
|
4146 |
} |
4147 |
p += l + (e != NULL);
|
4148 |
} |
4149 |
|
4150 |
if (bad_card)
|
4151 |
goto show_valid_cards;
|
4152 |
} |
4153 |
} |
4154 |
#endif
|
4155 |
|
4156 |
static void select_vgahw (const char *p) |
4157 |
{ |
4158 |
const char *opts; |
4159 |
|
4160 |
if (strstart(p, "std", &opts)) { |
4161 |
std_vga_enabled = 1;
|
4162 |
cirrus_vga_enabled = 0;
|
4163 |
vmsvga_enabled = 0;
|
4164 |
} else if (strstart(p, "cirrus", &opts)) { |
4165 |
cirrus_vga_enabled = 1;
|
4166 |
std_vga_enabled = 0;
|
4167 |
vmsvga_enabled = 0;
|
4168 |
} else if (strstart(p, "vmware", &opts)) { |
4169 |
cirrus_vga_enabled = 0;
|
4170 |
std_vga_enabled = 0;
|
4171 |
vmsvga_enabled = 1;
|
4172 |
} else if (strstart(p, "none", &opts)) { |
4173 |
cirrus_vga_enabled = 0;
|
4174 |
std_vga_enabled = 0;
|
4175 |
vmsvga_enabled = 0;
|
4176 |
} else {
|
4177 |
invalid_vga:
|
4178 |
fprintf(stderr, "Unknown vga type: %s\n", p);
|
4179 |
exit(1);
|
4180 |
} |
4181 |
while (*opts) {
|
4182 |
const char *nextopt; |
4183 |
|
4184 |
if (strstart(opts, ",retrace=", &nextopt)) { |
4185 |
opts = nextopt; |
4186 |
if (strstart(opts, "dumb", &nextopt)) |
4187 |
vga_retrace_method = VGA_RETRACE_DUMB; |
4188 |
else if (strstart(opts, "precise", &nextopt)) |
4189 |
vga_retrace_method = VGA_RETRACE_PRECISE; |
4190 |
else goto invalid_vga; |
4191 |
} else goto invalid_vga; |
4192 |
opts = nextopt; |
4193 |
} |
4194 |
} |
4195 |
|
4196 |
#ifdef _WIN32
|
4197 |
static BOOL WINAPI qemu_ctrl_handler(DWORD type)
|
4198 |
{ |
4199 |
exit(STATUS_CONTROL_C_EXIT); |
4200 |
return TRUE;
|
4201 |
} |
4202 |
#endif
|
4203 |
|
4204 |
int qemu_uuid_parse(const char *str, uint8_t *uuid) |
4205 |
{ |
4206 |
int ret;
|
4207 |
|
4208 |
if(strlen(str) != 36) |
4209 |
return -1; |
4210 |
|
4211 |
ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3], |
4212 |
&uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9], |
4213 |
&uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14], &uuid[15]); |
4214 |
|
4215 |
if(ret != 16) |
4216 |
return -1; |
4217 |
|
4218 |
#ifdef TARGET_I386
|
4219 |
smbios_add_field(1, offsetof(struct smbios_type_1, uuid), 16, uuid); |
4220 |
#endif
|
4221 |
|
4222 |
return 0; |
4223 |
} |
4224 |
|
4225 |
#define MAX_NET_CLIENTS 32 |
4226 |
|
4227 |
#ifndef _WIN32
|
4228 |
|
4229 |
static void termsig_handler(int signal) |
4230 |
{ |
4231 |
qemu_system_shutdown_request(); |
4232 |
} |
4233 |
|
4234 |
static void termsig_setup(void) |
4235 |
{ |
4236 |
struct sigaction act;
|
4237 |
|
4238 |
memset(&act, 0, sizeof(act)); |
4239 |
act.sa_handler = termsig_handler; |
4240 |
sigaction(SIGINT, &act, NULL);
|
4241 |
sigaction(SIGHUP, &act, NULL);
|
4242 |
sigaction(SIGTERM, &act, NULL);
|
4243 |
} |
4244 |
|
4245 |
#endif
|
4246 |
|
4247 |
int main(int argc, char **argv, char **envp) |
4248 |
{ |
4249 |
#ifdef CONFIG_GDBSTUB
|
4250 |
const char *gdbstub_dev = NULL; |
4251 |
#endif
|
4252 |
uint32_t boot_devices_bitmap = 0;
|
4253 |
int i;
|
4254 |
int snapshot, linux_boot, net_boot;
|
4255 |
const char *initrd_filename; |
4256 |
const char *kernel_filename, *kernel_cmdline; |
4257 |
const char *boot_devices = ""; |
4258 |
DisplayState *ds; |
4259 |
DisplayChangeListener *dcl; |
4260 |
int cyls, heads, secs, translation;
|
4261 |
const char *net_clients[MAX_NET_CLIENTS]; |
4262 |
int nb_net_clients;
|
4263 |
const char *bt_opts[MAX_BT_CMDLINE]; |
4264 |
int nb_bt_opts;
|
4265 |
int hda_index;
|
4266 |
int optind;
|
4267 |
const char *r, *optarg; |
4268 |
CharDriverState *monitor_hd = NULL;
|
4269 |
const char *monitor_device; |
4270 |
const char *serial_devices[MAX_SERIAL_PORTS]; |
4271 |
int serial_device_index;
|
4272 |
const char *parallel_devices[MAX_PARALLEL_PORTS]; |
4273 |
int parallel_device_index;
|
4274 |
const char *virtio_consoles[MAX_VIRTIO_CONSOLES]; |
4275 |
int virtio_console_index;
|
4276 |
const char *loadvm = NULL; |
4277 |
QEMUMachine *machine; |
4278 |
const char *cpu_model; |
4279 |
const char *usb_devices[MAX_USB_CMDLINE]; |
4280 |
int usb_devices_index;
|
4281 |
#ifndef _WIN32
|
4282 |
int fds[2]; |
4283 |
#endif
|
4284 |
int tb_size;
|
4285 |
const char *pid_file = NULL; |
4286 |
const char *incoming = NULL; |
4287 |
#ifndef _WIN32
|
4288 |
int fd = 0; |
4289 |
struct passwd *pwd = NULL; |
4290 |
const char *chroot_dir = NULL; |
4291 |
const char *run_as = NULL; |
4292 |
#endif
|
4293 |
|
4294 |
qemu_cache_utils_init(envp); |
4295 |
|
4296 |
LIST_INIT (&vm_change_state_head); |
4297 |
#ifndef _WIN32
|
4298 |
{ |
4299 |
struct sigaction act;
|
4300 |
sigfillset(&act.sa_mask); |
4301 |
act.sa_flags = 0;
|
4302 |
act.sa_handler = SIG_IGN; |
4303 |
sigaction(SIGPIPE, &act, NULL);
|
4304 |
} |
4305 |
#else
|
4306 |
SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE); |
4307 |
/* Note: cpu_interrupt() is currently not SMP safe, so we force
|
4308 |
QEMU to run on a single CPU */
|
4309 |
{ |
4310 |
HANDLE h; |
4311 |
DWORD mask, smask; |
4312 |
int i;
|
4313 |
h = GetCurrentProcess(); |
4314 |
if (GetProcessAffinityMask(h, &mask, &smask)) {
|
4315 |
for(i = 0; i < 32; i++) { |
4316 |
if (mask & (1 << i)) |
4317 |
break;
|
4318 |
} |
4319 |
if (i != 32) { |
4320 |
mask = 1 << i;
|
4321 |
SetProcessAffinityMask(h, mask); |
4322 |
} |
4323 |
} |
4324 |
} |
4325 |
#endif
|
4326 |
|
4327 |
register_machines(); |
4328 |
machine = first_machine; |
4329 |
cpu_model = NULL;
|
4330 |
initrd_filename = NULL;
|
4331 |
ram_size = 0;
|
4332 |
vga_ram_size = VGA_RAM_SIZE; |
4333 |
snapshot = 0;
|
4334 |
nographic = 0;
|
4335 |
curses = 0;
|
4336 |
kernel_filename = NULL;
|
4337 |
kernel_cmdline = "";
|
4338 |
cyls = heads = secs = 0;
|
4339 |
translation = BIOS_ATA_TRANSLATION_AUTO; |
4340 |
monitor_device = "vc:80Cx24C";
|
4341 |
|
4342 |
serial_devices[0] = "vc:80Cx24C"; |
4343 |
for(i = 1; i < MAX_SERIAL_PORTS; i++) |
4344 |
serial_devices[i] = NULL;
|
4345 |
serial_device_index = 0;
|
4346 |
|
4347 |
parallel_devices[0] = "vc:80Cx24C"; |
4348 |
for(i = 1; i < MAX_PARALLEL_PORTS; i++) |
4349 |
parallel_devices[i] = NULL;
|
4350 |
parallel_device_index = 0;
|
4351 |
|
4352 |
for(i = 0; i < MAX_VIRTIO_CONSOLES; i++) |
4353 |
virtio_consoles[i] = NULL;
|
4354 |
virtio_console_index = 0;
|
4355 |
|
4356 |
usb_devices_index = 0;
|
4357 |
|
4358 |
nb_net_clients = 0;
|
4359 |
nb_bt_opts = 0;
|
4360 |
nb_drives = 0;
|
4361 |
nb_drives_opt = 0;
|
4362 |
hda_index = -1;
|
4363 |
|
4364 |
nb_nics = 0;
|
4365 |
|
4366 |
tb_size = 0;
|
4367 |
autostart= 1;
|
4368 |
|
4369 |
optind = 1;
|
4370 |
for(;;) {
|
4371 |
if (optind >= argc)
|
4372 |
break;
|
4373 |
r = argv[optind]; |
4374 |
if (r[0] != '-') { |
4375 |
hda_index = drive_add(argv[optind++], HD_ALIAS, 0);
|
4376 |
} else {
|
4377 |
const QEMUOption *popt;
|
4378 |
|
4379 |
optind++; |
4380 |
/* Treat --foo the same as -foo. */
|
4381 |
if (r[1] == '-') |
4382 |
r++; |
4383 |
popt = qemu_options; |
4384 |
for(;;) {
|
4385 |
if (!popt->name) {
|
4386 |
fprintf(stderr, "%s: invalid option -- '%s'\n",
|
4387 |
argv[0], r);
|
4388 |
exit(1);
|
4389 |
} |
4390 |
if (!strcmp(popt->name, r + 1)) |
4391 |
break;
|
4392 |
popt++; |
4393 |
} |
4394 |
if (popt->flags & HAS_ARG) {
|
4395 |
if (optind >= argc) {
|
4396 |
fprintf(stderr, "%s: option '%s' requires an argument\n",
|
4397 |
argv[0], r);
|
4398 |
exit(1);
|
4399 |
} |
4400 |
optarg = argv[optind++]; |
4401 |
} else {
|
4402 |
optarg = NULL;
|
4403 |
} |
4404 |
|
4405 |
switch(popt->index) {
|
4406 |
case QEMU_OPTION_M:
|
4407 |
machine = find_machine(optarg); |
4408 |
if (!machine) {
|
4409 |
QEMUMachine *m; |
4410 |
printf("Supported machines are:\n");
|
4411 |
for(m = first_machine; m != NULL; m = m->next) { |
4412 |
printf("%-10s %s%s\n",
|
4413 |
m->name, m->desc, |
4414 |
m == first_machine ? " (default)" : ""); |
4415 |
} |
4416 |
exit(*optarg != '?');
|
4417 |
} |
4418 |
break;
|
4419 |
case QEMU_OPTION_cpu:
|
4420 |
/* hw initialization will check this */
|
4421 |
if (*optarg == '?') { |
4422 |
/* XXX: implement xxx_cpu_list for targets that still miss it */
|
4423 |
#if defined(cpu_list)
|
4424 |
cpu_list(stdout, &fprintf); |
4425 |
#endif
|
4426 |
exit(0);
|
4427 |
} else {
|
4428 |
cpu_model = optarg; |
4429 |
} |
4430 |
break;
|
4431 |
case QEMU_OPTION_initrd:
|
4432 |
initrd_filename = optarg; |
4433 |
break;
|
4434 |
case QEMU_OPTION_hda:
|
4435 |
if (cyls == 0) |
4436 |
hda_index = drive_add(optarg, HD_ALIAS, 0);
|
4437 |
else
|
4438 |
hda_index = drive_add(optarg, HD_ALIAS |
4439 |
",cyls=%d,heads=%d,secs=%d%s",
|
4440 |
0, cyls, heads, secs,
|
4441 |
translation == BIOS_ATA_TRANSLATION_LBA ? |
4442 |
",trans=lba" :
|
4443 |
translation == BIOS_ATA_TRANSLATION_NONE ? |
4444 |
",trans=none" : ""); |
4445 |
break;
|
4446 |
case QEMU_OPTION_hdb:
|
4447 |
case QEMU_OPTION_hdc:
|
4448 |
case QEMU_OPTION_hdd:
|
4449 |
drive_add(optarg, HD_ALIAS, popt->index - QEMU_OPTION_hda); |
4450 |
break;
|
4451 |
case QEMU_OPTION_drive:
|
4452 |
drive_add(NULL, "%s", optarg); |
4453 |
break;
|
4454 |
case QEMU_OPTION_mtdblock:
|
4455 |
drive_add(optarg, MTD_ALIAS); |
4456 |
break;
|
4457 |
case QEMU_OPTION_sd:
|
4458 |
drive_add(optarg, SD_ALIAS); |
4459 |
break;
|
4460 |
case QEMU_OPTION_pflash:
|
4461 |
drive_add(optarg, PFLASH_ALIAS); |
4462 |
break;
|
4463 |
case QEMU_OPTION_snapshot:
|
4464 |
snapshot = 1;
|
4465 |
break;
|
4466 |
case QEMU_OPTION_hdachs:
|
4467 |
{ |
4468 |
const char *p; |
4469 |
p = optarg; |
4470 |
cyls = strtol(p, (char **)&p, 0); |
4471 |
if (cyls < 1 || cyls > 16383) |
4472 |
goto chs_fail;
|
4473 |
if (*p != ',') |
4474 |
goto chs_fail;
|
4475 |
p++; |
4476 |
heads = strtol(p, (char **)&p, 0); |
4477 |
if (heads < 1 || heads > 16) |
4478 |
goto chs_fail;
|
4479 |
if (*p != ',') |
4480 |
goto chs_fail;
|
4481 |
p++; |
4482 |
secs = strtol(p, (char **)&p, 0); |
4483 |
if (secs < 1 || secs > 63) |
4484 |
goto chs_fail;
|
4485 |
if (*p == ',') { |
4486 |
p++; |
4487 |
if (!strcmp(p, "none")) |
4488 |
translation = BIOS_ATA_TRANSLATION_NONE; |
4489 |
else if (!strcmp(p, "lba")) |
4490 |
translation = BIOS_ATA_TRANSLATION_LBA; |
4491 |
else if (!strcmp(p, "auto")) |
4492 |
translation = BIOS_ATA_TRANSLATION_AUTO; |
4493 |
else
|
4494 |
goto chs_fail;
|
4495 |
} else if (*p != '\0') { |
4496 |
chs_fail:
|
4497 |
fprintf(stderr, "qemu: invalid physical CHS format\n");
|
4498 |
exit(1);
|
4499 |
} |
4500 |
if (hda_index != -1) |
4501 |
snprintf(drives_opt[hda_index].opt, |
4502 |
sizeof(drives_opt[hda_index].opt),
|
4503 |
HD_ALIAS ",cyls=%d,heads=%d,secs=%d%s",
|
4504 |
0, cyls, heads, secs,
|
4505 |
translation == BIOS_ATA_TRANSLATION_LBA ? |
4506 |
",trans=lba" :
|
4507 |
translation == BIOS_ATA_TRANSLATION_NONE ? |
4508 |
",trans=none" : ""); |
4509 |
} |
4510 |
break;
|
4511 |
case QEMU_OPTION_nographic:
|
4512 |
nographic = 1;
|
4513 |
break;
|
4514 |
#ifdef CONFIG_CURSES
|
4515 |
case QEMU_OPTION_curses:
|
4516 |
curses = 1;
|
4517 |
break;
|
4518 |
#endif
|
4519 |
case QEMU_OPTION_portrait:
|
4520 |
graphic_rotate = 1;
|
4521 |
break;
|
4522 |
case QEMU_OPTION_kernel:
|
4523 |
kernel_filename = optarg; |
4524 |
break;
|
4525 |
case QEMU_OPTION_append:
|
4526 |
kernel_cmdline = optarg; |
4527 |
break;
|
4528 |
case QEMU_OPTION_cdrom:
|
4529 |
drive_add(optarg, CDROM_ALIAS); |
4530 |
break;
|
4531 |
case QEMU_OPTION_boot:
|
4532 |
boot_devices = optarg; |
4533 |
/* We just do some generic consistency checks */
|
4534 |
{ |
4535 |
/* Could easily be extended to 64 devices if needed */
|
4536 |
const char *p; |
4537 |
|
4538 |
boot_devices_bitmap = 0;
|
4539 |
for (p = boot_devices; *p != '\0'; p++) { |
4540 |
/* Allowed boot devices are:
|
4541 |
* a b : floppy disk drives
|
4542 |
* c ... f : IDE disk drives
|
4543 |
* g ... m : machine implementation dependant drives
|
4544 |
* n ... p : network devices
|
4545 |
* It's up to each machine implementation to check
|
4546 |
* if the given boot devices match the actual hardware
|
4547 |
* implementation and firmware features.
|
4548 |
*/
|
4549 |
if (*p < 'a' || *p > 'q') { |
4550 |
fprintf(stderr, "Invalid boot device '%c'\n", *p);
|
4551 |
exit(1);
|
4552 |
} |
4553 |
if (boot_devices_bitmap & (1 << (*p - 'a'))) { |
4554 |
fprintf(stderr, |
4555 |
"Boot device '%c' was given twice\n",*p);
|
4556 |
exit(1);
|
4557 |
} |
4558 |
boot_devices_bitmap |= 1 << (*p - 'a'); |
4559 |
} |
4560 |
} |
4561 |
break;
|
4562 |
case QEMU_OPTION_fda:
|
4563 |
case QEMU_OPTION_fdb:
|
4564 |
drive_add(optarg, FD_ALIAS, popt->index - QEMU_OPTION_fda); |
4565 |
break;
|
4566 |
#ifdef TARGET_I386
|
4567 |
case QEMU_OPTION_no_fd_bootchk:
|
4568 |
fd_bootchk = 0;
|
4569 |
break;
|
4570 |
#endif
|
4571 |
case QEMU_OPTION_net:
|
4572 |
if (nb_net_clients >= MAX_NET_CLIENTS) {
|
4573 |
fprintf(stderr, "qemu: too many network clients\n");
|
4574 |
exit(1);
|
4575 |
} |
4576 |
net_clients[nb_net_clients] = optarg; |
4577 |
nb_net_clients++; |
4578 |
break;
|
4579 |
#ifdef CONFIG_SLIRP
|
4580 |
case QEMU_OPTION_tftp:
|
4581 |
tftp_prefix = optarg; |
4582 |
break;
|
4583 |
case QEMU_OPTION_bootp:
|
4584 |
bootp_filename = optarg; |
4585 |
break;
|
4586 |
#ifndef _WIN32
|
4587 |
case QEMU_OPTION_smb:
|
4588 |
net_slirp_smb(optarg); |
4589 |
break;
|
4590 |
#endif
|
4591 |
case QEMU_OPTION_redir:
|
4592 |
net_slirp_redir(optarg); |
4593 |
break;
|
4594 |
#endif
|
4595 |
case QEMU_OPTION_bt:
|
4596 |
if (nb_bt_opts >= MAX_BT_CMDLINE) {
|
4597 |
fprintf(stderr, "qemu: too many bluetooth options\n");
|
4598 |
exit(1);
|
4599 |
} |
4600 |
bt_opts[nb_bt_opts++] = optarg; |
4601 |
break;
|
4602 |
#ifdef HAS_AUDIO
|
4603 |
case QEMU_OPTION_audio_help:
|
4604 |
AUD_help (); |
4605 |
exit (0);
|
4606 |
break;
|
4607 |
case QEMU_OPTION_soundhw:
|
4608 |
select_soundhw (optarg); |
4609 |
break;
|
4610 |
#endif
|
4611 |
case QEMU_OPTION_h:
|
4612 |
help(0);
|
4613 |
break;
|
4614 |
case QEMU_OPTION_version:
|
4615 |
version(); |
4616 |
exit(0);
|
4617 |
break;
|
4618 |
case QEMU_OPTION_m: {
|
4619 |
uint64_t value; |
4620 |
char *ptr;
|
4621 |
|
4622 |
value = strtoul(optarg, &ptr, 10);
|
4623 |
switch (*ptr) {
|
4624 |
case 0: case 'M': case 'm': |
4625 |
value <<= 20;
|
4626 |
break;
|
4627 |
case 'G': case 'g': |
4628 |
value <<= 30;
|
4629 |
break;
|
4630 |
default:
|
4631 |
fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
|
4632 |
exit(1);
|
4633 |
} |
4634 |
|
4635 |
/* On 32-bit hosts, QEMU is limited by virtual address space */
|
4636 |
if (value > (2047 << 20) |
4637 |
#ifndef CONFIG_KQEMU
|
4638 |
&& HOST_LONG_BITS == 32
|
4639 |
#endif
|
4640 |
) { |
4641 |
fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
|
4642 |
exit(1);
|
4643 |
} |
4644 |
if (value != (uint64_t)(ram_addr_t)value) {
|
4645 |
fprintf(stderr, "qemu: ram size too large\n");
|
4646 |
exit(1);
|
4647 |
} |
4648 |
ram_size = value; |
4649 |
break;
|
4650 |
} |
4651 |
case QEMU_OPTION_d:
|
4652 |
{ |
4653 |
int mask;
|
4654 |
const CPULogItem *item;
|
4655 |
|
4656 |
mask = cpu_str_to_log_mask(optarg); |
4657 |
if (!mask) {
|
4658 |
printf("Log items (comma separated):\n");
|
4659 |
for(item = cpu_log_items; item->mask != 0; item++) { |
4660 |
printf("%-10s %s\n", item->name, item->help);
|
4661 |
} |
4662 |
exit(1);
|
4663 |
} |
4664 |
cpu_set_log(mask); |
4665 |
} |
4666 |
break;
|
4667 |
#ifdef CONFIG_GDBSTUB
|
4668 |
case QEMU_OPTION_s:
|
4669 |
gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT;
|
4670 |
break;
|
4671 |
case QEMU_OPTION_gdb:
|
4672 |
gdbstub_dev = optarg; |
4673 |
break;
|
4674 |
#endif
|
4675 |
case QEMU_OPTION_L:
|
4676 |
bios_dir = optarg; |
4677 |
break;
|
4678 |
case QEMU_OPTION_bios:
|
4679 |
bios_name = optarg; |
4680 |
break;
|
4681 |
case QEMU_OPTION_singlestep:
|
4682 |
singlestep = 1;
|
4683 |
break;
|
4684 |
case QEMU_OPTION_S:
|
4685 |
autostart = 0;
|
4686 |
break;
|
4687 |
#ifndef _WIN32
|
4688 |
case QEMU_OPTION_k:
|
4689 |
keyboard_layout = optarg; |
4690 |
break;
|
4691 |
#endif
|
4692 |
case QEMU_OPTION_localtime:
|
4693 |
rtc_utc = 0;
|
4694 |
break;
|
4695 |
case QEMU_OPTION_vga:
|
4696 |
select_vgahw (optarg); |
4697 |
break;
|
4698 |
#if defined(TARGET_PPC) || defined(TARGET_SPARC)
|
4699 |
case QEMU_OPTION_g:
|
4700 |
{ |
4701 |
const char *p; |
4702 |
int w, h, depth;
|
4703 |
p = optarg; |
4704 |
w = strtol(p, (char **)&p, 10); |
4705 |
if (w <= 0) { |
4706 |
graphic_error:
|
4707 |
fprintf(stderr, "qemu: invalid resolution or depth\n");
|
4708 |
exit(1);
|
4709 |
} |
4710 |
if (*p != 'x') |
4711 |
goto graphic_error;
|
4712 |
p++; |
4713 |
h = strtol(p, (char **)&p, 10); |
4714 |
if (h <= 0) |
4715 |
goto graphic_error;
|
4716 |
if (*p == 'x') { |
4717 |
p++; |
4718 |
depth = strtol(p, (char **)&p, 10); |
4719 |
if (depth != 8 && depth != 15 && depth != 16 && |
4720 |
depth != 24 && depth != 32) |
4721 |
goto graphic_error;
|
4722 |
} else if (*p == '\0') { |
4723 |
depth = graphic_depth; |
4724 |
} else {
|
4725 |
goto graphic_error;
|
4726 |
} |
4727 |
|
4728 |
graphic_width = w; |
4729 |
graphic_height = h; |
4730 |
graphic_depth = depth; |
4731 |
} |
4732 |
break;
|
4733 |
#endif
|
4734 |
case QEMU_OPTION_echr:
|
4735 |
{ |
4736 |
char *r;
|
4737 |
term_escape_char = strtol(optarg, &r, 0);
|
4738 |
if (r == optarg)
|
4739 |
printf("Bad argument to echr\n");
|
4740 |
break;
|
4741 |
} |
4742 |
case QEMU_OPTION_monitor:
|
4743 |
monitor_device = optarg; |
4744 |
break;
|
4745 |
case QEMU_OPTION_serial:
|
4746 |
if (serial_device_index >= MAX_SERIAL_PORTS) {
|
4747 |
fprintf(stderr, "qemu: too many serial ports\n");
|
4748 |
exit(1);
|
4749 |
} |
4750 |
serial_devices[serial_device_index] = optarg; |
4751 |
serial_device_index++; |
4752 |
break;
|
4753 |
case QEMU_OPTION_virtiocon:
|
4754 |
if (virtio_console_index >= MAX_VIRTIO_CONSOLES) {
|
4755 |
fprintf(stderr, "qemu: too many virtio consoles\n");
|
4756 |
exit(1);
|
4757 |
} |
4758 |
virtio_consoles[virtio_console_index] = optarg; |
4759 |
virtio_console_index++; |
4760 |
break;
|
4761 |
case QEMU_OPTION_parallel:
|
4762 |
if (parallel_device_index >= MAX_PARALLEL_PORTS) {
|
4763 |
fprintf(stderr, "qemu: too many parallel ports\n");
|
4764 |
exit(1);
|
4765 |
} |
4766 |
parallel_devices[parallel_device_index] = optarg; |
4767 |
parallel_device_index++; |
4768 |
break;
|
4769 |
case QEMU_OPTION_loadvm:
|
4770 |
loadvm = optarg; |
4771 |
break;
|
4772 |
case QEMU_OPTION_full_screen:
|
4773 |
full_screen = 1;
|
4774 |
break;
|
4775 |
#ifdef CONFIG_SDL
|
4776 |
case QEMU_OPTION_no_frame:
|
4777 |
no_frame = 1;
|
4778 |
break;
|
4779 |
case QEMU_OPTION_alt_grab:
|
4780 |
alt_grab = 1;
|
4781 |
break;
|
4782 |
case QEMU_OPTION_no_quit:
|
4783 |
no_quit = 1;
|
4784 |
break;
|
4785 |
case QEMU_OPTION_sdl:
|
4786 |
sdl = 1;
|
4787 |
break;
|
4788 |
#endif
|
4789 |
case QEMU_OPTION_pidfile:
|
4790 |
pid_file = optarg; |
4791 |
break;
|
4792 |
#ifdef TARGET_I386
|
4793 |
case QEMU_OPTION_win2k_hack:
|
4794 |
win2k_install_hack = 1;
|
4795 |
break;
|
4796 |
case QEMU_OPTION_rtc_td_hack:
|
4797 |
rtc_td_hack = 1;
|
4798 |
break;
|
4799 |
case QEMU_OPTION_acpitable:
|
4800 |
if(acpi_table_add(optarg) < 0) { |
4801 |
fprintf(stderr, "Wrong acpi table provided\n");
|
4802 |
exit(1);
|
4803 |
} |
4804 |
break;
|
4805 |
case QEMU_OPTION_smbios:
|
4806 |
if(smbios_entry_add(optarg) < 0) { |
4807 |
fprintf(stderr, "Wrong smbios provided\n");
|
4808 |
exit(1);
|
4809 |
} |
4810 |
break;
|
4811 |
#endif
|
4812 |
#ifdef CONFIG_KQEMU
|
4813 |
case QEMU_OPTION_no_kqemu:
|
4814 |
kqemu_allowed = 0;
|
4815 |
break;
|
4816 |
case QEMU_OPTION_kernel_kqemu:
|
4817 |
kqemu_allowed = 2;
|
4818 |
break;
|
4819 |
#endif
|
4820 |
#ifdef CONFIG_KVM
|
4821 |
case QEMU_OPTION_enable_kvm:
|
4822 |
kvm_allowed = 1;
|
4823 |
#ifdef CONFIG_KQEMU
|
4824 |
kqemu_allowed = 0;
|
4825 |
#endif
|
4826 |
break;
|
4827 |
#endif
|
4828 |
case QEMU_OPTION_usb:
|
4829 |
usb_enabled = 1;
|
4830 |
break;
|
4831 |
case QEMU_OPTION_usbdevice:
|
4832 |
usb_enabled = 1;
|
4833 |
if (usb_devices_index >= MAX_USB_CMDLINE) {
|
4834 |
fprintf(stderr, "Too many USB devices\n");
|
4835 |
exit(1);
|
4836 |
} |
4837 |
usb_devices[usb_devices_index] = optarg; |
4838 |
usb_devices_index++; |
4839 |
break;
|
4840 |
case QEMU_OPTION_smp:
|
4841 |
smp_cpus = atoi(optarg); |
4842 |
if (smp_cpus < 1) { |
4843 |
fprintf(stderr, "Invalid number of CPUs\n");
|
4844 |
exit(1);
|
4845 |
} |
4846 |
break;
|
4847 |
case QEMU_OPTION_vnc:
|
4848 |
vnc_display = optarg; |
4849 |
break;
|
4850 |
#ifdef TARGET_I386
|
4851 |
case QEMU_OPTION_no_acpi:
|
4852 |
acpi_enabled = 0;
|
4853 |
break;
|
4854 |
case QEMU_OPTION_no_hpet:
|
4855 |
no_hpet = 1;
|
4856 |
break;
|
4857 |
#endif
|
4858 |
case QEMU_OPTION_no_reboot:
|
4859 |
no_reboot = 1;
|
4860 |
break;
|
4861 |
case QEMU_OPTION_no_shutdown:
|
4862 |
no_shutdown = 1;
|
4863 |
break;
|
4864 |
case QEMU_OPTION_show_cursor:
|
4865 |
cursor_hide = 0;
|
4866 |
break;
|
4867 |
case QEMU_OPTION_uuid:
|
4868 |
if(qemu_uuid_parse(optarg, qemu_uuid) < 0) { |
4869 |
fprintf(stderr, "Fail to parse UUID string."
|
4870 |
" Wrong format.\n");
|
4871 |
exit(1);
|
4872 |
} |
4873 |
break;
|
4874 |
#ifndef _WIN32
|
4875 |
case QEMU_OPTION_daemonize:
|
4876 |
daemonize = 1;
|
4877 |
break;
|
4878 |
#endif
|
4879 |
case QEMU_OPTION_option_rom:
|
4880 |
if (nb_option_roms >= MAX_OPTION_ROMS) {
|
4881 |
fprintf(stderr, "Too many option ROMs\n");
|
4882 |
exit(1);
|
4883 |
} |
4884 |
option_rom[nb_option_roms] = optarg; |
4885 |
nb_option_roms++; |
4886 |
break;
|
4887 |
#if defined(TARGET_ARM) || defined(TARGET_M68K)
|
4888 |
case QEMU_OPTION_semihosting:
|
4889 |
semihosting_enabled = 1;
|
4890 |
break;
|
4891 |
#endif
|
4892 |
case QEMU_OPTION_name:
|
4893 |
qemu_name = optarg; |
4894 |
break;
|
4895 |
#if defined(TARGET_SPARC) || defined(TARGET_PPC)
|
4896 |
case QEMU_OPTION_prom_env:
|
4897 |
if (nb_prom_envs >= MAX_PROM_ENVS) {
|
4898 |
fprintf(stderr, "Too many prom variables\n");
|
4899 |
exit(1);
|
4900 |
} |
4901 |
prom_envs[nb_prom_envs] = optarg; |
4902 |
nb_prom_envs++; |
4903 |
break;
|
4904 |
#endif
|
4905 |
#ifdef TARGET_ARM
|
4906 |
case QEMU_OPTION_old_param:
|
4907 |
old_param = 1;
|
4908 |
break;
|
4909 |
#endif
|
4910 |
case QEMU_OPTION_clock:
|
4911 |
configure_alarms(optarg); |
4912 |
break;
|
4913 |
case QEMU_OPTION_startdate:
|
4914 |
{ |
4915 |
struct tm tm;
|
4916 |
time_t rtc_start_date; |
4917 |
if (!strcmp(optarg, "now")) { |
4918 |
rtc_date_offset = -1;
|
4919 |
} else {
|
4920 |
if (sscanf(optarg, "%d-%d-%dT%d:%d:%d", |
4921 |
&tm.tm_year, |
4922 |
&tm.tm_mon, |
4923 |
&tm.tm_mday, |
4924 |
&tm.tm_hour, |
4925 |
&tm.tm_min, |
4926 |
&tm.tm_sec) == 6) {
|
4927 |
/* OK */
|
4928 |
} else if (sscanf(optarg, "%d-%d-%d", |
4929 |
&tm.tm_year, |
4930 |
&tm.tm_mon, |
4931 |
&tm.tm_mday) == 3) {
|
4932 |
tm.tm_hour = 0;
|
4933 |
tm.tm_min = 0;
|
4934 |
tm.tm_sec = 0;
|
4935 |
} else {
|
4936 |
goto date_fail;
|
4937 |
} |
4938 |
tm.tm_year -= 1900;
|
4939 |
tm.tm_mon--; |
4940 |
rtc_start_date = mktimegm(&tm); |
4941 |
if (rtc_start_date == -1) { |
4942 |
date_fail:
|
4943 |
fprintf(stderr, "Invalid date format. Valid format are:\n"
|
4944 |
"'now' or '2006-06-17T16:01:21' or '2006-06-17'\n");
|
4945 |
exit(1);
|
4946 |
} |
4947 |
rtc_date_offset = time(NULL) - rtc_start_date;
|
4948 |
} |
4949 |
} |
4950 |
break;
|
4951 |
case QEMU_OPTION_tb_size:
|
4952 |
tb_size = strtol(optarg, NULL, 0); |
4953 |
if (tb_size < 0) |
4954 |
tb_size = 0;
|
4955 |
break;
|
4956 |
case QEMU_OPTION_icount:
|
4957 |
use_icount = 1;
|
4958 |
if (strcmp(optarg, "auto") == 0) { |
4959 |
icount_time_shift = -1;
|
4960 |
} else {
|
4961 |
icount_time_shift = strtol(optarg, NULL, 0); |
4962 |
} |
4963 |
break;
|
4964 |
case QEMU_OPTION_incoming:
|
4965 |
incoming = optarg; |
4966 |
break;
|
4967 |
#ifndef _WIN32
|
4968 |
case QEMU_OPTION_chroot:
|
4969 |
chroot_dir = optarg; |
4970 |
break;
|
4971 |
case QEMU_OPTION_runas:
|
4972 |
run_as = optarg; |
4973 |
break;
|
4974 |
#endif
|
4975 |
} |
4976 |
} |
4977 |
} |
4978 |
|
4979 |
#if defined(CONFIG_KVM) && defined(CONFIG_KQEMU)
|
4980 |
if (kvm_allowed && kqemu_allowed) {
|
4981 |
fprintf(stderr, |
4982 |
"You can not enable both KVM and kqemu at the same time\n");
|
4983 |
exit(1);
|
4984 |
} |
4985 |
#endif
|
4986 |
|
4987 |
machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */ |
4988 |
if (smp_cpus > machine->max_cpus) {
|
4989 |
fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
|
4990 |
"supported by machine `%s' (%d)\n", smp_cpus, machine->name,
|
4991 |
machine->max_cpus); |
4992 |
exit(1);
|
4993 |
} |
4994 |
|
4995 |
if (nographic) {
|
4996 |
if (serial_device_index == 0) |
4997 |
serial_devices[0] = "stdio"; |
4998 |
if (parallel_device_index == 0) |
4999 |
parallel_devices[0] = "null"; |
5000 |
if (strncmp(monitor_device, "vc", 2) == 0) |
5001 |
monitor_device = "stdio";
|
5002 |
} |
5003 |
|
5004 |
#ifndef _WIN32
|
5005 |
if (daemonize) {
|
5006 |
pid_t pid; |
5007 |
|
5008 |
if (pipe(fds) == -1) |
5009 |
exit(1);
|
5010 |
|
5011 |
pid = fork(); |
5012 |
if (pid > 0) { |
5013 |
uint8_t status; |
5014 |
ssize_t len; |
5015 |
|
5016 |
close(fds[1]);
|
5017 |
|
5018 |
again:
|
5019 |
len = read(fds[0], &status, 1); |
5020 |
if (len == -1 && (errno == EINTR)) |
5021 |
goto again;
|
5022 |
|
5023 |
if (len != 1) |
5024 |
exit(1);
|
5025 |
else if (status == 1) { |
5026 |
fprintf(stderr, "Could not acquire pidfile\n");
|
5027 |
exit(1);
|
5028 |
} else
|
5029 |
exit(0);
|
5030 |
} else if (pid < 0) |
5031 |
exit(1);
|
5032 |
|
5033 |
setsid(); |
5034 |
|
5035 |
pid = fork(); |
5036 |
if (pid > 0) |
5037 |
exit(0);
|
5038 |
else if (pid < 0) |
5039 |
exit(1);
|
5040 |
|
5041 |
umask(027);
|
5042 |
|
5043 |
signal(SIGTSTP, SIG_IGN); |
5044 |
signal(SIGTTOU, SIG_IGN); |
5045 |
signal(SIGTTIN, SIG_IGN); |
5046 |
} |
5047 |
|
5048 |
if (pid_file && qemu_create_pidfile(pid_file) != 0) { |
5049 |
if (daemonize) {
|
5050 |
uint8_t status = 1;
|
5051 |
write(fds[1], &status, 1); |
5052 |
} else
|
5053 |
fprintf(stderr, "Could not acquire pid file\n");
|
5054 |
exit(1);
|
5055 |
} |
5056 |
#endif
|
5057 |
|
5058 |
#ifdef CONFIG_KQEMU
|
5059 |
if (smp_cpus > 1) |
5060 |
kqemu_allowed = 0;
|
5061 |
#endif
|
5062 |
linux_boot = (kernel_filename != NULL);
|
5063 |
net_boot = (boot_devices_bitmap >> ('n' - 'a')) & 0xF; |
5064 |
|
5065 |
if (!linux_boot && *kernel_cmdline != '\0') { |
5066 |
fprintf(stderr, "-append only allowed with -kernel option\n");
|
5067 |
exit(1);
|
5068 |
} |
5069 |
|
5070 |
if (!linux_boot && initrd_filename != NULL) { |
5071 |
fprintf(stderr, "-initrd only allowed with -kernel option\n");
|
5072 |
exit(1);
|
5073 |
} |
5074 |
|
5075 |
/* boot to floppy or the default cd if no hard disk defined yet */
|
5076 |
if (!boot_devices[0]) { |
5077 |
boot_devices = "cad";
|
5078 |
} |
5079 |
setvbuf(stdout, NULL, _IOLBF, 0); |
5080 |
|
5081 |
init_timers(); |
5082 |
if (init_timer_alarm() < 0) { |
5083 |
fprintf(stderr, "could not initialize alarm timer\n");
|
5084 |
exit(1);
|
5085 |
} |
5086 |
if (use_icount && icount_time_shift < 0) { |
5087 |
use_icount = 2;
|
5088 |
/* 125MIPS seems a reasonable initial guess at the guest speed.
|
5089 |
It will be corrected fairly quickly anyway. */
|
5090 |
icount_time_shift = 3;
|
5091 |
init_icount_adjust(); |
5092 |
} |
5093 |
|
5094 |
#ifdef _WIN32
|
5095 |
socket_init(); |
5096 |
#endif
|
5097 |
|
5098 |
/* init network clients */
|
5099 |
if (nb_net_clients == 0) { |
5100 |
/* if no clients, we use a default config */
|
5101 |
net_clients[nb_net_clients++] = "nic";
|
5102 |
#ifdef CONFIG_SLIRP
|
5103 |
net_clients[nb_net_clients++] = "user";
|
5104 |
#endif
|
5105 |
} |
5106 |
|
5107 |
for(i = 0;i < nb_net_clients; i++) { |
5108 |
if (net_client_parse(net_clients[i]) < 0) |
5109 |
exit(1);
|
5110 |
} |
5111 |
net_client_check(); |
5112 |
|
5113 |
#ifdef TARGET_I386
|
5114 |
/* XXX: this should be moved in the PC machine instantiation code */
|
5115 |
if (net_boot != 0) { |
5116 |
int netroms = 0; |
5117 |
for (i = 0; i < nb_nics && i < 4; i++) { |
5118 |
const char *model = nd_table[i].model; |
5119 |
char buf[1024]; |
5120 |
if (net_boot & (1 << i)) { |
5121 |
if (model == NULL) |
5122 |
model = "ne2k_pci";
|
5123 |
snprintf(buf, sizeof(buf), "%s/pxe-%s.bin", bios_dir, model); |
5124 |
if (get_image_size(buf) > 0) { |
5125 |
if (nb_option_roms >= MAX_OPTION_ROMS) {
|
5126 |
fprintf(stderr, "Too many option ROMs\n");
|
5127 |
exit(1);
|
5128 |
} |
5129 |
option_rom[nb_option_roms] = strdup(buf); |
5130 |
nb_option_roms++; |
5131 |
netroms++; |
5132 |
} |
5133 |
} |
5134 |
} |
5135 |
if (netroms == 0) { |
5136 |
fprintf(stderr, "No valid PXE rom found for network device\n");
|
5137 |
exit(1);
|
5138 |
} |
5139 |
} |
5140 |
#endif
|
5141 |
|
5142 |
/* init the bluetooth world */
|
5143 |
for (i = 0; i < nb_bt_opts; i++) |
5144 |
if (bt_parse(bt_opts[i]))
|
5145 |
exit(1);
|
5146 |
|
5147 |
/* init the memory */
|
5148 |
if (ram_size == 0) |
5149 |
ram_size = DEFAULT_RAM_SIZE * 1024 * 1024; |
5150 |
|
5151 |
#ifdef CONFIG_KQEMU
|
5152 |
/* FIXME: This is a nasty hack because kqemu can't cope with dynamic
|
5153 |
guest ram allocation. It needs to go away. */
|
5154 |
if (kqemu_allowed) {
|
5155 |
kqemu_phys_ram_size = ram_size + VGA_RAM_SIZE + 4 * 1024 * 1024; |
5156 |
kqemu_phys_ram_base = qemu_vmalloc(kqemu_phys_ram_size); |
5157 |
if (!kqemu_phys_ram_base) {
|
5158 |
fprintf(stderr, "Could not allocate physical memory\n");
|
5159 |
exit(1);
|
5160 |
} |
5161 |
} |
5162 |
#endif
|
5163 |
|
5164 |
/* init the dynamic translator */
|
5165 |
cpu_exec_init_all(tb_size * 1024 * 1024); |
5166 |
|
5167 |
bdrv_init(); |
5168 |
dma_helper_init(); |
5169 |
|
5170 |
/* we always create the cdrom drive, even if no disk is there */
|
5171 |
|
5172 |
if (nb_drives_opt < MAX_DRIVES)
|
5173 |
drive_add(NULL, CDROM_ALIAS);
|
5174 |
|
5175 |
/* we always create at least one floppy */
|
5176 |
|
5177 |
if (nb_drives_opt < MAX_DRIVES)
|
5178 |
drive_add(NULL, FD_ALIAS, 0); |
5179 |
|
5180 |
/* we always create one sd slot, even if no card is in it */
|
5181 |
|
5182 |
if (nb_drives_opt < MAX_DRIVES)
|
5183 |
drive_add(NULL, SD_ALIAS);
|
5184 |
|
5185 |
/* open the virtual block devices */
|
5186 |
|
5187 |
for(i = 0; i < nb_drives_opt; i++) |
5188 |
if (drive_init(&drives_opt[i], snapshot, machine) == -1) |
5189 |
exit(1);
|
5190 |
|
5191 |
register_savevm("timer", 0, 2, timer_save, timer_load, NULL); |
5192 |
register_savevm_live("ram", 0, 3, ram_save_live, NULL, ram_load, NULL); |
5193 |
|
5194 |
#ifndef _WIN32
|
5195 |
/* must be after terminal init, SDL library changes signal handlers */
|
5196 |
termsig_setup(); |
5197 |
#endif
|
5198 |
|
5199 |
/* Maintain compatibility with multiple stdio monitors */
|
5200 |
if (!strcmp(monitor_device,"stdio")) { |
5201 |
for (i = 0; i < MAX_SERIAL_PORTS; i++) { |
5202 |
const char *devname = serial_devices[i]; |
5203 |
if (devname && !strcmp(devname,"mon:stdio")) { |
5204 |
monitor_device = NULL;
|
5205 |
break;
|
5206 |
} else if (devname && !strcmp(devname,"stdio")) { |
5207 |
monitor_device = NULL;
|
5208 |
serial_devices[i] = "mon:stdio";
|
5209 |
break;
|
5210 |
} |
5211 |
} |
5212 |
} |
5213 |
|
5214 |
if (kvm_enabled()) {
|
5215 |
int ret;
|
5216 |
|
5217 |
ret = kvm_init(smp_cpus); |
5218 |
if (ret < 0) { |
5219 |
fprintf(stderr, "failed to initialize KVM\n");
|
5220 |
exit(1);
|
5221 |
} |
5222 |
} |
5223 |
|
5224 |
if (monitor_device) {
|
5225 |
monitor_hd = qemu_chr_open("monitor", monitor_device, NULL); |
5226 |
if (!monitor_hd) {
|
5227 |
fprintf(stderr, "qemu: could not open monitor device '%s'\n", monitor_device);
|
5228 |
exit(1);
|
5229 |
} |
5230 |
} |
5231 |
|
5232 |
for(i = 0; i < MAX_SERIAL_PORTS; i++) { |
5233 |
const char *devname = serial_devices[i]; |
5234 |
if (devname && strcmp(devname, "none")) { |
5235 |
char label[32]; |
5236 |
snprintf(label, sizeof(label), "serial%d", i); |
5237 |
serial_hds[i] = qemu_chr_open(label, devname, NULL);
|
5238 |
if (!serial_hds[i]) {
|
5239 |
fprintf(stderr, "qemu: could not open serial device '%s'\n",
|
5240 |
devname); |
5241 |
exit(1);
|
5242 |
} |
5243 |
} |
5244 |
} |
5245 |
|
5246 |
for(i = 0; i < MAX_PARALLEL_PORTS; i++) { |
5247 |
const char *devname = parallel_devices[i]; |
5248 |
if (devname && strcmp(devname, "none")) { |
5249 |
char label[32]; |
5250 |
snprintf(label, sizeof(label), "parallel%d", i); |
5251 |
parallel_hds[i] = qemu_chr_open(label, devname, NULL);
|
5252 |
if (!parallel_hds[i]) {
|
5253 |
fprintf(stderr, "qemu: could not open parallel device '%s'\n",
|
5254 |
devname); |
5255 |
exit(1);
|
5256 |
} |
5257 |
} |
5258 |
} |
5259 |
|
5260 |
for(i = 0; i < MAX_VIRTIO_CONSOLES; i++) { |
5261 |
const char *devname = virtio_consoles[i]; |
5262 |
if (devname && strcmp(devname, "none")) { |
5263 |
char label[32]; |
5264 |
snprintf(label, sizeof(label), "virtcon%d", i); |
5265 |
virtcon_hds[i] = qemu_chr_open(label, devname, NULL);
|
5266 |
if (!virtcon_hds[i]) {
|
5267 |
fprintf(stderr, "qemu: could not open virtio console '%s'\n",
|
5268 |
devname); |
5269 |
exit(1);
|
5270 |
} |
5271 |
} |
5272 |
} |
5273 |
|
5274 |
machine->init(ram_size, vga_ram_size, boot_devices, |
5275 |
kernel_filename, kernel_cmdline, initrd_filename, cpu_model); |
5276 |
|
5277 |
current_machine = machine; |
5278 |
|
5279 |
/* Set KVM's vcpu state to qemu's initial CPUState. */
|
5280 |
if (kvm_enabled()) {
|
5281 |
int ret;
|
5282 |
|
5283 |
ret = kvm_sync_vcpus(); |
5284 |
if (ret < 0) { |
5285 |
fprintf(stderr, "failed to initialize vcpus\n");
|
5286 |
exit(1);
|
5287 |
} |
5288 |
} |
5289 |
|
5290 |
/* init USB devices */
|
5291 |
if (usb_enabled) {
|
5292 |
for(i = 0; i < usb_devices_index; i++) { |
5293 |
if (usb_device_add(usb_devices[i], 0) < 0) { |
5294 |
fprintf(stderr, "Warning: could not add USB device %s\n",
|
5295 |
usb_devices[i]); |
5296 |
} |
5297 |
} |
5298 |
} |
5299 |
|
5300 |
if (!display_state)
|
5301 |
dumb_display_init(); |
5302 |
/* just use the first displaystate for the moment */
|
5303 |
ds = display_state; |
5304 |
/* terminal init */
|
5305 |
if (nographic) {
|
5306 |
if (curses) {
|
5307 |
fprintf(stderr, "fatal: -nographic can't be used with -curses\n");
|
5308 |
exit(1);
|
5309 |
} |
5310 |
} else {
|
5311 |
#if defined(CONFIG_CURSES)
|
5312 |
if (curses) {
|
5313 |
/* At the moment curses cannot be used with other displays */
|
5314 |
curses_display_init(ds, full_screen); |
5315 |
} else
|
5316 |
#endif
|
5317 |
{ |
5318 |
if (vnc_display != NULL) { |
5319 |
vnc_display_init(ds); |
5320 |
if (vnc_display_open(ds, vnc_display) < 0) |
5321 |
exit(1);
|
5322 |
} |
5323 |
#if defined(CONFIG_SDL)
|
5324 |
if (sdl || !vnc_display)
|
5325 |
sdl_display_init(ds, full_screen, no_frame); |
5326 |
#elif defined(CONFIG_COCOA)
|
5327 |
if (sdl || !vnc_display)
|
5328 |
cocoa_display_init(ds, full_screen); |
5329 |
#endif
|
5330 |
} |
5331 |
} |
5332 |
dpy_resize(ds); |
5333 |
|
5334 |
dcl = ds->listeners; |
5335 |
while (dcl != NULL) { |
5336 |
if (dcl->dpy_refresh != NULL) { |
5337 |
ds->gui_timer = qemu_new_timer(rt_clock, gui_update, ds); |
5338 |
qemu_mod_timer(ds->gui_timer, qemu_get_clock(rt_clock)); |
5339 |
} |
5340 |
dcl = dcl->next; |
5341 |
} |
5342 |
|
5343 |
if (nographic || (vnc_display && !sdl)) {
|
5344 |
nographic_timer = qemu_new_timer(rt_clock, nographic_update, NULL);
|
5345 |
qemu_mod_timer(nographic_timer, qemu_get_clock(rt_clock)); |
5346 |
} |
5347 |
|
5348 |
text_consoles_set_display(display_state); |
5349 |
qemu_chr_initial_reset(); |
5350 |
|
5351 |
if (monitor_device && monitor_hd)
|
5352 |
monitor_init(monitor_hd, MONITOR_USE_READLINE | MONITOR_IS_DEFAULT); |
5353 |
|
5354 |
for(i = 0; i < MAX_SERIAL_PORTS; i++) { |
5355 |
const char *devname = serial_devices[i]; |
5356 |
if (devname && strcmp(devname, "none")) { |
5357 |
char label[32]; |
5358 |
snprintf(label, sizeof(label), "serial%d", i); |
5359 |
if (strstart(devname, "vc", 0)) |
5360 |
qemu_chr_printf(serial_hds[i], "serial%d console\r\n", i);
|
5361 |
} |
5362 |
} |
5363 |
|
5364 |
for(i = 0; i < MAX_PARALLEL_PORTS; i++) { |
5365 |
const char *devname = parallel_devices[i]; |
5366 |
if (devname && strcmp(devname, "none")) { |
5367 |
char label[32]; |
5368 |
snprintf(label, sizeof(label), "parallel%d", i); |
5369 |
if (strstart(devname, "vc", 0)) |
5370 |
qemu_chr_printf(parallel_hds[i], "parallel%d console\r\n", i);
|
5371 |
} |
5372 |
} |
5373 |
|
5374 |
for(i = 0; i < MAX_VIRTIO_CONSOLES; i++) { |
5375 |
const char *devname = virtio_consoles[i]; |
5376 |
if (virtcon_hds[i] && devname) {
|
5377 |
char label[32]; |
5378 |
snprintf(label, sizeof(label), "virtcon%d", i); |
5379 |
if (strstart(devname, "vc", 0)) |
5380 |
qemu_chr_printf(virtcon_hds[i], "virtio console%d\r\n", i);
|
5381 |
} |
5382 |
} |
5383 |
|
5384 |
#ifdef CONFIG_GDBSTUB
|
5385 |
if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) { |
5386 |
fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n",
|
5387 |
gdbstub_dev); |
5388 |
exit(1);
|
5389 |
} |
5390 |
#endif
|
5391 |
|
5392 |
if (loadvm)
|
5393 |
do_loadvm(cur_mon, loadvm); |
5394 |
|
5395 |
if (incoming) {
|
5396 |
autostart = 0; /* fixme how to deal with -daemonize */ |
5397 |
qemu_start_incoming_migration(incoming); |
5398 |
} |
5399 |
|
5400 |
if (autostart)
|
5401 |
vm_start(); |
5402 |
|
5403 |
#ifndef _WIN32
|
5404 |
if (daemonize) {
|
5405 |
uint8_t status = 0;
|
5406 |
ssize_t len; |
5407 |
|
5408 |
again1:
|
5409 |
len = write(fds[1], &status, 1); |
5410 |
if (len == -1 && (errno == EINTR)) |
5411 |
goto again1;
|
5412 |
|
5413 |
if (len != 1) |
5414 |
exit(1);
|
5415 |
|
5416 |
chdir("/");
|
5417 |
TFR(fd = open("/dev/null", O_RDWR));
|
5418 |
if (fd == -1) |
5419 |
exit(1);
|
5420 |
} |
5421 |
|
5422 |
if (run_as) {
|
5423 |
pwd = getpwnam(run_as); |
5424 |
if (!pwd) {
|
5425 |
fprintf(stderr, "User \"%s\" doesn't exist\n", run_as);
|
5426 |
exit(1);
|
5427 |
} |
5428 |
} |
5429 |
|
5430 |
if (chroot_dir) {
|
5431 |
if (chroot(chroot_dir) < 0) { |
5432 |
fprintf(stderr, "chroot failed\n");
|
5433 |
exit(1);
|
5434 |
} |
5435 |
chdir("/");
|
5436 |
} |
5437 |
|
5438 |
if (run_as) {
|
5439 |
if (setgid(pwd->pw_gid) < 0) { |
5440 |
fprintf(stderr, "Failed to setgid(%d)\n", pwd->pw_gid);
|
5441 |
exit(1);
|
5442 |
} |
5443 |
if (setuid(pwd->pw_uid) < 0) { |
5444 |
fprintf(stderr, "Failed to setuid(%d)\n", pwd->pw_uid);
|
5445 |
exit(1);
|
5446 |
} |
5447 |
if (setuid(0) != -1) { |
5448 |
fprintf(stderr, "Dropping privileges failed\n");
|
5449 |
exit(1);
|
5450 |
} |
5451 |
} |
5452 |
|
5453 |
if (daemonize) {
|
5454 |
dup2(fd, 0);
|
5455 |
dup2(fd, 1);
|
5456 |
dup2(fd, 2);
|
5457 |
|
5458 |
close(fd); |
5459 |
} |
5460 |
#endif
|
5461 |
|
5462 |
main_loop(); |
5463 |
quit_timers(); |
5464 |
net_cleanup(); |
5465 |
|
5466 |
return 0; |
5467 |
} |