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vl-android.c
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/*
* QEMU System Emulator
*
* Copyright (c) 2003-2008 Fabrice Bellard
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
/* the following is needed on Linux to define ptsname() in stdlib.h */
#if defined(__linux__)
#define _GNU_SOURCE 1
#endif
#include "qemu-common.h"
#include "hw/hw.h"
#include "hw/boards.h"
#include "hw/i386/pc.h"
#include "hw/audiodev.h"
#include "hw/isa/isa.h"
#include "hw/loader.h"
#include "hw/android/goldfish/nand.h"
#include "net/net.h"
#include "ui/console.h"
#include "sysemu/sysemu.h"
#include "exec/gdbstub.h"
#include "exec/code-profile.h"
#include "qemu/log.h"
#include "qemu/timer.h"
#include "sysemu/char.h"
#include "sysemu/blockdev.h"
#include "audio/audio.h"
#include "android/android.h"
#include "android/camera/camera-service.h"
#include "android/charpipe.h"
#include "android/display-core.h"
#include "android/ext4_resize.h"
#include "android/filesystems/ext4_utils.h"
#include "android/filesystems/fstab_parser.h"
#include "android/filesystems/partition_types.h"
#include "android/filesystems/ramdisk_extractor.h"
#include "android/globals.h"
#include "android/gps.h"
#include "android/hw-kmsg.h"
#include "android/hw-pipe-net.h"
#include "android/hw-qemud.h"
#include "android/hw-sensors.h"
#include "android/log-rotate.h"
#include "android/multitouch-port.h"
#include "android/multitouch-screen.h"
#include "android/opengles.h"
#include "android/opengl/emugl_config.h"
#include "android/skin/charmap.h"
#include "android/snapshot.h"
#include "android/tcpdump.h"
#include "android/utils/bufprint.h"
#include "android/utils/debug.h"
#include "android/utils/filelock.h"
#include "android/utils/path.h"
#include "android/utils/socket_drainer.h"
#include "android/utils/stralloc.h"
#include "android/utils/tempfile.h"
#include "android/utils/timezone.h"
#include "android/wear-agent/android_wear_agent.h"
#include "exec/hwaddr.h"
#include "migration/qemu-file.h"
#include "modem_driver.h"
#include <errno.h>
#include <fcntl.h>
#include <signal.h>
#include <sys/time.h>
#include <time.h>
#include <unistd.h>
#include <zlib.h>
/* Needed early for CONFIG_BSD etc. */
#include "config-host.h"
#ifndef _WIN32
#include <libgen.h>
#include <sys/times.h>
#include <sys/wait.h>
#include <termios.h>
#include <sys/mman.h>
#include <sys/ioctl.h>
#include <sys/resource.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <net/if.h>
#if defined(__NetBSD__)
#include <net/if_tap.h>
#endif
#ifdef __linux__
#include <linux/if_tun.h>
#endif
#include <arpa/inet.h>
#include <dirent.h>
#include <netdb.h>
#include <sys/select.h>
#ifdef CONFIG_BSD
#include <sys/stat.h>
#if defined(__FreeBSD__) || defined(__DragonFly__)
#include <libutil.h>
#else
#include <util.h>
#endif
#elif defined (__GLIBC__) && defined (__FreeBSD_kernel__)
#include <freebsd/stdlib.h>
#else
#ifdef __linux__
#include <pty.h>
#include <malloc.h>
#include <linux/rtc.h>
/* For the benefit of older linux systems which don't supply it,
we use a local copy of hpet.h. */
/* #include <linux/hpet.h> */
#include "hw/timer/hpet.h"
#include <linux/ppdev.h>
#include <linux/parport.h>
#endif
#ifdef __sun__
#include <sys/stat.h>
#include <sys/ethernet.h>
#include <sys/sockio.h>
#include <netinet/arp.h>
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/ip.h>
#include <netinet/ip_icmp.h> // must come after ip.h
#include <netinet/udp.h>
#include <netinet/tcp.h>
#include <net/if.h>
#include <syslog.h>
#include <stropts.h>
#endif
#endif
#endif
#if defined(__OpenBSD__)
#include <util.h>
#endif
#if defined(CONFIG_VDE)
#include <libvdeplug.h>
#endif
#ifdef _WIN32
#include <windows.h>
#include <malloc.h>
#include <sys/timeb.h>
#include <mmsystem.h>
#define getopt_long_only getopt_long
#define memalign(align, size) malloc(size)
#endif
#include "sysemu/cpus.h"
#include "sysemu/arch_init.h"
#ifdef CONFIG_COCOA
int qemu_main(int argc, char **argv, char **envp);
#undef main
#define main qemu_main
#endif /* CONFIG_COCOA */
#include "hw/hw.h"
#include "hw/boards.h"
#include "hw/i386/pc.h"
#include "hw/isa/isa.h"
#include "sysemu/watchdog.h"
#include "hw/i386/smbios.h"
#include "hw/xen/xen.h"
#include "net/net.h"
#include "monitor/monitor.h"
#include "ui/console.h"
#include "sysemu/sysemu.h"
#include "exec/gdbstub.h"
#include "qemu/timer.h"
#include "sysemu/char.h"
#include "qemu/cache-utils.h"
#include "block/block.h"
#include "sysemu/dma.h"
#include "audio/audio.h"
#include "migration/migration.h"
#include "sysemu/kvm.h"
#include "exec/hax.h"
#ifdef CONFIG_KVM
#include "android/kvm.h"
#endif
#include "sysemu/balloon.h"
#include "android/hw-lcd.h"
#include "android/boot-properties.h"
#include "android/hw-control.h"
#include "android/core-init-utils.h"
#include "android/audio-test.h"
#include "android/snaphost-android.h"
#if !defined(CONFIG_STANDALONE_CORE)
/* in android/qemulator.c */
extern void android_emulator_set_base_port(int port);
#endif
#if defined(CONFIG_SKINS) && !defined(CONFIG_STANDALONE_CORE)
#undef main
#define main qemu_main
#endif
#include "disas/disas.h"
#include "qemu/sockets.h"
#if defined(CONFIG_SLIRP)
#include "libslirp.h"
#endif
#define DEFAULT_RAM_SIZE 128
/* Max number of USB devices that can be specified on the commandline. */
#define MAX_USB_CMDLINE 8
/* Max number of bluetooth switches on the commandline. */
#define MAX_BT_CMDLINE 10
/* XXX: use a two level table to limit memory usage */
static const char *data_dir;
const char *bios_name = NULL;
static void *ioport_opaque[MAX_IOPORTS];
static IOPortReadFunc *ioport_read_table[3][MAX_IOPORTS];
static IOPortWriteFunc *ioport_write_table[3][MAX_IOPORTS];
#ifdef MAX_DRIVES
/* Note: drives_table[MAX_DRIVES] is a dummy block driver if none available
to store the VM snapshots */
DriveInfo drives_table[MAX_DRIVES+1];
int nb_drives;
#endif
enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
DisplayType display_type = DT_DEFAULT;
const char* keyboard_layout = NULL;
int64_t ticks_per_sec;
ram_addr_t ram_size;
bool xen_allowed;
const char *mem_path = NULL;
#ifdef MAP_POPULATE
int mem_prealloc = 0; /* force preallocation of physical target memory */
#endif
int nb_nics;
NICInfo nd_table[MAX_NICS];
int vm_running;
int autostart;
static int rtc_utc = 1;
static int rtc_date_offset = -1; /* -1 means no change */
int cirrus_vga_enabled = 1;
int std_vga_enabled = 0;
int vmsvga_enabled = 0;
int xenfb_enabled = 0;
static int full_screen = 0;
#if defined(CONFIG_SDL) || defined(CONFIG_QT)
static int no_frame = 0;
#endif
int no_quit = 0;
CharDriverState *serial_hds[MAX_SERIAL_PORTS];
int serial_hds_count;
CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
#ifdef TARGET_I386
int win2k_install_hack = 0;
int rtc_td_hack = 0;
#endif
int usb_enabled = 0;
int singlestep = 0;
int smp_cpus = 1;
const char *vnc_display;
int acpi_enabled = 1;
int no_hpet = 0;
int hax_disabled = 1;
int no_virtio_balloon = 0;
int fd_bootchk = 1;
int no_reboot = 0;
int no_shutdown = 0;
int cursor_hide = 1;
int graphic_rotate = 0;
WatchdogTimerModel *watchdog = NULL;
int watchdog_action = WDT_RESET;
const char *option_rom[MAX_OPTION_ROMS];
int nb_option_roms;
int semihosting_enabled = 0;
#ifdef TARGET_ARM
int old_param = 0;
#endif
const char *qemu_name;
int alt_grab = 0;
#if defined(TARGET_SPARC) || defined(TARGET_PPC)
unsigned int nb_prom_envs = 0;
const char *prom_envs[MAX_PROM_ENVS];
#endif
#ifdef MAX_DRIVES
int nb_drives_opt;
struct drive_opt drives_opt[MAX_DRIVES];
#endif
int nb_numa_nodes;
uint64_t node_mem[MAX_NODES];
uint64_t node_cpumask[MAX_NODES];
static QEMUTimer *nographic_timer;
uint8_t qemu_uuid[16];
int qemu_cpu_delay;
extern char* audio_input_source;
extern char* android_op_ports;
extern char* android_op_port;
extern char* android_op_report_console;
extern char* op_http_proxy;
// Path to the file containing specific key character map.
char* op_charmap_file = NULL;
/* Path to hardware initialization file passed with -android-hw option. */
char* android_op_hwini = NULL;
/* Memory checker options. */
char* android_op_memcheck = NULL;
/* -dns-server option value. */
char* android_op_dns_server = NULL;
/* -radio option value. */
char* android_op_radio = NULL;
/* -gps option value. */
char* android_op_gps = NULL;
/* -audio option value. */
char* android_op_audio = NULL;
/* -cpu-delay option value. */
char* android_op_cpu_delay = NULL;
#ifdef CONFIG_NAND_LIMITS
/* -nand-limits option value. */
char* android_op_nand_limits = NULL;
#endif // CONFIG_NAND_LIMITS
/* -netspeed option value. */
char* android_op_netspeed = NULL;
/* -netdelay option value. */
char* android_op_netdelay = NULL;
/* -netfast option value. */
int android_op_netfast = 0;
/* -tcpdump option value. */
char* android_op_tcpdump = NULL;
/* -lcd-density option value. */
char* android_op_lcd_density = NULL;
/* -ui-port option value. This port will be used to report the core
* initialization completion.
*/
char* android_op_ui_port = NULL;
/* -ui-settings option value. This value will be passed to the UI when new UI
* process is attaching to the core.
*/
char* android_op_ui_settings = NULL;
/* -android-avdname option value. */
char* android_op_avd_name = "unknown";
// TODO(digit): Remove this
extern bool android_op_wipe_data;
extern int android_display_width;
extern int android_display_height;
extern int android_display_bpp;
extern void dprint( const char* format, ... );
const char* dns_log_filename = NULL;
const char* drop_log_filename = NULL;
const char* savevm_on_exit = NULL;
#define TFR(expr) do { if ((expr) != -1) break; } while (errno == EINTR)
/* Reports the core initialization failure to the error stdout and to the UI
* socket before exiting the application.
* Parameters that are passed to this macro are used to format the error
* mesage using sprintf routine.
*/
#ifdef CONFIG_ANDROID
#define PANIC(...) android_core_init_failure(__VA_ARGS__)
#else
#define PANIC(...) do { fprintf(stderr, __VA_ARGS__); \
exit(1); \
} while (0)
#endif // CONFIG_ANDROID
/* Exits the core during initialization. */
#ifdef CONFIG_ANDROID
#define QEMU_EXIT(exit_code) android_core_init_exit(exit_code)
#else
#define QEMU_EXIT(exit_code) exit(exit_code)
#endif // CONFIG_ANDROID
/***********************************************************/
/* x86 ISA bus support */
hwaddr isa_mem_base = 0;
PicState2 *isa_pic;
static IOPortReadFunc default_ioport_readb, default_ioport_readw, default_ioport_readl;
static IOPortWriteFunc default_ioport_writeb, default_ioport_writew, default_ioport_writel;
static uint32_t ioport_read(int index, uint32_t address)
{
static IOPortReadFunc *default_func[3] = {
default_ioport_readb,
default_ioport_readw,
default_ioport_readl
};
IOPortReadFunc *func = ioport_read_table[index][address];
if (!func)
func = default_func[index];
return func(ioport_opaque[address], address);
}
static void ioport_write(int index, uint32_t address, uint32_t data)
{
static IOPortWriteFunc *default_func[3] = {
default_ioport_writeb,
default_ioport_writew,
default_ioport_writel
};
IOPortWriteFunc *func = ioport_write_table[index][address];
if (!func)
func = default_func[index];
func(ioport_opaque[address], address, data);
}
static uint32_t default_ioport_readb(void *opaque, uint32_t address)
{
#ifdef DEBUG_UNUSED_IOPORT
fprintf(stderr, "unused inb: port=0x%04x\n", address);
#endif
return 0xff;
}
static void default_ioport_writeb(void *opaque, uint32_t address, uint32_t data)
{
#ifdef DEBUG_UNUSED_IOPORT
fprintf(stderr, "unused outb: port=0x%04x data=0x%02x\n", address, data);
#endif
}
/* default is to make two byte accesses */
static uint32_t default_ioport_readw(void *opaque, uint32_t address)
{
uint32_t data;
data = ioport_read(0, address);
address = (address + 1) & (MAX_IOPORTS - 1);
data |= ioport_read(0, address) << 8;
return data;
}
static void default_ioport_writew(void *opaque, uint32_t address, uint32_t data)
{
ioport_write(0, address, data & 0xff);
address = (address + 1) & (MAX_IOPORTS - 1);
ioport_write(0, address, (data >> 8) & 0xff);
}
static uint32_t default_ioport_readl(void *opaque, uint32_t address)
{
#ifdef DEBUG_UNUSED_IOPORT
fprintf(stderr, "unused inl: port=0x%04x\n", address);
#endif
return 0xffffffff;
}
static void default_ioport_writel(void *opaque, uint32_t address, uint32_t data)
{
#ifdef DEBUG_UNUSED_IOPORT
fprintf(stderr, "unused outl: port=0x%04x data=0x%02x\n", address, data);
#endif
}
/***************/
/* ballooning */
static QEMUBalloonEvent *qemu_balloon_event;
void *qemu_balloon_event_opaque;
void qemu_add_balloon_handler(QEMUBalloonEvent *func, void *opaque)
{
qemu_balloon_event = func;
qemu_balloon_event_opaque = opaque;
}
void qemu_balloon(ram_addr_t target)
{
if (qemu_balloon_event)
qemu_balloon_event(qemu_balloon_event_opaque, target);
}
ram_addr_t qemu_balloon_status(void)
{
if (qemu_balloon_event)
return qemu_balloon_event(qemu_balloon_event_opaque, 0);
return 0;
}
/***********************************************************/
/* host time/date access */
void qemu_get_timedate(struct tm *tm, int offset)
{
time_t ti;
struct tm *ret;
time(&ti);
ti += offset;
if (rtc_date_offset == -1) {
if (rtc_utc)
ret = gmtime(&ti);
else
ret = localtime(&ti);
} else {
ti -= rtc_date_offset;
ret = gmtime(&ti);
}
memcpy(tm, ret, sizeof(struct tm));
}
int qemu_timedate_diff(struct tm *tm)
{
time_t seconds;
if (rtc_date_offset == -1)
if (rtc_utc)
seconds = mktimegm(tm);
else
seconds = mktime(tm);
else
seconds = mktimegm(tm) + rtc_date_offset;
return seconds - time(NULL);
}
/***********************************************************/
/* QEMU Block devices */
#define HD_ALIAS "index=%d,media=disk"
#define CDROM_ALIAS "index=2,media=cdrom"
#define FD_ALIAS "index=%d,if=floppy"
#define PFLASH_ALIAS "if=pflash"
#define MTD_ALIAS "if=mtd"
#define SD_ALIAS "index=0,if=sd"
static int drive_init_func(QemuOpts *opts, void *opaque)
{
int *use_scsi = opaque;
int fatal_error = 0;
if (drive_init(opts, *use_scsi, &fatal_error) == NULL) {
if (fatal_error)
return 1;
}
return 0;
}
static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
{
if (NULL == qemu_opt_get(opts, "snapshot")) {
qemu_opt_set(opts, "snapshot", "on");
}
return 0;
}
#ifdef MAX_DRIVES
static int drive_opt_get_free_idx(void)
{
int index;
for (index = 0; index < MAX_DRIVES; index++)
if (!drives_opt[index].used) {
drives_opt[index].used = 1;
return index;
}
return -1;
}
static int drive_get_free_idx(void)
{
int index;
for (index = 0; index < MAX_DRIVES; index++)
if (!drives_table[index].used) {
drives_table[index].used = 1;
return index;
}
return -1;
}
int drive_add(const char *file, const char *fmt, ...)
{
va_list ap;
int index = drive_opt_get_free_idx();
if (nb_drives_opt >= MAX_DRIVES || index == -1) {
fprintf(stderr, "qemu: too many drives\n");
return -1;
}
drives_opt[index].file = file;
va_start(ap, fmt);
vsnprintf(drives_opt[index].opt,
sizeof(drives_opt[0].opt), fmt, ap);
va_end(ap);
nb_drives_opt++;
return index;
}
void drive_remove(int index)
{
drives_opt[index].used = 0;
nb_drives_opt--;
}
int drive_get_index(BlockInterfaceType type, int bus, int unit)
{
int index;
/* seek interface, bus and unit */
for (index = 0; index < MAX_DRIVES; index++)
if (drives_table[index].type == type &&
drives_table[index].bus == bus &&
drives_table[index].unit == unit &&
drives_table[index].used)
return index;
return -1;
}
int drive_get_max_bus(BlockInterfaceType type)
{
int max_bus;
int index;
max_bus = -1;
for (index = 0; index < nb_drives; index++) {
if(drives_table[index].type == type &&
drives_table[index].bus > max_bus)
max_bus = drives_table[index].bus;
}
return max_bus;
}
const char *drive_get_serial(BlockDriverState *bdrv)
{
int index;
for (index = 0; index < nb_drives; index++)
if (drives_table[index].bdrv == bdrv)
return drives_table[index].serial;
return "\0";
}
BlockInterfaceErrorAction drive_get_onerror(BlockDriverState *bdrv)
{
int index;
for (index = 0; index < nb_drives; index++)
if (drives_table[index].bdrv == bdrv)
return drives_table[index].onerror;
return BLOCK_ERR_STOP_ENOSPC;
}
static void bdrv_format_print(void *opaque, const char *name)
{
fprintf(stderr, " %s", name);
}
void drive_uninit(BlockDriverState *bdrv)
{
int i;
for (i = 0; i < MAX_DRIVES; i++)
if (drives_table[i].bdrv == bdrv) {
drives_table[i].bdrv = NULL;
drives_table[i].used = 0;
drive_remove(drives_table[i].drive_opt_idx);
nb_drives--;
break;
}
}
int drive_init(struct drive_opt *arg, int snapshot, void *opaque)
{
char buf[128];
char file[1024];
char devname[128];
char serial[21];
const char *mediastr = "";
BlockInterfaceType type;
enum { MEDIA_DISK, MEDIA_CDROM } media;
int bus_id, unit_id;
int cyls, heads, secs, translation;
BlockDriverState *bdrv;
BlockDriver *drv = NULL;
QEMUMachine *machine = opaque;
int max_devs;
int index;
int cache;
int bdrv_flags, onerror;
int drives_table_idx;
char *str = arg->opt;
static const char * const params[] = { "bus", "unit", "if", "index",
"cyls", "heads", "secs", "trans",
"media", "snapshot", "file",
"cache", "format", "serial", "werror",
NULL };
if (check_params(buf, sizeof(buf), params, str) < 0) {
fprintf(stderr, "qemu: unknown parameter '%s' in '%s'\n",
buf, str);
return -1;
}
file[0] = 0;
cyls = heads = secs = 0;
bus_id = 0;
unit_id = -1;
translation = BIOS_ATA_TRANSLATION_AUTO;
index = -1;
cache = 3;
if (machine->use_scsi) {
type = IF_SCSI;
max_devs = MAX_SCSI_DEVS;
pstrcpy(devname, sizeof(devname), "scsi");
} else {
type = IF_IDE;
max_devs = MAX_IDE_DEVS;
pstrcpy(devname, sizeof(devname), "ide");
}
media = MEDIA_DISK;
/* extract parameters */
if (get_param_value(buf, sizeof(buf), "bus", str)) {
bus_id = strtol(buf, NULL, 0);
if (bus_id < 0) {
fprintf(stderr, "qemu: '%s' invalid bus id\n", str);
return -1;
}
}
if (get_param_value(buf, sizeof(buf), "unit", str)) {
unit_id = strtol(buf, NULL, 0);
if (unit_id < 0) {
fprintf(stderr, "qemu: '%s' invalid unit id\n", str);
return -1;
}
}
if (get_param_value(buf, sizeof(buf), "if", str)) {
pstrcpy(devname, sizeof(devname), buf);
if (!strcmp(buf, "ide")) {
type = IF_IDE;
max_devs = MAX_IDE_DEVS;
} else if (!strcmp(buf, "scsi")) {
type = IF_SCSI;
max_devs = MAX_SCSI_DEVS;
} else if (!strcmp(buf, "floppy")) {
type = IF_FLOPPY;
max_devs = 0;
} else if (!strcmp(buf, "pflash")) {
type = IF_PFLASH;
max_devs = 0;
} else if (!strcmp(buf, "mtd")) {
type = IF_MTD;
max_devs = 0;
} else if (!strcmp(buf, "sd")) {
type = IF_SD;
max_devs = 0;
} else if (!strcmp(buf, "virtio")) {
type = IF_VIRTIO;
max_devs = 0;
} else if (!strcmp(buf, "xen")) {
type = IF_XEN;
max_devs = 0;
} else {
fprintf(stderr, "qemu: '%s' unsupported bus type '%s'\n", str, buf);
return -1;
}
}
if (get_param_value(buf, sizeof(buf), "index", str)) {
index = strtol(buf, NULL, 0);
if (index < 0) {
fprintf(stderr, "qemu: '%s' invalid index\n", str);
return -1;
}
}
if (get_param_value(buf, sizeof(buf), "cyls", str)) {
cyls = strtol(buf, NULL, 0);
}
if (get_param_value(buf, sizeof(buf), "heads", str)) {
heads = strtol(buf, NULL, 0);
}
if (get_param_value(buf, sizeof(buf), "secs", str)) {
secs = strtol(buf, NULL, 0);
}
if (cyls || heads || secs) {
if (cyls < 1 || cyls > 16383) {
fprintf(stderr, "qemu: '%s' invalid physical cyls number\n", str);
return -1;
}
if (heads < 1 || heads > 16) {
fprintf(stderr, "qemu: '%s' invalid physical heads number\n", str);
return -1;
}
if (secs < 1 || secs > 63) {
fprintf(stderr, "qemu: '%s' invalid physical secs number\n", str);
return -1;
}
}
if (get_param_value(buf, sizeof(buf), "trans", str)) {
if (!cyls) {
fprintf(stderr,
"qemu: '%s' trans must be used with cyls,heads and secs\n",
str);
return -1;
}
if (!strcmp(buf, "none"))
translation = BIOS_ATA_TRANSLATION_NONE;
else if (!strcmp(buf, "lba"))
translation = BIOS_ATA_TRANSLATION_LBA;
else if (!strcmp(buf, "auto"))
translation = BIOS_ATA_TRANSLATION_AUTO;
else {
fprintf(stderr, "qemu: '%s' invalid translation type\n", str);
return -1;
}
}
if (get_param_value(buf, sizeof(buf), "media", str)) {
if (!strcmp(buf, "disk")) {
media = MEDIA_DISK;
} else if (!strcmp(buf, "cdrom")) {
if (cyls || secs || heads) {
fprintf(stderr,
"qemu: '%s' invalid physical CHS format\n", str);
return -1;
}
media = MEDIA_CDROM;
} else {
fprintf(stderr, "qemu: '%s' invalid media\n", str);
return -1;
}
}
if (get_param_value(buf, sizeof(buf), "snapshot", str)) {
if (!strcmp(buf, "on"))
snapshot = 1;
else if (!strcmp(buf, "off"))
snapshot = 0;
else {
fprintf(stderr, "qemu: '%s' invalid snapshot option\n", str);
return -1;
}
}
if (get_param_value(buf, sizeof(buf), "cache", str)) {
if (!strcmp(buf, "off") || !strcmp(buf, "none"))
cache = 0;
else if (!strcmp(buf, "writethrough"))
cache = 1;
else if (!strcmp(buf, "writeback"))
cache = 2;
else {
fprintf(stderr, "qemu: invalid cache option\n");
return -1;
}
}
if (get_param_value(buf, sizeof(buf), "format", str)) {
if (strcmp(buf, "?") == 0) {
fprintf(stderr, "qemu: Supported formats:");
bdrv_iterate_format(bdrv_format_print, NULL);
fprintf(stderr, "\n");
return -1;
}
drv = bdrv_find_format(buf);
if (!drv) {
fprintf(stderr, "qemu: '%s' invalid format\n", buf);
return -1;
}
}
if (arg->file == NULL)
get_param_value(file, sizeof(file), "file", str);
else
pstrcpy(file, sizeof(file), arg->file);
if (!get_param_value(serial, sizeof(serial), "serial", str))
memset(serial, 0, sizeof(serial));
onerror = BLOCK_ERR_STOP_ENOSPC;
if (get_param_value(buf, sizeof(serial), "werror", str)) {
if (type != IF_IDE && type != IF_SCSI && type != IF_VIRTIO) {
fprintf(stderr, "werror is no supported by this format\n");
return -1;
}
if (!strcmp(buf, "ignore"))
onerror = BLOCK_ERR_IGNORE;
else if (!strcmp(buf, "enospc"))
onerror = BLOCK_ERR_STOP_ENOSPC;
else if (!strcmp(buf, "stop"))
onerror = BLOCK_ERR_STOP_ANY;
else if (!strcmp(buf, "report"))
onerror = BLOCK_ERR_REPORT;
else {
fprintf(stderr, "qemu: '%s' invalid write error action\n", buf);
return -1;
}
}
/* compute bus and unit according index */
if (index != -1) {
if (bus_id != 0 || unit_id != -1) {
fprintf(stderr,
"qemu: '%s' index cannot be used with bus and unit\n", str);
return -1;
}
if (max_devs == 0)
{
unit_id = index;
bus_id = 0;
} else {
unit_id = index % max_devs;
bus_id = index / max_devs;
}
}
/* if user doesn't specify a unit_id,
* try to find the first free
*/
if (unit_id == -1) {
unit_id = 0;
while (drive_get_index(type, bus_id, unit_id) != -1) {
unit_id++;
if (max_devs && unit_id >= max_devs) {
unit_id -= max_devs;
bus_id++;
}
}
}
/* check unit id */
if (max_devs && unit_id >= max_devs) {
fprintf(stderr, "qemu: '%s' unit %d too big (max is %d)\n",