/* output Bochs bios info messages */
//#define DEBUG_BIOS
-/* debug IDE devices */
-//#define DEBUG_IDE
-
/* debug PIC */
//#define DEBUG_PIC
#define GUI_REFRESH_INTERVAL 30
-#define MAX_DISKS 2
-
/* from plex86 (BSD license) */
struct __attribute__ ((packed)) linux_params {
// For 0x00..0x3f, see 'struct screen_info' in linux/include/linux/tty.h.
int nographic;
int term_inited;
int64_t ticks_per_sec;
+int boot_device = 'c';
/***********************************************************/
/* x86 io ports */
cmos_data[0x34] = val;
cmos_data[0x35] = val >> 8;
- cmos_data[0x3d] = 0x02; /* hard drive boot */
-
+ switch(boot_device) {
+ case 'a':
+ cmos_data[0x3d] = 0x01; /* floppy boot */
+ break;
+ default:
+ case 'c':
+ cmos_data[0x3d] = 0x02; /* hard drive boot */
+ break;
+ case 'd':
+ cmos_data[0x3d] = 0x03; /* CD-ROM boot */
+ break;
+ }
+
register_ioport_write(0x70, 2, cmos_ioport_write, 1);
register_ioport_read(0x70, 2, cmos_ioport_read, 1);
}
s->count = val;
if (s == &pit_channels[0] && val <= pit_min_timer_count) {
fprintf(stderr,
- "\nWARNING: vl: on your system, accurate timer emulation is impossible if its frequency is more than %d Hz. If using a 2.5.xx Linux kernel, you must patch asm/param.h to change HZ from 1000 to 100.\n\n",
+ "\nWARNING: qemu: on your system, accurate timer emulation is impossible if its frequency is more than %d Hz. If using a 2.5.xx Linux kernel, you must patch asm/param.h to change HZ from 1000 to 100.\n\n",
PIT_FREQ / pit_min_timer_count);
}
}
}
/***********************************************************/
-/* ide emulation */
-
-/* Bits of HD_STATUS */
-#define ERR_STAT 0x01
-#define INDEX_STAT 0x02
-#define ECC_STAT 0x04 /* Corrected error */
-#define DRQ_STAT 0x08
-#define SEEK_STAT 0x10
-#define SRV_STAT 0x10
-#define WRERR_STAT 0x20
-#define READY_STAT 0x40
-#define BUSY_STAT 0x80
-
-/* Bits for HD_ERROR */
-#define MARK_ERR 0x01 /* Bad address mark */
-#define TRK0_ERR 0x02 /* couldn't find track 0 */
-#define ABRT_ERR 0x04 /* Command aborted */
-#define MCR_ERR 0x08 /* media change request */
-#define ID_ERR 0x10 /* ID field not found */
-#define MC_ERR 0x20 /* media changed */
-#define ECC_ERR 0x40 /* Uncorrectable ECC error */
-#define BBD_ERR 0x80 /* pre-EIDE meaning: block marked bad */
-#define ICRC_ERR 0x80 /* new meaning: CRC error during transfer */
-
-/* Bits of HD_NSECTOR */
-#define CD 0x01
-#define IO 0x02
-#define REL 0x04
-#define TAG_MASK 0xf8
-
-#define IDE_CMD_RESET 0x04
-#define IDE_CMD_DISABLE_IRQ 0x02
-
-/* ATA/ATAPI Commands pre T13 Spec */
-#define WIN_NOP 0x00
-/*
- * 0x01->0x02 Reserved
- */
-#define CFA_REQ_EXT_ERROR_CODE 0x03 /* CFA Request Extended Error Code */
-/*
- * 0x04->0x07 Reserved
- */
-#define WIN_SRST 0x08 /* ATAPI soft reset command */
-#define WIN_DEVICE_RESET 0x08
-/*
- * 0x09->0x0F Reserved
- */
-#define WIN_RECAL 0x10
-#define WIN_RESTORE WIN_RECAL
-/*
- * 0x10->0x1F Reserved
- */
-#define WIN_READ 0x20 /* 28-Bit */
-#define WIN_READ_ONCE 0x21 /* 28-Bit without retries */
-#define WIN_READ_LONG 0x22 /* 28-Bit */
-#define WIN_READ_LONG_ONCE 0x23 /* 28-Bit without retries */
-#define WIN_READ_EXT 0x24 /* 48-Bit */
-#define WIN_READDMA_EXT 0x25 /* 48-Bit */
-#define WIN_READDMA_QUEUED_EXT 0x26 /* 48-Bit */
-#define WIN_READ_NATIVE_MAX_EXT 0x27 /* 48-Bit */
-/*
- * 0x28
- */
-#define WIN_MULTREAD_EXT 0x29 /* 48-Bit */
-/*
- * 0x2A->0x2F Reserved
- */
-#define WIN_WRITE 0x30 /* 28-Bit */
-#define WIN_WRITE_ONCE 0x31 /* 28-Bit without retries */
-#define WIN_WRITE_LONG 0x32 /* 28-Bit */
-#define WIN_WRITE_LONG_ONCE 0x33 /* 28-Bit without retries */
-#define WIN_WRITE_EXT 0x34 /* 48-Bit */
-#define WIN_WRITEDMA_EXT 0x35 /* 48-Bit */
-#define WIN_WRITEDMA_QUEUED_EXT 0x36 /* 48-Bit */
-#define WIN_SET_MAX_EXT 0x37 /* 48-Bit */
-#define CFA_WRITE_SECT_WO_ERASE 0x38 /* CFA Write Sectors without erase */
-#define WIN_MULTWRITE_EXT 0x39 /* 48-Bit */
-/*
- * 0x3A->0x3B Reserved
- */
-#define WIN_WRITE_VERIFY 0x3C /* 28-Bit */
-/*
- * 0x3D->0x3F Reserved
- */
-#define WIN_VERIFY 0x40 /* 28-Bit - Read Verify Sectors */
-#define WIN_VERIFY_ONCE 0x41 /* 28-Bit - without retries */
-#define WIN_VERIFY_EXT 0x42 /* 48-Bit */
-/*
- * 0x43->0x4F Reserved
- */
-#define WIN_FORMAT 0x50
-/*
- * 0x51->0x5F Reserved
- */
-#define WIN_INIT 0x60
-/*
- * 0x61->0x5F Reserved
- */
-#define WIN_SEEK 0x70 /* 0x70-0x7F Reserved */
-#define CFA_TRANSLATE_SECTOR 0x87 /* CFA Translate Sector */
-#define WIN_DIAGNOSE 0x90
-#define WIN_SPECIFY 0x91 /* set drive geometry translation */
-#define WIN_DOWNLOAD_MICROCODE 0x92
-#define WIN_STANDBYNOW2 0x94
-#define WIN_STANDBY2 0x96
-#define WIN_SETIDLE2 0x97
-#define WIN_CHECKPOWERMODE2 0x98
-#define WIN_SLEEPNOW2 0x99
-/*
- * 0x9A VENDOR
- */
-#define WIN_PACKETCMD 0xA0 /* Send a packet command. */
-#define WIN_PIDENTIFY 0xA1 /* identify ATAPI device */
-#define WIN_QUEUED_SERVICE 0xA2
-#define WIN_SMART 0xB0 /* self-monitoring and reporting */
-#define CFA_ERASE_SECTORS 0xC0
-#define WIN_MULTREAD 0xC4 /* read sectors using multiple mode*/
-#define WIN_MULTWRITE 0xC5 /* write sectors using multiple mode */
-#define WIN_SETMULT 0xC6 /* enable/disable multiple mode */
-#define WIN_READDMA_QUEUED 0xC7 /* read sectors using Queued DMA transfers */
-#define WIN_READDMA 0xC8 /* read sectors using DMA transfers */
-#define WIN_READDMA_ONCE 0xC9 /* 28-Bit - without retries */
-#define WIN_WRITEDMA 0xCA /* write sectors using DMA transfers */
-#define WIN_WRITEDMA_ONCE 0xCB /* 28-Bit - without retries */
-#define WIN_WRITEDMA_QUEUED 0xCC /* write sectors using Queued DMA transfers */
-#define CFA_WRITE_MULTI_WO_ERASE 0xCD /* CFA Write multiple without erase */
-#define WIN_GETMEDIASTATUS 0xDA
-#define WIN_ACKMEDIACHANGE 0xDB /* ATA-1, ATA-2 vendor */
-#define WIN_POSTBOOT 0xDC
-#define WIN_PREBOOT 0xDD
-#define WIN_DOORLOCK 0xDE /* lock door on removable drives */
-#define WIN_DOORUNLOCK 0xDF /* unlock door on removable drives */
-#define WIN_STANDBYNOW1 0xE0
-#define WIN_IDLEIMMEDIATE 0xE1 /* force drive to become "ready" */
-#define WIN_STANDBY 0xE2 /* Set device in Standby Mode */
-#define WIN_SETIDLE1 0xE3
-#define WIN_READ_BUFFER 0xE4 /* force read only 1 sector */
-#define WIN_CHECKPOWERMODE1 0xE5
-#define WIN_SLEEPNOW1 0xE6
-#define WIN_FLUSH_CACHE 0xE7
-#define WIN_WRITE_BUFFER 0xE8 /* force write only 1 sector */
-#define WIN_WRITE_SAME 0xE9 /* read ata-2 to use */
- /* SET_FEATURES 0x22 or 0xDD */
-#define WIN_FLUSH_CACHE_EXT 0xEA /* 48-Bit */
-#define WIN_IDENTIFY 0xEC /* ask drive to identify itself */
-#define WIN_MEDIAEJECT 0xED
-#define WIN_IDENTIFY_DMA 0xEE /* same as WIN_IDENTIFY, but DMA */
-#define WIN_SETFEATURES 0xEF /* set special drive features */
-#define EXABYTE_ENABLE_NEST 0xF0
-#define WIN_SECURITY_SET_PASS 0xF1
-#define WIN_SECURITY_UNLOCK 0xF2
-#define WIN_SECURITY_ERASE_PREPARE 0xF3
-#define WIN_SECURITY_ERASE_UNIT 0xF4
-#define WIN_SECURITY_FREEZE_LOCK 0xF5
-#define WIN_SECURITY_DISABLE 0xF6
-#define WIN_READ_NATIVE_MAX 0xF8 /* return the native maximum address */
-#define WIN_SET_MAX 0xF9
-#define DISABLE_SEAGATE 0xFB
-
-/* set to 1 set disable mult support */
-#define MAX_MULT_SECTORS 8
-
-struct IDEState;
-
-typedef void EndTransferFunc(struct IDEState *);
-
-typedef struct IDEState {
- /* ide config */
- int cylinders, heads, sectors;
- int64_t nb_sectors;
- int mult_sectors;
- int irq;
- /* ide regs */
- uint8_t feature;
- uint8_t error;
- uint16_t nsector; /* 0 is 256 to ease computations */
- uint8_t sector;
- uint8_t lcyl;
- uint8_t hcyl;
- uint8_t select;
- uint8_t status;
- /* 0x3f6 command, only meaningful for drive 0 */
- uint8_t cmd;
- /* depends on bit 4 in select, only meaningful for drive 0 */
- struct IDEState *cur_drive;
- BlockDriverState *bs;
- int req_nb_sectors; /* number of sectors per interrupt */
- EndTransferFunc *end_transfer_func;
- uint8_t *data_ptr;
- uint8_t *data_end;
- uint8_t io_buffer[MAX_MULT_SECTORS*512 + 4];
-} IDEState;
-
-IDEState ide_state[MAX_DISKS];
-
-static void padstr(char *str, const char *src, int len)
-{
- int i, v;
- for(i = 0; i < len; i++) {
- if (*src)
- v = *src++;
- else
- v = ' ';
- *(char *)((long)str ^ 1) = v;
- str++;
- }
-}
-
-static void ide_identify(IDEState *s)
-{
- uint16_t *p;
- unsigned int oldsize;
-
- memset(s->io_buffer, 0, 512);
- p = (uint16_t *)s->io_buffer;
- stw_raw(p + 0, 0x0040);
- stw_raw(p + 1, s->cylinders);
- stw_raw(p + 3, s->heads);
- stw_raw(p + 4, 512 * s->sectors); /* sectors */
- stw_raw(p + 5, 512); /* sector size */
- stw_raw(p + 6, s->sectors);
- stw_raw(p + 20, 3); /* buffer type */
- stw_raw(p + 21, 512); /* cache size in sectors */
- stw_raw(p + 22, 4); /* ecc bytes */
- padstr((uint8_t *)(p + 27), "QEMU HARDDISK", 40);
-#if MAX_MULT_SECTORS > 1
- stw_raw(p + 47, MAX_MULT_SECTORS);
-#endif
- stw_raw(p + 48, 1); /* dword I/O */
- stw_raw(p + 49, 1 << 9); /* LBA supported, no DMA */
- stw_raw(p + 51, 0x200); /* PIO transfer cycle */
- stw_raw(p + 52, 0x200); /* DMA transfer cycle */
- stw_raw(p + 54, s->cylinders);
- stw_raw(p + 55, s->heads);
- stw_raw(p + 56, s->sectors);
- oldsize = s->cylinders * s->heads * s->sectors;
- stw_raw(p + 57, oldsize);
- stw_raw(p + 58, oldsize >> 16);
- if (s->mult_sectors)
- stw_raw(p + 59, 0x100 | s->mult_sectors);
- stw_raw(p + 60, s->nb_sectors);
- stw_raw(p + 61, s->nb_sectors >> 16);
- stw_raw(p + 80, (1 << 1) | (1 << 2));
- stw_raw(p + 82, (1 << 14));
- stw_raw(p + 83, (1 << 14));
- stw_raw(p + 84, (1 << 14));
- stw_raw(p + 85, (1 << 14));
- stw_raw(p + 86, 0);
- stw_raw(p + 87, (1 << 14));
-}
-
-static inline void ide_abort_command(IDEState *s)
-{
- s->status = READY_STAT | ERR_STAT;
- s->error = ABRT_ERR;
-}
-
-static inline void ide_set_irq(IDEState *s)
-{
- if (!(ide_state[0].cmd & IDE_CMD_DISABLE_IRQ)) {
- pic_set_irq(s->irq, 1);
- }
-}
-
-/* prepare data transfer and tell what to do after */
-static void ide_transfer_start(IDEState *s, int size,
- EndTransferFunc *end_transfer_func)
-{
- s->end_transfer_func = end_transfer_func;
- s->data_ptr = s->io_buffer;
- s->data_end = s->io_buffer + size;
- s->status |= DRQ_STAT;
-}
-
-static void ide_transfer_stop(IDEState *s)
-{
- s->end_transfer_func = ide_transfer_stop;
- s->data_ptr = s->io_buffer;
- s->data_end = s->io_buffer;
- s->status &= ~DRQ_STAT;
-}
-
-static int64_t ide_get_sector(IDEState *s)
-{
- int64_t sector_num;
- if (s->select & 0x40) {
- /* lba */
- sector_num = ((s->select & 0x0f) << 24) | (s->hcyl << 16) |
- (s->lcyl << 8) | s->sector;
- } else {
- sector_num = ((s->hcyl << 8) | s->lcyl) * s->heads * s->sectors +
- (s->select & 0x0f) * s->sectors +
- (s->sector - 1);
- }
- return sector_num;
-}
-
-static void ide_set_sector(IDEState *s, int64_t sector_num)
-{
- unsigned int cyl, r;
- if (s->select & 0x40) {
- s->select = (s->select & 0xf0) | (sector_num >> 24);
- s->hcyl = (sector_num >> 16);
- s->lcyl = (sector_num >> 8);
- s->sector = (sector_num);
- } else {
- cyl = sector_num / (s->heads * s->sectors);
- r = sector_num % (s->heads * s->sectors);
- s->hcyl = cyl >> 8;
- s->lcyl = cyl;
- s->select = (s->select & 0xf0) | (r / s->sectors);
- s->sector = (r % s->sectors) + 1;
- }
-}
-
-static void ide_sector_read(IDEState *s)
-{
- int64_t sector_num;
- int ret, n;
-
- s->status = READY_STAT | SEEK_STAT;
- sector_num = ide_get_sector(s);
- n = s->nsector;
- if (n == 0) {
- /* no more sector to read from disk */
- ide_transfer_stop(s);
- } else {
-#if defined(DEBUG_IDE)
- printf("read sector=%Ld\n", sector_num);
-#endif
- if (n > s->req_nb_sectors)
- n = s->req_nb_sectors;
- ret = bdrv_read(s->bs, sector_num, s->io_buffer, n);
- ide_transfer_start(s, 512 * n, ide_sector_read);
- ide_set_irq(s);
- ide_set_sector(s, sector_num + n);
- s->nsector -= n;
- }
-}
-
-static void ide_sector_write(IDEState *s)
-{
- int64_t sector_num;
- int ret, n, n1;
-
- s->status = READY_STAT | SEEK_STAT;
- sector_num = ide_get_sector(s);
-#if defined(DEBUG_IDE)
- printf("write sector=%Ld\n", sector_num);
-#endif
- n = s->nsector;
- if (n > s->req_nb_sectors)
- n = s->req_nb_sectors;
- ret = bdrv_write(s->bs, sector_num, s->io_buffer, n);
- s->nsector -= n;
- if (s->nsector == 0) {
- /* no more sector to write */
- ide_transfer_stop(s);
- } else {
- n1 = s->nsector;
- if (n1 > s->req_nb_sectors)
- n1 = s->req_nb_sectors;
- ide_transfer_start(s, 512 * n1, ide_sector_write);
- }
- ide_set_sector(s, sector_num + n);
- ide_set_irq(s);
-}
-
-void ide_ioport_write(CPUX86State *env, uint32_t addr, uint32_t val)
-{
- IDEState *s = ide_state[0].cur_drive;
- int unit, n;
-
- addr &= 7;
-#ifdef DEBUG_IDE
- printf("IDE: write addr=0x%x val=0x%02x\n", addr, val);
-#endif
- switch(addr) {
- case 0:
- break;
- case 1:
- s->feature = val;
- break;
- case 2:
- if (val == 0)
- val = 256;
- s->nsector = val;
- break;
- case 3:
- s->sector = val;
- break;
- case 4:
- s->lcyl = val;
- break;
- case 5:
- s->hcyl = val;
- break;
- case 6:
- /* select drive */
- unit = (val >> 4) & 1;
- s = &ide_state[unit];
- ide_state[0].cur_drive = s;
- s->select = val;
- break;
- default:
- case 7:
- /* command */
-#if defined(DEBUG_IDE)
- printf("ide: CMD=%02x\n", val);
-#endif
- switch(val) {
- case WIN_PIDENTIFY:
- case WIN_IDENTIFY:
- if (s->bs) {
- ide_identify(s);
- s->status = READY_STAT;
- ide_transfer_start(s, 512, ide_transfer_stop);
- } else {
- ide_abort_command(s);
- }
- ide_set_irq(s);
- break;
- case WIN_SPECIFY:
- case WIN_RECAL:
- s->status = READY_STAT;
- ide_set_irq(s);
- break;
- case WIN_SETMULT:
- if (s->nsector > MAX_MULT_SECTORS ||
- s->nsector == 0 ||
- (s->nsector & (s->nsector - 1)) != 0) {
- ide_abort_command(s);
- } else {
- s->mult_sectors = s->nsector;
- s->status = READY_STAT;
- }
- ide_set_irq(s);
- break;
- case WIN_READ:
- case WIN_READ_ONCE:
- s->req_nb_sectors = 1;
- ide_sector_read(s);
- break;
- case WIN_WRITE:
- case WIN_WRITE_ONCE:
- s->status = SEEK_STAT;
- s->req_nb_sectors = 1;
- ide_transfer_start(s, 512, ide_sector_write);
- break;
- case WIN_MULTREAD:
- if (!s->mult_sectors)
- goto abort_cmd;
- s->req_nb_sectors = s->mult_sectors;
- ide_sector_read(s);
- break;
- case WIN_MULTWRITE:
- if (!s->mult_sectors)
- goto abort_cmd;
- s->status = SEEK_STAT;
- s->req_nb_sectors = s->mult_sectors;
- n = s->nsector;
- if (n > s->req_nb_sectors)
- n = s->req_nb_sectors;
- ide_transfer_start(s, 512 * n, ide_sector_write);
- break;
- case WIN_READ_NATIVE_MAX:
- ide_set_sector(s, s->nb_sectors - 1);
- s->status = READY_STAT;
- ide_set_irq(s);
- break;
- default:
- abort_cmd:
- ide_abort_command(s);
- ide_set_irq(s);
- break;
- }
- }
-}
-
-uint32_t ide_ioport_read(CPUX86State *env, uint32_t addr)
-{
- IDEState *s = ide_state[0].cur_drive;
- int ret;
-
- addr &= 7;
- switch(addr) {
- case 0:
- ret = 0xff;
- break;
- case 1:
- ret = s->error;
- break;
- case 2:
- ret = s->nsector & 0xff;
- break;
- case 3:
- ret = s->sector;
- break;
- case 4:
- ret = s->lcyl;
- break;
- case 5:
- ret = s->hcyl;
- break;
- case 6:
- ret = s->select;
- break;
- default:
- case 7:
- ret = s->status;
- pic_set_irq(s->irq, 0);
- break;
- }
-#ifdef DEBUG_IDE
- printf("ide: read addr=0x%x val=%02x\n", addr, ret);
-#endif
- return ret;
-}
-
-uint32_t ide_status_read(CPUX86State *env, uint32_t addr)
-{
- IDEState *s = ide_state[0].cur_drive;
- int ret;
- ret = s->status;
-#ifdef DEBUG_IDE
- printf("ide: read status val=%02x\n", ret);
-#endif
- return ret;
-}
-
-void ide_cmd_write(CPUX86State *env, uint32_t addr, uint32_t val)
-{
- IDEState *s;
- int i;
-
-#ifdef DEBUG_IDE
- printf("ide: write control val=%02x\n", val);
-#endif
- /* common for both drives */
- if (!(ide_state[0].cmd & IDE_CMD_RESET) &&
- (val & IDE_CMD_RESET)) {
- /* reset low to high */
- for(i = 0;i < 2; i++) {
- s = &ide_state[i];
- s->status = BUSY_STAT | SEEK_STAT;
- s->error = 0x01;
- }
- } else if ((ide_state[0].cmd & IDE_CMD_RESET) &&
- !(val & IDE_CMD_RESET)) {
- /* high to low */
- for(i = 0;i < 2; i++) {
- s = &ide_state[i];
- s->status = READY_STAT;
- /* set hard disk drive ID */
- s->select &= 0xf0; /* clear head */
- s->nsector = 1;
- s->sector = 1;
- if (s->nb_sectors == 0) {
- /* no disk present */
- s->lcyl = 0x12;
- s->hcyl = 0x34;
- } else {
- s->lcyl = 0;
- s->hcyl = 0;
- }
- }
- }
-
- ide_state[0].cmd = val;
-}
-
-void ide_data_writew(CPUX86State *env, uint32_t addr, uint32_t val)
-{
- IDEState *s = ide_state[0].cur_drive;
- uint8_t *p;
-
- p = s->data_ptr;
- *(uint16_t *)p = tswap16(val);
- p += 2;
- s->data_ptr = p;
- if (p >= s->data_end)
- s->end_transfer_func(s);
-}
-
-uint32_t ide_data_readw(CPUX86State *env, uint32_t addr)
-{
- IDEState *s = ide_state[0].cur_drive;
- uint8_t *p;
- int ret;
-
- p = s->data_ptr;
- ret = tswap16(*(uint16_t *)p);
- p += 2;
- s->data_ptr = p;
- if (p >= s->data_end)
- s->end_transfer_func(s);
- return ret;
-}
-
-void ide_data_writel(CPUX86State *env, uint32_t addr, uint32_t val)
-{
- IDEState *s = ide_state[0].cur_drive;
- uint8_t *p;
-
- p = s->data_ptr;
- *(uint32_t *)p = tswap32(val);
- p += 4;
- s->data_ptr = p;
- if (p >= s->data_end)
- s->end_transfer_func(s);
-}
-
-uint32_t ide_data_readl(CPUX86State *env, uint32_t addr)
-{
- IDEState *s = ide_state[0].cur_drive;
- uint8_t *p;
- int ret;
-
- p = s->data_ptr;
- ret = tswap32(*(uint32_t *)p);
- p += 4;
- s->data_ptr = p;
- if (p >= s->data_end)
- s->end_transfer_func(s);
- return ret;
-}
-
-void ide_reset(IDEState *s)
-{
- s->mult_sectors = MAX_MULT_SECTORS;
- s->status = READY_STAT;
- s->cur_drive = s;
- s->select = 0xa0;
-}
-
-struct partition {
- uint8_t boot_ind; /* 0x80 - active */
- uint8_t head; /* starting head */
- uint8_t sector; /* starting sector */
- uint8_t cyl; /* starting cylinder */
- uint8_t sys_ind; /* What partition type */
- uint8_t end_head; /* end head */
- uint8_t end_sector; /* end sector */
- uint8_t end_cyl; /* end cylinder */
- uint32_t start_sect; /* starting sector counting from 0 */
- uint32_t nr_sects; /* nr of sectors in partition */
-} __attribute__((packed));
-
-/* try to guess the IDE geometry from the MSDOS partition table */
-void ide_guess_geometry(IDEState *s)
-{
- uint8_t buf[512];
- int ret, i;
- struct partition *p;
- uint32_t nr_sects;
-
- if (s->cylinders != 0)
- return;
- ret = bdrv_read(s->bs, 0, buf, 1);
- if (ret < 0)
- return;
- /* test msdos magic */
- if (buf[510] != 0x55 || buf[511] != 0xaa)
- return;
- for(i = 0; i < 4; i++) {
- p = ((struct partition *)(buf + 0x1be)) + i;
- nr_sects = tswap32(p->nr_sects);
- if (nr_sects && p->end_head) {
- /* We make the assumption that the partition terminates on
- a cylinder boundary */
- s->heads = p->end_head + 1;
- s->sectors = p->end_sector & 63;
- s->cylinders = s->nb_sectors / (s->heads * s->sectors);
-#if 0
- printf("guessed partition: CHS=%d %d %d\n",
- s->cylinders, s->heads, s->sectors);
-#endif
- }
- }
-}
-
-void ide_init(void)
-{
- IDEState *s;
- int i, cylinders;
- int64_t nb_sectors;
-
- for(i = 0; i < MAX_DISKS; i++) {
- s = &ide_state[i];
- s->bs = bs_table[i];
- if (s->bs) {
- bdrv_get_geometry(s->bs, &nb_sectors);
- s->nb_sectors = nb_sectors;
- ide_guess_geometry(s);
- if (s->cylinders == 0) {
- /* if no geometry, use a LBA compatible one */
- cylinders = nb_sectors / (16 * 63);
- if (cylinders > 16383)
- cylinders = 16383;
- else if (cylinders < 2)
- cylinders = 2;
- s->cylinders = cylinders;
- s->heads = 16;
- s->sectors = 63;
- }
- }
- s->irq = 14;
- ide_reset(s);
- }
- register_ioport_write(0x1f0, 8, ide_ioport_write, 1);
- register_ioport_read(0x1f0, 8, ide_ioport_read, 1);
- register_ioport_read(0x3f6, 1, ide_status_read, 1);
- register_ioport_write(0x3f6, 1, ide_cmd_write, 1);
-
- /* data ports */
- register_ioport_write(0x1f0, 2, ide_data_writew, 2);
- register_ioport_read(0x1f0, 2, ide_data_readw, 2);
- register_ioport_write(0x1f0, 4, ide_data_writel, 4);
- register_ioport_read(0x1f0, 4, ide_data_readl, 4);
-}
-
-/***********************************************************/
/* keyboard emulation */
/* Keyboard Controller Commands */
#define KBD_CCMD_WRITE_AUX_OBUF 0xD3 /* Write to output buffer as if
initiated by the auxiliary device */
#define KBD_CCMD_WRITE_MOUSE 0xD4 /* Write the following byte to the mouse */
-#define KBD_CCMD_ENABLE_A20 0xDD
-#define KBD_CCMD_DISABLE_A20 0xDF
+#define KBD_CCMD_DISABLE_A20 0xDD /* HP vectra only ? */
+#define KBD_CCMD_ENABLE_A20 0xDF /* HP vectra only ? */
#define KBD_CCMD_RESET 0xFE
/* Keyboard Commands */
KBDState kbd_state;
int reset_requested;
-int a20_enabled;
/* update irq and KBD_STAT_[MOUSE_]OBF */
static void kbd_update_irq(KBDState *s)
kbd_queue(s, val, 0);
break;
case KBD_CCMD_ENABLE_A20:
- a20_enabled = 1;
+ cpu_x86_set_a20(env, 1);
break;
case KBD_CCMD_DISABLE_A20:
- a20_enabled = 0;
+ cpu_x86_set_a20(env, 0);
break;
case KBD_CCMD_RESET:
reset_requested = 1;
cpu_x86_interrupt(global_env, CPU_INTERRUPT_EXIT);
break;
default:
- fprintf(stderr, "vl: unsupported keyboard cmd=0x%02x\n", val);
+ fprintf(stderr, "qemu: unsupported keyboard cmd=0x%02x\n", val);
break;
}
}
case KBD_CMD_SET_LEDS:
case KBD_CMD_SET_RATE:
s->kbd_write_cmd = val;
+ kbd_queue(s, KBD_REPLY_ACK, 0);
break;
case KBD_CMD_RESET_DISABLE:
kbd_reset_keyboard(s);
kbd_queue(s, val, 1);
break;
case KBD_CCMD_WRITE_OUTPORT:
- a20_enabled = (val >> 1) & 1;
+ cpu_x86_set_a20(env, (val >> 1) & 1);
if (!(val & 1)) {
reset_requested = 1;
cpu_x86_interrupt(global_env, CPU_INTERRUPT_EXIT);
}
}
+#ifdef CONFIG_SOFTMMU
+void *get_mmap_addr(unsigned long size)
+{
+ return NULL;
+}
+#else
unsigned long mmap_addr = PHYS_RAM_BASE;
void *get_mmap_addr(unsigned long size)
mmap_addr += ((size + 4095) & ~4095) + 4096;
return (void *)addr;
}
+#endif
/* main execution loop */
"'disk_image' is a raw hard image image for IDE hard disk 0\n"
"\n"
"Standard options:\n"
- "-hda file use 'file' as IDE hard disk 0 image\n"
- "-hdb file use 'file' as IDE hard disk 1 image\n"
+ "-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n"
+ "-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n"
+ "-cdrom file use 'file' as IDE cdrom 2 image\n"
+ "-boot [c|d] boot on hard disk or CD-ROM\n"
"-snapshot write to temporary files instead of disk image files\n"
"-m megs set virtual RAM size to megs MB\n"
"-n script set network init script [default=%s]\n"
{ "kernel", 1, NULL, 0, },
{ "append", 1, NULL, 0, },
{ "tun-fd", 1, NULL, 0, },
+ { "hdc", 1, NULL, 0, },
+ { "hdd", 1, NULL, 0, },
+ { "cdrom", 1, NULL, 0, },
+ { "boot", 1, NULL, 0, },
{ NULL, 0, NULL, 0 },
};
struct sigaction act;
struct itimerval itv;
CPUX86State *env;
- const char *tmpdir, *initrd_filename;
+ const char *initrd_filename;
const char *hd_filename[MAX_DISKS];
const char *kernel_filename, *kernel_cmdline;
DisplayState *ds = &display_state;
secs = strtol(p, (char **)&p, 0);
if (*p != '\0')
goto chs_fail;
- ide_state[0].cylinders = cyls;
- ide_state[0].heads = heads;
- ide_state[0].sectors = secs;
+ ide_set_geometry(0, cyls, heads, secs);
chs_fail: ;
}
break;
case 8:
net_fd = atoi(optarg);
break;
+ case 9:
+ hd_filename[2] = optarg;
+ break;
+ case 10:
+ hd_filename[3] = optarg;
+ break;
+ case 11:
+ hd_filename[2] = optarg;
+ ide_set_cdrom(2, 1);
+ break;
+ case 12:
+ boot_device = optarg[0];
+ if (boot_device != 'c' && boot_device != 'd') {
+ fprintf(stderr, "qemu: invalid boot device '%c'\n", boot_device);
+ exit(1);
+ }
+ break;
}
break;
case 'h':
if (phys_ram_size <= 0)
help();
if (phys_ram_size > PHYS_RAM_MAX_SIZE) {
- fprintf(stderr, "vl: at most %d MB RAM can be simulated\n",
+ fprintf(stderr, "qemu: at most %d MB RAM can be simulated\n",
PHYS_RAM_MAX_SIZE / (1024 * 1024));
exit(1);
}
linux_boot = (kernel_filename != NULL);
- if (!linux_boot && hd_filename[0] == '\0')
+ if (!linux_boot && hd_filename[0] == '\0' && hd_filename[2] == '\0')
help();
/* init debug */
net_init();
/* init the memory */
- tmpdir = getenv("QEMU_TMPDIR");
- if (!tmpdir)
- tmpdir = "/tmp";
- snprintf(phys_ram_file, sizeof(phys_ram_file), "%s/vlXXXXXX", tmpdir);
- if (mkstemp(phys_ram_file) < 0) {
- fprintf(stderr, "Could not create temporary memory file '%s'\n",
- phys_ram_file);
- exit(1);
- }
- phys_ram_fd = open(phys_ram_file, O_CREAT | O_TRUNC | O_RDWR, 0600);
- if (phys_ram_fd < 0) {
- fprintf(stderr, "Could not open temporary memory file '%s'\n",
- phys_ram_file);
- exit(1);
- }
total_ram_size = phys_ram_size + vga_ram_size;
- ftruncate(phys_ram_fd, total_ram_size);
- unlink(phys_ram_file);
- phys_ram_base = mmap(get_mmap_addr(total_ram_size),
- total_ram_size,
- PROT_WRITE | PROT_READ, MAP_SHARED | MAP_FIXED,
- phys_ram_fd, 0);
- if (phys_ram_base == MAP_FAILED) {
- fprintf(stderr, "Could not map physical memory\n");
+
+#ifdef CONFIG_SOFTMMU
+ phys_ram_base = malloc(total_ram_size);
+ if (!phys_ram_base) {
+ fprintf(stderr, "Could not allocate physical memory\n");
exit(1);
}
+#else
+ /* as we must map the same page at several addresses, we must use
+ a fd */
+ {
+ const char *tmpdir;
+
+ tmpdir = getenv("QEMU_TMPDIR");
+ if (!tmpdir)
+ tmpdir = "/tmp";
+ snprintf(phys_ram_file, sizeof(phys_ram_file), "%s/vlXXXXXX", tmpdir);
+ if (mkstemp(phys_ram_file) < 0) {
+ fprintf(stderr, "Could not create temporary memory file '%s'\n",
+ phys_ram_file);
+ exit(1);
+ }
+ phys_ram_fd = open(phys_ram_file, O_CREAT | O_TRUNC | O_RDWR, 0600);
+ if (phys_ram_fd < 0) {
+ fprintf(stderr, "Could not open temporary memory file '%s'\n",
+ phys_ram_file);
+ exit(1);
+ }
+ ftruncate(phys_ram_fd, total_ram_size);
+ unlink(phys_ram_file);
+ phys_ram_base = mmap(get_mmap_addr(total_ram_size),
+ total_ram_size,
+ PROT_WRITE | PROT_READ, MAP_SHARED | MAP_FIXED,
+ phys_ram_fd, 0);
+ if (phys_ram_base == MAP_FAILED) {
+ fprintf(stderr, "Could not map physical memory\n");
+ exit(1);
+ }
+ }
+#endif
/* open the virtual block devices */
for(i = 0; i < MAX_DISKS; i++) {
if (hd_filename[i]) {
bs_table[i] = bdrv_open(hd_filename[i], snapshot);
if (!bs_table[i]) {
- fprintf(stderr, "vl: could not open hard disk image '%s\n",
+ fprintf(stderr, "qemu: could not open hard disk image '%s\n",
hd_filename[i]);
exit(1);
}
/* now we can load the kernel */
ret = load_kernel(kernel_filename, phys_ram_base + KERNEL_LOAD_ADDR);
if (ret < 0) {
- fprintf(stderr, "vl: could not load kernel '%s'\n",
+ fprintf(stderr, "qemu: could not load kernel '%s'\n",
kernel_filename);
exit(1);
}
if (initrd_filename) {
initrd_size = load_image(initrd_filename, phys_ram_base + INITRD_LOAD_ADDR);
if (initrd_size < 0) {
- fprintf(stderr, "vl: could not load initial ram disk '%s'\n",
+ fprintf(stderr, "qemu: could not load initial ram disk '%s'\n",
initrd_filename);
exit(1);
}
params = (void *)(phys_ram_base + KERNEL_PARAMS_ADDR);
memset(params, 0, sizeof(struct linux_params));
params->mount_root_rdonly = 0;
- params->cl_magic = 0xA33F;
- params->cl_offset = params->commandline - (uint8_t *)params;
- params->alt_mem_k = (phys_ram_size / 1024) - 1024;
+ stw_raw(¶ms->cl_magic, 0xA33F);
+ stw_raw(¶ms->cl_offset, params->commandline - (uint8_t *)params);
+ stl_raw(¶ms->alt_mem_k, (phys_ram_size / 1024) - 1024);
pstrcat(params->commandline, sizeof(params->commandline), kernel_cmdline);
params->loader_type = 0x01;
if (initrd_size > 0) {
- params->initrd_start = INITRD_LOAD_ADDR;
- params->initrd_size = initrd_size;
+ stl_raw(¶ms->initrd_start, INITRD_LOAD_ADDR);
+ stl_raw(¶ms->initrd_size, initrd_size);
}
params->orig_video_lines = 25;
params->orig_video_cols = 80;
memset(params->idt_table, 0, sizeof(params->idt_table));
- params->gdt_table[2] = 0x00cf9a000000ffffLL; /* KERNEL_CS */
- params->gdt_table[3] = 0x00cf92000000ffffLL; /* KERNEL_DS */
+ stq_raw(¶ms->gdt_table[2], 0x00cf9a000000ffffLL); /* KERNEL_CS */
+ stq_raw(¶ms->gdt_table[3], 0x00cf92000000ffffLL); /* KERNEL_DS */
/* for newer kernels (2.6.0) CS/DS are at different addresses */
- params->gdt_table[12] = 0x00cf9a000000ffffLL; /* KERNEL_CS */
- params->gdt_table[13] = 0x00cf92000000ffffLL; /* KERNEL_DS */
+ stq_raw(¶ms->gdt_table[12], 0x00cf9a000000ffffLL); /* KERNEL_CS */
+ stq_raw(¶ms->gdt_table[13], 0x00cf92000000ffffLL); /* KERNEL_DS */
env->idt.base = (void *)((uint8_t *)params->idt_table - phys_ram_base);
env->idt.limit = sizeof(params->idt_table) - 1;
snprintf(buf, sizeof(buf), "%s/%s", bios_dir, BIOS_FILENAME);
ret = load_image(buf, phys_ram_base + 0x000f0000);
if (ret != 0x10000) {
- fprintf(stderr, "vl: could not load PC bios '%s'\n", buf);
+ fprintf(stderr, "qemu: could not load PC bios '%s'\n", buf);
exit(1);
}
timer_ms = itv.it_interval.tv_usec / 1000;
pit_min_timer_count = ((uint64_t)itv.it_interval.tv_usec * PIT_FREQ) /
1000000;
-
+
if (use_gdbstub) {
cpu_gdbstub(NULL, main_loop, gdbstub_port);
} else {
projects / qemu / blobdiff