From 36b486bb74ca651d07968372cebd6e742114e144 Mon Sep 17 00:00:00 2001 From: bellard Date: Tue, 11 Nov 2003 13:36:08 +0000 Subject: [PATCH] hardware level IDE CD-ROM emulation - added second IDE interface for up to 4 IDE disks emulation - added -boot command to enable CD boot git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@444 c046a42c-6fe2-441c-8c8c-71466251a162 --- vl.c | 815 +++++++++++++++++++++++++++++++++++++++++++++++++++++------ 1 file changed, 744 insertions(+), 71 deletions(-) diff --git a/vl.c b/vl.c index a3b49ab135..053f3e90f9 100644 --- a/vl.c +++ b/vl.c @@ -63,6 +63,7 @@ /* debug IDE devices */ //#define DEBUG_IDE +//#define DEBUG_IDE_ATAPI /* debug PIC */ //#define DEBUG_PIC @@ -85,7 +86,7 @@ #define GUI_REFRESH_INTERVAL 30 -#define MAX_DISKS 2 +#define MAX_DISKS 4 /* from plex86 (BSD license) */ struct __attribute__ ((packed)) linux_params { @@ -216,6 +217,7 @@ static DisplayState display_state; int nographic; int term_inited; int64_t ticks_per_sec; +int boot_device = 'c'; /***********************************************************/ /* x86 io ports */ @@ -533,8 +535,19 @@ void cmos_init(void) 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); } @@ -1045,7 +1058,7 @@ static inline void pit_load_count(PITChannelState *s, int val) 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); } } @@ -2014,12 +2027,111 @@ void ne2000_init(void) /* set to 1 set disable mult support */ #define MAX_MULT_SECTORS 8 +/* ATAPI defines */ + +#define ATAPI_PACKET_SIZE 12 + +/* The generic packet command opcodes for CD/DVD Logical Units, + * From Table 57 of the SFF8090 Ver. 3 (Mt. Fuji) draft standard. */ +#define GPCMD_BLANK 0xa1 +#define GPCMD_CLOSE_TRACK 0x5b +#define GPCMD_FLUSH_CACHE 0x35 +#define GPCMD_FORMAT_UNIT 0x04 +#define GPCMD_GET_CONFIGURATION 0x46 +#define GPCMD_GET_EVENT_STATUS_NOTIFICATION 0x4a +#define GPCMD_GET_PERFORMANCE 0xac +#define GPCMD_INQUIRY 0x12 +#define GPCMD_LOAD_UNLOAD 0xa6 +#define GPCMD_MECHANISM_STATUS 0xbd +#define GPCMD_MODE_SELECT_10 0x55 +#define GPCMD_MODE_SENSE_10 0x5a +#define GPCMD_PAUSE_RESUME 0x4b +#define GPCMD_PLAY_AUDIO_10 0x45 +#define GPCMD_PLAY_AUDIO_MSF 0x47 +#define GPCMD_PLAY_AUDIO_TI 0x48 +#define GPCMD_PLAY_CD 0xbc +#define GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL 0x1e +#define GPCMD_READ_10 0x28 +#define GPCMD_READ_12 0xa8 +#define GPCMD_READ_CDVD_CAPACITY 0x25 +#define GPCMD_READ_CD 0xbe +#define GPCMD_READ_CD_MSF 0xb9 +#define GPCMD_READ_DISC_INFO 0x51 +#define GPCMD_READ_DVD_STRUCTURE 0xad +#define GPCMD_READ_FORMAT_CAPACITIES 0x23 +#define GPCMD_READ_HEADER 0x44 +#define GPCMD_READ_TRACK_RZONE_INFO 0x52 +#define GPCMD_READ_SUBCHANNEL 0x42 +#define GPCMD_READ_TOC_PMA_ATIP 0x43 +#define GPCMD_REPAIR_RZONE_TRACK 0x58 +#define GPCMD_REPORT_KEY 0xa4 +#define GPCMD_REQUEST_SENSE 0x03 +#define GPCMD_RESERVE_RZONE_TRACK 0x53 +#define GPCMD_SCAN 0xba +#define GPCMD_SEEK 0x2b +#define GPCMD_SEND_DVD_STRUCTURE 0xad +#define GPCMD_SEND_EVENT 0xa2 +#define GPCMD_SEND_KEY 0xa3 +#define GPCMD_SEND_OPC 0x54 +#define GPCMD_SET_READ_AHEAD 0xa7 +#define GPCMD_SET_STREAMING 0xb6 +#define GPCMD_START_STOP_UNIT 0x1b +#define GPCMD_STOP_PLAY_SCAN 0x4e +#define GPCMD_TEST_UNIT_READY 0x00 +#define GPCMD_VERIFY_10 0x2f +#define GPCMD_WRITE_10 0x2a +#define GPCMD_WRITE_AND_VERIFY_10 0x2e +/* This is listed as optional in ATAPI 2.6, but is (curiously) + * missing from Mt. Fuji, Table 57. It _is_ mentioned in Mt. Fuji + * Table 377 as an MMC command for SCSi devices though... Most ATAPI + * drives support it. */ +#define GPCMD_SET_SPEED 0xbb +/* This seems to be a SCSI specific CD-ROM opcode + * to play data at track/index */ +#define GPCMD_PLAYAUDIO_TI 0x48 +/* + * From MS Media Status Notification Support Specification. For + * older drives only. + */ +#define GPCMD_GET_MEDIA_STATUS 0xda + +/* Mode page codes for mode sense/set */ +#define GPMODE_R_W_ERROR_PAGE 0x01 +#define GPMODE_WRITE_PARMS_PAGE 0x05 +#define GPMODE_AUDIO_CTL_PAGE 0x0e +#define GPMODE_POWER_PAGE 0x1a +#define GPMODE_FAULT_FAIL_PAGE 0x1c +#define GPMODE_TO_PROTECT_PAGE 0x1d +#define GPMODE_CAPABILITIES_PAGE 0x2a +#define GPMODE_ALL_PAGES 0x3f +/* Not in Mt. Fuji, but in ATAPI 2.6 -- depricated now in favor + * of MODE_SENSE_POWER_PAGE */ +#define GPMODE_CDROM_PAGE 0x0d + +#define ATAPI_INT_REASON_CD 0x01 /* 0 = data transfer */ +#define ATAPI_INT_REASON_IO 0x02 /* 1 = transfer to the host */ +#define ATAPI_INT_REASON_REL 0x04 +#define ATAPI_INT_REASON_TAG 0xf8 + +/* same constants as bochs */ +#define ASC_LOGICAL_BLOCK_OOR 0x21 +#define ASC_INV_FIELD_IN_CMD_PACKET 0x24 +#define ASC_MEDIUM_NOT_PRESENT 0x3a +#define ASC_SAVING_PARAMETERS_NOT_SUPPORTED 0x39 + +#define SENSE_NONE 0 +#define SENSE_NOT_READY 2 +#define SENSE_ILLEGAL_REQUEST 5 +#define SENSE_UNIT_ATTENTION 6 + struct IDEState; typedef void EndTransferFunc(struct IDEState *); typedef struct IDEState { /* ide config */ + int is_cdrom; + int cdrom_locked; int cylinders, heads, sectors; int64_t nb_sectors; int mult_sectors; @@ -2038,6 +2150,14 @@ typedef struct IDEState { /* depends on bit 4 in select, only meaningful for drive 0 */ struct IDEState *cur_drive; BlockDriverState *bs; + /* ATAPI specific */ + uint8_t sense_key; + uint8_t asc; + int packet_transfer_size; + int elementary_transfer_size; + int io_buffer_index; + int lba; + /* transfer handling */ int req_nb_sectors; /* number of sectors per interrupt */ EndTransferFunc *end_transfer_func; uint8_t *data_ptr; @@ -2046,6 +2166,12 @@ typedef struct IDEState { } IDEState; IDEState ide_state[MAX_DISKS]; +IDEState *ide_table[0x400 >> 3]; + +static inline IDEState *get_ide_interface(uint32_t addr) +{ + return ide_table[addr >> 3]; +} static void padstr(char *str, const char *src, int len) { @@ -2073,10 +2199,12 @@ static void ide_identify(IDEState *s) stw_raw(p + 4, 512 * s->sectors); /* sectors */ stw_raw(p + 5, 512); /* sector size */ stw_raw(p + 6, s->sectors); + padstr((uint8_t *)(p + 10), "QM00001", 20); /* serial number */ 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); + padstr((uint8_t *)(p + 23), QEMU_VERSION, 8); /* firmware version */ + padstr((uint8_t *)(p + 27), "QEMU HARDDISK", 40); /* model */ #if MAX_MULT_SECTORS > 1 stw_raw(p + 47, MAX_MULT_SECTORS); #endif @@ -2103,6 +2231,59 @@ static void ide_identify(IDEState *s) stw_raw(p + 87, (1 << 14)); } +static void ide_atapi_identify(IDEState *s) +{ + uint16_t *p; + + memset(s->io_buffer, 0, 512); + p = (uint16_t *)s->io_buffer; + /* Removable CDROM, 50us response, 12 byte packets */ + stw_raw(p + 0, (2 << 14) | (5 << 8) | (1 << 7) | (2 << 5) | (0 << 0)); + 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); + padstr((uint8_t *)(p + 10), "QM00001", 20); /* serial number */ + 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 + 23), QEMU_VERSION, 8); /* firmware version */ + padstr((uint8_t *)(p + 27), "QEMU CD-ROM", 40); /* model */ + stw_raw(p + 48, 1); /* dword I/O (XXX: should not be set on CDROM) */ + stw_raw(p + 49, 1 << 9); /* LBA supported, no DMA */ + stw_raw(p + 53, 3); /* words 64-70, 54-58 valid */ + stw_raw(p + 63, 0x103); /* DMA modes XXX: may be incorrect */ + stw_raw(p + 64, 1); /* PIO modes */ + stw_raw(p + 65, 0xb4); /* minimum DMA multiword tx cycle time */ + stw_raw(p + 66, 0xb4); /* recommended DMA multiword tx cycle time */ + stw_raw(p + 67, 0x12c); /* minimum PIO cycle time without flow control */ + stw_raw(p + 68, 0xb4); /* minimum PIO cycle time with IORDY flow control */ + + stw_raw(p + 71, 30); /* in ns */ + stw_raw(p + 72, 30); /* in ns */ + + stw_raw(p + 80, 0x1e); /* support up to ATA/ATAPI-4 */ +} + +static void ide_set_signature(IDEState *s) +{ + s->select &= 0xf0; /* clear head */ + /* put signature */ + s->nsector = 1; + s->sector = 1; + if (s->is_cdrom) { + s->lcyl = 0x14; + s->hcyl = 0xeb; + } else if (s->bs) { + s->lcyl = 0; + s->hcyl = 0; + } else { + s->lcyl = 0xff; + s->hcyl = 0xff; + } +} + static inline void ide_abort_command(IDEState *s) { s->status = READY_STAT | ERR_STAT; @@ -2111,18 +2292,18 @@ static inline void ide_abort_command(IDEState *s) static inline void ide_set_irq(IDEState *s) { - if (!(ide_state[0].cmd & IDE_CMD_DISABLE_IRQ)) { + if (!(s->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, +static void ide_transfer_start(IDEState *s, uint8_t *buf, 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->data_ptr = buf; + s->data_end = buf + size; s->status |= DRQ_STAT; } @@ -2185,7 +2366,7 @@ static void ide_sector_read(IDEState *s) 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_transfer_start(s, s->io_buffer, 512 * n, ide_sector_read); ide_set_irq(s); ide_set_sector(s, sector_num + n); s->nsector -= n; @@ -2214,21 +2395,457 @@ static void ide_sector_write(IDEState *s) n1 = s->nsector; if (n1 > s->req_nb_sectors) n1 = s->req_nb_sectors; - ide_transfer_start(s, 512 * n1, ide_sector_write); + ide_transfer_start(s, s->io_buffer, 512 * n1, ide_sector_write); } ide_set_sector(s, sector_num + n); ide_set_irq(s); } +static void ide_atapi_cmd_ok(IDEState *s) +{ + s->error = 0; + s->status = READY_STAT; + s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO | ATAPI_INT_REASON_CD; + ide_set_irq(s); +} + +static void ide_atapi_cmd_error(IDEState *s, int sense_key, int asc) +{ +#ifdef DEBUG_IDE_ATAPI + printf("atapi_cmd_error: sense=0x%x asc=0x%x\n", sense_key, asc); +#endif + s->error = sense_key << 4; + s->status = READY_STAT | ERR_STAT; + s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO | ATAPI_INT_REASON_CD; + s->sense_key = sense_key; + s->asc = asc; + ide_set_irq(s); +} + +static inline void cpu_to_ube16(uint8_t *buf, int val) +{ + buf[0] = val >> 8; + buf[1] = val; +} + +static inline void cpu_to_ube32(uint8_t *buf, unsigned int val) +{ + buf[0] = val >> 24; + buf[1] = val >> 16; + buf[2] = val >> 8; + buf[3] = val; +} + +static inline int ube16_to_cpu(const uint8_t *buf) +{ + return (buf[0] << 8) | buf[1]; +} + +static inline int ube32_to_cpu(const uint8_t *buf) +{ + return (buf[0] << 24) | (buf[1] << 16) | (buf[2] << 8) | buf[3]; +} + +/* The whole ATAPI transfer logic is handled in this function */ +static void ide_atapi_cmd_reply_end(IDEState *s) +{ + int byte_count_limit, size; +#ifdef DEBUG_IDE_ATAPI + printf("reply: tx_size=%d elem_tx_size=%d index=%d\n", + s->packet_transfer_size, + s->elementary_transfer_size, + s->io_buffer_index); +#endif + if (s->packet_transfer_size <= 0) { + /* end of transfer */ + ide_transfer_stop(s); + s->status = READY_STAT; + s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO | ATAPI_INT_REASON_CD; + ide_set_irq(s); +#ifdef DEBUG_IDE_ATAPI + printf("status=0x%x\n", s->status); +#endif + } else { + /* see if a new sector must be read */ + if (s->lba != -1 && s->io_buffer_index >= 2048) { + bdrv_read(s->bs, (int64_t)s->lba << 2, s->io_buffer, 4); + s->lba++; + s->io_buffer_index = 0; + } + if (s->elementary_transfer_size > 0) { + /* there are some data left to transmit in this elementary + transfer */ + size = 2048 - s->io_buffer_index; + if (size > s->elementary_transfer_size) + size = s->elementary_transfer_size; + ide_transfer_start(s, s->io_buffer + s->io_buffer_index, + size, ide_atapi_cmd_reply_end); + s->packet_transfer_size -= size; + s->elementary_transfer_size -= size; + s->io_buffer_index += size; + } else { + /* a new transfer is needed */ + s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO; + byte_count_limit = s->lcyl | (s->hcyl << 8); +#ifdef DEBUG_IDE_ATAPI + printf("byte_count_limit=%d\n", byte_count_limit); +#endif + if (byte_count_limit == 0xffff) + byte_count_limit--; + size = s->packet_transfer_size; + if (size > byte_count_limit) { + /* byte count limit must be even if this case */ + if (byte_count_limit & 1) + byte_count_limit--; + size = byte_count_limit; + } else { + s->lcyl = size; + s->hcyl = size >> 8; + } + s->elementary_transfer_size = size; + /* we cannot transmit more than one sector at a time */ + if (s->lba != -1) { + if (size > (2048 - s->io_buffer_index)) + size = (2048 - s->io_buffer_index); + } + ide_transfer_start(s, s->io_buffer + s->io_buffer_index, + size, ide_atapi_cmd_reply_end); + s->packet_transfer_size -= size; + s->elementary_transfer_size -= size; + s->io_buffer_index += size; + ide_set_irq(s); +#ifdef DEBUG_IDE_ATAPI + printf("status=0x%x\n", s->status); +#endif + } + } +} + +/* send a reply of 'size' bytes in s->io_buffer to an ATAPI command */ +static void ide_atapi_cmd_reply(IDEState *s, int size, int max_size) +{ + if (size > max_size) + size = max_size; + s->lba = -1; /* no sector read */ + s->packet_transfer_size = size; + s->elementary_transfer_size = 0; + s->io_buffer_index = 0; + + s->status = READY_STAT; + ide_atapi_cmd_reply_end(s); +} + +/* start a CD-CDROM read command */ +static void ide_atapi_cmd_read(IDEState *s, int lba, int nb_sectors) +{ +#ifdef DEBUG_IDE_ATAPI + printf("read: LBA=%d nb_sectors=%d\n", lba, nb_sectors); +#endif + s->lba = lba; + s->packet_transfer_size = nb_sectors * 2048; + s->elementary_transfer_size = 0; + s->io_buffer_index = 2048; + + s->status = READY_STAT; + ide_atapi_cmd_reply_end(s); +} + +/* same toc as bochs. Return -1 if error or the toc length */ +static int cdrom_read_toc(IDEState *s, uint8_t *buf, int msf, int start_track) +{ + uint8_t *q; + int nb_sectors, len; + + if (start_track > 1 && start_track != 0xaa) + return -1; + q = buf + 2; + *q++ = 1; + *q++ = 1; + if (start_track <= 1) { + *q++ = 0; /* reserved */ + *q++ = 0x14; /* ADR, control */ + *q++ = 1; /* track number */ + *q++ = 0; /* reserved */ + if (msf) { + *q++ = 0; /* reserved */ + *q++ = 0; /* minute */ + *q++ = 2; /* second */ + *q++ = 0; /* frame */ + } else { + /* sector 0 */ + cpu_to_ube32(q, 0); + q += 4; + } + } + /* lead out track */ + *q++ = 0; /* reserved */ + *q++ = 0x16; /* ADR, control */ + *q++ = 0xaa; /* track number */ + *q++ = 0; /* reserved */ + nb_sectors = s->nb_sectors >> 2; + if (msf) { + *q++ = 0; /* reserved */ + *q++ = ((nb_sectors + 150) / 75) / 60; + *q++ = ((nb_sectors + 150) / 75) % 60; + *q++ = (nb_sectors + 150) % 75; + } else { + cpu_to_ube32(q, nb_sectors); + q += 4; + } + len = q - buf; + cpu_to_ube16(buf, len - 2); + return len; +} + +static void ide_atapi_cmd(IDEState *s) +{ + const uint8_t *packet; + uint8_t *buf; + int max_len; + + packet = s->io_buffer; + buf = s->io_buffer; +#ifdef DEBUG_IDE_ATAPI + { + int i; + printf("ATAPI limit=0x%x packet:", s->lcyl | (s->hcyl << 8)); + for(i = 0; i < ATAPI_PACKET_SIZE; i++) { + printf(" %02x", packet[i]); + } + printf("\n"); + } +#endif + switch(s->io_buffer[0]) { + case GPCMD_TEST_UNIT_READY: + if (s->bs) { + ide_atapi_cmd_ok(s); + } else { + ide_atapi_cmd_error(s, SENSE_NOT_READY, + ASC_MEDIUM_NOT_PRESENT); + } + break; + case GPCMD_MODE_SENSE_10: + { + int action, code; + max_len = ube16_to_cpu(packet + 7); + action = packet[2] >> 6; + code = packet[2] & 0x3f; + switch(action) { + case 0: /* current values */ + switch(code) { + case 0x01: /* error recovery */ + cpu_to_ube16(&buf[0], 16 + 6); + buf[2] = 0x70; + buf[3] = 0; + buf[4] = 0; + buf[5] = 0; + buf[6] = 0; + buf[7] = 0; + + buf[8] = 0x01; + buf[9] = 0x06; + buf[10] = 0x00; + buf[11] = 0x05; + buf[12] = 0x00; + buf[13] = 0x00; + buf[14] = 0x00; + buf[15] = 0x00; + ide_atapi_cmd_reply(s, 16, max_len); + break; + case 0x2a: + cpu_to_ube16(&buf[0], 28 + 6); + buf[2] = 0x70; + buf[3] = 0; + buf[4] = 0; + buf[5] = 0; + buf[6] = 0; + buf[7] = 0; + + buf[8] = 0x2a; + buf[9] = 0x12; + buf[10] = 0x00; + buf[11] = 0x00; + + buf[12] = 0x70; + buf[13] = 3 << 5; + buf[14] = (1 << 0) | (1 << 3) | (1 << 5); + if (s->cdrom_locked) + buf[6] |= 1 << 1; + buf[15] = 0x00; + cpu_to_ube16(&buf[16], 706); + buf[18] = 0; + buf[19] = 2; + cpu_to_ube16(&buf[20], 512); + cpu_to_ube16(&buf[22], 706); + buf[24] = 0; + buf[25] = 0; + buf[26] = 0; + buf[27] = 0; + ide_atapi_cmd_reply(s, 28, max_len); + break; + default: + goto error_cmd; + } + break; + case 1: /* changeable values */ + goto error_cmd; + case 2: /* default values */ + goto error_cmd; + default: + case 3: /* saved values */ + ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, + ASC_SAVING_PARAMETERS_NOT_SUPPORTED); + break; + } + } + break; + case GPCMD_REQUEST_SENSE: + max_len = packet[4]; + memset(buf, 0, 18); + buf[0] = 0x70 | (1 << 7); + buf[2] = s->sense_key; + buf[7] = 10; + buf[12] = s->asc; + ide_atapi_cmd_reply(s, 18, max_len); + break; + case GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL: + if (s->bs) { + s->cdrom_locked = packet[4] & 1; + ide_atapi_cmd_ok(s); + } else { + ide_atapi_cmd_error(s, SENSE_NOT_READY, + ASC_MEDIUM_NOT_PRESENT); + } + break; + case GPCMD_READ_10: + case GPCMD_READ_12: + { + int nb_sectors, lba; + + if (!s->bs) { + ide_atapi_cmd_error(s, SENSE_NOT_READY, + ASC_MEDIUM_NOT_PRESENT); + break; + } + if (packet[0] == GPCMD_READ_10) + nb_sectors = ube16_to_cpu(packet + 7); + else + nb_sectors = ube32_to_cpu(packet + 6); + lba = ube32_to_cpu(packet + 2); + if (nb_sectors == 0) { + ide_atapi_cmd_ok(s); + break; + } + if (((int64_t)(lba + nb_sectors) << 2) > s->nb_sectors) { + ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, + ASC_LOGICAL_BLOCK_OOR); + break; + } + ide_atapi_cmd_read(s, lba, nb_sectors); + } + break; + case GPCMD_SEEK: + { + int lba; + if (!s->bs) { + ide_atapi_cmd_error(s, SENSE_NOT_READY, + ASC_MEDIUM_NOT_PRESENT); + break; + } + lba = ube32_to_cpu(packet + 2); + if (((int64_t)lba << 2) > s->nb_sectors) { + ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, + ASC_LOGICAL_BLOCK_OOR); + break; + } + ide_atapi_cmd_ok(s); + } + break; + case GPCMD_START_STOP_UNIT: + { + int start, eject; + start = packet[4] & 1; + eject = (packet[4] >> 1) & 1; + + /* XXX: currently none implemented */ + ide_atapi_cmd_ok(s); + } + break; + case GPCMD_MECHANISM_STATUS: + { + max_len = ube16_to_cpu(packet + 8); + cpu_to_ube16(buf, 0); + /* no current LBA */ + buf[2] = 0; + buf[3] = 0; + buf[4] = 0; + buf[5] = 1; + cpu_to_ube16(buf + 6, 0); + ide_atapi_cmd_reply(s, 8, max_len); + } + break; + case GPCMD_READ_TOC_PMA_ATIP: + { + int format, msf, start_track, len; + + if (!s->bs) { + ide_atapi_cmd_error(s, SENSE_NOT_READY, + ASC_MEDIUM_NOT_PRESENT); + break; + } + max_len = ube16_to_cpu(packet + 7); + format = packet[9] >> 6; + msf = (packet[1] >> 1) & 1; + start_track = packet[6]; + switch(format) { + case 0: + len = cdrom_read_toc(s, buf, msf, start_track); + if (len < 0) + goto error_cmd; + ide_atapi_cmd_reply(s, len, max_len); + break; + case 1: + /* multi session : only a single session defined */ + memset(buf, 0, 12); + buf[1] = 0x0a; + buf[2] = 0x01; + buf[3] = 0x01; + ide_atapi_cmd_reply(s, 12, max_len); + break; + default: + goto error_cmd; + } + } + break; + case GPCMD_READ_CDVD_CAPACITY: + if (!s->bs) { + ide_atapi_cmd_error(s, SENSE_NOT_READY, + ASC_MEDIUM_NOT_PRESENT); + break; + } + /* NOTE: it is really the number of sectors minus 1 */ + cpu_to_ube32(buf, (s->nb_sectors >> 2) - 1); + cpu_to_ube32(buf + 4, 2048); + ide_atapi_cmd_reply(s, 8, 8); + break; + default: + error_cmd: + ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, + ASC_INV_FIELD_IN_CMD_PACKET); + break; + } +} + void ide_ioport_write(CPUX86State *env, uint32_t addr, uint32_t val) { - IDEState *s = ide_state[0].cur_drive; + IDEState *ide_if = get_ide_interface(addr); + IDEState *s = ide_if->cur_drive; int unit, n; - addr &= 7; #ifdef DEBUG_IDE printf("IDE: write addr=0x%x val=0x%02x\n", addr, val); #endif + addr &= 7; switch(addr) { case 0: break; @@ -2252,8 +2869,8 @@ void ide_ioport_write(CPUX86State *env, uint32_t addr, uint32_t val) case 6: /* select drive */ unit = (val >> 4) & 1; - s = &ide_state[unit]; - ide_state[0].cur_drive = s; + s = ide_if + unit; + ide_if->cur_drive = s; s->select = val; break; default: @@ -2263,13 +2880,15 @@ void ide_ioport_write(CPUX86State *env, uint32_t addr, uint32_t val) printf("ide: CMD=%02x\n", val); #endif switch(val) { - case WIN_PIDENTIFY: case WIN_IDENTIFY: - if (s->bs) { + if (s->bs && !s->is_cdrom) { ide_identify(s); s->status = READY_STAT; - ide_transfer_start(s, 512, ide_transfer_stop); + ide_transfer_start(s, s->io_buffer, 512, ide_transfer_stop); } else { + if (s->is_cdrom) { + ide_set_signature(s); + } ide_abort_command(s); } ide_set_irq(s); @@ -2299,7 +2918,7 @@ void ide_ioport_write(CPUX86State *env, uint32_t addr, uint32_t val) case WIN_WRITE_ONCE: s->status = SEEK_STAT; s->req_nb_sectors = 1; - ide_transfer_start(s, 512, ide_sector_write); + ide_transfer_start(s, s->io_buffer, 512, ide_sector_write); break; case WIN_MULTREAD: if (!s->mult_sectors) @@ -2315,13 +2934,42 @@ void ide_ioport_write(CPUX86State *env, uint32_t addr, uint32_t val) n = s->nsector; if (n > s->req_nb_sectors) n = s->req_nb_sectors; - ide_transfer_start(s, 512 * n, ide_sector_write); + ide_transfer_start(s, s->io_buffer, 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; + + /* ATAPI commands */ + case WIN_PIDENTIFY: + if (s->is_cdrom) { + ide_atapi_identify(s); + s->status = READY_STAT; + ide_transfer_start(s, s->io_buffer, 512, ide_transfer_stop); + } else { + ide_abort_command(s); + } + ide_set_irq(s); + break; + case WIN_SRST: + if (!s->is_cdrom) + goto abort_cmd; + ide_set_signature(s); + s->status = READY_STAT; + s->error = 0x01; + break; + case WIN_PACKETCMD: + if (!s->is_cdrom) + goto abort_cmd; + /* DMA or overlapping commands not supported */ + if ((s->feature & 0x03) != 0) + goto abort_cmd; + s->nsector = 1; + ide_transfer_start(s, s->io_buffer, ATAPI_PACKET_SIZE, + ide_atapi_cmd); + break; default: abort_cmd: ide_abort_command(s); @@ -2331,12 +2979,13 @@ void ide_ioport_write(CPUX86State *env, uint32_t addr, uint32_t val) } } -uint32_t ide_ioport_read(CPUX86State *env, uint32_t addr) +uint32_t ide_ioport_read(CPUX86State *env, uint32_t addr1) { - IDEState *s = ide_state[0].cur_drive; + IDEState *s = get_ide_interface(addr1)->cur_drive; + uint32_t addr; int ret; - addr &= 7; + addr = addr1 & 7; switch(addr) { case 0: ret = 0xff; @@ -2366,66 +3015,57 @@ uint32_t ide_ioport_read(CPUX86State *env, uint32_t addr) break; } #ifdef DEBUG_IDE - printf("ide: read addr=0x%x val=%02x\n", addr, ret); + printf("ide: read addr=0x%x val=%02x\n", addr1, ret); #endif return ret; } uint32_t ide_status_read(CPUX86State *env, uint32_t addr) { - IDEState *s = ide_state[0].cur_drive; + IDEState *s = get_ide_interface(addr)->cur_drive; int ret; ret = s->status; #ifdef DEBUG_IDE - printf("ide: read status val=%02x\n", ret); + printf("ide: read status addr=0x%x val=%02x\n", addr, ret); #endif return ret; } void ide_cmd_write(CPUX86State *env, uint32_t addr, uint32_t val) { + IDEState *ide_if = get_ide_interface(addr); IDEState *s; int i; #ifdef DEBUG_IDE - printf("ide: write control val=%02x\n", val); + printf("ide: write control addr=0x%x val=%02x\n", addr, val); #endif /* common for both drives */ - if (!(ide_state[0].cmd & IDE_CMD_RESET) && + if (!(ide_if[0].cmd & IDE_CMD_RESET) && (val & IDE_CMD_RESET)) { /* reset low to high */ for(i = 0;i < 2; i++) { - s = &ide_state[i]; + s = &ide_if[i]; s->status = BUSY_STAT | SEEK_STAT; s->error = 0x01; } - } else if ((ide_state[0].cmd & IDE_CMD_RESET) && + } else if ((ide_if[0].cmd & IDE_CMD_RESET) && !(val & IDE_CMD_RESET)) { /* high to low */ for(i = 0;i < 2; i++) { - s = &ide_state[i]; + s = &ide_if[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_set_signature(s); } } - ide_state[0].cmd = val; + ide_if[0].cmd = val; + ide_if[1].cmd = val; } void ide_data_writew(CPUX86State *env, uint32_t addr, uint32_t val) { - IDEState *s = ide_state[0].cur_drive; + IDEState *s = get_ide_interface(addr)->cur_drive; uint8_t *p; p = s->data_ptr; @@ -2438,10 +3078,9 @@ void ide_data_writew(CPUX86State *env, uint32_t addr, uint32_t val) uint32_t ide_data_readw(CPUX86State *env, uint32_t addr) { - IDEState *s = ide_state[0].cur_drive; + IDEState *s = get_ide_interface(addr)->cur_drive; uint8_t *p; int ret; - p = s->data_ptr; ret = tswap16(*(uint16_t *)p); p += 2; @@ -2453,7 +3092,7 @@ uint32_t ide_data_readw(CPUX86State *env, uint32_t addr) void ide_data_writel(CPUX86State *env, uint32_t addr, uint32_t val) { - IDEState *s = ide_state[0].cur_drive; + IDEState *s = get_ide_interface(addr)->cur_drive; uint8_t *p; p = s->data_ptr; @@ -2466,7 +3105,7 @@ void ide_data_writel(CPUX86State *env, uint32_t addr, uint32_t val) uint32_t ide_data_readl(CPUX86State *env, uint32_t addr) { - IDEState *s = ide_state[0].cur_drive; + IDEState *s = get_ide_interface(addr)->cur_drive; uint8_t *p; int ret; @@ -2482,9 +3121,10 @@ uint32_t ide_data_readl(CPUX86State *env, uint32_t addr) void ide_reset(IDEState *s) { s->mult_sectors = MAX_MULT_SECTORS; - s->status = READY_STAT; s->cur_drive = s; s->select = 0xa0; + s->status = READY_STAT; + ide_set_signature(s); } struct partition { @@ -2536,8 +3176,11 @@ void ide_guess_geometry(IDEState *s) void ide_init(void) { IDEState *s; - int i, cylinders; + int i, cylinders, iobase, iobase2; int64_t nb_sectors; + static const int ide_iobase[2] = { 0x1f0, 0x170 }; + static const int ide_iobase2[2] = { 0x3f6, 0x376 }; + static const int ide_irq[2] = { 14, 15 }; for(i = 0; i < MAX_DISKS; i++) { s = &ide_state[i]; @@ -2558,19 +3201,26 @@ void ide_init(void) s->sectors = 63; } } - s->irq = 14; + s->irq = ide_irq[i >> 1]; 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); + for(i = 0; i < (MAX_DISKS / 2); i++) { + iobase = ide_iobase[i]; + iobase2 = ide_iobase2[i]; + ide_table[iobase >> 3] = &ide_state[2 * i]; + if (ide_iobase2[i]) + ide_table[iobase2 >> 3] = &ide_state[2 * i]; + register_ioport_write(iobase, 8, ide_ioport_write, 1); + register_ioport_read(iobase, 8, ide_ioport_read, 1); + register_ioport_read(iobase2, 1, ide_status_read, 1); + register_ioport_write(iobase2, 1, ide_cmd_write, 1); + + /* data ports */ + register_ioport_write(iobase, 2, ide_data_writew, 2); + register_ioport_read(iobase, 2, ide_data_readw, 2); + register_ioport_write(iobase, 4, ide_data_writel, 4); + register_ioport_read(iobase, 4, ide_data_readl, 4); + } } /***********************************************************/ @@ -2811,7 +3461,7 @@ void kbd_write_command(CPUX86State *env, uint32_t addr, uint32_t val) 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; } } @@ -3458,8 +4108,10 @@ void help(void) "'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" @@ -3506,6 +4158,10 @@ struct option long_options[] = { { "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 }, }; @@ -3601,6 +4257,23 @@ int main(int argc, char **argv) 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_state[2].is_cdrom = 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': @@ -3611,7 +4284,7 @@ int main(int argc, char **argv) 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); } @@ -3640,7 +4313,7 @@ int main(int argc, char **argv) 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 */ @@ -3698,7 +4371,7 @@ int main(int argc, char **argv) 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); } @@ -3719,7 +4392,7 @@ int main(int argc, char **argv) /* 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); } @@ -3729,7 +4402,7 @@ int main(int argc, char **argv) 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); } @@ -3788,7 +4461,7 @@ int main(int argc, char **argv) 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); }