| 61 |
/* output Bochs bios info messages */ |
/* output Bochs bios info messages */ |
| 62 |
//#define DEBUG_BIOS |
//#define DEBUG_BIOS |
| 63 |
|
|
|
/* debug IDE devices */ |
|
|
//#define DEBUG_IDE |
|
|
//#define DEBUG_IDE_ATAPI |
|
|
|
|
| 64 |
/* debug PIC */ |
/* debug PIC */ |
| 65 |
//#define DEBUG_PIC |
//#define DEBUG_PIC |
| 66 |
|
|
| 82 |
|
|
| 83 |
#define GUI_REFRESH_INTERVAL 30 |
#define GUI_REFRESH_INTERVAL 30 |
| 84 |
|
|
|
#define MAX_DISKS 4 |
|
|
|
|
| 85 |
/* from plex86 (BSD license) */ |
/* from plex86 (BSD license) */ |
| 86 |
struct __attribute__ ((packed)) linux_params { |
struct __attribute__ ((packed)) linux_params { |
| 87 |
// For 0x00..0x3f, see 'struct screen_info' in linux/include/linux/tty.h. |
// For 0x00..0x3f, see 'struct screen_info' in linux/include/linux/tty.h. |
| 1859 |
} |
} |
| 1860 |
|
|
| 1861 |
/***********************************************************/ |
/***********************************************************/ |
|
/* 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 |
|
|
|
|
|
/* 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; |
|
|
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; |
|
|
/* 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; |
|
|
uint8_t *data_end; |
|
|
uint8_t io_buffer[MAX_MULT_SECTORS*512 + 4]; |
|
|
} 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) |
|
|
{ |
|
|
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); |
|
|
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 HARDDISK", 40); /* model */ |
|
|
#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 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; |
|
|
s->error = ABRT_ERR; |
|
|
} |
|
|
|
|
|
static inline void ide_set_irq(IDEState *s) |
|
|
{ |
|
|
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, uint8_t *buf, int size, |
|
|
EndTransferFunc *end_transfer_func) |
|
|
{ |
|
|
s->end_transfer_func = end_transfer_func; |
|
|
s->data_ptr = buf; |
|
|
s->data_end = buf + 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, s->io_buffer, 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, 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 *ide_if = get_ide_interface(addr); |
|
|
IDEState *s = ide_if->cur_drive; |
|
|
int unit, n; |
|
|
|
|
|
#ifdef DEBUG_IDE |
|
|
printf("IDE: write addr=0x%x val=0x%02x\n", addr, val); |
|
|
#endif |
|
|
addr &= 7; |
|
|
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_if + unit; |
|
|
ide_if->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_IDENTIFY: |
|
|
if (s->bs && !s->is_cdrom) { |
|
|
ide_identify(s); |
|
|
s->status = READY_STAT; |
|
|
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); |
|
|
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, s->io_buffer, 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, 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); |
|
|
ide_set_irq(s); |
|
|
break; |
|
|
} |
|
|
} |
|
|
} |
|
|
|
|
|
uint32_t ide_ioport_read(CPUX86State *env, uint32_t addr1) |
|
|
{ |
|
|
IDEState *s = get_ide_interface(addr1)->cur_drive; |
|
|
uint32_t addr; |
|
|
int ret; |
|
|
|
|
|
addr = addr1 & 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", addr1, ret); |
|
|
#endif |
|
|
return ret; |
|
|
} |
|
|
|
|
|
uint32_t ide_status_read(CPUX86State *env, uint32_t addr) |
|
|
{ |
|
|
IDEState *s = get_ide_interface(addr)->cur_drive; |
|
|
int ret; |
|
|
ret = s->status; |
|
|
#ifdef DEBUG_IDE |
|
|
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 addr=0x%x val=%02x\n", addr, val); |
|
|
#endif |
|
|
/* common for both drives */ |
|
|
if (!(ide_if[0].cmd & IDE_CMD_RESET) && |
|
|
(val & IDE_CMD_RESET)) { |
|
|
/* reset low to high */ |
|
|
for(i = 0;i < 2; i++) { |
|
|
s = &ide_if[i]; |
|
|
s->status = BUSY_STAT | SEEK_STAT; |
|
|
s->error = 0x01; |
|
|
} |
|
|
} else if ((ide_if[0].cmd & IDE_CMD_RESET) && |
|
|
!(val & IDE_CMD_RESET)) { |
|
|
/* high to low */ |
|
|
for(i = 0;i < 2; i++) { |
|
|
s = &ide_if[i]; |
|
|
s->status = READY_STAT; |
|
|
ide_set_signature(s); |
|
|
} |
|
|
} |
|
|
|
|
|
ide_if[0].cmd = val; |
|
|
ide_if[1].cmd = val; |
|
|
} |
|
|
|
|
|
void ide_data_writew(CPUX86State *env, uint32_t addr, uint32_t val) |
|
|
{ |
|
|
IDEState *s = get_ide_interface(addr)->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 = get_ide_interface(addr)->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 = get_ide_interface(addr)->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 = get_ide_interface(addr)->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->cur_drive = s; |
|
|
s->select = 0xa0; |
|
|
s->status = READY_STAT; |
|
|
ide_set_signature(s); |
|
|
} |
|
|
|
|
|
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, 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]; |
|
|
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 = ide_irq[i >> 1]; |
|
|
ide_reset(s); |
|
|
} |
|
|
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); |
|
|
} |
|
|
} |
|
|
|
|
|
/***********************************************************/ |
|
| 1862 |
/* keyboard emulation */ |
/* keyboard emulation */ |
| 1863 |
|
|
| 1864 |
/* Keyboard Controller Commands */ |
/* Keyboard Controller Commands */ |
| 2874 |
secs = strtol(p, (char **)&p, 0); |
secs = strtol(p, (char **)&p, 0); |
| 2875 |
if (*p != '\0') |
if (*p != '\0') |
| 2876 |
goto chs_fail; |
goto chs_fail; |
| 2877 |
ide_state[0].cylinders = cyls; |
ide_set_geometry(0, cyls, heads, secs); |
|
ide_state[0].heads = heads; |
|
|
ide_state[0].sectors = secs; |
|
| 2878 |
chs_fail: ; |
chs_fail: ; |
| 2879 |
} |
} |
| 2880 |
break; |
break; |
| 2898 |
break; |
break; |
| 2899 |
case 11: |
case 11: |
| 2900 |
hd_filename[2] = optarg; |
hd_filename[2] = optarg; |
| 2901 |
ide_state[2].is_cdrom = 1; |
ide_set_cdrom(2, 1); |
| 2902 |
break; |
break; |
| 2903 |
case 12: |
case 12: |
| 2904 |
boot_device = optarg[0]; |
boot_device = optarg[0]; |