int cylinders, heads, sectors;
int64_t nb_sectors;
int mult_sectors;
+ int identify_set;
+ uint16_t identify_data[256];
+ SetIRQFunc *set_irq;
+ void *irq_opaque;
int irq;
- openpic_t *openpic;
PCIDevice *pci_dev;
struct BMDMAState *bmdma;
int drive_serial;
/* ide regs */
uint8_t feature;
uint8_t error;
- uint16_t nsector; /* 0 is 256 to ease computations */
+ uint32_t nsector;
uint8_t sector;
uint8_t lcyl;
uint8_t hcyl;
+ /* other part of tf for lba48 support */
+ uint8_t hob_feature;
+ uint8_t hob_nsector;
+ uint8_t hob_sector;
+ uint8_t hob_lcyl;
+ uint8_t hob_hcyl;
+
uint8_t select;
uint8_t status;
+
/* 0x3f6 command, only meaningful for drive 0 */
uint8_t cmd;
+ /* set for lba48 access */
+ uint8_t lba48;
/* depends on bit 4 in select, only meaningful for drive 0 */
struct IDEState *cur_drive;
BlockDriverState *bs;
uint8_t *data_ptr;
uint8_t *data_end;
uint8_t io_buffer[MAX_MULT_SECTORS*512 + 4];
+ QEMUTimer *sector_write_timer; /* only used for win2k instal hack */
+ uint32_t irq_count; /* counts IRQs when using win2k install hack */
} IDEState;
#define BM_STATUS_DMAING 0x01
#define BM_CMD_START 0x01
#define BM_CMD_READ 0x08
+#define IDE_TYPE_PIIX3 0
+#define IDE_TYPE_CMD646 1
+
+/* CMD646 specific */
+#define MRDMODE 0x71
+#define MRDMODE_INTR_CH0 0x04
+#define MRDMODE_INTR_CH1 0x08
+#define MRDMODE_BLK_CH0 0x10
+#define MRDMODE_BLK_CH1 0x20
+#define UDIDETCR0 0x73
+#define UDIDETCR1 0x7B
+
typedef int IDEDMAFunc(IDEState *s,
target_phys_addr_t phys_addr,
int transfer_size1);
uint8_t cmd;
uint8_t status;
uint32_t addr;
+
+ struct PCIIDEState *pci_dev;
/* current transfer state */
IDEState *ide_if;
IDEDMAFunc *dma_cb;
PCIDevice dev;
IDEState ide_if[4];
BMDMAState bmdma[2];
+ int type; /* see IDE_TYPE_xxx */
} PCIIDEState;
static void ide_dma_start(IDEState *s, IDEDMAFunc *dma_cb);
unsigned int oldsize;
char buf[20];
+ if (s->identify_set) {
+ memcpy(s->io_buffer, s->identify_data, sizeof(s->identify_data));
+ return;
+ }
+
memset(s->io_buffer, 0, 512);
p = (uint16_t *)s->io_buffer;
put_le16(p + 0, 0x0040);
put_le16(p + 47, 0x8000 | MAX_MULT_SECTORS);
#endif
put_le16(p + 48, 1); /* dword I/O */
- put_le16(p + 49, 1 << 9); /* LBA supported, no DMA */
+ put_le16(p + 49, (1 << 11) | (1 << 9) | (1 << 8)); /* DMA and LBA supported */
put_le16(p + 51, 0x200); /* PIO transfer cycle */
put_le16(p + 52, 0x200); /* DMA transfer cycle */
- put_le16(p + 53, 1); /* words 54-58 are valid */
+ put_le16(p + 53, 1 | (1 << 1) | (1 << 2)); /* words 54-58,64-70,88 are valid */
put_le16(p + 54, s->cylinders);
put_le16(p + 55, s->heads);
put_le16(p + 56, s->sectors);
put_le16(p + 59, 0x100 | s->mult_sectors);
put_le16(p + 60, s->nb_sectors);
put_le16(p + 61, s->nb_sectors >> 16);
- put_le16(p + 80, (1 << 1) | (1 << 2));
+ put_le16(p + 63, 0x07); /* mdma0-2 supported */
+ put_le16(p + 65, 120);
+ put_le16(p + 66, 120);
+ put_le16(p + 67, 120);
+ put_le16(p + 68, 120);
+ put_le16(p + 80, 0xf0); /* ata3 -> ata6 supported */
+ put_le16(p + 81, 0x16); /* conforms to ata5 */
put_le16(p + 82, (1 << 14));
- put_le16(p + 83, (1 << 14));
+ /* 13=flush_cache_ext,12=flush_cache,10=lba48 */
+ put_le16(p + 83, (1 << 14) | (1 << 13) | (1 <<12) | (1 << 10));
put_le16(p + 84, (1 << 14));
put_le16(p + 85, (1 << 14));
- put_le16(p + 86, 0);
+ /* 13=flush_cache_ext,12=flush_cache,10=lba48 */
+ put_le16(p + 86, (1 << 14) | (1 << 13) | (1 <<12) | (1 << 10));
put_le16(p + 87, (1 << 14));
+ put_le16(p + 88, 0x3f | (1 << 13)); /* udma5 set and supported */
+ put_le16(p + 93, 1 | (1 << 14) | 0x2000);
+ put_le16(p + 100, s->nb_sectors);
+ put_le16(p + 101, s->nb_sectors >> 16);
+ put_le16(p + 102, s->nb_sectors >> 32);
+ put_le16(p + 103, s->nb_sectors >> 48);
+
+ memcpy(s->identify_data, p, sizeof(s->identify_data));
+ s->identify_set = 1;
}
static void ide_atapi_identify(IDEState *s)
uint16_t *p;
char buf[20];
+ if (s->identify_set) {
+ memcpy(s->io_buffer, s->identify_data, sizeof(s->identify_data));
+ return;
+ }
+
memset(s->io_buffer, 0, 512);
p = (uint16_t *)s->io_buffer;
/* Removable CDROM, 50us response, 12 byte packets */
put_le16(p + 66, 0xb4); /* recommended DMA multiword tx cycle time */
put_le16(p + 67, 0x12c); /* minimum PIO cycle time without flow control */
put_le16(p + 68, 0xb4); /* minimum PIO cycle time with IORDY flow control */
-
+
put_le16(p + 71, 30); /* in ns */
put_le16(p + 72, 30); /* in ns */
put_le16(p + 80, 0x1e); /* support up to ATA/ATAPI-4 */
+
+ memcpy(s->identify_data, p, sizeof(s->identify_data));
+ s->identify_set = 1;
}
static void ide_set_signature(IDEState *s)
static inline void ide_set_irq(IDEState *s)
{
+ BMDMAState *bm = s->bmdma;
if (!(s->cmd & IDE_CMD_DISABLE_IRQ)) {
-#ifdef TARGET_PPC
- if (s->openpic)
- openpic_set_irq(s->openpic, s->irq, 1);
- else
-#endif
- if (s->irq == 16)
- pci_set_irq(s->pci_dev, 0, 1);
- else
- pic_set_irq(s->irq, 1);
+ if (bm) {
+ bm->status |= BM_STATUS_INT;
+ }
+ s->set_irq(s->irq_opaque, s->irq, 1);
}
}
int64_t sector_num;
if (s->select & 0x40) {
/* lba */
- sector_num = ((s->select & 0x0f) << 24) | (s->hcyl << 16) |
- (s->lcyl << 8) | s->sector;
+ if (!s->lba48) {
+ sector_num = ((s->select & 0x0f) << 24) | (s->hcyl << 16) |
+ (s->lcyl << 8) | s->sector;
+ } else {
+ sector_num = ((int64_t)s->hob_hcyl << 40) |
+ ((int64_t) s->hob_lcyl << 32) |
+ ((int64_t) s->hob_sector << 24) |
+ ((int64_t) s->hcyl << 16) |
+ ((int64_t) 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);
+ (s->select & 0x0f) * s->sectors + (s->sector - 1);
}
return 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);
+ if (!s->lba48) {
+ s->select = (s->select & 0xf0) | (sector_num >> 24);
+ s->hcyl = (sector_num >> 16);
+ s->lcyl = (sector_num >> 8);
+ s->sector = (sector_num);
+ } else {
+ s->sector = sector_num;
+ s->lcyl = sector_num >> 8;
+ s->hcyl = sector_num >> 16;
+ s->hob_sector = sector_num >> 24;
+ s->hob_lcyl = sector_num >> 32;
+ s->hob_hcyl = sector_num >> 40;
+ }
} else {
cyl = sector_num / (s->heads * s->sectors);
r = sector_num % (s->heads * s->sectors);
ide_dma_start(s, ide_read_dma_cb);
}
+static void ide_sector_write_timer_cb(void *opaque)
+{
+ IDEState *s = opaque;
+ ide_set_irq(s);
+}
+
static void ide_sector_write(IDEState *s)
{
int64_t sector_num;
ide_transfer_start(s, s->io_buffer, 512 * n1, ide_sector_write);
}
ide_set_sector(s, sector_num + n);
- ide_set_irq(s);
+
+#ifdef TARGET_I386
+ if (win2k_install_hack && ((++s->irq_count % 16) == 0)) {
+ /* It seems there is a bug in the Windows 2000 installer HDD
+ IDE driver which fills the disk with empty logs when the
+ IDE write IRQ comes too early. This hack tries to correct
+ that at the expense of slower write performances. Use this
+ option _only_ to install Windows 2000. You must disable it
+ for normal use. */
+ qemu_mod_timer(s->sector_write_timer,
+ qemu_get_clock(vm_clock) + (ticks_per_sec / 1000));
+ } else
+#endif
+ {
+ ide_set_irq(s);
+ }
}
static int ide_write_dma_cb(IDEState *s,
if (n == 0) {
/* end of transfer */
s->status = READY_STAT | SEEK_STAT;
- ide_set_irq(s);
+#ifdef TARGET_I386
+ if (win2k_install_hack && ((++s->irq_count % 16) == 0)) {
+ /* It seems there is a bug in the Windows 2000 installer
+ HDD IDE driver which fills the disk with empty logs
+ when the IDE write IRQ comes too early. This hack tries
+ to correct that at the expense of slower write
+ performances. Use this option _only_ to install Windows
+ 2000. You must disable it for normal use. */
+ qemu_mod_timer(s->sector_write_timer,
+ qemu_get_clock(vm_clock) + (ticks_per_sec / 1000));
+ } else
+#endif
+ ide_set_irq(s);
return 0;
}
if (n > MAX_MULT_SECTORS)
case 2352:
/* sync bytes */
buf[0] = 0x00;
- memset(buf + 1, 0xff, 11);
+ memset(buf + 1, 0xff, 10);
+ buf[11] = 0x00;
buf += 12;
/* MSF */
lba_to_msf(buf, lba);
transfer_size = transfer_size1;
while (transfer_size > 0) {
+#ifdef DEBUG_IDE_ATAPI
+ printf("transfer_size: %d phys_addr=%08x\n", transfer_size, phys_addr);
+#endif
if (s->packet_transfer_size <= 0)
break;
len = s->cd_sector_size - s->io_buffer_index;
}
}
-/* same toc as bochs. Return -1 if error or the toc length */
-/* XXX: check this */
-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; /* first session */
- *q++ = 1; /* last session */
- 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 */
- lba_to_msf(q, nb_sectors);
- q += 3;
- } else {
- cpu_to_ube32(q, nb_sectors);
- q += 4;
- }
- len = q - buf;
- cpu_to_ube16(buf, len - 2);
- return len;
-}
-
-/* mostly same info as PearPc */
-static int cdrom_read_toc_raw(IDEState *s, uint8_t *buf, int msf,
- int session_num)
-{
- uint8_t *q;
- int nb_sectors, len;
-
- q = buf + 2;
- *q++ = 1; /* first session */
- *q++ = 1; /* last session */
-
- *q++ = 1; /* session number */
- *q++ = 0x14; /* data track */
- *q++ = 0; /* track number */
- *q++ = 0xa0; /* lead-in */
- *q++ = 0; /* min */
- *q++ = 0; /* sec */
- *q++ = 0; /* frame */
- *q++ = 0;
- *q++ = 1; /* first track */
- *q++ = 0x00; /* disk type */
- *q++ = 0x00;
-
- *q++ = 1; /* session number */
- *q++ = 0x14; /* data track */
- *q++ = 0; /* track number */
- *q++ = 0xa1;
- *q++ = 0; /* min */
- *q++ = 0; /* sec */
- *q++ = 0; /* frame */
- *q++ = 0;
- *q++ = 1; /* last track */
- *q++ = 0x00;
- *q++ = 0x00;
-
- *q++ = 1; /* session number */
- *q++ = 0x14; /* data track */
- *q++ = 0; /* track number */
- *q++ = 0xa2; /* lead-out */
- *q++ = 0; /* min */
- *q++ = 0; /* sec */
- *q++ = 0; /* frame */
- nb_sectors = s->nb_sectors >> 2;
- if (msf) {
- *q++ = 0; /* reserved */
- lba_to_msf(q, nb_sectors);
- q += 3;
- } else {
- cpu_to_ube32(q, nb_sectors);
- q += 4;
- }
-
- *q++ = 1; /* session number */
- *q++ = 0x14; /* ADR, control */
- *q++ = 0; /* track number */
- *q++ = 1; /* point */
- *q++ = 0; /* min */
- *q++ = 0; /* sec */
- *q++ = 0; /* frame */
- *q++ = 0;
- *q++ = 0;
- *q++ = 0;
- *q++ = 0;
-
- len = q - buf;
- cpu_to_ube16(buf, len - 2);
- return len;
-}
-
static void ide_atapi_cmd(IDEState *s)
{
const uint8_t *packet;
start_track = packet[6];
switch(format) {
case 0:
- len = cdrom_read_toc(s, buf, msf, start_track);
+ len = cdrom_read_toc(s->nb_sectors >> 2, buf, msf, start_track);
if (len < 0)
goto error_cmd;
ide_atapi_cmd_reply(s, len, max_len);
ide_atapi_cmd_reply(s, 12, max_len);
break;
case 2:
- len = cdrom_read_toc_raw(s, buf, msf, start_track);
+ len = cdrom_read_toc_raw(s->nb_sectors >> 2, buf, msf, start_track);
if (len < 0)
goto error_cmd;
ide_atapi_cmd_reply(s, len, max_len);
s->nb_sectors = nb_sectors;
}
+static void ide_cmd_lba48_transform(IDEState *s, int lba48)
+{
+ s->lba48 = lba48;
+
+ /* handle the 'magic' 0 nsector count conversion here. to avoid
+ * fiddling with the rest of the read logic, we just store the
+ * full sector count in ->nsector and ignore ->hob_nsector from now
+ */
+ if (!s->lba48) {
+ if (!s->nsector)
+ s->nsector = 256;
+ } else {
+ if (!s->nsector && !s->hob_nsector)
+ s->nsector = 65536;
+ else {
+ int lo = s->nsector;
+ int hi = s->hob_nsector;
+
+ s->nsector = (hi << 8) | lo;
+ }
+ }
+}
+
+static void ide_clear_hob(IDEState *ide_if)
+{
+ /* any write clears HOB high bit of device control register */
+ ide_if[0].select &= ~(1 << 7);
+ ide_if[1].select &= ~(1 << 7);
+}
+
static void ide_ioport_write(void *opaque, uint32_t addr, uint32_t val)
{
IDEState *ide_if = opaque;
IDEState *s;
int unit, n;
+ int lba48 = 0;
#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:
+ ide_clear_hob(ide_if);
/* NOTE: data is written to the two drives */
+ ide_if[0].hob_feature = ide_if[0].feature;
+ ide_if[1].hob_feature = ide_if[1].feature;
ide_if[0].feature = val;
ide_if[1].feature = val;
break;
case 2:
- if (val == 0)
- val = 256;
+ ide_clear_hob(ide_if);
+ ide_if[0].hob_nsector = ide_if[0].nsector;
+ ide_if[1].hob_nsector = ide_if[1].nsector;
ide_if[0].nsector = val;
ide_if[1].nsector = val;
break;
case 3:
+ ide_clear_hob(ide_if);
+ ide_if[0].hob_sector = ide_if[0].sector;
+ ide_if[1].hob_sector = ide_if[1].sector;
ide_if[0].sector = val;
ide_if[1].sector = val;
break;
case 4:
+ ide_clear_hob(ide_if);
+ ide_if[0].hob_lcyl = ide_if[0].lcyl;
+ ide_if[1].hob_lcyl = ide_if[1].lcyl;
ide_if[0].lcyl = val;
ide_if[1].lcyl = val;
break;
case 5:
+ ide_clear_hob(ide_if);
+ ide_if[0].hob_hcyl = ide_if[0].hcyl;
+ ide_if[1].hob_hcyl = ide_if[1].hcyl;
ide_if[0].hcyl = val;
ide_if[1].hcyl = val;
break;
case 6:
+ /* FIXME: HOB readback uses bit 7 */
ide_if[0].select = (val & ~0x10) | 0xa0;
ide_if[1].select = (val | 0x10) | 0xa0;
/* select drive */
/* ignore commands to non existant slave */
if (s != ide_if && !s->bs)
break;
+
switch(val) {
case WIN_IDENTIFY:
if (s->bs && !s->is_cdrom) {
case WIN_SPECIFY:
case WIN_RECAL:
s->error = 0;
- s->status = READY_STAT;
+ s->status = READY_STAT | SEEK_STAT;
ide_set_irq(s);
break;
case WIN_SETMULT:
}
ide_set_irq(s);
break;
+ case WIN_VERIFY_EXT:
+ lba48 = 1;
case WIN_VERIFY:
case WIN_VERIFY_ONCE:
/* do sector number check ? */
+ ide_cmd_lba48_transform(s, lba48);
s->status = READY_STAT;
ide_set_irq(s);
break;
+ case WIN_READ_EXT:
+ lba48 = 1;
case WIN_READ:
case WIN_READ_ONCE:
if (!s->bs)
goto abort_cmd;
+ ide_cmd_lba48_transform(s, lba48);
s->req_nb_sectors = 1;
ide_sector_read(s);
break;
+ case WIN_WRITE_EXT:
+ lba48 = 1;
case WIN_WRITE:
case WIN_WRITE_ONCE:
+ ide_cmd_lba48_transform(s, lba48);
s->error = 0;
s->status = SEEK_STAT | READY_STAT;
s->req_nb_sectors = 1;
ide_transfer_start(s, s->io_buffer, 512, ide_sector_write);
break;
+ case WIN_MULTREAD_EXT:
+ lba48 = 1;
case WIN_MULTREAD:
if (!s->mult_sectors)
goto abort_cmd;
+ ide_cmd_lba48_transform(s, lba48);
s->req_nb_sectors = s->mult_sectors;
ide_sector_read(s);
break;
+ case WIN_MULTWRITE_EXT:
+ lba48 = 1;
case WIN_MULTWRITE:
if (!s->mult_sectors)
goto abort_cmd;
+ ide_cmd_lba48_transform(s, lba48);
s->error = 0;
s->status = SEEK_STAT | READY_STAT;
s->req_nb_sectors = s->mult_sectors;
n = s->req_nb_sectors;
ide_transfer_start(s, s->io_buffer, 512 * n, ide_sector_write);
break;
+ case WIN_READDMA_EXT:
+ lba48 = 1;
case WIN_READDMA:
case WIN_READDMA_ONCE:
if (!s->bs)
goto abort_cmd;
+ ide_cmd_lba48_transform(s, lba48);
ide_sector_read_dma(s);
break;
+ case WIN_WRITEDMA_EXT:
+ lba48 = 1;
case WIN_WRITEDMA:
case WIN_WRITEDMA_ONCE:
if (!s->bs)
goto abort_cmd;
+ ide_cmd_lba48_transform(s, lba48);
ide_sector_write_dma(s);
break;
+ case WIN_READ_NATIVE_MAX_EXT:
+ lba48 = 1;
case WIN_READ_NATIVE_MAX:
+ ide_cmd_lba48_transform(s, lba48);
ide_set_sector(s, s->nb_sectors - 1);
s->status = READY_STAT;
ide_set_irq(s);
/* XXX: valid for CDROM ? */
switch(s->feature) {
case 0x02: /* write cache enable */
- case 0x03: /* set transfer mode */
case 0x82: /* write cache disable */
case 0xaa: /* read look-ahead enable */
case 0x55: /* read look-ahead disable */
- s->status = READY_STAT;
+ s->status = READY_STAT | SEEK_STAT;
+ ide_set_irq(s);
+ break;
+ case 0x03: { /* set transfer mode */
+ uint8_t val = s->nsector & 0x07;
+
+ switch (s->nsector >> 3) {
+ case 0x00: /* pio default */
+ case 0x01: /* pio mode */
+ put_le16(s->identify_data + 63,0x07);
+ put_le16(s->identify_data + 88,0x3f);
+ break;
+ case 0x04: /* mdma mode */
+ put_le16(s->identify_data + 63,0x07 | (1 << (val + 8)));
+ put_le16(s->identify_data + 88,0x3f);
+ break;
+ case 0x08: /* udma mode */
+ put_le16(s->identify_data + 63,0x07);
+ put_le16(s->identify_data + 88,0x3f | (1 << (val + 8)));
+ break;
+ default:
+ goto abort_cmd;
+ }
+ s->status = READY_STAT | SEEK_STAT;
ide_set_irq(s);
break;
+ }
default:
goto abort_cmd;
}
break;
+ case WIN_FLUSH_CACHE:
+ case WIN_FLUSH_CACHE_EXT:
+ if (s->bs)
+ bdrv_flush(s->bs);
+ s->status = READY_STAT;
+ ide_set_irq(s);
+ break;
+ case WIN_STANDBYNOW1:
+ case WIN_IDLEIMMEDIATE:
+ 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;
+ s->status = READY_STAT | SEEK_STAT;
ide_transfer_start(s, s->io_buffer, 512, ide_transfer_stop);
} else {
ide_abort_command(s);
}
ide_set_irq(s);
break;
+ case WIN_DIAGNOSE:
+ ide_set_signature(s);
+ s->status = 0x00; /* NOTE: READY is _not_ set */
+ s->error = 0x01;
+ break;
case WIN_SRST:
if (!s->is_cdrom)
goto abort_cmd;
IDEState *ide_if = opaque;
IDEState *s = ide_if->cur_drive;
uint32_t addr;
- int ret;
+ int ret, hob;
addr = addr1 & 7;
+ /* FIXME: HOB readback uses bit 7, but it's always set right now */
+ //hob = s->select & (1 << 7);
+ hob = 0;
switch(addr) {
case 0:
ret = 0xff;
case 1:
if (!ide_if[0].bs && !ide_if[1].bs)
ret = 0;
- else
+ else if (!hob)
ret = s->error;
+ else
+ ret = s->hob_feature;
break;
case 2:
if (!ide_if[0].bs && !ide_if[1].bs)
ret = 0;
- else
+ else if (!hob)
ret = s->nsector & 0xff;
+ else
+ ret = s->hob_nsector;
break;
case 3:
if (!ide_if[0].bs && !ide_if[1].bs)
ret = 0;
- else
+ else if (!hob)
ret = s->sector;
+ else
+ ret = s->hob_sector;
break;
case 4:
if (!ide_if[0].bs && !ide_if[1].bs)
ret = 0;
- else
+ else if (!hob)
ret = s->lcyl;
+ else
+ ret = s->hob_lcyl;
break;
case 5:
if (!ide_if[0].bs && !ide_if[1].bs)
ret = 0;
- else
+ else if (!hob)
ret = s->hcyl;
+ else
+ ret = s->hob_hcyl;
break;
case 6:
if (!ide_if[0].bs && !ide_if[1].bs)
ret = 0;
else
ret = s->status;
-#ifdef TARGET_PPC
- if (s->openpic)
- openpic_set_irq(s->openpic, s->irq, 0);
- else
-#endif
- if (s->irq == 16)
- pci_set_irq(s->pci_dev, 0, 0);
- else
- pic_set_irq(s->irq, 0);
+ s->set_irq(s->irq_opaque, s->irq, 0);
break;
}
#ifdef DEBUG_IDE
return ret;
}
+static void ide_dummy_transfer_stop(IDEState *s)
+{
+ s->data_ptr = s->io_buffer;
+ s->data_end = s->io_buffer;
+ s->io_buffer[0] = 0xff;
+ s->io_buffer[1] = 0xff;
+ s->io_buffer[2] = 0xff;
+ s->io_buffer[3] = 0xff;
+}
+
static void ide_reset(IDEState *s)
{
s->mult_sectors = MAX_MULT_SECTORS;
s->select = 0xa0;
s->status = READY_STAT;
ide_set_signature(s);
+ /* init the transfer handler so that 0xffff is returned on data
+ accesses */
+ s->end_transfer_func = ide_dummy_transfer_stop;
+ ide_dummy_transfer_stop(s);
}
struct partition {
uint32_t nr_sects; /* nr of sectors in partition */
} __attribute__((packed));
-/* try to guess the IDE geometry from the MSDOS partition table */
-static void ide_guess_geometry(IDEState *s)
+/* try to guess the disk logical geometry from the MSDOS partition table. Return 0 if OK, -1 if could not guess */
+static int guess_disk_lchs(IDEState *s,
+ int *pcylinders, int *pheads, int *psectors)
{
uint8_t buf[512];
- int ret, i;
+ int ret, i, heads, sectors, cylinders;
struct partition *p;
uint32_t nr_sects;
- if (s->cylinders != 0)
- return;
ret = bdrv_read(s->bs, 0, buf, 1);
if (ret < 0)
- return;
+ return -1;
/* test msdos magic */
if (buf[510] != 0x55 || buf[511] != 0xaa)
- return;
+ return -1;
for(i = 0; i < 4; i++) {
p = ((struct partition *)(buf + 0x1be)) + i;
nr_sects = le32_to_cpu(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);
+ heads = p->end_head + 1;
+ sectors = p->end_sector & 63;
+ if (sectors == 0)
+ continue;
+ cylinders = s->nb_sectors / (heads * sectors);
+ if (cylinders < 1 || cylinders > 16383)
+ continue;
+ *pheads = heads;
+ *psectors = sectors;
+ *pcylinders = cylinders;
#if 0
- printf("guessed partition: CHS=%d %d %d\n",
- s->cylinders, s->heads, s->sectors);
+ printf("guessed geometry: LCHS=%d %d %d\n",
+ cylinders, heads, sectors);
#endif
+ return 0;
}
}
+ return -1;
}
-static void ide_init2(IDEState *ide_state, int irq,
- BlockDriverState *hd0, BlockDriverState *hd1)
+static void ide_init2(IDEState *ide_state,
+ BlockDriverState *hd0, BlockDriverState *hd1,
+ SetIRQFunc *set_irq, void *irq_opaque, int irq)
{
IDEState *s;
static int drive_serial = 1;
- int i, cylinders, heads, secs;
+ int i, cylinders, heads, secs, translation;
int64_t nb_sectors;
for(i = 0; i < 2; i++) {
s->heads = heads;
s->sectors = secs;
} else {
- ide_guess_geometry(s);
- if (s->cylinders == 0) {
- /* if no geometry, use a LBA compatible one */
+ if (guess_disk_lchs(s, &cylinders, &heads, &secs) == 0) {
+ if (heads > 16) {
+ /* if heads > 16, it means that a BIOS LBA
+ translation was active, so the default
+ hardware geometry is OK */
+ goto default_geometry;
+ } else {
+ s->cylinders = cylinders;
+ s->heads = heads;
+ s->sectors = secs;
+ /* disable any translation to be in sync with
+ the logical geometry */
+ translation = bdrv_get_translation_hint(s->bs);
+ if (translation == BIOS_ATA_TRANSLATION_AUTO) {
+ bdrv_set_translation_hint(s->bs,
+ BIOS_ATA_TRANSLATION_NONE);
+ }
+ }
+ } else {
+ default_geometry:
+ /* if no geometry, use a standard physical disk geometry */
cylinders = nb_sectors / (16 * 63);
if (cylinders > 16383)
cylinders = 16383;
s->heads = 16;
s->sectors = 63;
}
+ bdrv_set_geometry_hint(s->bs, s->cylinders, s->heads, s->sectors);
}
if (bdrv_get_type_hint(s->bs) == BDRV_TYPE_CDROM) {
s->is_cdrom = 1;
}
}
s->drive_serial = drive_serial++;
+ s->set_irq = set_irq;
+ s->irq_opaque = irq_opaque;
s->irq = irq;
+ s->sector_write_timer = qemu_new_timer(vm_clock,
+ ide_sector_write_timer_cb, s);
ide_reset(s);
}
}
if (!ide_state)
return;
- ide_init2(ide_state, irq, hd0, hd1);
+ ide_init2(ide_state, hd0, hd1, pic_set_irq_new, isa_pic, irq);
ide_init_ioport(ide_state, iobase, iobase2);
}
/***********************************************************/
/* PCI IDE definitions */
+static void cmd646_update_irq(PCIIDEState *d);
+
static void ide_map(PCIDevice *pci_dev, int region_num,
uint32_t addr, uint32_t size, int type)
{
}
}
-static uint32_t bmdma_cmd_readb(void *opaque, uint32_t addr)
-{
- BMDMAState *bm = opaque;
- uint32_t val;
- val = bm->cmd;
-#ifdef DEBUG_IDE
- printf("%s: 0x%08x\n", __func__, val);
-#endif
- return val;
-}
-
static void bmdma_cmd_writeb(void *opaque, uint32_t addr, uint32_t val)
{
BMDMAState *bm = opaque;
}
}
-static uint32_t bmdma_status_readb(void *opaque, uint32_t addr)
+static uint32_t bmdma_readb(void *opaque, uint32_t addr)
{
BMDMAState *bm = opaque;
+ PCIIDEState *pci_dev;
uint32_t val;
- val = bm->status;
+
+ switch(addr & 3) {
+ case 0:
+ val = bm->cmd;
+ break;
+ case 1:
+ pci_dev = bm->pci_dev;
+ if (pci_dev->type == IDE_TYPE_CMD646) {
+ val = pci_dev->dev.config[MRDMODE];
+ } else {
+ val = 0xff;
+ }
+ break;
+ case 2:
+ val = bm->status;
+ break;
+ case 3:
+ pci_dev = bm->pci_dev;
+ if (pci_dev->type == IDE_TYPE_CMD646) {
+ if (bm == &pci_dev->bmdma[0])
+ val = pci_dev->dev.config[UDIDETCR0];
+ else
+ val = pci_dev->dev.config[UDIDETCR1];
+ } else {
+ val = 0xff;
+ }
+ break;
+ default:
+ val = 0xff;
+ break;
+ }
#ifdef DEBUG_IDE
- printf("%s: 0x%08x\n", __func__, val);
+ printf("bmdma: readb 0x%02x : 0x%02x\n", addr, val);
#endif
return val;
}
-static void bmdma_status_writeb(void *opaque, uint32_t addr, uint32_t val)
+static void bmdma_writeb(void *opaque, uint32_t addr, uint32_t val)
{
BMDMAState *bm = opaque;
+ PCIIDEState *pci_dev;
#ifdef DEBUG_IDE
- printf("%s: 0x%08x\n", __func__, val);
+ printf("bmdma: writeb 0x%02x : 0x%02x\n", addr, val);
#endif
- bm->status = (val & 0x60) | (bm->status & 1) | (bm->status & ~val & 0x06);
+ switch(addr & 3) {
+ case 1:
+ pci_dev = bm->pci_dev;
+ if (pci_dev->type == IDE_TYPE_CMD646) {
+ pci_dev->dev.config[MRDMODE] =
+ (pci_dev->dev.config[MRDMODE] & ~0x30) | (val & 0x30);
+ cmd646_update_irq(pci_dev);
+ }
+ break;
+ case 2:
+ bm->status = (val & 0x60) | (bm->status & 1) | (bm->status & ~val & 0x06);
+ break;
+ case 3:
+ pci_dev = bm->pci_dev;
+ if (pci_dev->type == IDE_TYPE_CMD646) {
+ if (bm == &pci_dev->bmdma[0])
+ pci_dev->dev.config[UDIDETCR0] = val;
+ else
+ pci_dev->dev.config[UDIDETCR1] = val;
+ }
+ break;
+ }
}
static uint32_t bmdma_addr_readl(void *opaque, uint32_t addr)
BMDMAState *bm = &d->bmdma[i];
d->ide_if[2 * i].bmdma = bm;
d->ide_if[2 * i + 1].bmdma = bm;
-
+ bm->pci_dev = (PCIIDEState *)pci_dev;
+
register_ioport_write(addr, 1, 1, bmdma_cmd_writeb, bm);
- register_ioport_read(addr, 1, 1, bmdma_cmd_readb, bm);
- register_ioport_write(addr + 2, 1, 1, bmdma_status_writeb, bm);
- register_ioport_read(addr + 2, 1, 1, bmdma_status_readb, bm);
+ register_ioport_write(addr + 1, 3, 1, bmdma_writeb, bm);
+ register_ioport_read(addr, 4, 1, bmdma_readb, bm);
register_ioport_write(addr + 4, 4, 4, bmdma_addr_writel, bm);
register_ioport_read(addr + 4, 4, 4, bmdma_addr_readl, bm);
}
}
-/* hd_table must contain 4 block drivers */
-void pci_ide_init(PCIBus *bus, BlockDriverState **hd_table)
+/* XXX: call it also when the MRDMODE is changed from the PCI config
+ registers */
+static void cmd646_update_irq(PCIIDEState *d)
+{
+ int pci_level;
+ pci_level = ((d->dev.config[MRDMODE] & MRDMODE_INTR_CH0) &&
+ !(d->dev.config[MRDMODE] & MRDMODE_BLK_CH0)) ||
+ ((d->dev.config[MRDMODE] & MRDMODE_INTR_CH1) &&
+ !(d->dev.config[MRDMODE] & MRDMODE_BLK_CH1));
+ pci_set_irq((PCIDevice *)d, 0, pci_level);
+}
+
+/* the PCI irq level is the logical OR of the two channels */
+static void cmd646_set_irq(void *opaque, int channel, int level)
+{
+ PCIIDEState *d = opaque;
+ int irq_mask;
+
+ irq_mask = MRDMODE_INTR_CH0 << channel;
+ if (level)
+ d->dev.config[MRDMODE] |= irq_mask;
+ else
+ d->dev.config[MRDMODE] &= ~irq_mask;
+ cmd646_update_irq(d);
+}
+
+/* CMD646 PCI IDE controller */
+void pci_cmd646_ide_init(PCIBus *bus, BlockDriverState **hd_table,
+ int secondary_ide_enabled)
{
PCIIDEState *d;
uint8_t *pci_conf;
int i;
- d = (PCIIDEState *)pci_register_device(bus, "IDE", sizeof(PCIIDEState),
+ d = (PCIIDEState *)pci_register_device(bus, "CMD646 IDE",
+ sizeof(PCIIDEState),
-1,
NULL, NULL);
+ d->type = IDE_TYPE_CMD646;
pci_conf = d->dev.config;
- pci_conf[0x00] = 0x86; // Intel
- pci_conf[0x01] = 0x80;
- pci_conf[0x02] = 0x00; // fake
- pci_conf[0x03] = 0x01; // fake
+ pci_conf[0x00] = 0x95; // CMD646
+ pci_conf[0x01] = 0x10;
+ pci_conf[0x02] = 0x46;
+ pci_conf[0x03] = 0x06;
+
+ pci_conf[0x08] = 0x07; // IDE controller revision
+ pci_conf[0x09] = 0x8f;
+
pci_conf[0x0a] = 0x01; // class_sub = PCI_IDE
pci_conf[0x0b] = 0x01; // class_base = PCI_mass_storage
- pci_conf[0x0e] = 0x80; // header_type = PCI_multifunction, generic
-
- pci_conf[0x2c] = 0x86; // subsys vendor
- pci_conf[0x2d] = 0x80; // subsys vendor
- pci_conf[0x2e] = 0x00; // fake
- pci_conf[0x2f] = 0x01; // fake
+ pci_conf[0x0e] = 0x00; // header_type
+
+ if (secondary_ide_enabled) {
+ /* XXX: if not enabled, really disable the seconday IDE controller */
+ pci_conf[0x51] = 0x80; /* enable IDE1 */
+ }
pci_register_io_region((PCIDevice *)d, 0, 0x8,
PCI_ADDRESS_SPACE_IO, ide_map);
PCI_ADDRESS_SPACE_IO, bmdma_map);
pci_conf[0x3d] = 0x01; // interrupt on pin 1
-
+
for(i = 0; i < 4; i++)
d->ide_if[i].pci_dev = (PCIDevice *)d;
- ide_init2(&d->ide_if[0], 16, hd_table[0], hd_table[1]);
- ide_init2(&d->ide_if[2], 16, hd_table[2], hd_table[3]);
+ ide_init2(&d->ide_if[0], hd_table[0], hd_table[1],
+ cmd646_set_irq, d, 0);
+ ide_init2(&d->ide_if[2], hd_table[2], hd_table[3],
+ cmd646_set_irq, d, 1);
}
/* hd_table must contain 4 block drivers */
/* NOTE: for the PIIX3, the IRQs and IOports are hardcoded */
-void pci_piix3_ide_init(PCIBus *bus, BlockDriverState **hd_table)
+void pci_piix3_ide_init(PCIBus *bus, BlockDriverState **hd_table, int devfn)
{
PCIIDEState *d;
uint8_t *pci_conf;
/* register a function 1 of PIIX3 */
d = (PCIIDEState *)pci_register_device(bus, "PIIX3 IDE",
sizeof(PCIIDEState),
- ((PCIDevice *)piix3_state)->devfn + 1,
+ devfn,
NULL, NULL);
+ d->type = IDE_TYPE_PIIX3;
+
pci_conf = d->dev.config;
pci_conf[0x00] = 0x86; // Intel
pci_conf[0x01] = 0x80;
pci_conf[0x02] = 0x10;
pci_conf[0x03] = 0x70;
+ pci_conf[0x09] = 0x80; // legacy ATA mode
pci_conf[0x0a] = 0x01; // class_sub = PCI_IDE
pci_conf[0x0b] = 0x01; // class_base = PCI_mass_storage
pci_conf[0x0e] = 0x00; // header_type
pci_register_io_region((PCIDevice *)d, 4, 0x10,
PCI_ADDRESS_SPACE_IO, bmdma_map);
- ide_init2(&d->ide_if[0], 14, hd_table[0], hd_table[1]);
- ide_init2(&d->ide_if[2], 15, hd_table[2], hd_table[3]);
+ ide_init2(&d->ide_if[0], hd_table[0], hd_table[1],
+ pic_set_irq_new, isa_pic, 14);
+ ide_init2(&d->ide_if[2], hd_table[2], hd_table[3],
+ pic_set_irq_new, isa_pic, 15);
ide_init_ioport(&d->ide_if[0], 0x1f0, 0x3f6);
ide_init_ioport(&d->ide_if[2], 0x170, 0x376);
}
/* PowerMac uses memory mapped registers, not I/O. Return the memory
I/O index to access the ide. */
int pmac_ide_init (BlockDriverState **hd_table,
- openpic_t *openpic, int irq)
+ SetIRQFunc *set_irq, void *irq_opaque, int irq)
{
IDEState *ide_if;
int pmac_ide_memory;
ide_if = qemu_mallocz(sizeof(IDEState) * 2);
- ide_init2(&ide_if[0], irq, hd_table[0], hd_table[1]);
- ide_if[0].openpic = openpic;
- ide_if[1].openpic = openpic;
+ ide_init2(&ide_if[0], hd_table[0], hd_table[1],
+ set_irq, irq_opaque, irq);
pmac_ide_memory = cpu_register_io_memory(0, pmac_ide_read,
pmac_ide_write, &ide_if[0]);