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Added support for up to 4 IDE hard drives.

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This commit is contained in:
TomW 2015-07-12 11:43:12 +01:00
commit e10ee63a10
7 changed files with 325 additions and 18 deletions
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17
src/ide.c
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@ -150,7 +150,7 @@ IDE ide_drives[4];
IDE *ext_ide;
char ide_fn[2][512];
char ide_fn[4][512];
int (*ide_bus_master_read_sector)(int channel, uint8_t *data);
int (*ide_bus_master_write_sector)(int channel, uint8_t *data);
@ -277,9 +277,9 @@ static void ide_identify(IDE *ide)
ide->buffer[3] = 16; /* Heads */
ide->buffer[6] = 63; /* Sectors */
#else
ide->buffer[1] = hdc[cur_ide[0]].tracks; /* Cylinders */
ide->buffer[3] = hdc[cur_ide[0]].hpc; /* Heads */
ide->buffer[6] = hdc[cur_ide[0]].spt; /* Sectors */
ide->buffer[1] = hdc[cur_ide[ide->board]].tracks; /* Cylinders */
ide->buffer[3] = hdc[cur_ide[ide->board]].hpc; /* Heads */
ide->buffer[6] = hdc[cur_ide[ide->board]].spt; /* Sectors */
#endif
ide_padstr((char *) (ide->buffer + 10), "", 20); /* Serial Number */
ide_padstr((char *) (ide->buffer + 23), "v1.0", 8); /* Firmware */
@ -301,8 +301,8 @@ static void ide_identify(IDE *ide)
ide->buffer[60] = (65535 * 16 * 63) & 0xFFFF; /* Total addressable sectors (LBA) */
ide->buffer[61] = (65535 * 16 * 63) >> 16;
#else
ide->buffer[60] = (hdc[cur_ide[0]].tracks * hdc[cur_ide[0]].hpc * hdc[cur_ide[0]].spt) & 0xFFFF; /* Total addressable sectors (LBA) */
ide->buffer[61] = (hdc[cur_ide[0]].tracks * hdc[cur_ide[0]].hpc * hdc[cur_ide[0]].spt) >> 16;
ide->buffer[60] = (hdc[cur_ide[ide->board]].tracks * hdc[cur_ide[ide->board]].hpc * hdc[cur_ide[ide->board]].spt) & 0xFFFF; /* Total addressable sectors (LBA) */
ide->buffer[61] = (hdc[cur_ide[ide->board]].tracks * hdc[cur_ide[ide->board]].hpc * hdc[cur_ide[ide->board]].spt) >> 16;
#endif
ide->buffer[63] = 7; /*Multiword DMA*/
ide->buffer[80] = 0xe; /*ATA-1 to ATA-3 supported*/
@ -565,8 +565,11 @@ void resetide(void)
#else
loadhd(&ide_drives[0], 0, ide_fn[0]);
loadhd(&ide_drives[1], 1, ide_fn[1]);
loadhd(&ide_drives[2], 2, ide_fn[2]);
if (cdrom_enabled)
ide_drives[2].type = IDE_CDROM;
ide_drives[3].type = IDE_CDROM;
else
loadhd(&ide_drives[3], 3, ide_fn[3]);
#endif
cur_ide[0] = 0;