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qemu
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enabled DMA 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1128 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2004-11-09 22:04:05 +00:00
parent f6c958c865
commit e0fe67aa72
1 changed files with 5 additions and 3 deletions
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8
hw/ide.c
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@ -416,10 +416,10 @@ static void ide_identify(IDEState *s)
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 << 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 << 2); /* words 54-58,88 are valid */
put_le16(p + 54, s->cylinders);
put_le16(p + 55, s->heads);
put_le16(p + 56, s->sectors);
@ -437,6 +437,8 @@ static void ide_identify(IDEState *s)
put_le16(p + 85, (1 << 14));
put_le16(p + 86, 0);
put_le16(p + 87, (1 << 14));
put_le16(p + 88, 0x1f | (1 << 13));
put_le16(p + 93, 1 | (1 << 14) | 0x2000 | 0x4000);
}
static void ide_atapi_identify(IDEState *s)
@ -1560,7 +1562,7 @@ static void ide_ioport_write(void *opaque, uint32_t addr, uint32_t val)
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;
default: