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PIIX command register now honours bit 2.

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All IDE interrupts now set PIIX IDE Interrupt Status.
Helps BeOS.
This commit is contained in:
TomW 2015-05-03 16:10:11 +01:00
commit d2206f91c9
2 changed files with 5 additions and 5 deletions
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7
src/piix.c
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@ -29,7 +29,7 @@ void piix_write(int func, int addr, uint8_t val, void *priv)
switch (addr)
{
case 0x04:
card_piix_ide[0x04] = (card_piix_ide[0x04] & ~1) | (val & 1);
card_piix_ide[0x04] = (card_piix_ide[0x04] & ~5) | (val & 5);
break;
case 0x07:
card_piix_ide[0x07] = (card_piix_ide[0x07] & ~0x38) | (val & 0x38);
@ -70,11 +70,12 @@ void piix_write(int func, int addr, uint8_t val, void *priv)
card_piix_ide[0x43] = val;
break;
}
if ((addr & ~3) == 0x20) /*Bus master base address*/
if (addr == 4 || (addr & ~3) == 0x20) /*Bus master base address*/
{
uint16_t base = (card_piix_ide[0x20] & 0xf0) | (card_piix_ide[0x21] << 8);
io_removehandler(0, 0x10000, piix_bus_master_read, NULL, NULL, piix_bus_master_write, NULL, NULL, NULL);
io_sethandler(base, 0x10, piix_bus_master_read, NULL, NULL, piix_bus_master_write, NULL, NULL, NULL);
if (card_piix_ide[0x04] & 1)
io_sethandler(base, 0x10, piix_bus_master_read, NULL, NULL, piix_bus_master_write, NULL, NULL, NULL);
}
// pclog("PIIX write %02X %02X\n", addr, val);
}