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Added some things that were missing from the DMA controller;

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Fixed a link-breaking bug in cdrom.c;
The AHA-154x now supports commands 0x28 (GET EXTENDED BIOS INFO) and 0x29 (UNLOCK MAILBOX) and no longer reports a firmware revision with scatter/gather bug;
The BusLogic now supports command 0x20 (RESET);
Fixed the GPIO register mapping on the National Semiconductors PC87306 Super I/O chip.
This commit is contained in:
OBattler
2017-01-26 17:20:55 +01:00
parent 89840c7fc9
commit d4afd7c2c3
7 changed files with 188 additions and 77 deletions
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8
src/piix.c
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@@ -26,6 +26,7 @@ static uint8_t card_piix[256], card_piix_ide[256];
void piix_write(int func, int addr, uint8_t val, void *priv)
{
uint16_t old_base = (card_piix_ide[0x20] & 0xf0) | (card_piix_ide[0x21] << 8);
// pclog("piix_write: func=%d addr=%02x val=%02x %04x:%08x\n", func, addr, val, CS, pc);
if (func > 1)
return;
@@ -83,9 +84,12 @@ void piix_write(int func, int addr, uint8_t val, void *priv)
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_removehandler(old_base, 0x10, piix_bus_master_read, NULL, NULL, piix_bus_master_write, NULL, NULL, NULL);
pclog("Setting PIIX IDE bus master to new base address: %04X\n", base);
if (card_piix_ide[0x04] & 1)
io_sethandler(base, 0x10, 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);
}
}
// pclog("PIIX write %02X %02X\n", addr, val);
}