80486DX2-66/86Box-fork
1
0
Fork 0
Code Issues Pull Requests Activity

PIIX3 fixes.

Browse Source
This commit is contained in:
OBattler
2021-07-27 03:42:56 +02:00
parent 2d376b4584
commit f79b11cd9a
1 changed files with 8 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
src/chipset/intel_piix.c
View File

@@ -589,18 +589,13 @@ piix_write(int func, int addr, uint8_t val, void *priv)
} else if (func == 1) switch(addr) { /* IDE */
case 0x04:
fregs[0x04] = (val & 5);
if (dev->type < 3)
if (dev->type <= 3)
fregs[0x04] |= 0x02;
piix_ide_handlers(dev, 0x03);
piix_ide_bm_handlers(dev);
break;
case 0x07:
if (val & 0x20)
fregs[0x07] &= 0xdf;
if (val & 0x10)
fregs[0x07] &= 0xef;
if (val & 0x08)
fregs[0x07] &= 0xf7;
fregs[0x07] &= ~(val & 0x38);
break;
case 0x09:
if (dev->type == 5) {
@@ -669,7 +664,8 @@ piix_write(int func, int addr, uint8_t val, void *priv)
piix_ide_bm_handlers(dev);
break;
case 0x3c:
fregs[0x3c] = val;
if (dev->type == 5)
fregs[0x3c] = val;
break;
case 0x3d:
if (dev->type == 5)
@@ -706,6 +702,8 @@ piix_write(int func, int addr, uint8_t val, void *priv)
if (dev->type > 4)
fregs[addr] = val;
break;
default:
break;
} else if (func == 2) switch(addr) { /* USB */
case 0x04:
if (dev->type > 4) {
@@ -1051,6 +1049,8 @@ piix_reset_hard(piix_t *dev)
/* Function 1: IDE */
fregs = (uint8_t *) dev->regs[1];
piix_log("PIIX Function 1: %02X%02X:%02X%02X\n", fregs[0x01], fregs[0x00], fregs[0x03], fregs[0x02]);
if (dev->type < 4)
fregs[0x04] = 0x02;
fregs[0x06] = 0x80; fregs[0x07] = 0x02;
if (dev->type == 4)
fregs[0x08] = dev->rev & 0x07;