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Improved PCI configuration registers on i430LX, i430FX, i430VX and PIIX.

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This commit is contained in:
SarahW 2017-06-01 20:43:34 +01:00
commit d38c51c0d6
4 changed files with 63 additions and 5 deletions
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22
src/i430fx.c
View file

@ -34,15 +34,33 @@ static void i430fx_map(uint32_t addr, uint32_t size, int state)
void i430fx_write(int func, int addr, uint8_t val, void *priv)
{
if (func)
return;
return;
if (addr >= 0x10 && addr < 0x4f)
return;
switch (addr)
{
case 0x00: case 0x01: case 0x02: case 0x03:
case 0x08: case 0x09: case 0x0a: case 0x0b:
case 0x0e:
case 0x0c: case 0x0e:
return;
case 0x04: /*Command register*/
val &= 0x02;
val |= 0x04;
break;
case 0x05:
val = 0;
break;
case 0x06: /*Status*/
val = 0;
break;
case 0x07:
val = 0x02;
break;
case 0x59: /*PAM0*/
if ((card_i430fx[0x59] ^ val) & 0xf0)
{

20
src/i430lx.c
View file

@ -36,13 +36,31 @@ void i430lx_write(int func, int addr, uint8_t val, void *priv)
if (func)
return;
if (addr >= 0x10 && addr < 0x4f)
return;
switch (addr)
{
case 0x00: case 0x01: case 0x02: case 0x03:
case 0x08: case 0x09: case 0x0a: case 0x0b:
case 0x0e:
case 0x0c: case 0x0e:
return;
case 0x04: /*Command register*/
val &= 0x42;
val |= 0x04;
break;
case 0x05:
val &= 0x01;
break;
case 0x06: /*Status*/
val = 0;
break;
case 0x07:
val = 0x02;
break;
case 0x59: /*PAM0*/
if ((card_i430lx[0x59] ^ val) & 0xf0)
{

21
src/i430vx.c
View file

@ -34,13 +34,32 @@ void i430vx_write(int func, int addr, uint8_t val, void *priv)
if (func)
return;
if (addr >= 0x10 && addr < 0x4f)
return;
switch (addr)
{
case 0x00: case 0x01: case 0x02: case 0x03:
case 0x08: case 0x09: case 0x0a: case 0x0b:
case 0x0e:
case 0x0c: case 0x0e:
return;
case 0x04: /*Command register*/
val &= 0x02;
val |= 0x04;
break;
case 0x05:
val = 0;
break;
case 0x06: /*Status*/
val = 0;
break;
case 0x07:
val &= 0x80;
val |= 0x02;
break;
case 0x59: /*PAM0*/
if ((card_i430vx[0x59] ^ val) & 0xf0)
{

5
src/piix.c
View file

@ -81,6 +81,9 @@ void piix_write(int func, int addr, uint8_t val, void *priv)
}
else
{
if (addr >= 0x0f && addr < 0x4c)
return;
switch (addr)
{
case 0x00: case 0x01: case 0x02: case 0x03:
@ -343,7 +346,7 @@ void piix_init(int card, int pci_a, int pci_b, int pci_c, int pci_d)
card_piix[0x00] = 0x86; card_piix[0x01] = 0x80; /*Intel*/
card_piix[0x02] = 0x2e; card_piix[0x03] = 0x12; /*82371FB (PIIX)*/
card_piix[0x04] = 0x07; card_piix[0x05] = 0x00;
card_piix[0x06] = 0x00; card_piix[0x07] = 0x02;
card_piix[0x06] = 0x80; card_piix[0x07] = 0x02;
card_piix[0x08] = 0x00; /*A0 stepping*/
card_piix[0x09] = 0x00; card_piix[0x0a] = 0x01; card_piix[0x0b] = 0x06;
card_piix[0x0e] = 0x80; /*Multi-function device*/