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lpci/i82439tx.cpp: do not always assert on unimplemented pci cofiguration registers ... (nw)

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... log a message in the error log instead. Also put writes to 0x58 and 0x5c in their own case.
This commit is contained in:
yz70s 2017-06-25 14:10:17 +02:00
parent 0bb1b8599c
commit 7d449ce828
1 changed files with 41 additions and 37 deletions
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78
src/devices/bus/lpci/i82439tx.cpp
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@ -88,6 +88,10 @@ uint32_t i82439tx_device::pci_read(pci_bus_device *pcibus, int function, int off
case 0x44: /* reserved */
case 0x48: /* reserved */
case 0x4C: /* reserved */
logerror("i82439tx_pci_read(): Unemulated PCI read 0x%02X, returning 0\n", offset);
result = 0;
break;
case 0x50:
case 0x54:
case 0x58:
@ -167,12 +171,47 @@ void i82439tx_device::pci_write(pci_bus_device *pcibus, int function, int offset
/* read only */
break;
case 0x58:
if ((mem_mask & 0x0000f000))
i82439tx_configure_memory(data >> 12, 0xf0000, 0xfffff);
if ((mem_mask & 0x000f0000))
i82439tx_configure_memory(data >> 16, 0xc0000, 0xc3fff);
if ((mem_mask & 0x00f00000))
i82439tx_configure_memory(data >> 20, 0xc4000, 0xc7fff);
if ((mem_mask & 0x0f000000))
i82439tx_configure_memory(data >> 24, 0xc8000, 0xccfff);
if ((mem_mask & 0xf0000000))
i82439tx_configure_memory(data >> 28, 0xcc000, 0xcffff);
COMBINE_DATA(&m_regs[(offset - 0x50) / 4]);
break;
case 0x5C:
if ((mem_mask & 0x0000000f))
i82439tx_configure_memory(data >> 0, 0xd0000, 0xd3fff);
if ((mem_mask & 0x000000f0))
i82439tx_configure_memory(data >> 4, 0xd4000, 0xd7fff);
if ((mem_mask & 0x00000f00))
i82439tx_configure_memory(data >> 8, 0xd8000, 0xdbfff);
if ((mem_mask & 0x0000f000))
i82439tx_configure_memory(data >> 12, 0xdc000, 0xdffff);
if ((mem_mask & 0x000f0000))
i82439tx_configure_memory(data >> 16, 0xe0000, 0xe3fff);
if ((mem_mask & 0x00f00000))
i82439tx_configure_memory(data >> 20, 0xe4000, 0xe7fff);
if ((mem_mask & 0x0f000000))
i82439tx_configure_memory(data >> 24, 0xe8000, 0xecfff);
if ((mem_mask & 0xf0000000))
i82439tx_configure_memory(data >> 28, 0xec000, 0xeffff);
COMBINE_DATA(&m_regs[(offset - 0x50) / 4]);
break;
case 0x04: /* PCI command register */
case 0x0C:
logerror("i82439tx_pci_write(): Unemulated PCI write 0x%02X = 0x%04X\n", offset, data);
break;
case 0x50:
case 0x54:
case 0x58:
case 0x5C:
case 0x60:
case 0x64:
case 0x68:
@ -213,41 +252,6 @@ void i82439tx_device::pci_write(pci_bus_device *pcibus, int function, int offset
case 0xF4:
case 0xF8:
case 0xFC:
switch(offset)
{
case 0x58:
if ((mem_mask & 0x0000f000))
i82439tx_configure_memory(data >> 12, 0xf0000, 0xfffff);
if ((mem_mask & 0x000f0000))
i82439tx_configure_memory(data >> 16, 0xc0000, 0xc3fff);
if ((mem_mask & 0x00f00000))
i82439tx_configure_memory(data >> 20, 0xc4000, 0xc7fff);
if ((mem_mask & 0x0f000000))
i82439tx_configure_memory(data >> 24, 0xc8000, 0xccfff);
if ((mem_mask & 0xf0000000))
i82439tx_configure_memory(data >> 28, 0xcc000, 0xcffff);
break;
case 0x5C:
if ((mem_mask & 0x0000000f))
i82439tx_configure_memory(data >> 0, 0xd0000, 0xd3fff);
if ((mem_mask & 0x000000f0))
i82439tx_configure_memory(data >> 4, 0xd4000, 0xd7fff);
if ((mem_mask & 0x00000f00))
i82439tx_configure_memory(data >> 8, 0xd8000, 0xdbfff);
if ((mem_mask & 0x0000f000))
i82439tx_configure_memory(data >> 12, 0xdc000, 0xdffff);
if ((mem_mask & 0x000f0000))
i82439tx_configure_memory(data >> 16, 0xe0000, 0xe3fff);
if ((mem_mask & 0x00f00000))
i82439tx_configure_memory(data >> 20, 0xe4000, 0xe7fff);
if ((mem_mask & 0x0f000000))
i82439tx_configure_memory(data >> 24, 0xe8000, 0xecfff);
if ((mem_mask & 0xf0000000))
i82439tx_configure_memory(data >> 28, 0xec000, 0xeffff);
break;
}
assert(((offset - 0x50) / 4) >= 0 && ((offset - 0x50) / 4) < ARRAY_LENGTH(m_regs));
COMBINE_DATA(&m_regs[(offset - 0x50) / 4]);
break;