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Fix PCI write funcs val calculation.

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This commit is contained in:
TomAwezome 2022-12-30 16:26:12 -05:00
parent 74b770870f
commit 0f1a63f0a2
1 changed files with 4 additions and 3 deletions
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7
src/Kernel/PCI.ZC
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@ -69,14 +69,14 @@ U0 PCIWriteU32(I64 bus, I64 dev, I64 fun, I64 rg, I64 val)
} }
} }
U0 PCIWriteU8(I64 bus, I64 dev, I64 fun, I64 rg, I64 val) U0 PCIWriteU8(I64 bus, I64 dev, I64 fun, I64 rg, I64 val)
{//Write U8 in PCI configspace at bus, dev, fun, reg. {//Write U8 in PCI configspace at bus, dev, fun, reg.
if (sys_pci_services) if (sys_pci_services)
PCIBIOSWriteU8(bus, dev, fun, rg, val); PCIBIOSWriteU8(bus, dev, fun, rg, val);
else else
{ {
PCIWriteU32(bus, dev, fun, rg, val & 0xFF); val = PCIReadU32(bus, dev, fun, rg) & ~0xFF | val & 0xFF;
PCIWriteU32(bus, dev, fun, rg, val);
} }
} }
@ -86,7 +86,8 @@ U0 PCIWriteU16(I64 bus, I64 dev, I64 fun, I64 rg, I64 val)
PCIBIOSWriteU16(bus, dev, fun, rg, val); PCIBIOSWriteU16(bus, dev, fun, rg, val);
else else
{ {
PCIWriteU32(bus, dev, fun, rg, val & 0xFFFF); val = PCIReadU32(bus, dev, fun, rg) & ~0xFFFF | val & 0xFFFF;
PCIWriteU32(bus, dev, fun, rg, val);
} }
} }