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- Silence an error about unsupported PnP BIOS function.
- Do not share edge-triggered interrupts (not implemented). Bug #6508.

svn path=/trunk/; revision=53891
This commit is contained in:
Dmitry Gorbachev 2011-09-29 13:20:24 +00:00
parent 46e910dd88
commit 214364804d
1 changed files with 12 additions and 6 deletions
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18
reactos/boot/freeldr/freeldr/arch/i386/hardware.c
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@ -221,12 +221,19 @@ DetectPnpBios(PCONFIGURATION_COMPONENT_DATA SystemKey, ULONG *BusNumber)
TRACE("PnP-BIOS not supported\n");
return;
}
TRACE("Signature '%c%c%c%c'\n",
InstData->Signature[0], InstData->Signature[1],
InstData->Signature[2], InstData->Signature[3]);
TRACE("PnP-BIOS supported\n");
TRACE("Signature '%c%c%c%c'\n",
InstData->Signature[0], InstData->Signature[1],
InstData->Signature[2], InstData->Signature[3]);
x = PnpBiosGetDeviceNodeCount(&NodeSize, &NodeCount);
if (x == 0x82)
{
TRACE("PnP-BIOS function 'Get Number of System Device Nodes' not supported\n");
return;
}
NodeCount &= 0xFF; // needed since some fscked up BIOSes return
// wrong info (e.g. Mac Virtual PC)
// e.g. look: http://my.execpc.com/~geezer/osd/pnp/pnp16.c
@ -235,7 +242,6 @@ DetectPnpBios(PCONFIGURATION_COMPONENT_DATA SystemKey, ULONG *BusNumber)
ERR("PnP-BIOS failed to enumerate device nodes\n");
return;
}
TRACE("PnP-BIOS supported\n");
TRACE("MaxNodeSize %u NodeCount %u\n", NodeSize, NodeCount);
TRACE("Estimated buffer size %u\n", NodeSize * NodeCount);
@ -1354,7 +1360,7 @@ DetectSerialPorts(PCONFIGURATION_COMPONENT_DATA BusKey)
ControllerNumber = 0;
BasePtr = (PUSHORT)0x400;
for (i = 0; i < 4; i++, BasePtr++)
for (i = 0; i < 2; i++, BasePtr++)
{
Base = (ULONG)*BasePtr;
if (Base == 0)
@ -1394,7 +1400,7 @@ DetectSerialPorts(PCONFIGURATION_COMPONENT_DATA BusKey)
/* Set Interrupt */
PartialDescriptor = &PartialResourceList->PartialDescriptors[1];
PartialDescriptor->Type = CmResourceTypeInterrupt;
PartialDescriptor->ShareDisposition = CmResourceShareShared;
PartialDescriptor->ShareDisposition = CmResourceShareUndetermined;
PartialDescriptor->Flags = CM_RESOURCE_INTERRUPT_LATCHED;
PartialDescriptor->u.Interrupt.Level = Irq[i];
PartialDescriptor->u.Interrupt.Vector = Irq[i];