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Feeble attempt at getting NT4 vga.sys working by implementing HalFrameBufferCachingInformation case for HaliQuerySystemInformation.

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svn path=/trunk/; revision=29656
This commit is contained in:
Mike Nordell 2007-10-18 08:00:59 +00:00
parent f0b2c954e0
commit 790709a740
1 changed files with 47 additions and 6 deletions
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41
reactos/hal/halx86/generic/sysinfo.c
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@ -28,6 +28,47 @@ HaliQuerySystemInformation(IN HAL_QUERY_INFORMATION_CLASS InformationClass,
IN OUT PVOID Buffer,
OUT PULONG ReturnedLength)
{
#define REPORT_THIS_CASE(X) case X: DPRINT1("Unhandled case: %s\n", #X); break
switch (InformationClass)
{
REPORT_THIS_CASE(HalInstalledBusInformation);
REPORT_THIS_CASE(HalProfileSourceInformation);
REPORT_THIS_CASE(HalInformationClassUnused1);
REPORT_THIS_CASE(HalPowerInformation);
REPORT_THIS_CASE(HalProcessorSpeedInformation);
REPORT_THIS_CASE(HalCallbackInformation);
REPORT_THIS_CASE(HalMapRegisterInformation);
REPORT_THIS_CASE(HalMcaLogInformation);
case HalFrameBufferCachingInformation:
if (BufferSize >= 1)
{
// The only caller that has been seen calling this function told
// us it expected a single byte back. We therefore guess it expects
// a BOOLEAN, and we dream up the value TRUE to (we think) tell it
// "Sure, the framebuffer is cached".
DPRINT("%s: caller expects %u bytes (should be 1)\n", "HalFrameBufferCachingInformation", BufferSize);
BOOLEAN ToReturn = TRUE;
ASSERT(sizeof(BOOLEAN) == 1);
*ReturnedLength = sizeof(BOOLEAN);
RtlCopyMemory(Buffer, &ToReturn, sizeof(BOOLEAN));
return STATUS_SUCCESS;
}
break;
REPORT_THIS_CASE(HalDisplayBiosInformation);
REPORT_THIS_CASE(HalProcessorFeatureInformation);
REPORT_THIS_CASE(HalNumaTopologyInterface);
REPORT_THIS_CASE(HalErrorInformation);
REPORT_THIS_CASE(HalCmcLogInformation);
REPORT_THIS_CASE(HalCpeLogInformation);
REPORT_THIS_CASE(HalQueryMcaInterface);
REPORT_THIS_CASE(HalQueryAMLIIllegalIOPortAddresses);
REPORT_THIS_CASE(HalQueryMaxHotPlugMemoryAddress);
REPORT_THIS_CASE(HalPartitionIpiInterface);
REPORT_THIS_CASE(HalPlatformInformation);
REPORT_THIS_CASE(HalQueryProfileSourceList);
}
#undef REPORT_THIS_CASE
UNIMPLEMENTED;
return STATUS_NOT_IMPLEMENTED;
}