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[VBEMP] Correctly report legacy resources (VGA I/O ports and memory)

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CORE-17789
This commit is contained in:
Hervé Poussineau 2021-10-07 21:39:06 +02:00
parent 3379de3924
commit 6dd94572e5
1 changed files with 14 additions and 2 deletions
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16
win32ss/drivers/miniport/vbe/vbemp.c
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@ -36,6 +36,13 @@
#define LOWORD(l) ((USHORT)((ULONG_PTR)(l)))
#define HIWORD(l) ((USHORT)(((ULONG_PTR)(l)>>16)&0xFFFF))
VIDEO_ACCESS_RANGE VBEAccessRange[] =
{
{ {{0x3b0}}, 0x3bb - 0x3b0 + 1, 1, 1, 0 },
{ {{0x3c0}}, 0x3df - 0x3c0 + 1, 1, 1, 0 },
{ {{0xa0000}}, 0x20000, 0, 1, 0 },
};
/* PUBLIC AND PRIVATE FUNCTIONS ***********************************************/
ULONG NTAPI
@ -53,6 +60,8 @@ DriverEntry(IN PVOID Context1, IN PVOID Context2)
InitData.HwSetPowerState = VBESetPowerState;
InitData.HwGetVideoChildDescriptor = VBEGetVideoChildDescriptor;
InitData.HwDeviceExtensionSize = sizeof(VBE_DEVICE_EXTENSION);
InitData.HwLegacyResourceList = VBEAccessRange;
InitData.HwLegacyResourceCount = ARRAYSIZE(VBEAccessRange);
return VideoPortInitialize(Context1, Context2, &InitData, NULL);
}
@ -76,8 +85,11 @@ VBEFindAdapter(
if (VideoPortIsNoVesa())
return ERROR_DEV_NOT_EXIST;
ConfigInfo->VdmPhysicalVideoMemoryAddress.QuadPart = 0xa000;
ConfigInfo->VdmPhysicalVideoMemoryLength = 0x2000;
if (ConfigInfo->Length < sizeof(VIDEO_PORT_CONFIG_INFO))
return ERROR_INVALID_PARAMETER;
ConfigInfo->VdmPhysicalVideoMemoryAddress = VBEAccessRange[2].RangeStart;
ConfigInfo->VdmPhysicalVideoMemoryLength = VBEAccessRange[2].RangeLength;
return NO_ERROR;
}