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[HAL]: Detect, check for, and warn about, chipset hacks that need to be applied for the machine.

Browse Source 
svn path=/trunk/; revision=47662
This commit is contained in:
Sir Richard
2010-06-07 15:34:35 +00:00
parent 2031c565df
commit 9ef2a02386
2 changed files with 82 additions and 10 deletions
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reactos/hal/halx86/generic/legacy/bussupp.c
+75 -10
View File
@@ -340,10 +340,59 @@ HalpGetChipHacks(IN USHORT VendorId,
IN UCHAR RevisionId,
IN PULONG HackFlags)
{
/* Not yet implemented */
if (!WarningsGiven[0]++) DbgPrint("HAL: Not checking for PCI Chipset Hacks. Your hardware may malfunction!\n");
*HackFlags = 0;
return STATUS_UNSUCCESSFUL;
UNICODE_STRING KeyName, ValueName;
NTSTATUS Status;
OBJECT_ATTRIBUTES ObjectAttributes;
HANDLE KeyHandle;
WCHAR Buffer[32];
KEY_VALUE_PARTIAL_INFORMATION PartialInfo;
ULONG ResultLength;
/* Setup the object attributes for the key */
RtlInitUnicodeString(&KeyName,
L"\\REGISTRY\\MACHINE\\SYSTEM\\CURRENTCONTROLSET\\"
L"Control\\HAL");
InitializeObjectAttributes(&ObjectAttributes,
&KeyName,
OBJ_CASE_INSENSITIVE,
NULL,
NULL);
/* Open the key */
Status = ZwOpenKey(&KeyHandle, KEY_READ, &ObjectAttributes);
if (!NT_SUCCESS(Status)) return Status;
/* Query value */
swprintf(Buffer, L"%04X%04X", VendorId, DeviceId);
RtlInitUnicodeString(&ValueName, Buffer);
Status = ZwQueryValueKey(KeyHandle,
&ValueName,
KeyValuePartialInformation,
&PartialInfo,
sizeof(PartialInfo),
&ResultLength);
if (NT_SUCCESS(Status))
{
/* Return the flags */
DPRINT1("Found HackFlags for your %lx:%lx device\n", VendorId, DeviceId);
*HackFlags = *(PULONG)PartialInfo.Data;
DPRINT1("Hack Flags: %lx (Hack Revision: %lx\tYour Revision: %lx)\n",
*HackFlags, HALP_REVISION_FROM_HACK_FLAGS(*HackFlags), RevisionId);
/* Does it apply to this revision? */
if ((RevisionId) && (RevisionId >= (HALP_REVISION_FROM_HACK_FLAGS(*HackFlags))))
{
/* Read the revision flags */
*HackFlags = HALP_REVISION_HACK_FLAGS(*HackFlags);
}
/* Throw out revision data */
*HackFlags = HALP_HACK_FLAGS(*HackFlags);
}
/* Close the handle and return */
ZwClose(KeyHandle);
return Status;
}
BOOLEAN
@@ -511,6 +560,7 @@ HalpInitializePciBus(VOID)
PBUS_HANDLER BusHandler;
ULONG HackFlags;
BOOLEAN ExtendedAddressDecoding = FALSE;
NTSTATUS Status;
/* Query registry information */
PciRegistryInfo = HalpQueryPciRegistryInfo();
@@ -704,22 +754,37 @@ HalpInitializePciBus(VOID)
}
/* Now check the registry for chipset hacks */
if (NT_SUCCESS(HalpGetChipHacks(PciData->VendorID,
PciData->DeviceID,
PciData->RevisionID,
&HackFlags)))
Status = HalpGetChipHacks(PciData->VendorID,
PciData->DeviceID,
PciData->RevisionID,
&HackFlags);
if (NT_SUCCESS(Status))
{
/* Check for broken ACPI routing */
if (HackFlags & HAL_PCI_CHIP_HACK_DISABLE_ACPI_IRQ_ROUTING)
{
DPRINT1("Your hardware has broken ACPI IRQ Routing! This is not supported!\n");
continue;
}
/* Check for broken ACPI timer */
if (HackFlags & HAL_PCI_CHIP_HACK_BROKEN_ACPI_TIMER)
{
DPRINT1("Your hardware has a broken ACPI timer! This is not supported!\n");
continue;
}
/* Check for hibernate-disable */
if (HackFlags & HAL_PCI_CHIP_HACK_DISABLE_HIBERNATE)
{
DbgPrint("HAL: Your machine has a broken PCI device which is incompatible with hibernation. This is not supported!\n");
DPRINT1("Your machine has a broken PCI device which is incompatible with hibernation. This is not supported!\n");
continue;
}
/* Check for USB controllers that generate SMIs */
if (HackFlags & HAL_PCI_CHIP_HACK_USB_SMI_DISABLE)
{
DbgPrint("HAL: Your machine has a USB controller which generates SMIs. This is not supported!\n");
DPRINT1("Your machine has a USB controller which generates SMIs. This is not supported!\n");
continue;
}
}
reactos/hal/halx86/include/halp.h
+7
View File
@@ -485,6 +485,13 @@ HalpHardwareInterruptLevel(
VOID
);
//
// Hack Flags
//
#define HALP_REVISION_FROM_HACK_FLAGS(x) ((x) >> 24)
#define HALP_REVISION_HACK_FLAGS(x) ((x) >> 12)
#define HALP_HACK_FLAGS(x) ((x) & 0xFFF)
//
// Feature flags
//