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reactos/hal/halx86/legacy/bussupp.c
Hermès Bélusca-Maïto 113656563a
[HALX86] Minor fixes in HaliFindBusAddressTranslation() 
- Remove ContextValue variable. This variable erroneously truncated
  *Context value (that can contain a pointer value) to 32 bits.

- Gracefully fail instead of asserting.
2023-06-14 11:27:24 +02:00

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/*
* PROJECT: ReactOS HAL
* LICENSE: BSD - See COPYING.ARM in the top level directory
* FILE: hal/halx86/legacy/bussupp.c
* PURPOSE: HAL Legacy Bus Support Code
* PROGRAMMERS: ReactOS Portable Systems Group
*/
/* INCLUDES *******************************************************************/
#include <hal.h>
#define NDEBUG
#include <debug.h>
CODE_SEG("INIT")
PBUS_HANDLER
NTAPI
HalpAllocateAndInitPciBusHandler(
IN ULONG PciType,
IN ULONG BusNo,
IN BOOLEAN TestAllocation
);
CODE_SEG("INIT")
VOID
NTAPI
HalpFixupPciSupportedRanges(
IN ULONG BusCount
);
CODE_SEG("INIT")
NTSTATUS
NTAPI
HalpGetChipHacks(
IN USHORT VendorId,
IN USHORT DeviceId,
IN UCHAR RevisionId,
IN PULONG HackFlags
);
CODE_SEG("INIT")
BOOLEAN
NTAPI
HalpGetPciBridgeConfig(
IN ULONG PciType,
IN PUCHAR BusCount
);
CODE_SEG("INIT")
BOOLEAN
NTAPI
HalpIsBridgeDevice(
IN PPCI_COMMON_CONFIG PciData
);
CODE_SEG("INIT")
BOOLEAN
NTAPI
HalpIsIdeDevice(
IN PPCI_COMMON_CONFIG PciData
);
CODE_SEG("INIT")
BOOLEAN
NTAPI
HalpIsRecognizedCard(
IN PPCI_REGISTRY_INFO_INTERNAL PciRegistryInfo,
IN PPCI_COMMON_CONFIG PciData,
IN ULONG Flags
);
CODE_SEG("INIT")
BOOLEAN
NTAPI
HalpIsValidPCIDevice(
IN PBUS_HANDLER BusHandler,
IN PCI_SLOT_NUMBER Slot
);
CODE_SEG("INIT")
NTSTATUS
NTAPI
HalpMarkChipsetDecode(
IN BOOLEAN OverrideEnable
);
CODE_SEG("INIT")
VOID
NTAPI
HalpRegisterInternalBusHandlers(
VOID
);
CODE_SEG("INIT")
VOID
NTAPI
ShowSize(
IN ULONG Size
);
/* GLOBALS ********************************************************************/
extern KSPIN_LOCK HalpPCIConfigLock;
ULONG HalpPciIrqMask;
/* PRIVATE FUNCTIONS **********************************************************/
PBUS_HANDLER
NTAPI
HalpAllocateBusHandler(IN INTERFACE_TYPE InterfaceType,
IN BUS_DATA_TYPE BusDataType,
IN ULONG BusNumber,
IN INTERFACE_TYPE ParentBusInterfaceType,
IN ULONG ParentBusNumber,
IN ULONG BusSpecificData)
{
PBUS_HANDLER Bus;
/* Register the bus handler */
HalRegisterBusHandler(InterfaceType,
BusDataType,
BusNumber,
ParentBusInterfaceType,
ParentBusNumber,
BusSpecificData,
NULL,
&Bus);
if (!Bus)
{
return NULL;
}
/* Check for a valid interface */
if (InterfaceType != InterfaceTypeUndefined)
{
/* Allocate address ranges and zero them out */
Bus->BusAddresses = ExAllocatePoolWithTag(NonPagedPoolMustSucceed,
sizeof(SUPPORTED_RANGES),
TAG_HAL);
RtlZeroMemory(Bus->BusAddresses, sizeof(SUPPORTED_RANGES));
/* Build the data structure */
Bus->BusAddresses->Version = HAL_SUPPORTED_RANGE_VERSION;
Bus->BusAddresses->Dma.Limit = 7;
Bus->BusAddresses->Memory.Limit = 0xFFFFFFFF;
Bus->BusAddresses->IO.Limit = 0xFFFF;
Bus->BusAddresses->IO.SystemAddressSpace = 1;
Bus->BusAddresses->PrefetchMemory.Base = 1;
}
/* Return the bus address */
return Bus;
}
#ifndef _MINIHAL_
CODE_SEG("INIT")
VOID
NTAPI
HalpRegisterInternalBusHandlers(VOID)
{
PBUS_HANDLER Bus;
/* Only do processor 1 */
if (KeGetCurrentPrcb()->Number) return;
/* Register root support */
HalpInitBusHandler();
/* Allocate the system bus */
Bus = HalpAllocateBusHandler(Internal,
ConfigurationSpaceUndefined,
0,
InterfaceTypeUndefined,
0,
0);
if (Bus)
{
/* Set it up */
Bus->GetInterruptVector = HalpGetSystemInterruptVector;
Bus->TranslateBusAddress = HalpTranslateSystemBusAddress;
}
/* Allocate the CMOS bus */
Bus = HalpAllocateBusHandler(InterfaceTypeUndefined,
Cmos,
0,
InterfaceTypeUndefined,
0,
0);
if (Bus)
{
/* Set it up */
Bus->GetBusData = HalpcGetCmosData;
Bus->SetBusData = HalpcSetCmosData;
}
/* Allocate the CMOS bus */
Bus = HalpAllocateBusHandler(InterfaceTypeUndefined,
Cmos,
1,
InterfaceTypeUndefined,
0,
0);
if (Bus)
{
/* Set it up */
Bus->GetBusData = HalpcGetCmosData;
Bus->SetBusData = HalpcSetCmosData;
}
/* Allocate ISA bus */
Bus = HalpAllocateBusHandler(Isa,
ConfigurationSpaceUndefined,
0,
Internal,
0,
0);
if (Bus)
{
/* Set it up */
Bus->GetBusData = HalpNoBusData;
Bus->BusAddresses->Memory.Limit = 0xFFFFFF;
Bus->TranslateBusAddress = HalpTranslateIsaBusAddress;
}
/* No support for EISA or MCA */
ASSERT(HalpBusType == MACHINE_TYPE_ISA);
}
#endif // _MINIHAL_
#ifndef _MINIHAL_
CODE_SEG("INIT")
NTSTATUS
NTAPI
HalpMarkChipsetDecode(BOOLEAN OverrideEnable)
{
NTSTATUS Status;
UNICODE_STRING KeyString;
ULONG Data = OverrideEnable;
HANDLE KeyHandle, Handle;
/* Open CCS key */
RtlInitUnicodeString(&KeyString,
L"\\REGISTRY\\MACHINE\\SYSTEM\\CURRENTCONTROLSET");
Status = HalpOpenRegistryKey(&Handle, 0, &KeyString, KEY_ALL_ACCESS, FALSE);
if (NT_SUCCESS(Status))
{
/* Open PNP Bios key */
RtlInitUnicodeString(&KeyString, L"Control\\Biosinfo\\PNPBios");
Status = HalpOpenRegistryKey(&KeyHandle,
Handle,
&KeyString,
KEY_ALL_ACCESS,
TRUE);
/* Close root key */
ZwClose(Handle);
/* Check if PNP BIOS key exists */
if (NT_SUCCESS(Status))
{
/* Set the override value */
RtlInitUnicodeString(&KeyString, L"FullDecodeChipsetOverride");
Status = ZwSetValueKey(KeyHandle,
&KeyString,
0,
REG_DWORD,
&Data,
sizeof(Data));
/* Close subkey */
ZwClose(KeyHandle);
}
}
/* Return status */
return Status;
}
CODE_SEG("INIT")
PBUS_HANDLER
NTAPI
HalpAllocateAndInitPciBusHandler(IN ULONG PciType,
IN ULONG BusNo,
IN BOOLEAN TestAllocation)
{
PBUS_HANDLER Bus;
PPCIPBUSDATA BusData;
/* Allocate the bus handler */
Bus = HalpAllocateBusHandler(PCIBus,
PCIConfiguration,
BusNo,
Internal,
0,
sizeof(PCIPBUSDATA));
/* Set it up */
Bus->GetBusData = HalpGetPCIData;
Bus->SetBusData = HalpSetPCIData;
Bus->GetInterruptVector = HalpGetPCIIntOnISABus;
Bus->AdjustResourceList = HalpAdjustPCIResourceList;
Bus->AssignSlotResources = HalpAssignPCISlotResources;
Bus->BusAddresses->Dma.Limit = 0;
/* Get our custom bus data */
BusData = (PPCIPBUSDATA)Bus->BusData;
/* Setup custom bus data */
BusData->CommonData.Tag = PCI_DATA_TAG;
BusData->CommonData.Version = PCI_DATA_VERSION;
BusData->CommonData.ReadConfig = HalpReadPCIConfig;
BusData->CommonData.WriteConfig = HalpWritePCIConfig;
BusData->CommonData.Pin2Line = HalpPCIPin2ISALine;
BusData->CommonData.Line2Pin = HalpPCIISALine2Pin;
BusData->MaxDevice = PCI_MAX_DEVICES;
BusData->GetIrqRange = HalpGetISAFixedPCIIrq;
/* Initialize the bitmap */
RtlInitializeBitMap(&BusData->DeviceConfigured, BusData->ConfiguredBits, 256);
/* Check the type of PCI bus */
switch (PciType)
{
/* Type 1 PCI Bus */
case 1:
/* Copy the Type 1 handler data */
RtlCopyMemory(&PCIConfigHandler,
&PCIConfigHandlerType1,
sizeof(PCIConfigHandler));
/* Set correct I/O Ports */
BusData->Config.Type1.Address = PCI_TYPE1_ADDRESS_PORT;
BusData->Config.Type1.Data = PCI_TYPE1_DATA_PORT;
break;
/* Type 2 PCI Bus */
case 2:
/* Copy the Type 1 handler data */
RtlCopyMemory(&PCIConfigHandler,
&PCIConfigHandlerType2,
sizeof (PCIConfigHandler));
/* Set correct I/O Ports */
BusData->Config.Type2.CSE = PCI_TYPE2_CSE_PORT;
BusData->Config.Type2.Forward = PCI_TYPE2_FORWARD_PORT;
BusData->Config.Type2.Base = PCI_TYPE2_ADDRESS_BASE;
/* Only 16 devices supported, not 32 */
BusData->MaxDevice = 16;
break;
default:
/* Invalid type */
DbgPrint("HAL: Unnkown PCI type\n");
}
/* Return the bus handler */
return Bus;
}
CODE_SEG("INIT")
BOOLEAN
NTAPI
HalpIsValidPCIDevice(IN PBUS_HANDLER BusHandler,
IN PCI_SLOT_NUMBER Slot)
{
UCHAR DataBuffer[PCI_COMMON_HDR_LENGTH];
PPCI_COMMON_CONFIG PciHeader = (PVOID)DataBuffer;
ULONG i;
ULONG_PTR Address;
/* Read the PCI header */
HalpReadPCIConfig(BusHandler, Slot, PciHeader, 0, PCI_COMMON_HDR_LENGTH);
/* Make sure it's a valid device */
if ((PciHeader->VendorID == PCI_INVALID_VENDORID) ||
(PCI_CONFIGURATION_TYPE(PciHeader) != PCI_DEVICE_TYPE))
{
/* Bail out */
return FALSE;
}
/* Make sure interrupt numbers make sense */
if (((PciHeader->u.type0.InterruptPin) &&
(PciHeader->u.type0.InterruptPin > 4)) ||
(PciHeader->u.type0.InterruptLine & 0x70))
{
/* Bail out */
return FALSE;
}
/* Now scan PCI BARs */
for (i = 0; i < PCI_TYPE0_ADDRESSES; i++)
{
/* Check what kind of address it is */
Address = PciHeader->u.type0.BaseAddresses[i];
if (Address & PCI_ADDRESS_IO_SPACE)
{
/* Highest I/O port is 65535 */
if (Address > 0xFFFF) return FALSE;
}
else
{
/* MMIO should be higher than 0x80000 */
if ((Address > 0xF) && (Address < 0x80000)) return FALSE;
}
/* Is this a 64-bit address? */
if (!(Address & PCI_ADDRESS_IO_SPACE) &&
((Address & PCI_ADDRESS_MEMORY_TYPE_MASK) == PCI_TYPE_64BIT))
{
/* Check the next-next entry, since this one 64-bits wide */
i++;
}
}
/* Header, interrupt and address data all make sense */
return TRUE;
}
static BOOLEAN WarningsGiven[5];
CODE_SEG("INIT")
NTSTATUS
NTAPI
HalpGetChipHacks(IN USHORT VendorId,
IN USHORT DeviceId,
IN UCHAR RevisionId,
IN PULONG HackFlags)
{
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 */
DbgPrint("\tFound HackFlags for your chipset\n");
*HackFlags = *(PULONG)PartialInfo.Data;
DbgPrint("\t\tHack Flags: %lx (Hack Revision: %lx-Your 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);
if (!*HackFlags) DbgPrint("\tNo HackFlags for your chipset's revision!\n");
}
/* Close the handle and return */
ZwClose(KeyHandle);
return Status;
}
CODE_SEG("INIT")
BOOLEAN
NTAPI
HalpIsRecognizedCard(IN PPCI_REGISTRY_INFO_INTERNAL PciRegistryInfo,
IN PPCI_COMMON_CONFIG PciData,
IN ULONG Flags)
{
ULONG ElementCount, i;
PPCI_CARD_DESCRIPTOR CardDescriptor;
/* How many PCI Cards that we know about? */
ElementCount = PciRegistryInfo->ElementCount;
if (!ElementCount) return FALSE;
/* Loop all descriptors */
CardDescriptor = &PciRegistryInfo->CardList[0];
for (i = 0; i < ElementCount; i++, CardDescriptor++)
{
/* Check for flag match */
if (CardDescriptor->Flags != Flags) continue;
/* Check for VID-PID match */
if ((CardDescriptor->VendorID != PciData->VendorID) ||
(CardDescriptor->DeviceID != PciData->DeviceID))
{
/* Skip */
continue;
}
/* Check for revision match, if requested */
if ((CardDescriptor->Flags & HALP_CHECK_CARD_REVISION_ID) &&
(CardDescriptor->RevisionID != PciData->RevisionID))
{
/* Skip */
continue;
}
/* Check what kind of device this is */
switch (PCI_CONFIGURATION_TYPE(PciData))
{
/* CardBUS Bridge */
case PCI_CARDBUS_BRIDGE_TYPE:
/* This means the real device header is in the device-specific data */
PciData = (PPCI_COMMON_CONFIG)PciData->DeviceSpecific;
/* Normal PCI device */
case PCI_DEVICE_TYPE:
/* Check for subvendor match, if requested */
if ((CardDescriptor->Flags & HALP_CHECK_CARD_SUBVENDOR_ID) &&
(CardDescriptor->SubsystemVendorID != PciData->u.type0.SubVendorID))
{
/* Skip */
continue;
}
/* Check for subsystem match, if requested */
if ((CardDescriptor->Flags & HALP_CHECK_CARD_SUBSYSTEM_ID) &&
(CardDescriptor->SubsystemID != PciData->u.type0.SubSystemID))
{
/* Skip */
continue;
}
/* You made it! */
return TRUE;
/* PCI Bridge -- don't bother */
case PCI_BRIDGE_TYPE:
default:
/* Recognize it */
return TRUE;
}
}
/* This means the card isn't recognized */
return FALSE;
}
CODE_SEG("INIT")
BOOLEAN
NTAPI
HalpIsIdeDevice(IN PPCI_COMMON_CONFIG PciData)
{
/* Simple test first */
if ((PciData->BaseClass == PCI_CLASS_MASS_STORAGE_CTLR) &&
(PciData->SubClass == PCI_SUBCLASS_MSC_IDE_CTLR))
{
/* The device is nice enough to admit it */
return TRUE;
}
/* Symphony 82C101 */
if (PciData->VendorID == 0x1C1C) return TRUE;
/* ALi MS4803 or M5219 */
if ((PciData->VendorID == 0x10B9) &&
((PciData->DeviceID == 0x5215) || (PciData->DeviceID == 0x5219)))
{
return TRUE;
}
/* Appian Technology */
if ((PciData->VendorID == 0x1097) && (PciData->DeviceID == 0x38)) return TRUE;
/* Compaq Triflex Dual EIDE Controller */
if ((PciData->VendorID == 0xE11) && (PciData->DeviceID == 0xAE33)) return TRUE;
/* Micron PC Tech RZ1000 */
if ((PciData->VendorID == 0x1042) && (PciData->DeviceID == 0x1000)) return TRUE;
/* SiS 85C601 or 5513 [IDE] */
if ((PciData->VendorID == 0x1039) &&
((PciData->DeviceID == 0x601) || (PciData->DeviceID == 0x5513)))
{
return TRUE;
}
/* Symphony Labs W83769F */
if ((PciData->VendorID == 0x10AD) &&
((PciData->DeviceID == 0x1) || (PciData->DeviceID == 0x150)))
{
return TRUE;
}
/* UMC UM8673F */
if ((PciData->VendorID == 0x1060) && (PciData->DeviceID == 0x101)) return TRUE;
/* You've survived */
return FALSE;
}
CODE_SEG("INIT")
BOOLEAN
NTAPI
HalpIsBridgeDevice(IN PPCI_COMMON_CONFIG PciData)
{
/* Either this is a PCI-to-PCI Bridge, or a CardBUS Bridge */
return (((PCI_CONFIGURATION_TYPE(PciData) == PCI_BRIDGE_TYPE) &&
(PciData->BaseClass == PCI_CLASS_BRIDGE_DEV) &&
(PciData->SubClass == PCI_SUBCLASS_BR_PCI_TO_PCI)) ||
((PCI_CONFIGURATION_TYPE(PciData) == PCI_CARDBUS_BRIDGE_TYPE) &&
(PciData->BaseClass == PCI_CLASS_BRIDGE_DEV) &&
(PciData->SubClass == PCI_SUBCLASS_BR_CARDBUS)));
}
CODE_SEG("INIT")
BOOLEAN
NTAPI
HalpGetPciBridgeConfig(IN ULONG PciType,
IN PUCHAR BusCount)
{
PCI_SLOT_NUMBER PciSlot;
ULONG i, j, k;
UCHAR DataBuffer[PCI_COMMON_HDR_LENGTH];
PPCI_COMMON_CONFIG PciData = (PPCI_COMMON_CONFIG)DataBuffer;
PBUS_HANDLER BusHandler;
/* Loop PCI buses */
PciSlot.u.bits.Reserved = 0;
for (i = 0; i < *BusCount; i++)
{
/* Get the bus handler */
BusHandler = HalHandlerForBus(PCIBus, i);
/* Loop every device */
for (j = 0; j < PCI_MAX_DEVICES; j++)
{
/* Loop every function */
PciSlot.u.bits.DeviceNumber = j;
for (k = 0; k < PCI_MAX_FUNCTION; k++)
{
/* Build the final slot structure */
PciSlot.u.bits.FunctionNumber = k;
/* Read the configuration information */
HalpReadPCIConfig(BusHandler,
PciSlot,
PciData,
0,
PCI_COMMON_HDR_LENGTH);
/* Skip if this is an invalid function */
if (PciData->VendorID == PCI_INVALID_VENDORID) continue;
/* Make sure that this is a PCI bridge or a cardbus bridge */
if (!HalpIsBridgeDevice(PciData)) continue;
/* Not supported */
if (!WarningsGiven[2]++) DPRINT1("Your machine has a PCI-to-PCI or CardBUS Bridge. PCI devices may fail!\n");
continue;
}
}
}
/* If we exited the loop, then there's no bridge to worry about */
return FALSE;
}
CODE_SEG("INIT")
VOID
NTAPI
HalpFixupPciSupportedRanges(IN ULONG BusCount)
{
ULONG i;
PBUS_HANDLER Bus, ParentBus;
/* Loop all buses */
for (i = 0; i < BusCount; i++)
{
/* Get PCI bus handler */
Bus = HalHandlerForBus(PCIBus, i);
/* Loop all parent buses */
ParentBus = Bus->ParentHandler;
while (ParentBus)
{
/* Should merge addresses */
if (!WarningsGiven[0]++) DPRINT1("Found parent bus (indicating PCI Bridge). PCI devices may fail!\n");
/* Check the next parent */
ParentBus = ParentBus->ParentHandler;
}
}
/* Loop all buses again */
for (i = 0; i < BusCount; i++)
{
/* Get PCI bus handler */
Bus = HalHandlerForBus(PCIBus, i);
/* Check if this is a PCI 2.2 Bus with Subtractive Decode */
if (!((PPCIPBUSDATA)Bus->BusData)->Subtractive)
{
/* Loop all parent buses */
ParentBus = Bus->ParentHandler;
while (ParentBus)
{
/* But check only PCI parent buses specifically */
if (ParentBus->InterfaceType == PCIBus)
{
/* Should trim addresses */
if (!WarningsGiven[1]++) DPRINT1("Found parent PCI Bus (indicating PCI-to-PCI Bridge). PCI devices may fail!\n");
}
/* Check the next parent */
ParentBus = ParentBus->ParentHandler;
}
}
}
/* Loop buses one last time */
for (i = 0; i < BusCount; i++)
{
/* Get the PCI bus handler */
Bus = HalHandlerForBus(PCIBus, i);
/* Sort and combine (trim) bus address range information */
DPRINT("Warning: Bus addresses not being optimized!\n");
}
}
CODE_SEG("INIT")
VOID
NTAPI
ShowSize(ULONG x)
{
if (!x) return;
DbgPrint(" [size=");
if (x < 1024)
{
DbgPrint("%d", (int) x);
}
else if (x < 1048576)
{
DbgPrint("%dK", (int)(x / 1024));
}
else if (x < 0x80000000)
{
DbgPrint("%dM", (int)(x / 1048576));
}
else
{
DbgPrint("%d", x);
}
DbgPrint("]");
}
/*
* These includes are required to define
* the ClassTable and VendorTable arrays.
*/
#include "pci_classes.h"
#include "pci_vendors.h"
CODE_SEG("INIT")
VOID
NTAPI
HalpDebugPciDumpBus(IN PBUS_HANDLER BusHandler,
IN PCI_SLOT_NUMBER PciSlot,
IN ULONG i,
IN ULONG j,
IN ULONG k,
IN PPCI_COMMON_CONFIG PciData)
{
PCHAR p, ClassName, Boundary, SubClassName, VendorName, ProductName, SubVendorName;
UCHAR HeaderType;
ULONG Length;
CHAR LookupString[16] = "";
CHAR bSubClassName[64] = "Unknown";
CHAR bVendorName[64] = "";
CHAR bProductName[128] = "Unknown device";
CHAR bSubVendorName[128] = "Unknown";
ULONG Size, Mem, b;
HeaderType = (PciData->HeaderType & ~PCI_MULTIFUNCTION);
/* Isolate the class name */
sprintf(LookupString, "C %02x ", PciData->BaseClass);
ClassName = strstr((PCHAR)ClassTable, LookupString);
if (ClassName)
{
/* Isolate the subclass name */
ClassName += strlen("C 00 ");
Boundary = strstr(ClassName, "\nC ");
sprintf(LookupString, "\n\t%02x ", PciData->SubClass);
SubClassName = strstr(ClassName, LookupString);
if (Boundary && SubClassName > Boundary)
{
SubClassName = NULL;
}
if (!SubClassName)
{
SubClassName = ClassName;
}
else
{
SubClassName += strlen("\n\t00 ");
}
/* Copy the subclass into our buffer */
p = strpbrk(SubClassName, "\r\n");
Length = p - SubClassName;
if (Length >= sizeof(bSubClassName)) Length = sizeof(bSubClassName) - 1;
strncpy(bSubClassName, SubClassName, Length);
bSubClassName[Length] = '\0';
}
/* Isolate the vendor name */
sprintf(LookupString, "\r\n%04x ", PciData->VendorID);
VendorName = strstr((PCHAR)VendorTable, LookupString);
if (VendorName)
{
/* Copy the vendor name into our buffer */
VendorName += strlen("\r\n0000 ");
p = strpbrk(VendorName, "\r\n");
Length = p - VendorName;
if (Length >= sizeof(bVendorName)) Length = sizeof(bVendorName) - 1;
strncpy(bVendorName, VendorName, Length);
bVendorName[Length] = '\0';
p += strlen("\r\n");
while (*p == '\t' || *p == '#')
{
p = strpbrk(p, "\r\n");
p += strlen("\r\n");
}
Boundary = p;
/* Isolate the product name */
sprintf(LookupString, "\t%04x ", PciData->DeviceID);
ProductName = strstr(VendorName, LookupString);
if (Boundary && ProductName >= Boundary)
{
ProductName = NULL;
}
if (ProductName)
{
/* Copy the product name into our buffer */
ProductName += strlen("\t0000 ");
p = strpbrk(ProductName, "\r\n");
Length = p - ProductName;
if (Length >= sizeof(bProductName)) Length = sizeof(bProductName) - 1;
strncpy(bProductName, ProductName, Length);
bProductName[Length] = '\0';
p += strlen("\r\n");
while ((*p == '\t' && *(p + 1) == '\t') || *p == '#')
{
p = strpbrk(p, "\r\n");
p += strlen("\r\n");
}
Boundary = p;
SubVendorName = NULL;
if (HeaderType == PCI_DEVICE_TYPE)
{
/* Isolate the subvendor and subsystem name */
sprintf(LookupString,
"\t\t%04x %04x ",
PciData->u.type0.SubVendorID,
PciData->u.type0.SubSystemID);
SubVendorName = strstr(ProductName, LookupString);
if (Boundary && SubVendorName >= Boundary)
{
SubVendorName = NULL;
}
}
if (SubVendorName)
{
/* Copy the subvendor name into our buffer */
SubVendorName += strlen("\t\t0000 0000 ");
p = strpbrk(SubVendorName, "\r\n");
Length = p - SubVendorName;
if (Length >= sizeof(bSubVendorName)) Length = sizeof(bSubVendorName) - 1;
strncpy(bSubVendorName, SubVendorName, Length);
bSubVendorName[Length] = '\0';
}
}
}
/* Print out the data */
DbgPrint("%02x:%02x.%x %s [%02x%02x]: %s %s [%04x:%04x] (rev %02x)\n",
i,
j,
k,
bSubClassName,
PciData->BaseClass,
PciData->SubClass,
bVendorName,
bProductName,
PciData->VendorID,
PciData->DeviceID,
PciData->RevisionID);
if (HeaderType == PCI_DEVICE_TYPE)
{
DbgPrint("\tSubsystem: %s [%04x:%04x]\n",
bSubVendorName,
PciData->u.type0.SubVendorID,
PciData->u.type0.SubSystemID);
}
/* Print out and decode flags */
DbgPrint("\tFlags:");
if (PciData->Command & PCI_ENABLE_BUS_MASTER) DbgPrint(" bus master,");
if (PciData->Status & PCI_STATUS_66MHZ_CAPABLE) DbgPrint(" 66MHz,");
if ((PciData->Status & PCI_STATUS_DEVSEL) == 0x000) DbgPrint(" fast devsel,");
if ((PciData->Status & PCI_STATUS_DEVSEL) == 0x200) DbgPrint(" medium devsel,");
if ((PciData->Status & PCI_STATUS_DEVSEL) == 0x400) DbgPrint(" slow devsel,");
if ((PciData->Status & PCI_STATUS_DEVSEL) == 0x600) DbgPrint(" unknown devsel,");
DbgPrint(" latency %d", PciData->LatencyTimer);
if (PciData->u.type0.InterruptPin != 0 &&
PciData->u.type0.InterruptLine != 0 &&
PciData->u.type0.InterruptLine != 0xFF) DbgPrint(", IRQ %02d", PciData->u.type0.InterruptLine);
else if (PciData->u.type0.InterruptPin != 0) DbgPrint(", IRQ assignment required");
DbgPrint("\n");
if (HeaderType == PCI_BRIDGE_TYPE)
{
DbgPrint("\tBridge:");
DbgPrint(" primary bus %d,", PciData->u.type1.PrimaryBus);
DbgPrint(" secondary bus %d,", PciData->u.type1.SecondaryBus);
DbgPrint(" subordinate bus %d,", PciData->u.type1.SubordinateBus);
DbgPrint(" secondary latency %d", PciData->u.type1.SecondaryLatency);
DbgPrint("\n");
}
/* Scan addresses */
Size = 0;
for (b = 0; b < (HeaderType == PCI_DEVICE_TYPE ? PCI_TYPE0_ADDRESSES : PCI_TYPE1_ADDRESSES); b++)
{
/* Check for a BAR */
if (HeaderType != PCI_CARDBUS_BRIDGE_TYPE)
Mem = PciData->u.type0.BaseAddresses[b];
else
Mem = 0;
if (Mem)
{
ULONG PciBar = 0xFFFFFFFF;
HalpWritePCIConfig(BusHandler,
PciSlot,
&PciBar,
FIELD_OFFSET(PCI_COMMON_HEADER, u.type0.BaseAddresses[b]),
sizeof(ULONG));
HalpReadPCIConfig(BusHandler,
PciSlot,
&PciBar,
FIELD_OFFSET(PCI_COMMON_HEADER, u.type0.BaseAddresses[b]),
sizeof(ULONG));
HalpWritePCIConfig(BusHandler,
PciSlot,
&Mem,
FIELD_OFFSET(PCI_COMMON_HEADER, u.type0.BaseAddresses[b]),
sizeof(ULONG));
/* Decode the address type */
if (PciBar & PCI_ADDRESS_IO_SPACE)
{
/* Guess the size */
Size = 1 << 2;
while (!(PciBar & Size) && (Size)) Size <<= 1;
/* Print it out */
DbgPrint("\tI/O ports at %04lx", Mem & PCI_ADDRESS_IO_ADDRESS_MASK);
ShowSize(Size);
}
else
{
/* Guess the size */
Size = 1 << 4;
while (!(PciBar & Size) && (Size)) Size <<= 1;
/* Print it out */
DbgPrint("\tMemory at %08lx (%d-bit, %sprefetchable)",
Mem & PCI_ADDRESS_MEMORY_ADDRESS_MASK,
(Mem & PCI_ADDRESS_MEMORY_TYPE_MASK) == PCI_TYPE_32BIT ? 32 : 64,
(Mem & PCI_ADDRESS_MEMORY_PREFETCHABLE) ? "" : "non-");
ShowSize(Size);
}
DbgPrint("\n");
}
}
}
#endif
CODE_SEG("INIT")
VOID
NTAPI
HalpInitializePciBus(VOID)
{
#ifndef _MINIHAL_
PPCI_REGISTRY_INFO_INTERNAL PciRegistryInfo;
UCHAR PciType;
PCI_SLOT_NUMBER PciSlot;
ULONG i, j, k;
UCHAR DataBuffer[PCI_COMMON_HDR_LENGTH];
PPCI_COMMON_CONFIG PciData = (PPCI_COMMON_CONFIG)DataBuffer;
PBUS_HANDLER BusHandler;
ULONG HackFlags;
BOOLEAN ExtendedAddressDecoding = FALSE;
NTSTATUS Status;
/* Query registry information */
PciRegistryInfo = HalpQueryPciRegistryInfo();
if (!PciRegistryInfo) return;
/* Initialize the PCI configuration lock */
KeInitializeSpinLock(&HalpPCIConfigLock);
/* Get the type and free the info structure */
PciType = PciRegistryInfo->HardwareMechanism & 0xF;
/* Check if this is a type 2 PCI bus with at least one bus */
if ((PciRegistryInfo->NoBuses) && (PciType == 2))
{
/* Setup the PCI slot */
PciSlot.u.bits.Reserved = 0;
PciSlot.u.bits.FunctionNumber = 0;
/* Loop all slots */
for (i = 0; i < 32; i++)
{
/* Try to setup a Type 2 PCI slot */
PciType = 2;
BusHandler = HalpAllocateAndInitPciBusHandler(2, 0, TRUE);
if (!BusHandler) break;
/* Now check if it's valid */
if (HalpIsValidPCIDevice(BusHandler, PciSlot)) break;
/* Heh, the BIOS lied... try Type 1 */
PciType = 1;
BusHandler = HalpAllocateAndInitPciBusHandler(1, 0, TRUE);
if (!BusHandler) break;
/* Now check if it's valid */
if (HalpIsValidPCIDevice(BusHandler, PciSlot)) break;
/* Keep trying */
PciType = 2;
}
/* Now allocate the correct kind of handler */
HalpAllocateAndInitPciBusHandler(PciType, 0, FALSE);
}
/* Okay, now loop all PCI bridges */
do
{
/* Loop all PCI buses */
for (i = 0; i < PciRegistryInfo->NoBuses; i++)
{
/* Check if we have a handler for it */
if (!HalHandlerForBus(PCIBus, i))
{
/* Allocate it */
HalpAllocateAndInitPciBusHandler(PciType, i, FALSE);
}
}
/* Go to the next bridge */
} while (HalpGetPciBridgeConfig(PciType, &PciRegistryInfo->NoBuses));
/* Now build correct address range informaiton */
HalpFixupPciSupportedRanges(PciRegistryInfo->NoBuses);
/* Loop every bus */
DbgPrint("\n====== PCI BUS HARDWARE DETECTION =======\n\n");
PciSlot.u.bits.Reserved = 0;
for (i = 0; i < PciRegistryInfo->NoBuses; i++)
{
/* Get the bus handler */
BusHandler = HalHandlerForBus(PCIBus, i);
/* Loop every device */
for (j = 0; j < 32; j++)
{
/* Loop every function */
PciSlot.u.bits.DeviceNumber = j;
for (k = 0; k < 8; k++)
{
/* Build the final slot structure */
PciSlot.u.bits.FunctionNumber = k;
/* Read the configuration information */
HalpReadPCIConfig(BusHandler,
PciSlot,
PciData,
0,
PCI_COMMON_HDR_LENGTH);
/* Skip if this is an invalid function */
if (PciData->VendorID == PCI_INVALID_VENDORID) continue;
/* Print out the entry */
HalpDebugPciDumpBus(BusHandler, PciSlot, i, j, k, PciData);
/* Check if this is a Cardbus bridge */
if (PCI_CONFIGURATION_TYPE(PciData) == PCI_CARDBUS_BRIDGE_TYPE)
{
/* Not supported */
DbgPrint("\tDevice is a PCI Cardbus Bridge. It will not work!\n");
continue;
}
/* Check if this is a PCI device */
if (PCI_CONFIGURATION_TYPE(PciData) != PCI_BRIDGE_TYPE)
{
/* Check if it has an interrupt pin and line registered */
if ((PciData->u.type1.InterruptPin) &&
(PciData->u.type1.InterruptLine))
{
/* Check if this interrupt line is connected to the bus */
if (PciData->u.type1.InterruptLine < 16)
{
/* Is this an IDE device? */
if (!HalpIsIdeDevice(PciData))
{
/* We'll mask out this interrupt then */
DbgPrint("\tDevice is using IRQ %d! ISA Cards using that IRQ may fail!\n",
PciData->u.type1.InterruptLine);
HalpPciIrqMask |= (1 << PciData->u.type1.InterruptLine);
}
}
}
}
/* Check for broken Intel chips */
if (PciData->VendorID == 0x8086)
{
/* Check for broken 82830 PCI controller */
if ((PciData->DeviceID == 0x04A3) &&
(PciData->RevisionID < 0x11))
{
/* Skip */
DbgPrint("\tDevice is a broken Intel 82430 PCI Controller. It will not work!\n\n");
continue;
}
/* Check for broken 82378 PCI-to-ISA Bridge */
if ((PciData->DeviceID == 0x0484) &&
(PciData->RevisionID <= 3))
{
/* Skip */
DbgPrint("\tDevice is a broken Intel 82378 PCI-to-ISA Bridge. It will not work!\n\n");
continue;
}
/* Check for broken 82450 PCI Bridge */
if ((PciData->DeviceID == 0x84C4) &&
(PciData->RevisionID <= 4))
{
DbgPrint("\tDevice is a Intel Orion 82450 PCI Bridge. It will not work!\n\n");
continue;
}
}
/* Do we know this card? */
if (!ExtendedAddressDecoding)
{
/* Check for it */
if (HalpIsRecognizedCard(PciRegistryInfo,
PciData,
HALP_CARD_FEATURE_FULL_DECODE))
{
/* We'll do chipset checks later */
DbgPrint("\tDevice has Extended Address Decoding. It may fail to work on older BIOSes!\n");
ExtendedAddressDecoding = TRUE;
}
}
/* Now check the registry for chipset hacks */
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)
{
DbgPrint("This chipset has broken ACPI IRQ Routing! Be aware!\n\n");
continue;
}
/* Check for broken ACPI timer */
if (HackFlags & HAL_PCI_CHIP_HACK_BROKEN_ACPI_TIMER)
{
DbgPrint("This chipset has a broken ACPI timer! Be aware!\n\n");
continue;
}
/* Check for hibernate-disable */
if (HackFlags & HAL_PCI_CHIP_HACK_DISABLE_HIBERNATE)
{
DbgPrint("This chipset has a broken PCI device which is incompatible with hibernation. Be aware!\n\n");
continue;
}
/* Check for USB controllers that generate SMIs */
if (HackFlags & HAL_PCI_CHIP_HACK_USB_SMI_DISABLE)
{
DbgPrint("This chipset has a USB controller which generates SMIs. ReactOS will likely fail to boot!\n\n");
continue;
}
}
/* Terminate the entry */
DbgPrint("\n");
}
}
}
/* Initialize NMI Crash Flag */
HalpGetNMICrashFlag();
/* Free the registry data */
ExFreePoolWithTag(PciRegistryInfo, TAG_HAL);
/* Tell PnP if this hard supports correct decoding */
HalpMarkChipsetDecode(ExtendedAddressDecoding);
DbgPrint("====== PCI BUS DETECTION COMPLETE =======\n\n");
#endif
}
#ifndef _MINIHAL_
CODE_SEG("INIT")
VOID
NTAPI
HalpInitBusHandlers(VOID)
{
/* Register the HAL Bus Handler support */
HalpRegisterInternalBusHandlers();
}
CODE_SEG("INIT")
VOID
NTAPI
HalpRegisterKdSupportFunctions(VOID)
{
/* Register PCI Device Functions */
KdSetupPciDeviceForDebugging = HalpSetupPciDeviceForDebugging;
KdReleasePciDeviceforDebugging = HalpReleasePciDeviceForDebugging;
/* Register memory functions */
#ifndef _MINIHAL_
#if (NTDDI_VERSION >= NTDDI_VISTA)
KdMapPhysicalMemory64 = HalpMapPhysicalMemory64Vista;
KdUnmapVirtualAddress = HalpUnmapVirtualAddressVista;
#else
KdMapPhysicalMemory64 = HalpMapPhysicalMemory64;
KdUnmapVirtualAddress = HalpUnmapVirtualAddress;
#endif
#endif
/* Register ACPI stub */
KdCheckPowerButton = HalpCheckPowerButton;
}
#endif // _MINIHAL_
NTSTATUS
NTAPI
HalpAssignSlotResources(IN PUNICODE_STRING RegistryPath,
IN PUNICODE_STRING DriverClassName,
IN PDRIVER_OBJECT DriverObject,
IN PDEVICE_OBJECT DeviceObject,
IN INTERFACE_TYPE BusType,
IN ULONG BusNumber,
IN ULONG SlotNumber,
IN OUT PCM_RESOURCE_LIST *AllocatedResources)
{
PBUS_HANDLER Handler;
NTSTATUS Status;
PAGED_CODE();
DPRINT1("Slot assignment for %d on bus %u\n", BusType, BusNumber);
/* Find the handler */
Handler = HalReferenceHandlerForBus(BusType, BusNumber);
if (!Handler) return STATUS_NOT_FOUND;
/* Do the assignment */
Status = Handler->AssignSlotResources(Handler,
Handler,
RegistryPath,
DriverClassName,
DriverObject,
DeviceObject,
SlotNumber,
AllocatedResources);
/* Dereference the handler and return */
HalDereferenceBusHandler(Handler);
return Status;
}
BOOLEAN
NTAPI
HaliFindBusAddressTranslation(IN PHYSICAL_ADDRESS BusAddress,
IN OUT PULONG AddressSpace,
OUT PPHYSICAL_ADDRESS TranslatedAddress,
IN OUT PULONG_PTR Context,
IN BOOLEAN NextBus)
{
PHAL_BUS_HANDLER BusHandler;
PBUS_HANDLER Handler;
PLIST_ENTRY NextEntry;
/* Make sure we have a context */
if (!Context)
return FALSE;
/* If we have data in the context, then this shouldn't be a new lookup */
if ((*Context != 0) && (NextBus != FALSE))
return FALSE;
/* Find the bus handler */
Handler = HalpContextToBusHandler(*Context);
if (!Handler)
return FALSE;
/* Check if this is an ongoing lookup */
if (NextBus)
{
/* Get the HAL bus handler */
BusHandler = CONTAINING_RECORD(Handler, HAL_BUS_HANDLER, Handler);
NextEntry = &BusHandler->AllHandlers;
/* Get the next one if we were already with one */
if (*Context)
NextEntry = NextEntry->Flink;
/* Start scanning */
while (TRUE)
{
/* Check if this is the last one */
if (NextEntry == &HalpAllBusHandlers)
{
/* Quit */
*Context = 1;
return FALSE;
}
/* Call this translator */
BusHandler = CONTAINING_RECORD(NextEntry, HAL_BUS_HANDLER, AllHandlers);
if (HalTranslateBusAddress(BusHandler->Handler.InterfaceType,
BusHandler->Handler.BusNumber,
BusAddress,
AddressSpace,
TranslatedAddress))
{
break;
}
/* Try the next one */
NextEntry = NextEntry->Flink;
}
/* If we made it, we're done */
*Context = (ULONG_PTR)&BusHandler->Handler;
return TRUE;
}
/* Try the first one through */
if (!HalTranslateBusAddress(Handler->InterfaceType,
Handler->BusNumber,
BusAddress,
AddressSpace,
TranslatedAddress))
{
return FALSE;
}
/* Remember for next time */
*Context = (ULONG_PTR)Handler;
return TRUE;
}
BOOLEAN
NTAPI
HaliTranslateBusAddress(IN INTERFACE_TYPE InterfaceType,
IN ULONG BusNumber,
IN PHYSICAL_ADDRESS BusAddress,
IN OUT PULONG AddressSpace,
OUT PPHYSICAL_ADDRESS TranslatedAddress)
{
PBUS_HANDLER Handler;
BOOLEAN Status;
/* Find the handler */
Handler = HalReferenceHandlerForBus(InterfaceType, BusNumber);
if (!(Handler) || !(Handler->TranslateBusAddress))
{
DPRINT1("No translator Interface: %x, Bus: %x, Handler: %p, BusAddress: %x!\n", InterfaceType, BusNumber, Handler, BusAddress);
return FALSE;
}
/* Do the assignment */
Status = Handler->TranslateBusAddress(Handler,
Handler,
BusAddress,
AddressSpace,
TranslatedAddress);
/* Dereference the handler and return */
HalDereferenceBusHandler(Handler);
return Status;
}
/* PUBLIC FUNCTIONS **********************************************************/
#ifndef _MINIHAL_
/*
* @implemented
*/
NTSTATUS
NTAPI
HalAdjustResourceList(IN PIO_RESOURCE_REQUIREMENTS_LIST *ResourceList)
{
PBUS_HANDLER Handler;
ULONG Status;
PAGED_CODE();
/* Find the handler */
Handler = HalReferenceHandlerForBus((*ResourceList)->InterfaceType,
(*ResourceList)->BusNumber);
if (!Handler) return STATUS_SUCCESS;
/* Do the assignment */
Status = Handler->AdjustResourceList(Handler,
Handler,
ResourceList);
/* Dereference the handler and return */
HalDereferenceBusHandler(Handler);
return Status;
}
#endif // _MINIHAL_
/*
* @implemented
*/
NTSTATUS
NTAPI
HalAssignSlotResources(IN PUNICODE_STRING RegistryPath,
IN PUNICODE_STRING DriverClassName,
IN PDRIVER_OBJECT DriverObject,
IN PDEVICE_OBJECT DeviceObject,
IN INTERFACE_TYPE BusType,
IN ULONG BusNumber,
IN ULONG SlotNumber,
IN OUT PCM_RESOURCE_LIST *AllocatedResources)
{
PAGED_CODE();
/* Check the bus type */
if (BusType != PCIBus)
{
/* Call our internal handler */
return HalpAssignSlotResources(RegistryPath,
DriverClassName,
DriverObject,
DeviceObject,
BusType,
BusNumber,
SlotNumber,
AllocatedResources);
}
else
{
/* Call the PCI registered function */
return HalPciAssignSlotResources(RegistryPath,
DriverClassName,
DriverObject,
DeviceObject,
PCIBus,
BusNumber,
SlotNumber,
AllocatedResources);
}
}
#ifndef _MINIHAL_
/*
* @implemented
*/
ULONG
NTAPI
HalGetBusData(IN BUS_DATA_TYPE BusDataType,
IN ULONG BusNumber,
IN ULONG SlotNumber,
IN PVOID Buffer,
IN ULONG Length)
{
/* Call the extended function */
return HalGetBusDataByOffset(BusDataType,
BusNumber,
SlotNumber,
Buffer,
0,
Length);
}
#endif // _MINIHAL_
/*
* @implemented
*/
ULONG
NTAPI
HalGetBusDataByOffset(IN BUS_DATA_TYPE BusDataType,
IN ULONG BusNumber,
IN ULONG SlotNumber,
IN PVOID Buffer,
IN ULONG Offset,
IN ULONG Length)
{
PBUS_HANDLER Handler;
ULONG Status;
/* Find the handler */
Handler = HaliReferenceHandlerForConfigSpace(BusDataType, BusNumber);
if (!Handler) return 0;
/* Do the assignment */
Status = Handler->GetBusData(Handler,
Handler,
SlotNumber,
Buffer,
Offset,
Length);
/* Dereference the handler and return */
HalDereferenceBusHandler(Handler);
return Status;
}
#ifndef _MINIHAL_
/*
* @implemented
*/
ULONG
NTAPI
HalGetInterruptVector(IN INTERFACE_TYPE InterfaceType,
IN ULONG BusNumber,
IN ULONG BusInterruptLevel,
IN ULONG BusInterruptVector,
OUT PKIRQL Irql,
OUT PKAFFINITY Affinity)
{
PBUS_HANDLER Handler;
ULONG Vector;
PAGED_CODE();
/* Defaults */
*Irql = 0;
*Affinity = 0;
/* Find the handler */
Handler = HalReferenceHandlerForBus(InterfaceType, BusNumber);
if (!Handler) return 0;
/* Do the assignment */
Vector = Handler->GetInterruptVector(Handler,
Handler,
BusInterruptLevel,
BusInterruptVector,
Irql,
Affinity);
if ((Vector != IRQ2VECTOR(BusInterruptLevel)) ||
(*Irql != VECTOR2IRQL(IRQ2VECTOR(BusInterruptLevel))))
{
DPRINT1("Returning IRQL %lx, Vector %lx for Level/Vector: %lx/%lx\n",
*Irql, Vector, BusInterruptLevel, BusInterruptVector);
DPRINT1("Old HAL would've returned IRQL %lx and Vector %lx\n",
VECTOR2IRQL(IRQ2VECTOR(BusInterruptLevel)),
IRQ2VECTOR(BusInterruptLevel));
}
/* Dereference the handler and return */
HalDereferenceBusHandler(Handler);
return Vector;
}
/*
* @implemented
*/
ULONG
NTAPI
HalSetBusData(IN BUS_DATA_TYPE BusDataType,
IN ULONG BusNumber,
IN ULONG SlotNumber,
IN PVOID Buffer,
IN ULONG Length)
{
/* Call the extended function */
return HalSetBusDataByOffset(BusDataType,
BusNumber,
SlotNumber,
Buffer,
0,
Length);
}
/*
* @implemented
*/
ULONG
NTAPI
HalSetBusDataByOffset(IN BUS_DATA_TYPE BusDataType,
IN ULONG BusNumber,
IN ULONG SlotNumber,
IN PVOID Buffer,
IN ULONG Offset,
IN ULONG Length)
{
PBUS_HANDLER Handler;
ULONG Status;
/* Find the handler */
Handler = HaliReferenceHandlerForConfigSpace(BusDataType, BusNumber);
if (!Handler) return 0;
/* Do the assignment */
Status = Handler->SetBusData(Handler,
Handler,
SlotNumber,
Buffer,
Offset,
Length);
/* Dereference the handler and return */
HalDereferenceBusHandler(Handler);
return Status;
}
#endif // _MINIHAL_
/*
* @implemented
*/
BOOLEAN
NTAPI
HalTranslateBusAddress(IN INTERFACE_TYPE InterfaceType,
IN ULONG BusNumber,
IN PHYSICAL_ADDRESS BusAddress,
IN OUT PULONG AddressSpace,
OUT PPHYSICAL_ADDRESS TranslatedAddress)
{
/* Look as the bus type */
if (InterfaceType == PCIBus)
{
/* Call the PCI registered function */
return HalPciTranslateBusAddress(PCIBus,
BusNumber,
BusAddress,
AddressSpace,
TranslatedAddress);
}
else
{
/* Call the bus handler */
return HaliTranslateBusAddress(InterfaceType,
BusNumber,
BusAddress,
AddressSpace,
TranslatedAddress);
}
}
/* EOF */
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