2007-12-15 16:18:49 +00:00
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/*
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* PROJECT: ReactOS Kernel
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* LICENSE: GPL - See COPYING in the top level directory
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* FILE: ntoskrnl/fstub/halstub.c
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* PURPOSE: I/O Stub HAL Routines
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* PROGRAMMERS: Alex Ionescu (alex.ionescu@reactos.org)
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*/
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/* INCLUDES ******************************************************************/
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#include <ntoskrnl.h>
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#define NDEBUG
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2008-08-30 16:31:06 +00:00
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#include <debug.h>
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2007-12-15 16:18:49 +00:00
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/* GLOBALS *******************************************************************/
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HAL_DISPATCH HalDispatchTable =
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{
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HAL_DISPATCH_VERSION,
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(pHalQuerySystemInformation)NULL,
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(pHalSetSystemInformation)NULL,
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(pHalQueryBusSlots)NULL,
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0,
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xHalExamineMBR,
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xHalIoAssignDriveLetters,
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xHalIoReadPartitionTable,
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xHalIoSetPartitionInformation,
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xHalIoWritePartitionTable,
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(pHalHandlerForBus)NULL,
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(pHalReferenceBusHandler)NULL,
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(pHalReferenceBusHandler)NULL,
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(pHalInitPnpDriver)NULL,
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(pHalInitPowerManagement)NULL,
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(pHalGetDmaAdapter) NULL,
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(pHalGetInterruptTranslator)NULL,
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(pHalStartMirroring)NULL,
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(pHalEndMirroring)NULL,
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(pHalMirrorPhysicalMemory)NULL,
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2010-03-08 20:37:24 +00:00
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xHalEndOfBoot,
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2007-12-15 16:18:49 +00:00
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(pHalMirrorVerify)NULL
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};
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HAL_PRIVATE_DISPATCH HalPrivateDispatchTable =
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{
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HAL_PRIVATE_DISPATCH_VERSION,
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(pHalHandlerForBus)NULL,
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(pHalHandlerForConfigSpace)NULL,
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(pHalLocateHiberRanges)NULL,
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(pHalRegisterBusHandler)NULL,
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2010-03-08 20:37:24 +00:00
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xHalSetWakeEnable,
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2007-12-15 16:18:49 +00:00
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(pHalSetWakeAlarm)NULL,
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(pHalTranslateBusAddress)NULL,
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(pHalAssignSlotResources)NULL,
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- Stub out DbgKdWriteVirtualMemoryApi, DbgKdReadPhysicalMemoryApi, DbgKdWritePhysicalMemoryApi, DbgKdWriteBreakPointExApi, DbgKdRestoreBreakPointExApi, DbgKdSearchMemoryApi and DbgKdFillMemoryApi cases more properly.
- Fail on physical memory write like we do for read too.
- Don't handle OldVlm1/2 as they appear to be deprecated and unhandled in Windows.
- Implement HalHaltSystem to halt execution in a portable way. Default to xHalHaltSystem, a simple infinite loop, if we get called before HAL has initialized. Use this in KiBugCheckDebugBreak and the system shutdown handler instead of x86/AMD64/ARM intrinsics.
- Don't try to halt the CPU if KeBugCheck has been called 3 times or more -- if this happens, something has gone very wrong, and we shouldn't try to do anything special. Just loop infinitely.
- Fix KiBugCheckDebugBreak -- it shouldn't halt execution when called for the first chance as bugcheck callbacks have not been invoked at this point (nor has the BSOD been displayed). Use SEH to protect against a crash instead of checking KdDebuggerNotPresent as the debugger, if it is present, *could* disconnect while the trap is being handled. Also, don't halt execution if the debugger handled the breakpoint, just break again.
- Don't call MmMapIoSpace from HalpReboot! The reboot might take place at elevated IRQL (as high as HIGH_LEVEL if called from KeBugCheck), and thus can't use any Mm support routines. Use a PTE from the reserved HAL region and map it ourselves instead as done in the BIOS call code.
- Acquire the display ownership in HalReturnToFirmware in case the caller hasn't done so (as done in the KD reboot routine, for example).
- Just include ntndk.h in hal.h instead of including 6 NDK headers (which turns into more than half of the NDK anyway since those headers include other NDK headers).
- Crashing and rebooting from KD now works properly.
svn path=/trunk/; revision=43380
2009-10-11 20:16:45 +00:00
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xHalHaltSystem,
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2007-12-15 16:18:49 +00:00
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(pHalFindBusAddressTranslation)NULL,
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(pHalResetDisplay)NULL,
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(pHalAllocateMapRegisters)NULL,
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(pKdSetupPciDeviceForDebugging)NULL,
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(pKdReleasePciDeviceForDebugging)NULL,
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(pKdGetAcpiTablePhase0)NULL,
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(pKdCheckPowerButton)NULL,
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2009-10-29 19:58:41 +00:00
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(pHalVectorToIDTEntry)xHalVectorToIDTEntry,
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2007-12-15 16:18:49 +00:00
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(pKdMapPhysicalMemory64)NULL,
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(pKdUnmapVirtualAddress)NULL
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};
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/* FUNCTIONS *****************************************************************/
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2009-10-29 19:58:41 +00:00
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UCHAR
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NTAPI
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xHalVectorToIDTEntry(IN ULONG Vector)
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{
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/* Return the vector */
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return Vector;
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}
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- Stub out DbgKdWriteVirtualMemoryApi, DbgKdReadPhysicalMemoryApi, DbgKdWritePhysicalMemoryApi, DbgKdWriteBreakPointExApi, DbgKdRestoreBreakPointExApi, DbgKdSearchMemoryApi and DbgKdFillMemoryApi cases more properly.
- Fail on physical memory write like we do for read too.
- Don't handle OldVlm1/2 as they appear to be deprecated and unhandled in Windows.
- Implement HalHaltSystem to halt execution in a portable way. Default to xHalHaltSystem, a simple infinite loop, if we get called before HAL has initialized. Use this in KiBugCheckDebugBreak and the system shutdown handler instead of x86/AMD64/ARM intrinsics.
- Don't try to halt the CPU if KeBugCheck has been called 3 times or more -- if this happens, something has gone very wrong, and we shouldn't try to do anything special. Just loop infinitely.
- Fix KiBugCheckDebugBreak -- it shouldn't halt execution when called for the first chance as bugcheck callbacks have not been invoked at this point (nor has the BSOD been displayed). Use SEH to protect against a crash instead of checking KdDebuggerNotPresent as the debugger, if it is present, *could* disconnect while the trap is being handled. Also, don't halt execution if the debugger handled the breakpoint, just break again.
- Don't call MmMapIoSpace from HalpReboot! The reboot might take place at elevated IRQL (as high as HIGH_LEVEL if called from KeBugCheck), and thus can't use any Mm support routines. Use a PTE from the reserved HAL region and map it ourselves instead as done in the BIOS call code.
- Acquire the display ownership in HalReturnToFirmware in case the caller hasn't done so (as done in the KD reboot routine, for example).
- Just include ntndk.h in hal.h instead of including 6 NDK headers (which turns into more than half of the NDK anyway since those headers include other NDK headers).
- Crashing and rebooting from KD now works properly.
svn path=/trunk/; revision=43380
2009-10-11 20:16:45 +00:00
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VOID
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NTAPI
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xHalHaltSystem(VOID)
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{
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/* Halt execution */
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while (TRUE);
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}
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2010-03-08 20:37:24 +00:00
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VOID
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NTAPI
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xHalEndOfBoot(VOID)
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{
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/* Nothing */
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return;
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}
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VOID
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NTAPI
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xHalSetWakeEnable(IN BOOLEAN Enable)
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{
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/* Nothing */
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return;
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}
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