The Windows headers include a file called ioaccess.h in the ddk folder, which exposes various READ/WRITE_PORT/REGISTER_ routines as inlined macros for various architectures (PPC, MIPS, AMD64, IA64, X86), making use of the MSVC compiler-intrinsics (inp, outp, etc). Since ReactOS already has those intrinscs implemented, we've also created an ioaccess.h w32api header file which makes use of them.
We can now remove the portio.h and portio.c files in FreeLDR, since there's no more need to duplicate this code.
Additionally, this can be also done with the PPC port of FreeLDR or any other architecture, since it doesn't require per-architecture support in FreeLDR anymore -- only the underlying intrinsics in intrin.h must be implemented (note that for PPC, MIPS and ARM, the notion of a port doesn't even exist -- those functions map to register-reading functions, where register basically means memory).
svn path=/trunk/; revision=32130
2008-02-05 02:40:08 +00:00
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/*
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* ioaccess.h
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*
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* Windows Device Driver Kit
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*
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* This file is part of the w32api package.
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*
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* THIS SOFTWARE IS NOT COPYRIGHTED
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*
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* This source code is offered for use in the public domain. You may
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* use, modify or distribute it freely.
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*
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* This code is distributed in the hope that it will be useful but
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* WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
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* DISCLAIMED. This includes but is not limited to warranties of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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*
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*/
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#ifndef __IOACCESS_H
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#define __IOACCESS_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define H2I(p) PtrToUshort(p)
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#ifndef NO_PORT_MACROS
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Merge 34739 - 34769, 34796 - 34905, 34916 - 34967, 34970 - 35135, 35167, 35325, 35326, 35443 - 35506, 35510 - 35546, 35587, 35616,
35644 from ros-amd64-bringup branch:
- Update AMD64 intrinsic Interlocked functions
- Add _InterlockedExchange64 to intin_x86.h
-Fix definitions of IsBadHugeReadPtr, IsBadHugeWritePtr, IsBadReadPtr, IsBadStringPtrA, IsBadStringPtrW, IsBadWritePtr and SetProcessWorkingSetSize
- Define CONTEXT and XMM_SAVE_AREA32, taken from WINE
- Include _M_AMD64 for defintitions in ioaccess.h
- Add Interlocked intrinisc definitions for AMD64 platform
- Add KI_USER_SHARED_DATA and KeGetCurrentIrql() prototype to winddh
- Fix prototypes for KfAcquireSpinLock, KfReleaseSpinLock, KeAcquireInStackQueuedSpinLock and KeReleaseInStackQueuedSpinLock on amd64
- Fix rotl declaration, add mysteriously missing rotr.
winnt.h:
- Fix CONTEXT_AMD64 and friends, add various constants.
- Define RUNTIME_FUNCTION, RtlCaptureContext, RtlRestoreContext, RtlAddFunctionTable, RtlInstallFunctionTableCallback, RtlDeleteFunctionTable.
- Fix definitions for EXCEPTION_RECORD and friends to support amd64.
- Define IMAGE_THUNK_DATA64 and related constants.
- Define IMAGE_TLS_DIRECTORY64 and related constants.
- Remove WINEisms
- Remove multiple declarations and minor fixes.
- Fix KESEG0_BASE for amd64
- Fix definition for NdisCopyLookaheadData on amd64
- Only add function prototypes if NO_INTERLOCKED_INTRINSICS is defined
- Move the inlined InterlockedAnd/Or from rtl to winbase.h and rename it to InterlockedAnd/Or_Inline
- Fix TreeView_EnsureVisible macro.
- Add missing 64 bit intrinsic Interlocked functions
- Fix _InterlockedDecrement64
- Fix InterlockedExchangeAddSizeT
- Fix __writecrx instrinsics
- Fix ExQueryPoolBlockSize prototype
- Make KI_USER_SHARED_DATA and IMAGE_ORDINAL_FLAG64 a ULONGLONG
- Fix definition if IMAGE_OPTIONAL_HEADER64
- Add KPCR structure
- Add __readcrx intrinsics
- Ad some definitions to winddk.h
- Add a field for a DbgPrint function pointer to the ROS_LOADER_PARAMETER_BLOCK for early debug prints in ntoskrnl
- Update KPCR and KIPCR
- Add KeGetPcr() and update KeGetCurrentProcessorNumber
- Fix SECURITY_DESCRIPTOR_RELATIVE and KDPC_DATA
- Implement byteswap intrinsics
- Add macro definitions for KeQuerySystemTime, KeQueryTickCount and KeQueryInterruptTime to ddk
- Add NtCurrentTeb inline function
- Update amd64 prototypes for KeGetCurrentIrql, KfRaiseIrql, KfLowerIrql, KeRaiseIrqlToDpcLevel, KeRaiseIrqlToSynchLevel, KeLowerIrql, KeRaiseIrql
- Implement __readcr8, __writecr8, __lidt and __sidt intrinsics.
- Implement KeGetCurrentIrql as intrinsic.
- Make KeGetCurrentIrql, KeLowerIrql, KfRaiseIrql, KeRaiseIrql, KeRaiseIrqlToDpcLevel and KeRaiseIrqlToSynchLevel intrinsics as in the WDK 2008.
- Fix _interlockedbittest intrinsics
- Fix __readmsr and __writemsr on amd64
- Fix __readgsqword, it was using a long internally. Add volatile keyword to segment addressing intrinsics. Add "memory" to clobber list on all those that do write.
- Merge __readcr and __writecr x86 / x64 definitions, because they are the same. Implement __readdr and __writedr for x64.
- __readcr3() returns an unsigned __int64, fix x86 MmGetPageDirectory accordingly.
svn path=/trunk/; revision=35646
2008-08-25 21:57:13 +00:00
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#if defined(_X86_) || defined(_M_AMD64)
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The Windows headers include a file called ioaccess.h in the ddk folder, which exposes various READ/WRITE_PORT/REGISTER_ routines as inlined macros for various architectures (PPC, MIPS, AMD64, IA64, X86), making use of the MSVC compiler-intrinsics (inp, outp, etc). Since ReactOS already has those intrinscs implemented, we've also created an ioaccess.h w32api header file which makes use of them.
We can now remove the portio.h and portio.c files in FreeLDR, since there's no more need to duplicate this code.
Additionally, this can be also done with the PPC port of FreeLDR or any other architecture, since it doesn't require per-architecture support in FreeLDR anymore -- only the underlying intrinsics in intrin.h must be implemented (note that for PPC, MIPS and ARM, the notion of a port doesn't even exist -- those functions map to register-reading functions, where register basically means memory).
svn path=/trunk/; revision=32130
2008-02-05 02:40:08 +00:00
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#define READ_REGISTER_UCHAR(r) (*(volatile UCHAR *)(r))
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#define READ_REGISTER_USHORT(r) (*(volatile USHORT *)(r))
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#define READ_REGISTER_ULONG(r) (*(volatile ULONG *)(r))
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#define WRITE_REGISTER_UCHAR(r, v) (*(volatile UCHAR *)(r) = (v))
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#define WRITE_REGISTER_USHORT(r, v) (*(volatile USHORT *)(r) = (v))
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#define WRITE_REGISTER_ULONG(r, v) (*(volatile ULONG *)(r) = (v))
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2008-07-21 21:53:38 +00:00
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#define READ_PORT_UCHAR(p) (UCHAR)(__inbyte (H2I(p)))
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#define READ_PORT_USHORT(p) (USHORT)(__inword (H2I(p)))
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#define READ_PORT_ULONG(p) (ULONG)(__indword (H2I(p)))
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The Windows headers include a file called ioaccess.h in the ddk folder, which exposes various READ/WRITE_PORT/REGISTER_ routines as inlined macros for various architectures (PPC, MIPS, AMD64, IA64, X86), making use of the MSVC compiler-intrinsics (inp, outp, etc). Since ReactOS already has those intrinscs implemented, we've also created an ioaccess.h w32api header file which makes use of them.
We can now remove the portio.h and portio.c files in FreeLDR, since there's no more need to duplicate this code.
Additionally, this can be also done with the PPC port of FreeLDR or any other architecture, since it doesn't require per-architecture support in FreeLDR anymore -- only the underlying intrinsics in intrin.h must be implemented (note that for PPC, MIPS and ARM, the notion of a port doesn't even exist -- those functions map to register-reading functions, where register basically means memory).
svn path=/trunk/; revision=32130
2008-02-05 02:40:08 +00:00
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#define WRITE_PORT_UCHAR(p, v) __outbyte (H2I(p), (v))
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#define WRITE_PORT_USHORT(p, v) __outword (H2I(p), (v))
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#define WRITE_PORT_ULONG(p, v) __outdword (H2I(p), (v))
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#elif defined(_PPC_) || defined(_MIPS_) || defined(_ARM_)
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#define READ_REGISTER_UCHAR(r) (*(volatile UCHAR * const)(r))
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#define READ_REGISTER_USHORT(r) (*(volatile USHORT * const)(r))
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#define READ_REGISTER_ULONG(r) (*(volatile ULONG * const)(r))
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#define WRITE_REGISTER_UCHAR(r, v) (*(volatile UCHAR * const)(r) = (v))
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#define WRITE_REGISTER_USHORT(r, v) (*(volatile USHORT * const)(r) = (v))
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#define WRITE_REGISTER_ULONG(r, v) (*(volatile ULONG * const)(r) = (v))
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#define READ_PORT_UCHAR(r) READ_REGISTER_UCHAR(r)
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#define READ_PORT_USHORT(r) READ_REGISTER_USHORT(r)
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#define READ_PORT_ULONG(r) READ_REGISTER_ULONG(r)
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#define WRITE_PORT_UCHAR(p, v) WRITE_REGISTER_UCHAR(p, (UCHAR) (v))
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#define WRITE_PORT_USHORT(p, v) WRITE_REGISTER_USHORT(p, (USHORT) (v))
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#define WRITE_PORT_ULONG(p, v) WRITE_REGISTER_ULONG(p, (ULONG) (v))
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#else
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#error Unsupported architecture
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#endif
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#endif /* NO_PORT_MACROS */
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#endif /* __IOACCESS_H */
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