mirror of
https://github.com/reactos/reactos.git
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133 lines
3.2 KiB
C
133 lines
3.2 KiB
C
/*
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* ReactOS kernel
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* Copyright (C) 1998, 1999, 2000, 2001 ReactOS Team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#pragma once
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#include <ndk/powerpc/ketypes.h>
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/* Possible values for KTHREAD's NpxState */
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#define KPCR_BASE 0xff000000
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#define NPX_STATE_INVALID 0x01
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#define NPX_STATE_VALID 0x02
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#define NPX_STATE_DIRTY 0x04
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#ifndef __ASM__
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typedef struct _KIRQ_TRAPFRAME
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{
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} KIRQ_TRAPFRAME, *PKIRQ_TRAPFRAME;
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extern ULONG KePPCCacheAlignment;
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//#define KD_BREAKPOINT_TYPE
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//#define KD_BREAKPOINT_SIZE
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//#define KD_BREAKPOINT_VALUE
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//
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// Macro to get the second level cache size field name which differs between
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// CISC and RISC architectures, as the former has unified I/D cache
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//
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#define KiGetSecondLevelDCacheSize() ((PKIPCR)KeGetPcr())->SecondLevelDcacheSize
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//
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// Macros for getting and setting special purpose registers in portable code
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//
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#define KeGetContextPc(Context) \
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((Context)->Dr0)
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#define KeSetContextPc(Context, ProgramCounter) \
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((Context)->Dr0 = (ProgramCounter))
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#define KeGetTrapFramePc(TrapFrame) \
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((TrapFrame)->Dr0)
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#define KeGetContextReturnRegister(Context) \
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((Context)->Gpr3)
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#define KeSetContextReturnRegister(Context, ReturnValue) \
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((Context)->Gpr3 = (ReturnValue))
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//
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// Returns the Interrupt State from a Trap Frame.
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// ON = TRUE, OFF = FALSE
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//
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//#define KeGetTrapFrameInterruptState(TrapFrame) \
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#define KePPCRdmsr(msr,val1,val2) __asm__ __volatile__("mfmsr 3")
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#define KePPCWrmsr(msr,val1,val2) __asm__ __volatile__("mtmsr 3")
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#define PPC_MIN_CACHE_LINE_SIZE 32
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FORCEINLINE struct _KPCR * NTHALAPI KeGetCurrentKPCR(
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VOID)
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{
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return (struct _KPCR *)__readfsdword(0x1c);
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}
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FORCEINLINE
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VOID
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KeFlushProcessTb(VOID)
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{
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/* Flush the TLB */
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__asm__("sync\n\tisync\n\t");
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}
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FORCEINLINE
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VOID
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KeSweepICache(IN PVOID BaseAddress,
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IN SIZE_T FlushSize)
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{
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//
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// Always sweep the whole cache
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//
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UNREFERENCED_PARAMETER(BaseAddress);
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UNREFERENCED_PARAMETER(FlushSize);
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__asm__ __volatile__("tlbsync");
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}
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FORCEINLINE
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PRKTHREAD
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KeGetCurrentThread(VOID)
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{
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/* Return the current thread */
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return KeGetCurrentPrcb()->CurrentThread;
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}
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FORCEINLINE
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VOID
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KiRundownThread(IN PKTHREAD Thread)
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{
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/* FIXME */
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}
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#ifdef _NTOSKRNL_ /* FIXME: Move flags above to NDK instead of here */
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VOID
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NTAPI
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KiThreadStartup(PKSYSTEM_ROUTINE SystemRoutine,
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PKSTART_ROUTINE StartRoutine,
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PVOID StartContext,
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BOOLEAN UserThread,
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KTRAP_FRAME TrapFrame);
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#endif
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#endif /* __ASM__ */
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/* EOF */
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