First shot at some primitives for powerpc. Untested yet. Added: trunk/reactos/ntoskrnl/include/internal/powerpc/ Added: trunk/reactos/ntoskrnl/include/internal/powerpc/ke.h _____
Added: trunk/reactos/ntoskrnl/include/internal/powerpc/ke.h --- trunk/reactos/ntoskrnl/include/internal/powerpc/ke.h 2005-02-27 22:55:54 UTC (rev 13772) +++ trunk/reactos/ntoskrnl/include/internal/powerpc/ke.h 2005-02-28 00:26:28 UTC (rev 13773) @@ -0,0 +1,140 @@
+/* + * ReactOS kernel + * Copyright (C) 1998, 1999, 2000, 2001 ReactOS Team + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ +#ifndef __NTOSKRNL_INCLUDE_INTERNAL_POWERPC_KE_H +#define __NTOSKRNL_INCLUDE_INTERNAL_POWERPC_KE_H + +#if __GNUC__ >=3 +#pragma GCC system_header +#endif + +/* Possible values for KTHREAD's NpxState */ +#define NPX_STATE_INVALID 0x01 +#define NPX_STATE_VALID 0x02 +#define NPX_STATE_DIRTY 0x04 + +#ifndef __ASM__ + +typedef struct _KTRAP_FRAME +{ +} KTRAP_FRAME, *PKTRAP_FRAME; + +typedef struct _KIRQ_TRAPFRAME +{ +} KIRQ_TRAPFRAME, *PKIRQ_TRAPFRAME; + +extern ULONG KePPCCacheAlignment; + +struct _KPCR; +VOID +KiInitializeGdt(struct _KPCR* Pcr); +VOID +KiPPCApplicationProcessorInitializeTSS(VOID); +VOID +KiPPCBootInitializeTSS(VOID); +VOID +KiGdtPrepareForApplicationProcessorInit(ULONG Id); +VOID +KiPPCInitializeLdt(VOID); +VOID +KiPPCSetProcessorFeatures(VOID); +ULONG KeAllocateGdtSelector(ULONG Desc[2]); +VOID KeFreeGdtSelector(ULONG Entry); +VOID +NtEarlyInitVdm(VOID); + +#ifdef CONFIG_SMP +#define LOCK "isync ; " +#else +#define LOCK "" +#endif + + +static inline LONG KePPCTestAndClearBit(ULONG BitPos, volatile PULONG Addr) +{ + ULONG OldValue, NewValue; + + __asm__ __volatile__ ("lwarx %0,0,%1" + : "=r" (OldValue), "=r" (*Addr) + : + : "memory"); + + NewValue = OldValue & ~(1<<BitPos); + + __asm__ __volatile__ ("stwcx. %0,0,%3\n\t" + "beq success\n\t" + "add %2,0,%1\n" + "success:\n\t" + "isync\n\t" + : "=r" (NewValue), "=r" (OldValue) + : "=w" (NewValue), "=w" (*Addr) + : "memory"); + + return NewValue & (1 << BitPos); +} + +static inline LONG KePPCTestAndSetBit(ULONG BitPos, volatile PULONG Addr) +{ + ULONG OldValue, NewValue; + + __asm__ __volatile__ ("lwarx %0,0,%1" + : "=r" (OldValue), "=r" (*Addr) + : + : "memory"); + + NewValue = OldValue | (1<<BitPos); + + __asm__ __volatile__ ("stwcx. %0,0,%3\n\t" + "beq success\n\t" + "add %2,0,%1\n" + "success:\n\t" + "isync\n\t" + : "=r" (NewValue), "=r" (OldValue) + : "=w" (NewValue), "=w" (*Addr) + : "memory"); + + return NewValue & (1 << BitPos); +} + +#define KePPCRdmsr(msr,val1,val2) __asm__ __volatile__("mfmsr 2") + +#define KePPCWrmsr(msr,val1,val2) __asm__ __volatile__("mtmsr 3") + + +#define KePPCDisableInterrupts() \ +__asm__ __volatile__("mfmsr 0\n\t" \ + "li 8,0x7fff\n\t" \ + "and 0,8,0\n\t" \ + "mtmsr 0\n\t") + +#define KePPCEnableInterrupts() \ + __asm__ __volatile__("mfmsr 0\n\t" \ + "li 8,0x8000\n\t" \ + "or 0,8,0\n\t" \ + "mtmsr 0\n\t") + +#define KePPCHaltProcessor() ; + +#endif /* __ASM__ */ + +#define KeArchEraseFlags() +#define KeArchDisableInterrupts() KePPCDisableInterrupts() + +#endif /* __NTOSKRNL_INCLUDE_INTERNAL_POWERPC_KE_H */ + +/* EOF */
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