First shot at some primitives for powerpc. Untested yet.

svn path=/trunk/; revision=13773

diff --git a/reactos/ntoskrnl/include/internal/powerpc/ke.h b/reactos/ntoskrnl/include/internal/powerpc/ke.h
new file mode 100644 (file)
index 0000000..3bf20cd
--- /dev/null
+++ b/reactos/ntoskrnl/include/internal/powerpc/ke.h
@@ -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 */