ntoskrnl/include/internal/powerpc/ke.h

   1 /*
   2  *  ReactOS kernel
   3  *  Copyright (C) 1998, 1999, 2000, 2001 ReactOS Team
   4  *
   5  *  This program is free software; you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation; either version 2 of the License, or
   8  *  (at your option) any later version.
   9  *
  10  *  This program is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License along
  16  *  with this program; if not, write to the Free Software Foundation, Inc.,
  17  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18  */
  19
  20 #pragma once
  21
  22 #include <ndk/powerpc/ketypes.h>
  23
  24 /* Possible values for KTHREAD's NpxState */
  25 #define KPCR_BASE 0xff000000
  26 #define NPX_STATE_INVALID   0x01
  27 #define NPX_STATE_VALID     0x02
  28 #define NPX_STATE_DIRTY     0x04
  29
  30 #ifndef __ASM__
  31
  32 typedef struct _KIRQ_TRAPFRAME
  33 {
  34 } KIRQ_TRAPFRAME, *PKIRQ_TRAPFRAME;
  35
  36 extern ULONG KePPCCacheAlignment;
  37
  38 #define IMAGE_FILE_MACHINE_ARCHITECTURE IMAGE_FILE_MACHINE_POWERPC
  39
  40 //#define KD_BREAKPOINT_TYPE
  41 //#define KD_BREAKPOINT_SIZE
  42 //#define KD_BREAKPOINT_VALUE
  43
  44 //
  45 // Macros for getting and setting special purpose registers in portable code
  46 //
  47 #define KeGetContextPc(Context) \
  48     ((Context)->Dr0)
  49
  50 #define KeSetContextPc(Context, ProgramCounter) \
  51     ((Context)->Dr0 = (ProgramCounter))
  52
  53 #define KeGetTrapFramePc(TrapFrame) \
  54     ((TrapFrame)->Dr0)
  55
  56 #define KeGetContextReturnRegister(Context) \
  57     ((Context)->Gpr3)
  58
  59 #define KeSetContextReturnRegister(Context, ReturnValue) \
  60     ((Context)->Gpr3 = (ReturnValue))
  61
  62 //
  63 // Returns the Interrupt State from a Trap Frame.
  64 // ON = TRUE, OFF = FALSE
  65 //
  66 //#define KeGetTrapFrameInterruptState(TrapFrame) \
  67
  68 #define KePPCRdmsr(msr,val1,val2) __asm__ __volatile__("mfmsr 3")
  69
  70 #define KePPCWrmsr(msr,val1,val2) __asm__ __volatile__("mtmsr 3")
  71
  72 #define PPC_MIN_CACHE_LINE_SIZE 32
  73
  74 FORCEINLINE struct _KPCR * NTHALAPI KeGetCurrentKPCR(
  75     VOID)
  76 {
  77     return (struct _KPCR *)__readfsdword(0x1c);
  78 }
  79
  80 FORCEINLINE
  81 VOID
  82 KeFlushProcessTb(VOID)
  83 {
  84     /* Flush the TLB */
  85     __asm__("sync\n\tisync\n\t");
  86 }
  87
  88 FORCEINLINE
  89 PRKTHREAD
  90 KeGetCurrentThread(VOID)
  91 {
  92     /* Return the current thread */
  93     return KeGetCurrentPrcb()->CurrentThread;
  94 }
  95
  96 FORCEINLINE
  97 VOID
  98 KiRundownThread(IN PKTHREAD Thread)
  99 {
 100     /* FIXME */
 101 }
 102
 103 #ifdef _NTOSKRNL_ /* FIXME: Move flags above to NDK instead of here */
 104 VOID
 105 NTAPI
 106 KiThreadStartup(PKSYSTEM_ROUTINE SystemRoutine,
 107                 PKSTART_ROUTINE StartRoutine,
 108                 PVOID StartContext,
 109                 BOOLEAN UserThread,
 110                 KTRAP_FRAME TrapFrame);
 111 #endif
 112
 113 #endif /* __ASM__ */
 114
 115 /* EOF */