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 KD_BREAKPOINT_TYPE
  39 //#define KD_BREAKPOINT_SIZE
  40 //#define KD_BREAKPOINT_VALUE
  41
  42 //
  43 // Macro to get the second level cache size field name which differs between
  44 // CISC and RISC architectures, as the former has unified I/D cache
  45 //
  46 #define KiGetSecondLevelDCacheSize() ((PKIPCR)KeGetPcr())->SecondLevelDcacheSize
  47
  48 //
  49 // Macros for getting and setting special purpose registers in portable code
  50 //
  51 #define KeGetContextPc(Context) \
  52     ((Context)->Dr0)
  53
  54 #define KeSetContextPc(Context, ProgramCounter) \
  55     ((Context)->Dr0 = (ProgramCounter))
  56
  57 #define KeGetTrapFramePc(TrapFrame) \
  58     ((TrapFrame)->Dr0)
  59
  60 #define KeGetContextReturnRegister(Context) \
  61     ((Context)->Gpr3)
  62
  63 #define KeSetContextReturnRegister(Context, ReturnValue) \
  64     ((Context)->Gpr3 = (ReturnValue))
  65
  66 //
  67 // Returns the Interrupt State from a Trap Frame.
  68 // ON = TRUE, OFF = FALSE
  69 //
  70 //#define KeGetTrapFrameInterruptState(TrapFrame) \
  71
  72 #define KePPCRdmsr(msr,val1,val2) __asm__ __volatile__("mfmsr 3")
  73
  74 #define KePPCWrmsr(msr,val1,val2) __asm__ __volatile__("mtmsr 3")
  75
  76 #define PPC_MIN_CACHE_LINE_SIZE 32
  77
  78 FORCEINLINE struct _KPCR * NTHALAPI KeGetCurrentKPCR(
  79     VOID)
  80 {
  81     return (struct _KPCR *)__readfsdword(0x1c);
  82 }
  83
  84 FORCEINLINE
  85 VOID
  86 KeFlushProcessTb(VOID)
  87 {
  88     /* Flush the TLB */
  89     __asm__("sync\n\tisync\n\t");
  90 }
  91
  92 FORCEINLINE
  93 PRKTHREAD
  94 KeGetCurrentThread(VOID)
  95 {
  96     /* Return the current thread */
  97     return KeGetCurrentPrcb()->CurrentThread;
  98 }
  99
 100 FORCEINLINE
 101 VOID
 102 KiRundownThread(IN PKTHREAD Thread)
 103 {
 104     /* FIXME */
 105 }
 106
 107 #ifdef _NTOSKRNL_ /* FIXME: Move flags above to NDK instead of here */
 108 VOID
 109 NTAPI
 110 KiThreadStartup(PKSYSTEM_ROUTINE SystemRoutine,
 111                 PKSTART_ROUTINE StartRoutine,
 112                 PVOID StartContext,
 113                 BOOLEAN UserThread,
 114                 KTRAP_FRAME TrapFrame);
 115 #endif
 116
 117 #endif /* __ASM__ */
 118
 119 /* EOF */