reactos/ntoskrnl/include/internal/i386/ke.h

   1 #ifndef __NTOSKRNL_INCLUDE_INTERNAL_I386_KE_H
   2 #define __NTOSKRNL_INCLUDE_INTERNAL_I386_KE_H
   3
   4 #if __GNUC__ >=3
   5 #pragma GCC system_header
   6 #endif
   7
   8 #define X86_EFLAGS_TF           0x00000100 /* Trap flag */
   9 #define X86_EFLAGS_IF           0x00000200 /* Interrupt Enable flag */
  10 #define X86_EFLAGS_IOPL         0x00003000 /* I/O Privilege Level bits */
  11 #define X86_EFLAGS_NT           0x00004000 /* Nested Task flag */
  12 #define X86_EFLAGS_RF           0x00010000 /* Resume flag */
  13 #define X86_EFLAGS_VM           0x00020000 /* Virtual Mode */
  14 #define X86_EFLAGS_ID           0x00200000 /* CPUID detection flag */
  15
  16 #define X86_CR0_PE              0x00000001 /* enable Protected Mode */
  17 #define X86_CR0_NE              0x00000020 /* enable native FPU error reporting */
  18 #define X86_CR0_TS              0x00000008 /* enable exception on FPU instruction for task switch */
  19 #define X86_CR0_EM              0x00000004 /* enable FPU emulation (disable FPU) */
  20 #define X86_CR0_MP              0x00000002 /* enable FPU monitoring */
  21 #define X86_CR0_WP              0x00010000 /* enable Write Protect (copy on write) */
  22 #define X86_CR0_PG              0x80000000 /* enable Paging */
  23
  24 #define X86_CR4_PAE             0x00000020 /* enable physical address extensions */
  25 #define X86_CR4_PGE             0x00000080 /* enable global pages */
  26 #define X86_CR4_OSFXSR          0x00000200 /* enable FXSAVE/FXRSTOR instructions */
  27 #define X86_CR4_OSXMMEXCPT      0x00000400 /* enable #XF exception */
  28
  29 #define KF_RDTSC                0x00000002 /* time stamp counters are present */
  30 #define X86_FEATURE_PAE         0x00000040 /* physical address extension is present */
  31 #define X86_FEATURE_CX8         0x00000100 /* CMPXCHG8B instruction present */
  32 #define X86_FEATURE_SYSCALL     0x00000800 /* SYSCALL/SYSRET support present */
  33 #define X86_FEATURE_PGE         0x00002000 /* Page Global Enable */
  34 #define X86_FEATURE_MMX         0x00800000 /* MMX extension present */
  35 #define X86_FEATURE_FXSR        0x01000000 /* FXSAVE/FXRSTOR instructions present */
  36 #define X86_FEATURE_SSE         0x02000000 /* SSE extension present */
  37 #define X86_FEATURE_SSE2        0x04000000 /* SSE2 extension present */
  38 #define X86_FEATURE_HT          0x10000000 /* Hyper-Threading present */
  39
  40 #define X86_EXT_FEATURE_SSE3    0x00000001 /* SSE3 extension present */
  41 #define X86_EXT_FEATURE_3DNOW   0x40000000 /* 3DNOW! extension present */
  42
  43 #define DR7_ACTIVE              0x00000055  /* If any of these bits are set, a Dr is active */
  44
  45 /* Possible values for KTHREAD's NpxState */
  46 #define NPX_STATE_INVALID   0x01
  47 #define NPX_STATE_VALID     0x02
  48 #define NPX_STATE_DIRTY     0x04
  49
  50 #define FRAME_EDITED        0xFFF8
  51
  52 #ifndef __ASM__
  53
  54 extern ULONG Ke386CacheAlignment;
  55
  56 struct _KPCR;
  57 VOID
  58 KiInitializeGdt(struct _KPCR* Pcr);
  59 VOID
  60 Ki386ApplicationProcessorInitializeTSS(VOID);
  61 VOID
  62 Ki386BootInitializeTSS(VOID);
  63 VOID
  64 KiGdtPrepareForApplicationProcessorInit(ULONG Id);
  65 VOID
  66 Ki386InitializeLdt(VOID);
  67 VOID
  68 Ki386SetProcessorFeatures(VOID);
  69 ULONG KeAllocateGdtSelector(ULONG Desc[2]);
  70 VOID KeFreeGdtSelector(ULONG Entry);
  71 VOID
  72 NtEarlyInitVdm(VOID);
  73 VOID
  74 KeApplicationProcessorInitDispatcher(VOID);
  75 VOID
  76 KeCreateApplicationProcessorIdleThread(ULONG Id);
  77
  78 typedef
  79 VOID
  80 (STDCALL*PKSYSTEM_ROUTINE)(PKSTART_ROUTINE StartRoutine,
  81                     PVOID StartContext);
  82
  83 VOID
  84 STDCALL
  85 Ke386InitThreadWithContext(PKTHREAD Thread,
  86                            PKSYSTEM_ROUTINE SystemRoutine,
  87                            PKSTART_ROUTINE StartRoutine,
  88                            PVOID StartContext,
  89                            PCONTEXT Context);
  90
  91 #ifdef _NTOSKRNL_ /* FIXME: Move flags above to NDK instead of here */
  92 VOID
  93 STDCALL
  94 KiThreadStartup(PKSYSTEM_ROUTINE SystemRoutine,
  95                 PKSTART_ROUTINE StartRoutine,
  96                 PVOID StartContext,
  97                 BOOLEAN UserThread,
  98                 KTRAP_FRAME TrapFrame);
  99 #endif
 100
 101 #ifdef CONFIG_SMP
 102 #define LOCK "lock ; "
 103 #else
 104 #define LOCK ""
 105 #define KeGetCurrentIrql() (((PKPCR)KPCR_BASE)->Irql)
 106 #endif
 107
 108 #if defined(__GNUC__)
 109 #define Ke386DisableInterrupts() __asm__("cli\n\t");
 110 #define Ke386EnableInterrupts()  __asm__("sti\n\t");
 111 #define Ke386HaltProcessor()     __asm__("hlt\n\t");
 112 #define Ke386GetPageTableDirectory(X) \
 113                                  __asm__("movl %%cr3,%0\n\t" : "=d" (X));
 114 #define Ke386SetPageTableDirectory(X) \
 115                                  __asm__("movl %0,%%cr3\n\t" \
 116                                      : /* no outputs */ \
 117                                      : "r" (X));
 118 #define Ke386SetFileSelector(X) \
 119                                  __asm__("movl %0,%%cr3\n\t" \
 120                                      : /* no outputs */ \
 121                                      : "r" (X));
 122 #define Ke386SetLocalDescriptorTable(X) \
 123                                  __asm__("lldt %0\n\t" \
 124                                      : /* no outputs */ \
 125                                      : "m" (X));
 126 #define Ke386SetGlobalDescriptorTable(X) \
 127                                  __asm__("lgdt %0\n\t" \
 128                                      : /* no outputs */ \
 129                                      : "m" (X));
 130 #define Ke386SaveFlags(x)        __asm__ __volatile__("pushfl ; popl %0":"=g" (x): /* no input */)
 131 #define Ke386RestoreFlags(x)     __asm__ __volatile__("pushl %0 ; popfl": /* no output */ :"g" (x):"memory")
 132
 133 #define _Ke386GetCr(N)           ({ \
 134                                      unsigned int __d; \
 135                                      __asm__("movl %%cr" #N ",%0\n\t" :"=r" (__d)); \
 136                                      __d; \
 137                                  })
 138 #define _Ke386SetCr(N,X)         __asm__ __volatile__("movl %0,%%cr" #N : :"r" (X));
 139
 140 #define Ke386GetCr0()            _Ke386GetCr(0)
 141 #define Ke386SetCr0(X)           _Ke386SetCr(0,X)
 142 #define Ke386GetCr2()            _Ke386GetCr(2)
 143 #define Ke386SetCr2(X)           _Ke386SetCr(2,X)
 144 #define Ke386GetCr4()            _Ke386GetCr(4)
 145 #define Ke386SetCr4(X)           _Ke386SetCr(4,X)
 146
 147 static inline LONG Ke386TestAndClearBit(ULONG BitPos, volatile PULONG Addr)
 148 {
 149         LONG OldBit;
 150
 151         __asm__ __volatile__(LOCK
 152                              "btrl %2,%1\n\t"
 153                              "sbbl %0,%0\n\t"
 154                              :"=r" (OldBit),"=m" (*Addr)
 155                              :"Ir" (BitPos)
 156                              : "memory");
 157         return OldBit;
 158 }
 159
 160 static inline LONG Ke386TestAndSetBit(ULONG BitPos, volatile PULONG Addr)
 161 {
 162         LONG OldBit;
 163
 164         __asm__ __volatile__(LOCK
 165                              "btsl %2,%1\n\t"
 166                              "sbbl %0,%0\n\t"
 167                              :"=r" (OldBit),"=m" (*Addr)
 168                              :"Ir" (BitPos)
 169                              : "memory");
 170         return OldBit;
 171 }
 172
 173
 174 static inline void Ki386Cpuid(ULONG Op, PULONG Eax, PULONG Ebx, PULONG Ecx, PULONG Edx)
 175 {
 176     __asm__("cpuid"
 177             : "=a" (*Eax), "=b" (*Ebx), "=c" (*Ecx), "=d" (*Edx)
 178             : "0" (Op));
 179 }
 180
 181 #define Ke386Rdmsr(msr,val1,val2) __asm__ __volatile__("rdmsr" : "=a" (val1), "=d" (val2) : "c" (msr))
 182
 183 #define Ke386Wrmsr(msr,val1,val2) __asm__ __volatile__("wrmsr" : /* no outputs */ : "c" (msr), "a" (val1), "d" (val2))
 184
 185
 186 #elif defined(_MSC_VER)
 187
 188 #define Ke386DisableInterrupts() __asm cli
 189 #define Ke386EnableInterrupts()  __asm sti
 190 #define Ke386HaltProcessor()     __asm hlt
 191 #define Ke386GetPageTableDirectory(X) \
 192                                 __asm mov eax, cr3; \
 193                                 __asm mov X, eax;
 194 static __forceinline void Ke386SetPageTableDirectory(ULONG X)
 195 {
 196     __asm mov eax, X
 197     __asm mov cr3, eax
 198 }
 199 #else
 200 #error Unknown compiler for inline assembler
 201 #endif
 202
 203 static __inline struct _KPCR * KeGetCurrentKPCR(
 204   VOID)
 205 {
 206   ULONG Value;
 207 #if defined(__GNUC__)
 208   __asm__ __volatile__ ("movl %%fs:0x1C, %0\n\t"
 209           : "=r" (Value)
 210     : /* no inputs */
 211   );
 212 #elif defined(_MSC_VER)
 213   __asm mov eax, fs:[1Ch]
 214   __asm mov [Value], eax
 215 #endif
 216   return (struct _KPCR *) Value;
 217 }
 218
 219 static __inline struct _KPRCB * KeGetCurrentPrcb(
 220   VOID)
 221 {
 222   ULONG Value;
 223 #if defined(__GNUC__)
 224   __asm__ __volatile__ ("movl %%fs:0x20, %0\n\t"
 225           : "=r" (Value)
 226     : /* no inputs */
 227   );
 228 #elif defined(_MSC_VER)
 229   __asm mov eax, fs:[20h]
 230   __asm mov [Value], eax
 231 #endif
 232   return (struct _KPRCB *) Value;
 233 }
 234
 235 #endif
 236 #endif /* __NTOSKRNL_INCLUDE_INTERNAL_I386_KE_H */
 237
 238 /* EOF */