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 X86_FEATURE_TSC         0x00000010 /* 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 /* Possible values for KTHREAD's NpxState */
  44 #define NPX_STATE_INVALID   0x01
  45 #define NPX_STATE_VALID     0x02
  46 #define NPX_STATE_DIRTY     0x04
  47
  48 #ifndef __ASM__
  49
  50 typedef struct _KIRQ_TRAPFRAME
  51 {
  52    ULONG Magic;
  53    ULONG Gs;
  54    ULONG Fs;
  55    ULONG Es;
  56    ULONG Ds;
  57    ULONG Eax;
  58    ULONG Ecx;
  59    ULONG Edx;
  60    ULONG Ebx;
  61    ULONG Esp;
  62    ULONG Ebp;
  63    ULONG Esi;
  64    ULONG Edi;
  65    ULONG Eip;
  66    ULONG Cs;
  67    ULONG Eflags;
  68 } KIRQ_TRAPFRAME, *PKIRQ_TRAPFRAME;
  69
  70 extern ULONG Ke386CacheAlignment;
  71
  72 struct _KPCR;
  73 VOID
  74 KiInitializeGdt(struct _KPCR* Pcr);
  75 VOID
  76 Ki386ApplicationProcessorInitializeTSS(VOID);
  77 VOID
  78 Ki386BootInitializeTSS(VOID);
  79 VOID
  80 KiGdtPrepareForApplicationProcessorInit(ULONG Id);
  81 VOID
  82 Ki386InitializeLdt(VOID);
  83 VOID
  84 Ki386SetProcessorFeatures(VOID);
  85 ULONG KeAllocateGdtSelector(ULONG Desc[2]);
  86 VOID KeFreeGdtSelector(ULONG Entry);
  87 VOID
  88 NtEarlyInitVdm(VOID);
  89 VOID
  90 KeApplicationProcessorInitDispatcher(VOID);
  91 VOID
  92 KeCreateApplicationProcessorIdleThread(ULONG Id);
  93
  94 typedef
  95 VOID
  96 (STDCALL*PKSYSTEM_ROUTINE)(PKSTART_ROUTINE StartRoutine,
  97                     PVOID StartContext);
  98
  99 VOID
 100 STDCALL
 101 Ke386InitThreadWithContext(PKTHREAD Thread,
 102                            PKSYSTEM_ROUTINE SystemRoutine,
 103                            PKSTART_ROUTINE StartRoutine,
 104                            PVOID StartContext,
 105                            PCONTEXT Context);
 106
 107 #ifdef _NTOSKRNL_ /* FIXME: Move flags above to NDK instead of here */
 108 VOID
 109 STDCALL
 110 KiThreadStartup(PKSYSTEM_ROUTINE SystemRoutine,
 111                 PKSTART_ROUTINE StartRoutine,
 112                 PVOID StartContext,
 113                 BOOLEAN UserThread,
 114                 KTRAP_FRAME TrapFrame);
 115 #endif
 116
 117 #ifdef CONFIG_SMP
 118 #define LOCK "lock ; "
 119 #else
 120 #define LOCK ""
 121 #define KeGetCurrentIrql() (((PKPCR)KPCR_BASE)->Irql)
 122 #endif
 123
 124 #if defined(__GNUC__)
 125 #define Ke386DisableInterrupts() __asm__("cli\n\t");
 126 #define Ke386EnableInterrupts()  __asm__("sti\n\t");
 127 #define Ke386HaltProcessor()     __asm__("hlt\n\t");
 128 #define Ke386GetPageTableDirectory(X) \
 129                                  __asm__("movl %%cr3,%0\n\t" : "=d" (X));
 130 #define Ke386SetPageTableDirectory(X) \
 131                                  __asm__("movl %0,%%cr3\n\t" \
 132                                      : /* no outputs */ \
 133                                      : "r" (X));
 134 #define Ke386SetFileSelector(X) \
 135                                  __asm__("movl %0,%%cr3\n\t" \
 136                                      : /* no outputs */ \
 137                                      : "r" (X));
 138 #define Ke386SetLocalDescriptorTable(X) \
 139                                  __asm__("lldt %0\n\t" \
 140                                      : /* no outputs */ \
 141                                      : "m" (X));
 142 #define Ke386SetGlobalDescriptorTable(X) \
 143                                  __asm__("lgdt %0\n\t" \
 144                                      : /* no outputs */ \
 145                                      : "m" (X));
 146 #define Ke386SaveFlags(x)        __asm__ __volatile__("pushfl ; popl %0":"=g" (x): /* no input */)
 147 #define Ke386RestoreFlags(x)     __asm__ __volatile__("pushl %0 ; popfl": /* no output */ :"g" (x):"memory")
 148
 149 #define _Ke386GetCr(N)           ({ \
 150                                      unsigned int __d; \
 151                                      __asm__("movl %%cr" #N ",%0\n\t" :"=r" (__d)); \
 152                                      __d; \
 153                                  })
 154 #define _Ke386SetCr(N,X)         __asm__ __volatile__("movl %0,%%cr" #N : :"r" (X));
 155
 156 #define Ke386GetCr0()            _Ke386GetCr(0)
 157 #define Ke386SetCr0(X)           _Ke386SetCr(0,X)
 158 #define Ke386GetCr2()            _Ke386GetCr(2)
 159 #define Ke386SetCr2(X)           _Ke386SetCr(2,X)
 160 #define Ke386GetCr4()            _Ke386GetCr(4)
 161 #define Ke386SetCr4(X)           _Ke386SetCr(4,X)
 162
 163 static inline LONG Ke386TestAndClearBit(ULONG BitPos, volatile PULONG Addr)
 164 {
 165         LONG OldBit;
 166
 167         __asm__ __volatile__(LOCK
 168                              "btrl %2,%1\n\t"
 169                              "sbbl %0,%0\n\t"
 170                              :"=r" (OldBit),"=m" (*Addr)
 171                              :"Ir" (BitPos)
 172                              : "memory");
 173         return OldBit;
 174 }
 175
 176 static inline LONG Ke386TestAndSetBit(ULONG BitPos, volatile PULONG Addr)
 177 {
 178         LONG OldBit;
 179
 180         __asm__ __volatile__(LOCK
 181                              "btsl %2,%1\n\t"
 182                              "sbbl %0,%0\n\t"
 183                              :"=r" (OldBit),"=m" (*Addr)
 184                              :"Ir" (BitPos)
 185                              : "memory");
 186         return OldBit;
 187 }
 188
 189
 190 static inline void Ki386Cpuid(ULONG Op, PULONG Eax, PULONG Ebx, PULONG Ecx, PULONG Edx)
 191 {
 192     __asm__("cpuid"
 193             : "=a" (*Eax), "=b" (*Ebx), "=c" (*Ecx), "=d" (*Edx)
 194             : "0" (Op));
 195 }
 196
 197 #define Ke386Rdmsr(msr,val1,val2) __asm__ __volatile__("rdmsr" : "=a" (val1), "=d" (val2) : "c" (msr))
 198
 199 #define Ke386Wrmsr(msr,val1,val2) __asm__ __volatile__("wrmsr" : /* no outputs */ : "c" (msr), "a" (val1), "d" (val2))
 200
 201
 202 #elif defined(_MSC_VER)
 203
 204 #define Ke386DisableInterrupts() __asm cli
 205 #define Ke386EnableInterrupts()  __asm sti
 206 #define Ke386HaltProcessor()     __asm hlt
 207 #define Ke386GetPageTableDirectory(X) \
 208                                 __asm mov eax, cr3; \
 209                                 __asm mov X, eax;
 210 #define Ke386SetPageTableDirectory(X) \
 211                                 __asm mov eax, X; \
 212                                 __asm mov cr3, eax;
 213 #else
 214 #error Unknown compiler for inline assembler
 215 #endif
 216
 217 #endif
 218 #endif /* __NTOSKRNL_INCLUDE_INTERNAL_I386_KE_H */
 219
 220 /* EOF */