reactos/ntoskrnl/include/internal/i386/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
  16  *  along with this program; if not, write to the Free Software
  17  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18  */
  19 #ifndef __NTOSKRNL_INCLUDE_INTERNAL_I386_KE_H
  20 #define __NTOSKRNL_INCLUDE_INTERNAL_I386_KE_H
  21
  22 #if __GNUC__ >=3
  23 #pragma GCC system_header
  24 #endif
  25
  26 #define KTRAP_FRAME_DEBUGEBP     (0x0)
  27 #define KTRAP_FRAME_DEBUGEIP     (0x4)
  28 #define KTRAP_FRAME_DEBUGARGMARK (0x8)
  29 #define KTRAP_FRAME_DEBUGPOINTER (0xC)
  30 #define KTRAP_FRAME_TEMPCS       (0x10)
  31 #define KTRAP_FRAME_TEMPEIP      (0x14)
  32 #define KTRAP_FRAME_DR0          (0x18)
  33 #define KTRAP_FRAME_DR1          (0x1C)
  34 #define KTRAP_FRAME_DR2          (0x20)
  35 #define KTRAP_FRAME_DR3          (0x24)
  36 #define KTRAP_FRAME_DR6          (0x28)
  37 #define KTRAP_FRAME_DR7          (0x2C)
  38 #define KTRAP_FRAME_GS           (0x30)
  39 #define KTRAP_FRAME_RESERVED1    (0x32)
  40 #define KTRAP_FRAME_ES           (0x34)
  41 #define KTRAP_FRAME_RESERVED2    (0x36)
  42 #define KTRAP_FRAME_DS           (0x38)
  43 #define KTRAP_FRAME_RESERVED3    (0x3A)
  44 #define KTRAP_FRAME_EDX          (0x3C)
  45 #define KTRAP_FRAME_ECX          (0x40)
  46 #define KTRAP_FRAME_EAX          (0x44)
  47 #define KTRAP_FRAME_PREVIOUS_MODE (0x48)
  48 #define KTRAP_FRAME_EXCEPTION_LIST (0x4C)
  49 #define KTRAP_FRAME_FS             (0x50)
  50 #define KTRAP_FRAME_RESERVED4      (0x52)
  51 #define KTRAP_FRAME_EDI            (0x54)
  52 #define KTRAP_FRAME_ESI            (0x58)
  53 #define KTRAP_FRAME_EBX            (0x5C)
  54 #define KTRAP_FRAME_EBP            (0x60)
  55 #define KTRAP_FRAME_ERROR_CODE     (0x64)
  56 #define KTRAP_FRAME_EIP            (0x68)
  57 #define KTRAP_FRAME_CS             (0x6C)
  58 #define KTRAP_FRAME_EFLAGS         (0x70)
  59 #define KTRAP_FRAME_ESP            (0x74)
  60 #define KTRAP_FRAME_SS             (0x78)
  61 #define KTRAP_FRAME_RESERVED5      (0x7A)
  62 #define KTRAP_FRAME_V86_ES         (0x7C)
  63 #define KTRAP_FRAME_RESERVED6      (0x7E)
  64 #define KTRAP_FRAME_V86_DS         (0x80)
  65 #define KTRAP_FRAME_RESERVED7      (0x82)
  66 #define KTRAP_FRAME_V86_FS         (0x84)
  67 #define KTRAP_FRAME_RESERVED8      (0x86)
  68 #define KTRAP_FRAME_V86_GS         (0x88)
  69 #define KTRAP_FRAME_RESERVED9      (0x8A)
  70 #define KTRAP_FRAME_SIZE           (0x8C)
  71
  72 #define X86_EFLAGS_IF           0x00000200 /* Interrupt Enable flag */
  73 #define X86_EFLAGS_IOPL         0x00003000 /* I/O Privilege Level bits */
  74 #define X86_EFLAGS_NT           0x00004000 /* Nested Task flag */
  75 #define X86_EFLAGS_VM           0x00020000 /* Virtual Mode */
  76 #define X86_EFLAGS_ID           0x00200000 /* CPUID detection flag */
  77
  78 #define X86_CR0_PE              0x00000001 /* enable Protected Mode */
  79 #define X86_CR0_NE              0x00000020 /* enable native FPU error reporting */
  80 #define X86_CR0_TS              0x00000008 /* enable exception on FPU instruction for task switch */
  81 #define X86_CR0_EM              0x00000004 /* enable FPU emulation (disable FPU) */
  82 #define X86_CR0_MP              0x00000002 /* enable FPU monitoring */
  83 #define X86_CR0_WP              0x00010000 /* enable Write Protect (copy on write) */
  84 #define X86_CR0_PG              0x80000000 /* enable Paging */
  85
  86 #define X86_CR4_PAE             0x00000020 /* enable physical address extensions */
  87 #define X86_CR4_PGE             0x00000080 /* enable global pages */
  88 #define X86_CR4_OSFXSR          0x00000200 /* enable FXSAVE/FXRSTOR instructions */
  89 #define X86_CR4_OSXMMEXCPT      0x00000400 /* enable #XF exception */
  90
  91 #define X86_FEATURE_TSC         0x00000010 /* time stamp counters are present */
  92 #define X86_FEATURE_PAE         0x00000040 /* physical address extension is present */
  93 #define X86_FEATURE_CX8         0x00000100 /* CMPXCHG8B instruction present */
  94 #define X86_FEATURE_SYSCALL     0x00000800 /* SYSCALL/SYSRET support present */
  95 #define X86_FEATURE_PGE         0x00002000 /* Page Global Enable */
  96 #define X86_FEATURE_MMX         0x00800000 /* MMX extension present */
  97 #define X86_FEATURE_FXSR        0x01000000 /* FXSAVE/FXRSTOR instructions present */
  98 #define X86_FEATURE_SSE         0x02000000 /* SSE extension present */
  99 #define X86_FEATURE_SSE2        0x04000000 /* SSE2 extension present */
 100
 101 #define X86_EXT_FEATURE_SSE3    0x00000001 /* SSE3 extension present */
 102 #define X86_EXT_FEATURE_3DNOW   0x40000000 /* 3DNOW! extension present */
 103
 104 /* Possible values for KTHREAD's NpxState */
 105 #define NPX_STATE_INVALID   0x01
 106 #define NPX_STATE_VALID     0x02
 107 #define NPX_STATE_DIRTY     0x04
 108
 109 #ifndef __ASM__
 110
 111 typedef struct _KTRAP_FRAME
 112 {
 113    PVOID DebugEbp;
 114    PVOID DebugEip;
 115    PVOID DebugArgMark;
 116    PVOID DebugPointer;
 117    PVOID TempCs;
 118    PVOID TempEip;
 119    ULONG Dr0;
 120    ULONG Dr1;
 121    ULONG Dr2;
 122    ULONG Dr3;
 123    ULONG Dr6;
 124    ULONG Dr7;
 125    USHORT Gs;
 126    USHORT Reserved1;
 127    USHORT Es;
 128    USHORT Reserved2;
 129    USHORT Ds;
 130    USHORT Reserved3;
 131    ULONG Edx;
 132    ULONG Ecx;
 133    ULONG Eax;
 134    ULONG PreviousMode;
 135    PVOID ExceptionList;
 136    USHORT Fs;
 137    USHORT Reserved4;
 138    ULONG Edi;
 139    ULONG Esi;
 140    ULONG Ebx;
 141    ULONG Ebp;
 142    ULONG ErrorCode;
 143    ULONG Eip;
 144    ULONG Cs;
 145    ULONG Eflags;
 146    ULONG Esp;
 147    USHORT Ss;
 148    USHORT Reserved5;
 149    USHORT V86_Es;
 150    USHORT Reserved6;
 151    USHORT V86_Ds;
 152    USHORT Reserved7;
 153    USHORT V86_Fs;
 154    USHORT Reserved8;
 155    USHORT V86_Gs;
 156    USHORT Reserved9;
 157 } KTRAP_FRAME, *PKTRAP_FRAME;
 158
 159 typedef struct _KIRQ_TRAPFRAME
 160 {
 161    ULONG Magic;
 162    ULONG Gs;
 163    ULONG Fs;
 164    ULONG Es;
 165    ULONG Ds;
 166    ULONG Eax;
 167    ULONG Ecx;
 168    ULONG Edx;
 169    ULONG Ebx;
 170    ULONG Esp;
 171    ULONG Ebp;
 172    ULONG Esi;
 173    ULONG Edi;
 174    ULONG Eip;
 175    ULONG Cs;
 176    ULONG Eflags;
 177 } KIRQ_TRAPFRAME, *PKIRQ_TRAPFRAME;
 178
 179 extern ULONG Ke386CacheAlignment;
 180
 181 struct _KPCR;
 182 VOID
 183 KiInitializeGdt(struct _KPCR* Pcr);
 184 VOID
 185 Ki386ApplicationProcessorInitializeTSS(VOID);
 186 VOID
 187 Ki386BootInitializeTSS(VOID);
 188 VOID
 189 KiGdtPrepareForApplicationProcessorInit(ULONG Id);
 190 VOID
 191 Ki386InitializeLdt(VOID);
 192 VOID
 193 Ki386SetProcessorFeatures(VOID);
 194 ULONG KeAllocateGdtSelector(ULONG Desc[2]);
 195 VOID KeFreeGdtSelector(ULONG Entry);
 196 VOID
 197 NtEarlyInitVdm(VOID);
 198
 199 #ifdef CONFIG_SMP
 200 #define LOCK "lock ; "
 201 #else
 202 #define LOCK ""
 203 #endif
 204
 205
 206 #if defined(__GNUC__)
 207 #define Ke386DisableInterrupts() __asm__("cli\n\t");
 208 #define Ke386EnableInterrupts()  __asm__("sti\n\t");
 209 #define Ke386HaltProcessor()     __asm__("hlt\n\t");
 210 #define Ke386GetPageTableDirectory(X) \
 211                                  __asm__("movl %%cr3,%0\n\t" : "=d" (X));
 212 #define Ke386SetPageTableDirectory(X) \
 213                                  __asm__("movl %0,%%cr3\n\t" \
 214                                      : /* no outputs */ \
 215                                      : "r" (X));
 216 #define Ke386SetFileSelector(X) \
 217                                  __asm__("movl %0,%%cr3\n\t" \
 218                                      : /* no outputs */ \
 219                                      : "r" (X));
 220 #define Ke386SetLocalDescriptorTable(X) \
 221                                  __asm__("lldt %0\n\t" \
 222                                      : /* no outputs */ \
 223                                      : "m" (X));
 224 #define Ke386SetGlobalDescriptorTable(X) \
 225                                  __asm__("lgdt %0\n\t" \
 226                                      : /* no outputs */ \
 227                                      : "m" (X));
 228 #define Ke386SaveFlags(x)        __asm__ __volatile__("pushfl ; popl %0":"=g" (x): /* no input */)
 229 #define Ke386RestoreFlags(x)     __asm__ __volatile__("pushl %0 ; popfl": /* no output */ :"g" (x):"memory")
 230
 231 #define _Ke386GetCr(N)           ({ \
 232                                      unsigned int __d; \
 233                                      __asm__("movl %%cr" #N ",%0\n\t" :"=r" (__d)); \
 234                                      __d; \
 235                                  })
 236 #define _Ke386SetCr(N,X)         __asm__ __volatile__("movl %0,%%cr" #N : :"r" (X));
 237
 238 #define Ke386GetCr0()            _Ke386GetCr(0)
 239 #define Ke386SetCr0(X)           _Ke386SetCr(0,X)
 240 #define Ke386GetCr2()            _Ke386GetCr(2)
 241 #define Ke386SetCr2(X)           _Ke386SetCr(2,X)
 242 #define Ke386GetCr4()            _Ke386GetCr(4)
 243 #define Ke386SetCr4(X)           _Ke386SetCr(4,X)
 244
 245 static inline LONG Ke386TestAndClearBit(ULONG BitPos, volatile PULONG Addr)
 246 {
 247         LONG OldBit;
 248
 249         __asm__ __volatile__(LOCK
 250                              "btrl %2,%1\n\t"
 251                              "sbbl %0,%0\n\t"
 252                              :"=r" (OldBit),"=m" (*Addr)
 253                              :"Ir" (BitPos)
 254                              : "memory");
 255         return OldBit;
 256 }
 257
 258 static inline LONG Ke386TestAndSetBit(ULONG BitPos, volatile PULONG Addr)
 259 {
 260         LONG OldBit;
 261
 262         __asm__ __volatile__(LOCK
 263                              "btsl %2,%1\n\t"
 264                              "sbbl %0,%0\n\t"
 265                              :"=r" (OldBit),"=m" (*Addr)
 266                              :"Ir" (BitPos)
 267                              : "memory");
 268         return OldBit;
 269 }
 270
 271
 272 static inline void Ki386Cpuid(ULONG Op, PULONG Eax, PULONG Ebx, PULONG Ecx, PULONG Edx)
 273 {
 274     __asm__("cpuid"
 275             : "=a" (*Eax), "=b" (*Ebx), "=c" (*Ecx), "=d" (*Edx)
 276             : "0" (Op));
 277 }
 278
 279 #define Ke386Rdmsr(msr,val1,val2) __asm__ __volatile__("rdmsr" : "=a" (val1), "=d" (val2) : "c" (msr))
 280
 281 #define Ke386Wrmsr(msr,val1,val2) __asm__ __volatile__("wrmsr" : /* no outputs */ : "c" (msr), "a" (val1), "d" (val2))
 282
 283
 284 #elif defined(_MSC_VER)
 285
 286 #define Ke386DisableInterrupts() __asm cli
 287 #define Ke386EnableInterrupts()  __asm sti
 288 #define Ke386HaltProcessor()     __asm hlt
 289 #define Ke386GetPageTableDirectory(X) \
 290                                 __asm mov eax, cr3; \
 291                                 __asm mov X, eax;
 292 #define Ke386SetPageTableDirectory(X) \
 293                                 __asm mov eax, X; \
 294                                 __asm mov cr3, eax;
 295 #else
 296 #error Unknown compiler for inline assembler
 297 #endif
 298
 299 #endif /* __ASM__ */
 300
 301 #endif /* __NTOSKRNL_INCLUDE_INTERNAL_I386_KE_H */
 302
 303 /* EOF */