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_TEMPSS       (0x10)
  31 #define KTRAP_FRAME_TEMPESP      (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_TF           0x00000100 /* Trap flag */
  73 #define X86_EFLAGS_IF           0x00000200 /* Interrupt Enable flag */
  74 #define X86_EFLAGS_IOPL         0x00003000 /* I/O Privilege Level bits */
  75 #define X86_EFLAGS_NT           0x00004000 /* Nested Task flag */
  76 #define X86_EFLAGS_RF           0x00010000 /* Resume flag */
  77 #define X86_EFLAGS_VM           0x00020000 /* Virtual Mode */
  78 #define X86_EFLAGS_ID           0x00200000 /* CPUID detection flag */
  79
  80 #define X86_CR0_PE              0x00000001 /* enable Protected Mode */
  81 #define X86_CR0_NE              0x00000020 /* enable native FPU error reporting */
  82 #define X86_CR0_TS              0x00000008 /* enable exception on FPU instruction for task switch */
  83 #define X86_CR0_EM              0x00000004 /* enable FPU emulation (disable FPU) */
  84 #define X86_CR0_MP              0x00000002 /* enable FPU monitoring */
  85 #define X86_CR0_WP              0x00010000 /* enable Write Protect (copy on write) */
  86 #define X86_CR0_PG              0x80000000 /* enable Paging */
  87
  88 #define X86_CR4_PAE             0x00000020 /* enable physical address extensions */
  89 #define X86_CR4_PGE             0x00000080 /* enable global pages */
  90 #define X86_CR4_OSFXSR          0x00000200 /* enable FXSAVE/FXRSTOR instructions */
  91 #define X86_CR4_OSXMMEXCPT      0x00000400 /* enable #XF exception */
  92
  93 #define X86_FEATURE_TSC         0x00000010 /* time stamp counters are present */
  94 #define X86_FEATURE_PAE         0x00000040 /* physical address extension is present */
  95 #define X86_FEATURE_CX8         0x00000100 /* CMPXCHG8B instruction present */
  96 #define X86_FEATURE_SYSCALL     0x00000800 /* SYSCALL/SYSRET support present */
  97 #define X86_FEATURE_PGE         0x00002000 /* Page Global Enable */
  98 #define X86_FEATURE_MMX         0x00800000 /* MMX extension present */
  99 #define X86_FEATURE_FXSR        0x01000000 /* FXSAVE/FXRSTOR instructions present */
 100 #define X86_FEATURE_SSE         0x02000000 /* SSE extension present */
 101 #define X86_FEATURE_SSE2        0x04000000 /* SSE2 extension present */
 102 #define X86_FEATURE_HT          0x10000000 /* Hyper-Threading present */
 103
 104 #define X86_EXT_FEATURE_SSE3    0x00000001 /* SSE3 extension present */
 105 #define X86_EXT_FEATURE_3DNOW   0x40000000 /* 3DNOW! extension present */
 106
 107 /* Possible values for KTHREAD's NpxState */
 108 #define NPX_STATE_INVALID   0x01
 109 #define NPX_STATE_VALID     0x02
 110 #define NPX_STATE_DIRTY     0x04
 111
 112 #ifndef __ASM__
 113
 114 typedef struct _KIRQ_TRAPFRAME
 115 {
 116    ULONG Magic;
 117    ULONG Gs;
 118    ULONG Fs;
 119    ULONG Es;
 120    ULONG Ds;
 121    ULONG Eax;
 122    ULONG Ecx;
 123    ULONG Edx;
 124    ULONG Ebx;
 125    ULONG Esp;
 126    ULONG Ebp;
 127    ULONG Esi;
 128    ULONG Edi;
 129    ULONG Eip;
 130    ULONG Cs;
 131    ULONG Eflags;
 132 } KIRQ_TRAPFRAME, *PKIRQ_TRAPFRAME;
 133
 134 typedef struct _KGDTENTRY {
 135     USHORT LimitLow;
 136     USHORT BaseLow;
 137     union {
 138         struct {
 139             UCHAR BaseMid;
 140             UCHAR Flags1;
 141             UCHAR Flags2;
 142             UCHAR BaseHi;
 143         } Bytes;
 144         struct {
 145             ULONG BaseMid       : 8;
 146             ULONG Type          : 5;
 147             ULONG Dpl           : 2;
 148             ULONG Pres          : 1;
 149             ULONG LimitHi       : 4;
 150             ULONG Sys           : 1;
 151             ULONG Reserved_0    : 1;
 152             ULONG Default_Big   : 1;
 153             ULONG Granularity   : 1;
 154             ULONG BaseHi        : 8;
 155         } Bits;
 156     } HighWord;
 157 } KGDTENTRY, *PKGDTENTRY;
 158
 159 typedef struct _KIDTENTRY {
 160     USHORT Offset;
 161     USHORT Selector;
 162     USHORT Access;
 163     USHORT ExtendedOffset;
 164 } KIDTENTRY, *PKIDTENTRY;
 165
 166 extern ULONG Ke386CacheAlignment;
 167
 168 struct _KPCR;
 169 VOID
 170 KiInitializeGdt(struct _KPCR* Pcr);
 171 VOID
 172 Ki386ApplicationProcessorInitializeTSS(VOID);
 173 VOID
 174 Ki386BootInitializeTSS(VOID);
 175 VOID
 176 KiGdtPrepareForApplicationProcessorInit(ULONG Id);
 177 VOID
 178 Ki386InitializeLdt(VOID);
 179 VOID
 180 Ki386SetProcessorFeatures(VOID);
 181 ULONG KeAllocateGdtSelector(ULONG Desc[2]);
 182 VOID KeFreeGdtSelector(ULONG Entry);
 183 VOID
 184 NtEarlyInitVdm(VOID);
 185 VOID
 186 KeApplicationProcessorInitDispatcher(VOID);
 187 VOID
 188 KeCreateApplicationProcessorIdleThread(ULONG Id);
 189
 190 typedef
 191 VOID
 192 (STDCALL*PKSYSTEM_ROUTINE)(PKSTART_ROUTINE StartRoutine,
 193                     PVOID StartContext);
 194
 195 VOID
 196 STDCALL
 197 Ke386InitThreadWithContext(PKTHREAD Thread,
 198                            PKSYSTEM_ROUTINE SystemRoutine,
 199                            PKSTART_ROUTINE StartRoutine,
 200                            PVOID StartContext,
 201                            PCONTEXT Context);
 202
 203 #ifdef _NTOSKRNL_ /* FIXME: Move flags above to NDK instead of here */
 204 VOID
 205 STDCALL
 206 KiThreadStartup(PKSYSTEM_ROUTINE SystemRoutine,
 207                 PKSTART_ROUTINE StartRoutine,
 208                 PVOID StartContext,
 209                 BOOLEAN UserThread,
 210                 KTRAP_FRAME TrapFrame);
 211 #endif
 212
 213 #ifdef CONFIG_SMP
 214 #define LOCK "lock ; "
 215 #else
 216 #define LOCK ""
 217 #define KeGetCurrentIrql() (((PKPCR)KPCR_BASE)->Irql)
 218 #endif
 219
 220 #if defined(__GNUC__)
 221 #define Ke386DisableInterrupts() __asm__("cli\n\t");
 222 #define Ke386EnableInterrupts()  __asm__("sti\n\t");
 223 #define Ke386HaltProcessor()     __asm__("hlt\n\t");
 224 #define Ke386GetPageTableDirectory(X) \
 225                                  __asm__("movl %%cr3,%0\n\t" : "=d" (X));
 226 #define Ke386SetPageTableDirectory(X) \
 227                                  __asm__("movl %0,%%cr3\n\t" \
 228                                      : /* no outputs */ \
 229                                      : "r" (X));
 230 #define Ke386SetFileSelector(X) \
 231                                  __asm__("movl %0,%%cr3\n\t" \
 232                                      : /* no outputs */ \
 233                                      : "r" (X));
 234 #define Ke386SetLocalDescriptorTable(X) \
 235                                  __asm__("lldt %0\n\t" \
 236                                      : /* no outputs */ \
 237                                      : "m" (X));
 238 #define Ke386SetGlobalDescriptorTable(X) \
 239                                  __asm__("lgdt %0\n\t" \
 240                                      : /* no outputs */ \
 241                                      : "m" (X));
 242 #define Ke386SaveFlags(x)        __asm__ __volatile__("pushfl ; popl %0":"=g" (x): /* no input */)
 243 #define Ke386RestoreFlags(x)     __asm__ __volatile__("pushl %0 ; popfl": /* no output */ :"g" (x):"memory")
 244
 245 #define _Ke386GetCr(N)           ({ \
 246                                      unsigned int __d; \
 247                                      __asm__("movl %%cr" #N ",%0\n\t" :"=r" (__d)); \
 248                                      __d; \
 249                                  })
 250 #define _Ke386SetCr(N,X)         __asm__ __volatile__("movl %0,%%cr" #N : :"r" (X));
 251
 252 #define Ke386GetCr0()            _Ke386GetCr(0)
 253 #define Ke386SetCr0(X)           _Ke386SetCr(0,X)
 254 #define Ke386GetCr2()            _Ke386GetCr(2)
 255 #define Ke386SetCr2(X)           _Ke386SetCr(2,X)
 256 #define Ke386GetCr4()            _Ke386GetCr(4)
 257 #define Ke386SetCr4(X)           _Ke386SetCr(4,X)
 258
 259 static inline LONG Ke386TestAndClearBit(ULONG BitPos, volatile PULONG Addr)
 260 {
 261         LONG OldBit;
 262
 263         __asm__ __volatile__(LOCK
 264                              "btrl %2,%1\n\t"
 265                              "sbbl %0,%0\n\t"
 266                              :"=r" (OldBit),"=m" (*Addr)
 267                              :"Ir" (BitPos)
 268                              : "memory");
 269         return OldBit;
 270 }
 271
 272 static inline LONG Ke386TestAndSetBit(ULONG BitPos, volatile PULONG Addr)
 273 {
 274         LONG OldBit;
 275
 276         __asm__ __volatile__(LOCK
 277                              "btsl %2,%1\n\t"
 278                              "sbbl %0,%0\n\t"
 279                              :"=r" (OldBit),"=m" (*Addr)
 280                              :"Ir" (BitPos)
 281                              : "memory");
 282         return OldBit;
 283 }
 284
 285
 286 static inline void Ki386Cpuid(ULONG Op, PULONG Eax, PULONG Ebx, PULONG Ecx, PULONG Edx)
 287 {
 288     __asm__("cpuid"
 289             : "=a" (*Eax), "=b" (*Ebx), "=c" (*Ecx), "=d" (*Edx)
 290             : "0" (Op));
 291 }
 292
 293 #define Ke386Rdmsr(msr,val1,val2) __asm__ __volatile__("rdmsr" : "=a" (val1), "=d" (val2) : "c" (msr))
 294
 295 #define Ke386Wrmsr(msr,val1,val2) __asm__ __volatile__("wrmsr" : /* no outputs */ : "c" (msr), "a" (val1), "d" (val2))
 296
 297
 298 #elif defined(_MSC_VER)
 299
 300 #define Ke386DisableInterrupts() __asm cli
 301 #define Ke386EnableInterrupts()  __asm sti
 302 #define Ke386HaltProcessor()     __asm hlt
 303 #define Ke386GetPageTableDirectory(X) \
 304                                 __asm mov eax, cr3; \
 305                                 __asm mov X, eax;
 306 #define Ke386SetPageTableDirectory(X) \
 307                                 __asm mov eax, X; \
 308                                 __asm mov cr3, eax;
 309 #else
 310 #error Unknown compiler for inline assembler
 311 #endif
 312
 313 #endif /* __ASM__ */
 314
 315 #endif /* __NTOSKRNL_INCLUDE_INTERNAL_I386_KE_H */
 316
 317 /* EOF */