include/xdk/amd64/ke.h

   1 $if (_WDMDDK_)
   2 /** Kernel definitions for AMD64 **/
   3
   4 /* Interrupt request levels */
   5 #define PASSIVE_LEVEL           0
   6 #define LOW_LEVEL               0
   7 #define APC_LEVEL               1
   8 #define DISPATCH_LEVEL          2
   9 #define CMCI_LEVEL              5
  10 #define CLOCK_LEVEL             13
  11 #define IPI_LEVEL               14
  12 #define DRS_LEVEL               14
  13 #define POWER_LEVEL             14
  14 #define PROFILE_LEVEL           15
  15 #define HIGH_LEVEL              15
  16
  17 #define PAGE_SIZE               0x1000
  18 #define PAGE_SHIFT              12L
  19
  20 #define KI_USER_SHARED_DATA     0xFFFFF78000000000UI64
  21 #define SharedUserData          ((PKUSER_SHARED_DATA const)KI_USER_SHARED_DATA)
  22
  23
  24 typedef struct _KFLOATING_SAVE {
  25   ULONG Dummy;
  26 } KFLOATING_SAVE, *PKFLOATING_SAVE;
  27
  28 typedef XSAVE_FORMAT XMM_SAVE_AREA32, *PXMM_SAVE_AREA32;
  29
  30 #define KeQueryInterruptTime() \
  31     (*(volatile ULONG64*)SharedInterruptTime)
  32
  33 #define KeQuerySystemTime(CurrentCount) \
  34     *(ULONG64*)(CurrentCount) = *(volatile ULONG64*)SharedSystemTime
  35
  36 #define KeQueryTickCount(CurrentCount) \
  37     *(ULONG64*)(CurrentCount) = *(volatile ULONG64*)SharedTickCount
  38
  39 #define KeGetDcacheFillSize() 1L
  40
  41 #define YieldProcessor _mm_pause
  42
  43 FORCEINLINE
  44 KIRQL
  45 KeGetCurrentIrql(VOID)
  46 {
  47   return (KIRQL)__readcr8();
  48 }
  49
  50 FORCEINLINE
  51 VOID
  52 KeLowerIrql(IN KIRQL NewIrql)
  53 {
  54   ASSERT(KeGetCurrentIrql() >= NewIrql);
  55   __writecr8(NewIrql);
  56 }
  57
  58 FORCEINLINE
  59 KIRQL
  60 KfRaiseIrql(IN KIRQL NewIrql)
  61 {
  62   KIRQL OldIrql;
  63
  64   OldIrql = __readcr8();
  65   ASSERT(OldIrql <= NewIrql);
  66   __writecr8(NewIrql);
  67   return OldIrql;
  68 }
  69 #define KeRaiseIrql(a,b) *(b) = KfRaiseIrql(a)
  70
  71 FORCEINLINE
  72 KIRQL
  73 KeRaiseIrqlToDpcLevel(VOID)
  74 {
  75   return KfRaiseIrql(DISPATCH_LEVEL);
  76 }
  77
  78 FORCEINLINE
  79 KIRQL
  80 KeRaiseIrqlToSynchLevel(VOID)
  81 {
  82   return KfRaiseIrql(12); // SYNCH_LEVEL = IPI_LEVEL - 2
  83 }
  84
  85 FORCEINLINE
  86 PKTHREAD
  87 KeGetCurrentThread(VOID)
  88 {
  89   return (struct _KTHREAD *)__readgsqword(0x188);
  90 }
  91
  92 /* x86 and x64 performs a 0x2C interrupt */
  93 #define DbgRaiseAssertionFailure __int2c
  94
  95 $endif /* _WDMDDK_ */
  96 $if (_NTDDK_)
  97
  98 #define PAUSE_PROCESSOR YieldProcessor();
  99
 100 #define KERNEL_STACK_SIZE 0x6000
 101 #define KERNEL_LARGE_STACK_SIZE 0x12000
 102 #define KERNEL_LARGE_STACK_COMMIT KERNEL_STACK_SIZE
 103
 104 #define KERNEL_MCA_EXCEPTION_STACK_SIZE 0x2000
 105
 106 #define EXCEPTION_READ_FAULT    0
 107 #define EXCEPTION_WRITE_FAULT   1
 108 #define EXCEPTION_EXECUTE_FAULT 8
 109
 110 #if !defined(RC_INVOKED)
 111
 112 #define CONTEXT_AMD64 0x100000
 113
 114 #define CONTEXT_CONTROL (CONTEXT_AMD64 | 0x1L)
 115 #define CONTEXT_INTEGER (CONTEXT_AMD64 | 0x2L)
 116 #define CONTEXT_SEGMENTS (CONTEXT_AMD64 | 0x4L)
 117 #define CONTEXT_FLOATING_POINT (CONTEXT_AMD64 | 0x8L)
 118 #define CONTEXT_DEBUG_REGISTERS (CONTEXT_AMD64 | 0x10L)
 119
 120 #define CONTEXT_FULL (CONTEXT_CONTROL | CONTEXT_INTEGER | CONTEXT_FLOATING_POINT)
 121 #define CONTEXT_ALL (CONTEXT_CONTROL | CONTEXT_INTEGER | CONTEXT_SEGMENTS | CONTEXT_FLOATING_POINT | CONTEXT_DEBUG_REGISTERS)
 122
 123 #define CONTEXT_XSTATE (CONTEXT_AMD64 | 0x20L)
 124
 125 #define CONTEXT_EXCEPTION_ACTIVE 0x8000000
 126 #define CONTEXT_SERVICE_ACTIVE 0x10000000
 127 #define CONTEXT_EXCEPTION_REQUEST 0x40000000
 128 #define CONTEXT_EXCEPTION_REPORTING 0x80000000
 129
 130 #endif /* !defined(RC_INVOKED) */
 131
 132 #define INITIAL_MXCSR                  0x1f80
 133 #define INITIAL_FPCSR                  0x027f
 134
 135 typedef struct DECLSPEC_ALIGN(16) _CONTEXT {
 136   ULONG64 P1Home;
 137   ULONG64 P2Home;
 138   ULONG64 P3Home;
 139   ULONG64 P4Home;
 140   ULONG64 P5Home;
 141   ULONG64 P6Home;
 142   ULONG ContextFlags;
 143   ULONG MxCsr;
 144   USHORT SegCs;
 145   USHORT SegDs;
 146   USHORT SegEs;
 147   USHORT SegFs;
 148   USHORT SegGs;
 149   USHORT SegSs;
 150   ULONG EFlags;
 151   ULONG64 Dr0;
 152   ULONG64 Dr1;
 153   ULONG64 Dr2;
 154   ULONG64 Dr3;
 155   ULONG64 Dr6;
 156   ULONG64 Dr7;
 157   ULONG64 Rax;
 158   ULONG64 Rcx;
 159   ULONG64 Rdx;
 160   ULONG64 Rbx;
 161   ULONG64 Rsp;
 162   ULONG64 Rbp;
 163   ULONG64 Rsi;
 164   ULONG64 Rdi;
 165   ULONG64 R8;
 166   ULONG64 R9;
 167   ULONG64 R10;
 168   ULONG64 R11;
 169   ULONG64 R12;
 170   ULONG64 R13;
 171   ULONG64 R14;
 172   ULONG64 R15;
 173   ULONG64 Rip;
 174   union {
 175     XMM_SAVE_AREA32 FltSave;
 176     struct {
 177       M128A Header[2];
 178       M128A Legacy[8];
 179       M128A Xmm0;
 180       M128A Xmm1;
 181       M128A Xmm2;
 182       M128A Xmm3;
 183       M128A Xmm4;
 184       M128A Xmm5;
 185       M128A Xmm6;
 186       M128A Xmm7;
 187       M128A Xmm8;
 188       M128A Xmm9;
 189       M128A Xmm10;
 190       M128A Xmm11;
 191       M128A Xmm12;
 192       M128A Xmm13;
 193       M128A Xmm14;
 194       M128A Xmm15;
 195     } DUMMYSTRUCTNAME;
 196   } DUMMYUNIONNAME;
 197   M128A VectorRegister[26];
 198   ULONG64 VectorControl;
 199   ULONG64 DebugControl;
 200   ULONG64 LastBranchToRip;
 201   ULONG64 LastBranchFromRip;
 202   ULONG64 LastExceptionToRip;
 203   ULONG64 LastExceptionFromRip;
 204 } CONTEXT;
 205
 206 typedef struct _KPCR
 207 {
 208     _ANONYMOUS_UNION union
 209     {
 210         NT_TIB NtTib;
 211         _ANONYMOUS_STRUCT struct
 212         {
 213             union _KGDTENTRY64 *GdtBase;
 214             struct _KTSS64 *TssBase;
 215             ULONG64 UserRsp;
 216             struct _KPCR *Self;
 217             struct _KPRCB *CurrentPrcb;
 218             PKSPIN_LOCK_QUEUE LockArray;
 219             PVOID Used_Self;
 220         };
 221     };
 222     union _KIDTENTRY64 *IdtBase;
 223     ULONG64 Unused[2];
 224     KIRQL Irql;
 225     UCHAR SecondLevelCacheAssociativity;
 226     UCHAR ObsoleteNumber;
 227     UCHAR Fill0;
 228     ULONG Unused0[3];
 229     USHORT MajorVersion;
 230     USHORT MinorVersion;
 231     ULONG StallScaleFactor;
 232     PVOID Unused1[3];
 233     ULONG KernelReserved[15];
 234     ULONG SecondLevelCacheSize;
 235     ULONG HalReserved[16];
 236     ULONG Unused2;
 237     PVOID KdVersionBlock;
 238     PVOID Unused3;
 239     ULONG PcrAlign1[24];
 240 } KPCR, *PKPCR;
 241
 242 FORCEINLINE
 243 PKPCR
 244 KeGetPcr(VOID)
 245 {
 246     return (PKPCR)__readgsqword(FIELD_OFFSET(KPCR, Self));
 247 }
 248
 249 FORCEINLINE
 250 ULONG
 251 KeGetCurrentProcessorNumber(VOID)
 252 {
 253     return (ULONG)__readgsword(0x184);
 254 }
 255
 256 $endif /* _NTDDK_ */