reactos/include/reactos/armddk.h

   1 #ifndef _ARMDDK_
   2 #define _ARMDDK_
   3
   4 //
   5 // IRQLs
   6 //
   7 #define PASSIVE_LEVEL           0
   8 #define LOW_LEVEL               0
   9 #define APC_LEVEL               1
  10 #define DISPATCH_LEVEL          2
  11 #define IPI_LEVEL               7
  12 #define POWER_LEVEL             7
  13 #define PROFILE_LEVEL           8
  14 #define HIGH_LEVEL              8
  15 #define SYNCH_LEVEL             (IPI_LEVEL - 1)
  16
  17 //
  18 // FIXME: mmtypes.h?
  19 //
  20 #define KIPCR                   0xFFFFF000
  21 #define USPCR                   0x7FFF0000
  22 #define PCR                     ((volatile KPCR * const)USPCR)
  23 #define USERPCR                 ((volatile KPCR * const)KIPCR)
  24
  25 //
  26 // Stub
  27 //
  28 typedef struct _KFLOATING_SAVE
  29 {
  30     ULONG Reserved;
  31 } KFLOATING_SAVE, *PKFLOATING_SAVE;
  32
  33 //
  34 // Processor Control Region
  35 // On ARM, it's actually readable from user-mode, much like KUSER_SHARED_DATA
  36 //
  37 #ifdef _WINNT_H
  38 #define PKINTERRUPT_ROUTINE PVOID // Hack!
  39 #endif
  40 typedef struct _KPCR
  41 {
  42     ULONG MinorVersion;
  43     ULONG MajorVersion;
  44     PKINTERRUPT_ROUTINE InterruptRoutine[64];
  45     PVOID XcodeDispatch;
  46     ULONG FirstLevelDcacheSize;
  47     ULONG FirstLevelDcacheFillSize;
  48     ULONG FirstLevelIcacheSize;
  49     ULONG FirstLevelIcacheFillSize;
  50     ULONG SecondLevelDcacheSize;
  51     ULONG SecondLevelDcacheFillSize;
  52     ULONG SecondLevelIcacheSize;
  53     ULONG SecondLevelIcacheFillSize;
  54     struct _KPRCB *Prcb;
  55     struct _TEB *Teb;
  56     PVOID TlsArray;
  57     ULONG DcacheFillSize;
  58     ULONG IcacheAlignment;
  59     ULONG IcacheFillSize;
  60     ULONG ProcessorId;
  61     ULONG ProfileInterval;
  62     ULONG ProfileCount;
  63     ULONG StallExecutionCount;
  64     ULONG StallScaleFactor;
  65     CCHAR Number;
  66     PVOID DataBusError;
  67     PVOID InstructionBusError;
  68     ULONG CachePolicy;
  69     UCHAR IrqlMask[64];
  70     UCHAR IrqlTable[64];
  71     UCHAR CurrentIrql;
  72     KAFFINITY SetMember;
  73     struct _KTHREAD *CurrentThread;
  74     KAFFINITY NotMember;
  75     ULONG SystemReserved[6];
  76     ULONG DcacheAlignment;
  77     ULONG HalReserved[64];
  78     BOOLEAN FirstLevelActive;
  79     BOOLEAN DpcRoutineActive;
  80     ULONG CurrentPid;
  81     BOOLEAN OnInterruptStack;
  82     PVOID SavedInitialStack;
  83     PVOID SavedStackLimit;
  84     PVOID SystemServiceDispatchStart;
  85     PVOID SystemServiceDispatchEnd;
  86     PVOID InterruptStack;
  87     PVOID PanicStack;
  88     PVOID BadVaddr;
  89     PVOID InitialStack;
  90     PVOID StackLimit;
  91     ULONG QuantumEnd;
  92 } KPCR, *PKPCR;
  93
  94 //
  95 // Get the current TEB
  96 //
  97 FORCEINLINE
  98 struct _TEB* NtCurrentTeb(VOID)
  99 {
 100     return (struct _TEB*)USERPCR->Teb;
 101 }
 102
 103 //
 104 // IRQL Support on ARM is similar to MIPS/ALPHA
 105 //
 106 KIRQL
 107 KeSwapIrql(
 108     IN KIRQL NewIrql
 109 );
 110
 111 KIRQL
 112 KeRaiseIrqlToSynchLevel(
 113     VOID
 114 );
 115
 116 KIRQL
 117 KeRaiseIrqlToDpcLevel(
 118     VOID
 119 );
 120
 121 #define KeLowerIrql(NewIrql) KeSwapIrql(NewIrql)
 122 #define KeRaiseIrql(NewIrql, OldIrql) *(OldIrql) = KeSwapIrql(NewIrql)
 123
 124 #endif