reactos/include/reactos/arm/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 SYNCH_LEVEL                       DISPATCH_LEVEL
  12 #define PROFILE_LEVEL                     27
  13 #define CLOCK1_LEVEL                      28
  14 #define CLOCK2_LEVEL                      28
  15 #define IPI_LEVEL                         29
  16 #define POWER_LEVEL                       30
  17 #define HIGH_LEVEL                        31
  18
  19 //
  20 // FIXME: mmtypes.h?
  21 //
  22 #define KIPCR                   0xFFFFF000
  23 #define KI_USER_SHARED_DATA     0xFFFFE000
  24 #define USPCR                   0x7FFF0000
  25 #define PCR                     ((volatile KPCR * const)KIPCR)
  26 #define USERPCR                 ((volatile KPCR * const)USPCR)
  27
  28 //
  29 // Maximum IRQs
  30 //
  31 #define MAXIMUM_VECTOR          16
  32
  33 //
  34 // Just read it from the PCR
  35 //
  36 #define KeGetCurrentProcessorNumber()  (int)PCR->Number
  37 #define KeGetCurrentIrql()             PCR->CurrentIrql
  38 #define _KeGetCurrentThread()          PCR->CurrentThread
  39 #define _KeGetPreviousMode()           PCR->CurrentThread->PreviousMode
  40 #define _KeIsExecutingDpc()            (PCR->DpcRoutineActive != 0)
  41 #define KeGetCurrentThread()           _KeGetCurrentThread()
  42 #define KeGetPreviousMode()            _KeGetPreviousMode()
  43 #define KeGetDcacheFillSize()          PCR->DcacheFillSize
  44
  45
  46 //
  47 // Used to contain PFNs and PFN counts
  48 //
  49 typedef ULONG PFN_COUNT;
  50 typedef ULONG PFN_NUMBER, *PPFN_NUMBER;
  51 typedef LONG SPFN_NUMBER, *PSPFN_NUMBER;
  52
  53 //
  54 // Stub
  55 //
  56 typedef struct _KFLOATING_SAVE
  57 {
  58     ULONG Reserved;
  59 } KFLOATING_SAVE, *PKFLOATING_SAVE;
  60
  61 /* The following flags control the contents of the CONTEXT structure. */
  62 #define CONTEXT_ARM    0x0000040
  63 #define CONTEXT_CONTROL         (CONTEXT_ARM | 0x00000001L)
  64 #define CONTEXT_INTEGER         (CONTEXT_ARM | 0x00000002L)
  65 #define CONTEXT_FULL (CONTEXT_CONTROL | CONTEXT_INTEGER)
  66
  67 typedef struct _CONTEXT {
  68         /* The flags values within this flag control the contents of
  69            a CONTEXT record.
  70
  71            If the context record is used as an input parameter, then
  72            for each portion of the context record controlled by a flag
  73            whose value is set, it is assumed that that portion of the
  74            context record contains valid context. If the context record
  75            is being used to modify a thread's context, then only that
  76            portion of the threads context will be modified.
  77
  78            If the context record is used as an IN OUT parameter to capture
  79            the context of a thread, then only those portions of the thread's
  80            context corresponding to set flags will be returned.
  81
  82            The context record is never used as an OUT only parameter. */
  83
  84         ULONG ContextFlags;
  85
  86         /* This section is specified/returned if the ContextFlags word contains
  87            the flag CONTEXT_INTEGER. */
  88         ULONG R0;
  89         ULONG R1;
  90         ULONG R2;
  91         ULONG R3;
  92         ULONG R4;
  93         ULONG R5;
  94         ULONG R6;
  95         ULONG R7;
  96         ULONG R8;
  97         ULONG R9;
  98         ULONG R10;
  99         ULONG R11;
 100         ULONG R12;
 101
 102         ULONG Sp;
 103         ULONG Lr;
 104         ULONG Pc;
 105         ULONG Psr;
 106 } CONTEXT;
 107
 108 //
 109 // Processor Control Region
 110 // On ARM, it's actually readable from user-mode, much like KUSER_SHARED_DATA
 111 //
 112 #ifdef _WINNT_H
 113 typedef
 114 VOID
 115 (*PKINTERRUPT_ROUTINE)(VOID);
 116 #endif
 117 typedef struct _KPCR
 118 {
 119     ULONG MinorVersion;
 120     ULONG MajorVersion;
 121     PKINTERRUPT_ROUTINE InterruptRoutine[MAXIMUM_VECTOR];
 122     PVOID XcodeDispatch;
 123     ULONG FirstLevelDcacheSize;
 124     ULONG FirstLevelDcacheFillSize;
 125     ULONG FirstLevelIcacheSize;
 126     ULONG FirstLevelIcacheFillSize;
 127     ULONG SecondLevelDcacheSize;
 128     ULONG SecondLevelDcacheFillSize;
 129     ULONG SecondLevelIcacheSize;
 130     ULONG SecondLevelIcacheFillSize;
 131     struct _KPRCB *Prcb;
 132     struct _TEB *Teb;
 133     PVOID TlsArray;
 134     ULONG DcacheFillSize;
 135     ULONG IcacheAlignment;
 136     ULONG IcacheFillSize;
 137     ULONG ProcessorId;
 138     ULONG ProfileInterval;
 139     ULONG ProfileCount;
 140     ULONG StallExecutionCount;
 141     ULONG StallScaleFactor;
 142     CCHAR Number;
 143     PVOID DataBusError;
 144     PVOID InstructionBusError;
 145     ULONG CachePolicy;
 146     ULONG AlignedCachePolicy;
 147     UCHAR IrqlMask[HIGH_LEVEL + 1];
 148     ULONG IrqlTable[HIGH_LEVEL + 1];
 149     UCHAR CurrentIrql;
 150     KAFFINITY SetMember;
 151     struct _KTHREAD *CurrentThread;
 152     ULONG ReservedVectors;
 153     KAFFINITY NotMember;
 154     ULONG SystemReserved[6];
 155     ULONG DcacheAlignment;
 156     ULONG HalReserved[64];
 157     BOOLEAN FirstLevelActive;
 158     BOOLEAN DpcRoutineActive;
 159     ULONG CurrentPid;
 160     BOOLEAN OnInterruptStack;
 161     PVOID SavedInitialStack;
 162     PVOID SavedStackLimit;
 163     PVOID SystemServiceDispatchStart;
 164     PVOID SystemServiceDispatchEnd;
 165     PVOID InterruptStack;
 166     PVOID PanicStack;
 167     PVOID BadVaddr;
 168     PVOID InitialStack;
 169     PVOID StackLimit;
 170     ULONG QuantumEnd;
 171     PVOID PerfGlobalGroupMask;
 172     ULONG ContextSwitches;
 173 } KPCR, *PKPCR;
 174
 175 //
 176 // Get the current TEB
 177 //
 178 FORCEINLINE
 179 struct _TEB* NtCurrentTeb(VOID)
 180 {
 181     return (struct _TEB*)USERPCR->Teb;
 182 }
 183
 184 //
 185 // IRQL Support on ARM is similar to MIPS/ALPHA
 186 //
 187 KIRQL
 188 KfRaiseIrql(
 189     IN KIRQL NewIrql
 190 );
 191
 192 VOID
 193 KfLowerIrql(
 194     IN KIRQL NewIrql
 195 );
 196
 197 KIRQL
 198 KeRaiseIrqlToSynchLevel(
 199     VOID
 200 );
 201
 202 KIRQL
 203 KeRaiseIrqlToDpcLevel(
 204     VOID
 205 );
 206
 207 #define KeLowerIrql(NewIrql) KfLowerIrql(NewIrql)
 208 #define KeRaiseIrql(NewIrql, OldIrql) *(OldIrql) = KfRaiseIrql(NewIrql)
 209
 210 //
 211 // Cache clean and flush
 212 //
 213 VOID
 214 HalSweepDcache(
 215     VOID
 216 );
 217
 218 VOID
 219 HalSweepIcache(
 220     VOID
 221 );
 222
 223 #endif