reactos/hal/halx86/include/halp.h

   1 /*
   2  *
   3  */
   4
   5 #ifndef __INTERNAL_HAL_HAL_H
   6 #define __INTERNAL_HAL_HAL_H
   7
   8 #define HAL_APC_REQUEST     0
   9 #define HAL_DPC_REQUEST     1
  10
  11 /* display.c */
  12 struct _LOADER_PARAMETER_BLOCK;
  13 VOID FASTCALL HalInitializeDisplay (struct _LOADER_PARAMETER_BLOCK *LoaderBlock);
  14 VOID FASTCALL HalClearDisplay (UCHAR CharAttribute);
  15
  16 /* adapter.c */
  17 PADAPTER_OBJECT STDCALL HalpAllocateAdapterEx(ULONG NumberOfMapRegisters,BOOLEAN IsMaster, BOOLEAN Dma32BitAddresses);
  18
  19 /* bus.c */
  20 VOID HalpInitBusHandlers (VOID);
  21
  22 /* irql.c */
  23 VOID HalpInitPICs(VOID);
  24
  25 /* udelay.c */
  26 VOID HalpCalibrateStallExecution(VOID);
  27
  28 /* pci.c */
  29 VOID HalpInitPciBus (VOID);
  30
  31 /* enum.c */
  32 VOID HalpStartEnumerator (VOID);
  33
  34 /* dma.c */
  35 VOID HalpInitDma (VOID);
  36
  37 /* mem.c */
  38 PVOID HalpMapPhysMemory(ULONG PhysAddr, ULONG Size);
  39
  40 /* Non-generic initialization */
  41 VOID HalpInitPhase0 (PLOADER_PARAMETER_BLOCK LoaderBlock);
  42
  43 /* sysinfo.c */
  44 NTSTATUS STDCALL
  45 HalpQuerySystemInformation(IN HAL_QUERY_INFORMATION_CLASS InformationClass,
  46                            IN ULONG BufferSize,
  47                            IN OUT PVOID Buffer,
  48                            OUT PULONG ReturnedLength);
  49
  50 /* Non-standard functions */
  51 VOID STDCALL
  52 HalReleaseDisplayOwnership();
  53
  54 BOOLEAN STDCALL
  55 HalQueryDisplayOwnership();
  56
  57 #if defined(__GNUC__)
  58 #define Ki386SaveFlags(x)           __asm__ __volatile__("pushfl ; popl %0":"=g" (x): /* no input */)
  59 #define Ki386RestoreFlags(x)        __asm__ __volatile__("pushl %0 ; popfl": /* no output */ :"g" (x):"memory")
  60 #define Ki386DisableInterrupts()    __asm__ __volatile__("cli\n\t")
  61 #define Ki386EnableInterrupts()     __asm__ __volatile__("sti\n\t")
  62 #define Ki386HaltProcessor()        __asm__ __volatile__("hlt\n\t")
  63 #define Ki386RdTSC(x)               __asm__ __volatile__("rdtsc\n\t" : "=A" (x.u.LowPart), "=d" (x.u.HighPart));
  64 #define Ki386Rdmsr(msr,val1,val2)   __asm__ __volatile__("rdmsr" : "=a" (val1), "=d" (val2) : "c" (msr))
  65 #define Ki386Wrmsr(msr,val1,val2)   __asm__ __volatile__("wrmsr" : /* no outputs */ : "c" (msr), "a" (val1), "d" (val2))
  66
  67 static inline BYTE Ki386ReadFsByte(ULONG offset)
  68 {
  69    BYTE b;
  70    __asm__ __volatile__("movb %%fs:(%1),%0":"=q" (b):"r" (offset));
  71    return b;
  72 }
  73
  74 static inline VOID Ki386WriteFsByte(ULONG offset, BYTE value)
  75 {
  76    __asm__ __volatile__("movb %0,%%fs:(%1)"::"q" (value), "r" (offset));
  77 }
  78
  79 #elif defined(_MSC_VER)
  80 #define Ki386SaveFlags(x)           __asm pushfd  __asm pop x;
  81 #define Ki386RestoreFlags(x)        __asm push x  __asm popfd;
  82 #define Ki386DisableInterrupts()    __asm cli
  83 #define Ki386EnableInterrupts()     __asm sti
  84 #define Ki386HaltProcessor()        __asm hlt
  85 #else
  86 #error Unknown compiler for inline assembler
  87 #endif
  88
  89 typedef struct tagHALP_HOOKS
  90 {
  91   void (*InitPciBus)(ULONG BusNumber, PBUS_HANDLER BusHandler);
  92 } HALP_HOOKS, *PHALP_HOOKS;
  93
  94 extern HALP_HOOKS HalpHooks;
  95
  96 #endif /* __INTERNAL_HAL_HAL_H */