gic.h

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#ifndef __GIC_H__
#define __GIC_H__
 
#include <aa64hcode.h>
#include <stdint.h>
#include <aurora.h>
 
typedef struct _gic_ {
    uint8_t version;
    uint64_t gicDPhys;
    uint64_t gicCPhys;
    uint64_t gicRPhys;
    uint64_t gicMSIPhys;
    uint64_t gicDMMIO;
    uint64_t gicCMMIO;
    uint64_t gicRMMIO;
    uint64_t gicMSIMMIO;
    uint16_t spiBase;
    uint16_t spiCount;
}GIC;
 
 
GIC* AuGetSystemGIC();
 
extern void GICInitialize();
 
AU_EXTERN AU_EXPORT void GICEnableIRQ(uint32_t irq);
 
 
AU_EXTERN AU_EXPORT void GICEnableSPIIRQ(uint32_t irq);
 
 
AU_EXTERN AU_EXPORT void GICClearPendingIRQ(uint32_t irq);
 
extern uint32_t GICReadIAR();
 
extern void GICCheckPending(uint32_t irq);
 
AU_EXTERN AU_EXPORT uint64_t AuGICGetMSIAddress(int interruptID);
 
AU_EXTERN AU_EXPORT uint32_t AuGICGetMSIData(int interruptID);
 
AU_EXTERN AU_EXPORT int AuGICAllocateSPI();
 
AU_EXTERN AU_EXPORT void AuGICDeallocateSPI(int spiID);
 
AU_EXTERN AU_EXPORT void GICSendEOI(uint32_t irqnum);
 
extern void GICSetupTimer();
 
AU_EXTERN AU_EXPORT void GICSetTargetCPU(int spi);
 
AU_EXTERN AU_EXPORT void GICRegisterSPIHandler(void* fptr, int spi);
 
extern void GICCallSPIHandler(int spi);
#endif