aa64cpu.h

Go to the documentation of this file.

 
#ifndef __AA64_CPU_H__
#define __AA64_CPU_H__
 
#include <stdint.h>
#include <aurora.h>
#include <time.h>
 
#define CPU_IMPLEMENTER_ARM           0x41
#define CPU_IMPLEMENTER_BROADCOM      0x42
#define CPU_IMPLEMENTER_CAVIUM        0x43
#define CPU_IMPLEMENTER_FUJITSU       0x46
#define CPU_IMPLEMENTER_INTEL         0x49
#define CPU_IMPLEMENTER_APPLIED_MICRO 0x50
#define CPU_IMPLEMENTER_QUALCOMM      0x51
#define CPU_IMPLEMENTER_MARVELL       0x56
#define CPU_IMPLEMENTER_APPLE         0x61
 
//#pragma pack(push,1)
typedef struct _aa64_regs_ {
    int64_t elr;
    int64_t spsr;
    int64_t x30;   //0
    int64_t EL0SP; //8
    int64_t x28;   //16
    int64_t x29;   //24
    int64_t x26;   //32
    int64_t x27;   //40
    int64_t x24;   //48
    int64_t x25;   //56
    int64_t x22;   //64
    int64_t x23;   //72
    int64_t x20;   //80
    int64_t x21;   //88
    int64_t x18;   //96
    int64_t x19;   //104
    int64_t x16;   //112
    int64_t x17;   //120
    int64_t x14;   //128
    int64_t x15;   //136
    int64_t x12;   //144
    int64_t x13;   //152
    int64_t x10;   //160
    int64_t x11;   //168
    int64_t x8;    //176
    int64_t x9;    //184
    int64_t x6;    //192
    int64_t x7;    //200
    int64_t x4;    //208
    int64_t x5;    //216
    int64_t x2;    //224
    int64_t x3;    //232
    int64_t x0;    //240
    int64_t x1;    //248
} AA64Registers;
//#pragma pack(pop)
 
/* Saved immediately on exception entry, before any C code can use NEON/FP.
 * The assembly wrappers place this frame directly below AA64Registers. */
typedef struct AU_ALIGN(16) _aa64_fp_frame_ {
    uint8_t q[32][16];
    uint64_t fpcr;
    uint64_t fpsr;
} AA64FpFrame;
 
#if defined(__cplusplus)
static_assert(sizeof(AA64Registers) == 272, "AA64 register frame layout changed");
static_assert(sizeof(AA64FpFrame) == 528, "AA64 FP frame layout changed");
#else
_Static_assert(sizeof(AA64Registers) == 272, "AA64 register frame layout changed");
_Static_assert(sizeof(AA64FpFrame) == 528, "AA64 FP frame layout changed");
#endif
 
static inline AA64FpFrame* AA64ExceptionFpFrame(AA64Registers* regs) {
    return (AA64FpFrame*)((uint8_t*)regs - sizeof(AA64FpFrame));
}
 
extern void AA64CpuInitialize();
 
extern void AA64CPUPostInitialize(KERNEL_BOOT_INFO* info);
 
AU_EXTERN AU_EXPORT void AA64SleepUS(uint32_t us);
 
AU_EXTERN AU_EXPORT void AA64SleepMS(uint32_t ms);
 
extern void AuAA64SyscallHandler(AA64Registers* regs);
 
extern void aa64_calculate_ticks(uint64_t seconds,
                                 uint64_t subsec,
                                 uint64_t* out_seconds,
                                 uint64_t* out_subsec);
 
extern uint64_t AA64CPUGetFreqencyHz();
#endif