sched.h

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#ifndef __AA64_SCHED_H__
#define __AA64_SCHED_H__
 
#include <stdint.h>
#include <Hal/AA64/aa64cpu.h>
 
#ifdef ARCH_ARM64
 
#define  THREAD_STATE_READY     1
#define  THREAD_STATE_BLOCKED   3
#define  THREAD_STATE_SLEEP     4
#define  THREAD_STATE_KILLABLE  5
#define  THREAD_STATE_LEFT_IN_KERNEL 6
#define  THREAD_STATE_PENDING_SIGNAL 7
#define  THREAD_STATE_RUNNING 8
 
 
#define  THREAD_LEVEL_KERNEL (1<<0)
#define  THREAD_LEVEL_USER (1<<1)
#define  THREAD_LEVEL_SUBTHREAD (1<<2)
#define  THREAD_LEVEL_MAIN_THREAD (1<<3)
 
//#pragma pack(push,1)
/* AuUserEntry structure */
typedef struct _uentry_ {
    uint64_t entrypoint;
    uint64_t rsp;
    uint64_t cs;
    uint64_t ss;
    int num_args;
    uint64_t argvaddr;    /* user-space VA of argv[] page (for crt0 via stack) */
    uint64_t argvkernel;  /* kernel-space VA of argv[] page (for EL1 writes) */
    char** argvs;
    uint64_t stackBase;
}AuUserEntry;
//#pragma pack(pop)
 
 
#define MAX_SIGNAL_ENTRY  10
 
 
typedef struct _gp_context_ {
    uint64_t x[31];
    uint64_t sp_el0;
    uint64_t elr_el1;
    uint64_t spsr_el1;
}_gp_context_t;
 
typedef struct _signal_frame_ {
    AA64Registers regs;
    uint64_t elr_el1;
    uint64_t sigret_address;
}_signal_frame_t;
 
 
//#pragma pack(push,1)
typedef struct _aa64_task_ {
    uint64_t x19; //0
    uint64_t x20; //8
    uint64_t x21; //16
    uint64_t x22; //24
    uint64_t x23; //32
    uint64_t x24; //40
    uint64_t x25; //48
    uint64_t x26; //56
    uint64_t x27; //64
    uint64_t x28; //72
    uint64_t x29; //80
    uint64_t x30; //88
    uint64_t sp; //96
    uint64_t elr_el1; //104
    uint64_t spsr_el1;//112
    uint64_t x0; //120
    uint64_t x1; //128
    uint64_t x2; //136
    uint64_t x3; //144
    uint64_t x4; //152
    uint64_t x5; //160
    uint64_t x6; //168
    uint64_t x7; //176
    uint64_t x8; //184
    uint8_t state; //192
    uint8_t threadType; //193
    uint64_t pml;  //186
    char name[8];   //130
    void *procSlot; //138
    AuUserEntry* uentry; //146
    bool first_run; //206
    uint64_t thread_id; //207
    uint64_t sleepQuanta; //215
    uint64_t originalKSp; //223
    bool returnFromSyscall;
    bool justStored;
    void* data;
    AU_ALIGN(16) uint8_t fp_regs[512];
    uint64_t fpcr;
    uint64_t fpsr;
    uint32_t syscallNum;
    uint64_t sig_pending;
    _signal_frame_t signal;
    uint64_t start_time_us;
    uint64_t* sigs[21];
    struct _aa64_task_* next;
    struct _aa64_task_* prev;
}AA64Thread;
 
 
//#pragma pack(pop)
extern void AuSchedulerInitialize();
extern uint64_t AuCreateKernelStack(uint64_t* pml);
AU_EXTERN AU_EXPORT AA64Thread* AuCreateKthread(void(*entry) (uint64_t),uint64_t* pml, char* name);
AU_EXTERN AU_EXPORT AA64Thread* AuCreateSubKthread(void(*entry) (uint64_t), uint64_t stack, uint64_t* pml, char* name);
 
extern void AuScheduleThread(AA64Registers*regs);
extern void AuScheduleNext();
extern void AuSchedulerStart();
extern AA64Thread* AuGetIdleThread();
extern AA64Thread* AuGetCurrentThread();
 
AU_EXTERN AU_EXPORT void AuBlockThread(AA64Thread* thread);
 
AU_EXTERN AU_EXPORT void AuUnblockThread(AA64Thread* thread);
AU_EXTERN AU_EXPORT void AuForceScheduler();
 
AU_EXTERN AU_EXPORT void AuSleepThread(AA64Thread* thread, uint64_t ms);
 
AU_EXTERN AU_EXPORT AA64Thread* AuThreadFindByID(uint64_t id);
 
AU_EXTERN AU_EXPORT AA64Thread* AuThreadFindByIDBlockList(uint64_t id);
 
AU_EXTERN AU_EXPORT void AuThreadMoveToTrash(AA64Thread* t);
 
extern void AuThreadCleanTrash(AA64Thread* t);
 
extern uint64_t AuGetSystemTimerTick();
 
extern void AuHandleSleepThreads();
 
extern void AuThreadMakeReady(AA64Thread* thread);
 
#endif
 
#endif