Creeper Lv
62 lines
2.1 KiB
C
62 lines
2.1 KiB
C
#ifndef __SAGITTARIUS_H_
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#define __SAGITTARIUS_H_
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#include "SagittariusInst.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include "SagittariusBase.h"
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typedef struct SagittariusRegister
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{
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// 256 Usable + Overflow preventing purpose 256 extra bytes.
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uint8_t head[512];
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} SagittariusRegister;
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typedef struct SagittariusMemory
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{
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uint8_t *data;
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uint64_t size;
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} SagittariusMemory;
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typedef struct SagittariusCore
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{
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SagittariusRegister reg;
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SagittariusMemory *memory;
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struct SagittariusVM *vm;
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uint64_t pc;
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} SagittariusCore;
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typedef int32_t (*SagittariusSyscall)(SagittariusCore *core);
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typedef int32_t (*SagittariusPanicHandler)(SagittariusCore *core, uint64_t panic_id, const char *msg);
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typedef struct SagittariusSyscallEntry
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{
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uint64_t id;
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SagittariusSyscall syscall;
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} SagittariusSyscallEntry;
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typedef struct SagittariusVM
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{
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SagittariusSyscallEntry *SagittariusSyscallEntries;
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uint64_t SagittariusSyscallCount;
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uint64_t SagittariusSyscallCapacity;
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SagittariusCore core;
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SagittariusMemory Memory;
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SagittariusPanicHandler panic_handler;
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} SagittariusVM;
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/**
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* The layout of program in byte form (without the head):
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* |0..31|32..95|96..159|160..|...
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* |format version|inst count|data size|instructions...|data...|
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* |uint32|uint64|uint64|inst1|inst2|...|data...|
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*/
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typedef struct SagittariusProgram
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{
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SagittariusInst *instructions;
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uint64_t instCount;
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uint8_t *data;
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uint64_t data_size;
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} SagittariusProgram;
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SAGITTARIUS_API SagittariusVM *sagittarius_vm_new(uint64_t memory_size);
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SAGITTARIUS_API void sagittarius_register_syscall(SagittariusVM *vm, uint64_t id, SagittariusSyscall syscall);
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SAGITTARIUS_API void sagittarius_vm_free(SagittariusVM *vm);
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SAGITTARIUS_API void sagittarius_step(SagittariusVM *vm);
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SAGITTARIUS_API void sagittarius_mem_resize(SagittariusVM *vm, uint64_t new_size);
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SAGITTARIUS_API uint64_t sagittarius_mem_getsize(SagittariusVM *vm);
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SAGITTARIUS_API void sagittarius_load_program_to_mem(SagittariusVM *vm, SagittariusProgram *program, uint64_t offset);
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SAGITTARIUS_API SagittariusProgram *sagittarius_load_program_from_byte_array(uint8_t *data, uint64_t size);
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#endif |