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Added Makefile and made things run on my machine (im sorry ); )

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SamsonLib 2025-06-14 01:29:16 +02:00
parent c8f00d0657
commit 8bdd9468de
4 changed files with 51 additions and 16 deletions
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22
core/JIT/jit.cpp
View file

@ -1,18 +1,20 @@
#include "core/JIT/jit.h"
#include "jit.h"
#include <sys/mman.h>
#include <cstring>
#include <cstdio>
#include <vector>
using JitFunc = void(*)();
using JitFunc = void (*)();
void JIT::translate_and_run(CPU& cpu) {
uint8_t* code = (uint8_t*)mmap(nullptr, 64, PROT_READ | PROT_WRITE | PROT_EXEC,
MAP_PRIVATE | MAP_ANON, -1, 0);
void JIT::translate_and_run(CPU &cpu)
{
uint8_t *code = (uint8_t *)mmap(nullptr, 64, PROT_READ | PROT_WRITE | PROT_EXEC,
MAP_PRIVATE | MAP_ANON, -1, 0);
size_t offset = 0;
// Decode mock instructions from cpu.memory
if (cpu.memory[0] == 0x05) { // MOVZ placeholder
if (cpu.memory[0] == 0x05)
{ // MOVZ placeholder
code[offset++] = 0x48; // mov rax, imm64
code[offset++] = 0xB8;
uint64_t imm = 5;
@ -20,7 +22,8 @@ void JIT::translate_and_run(CPU& cpu) {
offset += 8;
}
if (cpu.memory[4] == 0x03) { // ADD placeholder
if (cpu.memory[4] == 0x03)
{ // ADD placeholder
code[offset++] = 0x48; // add rax, imm32
code[offset++] = 0x05;
uint32_t addval = 3;
@ -32,13 +35,12 @@ void JIT::translate_and_run(CPU& cpu) {
JitFunc fn = reinterpret_cast<JitFunc>(code);
uint64_t result;
asm volatile (
asm volatile(
"call *%1\n"
"mov %%rax, %0\n"
: "=r"(result)
: "r"(fn)
: "%rax"
);
: "%rax");
cpu.regs[0] = result;
}

7
core/JIT/jit.h
View file

@ -1,10 +1,11 @@
#ifndef JIT_H
#define JIT_H
#include "core/ARM/cpu.h"
#include "cpu.h"
class JIT {
class JIT
{
public:
void translate_and_run(CPU& cpu);
void translate_and_run(CPU &cpu);
};
#endif