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No more segfault in JIT. Keeps executing the same blocks over and over though...

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CocoSimone
2023-01-04 16:50:33 +01:00
parent 5da1e2a443
commit 64630ea06b
43 changed files with 823 additions and 849 deletions
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30
src/backend/core/Dynarec.cpp
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@@ -1,28 +1,46 @@
#include <Dynarec.hpp>
#include <Registers.hpp>
#include <filesystem>
namespace n64::JIT {
Dynarec::Dynarec() : code(Xbyak::DEFAULT_MAX_CODE_SIZE, Xbyak::AutoGrow) {}
namespace fs = std::filesystem;
Dynarec::~Dynarec() {
dumpCode.close();
}
Dynarec::Dynarec() : code(DEFAULT_MAX_CODE_SIZE, AutoGrow) {
if(fs::exists("jit.dump")) {
fs::remove("jit.dump");
}
dumpCode.open("jit.dump", std::ios::app | std::ios::binary);
code.setProtectMode(CodeGenerator::PROTECT_RWE);
}
void Dynarec::Recompile(Registers& regs, Mem& mem) {
bool branch = false, prevBranch = false;
u32 start_addr = regs.pc;
Fn block = code.getCurr<Fn>();
code.sub(code.rsp, 8);
while(!prevBranch) {
instrInBlock++;
prevBranch = branch;
u32 instr = mem.Read32(regs, regs.pc, regs.pc);
u32 instr = mem.Read32(regs, start_addr, start_addr);
regs.oldPC = regs.pc;
regs.pc = regs.nextPC;
regs.nextPC += 4;
start_addr += 4;
code.mov(code.rdi, (u64)&regs);
branch = Exec(regs, mem, instr);
}
code.add(code.rsp, 8);
code.ret();
codeCache[start_addr >> 20][start_addr & 0xFFF] = block;
dumpCode.write(code.getCode<char*>(), code.getSize());
u32 pc = regs.pc & 0xffffffff;
codeCache[pc >> 20][pc & 0xFFF] = block;
block();
}