Revert "Merge branch 'jit' of https://github.com/SimoneN64/Kaizen into dev"

This reverts commit 28b3c4493f, reversing changes made to f4123da691.
2024-01-23 14:25:03 +01:00
parent 28b3c4493f
commit 1f238bbd9e
12 changed files with 4 additions and 1911 deletions
--- a/src/backend/core/JIT.cpp
+++ b/src/backend/core/JIT.cpp
@@ -1,105 +0,0 @@
-#include <Cop0.hpp>
-#include <JIT.hpp>
-
-namespace n64 {
-using namespace Xbyak;
-JIT::JIT() : CodeGenerator(32*1024*1024, AutoGrow) { }
-
-void JIT::Reset() {
-  reset();
-  regs.Reset();
-  mem.Reset();
-}
-
-bool JIT::ShouldServiceInterrupt() {
-  bool interrupts_pending = (regs.cop0.status.im & regs.cop0.cause.interruptPending) != 0;
-  bool interrupts_enabled = regs.cop0.status.ie == 1;
-  bool currently_handling_exception = regs.cop0.status.exl == 1;
-  bool currently_handling_error = regs.cop0.status.erl == 1;
-
-  return interrupts_pending && interrupts_enabled &&
-         !currently_handling_exception && !currently_handling_error;
-}
-
-void JIT::CheckCompareInterrupt() {
-  regs.cop0.count++;
-  regs.cop0.count &= 0x1FFFFFFFF;
-  if(regs.cop0.count == (u64)regs.cop0.compare << 1) {
-    regs.cop0.cause.ip7 = 1;
-    UpdateInterrupt(mem.mmio.mi, regs);
-  }
-}
-
-Fn JIT::Recompile() {
-  bool stable = true;
-  bool old_stable = stable;
-  cycles = 0;
-  //prologue();
-  //mov(rbp, u64(this));
-  //mov(rdi, u64(this) + THIS_OFFSET(regs));
-  u64 pc = regs.pc;
-  while(old_stable) {
-    old_stable = stable;
-
-    cycles++;
-    CheckCompareInterrupt();
-
-    // mov(rax, REG(byte, delaySlot));
-    // mov(REG(byte, prevDelaySlot), rax);
-    // mov(REG(byte, delaySlot), 0);
-
-    u32 paddr = 0;
-    if (!MapVAddr(regs, LOAD, pc, paddr)) {
-      //mov(rsi, regs.pc);
-      //emitCall(HandleTLBException);
-      //mov(rsi, u64(GetTLBExceptionCode(regs.cop0.tlbError, LOAD)));
-      //CodeGenerator::xor_(rdx, rdx);
-      //CodeGenerator::xor_(rcx, rcx);
-      //emitCall(FireException);
-      //goto _epilogue;
-    }
-
-    pc += 4;
-    u32 instr = mem.Read<u32>(regs, paddr);
-    stable = isStable(instr);
-    Emit(instr);
-
-    if (ShouldServiceInterrupt()) {
-      //mov(rsi, u64(ExceptionCode::Interrupt));
-      //CodeGenerator::xor_(rdx, rdx);
-      //CodeGenerator::xor_(rcx, rcx);
-      //push(rax);
-      //call(FireException);
-      //goto _epilogue;
-    }
-
-    //mov(rax, REG(qword, pc));
-    //mov(REG(qword, oldPC), rax);
-    //mov(rax, REG(qword, nextPC));
-    //mov(REG(qword, pc), rax);
-    //CodeGenerator::add(REG(qword, nextPC), 4);
-  }
-_epilogue:
-  //epilogue();
-  //ready();
-  //return getCode<Fn>();
-  ir.optimize();
-  ir.print();
-  exit(1);
-  return nullptr;
-}
-
-int JIT::Step() {
-  if(!blocks[BLOCKCACHE_OUTER_INDEX(regs.pc)]) {
-    blocks[BLOCKCACHE_OUTER_INDEX(regs.pc)] = (Fn*)calloc(BLOCKCACHE_INNER_SIZE, 1);
-    blocks[BLOCKCACHE_OUTER_INDEX(regs.pc)][BLOCKCACHE_INNER_INDEX(regs.pc)] = Recompile();
-  }
-
-  if (!blocks[BLOCKCACHE_OUTER_INDEX(regs.pc)][BLOCKCACHE_INNER_INDEX(regs.pc)]) {
-    blocks[BLOCKCACHE_OUTER_INDEX(regs.pc)][BLOCKCACHE_INNER_INDEX(regs.pc)] = Recompile();
-  }
-
-  //return blocks[BLOCKCACHE_OUTER_INDEX(regs.pc)][BLOCKCACHE_INNER_INDEX(regs.pc)]();
-  return 1;
-}
-}