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JIT: Passing first 2 tests in basic_simpleboot

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SimoneN64
2023-03-20 23:37:54 +01:00
parent 0f2a999f00
commit 94ce40429f
15 changed files with 319 additions and 289 deletions
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39
src/backend/core/JIT.cpp
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@@ -2,7 +2,6 @@
#include <filesystem>
#include <JIT.hpp>
namespace n64 {
namespace fs = std::filesystem;
@@ -25,6 +24,7 @@ JIT::JIT() : code(CODECACHE_SIZE, codeCache) {
dump.open("jit.dump", std::ios::ate | std::ios::binary);
dump.unsetf(std::ios::skipws);
regs.Reset();
}
inline bool ShouldServiceInterrupt(Registers& regs) {
@@ -64,23 +64,21 @@ void JIT::Recompile(Mem& mem, u32 pc) {
instrInBlock++;
prevBranch = branch;
u32 instr = mem.Read32(regs, loopPC);
loopPC += 4;
emitBreakpoint();
code.mov(rdi, (uintptr_t)this);
code.mov(rsi, instr);
code.mov(r8, qword[rdi + REG_OFFSET(oldPC)]);
code.mov(r9, qword[rdi + REG_OFFSET(pc)]);
code.mov(r10, qword[rdi + REG_OFFSET(nextPC)]);
code.mov(qword[rdi + GPR_OFFSET(0, this)], 0);
code.mov(r8, qword[rdi + REG_OFFSET(oldPC, this)]);
code.mov(r9, qword[rdi + REG_OFFSET(pc, this)]);
code.mov(r10, qword[rdi + REG_OFFSET(nextPC, this)]);
code.mov(r8, r9);
code.mov(r9, r10);
code.add(r10, 4);
code.mov(qword[rdi + REG_OFFSET(oldPC)], r8);
code.mov(qword[rdi + REG_OFFSET(pc)], r9);
code.mov(qword[rdi + REG_OFFSET(nextPC)], r10);
loopPC += 4;
code.mov(qword[rdi + REG_OFFSET(oldPC, this)], r8);
code.mov(qword[rdi + REG_OFFSET(pc, this)], r9);
code.mov( qword[rdi + REG_OFFSET(nextPC, this)], r10);
code.mov(esi, instr);
branch = Exec(mem, instr);
}
@@ -89,7 +87,6 @@ void JIT::Recompile(Mem& mem, u32 pc) {
dump.write(code.getCode<char*>(), code.getSize());
blockCache[startPC >> 20][startPC & 0xFFF] = block;
blockCache[startPC >> 20][startPC & 0xFFF]();
}
void JIT::AllocateOuter(u32 pc) {
@@ -98,7 +95,6 @@ void JIT::AllocateOuter(u32 pc) {
int JIT::Run() {
instrInBlock = 0;
regs.gpr[0] = 0;
regs.prevDelaySlot = regs.delaySlot;
regs.delaySlot = false;
@@ -110,23 +106,22 @@ int JIT::Run() {
return 0;
}
if(blockCache[pc >> 20]) {
if(blockCache[pc >> 20][pc & 0xfff]) {
blockCache[pc >> 20][pc & 0xfff]();
} else {
Recompile(mem, pc);
}
} else {
if(!blockCache[pc >> 20]) {
AllocateOuter(pc);
}
if(!blockCache[pc >> 20][pc & 0xfff]) {
Recompile(mem, pc);
}
CheckCompareInterrupt(mem.mmio.mi, regs);
if(ShouldServiceInterrupt(regs)) {
FireException(regs, ExceptionCode::Interrupt, 0, false);
return 0;
}
blockCache[pc >> 20][pc & 0xfff]();
return instrInBlock;
}