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JIT work

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This commit is contained in:
Simone
2023-11-23 10:07:02 +01:00
parent 25cfd49e64
commit 8fb79fefd5
4 changed files with 165 additions and 310 deletions
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66
src/backend/core/JIT.hpp
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@@ -9,6 +9,14 @@ namespace n64 {
using Fn = int(*)();
#define GPR(x) qword[rdi + offsetof(Registers, gpr[(x)])]
#define REG(ptr, member) ptr[rdi + offsetof(Registers, member)]
// 4KiB aligned pages
#define BLOCKCACHE_OUTER_SHIFT 12
#define BLOCKCACHE_PAGE_SIZE (1 << BLOCKCACHE_OUTER_SHIFT)
#define BLOCKCACHE_OUTER_SIZE (0x80000000 >> BLOCKCACHE_OUTER_SHIFT)
// word aligned instructions
#define BLOCKCACHE_INNER_SIZE (BLOCKCACHE_PAGE_SIZE >> 2)
#define BLOCKCACHE_INNER_INDEX(physical) (((physical) & (BLOCKCACHE_PAGE_SIZE - 1)) >> 2)
#define BLOCKCACHE_OUTER_INDEX(physical) ((physical) >> BLOCKCACHE_OUTER_SHIFT)
struct JIT : BaseCPU, Xbyak::CodeGenerator {
JIT();
@@ -27,7 +35,7 @@ private:
void emitMemberCall(T func, void* thisObj) {
void* funcPtr;
auto thisPtr = reinterpret_cast<uintptr_t>(thisObj);
/*#ifdef ABI_WINDOWS
#ifdef ABI_WINDOWS
static_assert(sizeof(T) == 8, "[JIT]: Invalid size for member function pointer");
std::memcpy(&funcPtr, &func, sizeof(T));
#elif defined(ABI_UNIX)
@@ -38,7 +46,7 @@ private:
thisPtr += tmpArr[1];
#else
Util::panic("Huh?!");
#endif*/
#endif
push(rdi);
if(thisPtr == reinterpret_cast<uintptr_t>(this)) {
@@ -91,11 +99,8 @@ private:
ret();
}
Fn* blocks[0x80000]{};
enum BranchCond {
LT, GT, GE, LE, EQ, NE
};
static u8 codecache[1 << 25] __attribute__((aligned(4096)));
Fn* blocks[BLOCKCACHE_OUTER_SIZE]{};
u8 Read8(u64 addr) {
return mem.Read<u8>(regs, addr);
@@ -114,24 +119,22 @@ private:
void addiu(u32);
void andi(u32);
void and_(u32);
void emitCondition(const std::string&, BranchCond);
template <class T>
void branch(const Xbyak::Reg64&, const T&, s64, BranchCond);
template <class T>
void branch_likely(const Xbyak::Reg64&, const T&, s64, BranchCond);
template <class T>
void b(u32, const Xbyak::Reg64&, const T&, BranchCond);
template <class T>
void blink(u32, const Xbyak::Reg64&, const T&, BranchCond);
template <class T>
void bl(u32, const Xbyak::Reg64&, const T&, BranchCond);
template <class T>
void bllink(u32, const Xbyak::Reg64&, const T&, BranchCond);
void bltz(u32);
void bgez(u32);
void bltzl(u32);
void bgezl(u32);
void bltzal(u32);
void bgezal(u32);
void bltzall(u32);
void bgezall(u32);
void beq(u32);
void bne(u32);
void blez(u32);
void bgtz(u32);
void beql(u32);
void bnel(u32);
void blezl(u32);
void bgtzl(u32);
void dadd(u32);
void daddu(u32);
void daddi(u32);
@@ -200,7 +203,18 @@ private:
void srav(u32);
void srl(u32);
void srlv(u32);
void trap(bool);
void tgei(u32);
void tgeiu(u32);
void tlti(u32);
void tltiu(u32);
void teqi(u32);
void tnei(u32);
void tge(u32);
void tgeu(u32);
void tlt(u32);
void tltu(u32);
void teq(u32);
void tne(u32);
void or_(u32);
void ori(u32);
void xor_(u32);