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// Copyright 2016 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <cstring>
#include <dynarmic/dynarmic.h>
#include "common/assert.h"
#include "common/microprofile.h"
#include "core/arm/dynarmic/arm_dynarmic.h"
#include "core/arm/dynarmic/arm_dynarmic_cp15.h"
#include "core/arm/dyncom/arm_dyncom_interpreter.h"
#include "core/core.h"
#include "core/core_timing.h"
#include "core/hle/svc.h"
#include "core/memory.h"
static void InterpreterFallback(u64 pc, Dynarmic::Jit* jit, void* user_arg) {
UNIMPLEMENTED_MSG("InterpreterFallback for ARM64 JIT does not exist!");
}
static bool IsReadOnlyMemory(u64 vaddr) {
// TODO(bunnei): ImplementMe
return false;
}
u8 MemoryRead8(const u64 addr) {
return Memory::Read8(static_cast<VAddr>(addr));
}
u16 MemoryRead16(const u64 addr) {
return Memory::Read16(static_cast<VAddr>(addr));
}
u32 MemoryRead32(const u64 addr) {
return Memory::Read32(static_cast<VAddr>(addr));
}
u64 MemoryRead64(const u64 addr) {
return Memory::Read64(static_cast<VAddr>(addr));
}
void MemoryWrite8(const u64 addr, const u8 data) {
Memory::Write8(static_cast<VAddr>(addr), data);
}
void MemoryWrite16(const u64 addr, const u16 data) {
Memory::Write16(static_cast<VAddr>(addr), data);
}
void MemoryWrite32(const u64 addr, const u32 data) {
Memory::Write32(static_cast<VAddr>(addr), data);
}
void MemoryWrite64(const u64 addr, const u64 data) {
Memory::Write64(static_cast<VAddr>(addr), data);
}
static Dynarmic::UserCallbacks GetUserCallbacks(ARM_Dynarmic* this_) {
Dynarmic::UserCallbacks user_callbacks{};
user_callbacks.InterpreterFallback = &InterpreterFallback;
user_callbacks.user_arg = static_cast<void*>(this_);
user_callbacks.CallSVC = &SVC::CallSVC;
user_callbacks.memory.IsReadOnlyMemory = &IsReadOnlyMemory;
user_callbacks.memory.ReadCode = &MemoryRead32;
user_callbacks.memory.Read8 = &MemoryRead8;
user_callbacks.memory.Read16 = &MemoryRead16;
user_callbacks.memory.Read32 = &MemoryRead32;
user_callbacks.memory.Read64 = &MemoryRead64;
user_callbacks.memory.Write8 = &MemoryWrite8;
user_callbacks.memory.Write16 = &MemoryWrite16;
user_callbacks.memory.Write32 = &MemoryWrite32;
user_callbacks.memory.Write64 = &MemoryWrite64;
//user_callbacks.page_table = Memory::GetCurrentPageTablePointers();
return user_callbacks;
}
ARM_Dynarmic::ARM_Dynarmic(PrivilegeMode initial_mode) {
}
void ARM_Dynarmic::MapBackingMemory(VAddr address, size_t size, u8* memory, Kernel::VMAPermission perms) {
}
void ARM_Dynarmic::SetPC(u64 pc) {
jit->Regs64()[32] = pc;
}
u64 ARM_Dynarmic::GetPC() const {
return jit->Regs64()[32];
}
u64 ARM_Dynarmic::GetReg(int index) const {
return jit->Regs64()[index];
}
void ARM_Dynarmic::SetReg(int index, u64 value) {
jit->Regs64()[index] = value;
}
const u128& ARM_Dynarmic::GetExtReg(int index) const {
return jit->ExtRegs64()[index];
}
void ARM_Dynarmic::SetExtReg(int index, u128& value) {
jit->ExtRegs64()[index] = value;
}
u32 ARM_Dynarmic::GetVFPReg(int index) const {
return {};
}
void ARM_Dynarmic::SetVFPReg(int index, u32 value) {
}
u32 ARM_Dynarmic::GetVFPSystemReg(VFPSystemRegister reg) const {
return {};
}
void ARM_Dynarmic::SetVFPSystemReg(VFPSystemRegister reg, u32 value) {
}
u32 ARM_Dynarmic::GetCPSR() const {
return jit->Cpsr();
}
void ARM_Dynarmic::SetCPSR(u32 cpsr) {
jit->Cpsr() = cpsr;
}
u32 ARM_Dynarmic::GetCP15Register(CP15Register reg) {
return {};
}
void ARM_Dynarmic::SetCP15Register(CP15Register reg, u32 value) {
}
VAddr ARM_Dynarmic::GetTlsAddress() const {
return jit->TlsAddr();
}
void ARM_Dynarmic::SetTlsAddress(VAddr address) {
jit->TlsAddr() = address;
}
MICROPROFILE_DEFINE(ARM_Jit, "ARM JIT", "ARM JIT", MP_RGB(255, 64, 64));
void ARM_Dynarmic::ExecuteInstructions(int num_instructions) {
ASSERT(Memory::GetCurrentPageTable() == current_page_table);
MICROPROFILE_SCOPE(ARM_Jit);
std::size_t ticks_executed = jit->Run(static_cast<unsigned>(num_instructions));
CoreTiming::AddTicks(ticks_executed);
}
void ARM_Dynarmic::SaveContext(ARM_Interface::ThreadContext& ctx) {
memcpy(ctx.cpu_registers, jit->Regs64().data(), sizeof(ctx.cpu_registers));
memcpy(ctx.fpu_registers, jit->ExtRegs64().data(), sizeof(ctx.fpu_registers));
ctx.lr = jit->Regs64()[30];
ctx.sp = jit->Regs64()[31];
ctx.pc = jit->Regs64()[32];
ctx.cpsr = jit->Cpsr();
// TODO(bunnei): Fix once we have proper support for tpidrro_el0, etc. in the JIT
ctx.tls_address = jit->TlsAddr();
}
void ARM_Dynarmic::LoadContext(const ARM_Interface::ThreadContext& ctx) {
memcpy(jit->Regs64().data(), ctx.cpu_registers, sizeof(ctx.cpu_registers));
memcpy(jit->ExtRegs64().data(), ctx.fpu_registers, sizeof(ctx.fpu_registers));
jit->Regs64()[30] = ctx.lr;
jit->Regs64()[31] = ctx.sp;
jit->Regs64()[32] = ctx.pc;
jit->Cpsr() = ctx.cpsr;
// TODO(bunnei): Fix once we have proper support for tpidrro_el0, etc. in the JIT
jit->TlsAddr() = ctx.tls_address;
}
void ARM_Dynarmic::PrepareReschedule() {
if (jit->IsExecuting()) {
jit->HaltExecution();
}
}
void ARM_Dynarmic::ClearInstructionCache() {
jit->ClearCache();
}
void ARM_Dynarmic::PageTableChanged() {
current_page_table = Memory::GetCurrentPageTable();
auto iter = jits.find(current_page_table);
if (iter != jits.end()) {
jit = iter->second.get();
return;
}
jit = new Dynarmic::Jit(GetUserCallbacks(this), Dynarmic::Arch::ARM64);
jits.emplace(current_page_table, std::unique_ptr<Dynarmic::Jit>(jit));
}
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