arm_dynarmic: Gut interface until dynarmic is ready for general use.

src/core/arm/dynarmic/arm_dynarmic.cpp

@@ -1,186 +1,93 @@
-// Copyright 2016 Citra Emulator Project
+// Copyright 2018 Yuzu Emulator Team
 // 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/core.h"
-#include "core/core_timing.h"
-#include "core/hle/kernel/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_Interface* interpreter_fallback) {
-    Dynarmic::UserCallbacks user_callbacks{};
-    user_callbacks.InterpreterFallback = &InterpreterFallback;
-    user_callbacks.user_arg = static_cast<void*>(interpreter_fallback);
-    user_callbacks.CallSVC = &Kernel::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() {
+    UNIMPLEMENTED();
 }
 
-void ARM_Dynarmic::MapBackingMemory(VAddr address, size_t size, u8* memory, Kernel::VMAPermission perms) {
+void ARM_Dynarmic::MapBackingMemory(VAddr /*address*/, size_t /*size*/, u8* /*memory*/,
+                                    Kernel::VMAPermission /*perms*/) {
+    UNIMPLEMENTED();
 }
 
-void ARM_Dynarmic::SetPC(u64 pc) {
-    jit->Regs64()[32] = pc;
+void ARM_Dynarmic::SetPC(u64 /*pc*/) {
+    UNIMPLEMENTED();
 }
 
 u64 ARM_Dynarmic::GetPC() const {
-    return jit->Regs64()[32];
+    UNIMPLEMENTED();
+    return {};
 }
 
-u64 ARM_Dynarmic::GetReg(int index) const {
-    return jit->Regs64()[index];
+u64 ARM_Dynarmic::GetReg(int /*index*/) const {
+    UNIMPLEMENTED();
+    return {};
 }
 
-void ARM_Dynarmic::SetReg(int index, u64 value) {
-    jit->Regs64()[index] = value;
+void ARM_Dynarmic::SetReg(int /*index*/, u64 /*value*/) {
+    UNIMPLEMENTED();
 }
 
-const u128& ARM_Dynarmic::GetExtReg(int index) const {
-    return jit->ExtRegs64()[index];
+const u128& ARM_Dynarmic::GetExtReg(int /*index*/) const {
+    UNIMPLEMENTED();
+    static constexpr u128 res{};
+    return res;
 }
 
-void ARM_Dynarmic::SetExtReg(int index, u128& value) {
-    jit->ExtRegs64()[index] = value;
+void ARM_Dynarmic::SetExtReg(int /*index*/, u128& /*value*/) {
+    UNIMPLEMENTED();
 }
 
-u32 ARM_Dynarmic::GetVFPReg(int index) const {
+u32 ARM_Dynarmic::GetVFPReg(int /*index*/) const {
+    UNIMPLEMENTED();
     return {};
 }
 
-void ARM_Dynarmic::SetVFPReg(int index, u32 value) {
+void ARM_Dynarmic::SetVFPReg(int /*index*/, u32 /*value*/) {
+    UNIMPLEMENTED();
 }
 
 u32 ARM_Dynarmic::GetCPSR() const {
-    return jit->Cpsr();
+    UNIMPLEMENTED();
+    return {};
 }
 
-void ARM_Dynarmic::SetCPSR(u32 cpsr) {
-    jit->Cpsr() = cpsr;
+void ARM_Dynarmic::SetCPSR(u32 /*cpsr*/) {
+    UNIMPLEMENTED();
 }
 
 VAddr ARM_Dynarmic::GetTlsAddress() const {
-    return jit->TlsAddr();
+    UNIMPLEMENTED();
+    return {};
 }
 
-void ARM_Dynarmic::SetTlsAddress(VAddr address) {
-    jit->TlsAddr() = address;
+void ARM_Dynarmic::SetTlsAddress(VAddr /*address*/) {
+    UNIMPLEMENTED();
 }
 
-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::ExecuteInstructions(int /*num_instructions*/) {
+    UNIMPLEMENTED();
 }
 
-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::SaveContext(ARM_Interface::ThreadContext& /*ctx*/) {
+    UNIMPLEMENTED();
 }
 
-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::LoadContext(const ARM_Interface::ThreadContext& /*ctx*/) {
+    UNIMPLEMENTED();
 }
 
 void ARM_Dynarmic::PrepareReschedule() {
-    if (jit->IsExecuting()) {
-        jit->HaltExecution();
-    }
+    UNIMPLEMENTED();
 }
 
 void ARM_Dynarmic::ClearInstructionCache() {
-    jit->ClearCache();
+    UNIMPLEMENTED();
 }
 
 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));
+    UNIMPLEMENTED();
 }

src/core/arm/dynarmic/arm_dynarmic.h

@@ -1,4 +1,4 @@
-// Copyright 2016 Citra Emulator Project
+// Copyright 2018 Yuzu Emulator Team
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
@@ -6,7 +6,6 @@
 
 #include <map>
 #include <memory>
-#include <dynarmic/dynarmic.h>
 #include "common/common_types.h"
 #include "core/arm/arm_interface.h"
 
@@ -18,7 +17,8 @@ class ARM_Dynarmic final : public ARM_Interface {
 public:
     ARM_Dynarmic();
 
-    void MapBackingMemory(VAddr address, size_t size, u8* memory, Kernel::VMAPermission perms) override;
+    void MapBackingMemory(VAddr address, size_t size, u8* memory,
+                          Kernel::VMAPermission perms) override;
 
     void SetPC(u64 pc) override;
     u64 GetPC() const override;
@@ -41,9 +41,4 @@ public:
 
     void ClearInstructionCache() override;
     void PageTableChanged() override;
-
-private:
-    Dynarmic::Jit* jit = nullptr;
-    Memory::PageTable* current_page_table = nullptr;
-    std::map<Memory::PageTable*, std::unique_ptr<Dynarmic::Jit>> jits;
 };