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arm_dynarmic: CP15 support

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This commit is contained in:
MerryMage
2016-12-31 14:01:30 +00:00
parent ff28080091
commit 2b36d4c9d7
7 changed files with 132 additions and 7 deletions
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2
externals/dynarmic vendored

Submodule externals/dynarmic updated: 36082087de...9ecdd32b84

2
externals/nihstro vendored

Submodule externals/nihstro updated: 7e24743af2...26a0a04a45

2
src/core/CMakeLists.txt
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@@ -2,6 +2,7 @@ set(SRCS
arm/disassembler/arm_disasm.cpp
arm/disassembler/load_symbol_map.cpp
arm/dynarmic/arm_dynarmic.cpp
arm/dynarmic/arm_dynarmic_cp15.cpp
arm/dyncom/arm_dyncom.cpp
arm/dyncom/arm_dyncom_dec.cpp
arm/dyncom/arm_dyncom_interpreter.cpp
@@ -176,6 +177,7 @@ set(HEADERS
arm/disassembler/arm_disasm.h
arm/disassembler/load_symbol_map.h
arm/dynarmic/arm_dynarmic.h
arm/dynarmic/arm_dynarmic_cp15.h
arm/dyncom/arm_dyncom.h
arm/dyncom/arm_dyncom_dec.h
arm/dyncom/arm_dyncom_interpreter.h

11
src/core/arm/dynarmic/arm_dynarmic.cpp
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@@ -7,6 +7,7 @@
#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"
@@ -39,10 +40,11 @@ static bool IsReadOnlyMemory(u32 vaddr) {
return false;
}
static Dynarmic::UserCallbacks GetUserCallbacks(ARMul_State* interpeter_state) {
static Dynarmic::UserCallbacks GetUserCallbacks(
const std::shared_ptr<ARMul_State>& interpeter_state) {
Dynarmic::UserCallbacks user_callbacks{};
user_callbacks.InterpreterFallback = &InterpreterFallback;
user_callbacks.user_arg = static_cast<void*>(interpeter_state);
user_callbacks.user_arg = static_cast<void*>(interpeter_state.get());
user_callbacks.CallSVC = &SVC::CallSVC;
user_callbacks.IsReadOnlyMemory = &IsReadOnlyMemory;
user_callbacks.MemoryReadCode = &Memory::Read32;
@@ -55,12 +57,13 @@ static Dynarmic::UserCallbacks GetUserCallbacks(ARMul_State* interpeter_state) {
user_callbacks.MemoryWrite32 = &Memory::Write32;
user_callbacks.MemoryWrite64 = &Memory::Write64;
user_callbacks.page_table = Memory::GetCurrentPageTablePointers();
user_callbacks.coprocessors[15] = std::make_shared<DynarmicCP15>(interpeter_state);
return user_callbacks;
}
ARM_Dynarmic::ARM_Dynarmic(PrivilegeMode initial_mode) {
interpreter_state = std::make_unique<ARMul_State>(initial_mode);
jit = std::make_unique<Dynarmic::Jit>(GetUserCallbacks(interpreter_state.get()));
interpreter_state = std::make_shared<ARMul_State>(initial_mode);
jit = std::make_unique<Dynarmic::Jit>(GetUserCallbacks(interpreter_state));
}
void ARM_Dynarmic::SetPC(u32 pc) {

2
src/core/arm/dynarmic/arm_dynarmic.h
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@@ -39,5 +39,5 @@ public:
private:
std::unique_ptr<Dynarmic::Jit> jit;
std::unique_ptr<ARMul_State> interpreter_state;
std::shared_ptr<ARMul_State> interpreter_state;
};

88
src/core/arm/dynarmic/arm_dynarmic_cp15.cpp Normal file
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@@ -0,0 +1,88 @@
// Copyright 2017 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "core/arm/dynarmic/arm_dynarmic_cp15.h"
#include "core/arm/skyeye_common/arm_regformat.h"
#include "core/arm/skyeye_common/armstate.h"
using Callback = Dynarmic::Coprocessor::Callback;
using CallbackOrAccessOneWord = Dynarmic::Coprocessor::CallbackOrAccessOneWord;
using CallbackOrAccessTwoWords = Dynarmic::Coprocessor::CallbackOrAccessTwoWords;
DynarmicCP15::DynarmicCP15(const std::shared_ptr<ARMul_State>& state) : interpreter_state(state) {}
DynarmicCP15::~DynarmicCP15() = default;
boost::optional<Callback> DynarmicCP15::CompileInternalOperation(bool two, unsigned opc1,
CoprocReg CRd, CoprocReg CRn,
CoprocReg CRm, unsigned opc2) {
return boost::none;
}
CallbackOrAccessOneWord DynarmicCP15::CompileSendOneWord(bool two, unsigned opc1, CoprocReg CRn,
CoprocReg CRm, unsigned opc2) {
// TODO(merry): Privileged CP15 registers
if (!two && CRn == CoprocReg::C7 && opc1 == 0 && CRm == CoprocReg::C5 && opc2 == 4) {
// This is a dummy write, we ignore the value written here.
return &interpreter_state->CP15[CP15_FLUSH_PREFETCH_BUFFER];
}
if (!two && CRn == CoprocReg::C7 && opc1 == 0 && CRm == CoprocReg::C10) {
switch (opc2) {
case 4:
// This is a dummy write, we ignore the value written here.
return &interpreter_state->CP15[CP15_DATA_SYNC_BARRIER];
case 5:
// This is a dummy write, we ignore the value written here.
return &interpreter_state->CP15[CP15_DATA_MEMORY_BARRIER];
default:
return boost::blank{};
}
}
if (!two && CRn == CoprocReg::C13 && opc1 == 0 && CRm == CoprocReg::C0 && opc2 == 2) {
return &interpreter_state->CP15[CP15_THREAD_UPRW];
}
return boost::blank{};
}
CallbackOrAccessTwoWords DynarmicCP15::CompileSendTwoWords(bool two, unsigned opc, CoprocReg CRm) {
return boost::blank{};
}
CallbackOrAccessOneWord DynarmicCP15::CompileGetOneWord(bool two, unsigned opc1, CoprocReg CRn,
CoprocReg CRm, unsigned opc2) {
// TODO(merry): Privileged CP15 registers
if (!two && CRn == CoprocReg::C13 && opc1 == 0 && CRm == CoprocReg::C0) {
switch (opc2) {
case 2:
return &interpreter_state->CP15[CP15_THREAD_UPRW];
case 3:
return &interpreter_state->CP15[CP15_THREAD_URO];
default:
return boost::blank{};
}
}
return boost::blank{};
}
CallbackOrAccessTwoWords DynarmicCP15::CompileGetTwoWords(bool two, unsigned opc, CoprocReg CRm) {
return boost::blank{};
}
boost::optional<Callback> DynarmicCP15::CompileLoadWords(bool two, bool long_transfer,
CoprocReg CRd,
boost::optional<u8> option) {
return boost::none;
}
boost::optional<Callback> DynarmicCP15::CompileStoreWords(bool two, bool long_transfer,
CoprocReg CRd,
boost::optional<u8> option) {
return boost::none;
}

32
src/core/arm/dynarmic/arm_dynarmic_cp15.h Normal file
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@@ -0,0 +1,32 @@
// Copyright 2017 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <memory>
#include <dynarmic/coprocessor.h>
#include "common/common_types.h"
struct ARMul_State;
class DynarmicCP15 final : public Dynarmic::Coprocessor {
public:
explicit DynarmicCP15(const std::shared_ptr<ARMul_State>&);
~DynarmicCP15() override;
boost::optional<Callback> CompileInternalOperation(bool two, unsigned opc1, CoprocReg CRd,
CoprocReg CRn, CoprocReg CRm,
unsigned opc2) override;
CallbackOrAccessOneWord CompileSendOneWord(bool two, unsigned opc1, CoprocReg CRn,
CoprocReg CRm, unsigned opc2) override;
CallbackOrAccessTwoWords CompileSendTwoWords(bool two, unsigned opc, CoprocReg CRm) override;
CallbackOrAccessOneWord CompileGetOneWord(bool two, unsigned opc1, CoprocReg CRn, CoprocReg CRm,
unsigned opc2) override;
CallbackOrAccessTwoWords CompileGetTwoWords(bool two, unsigned opc, CoprocReg CRm) override;
boost::optional<Callback> CompileLoadWords(bool two, bool long_transfer, CoprocReg CRd,
boost::optional<u8> option) override;
boost::optional<Callback> CompileStoreWords(bool two, bool long_transfer, CoprocReg CRd,
boost::optional<u8> option) override;
private:
std::shared_ptr<ARMul_State> interpreter_state;
};