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-rw-r--r--src/core/arm/arm_interface.cpp4
-rw-r--r--src/core/arm/arm_interface.h18
-rw-r--r--src/core/arm/cpu_interrupt_handler.cpp24
-rw-r--r--src/core/arm/cpu_interrupt_handler.h39
-rw-r--r--src/core/arm/dynarmic/arm_dynarmic_32.cpp61
-rw-r--r--src/core/arm/dynarmic/arm_dynarmic_32.h5
-rw-r--r--src/core/arm/dynarmic/arm_dynarmic_64.cpp44
-rw-r--r--src/core/arm/dynarmic/arm_dynarmic_64.h6
-rw-r--r--src/core/arm/dynarmic/arm_dynarmic_cp15.cpp36
-rw-r--r--src/core/arm/dynarmic/arm_dynarmic_cp15.h7
10 files changed, 114 insertions, 130 deletions
diff --git a/src/core/arm/arm_interface.cpp b/src/core/arm/arm_interface.cpp
index cef79b245..953d96439 100644
--- a/src/core/arm/arm_interface.cpp
+++ b/src/core/arm/arm_interface.cpp
@@ -147,7 +147,6 @@ void ARM_Interface::Run() {
// Notify the debugger and go to sleep if a watchpoint was hit.
if (Has(hr, watchpoint)) {
- RewindBreakpointInstruction();
if (system.DebuggerEnabled()) {
system.GetDebugger().NotifyThreadWatchpoint(current_thread, *HaltedWatchpoint());
}
@@ -155,9 +154,10 @@ void ARM_Interface::Run() {
break;
}
- // Handle syscalls and scheduling (this may change the current thread)
+ // Handle syscalls and scheduling (this may change the current thread/core)
if (Has(hr, svc_call)) {
Kernel::Svc::Call(system, GetSvcNumber());
+ break;
}
if (Has(hr, break_loop) || !uses_wall_clock) {
break;
diff --git a/src/core/arm/arm_interface.h b/src/core/arm/arm_interface.h
index 8a066ed91..7d62d030e 100644
--- a/src/core/arm/arm_interface.h
+++ b/src/core/arm/arm_interface.h
@@ -1,6 +1,5 @@
-// Copyright 2014 Citra Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
+// SPDX-FileCopyrightText: 2014 Citra Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
@@ -28,7 +27,6 @@ namespace Core {
class System;
class CPUInterruptHandler;
-using CPUInterrupts = std::array<CPUInterruptHandler, Core::Hardware::NUM_CPU_CORES>;
using WatchpointArray = std::array<Kernel::DebugWatchpoint, Core::Hardware::NUM_WATCHPOINTS>;
/// Generic ARMv8 CPU interface
@@ -37,10 +35,8 @@ public:
YUZU_NON_COPYABLE(ARM_Interface);
YUZU_NON_MOVEABLE(ARM_Interface);
- explicit ARM_Interface(System& system_, CPUInterrupts& interrupt_handlers_,
- bool uses_wall_clock_)
- : system{system_}, interrupt_handlers{interrupt_handlers_}, uses_wall_clock{
- uses_wall_clock_} {}
+ explicit ARM_Interface(System& system_, bool uses_wall_clock_)
+ : system{system_}, uses_wall_clock{uses_wall_clock_} {}
virtual ~ARM_Interface() = default;
struct ThreadContext32 {
@@ -182,6 +178,9 @@ public:
/// Signal an interrupt and ask the core to halt as soon as possible.
virtual void SignalInterrupt() = 0;
+ /// Clear a previous interrupt.
+ virtual void ClearInterrupt() = 0;
+
struct BacktraceEntry {
std::string module;
u64 address;
@@ -203,13 +202,12 @@ public:
static constexpr Dynarmic::HaltReason break_loop = Dynarmic::HaltReason::UserDefined2;
static constexpr Dynarmic::HaltReason svc_call = Dynarmic::HaltReason::UserDefined3;
static constexpr Dynarmic::HaltReason breakpoint = Dynarmic::HaltReason::UserDefined4;
- static constexpr Dynarmic::HaltReason watchpoint = Dynarmic::HaltReason::UserDefined5;
+ static constexpr Dynarmic::HaltReason watchpoint = Dynarmic::HaltReason::MemoryAbort;
static constexpr Dynarmic::HaltReason no_execute = Dynarmic::HaltReason::UserDefined6;
protected:
/// System context that this ARM interface is running under.
System& system;
- CPUInterrupts& interrupt_handlers;
const WatchpointArray* watchpoints;
bool uses_wall_clock;
diff --git a/src/core/arm/cpu_interrupt_handler.cpp b/src/core/arm/cpu_interrupt_handler.cpp
deleted file mode 100644
index 77b6194d7..000000000
--- a/src/core/arm/cpu_interrupt_handler.cpp
+++ /dev/null
@@ -1,24 +0,0 @@
-// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-#include "common/thread.h"
-#include "core/arm/cpu_interrupt_handler.h"
-
-namespace Core {
-
-CPUInterruptHandler::CPUInterruptHandler() : interrupt_event{std::make_unique<Common::Event>()} {}
-
-CPUInterruptHandler::~CPUInterruptHandler() = default;
-
-void CPUInterruptHandler::SetInterrupt(bool is_interrupted_) {
- if (is_interrupted_) {
- interrupt_event->Set();
- }
- is_interrupted = is_interrupted_;
-}
-
-void CPUInterruptHandler::AwaitInterrupt() {
- interrupt_event->Wait();
-}
-
-} // namespace Core
diff --git a/src/core/arm/cpu_interrupt_handler.h b/src/core/arm/cpu_interrupt_handler.h
deleted file mode 100644
index 286e12e53..000000000
--- a/src/core/arm/cpu_interrupt_handler.h
+++ /dev/null
@@ -1,39 +0,0 @@
-// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-#pragma once
-
-#include <atomic>
-#include <memory>
-
-namespace Common {
-class Event;
-}
-
-namespace Core {
-
-class CPUInterruptHandler {
-public:
- CPUInterruptHandler();
- ~CPUInterruptHandler();
-
- CPUInterruptHandler(const CPUInterruptHandler&) = delete;
- CPUInterruptHandler& operator=(const CPUInterruptHandler&) = delete;
-
- CPUInterruptHandler(CPUInterruptHandler&&) = delete;
- CPUInterruptHandler& operator=(CPUInterruptHandler&&) = delete;
-
- bool IsInterrupted() const {
- return is_interrupted;
- }
-
- void SetInterrupt(bool is_interrupted);
-
- void AwaitInterrupt();
-
-private:
- std::unique_ptr<Common::Event> interrupt_event;
- std::atomic_bool is_interrupted{false};
-};
-
-} // namespace Core
diff --git a/src/core/arm/dynarmic/arm_dynarmic_32.cpp b/src/core/arm/dynarmic/arm_dynarmic_32.cpp
index 1be5fe1c1..d1e70f19d 100644
--- a/src/core/arm/dynarmic/arm_dynarmic_32.cpp
+++ b/src/core/arm/dynarmic/arm_dynarmic_32.cpp
@@ -11,7 +11,6 @@
#include "common/logging/log.h"
#include "common/page_table.h"
#include "common/settings.h"
-#include "core/arm/cpu_interrupt_handler.h"
#include "core/arm/dynarmic/arm_dynarmic_32.h"
#include "core/arm/dynarmic/arm_dynarmic_cp15.h"
#include "core/arm/dynarmic/arm_exclusive_monitor.h"
@@ -52,7 +51,7 @@ public:
if (!memory.IsValidVirtualAddressRange(vaddr, sizeof(u32))) {
return std::nullopt;
}
- return MemoryRead32(vaddr);
+ return memory.Read32(vaddr);
}
void MemoryWrite8(u32 vaddr, u8 value) override {
@@ -97,7 +96,7 @@ public:
parent.LogBacktrace();
LOG_ERROR(Core_ARM,
"Unimplemented instruction @ 0x{:X} for {} instructions (instr = {:08X})", pc,
- num_instructions, MemoryRead32(pc));
+ num_instructions, memory.Read32(pc));
}
void ExceptionRaised(u32 pc, Dynarmic::A32::Exception exception) override {
@@ -115,7 +114,7 @@ public:
parent.LogBacktrace();
LOG_CRITICAL(Core_ARM,
"ExceptionRaised(exception = {}, pc = {:08X}, code = {:08X}, thumb = {})",
- exception, pc, MemoryRead32(pc), parent.IsInThumbMode());
+ exception, pc, memory.Read32(pc), parent.IsInThumbMode());
}
}
@@ -125,7 +124,9 @@ public:
}
void AddTicks(u64 ticks) override {
- ASSERT_MSG(!parent.uses_wall_clock, "This should never happen - dynarmic ticking disabled");
+ if (parent.uses_wall_clock) {
+ return;
+ }
// Divide the number of ticks by the amount of CPU cores. TODO(Subv): This yields only a
// rough approximation of the amount of executed ticks in the system, it may be thrown off
@@ -142,7 +143,12 @@ public:
}
u64 GetTicksRemaining() override {
- ASSERT_MSG(!parent.uses_wall_clock, "This should never happen - dynarmic ticking disabled");
+ if (parent.uses_wall_clock) {
+ if (!IsInterrupted()) {
+ return minimum_run_cycles;
+ }
+ return 0U;
+ }
return std::max<s64>(parent.system.CoreTiming().GetDowncount(), 0);
}
@@ -155,7 +161,7 @@ public:
const auto match{parent.MatchingWatchpoint(addr, size, type)};
if (match) {
parent.halted_watchpoint = match;
- ReturnException(parent.jit.load()->Regs()[15], ARM_Interface::watchpoint);
+ parent.jit.load()->HaltExecution(ARM_Interface::watchpoint);
return false;
}
@@ -168,11 +174,15 @@ public:
parent.jit.load()->HaltExecution(hr);
}
+ bool IsInterrupted() {
+ return parent.system.Kernel().PhysicalCore(parent.core_index).IsInterrupted();
+ }
+
ARM_Dynarmic_32& parent;
Core::Memory::Memory& memory;
std::size_t num_interpreted_instructions{};
bool debugger_enabled{};
- static constexpr u64 minimum_run_cycles = 1000U;
+ static constexpr u64 minimum_run_cycles = 10000U;
};
std::shared_ptr<Dynarmic::A32::Jit> ARM_Dynarmic_32::MakeJit(Common::PageTable* page_table) const {
@@ -180,19 +190,21 @@ std::shared_ptr<Dynarmic::A32::Jit> ARM_Dynarmic_32::MakeJit(Common::PageTable*
config.callbacks = cb.get();
config.coprocessors[15] = cp15;
config.define_unpredictable_behaviour = true;
- static constexpr std::size_t PAGE_BITS = 12;
- static constexpr std::size_t NUM_PAGE_TABLE_ENTRIES = 1 << (32 - PAGE_BITS);
+ static constexpr std::size_t YUZU_PAGEBITS = 12;
+ static constexpr std::size_t NUM_PAGE_TABLE_ENTRIES = 1 << (32 - YUZU_PAGEBITS);
if (page_table) {
config.page_table = reinterpret_cast<std::array<std::uint8_t*, NUM_PAGE_TABLE_ENTRIES>*>(
page_table->pointers.data());
+ config.absolute_offset_page_table = true;
+ config.page_table_pointer_mask_bits = Common::PageTable::ATTRIBUTE_BITS;
+ config.detect_misaligned_access_via_page_table = 16 | 32 | 64 | 128;
+ config.only_detect_misalignment_via_page_table_on_page_boundary = true;
+
config.fastmem_pointer = page_table->fastmem_arena;
+
+ config.fastmem_exclusive_access = config.fastmem_pointer != nullptr;
+ config.recompile_on_exclusive_fastmem_failure = true;
}
- config.absolute_offset_page_table = true;
- config.page_table_pointer_mask_bits = Common::PageTable::ATTRIBUTE_BITS;
- config.detect_misaligned_access_via_page_table = 16 | 32 | 64 | 128;
- config.only_detect_misalignment_via_page_table_on_page_boundary = true;
- config.fastmem_exclusive_access = true;
- config.recompile_on_exclusive_fastmem_failure = true;
// Multi-process state
config.processor_id = core_index;
@@ -200,11 +212,10 @@ std::shared_ptr<Dynarmic::A32::Jit> ARM_Dynarmic_32::MakeJit(Common::PageTable*
// Timing
config.wall_clock_cntpct = uses_wall_clock;
- config.enable_cycle_counting = !uses_wall_clock;
+ config.enable_cycle_counting = true;
// Code cache size
config.code_cache_size = 512_MiB;
- config.far_code_offset = 400_MiB;
// Allow memory fault handling to work
if (system.DebuggerEnabled()) {
@@ -215,7 +226,6 @@ std::shared_ptr<Dynarmic::A32::Jit> ARM_Dynarmic_32::MakeJit(Common::PageTable*
if (!page_table) {
// Don't waste too much memory on null_jit
config.code_cache_size = 8_MiB;
- config.far_code_offset = 4_MiB;
}
// Safe optimizations
@@ -246,6 +256,7 @@ std::shared_ptr<Dynarmic::A32::Jit> ARM_Dynarmic_32::MakeJit(Common::PageTable*
}
if (!Settings::values.cpuopt_fastmem) {
config.fastmem_pointer = nullptr;
+ config.fastmem_exclusive_access = false;
}
if (!Settings::values.cpuopt_fastmem_exclusives) {
config.fastmem_exclusive_access = false;
@@ -313,11 +324,9 @@ void ARM_Dynarmic_32::RewindBreakpointInstruction() {
LoadContext(breakpoint_context);
}
-ARM_Dynarmic_32::ARM_Dynarmic_32(System& system_, CPUInterrupts& interrupt_handlers_,
- bool uses_wall_clock_, ExclusiveMonitor& exclusive_monitor_,
- std::size_t core_index_)
- : ARM_Interface{system_, interrupt_handlers_, uses_wall_clock_},
- cb(std::make_unique<DynarmicCallbacks32>(*this)),
+ARM_Dynarmic_32::ARM_Dynarmic_32(System& system_, bool uses_wall_clock_,
+ ExclusiveMonitor& exclusive_monitor_, std::size_t core_index_)
+ : ARM_Interface{system_, uses_wall_clock_}, cb(std::make_unique<DynarmicCallbacks32>(*this)),
cp15(std::make_shared<DynarmicCP15>(*this)), core_index{core_index_},
exclusive_monitor{dynamic_cast<DynarmicExclusiveMonitor&>(exclusive_monitor_)},
null_jit{MakeJit(nullptr)}, jit{null_jit.get()} {}
@@ -396,6 +405,10 @@ void ARM_Dynarmic_32::SignalInterrupt() {
jit.load()->HaltExecution(break_loop);
}
+void ARM_Dynarmic_32::ClearInterrupt() {
+ jit.load()->ClearHalt(break_loop);
+}
+
void ARM_Dynarmic_32::ClearInstructionCache() {
jit.load()->ClearCache();
}
diff --git a/src/core/arm/dynarmic/arm_dynarmic_32.h b/src/core/arm/dynarmic/arm_dynarmic_32.h
index 346e9abf8..d24ba2289 100644
--- a/src/core/arm/dynarmic/arm_dynarmic_32.h
+++ b/src/core/arm/dynarmic/arm_dynarmic_32.h
@@ -28,8 +28,8 @@ class System;
class ARM_Dynarmic_32 final : public ARM_Interface {
public:
- ARM_Dynarmic_32(System& system_, CPUInterrupts& interrupt_handlers_, bool uses_wall_clock_,
- ExclusiveMonitor& exclusive_monitor_, std::size_t core_index_);
+ ARM_Dynarmic_32(System& system_, bool uses_wall_clock_, ExclusiveMonitor& exclusive_monitor_,
+ std::size_t core_index_);
~ARM_Dynarmic_32() override;
void SetPC(u64 pc) override;
@@ -56,6 +56,7 @@ public:
void LoadContext(const ThreadContext64& ctx) override {}
void SignalInterrupt() override;
+ void ClearInterrupt() override;
void ClearExclusiveState() override;
void ClearInstructionCache() override;
diff --git a/src/core/arm/dynarmic/arm_dynarmic_64.cpp b/src/core/arm/dynarmic/arm_dynarmic_64.cpp
index c437f24b8..1d46f6d40 100644
--- a/src/core/arm/dynarmic/arm_dynarmic_64.cpp
+++ b/src/core/arm/dynarmic/arm_dynarmic_64.cpp
@@ -10,7 +10,6 @@
#include "common/logging/log.h"
#include "common/page_table.h"
#include "common/settings.h"
-#include "core/arm/cpu_interrupt_handler.h"
#include "core/arm/dynarmic/arm_dynarmic_64.h"
#include "core/arm/dynarmic/arm_exclusive_monitor.h"
#include "core/core.h"
@@ -56,7 +55,7 @@ public:
if (!memory.IsValidVirtualAddressRange(vaddr, sizeof(u32))) {
return std::nullopt;
}
- return MemoryRead32(vaddr);
+ return memory.Read32(vaddr);
}
void MemoryWrite8(u64 vaddr, u8 value) override {
@@ -111,7 +110,7 @@ public:
parent.LogBacktrace();
LOG_ERROR(Core_ARM,
"Unimplemented instruction @ 0x{:X} for {} instructions (instr = {:08X})", pc,
- num_instructions, MemoryRead32(pc));
+ num_instructions, memory.Read32(pc));
}
void InstructionCacheOperationRaised(Dynarmic::A64::InstructionCacheOperation op,
@@ -156,7 +155,7 @@ public:
parent.LogBacktrace();
LOG_CRITICAL(Core_ARM, "ExceptionRaised(exception = {}, pc = {:08X}, code = {:08X})",
- static_cast<std::size_t>(exception), pc, MemoryRead32(pc));
+ static_cast<std::size_t>(exception), pc, memory.Read32(pc));
}
}
@@ -166,7 +165,9 @@ public:
}
void AddTicks(u64 ticks) override {
- ASSERT_MSG(!parent.uses_wall_clock, "This should never happen - dynarmic ticking disabled");
+ if (parent.uses_wall_clock) {
+ return;
+ }
// Divide the number of ticks by the amount of CPU cores. TODO(Subv): This yields only a
// rough approximation of the amount of executed ticks in the system, it may be thrown off
@@ -181,7 +182,12 @@ public:
}
u64 GetTicksRemaining() override {
- ASSERT_MSG(!parent.uses_wall_clock, "This should never happen - dynarmic ticking disabled");
+ if (parent.uses_wall_clock) {
+ if (!IsInterrupted()) {
+ return minimum_run_cycles;
+ }
+ return 0U;
+ }
return std::max<s64>(parent.system.CoreTiming().GetDowncount(), 0);
}
@@ -198,7 +204,7 @@ public:
const auto match{parent.MatchingWatchpoint(addr, size, type)};
if (match) {
parent.halted_watchpoint = match;
- ReturnException(parent.jit.load()->GetPC(), ARM_Interface::watchpoint);
+ parent.jit.load()->HaltExecution(ARM_Interface::watchpoint);
return false;
}
@@ -211,12 +217,16 @@ public:
parent.jit.load()->HaltExecution(hr);
}
+ bool IsInterrupted() {
+ return parent.system.Kernel().PhysicalCore(parent.core_index).IsInterrupted();
+ }
+
ARM_Dynarmic_64& parent;
Core::Memory::Memory& memory;
u64 tpidrro_el0 = 0;
u64 tpidr_el0 = 0;
bool debugger_enabled{};
- static constexpr u64 minimum_run_cycles = 1000U;
+ static constexpr u64 minimum_run_cycles = 10000U;
};
std::shared_ptr<Dynarmic::A64::Jit> ARM_Dynarmic_64::MakeJit(Common::PageTable* page_table,
@@ -240,7 +250,7 @@ std::shared_ptr<Dynarmic::A64::Jit> ARM_Dynarmic_64::MakeJit(Common::PageTable*
config.fastmem_address_space_bits = address_space_bits;
config.silently_mirror_fastmem = false;
- config.fastmem_exclusive_access = true;
+ config.fastmem_exclusive_access = config.fastmem_pointer != nullptr;
config.recompile_on_exclusive_fastmem_failure = true;
}
@@ -260,11 +270,10 @@ std::shared_ptr<Dynarmic::A64::Jit> ARM_Dynarmic_64::MakeJit(Common::PageTable*
// Timing
config.wall_clock_cntpct = uses_wall_clock;
- config.enable_cycle_counting = !uses_wall_clock;
+ config.enable_cycle_counting = true;
// Code cache size
config.code_cache_size = 512_MiB;
- config.far_code_offset = 400_MiB;
// Allow memory fault handling to work
if (system.DebuggerEnabled()) {
@@ -275,7 +284,6 @@ std::shared_ptr<Dynarmic::A64::Jit> ARM_Dynarmic_64::MakeJit(Common::PageTable*
if (!page_table) {
// Don't waste too much memory on null_jit
config.code_cache_size = 8_MiB;
- config.far_code_offset = 4_MiB;
}
// Safe optimizations
@@ -306,6 +314,7 @@ std::shared_ptr<Dynarmic::A64::Jit> ARM_Dynarmic_64::MakeJit(Common::PageTable*
}
if (!Settings::values.cpuopt_fastmem) {
config.fastmem_pointer = nullptr;
+ config.fastmem_exclusive_access = false;
}
if (!Settings::values.cpuopt_fastmem_exclusives) {
config.fastmem_exclusive_access = false;
@@ -373,10 +382,9 @@ void ARM_Dynarmic_64::RewindBreakpointInstruction() {
LoadContext(breakpoint_context);
}
-ARM_Dynarmic_64::ARM_Dynarmic_64(System& system_, CPUInterrupts& interrupt_handlers_,
- bool uses_wall_clock_, ExclusiveMonitor& exclusive_monitor_,
- std::size_t core_index_)
- : ARM_Interface{system_, interrupt_handlers_, uses_wall_clock_},
+ARM_Dynarmic_64::ARM_Dynarmic_64(System& system_, bool uses_wall_clock_,
+ ExclusiveMonitor& exclusive_monitor_, std::size_t core_index_)
+ : ARM_Interface{system_, uses_wall_clock_},
cb(std::make_unique<DynarmicCallbacks64>(*this)), core_index{core_index_},
exclusive_monitor{dynamic_cast<DynarmicExclusiveMonitor&>(exclusive_monitor_)},
null_jit{MakeJit(nullptr, 48)}, jit{null_jit.get()} {}
@@ -463,6 +471,10 @@ void ARM_Dynarmic_64::SignalInterrupt() {
jit.load()->HaltExecution(break_loop);
}
+void ARM_Dynarmic_64::ClearInterrupt() {
+ jit.load()->ClearHalt(break_loop);
+}
+
void ARM_Dynarmic_64::ClearInstructionCache() {
jit.load()->ClearCache();
}
diff --git a/src/core/arm/dynarmic/arm_dynarmic_64.h b/src/core/arm/dynarmic/arm_dynarmic_64.h
index c77a83ad7..ed1a5eb96 100644
--- a/src/core/arm/dynarmic/arm_dynarmic_64.h
+++ b/src/core/arm/dynarmic/arm_dynarmic_64.h
@@ -20,14 +20,13 @@ class Memory;
namespace Core {
class DynarmicCallbacks64;
-class CPUInterruptHandler;
class DynarmicExclusiveMonitor;
class System;
class ARM_Dynarmic_64 final : public ARM_Interface {
public:
- ARM_Dynarmic_64(System& system_, CPUInterrupts& interrupt_handlers_, bool uses_wall_clock_,
- ExclusiveMonitor& exclusive_monitor_, std::size_t core_index_);
+ ARM_Dynarmic_64(System& system_, bool uses_wall_clock_, ExclusiveMonitor& exclusive_monitor_,
+ std::size_t core_index_);
~ARM_Dynarmic_64() override;
void SetPC(u64 pc) override;
@@ -50,6 +49,7 @@ public:
void LoadContext(const ThreadContext64& ctx) override;
void SignalInterrupt() override;
+ void ClearInterrupt() override;
void ClearExclusiveState() override;
void ClearInstructionCache() override;
diff --git a/src/core/arm/dynarmic/arm_dynarmic_cp15.cpp b/src/core/arm/dynarmic/arm_dynarmic_cp15.cpp
index 6aae79c48..200efe4db 100644
--- a/src/core/arm/dynarmic/arm_dynarmic_cp15.cpp
+++ b/src/core/arm/dynarmic/arm_dynarmic_cp15.cpp
@@ -1,6 +1,5 @@
-// Copyright 2017 Citra Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
+// SPDX-FileCopyrightText: 2017 Citra Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
#include <fmt/format.h>
#include "common/logging/log.h"
@@ -9,6 +8,10 @@
#include "core/core.h"
#include "core/core_timing.h"
+#ifdef _MSC_VER
+#include <intrin.h>
+#endif
+
using Callback = Dynarmic::A32::Coprocessor::Callback;
using CallbackOrAccessOneWord = Dynarmic::A32::Coprocessor::CallbackOrAccessOneWord;
using CallbackOrAccessTwoWords = Dynarmic::A32::Coprocessor::CallbackOrAccessTwoWords;
@@ -48,12 +51,31 @@ CallbackOrAccessOneWord DynarmicCP15::CompileSendOneWord(bool two, unsigned opc1
switch (opc2) {
case 4:
// CP15_DATA_SYNC_BARRIER
- // This is a dummy write, we ignore the value written here.
- return &dummy_value;
+ return Callback{
+ [](Dynarmic::A32::Jit*, void*, std::uint32_t, std::uint32_t) -> std::uint64_t {
+#ifdef _MSC_VER
+ _mm_mfence();
+ _mm_lfence();
+#else
+ asm volatile("mfence\n\tlfence\n\t" : : : "memory");
+#endif
+ return 0;
+ },
+ std::nullopt,
+ };
case 5:
// CP15_DATA_MEMORY_BARRIER
- // This is a dummy write, we ignore the value written here.
- return &dummy_value;
+ return Callback{
+ [](Dynarmic::A32::Jit*, void*, std::uint32_t, std::uint32_t) -> std::uint64_t {
+#ifdef _MSC_VER
+ _mm_mfence();
+#else
+ asm volatile("mfence\n\t" : : : "memory");
+#endif
+ return 0;
+ },
+ std::nullopt,
+ };
}
}
diff --git a/src/core/arm/dynarmic/arm_dynarmic_cp15.h b/src/core/arm/dynarmic/arm_dynarmic_cp15.h
index f271b2070..d90b3e568 100644
--- a/src/core/arm/dynarmic/arm_dynarmic_cp15.h
+++ b/src/core/arm/dynarmic/arm_dynarmic_cp15.h
@@ -1,6 +1,5 @@
-// Copyright 2017 Citra Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
+// SPDX-FileCopyrightText: 2017 Citra Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
@@ -36,6 +35,8 @@ public:
ARM_Dynarmic_32& parent;
u32 uprw = 0;
u32 uro = 0;
+
+ friend class ARM_Dynarmic_32;
};
} // namespace Core