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-rw-r--r--src/core/CMakeLists.txt2
-rw-r--r--src/core/arm/unicorn/arm_unicorn.cpp201
-rw-r--r--src/core/arm/unicorn/arm_unicorn.h39
-rw-r--r--src/core/core.cpp9
4 files changed, 242 insertions, 9 deletions
diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt
index 3f47cd286..f3ed33cfb 100644
--- a/src/core/CMakeLists.txt
+++ b/src/core/CMakeLists.txt
@@ -158,7 +158,7 @@ set(HEADERS
create_directory_groups(${SRCS} ${HEADERS})
add_library(core STATIC ${SRCS} ${HEADERS})
target_link_libraries(core PUBLIC common PRIVATE audio_core network video_core)
-target_link_libraries(core PUBLIC Boost::boost PRIVATE cryptopp dynarmic fmt lz4_static)
+target_link_libraries(core PUBLIC Boost::boost PRIVATE cryptopp dynarmic fmt lz4_static unicorn)
if (ENABLE_WEB_SERVICE)
target_link_libraries(core PUBLIC json-headers web_service)
endif()
diff --git a/src/core/arm/unicorn/arm_unicorn.cpp b/src/core/arm/unicorn/arm_unicorn.cpp
new file mode 100644
index 000000000..92aef0654
--- /dev/null
+++ b/src/core/arm/unicorn/arm_unicorn.cpp
@@ -0,0 +1,201 @@
+// Copyright 2018 Yuzu Emulator Team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <unicorn/arm64.h>
+#include "common/assert.h"
+#include "common/microprofile.h"
+#include "core/arm/unicorn/arm_unicorn.h"
+#include "core/core.h"
+#include "core/core_timing.h"
+#include "core/hle/kernel/svc.h"
+
+#define CHECKED(expr) \
+ do { \
+ if (auto _cerr = (expr)) { \
+ ASSERT_MSG(false, "Call " #expr " failed with error: %u (%s)\n", _cerr, \
+ uc_strerror(_cerr)); \
+ } \
+ } while (0)
+
+static void InterruptHook(uc_engine* uc, u32 intNo, void* user_data) {
+ u32 esr{};
+ CHECKED(uc_reg_read(uc, UC_ARM64_REG_ESR, &esr));
+
+ auto ec = esr >> 26;
+ auto iss = esr & 0xFFFFFF;
+
+ switch (ec) {
+ case 0x15: // SVC
+ Kernel::CallSVC(iss);
+ break;
+ }
+}
+
+static bool UnmappedMemoryHook(uc_engine* uc, uc_mem_type type, u64 addr, int size, u64 value,
+ void* user_data) {
+ ARM_Interface::ThreadContext ctx{};
+ Core::CPU().SaveContext(ctx);
+ ASSERT_MSG(false, "Attempted to read from unmapped memory");
+ return {};
+}
+
+ARM_Unicorn::ARM_Unicorn() {
+ CHECKED(uc_open(UC_ARCH_ARM64, UC_MODE_ARM, &uc));
+
+ auto fpv = 3 << 20;
+ CHECKED(uc_reg_write(uc, UC_ARM64_REG_CPACR_EL1, &fpv));
+
+ uc_hook hook{};
+ CHECKED(uc_hook_add(uc, &hook, UC_HOOK_INTR, (void*)InterruptHook, this, 0, -1));
+ CHECKED(uc_hook_add(uc, &hook, UC_HOOK_MEM_INVALID, (void*)UnmappedMemoryHook, this, 0, -1));
+}
+
+ARM_Unicorn::~ARM_Unicorn() {
+ CHECKED(uc_close(uc));
+}
+
+void ARM_Unicorn::MapBackingMemory(VAddr address, size_t size, u8* memory,
+ Kernel::VMAPermission perms) {
+ CHECKED(uc_mem_map_ptr(uc, address, size, static_cast<u32>(perms), memory));
+}
+
+void ARM_Unicorn::SetPC(u64 pc) {
+ CHECKED(uc_reg_write(uc, UC_ARM64_REG_PC, &pc));
+}
+
+u64 ARM_Unicorn::GetPC() const {
+ u64 val{};
+ CHECKED(uc_reg_read(uc, UC_ARM64_REG_PC, &val));
+ return val;
+}
+
+u64 ARM_Unicorn::GetReg(int regn) const {
+ u64 val{};
+ auto treg = UC_ARM64_REG_SP;
+ if (regn <= 28) {
+ treg = (uc_arm64_reg)(UC_ARM64_REG_X0 + regn);
+ } else if (regn < 31) {
+ treg = (uc_arm64_reg)(UC_ARM64_REG_X29 + regn - 29);
+ }
+ CHECKED(uc_reg_read(uc, treg, &val));
+ return val;
+}
+
+void ARM_Unicorn::SetReg(int regn, u64 val) {
+ auto treg = UC_ARM64_REG_SP;
+ if (regn <= 28) {
+ treg = (uc_arm64_reg)(UC_ARM64_REG_X0 + regn);
+ } else if (regn < 31) {
+ treg = (uc_arm64_reg)(UC_ARM64_REG_X29 + regn - 29);
+ }
+ CHECKED(uc_reg_write(uc, treg, &val));
+}
+
+const u128& ARM_Unicorn::GetExtReg(int /*index*/) const {
+ UNIMPLEMENTED();
+ static constexpr u128 res{};
+ return res;
+}
+
+void ARM_Unicorn::SetExtReg(int /*index*/, u128& /*value*/) {
+ UNIMPLEMENTED();
+}
+
+u32 ARM_Unicorn::GetVFPReg(int /*index*/) const {
+ UNIMPLEMENTED();
+ return {};
+}
+
+void ARM_Unicorn::SetVFPReg(int /*index*/, u32 /*value*/) {
+ UNIMPLEMENTED();
+}
+
+u32 ARM_Unicorn::GetCPSR() const {
+ u64 nzcv{};
+ CHECKED(uc_reg_read(uc, UC_ARM64_REG_NZCV, &nzcv));
+ return static_cast<u32>(nzcv);
+}
+
+void ARM_Unicorn::SetCPSR(u32 cpsr) {
+ u64 nzcv = cpsr;
+ CHECKED(uc_reg_write(uc, UC_ARM64_REG_NZCV, &nzcv));
+}
+
+VAddr ARM_Unicorn::GetTlsAddress() const {
+ u64 base{};
+ CHECKED(uc_reg_read(uc, UC_ARM64_REG_TPIDRRO_EL0, &base));
+ return base;
+}
+
+void ARM_Unicorn::SetTlsAddress(VAddr base) {
+ CHECKED(uc_reg_write(uc, UC_ARM64_REG_TPIDRRO_EL0, &base));
+}
+
+MICROPROFILE_DEFINE(ARM_Jit, "ARM JIT", "ARM JIT", MP_RGB(255, 64, 64));
+
+void ARM_Unicorn::ExecuteInstructions(int num_instructions) {
+ MICROPROFILE_SCOPE(ARM_Jit);
+ CHECKED(uc_emu_start(uc, GetPC(), 1ULL << 63, 0, num_instructions));
+ CoreTiming::AddTicks(num_instructions);
+}
+
+void ARM_Unicorn::SaveContext(ARM_Interface::ThreadContext& ctx) {
+ int uregs[32];
+ void* tregs[32];
+
+ CHECKED(uc_reg_read(uc, UC_ARM64_REG_SP, &ctx.sp));
+ CHECKED(uc_reg_read(uc, UC_ARM64_REG_PC, &ctx.pc));
+ CHECKED(uc_reg_read(uc, UC_ARM64_REG_NZCV, &ctx.cpsr));
+
+ for (auto i = 0; i < 29; ++i) {
+ uregs[i] = UC_ARM64_REG_X0 + i;
+ tregs[i] = &ctx.cpu_registers[i];
+ }
+
+ CHECKED(uc_reg_read_batch(uc, uregs, tregs, 29));
+ CHECKED(uc_reg_read(uc, UC_ARM64_REG_X29, &ctx.cpu_registers[29]));
+ CHECKED(uc_reg_read(uc, UC_ARM64_REG_X30, &ctx.lr));
+
+ ctx.tls_address = GetTlsAddress();
+
+ for (int i = 0; i < 32; ++i) {
+ uregs[i] = UC_ARM64_REG_Q0 + i;
+ tregs[i] = &ctx.fpu_registers[i];
+ }
+
+ CHECKED(uc_reg_read_batch(uc, uregs, tregs, 32));
+}
+
+void ARM_Unicorn::LoadContext(const ARM_Interface::ThreadContext& ctx) {
+ int uregs[32];
+ void* tregs[32];
+
+ CHECKED(uc_reg_write(uc, UC_ARM64_REG_SP, &ctx.sp));
+ CHECKED(uc_reg_write(uc, UC_ARM64_REG_PC, &ctx.pc));
+ CHECKED(uc_reg_write(uc, UC_ARM64_REG_NZCV, &ctx.cpsr));
+
+ for (int i = 0; i < 29; ++i) {
+ uregs[i] = UC_ARM64_REG_X0 + i;
+ tregs[i] = (void*)&ctx.cpu_registers[i];
+ }
+
+ CHECKED(uc_reg_write_batch(uc, uregs, tregs, 29));
+ CHECKED(uc_reg_write(uc, UC_ARM64_REG_X29, &ctx.cpu_registers[29]));
+ CHECKED(uc_reg_write(uc, UC_ARM64_REG_X30, &ctx.lr));
+
+ SetTlsAddress(ctx.tls_address);
+
+ for (auto i = 0; i < 32; ++i) {
+ uregs[i] = UC_ARM64_REG_Q0 + i;
+ tregs[i] = (void*)&ctx.fpu_registers[i];
+ }
+
+ CHECKED(uc_reg_write_batch(uc, uregs, tregs, 32));
+}
+
+void ARM_Unicorn::PrepareReschedule() {
+ CHECKED(uc_emu_stop(uc));
+}
+
+void ARM_Unicorn::ClearInstructionCache() {}
diff --git a/src/core/arm/unicorn/arm_unicorn.h b/src/core/arm/unicorn/arm_unicorn.h
new file mode 100644
index 000000000..90db3eb7f
--- /dev/null
+++ b/src/core/arm/unicorn/arm_unicorn.h
@@ -0,0 +1,39 @@
+// Copyright 2018 Yuzu Emulator Team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <unicorn/unicorn.h>
+#include "common/common_types.h"
+#include "core/arm/arm_interface.h"
+
+class ARM_Unicorn final : public ARM_Interface {
+
+public:
+ ARM_Unicorn();
+ ~ARM_Unicorn();
+ void MapBackingMemory(VAddr address, size_t size, u8* memory,
+ Kernel::VMAPermission perms) override;
+ void SetPC(u64 pc) override;
+ u64 GetPC() const override;
+ u64 GetReg(int index) const override;
+ void SetReg(int index, u64 value) override;
+ const u128& GetExtReg(int index) const override;
+ void SetExtReg(int index, u128& value) override;
+ u32 GetVFPReg(int index) const override;
+ void SetVFPReg(int index, u32 value) override;
+ u32 GetCPSR() const override;
+ void SetCPSR(u32 cpsr) override;
+ VAddr GetTlsAddress() const override;
+ void SetTlsAddress(VAddr address) override;
+ void SaveContext(ThreadContext& ctx) override;
+ void LoadContext(const ThreadContext& ctx) override;
+ void PrepareReschedule() override;
+ void ExecuteInstructions(int num_instructions) override;
+ void ClearInstructionCache() override;
+ void PageTableChanged() override{};
+
+private:
+ uc_engine* uc{};
+};
diff --git a/src/core/core.cpp b/src/core/core.cpp
index 886cb0972..d7e2450ff 100644
--- a/src/core/core.cpp
+++ b/src/core/core.cpp
@@ -6,8 +6,6 @@
#include <utility>
#include "audio_core/audio_core.h"
#include "common/logging/log.h"
-#include "core/arm/arm_interface.h"
-#include "core/arm/dynarmic/arm_dynarmic.h"
#include "core/arm/unicorn/arm_unicorn.h"
#include "core/core.h"
#include "core/core_timing.h"
@@ -140,12 +138,7 @@ void System::Reschedule() {
System::ResultStatus System::Init(EmuWindow* emu_window, u32 system_mode) {
LOG_DEBUG(HW_Memory, "initialized OK");
- if (Settings::values.use_cpu_jit) {
- cpu_core = std::make_unique<ARM_Dynarmic>();
- } else {
- cpu_core = std::make_unique<ARM_Unicorn>();
- }
-
+ cpu_core = std::make_unique<ARM_Unicorn>();
telemetry_session = std::make_unique<Core::TelemetrySession>();
CoreTiming::Init();
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-30 23:02:45 +0100