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-rw-r--r--src/core/arm/arm_interface.h29
-rw-r--r--src/core/arm/dynarmic/arm_dynarmic.cpp19
-rw-r--r--src/core/arm/dynarmic/arm_dynarmic.h5
-rw-r--r--src/core/arm/unicorn/arm_unicorn.cpp9
-rw-r--r--src/core/arm/unicorn/arm_unicorn.h4
-rw-r--r--src/core/core.cpp12
-rw-r--r--src/core/core.h4
7 files changed, 41 insertions, 41 deletions
diff --git a/src/core/arm/arm_interface.h b/src/core/arm/arm_interface.h
index 5ae60214e..9f2224b78 100644
--- a/src/core/arm/arm_interface.h
+++ b/src/core/arm/arm_interface.h
@@ -25,19 +25,11 @@ public:
VAddr tls_address;
};
- /**
- * Runs the CPU for the given number of instructions
- * @param num_instructions Number of instructions to run
- */
- void Run(int num_instructions) {
- ExecuteInstructions(num_instructions);
- this->num_instructions += num_instructions;
- }
+ /// Runs the CPU until an event happens
+ virtual void Run() = 0;
/// Step CPU by one instruction
- void Step() {
- Run(1);
- }
+ virtual void Step() = 0;
virtual void MapBackingMemory(VAddr address, size_t size, u8* memory,
Kernel::VMAPermission perms) {}
@@ -122,19 +114,4 @@ public:
/// Prepare core for thread reschedule (if needed to correctly handle state)
virtual void PrepareReschedule() = 0;
-
- /// Getter for num_instructions
- u64 GetNumInstructions() const {
- return num_instructions;
- }
-
-protected:
- /**
- * Executes the given number of instructions
- * @param num_instructions Number of instructions to executes
- */
- virtual void ExecuteInstructions(int num_instructions) = 0;
-
-private:
- u64 num_instructions = 0; ///< Number of instructions executed
};
diff --git a/src/core/arm/dynarmic/arm_dynarmic.cpp b/src/core/arm/dynarmic/arm_dynarmic.cpp
index 283d20831..a64ce9551 100644
--- a/src/core/arm/dynarmic/arm_dynarmic.cpp
+++ b/src/core/arm/dynarmic/arm_dynarmic.cpp
@@ -101,11 +101,22 @@ std::unique_ptr<Dynarmic::A64::Jit> MakeJit(const std::unique_ptr<ARM_Dynarmic_C
return std::make_unique<Dynarmic::A64::Jit>(config);
}
+void ARM_Dynarmic::Run() {
+ ASSERT(Memory::GetCurrentPageTable() == current_page_table);
+
+ jit->Run();
+}
+
+void ARM_Dynarmic::Step() {
+ cb->InterpreterFallback(jit->GetPC(), 1);
+}
+
ARM_Dynarmic::ARM_Dynarmic()
: cb(std::make_unique<ARM_Dynarmic_Callbacks>(*this)), jit(MakeJit(cb)) {
ARM_Interface::ThreadContext ctx;
inner_unicorn.SaveContext(ctx);
LoadContext(ctx);
+ PageTableChanged();
}
ARM_Dynarmic::~ARM_Dynarmic() = default;
@@ -164,13 +175,6 @@ void ARM_Dynarmic::SetTlsAddress(u64 address) {
cb->tpidrro_el0 = address;
}
-void ARM_Dynarmic::ExecuteInstructions(int num_instructions) {
- cb->ticks_remaining = num_instructions;
- jit->Run();
- CoreTiming::AddTicks(num_instructions - cb->num_interpreted_instructions);
- cb->num_interpreted_instructions = 0;
-}
-
void ARM_Dynarmic::SaveContext(ARM_Interface::ThreadContext& ctx) {
ctx.cpu_registers = jit->GetRegisters();
ctx.sp = jit->GetSP();
@@ -203,4 +207,5 @@ void ARM_Dynarmic::ClearInstructionCache() {
void ARM_Dynarmic::PageTableChanged() {
jit = MakeJit(cb);
+ current_page_table = Memory::GetCurrentPageTable();
}
diff --git a/src/core/arm/dynarmic/arm_dynarmic.h b/src/core/arm/dynarmic/arm_dynarmic.h
index 1d9dcf5ff..a436ddd0f 100644
--- a/src/core/arm/dynarmic/arm_dynarmic.h
+++ b/src/core/arm/dynarmic/arm_dynarmic.h
@@ -29,6 +29,8 @@ public:
u32 GetVFPReg(int index) const override;
void SetVFPReg(int index, u32 value) override;
u32 GetCPSR() const override;
+ void Run() override;
+ void Step() override;
void SetCPSR(u32 cpsr) override;
VAddr GetTlsAddress() const override;
void SetTlsAddress(VAddr address) override;
@@ -37,7 +39,6 @@ public:
void LoadContext(const ThreadContext& ctx) override;
void PrepareReschedule() override;
- void ExecuteInstructions(int num_instructions) override;
void ClearInstructionCache() override;
void PageTableChanged() override;
@@ -47,4 +48,6 @@ private:
std::unique_ptr<ARM_Dynarmic_Callbacks> cb;
std::unique_ptr<Dynarmic::A64::Jit> jit;
ARM_Unicorn inner_unicorn;
+
+ Memory::PageTable* current_page_table = nullptr;
};
diff --git a/src/core/arm/unicorn/arm_unicorn.cpp b/src/core/arm/unicorn/arm_unicorn.cpp
index fd64eab39..7542ed46a 100644
--- a/src/core/arm/unicorn/arm_unicorn.cpp
+++ b/src/core/arm/unicorn/arm_unicorn.cpp
@@ -2,6 +2,7 @@
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
+#include <algorithm>
#include <unicorn/arm64.h>
#include "common/assert.h"
#include "common/microprofile.h"
@@ -148,6 +149,14 @@ void ARM_Unicorn::SetTlsAddress(VAddr base) {
CHECKED(uc_reg_write(uc, UC_ARM64_REG_TPIDRRO_EL0, &base));
}
+void ARM_Unicorn::Run() {
+ ExecuteInstructions(std::max(CoreTiming::GetDowncount(), 0));
+}
+
+void ARM_Unicorn::Step() {
+ ExecuteInstructions(1);
+}
+
MICROPROFILE_DEFINE(ARM_Jit, "ARM JIT", "ARM JIT", MP_RGB(255, 64, 64));
void ARM_Unicorn::ExecuteInstructions(int num_instructions) {
diff --git a/src/core/arm/unicorn/arm_unicorn.h b/src/core/arm/unicorn/arm_unicorn.h
index c9a561dec..a2841c564 100644
--- a/src/core/arm/unicorn/arm_unicorn.h
+++ b/src/core/arm/unicorn/arm_unicorn.h
@@ -29,7 +29,9 @@ public:
void SaveContext(ThreadContext& ctx) override;
void LoadContext(const ThreadContext& ctx) override;
void PrepareReschedule() override;
- void ExecuteInstructions(int num_instructions) override;
+ void ExecuteInstructions(int num_instructions);
+ void Run() override;
+ void Step() override;
void ClearInstructionCache() override;
void PageTableChanged() override{};
diff --git a/src/core/core.cpp b/src/core/core.cpp
index 613a98b4c..a42cb48eb 100644
--- a/src/core/core.cpp
+++ b/src/core/core.cpp
@@ -26,7 +26,7 @@ namespace Core {
/*static*/ System System::s_instance;
-System::ResultStatus System::RunLoop(int tight_loop) {
+System::ResultStatus System::RunLoop(bool tight_loop) {
status = ResultStatus::Success;
if (!cpu_core) {
return ResultStatus::ErrorNotInitialized;
@@ -40,7 +40,7 @@ System::ResultStatus System::RunLoop(int tight_loop) {
if (GDBStub::GetCpuHaltFlag()) {
if (GDBStub::GetCpuStepFlag()) {
GDBStub::SetCpuStepFlag(false);
- tight_loop = 1;
+ tight_loop = false;
} else {
return ResultStatus::Success;
}
@@ -56,7 +56,11 @@ System::ResultStatus System::RunLoop(int tight_loop) {
PrepareReschedule();
} else {
CoreTiming::Advance();
- cpu_core->Run(tight_loop);
+ if (tight_loop) {
+ cpu_core->Run();
+ } else {
+ cpu_core->Step();
+ }
}
HW::Update();
@@ -66,7 +70,7 @@ System::ResultStatus System::RunLoop(int tight_loop) {
}
System::ResultStatus System::SingleStep() {
- return RunLoop(1);
+ return RunLoop(false);
}
System::ResultStatus System::Load(EmuWindow* emu_window, const std::string& filepath) {
diff --git a/src/core/core.h b/src/core/core.h
index f63cc47cc..2d15ebe34 100644
--- a/src/core/core.h
+++ b/src/core/core.h
@@ -51,10 +51,10 @@ public:
* is not required to do a full dispatch with each instruction. NOTE: the number of instructions
* requested is not guaranteed to run, as this will be interrupted preemptively if a hardware
* update is requested (e.g. on a thread switch).
- * @param tight_loop Number of instructions to execute.
+ * @param tight_loop If false, the CPU single-steps.
* @return Result status, indicating whether or not the operation succeeded.
*/
- ResultStatus RunLoop(int tight_loop = 100000);
+ ResultStatus RunLoop(bool tight_loop = true);
/**
* Step the CPU one instruction
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-14 09:44:23 +0200