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authorFernando S <fsahmkow27@gmail.com>2022-04-07 16:21:41 +0200
committerGitHub <noreply@github.com>2022-04-07 16:21:41 +0200
commit50192eb4adfa59703d13c7b77797a4eb092d9301 (patch)
treef1d4f9e5eb519185d343ec0f92f7e50da8bbe1dc /src/core/arm/dynarmic
parentMerge pull request #8143 from merryhime/rdtsc (diff)
parentarm_dynarmic: Use HaltReason for svc calls and reschedules (diff)
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Diffstat (limited to 'src/core/arm/dynarmic')
-rw-r--r--src/core/arm/dynarmic/arm_dynarmic_32.cpp37
-rw-r--r--src/core/arm/dynarmic/arm_dynarmic_32.h4
-rw-r--r--src/core/arm/dynarmic/arm_dynarmic_64.cpp38
-rw-r--r--src/core/arm/dynarmic/arm_dynarmic_64.h4
4 files changed, 38 insertions, 45 deletions
diff --git a/src/core/arm/dynarmic/arm_dynarmic_32.cpp b/src/core/arm/dynarmic/arm_dynarmic_32.cpp
index 054572445..ab3210d84 100644
--- a/src/core/arm/dynarmic/arm_dynarmic_32.cpp
+++ b/src/core/arm/dynarmic/arm_dynarmic_32.cpp
@@ -25,6 +25,9 @@ namespace Core {
using namespace Common::Literals;
+constexpr Dynarmic::HaltReason break_loop = Dynarmic::HaltReason::UserDefined2;
+constexpr Dynarmic::HaltReason svc_call = Dynarmic::HaltReason::UserDefined3;
+
class DynarmicCallbacks32 : public Dynarmic::A32::UserCallbacks {
public:
explicit DynarmicCallbacks32(ARM_Dynarmic_32& parent_)
@@ -84,15 +87,13 @@ public:
}
void CallSVC(u32 swi) override {
- parent.svc_called = true;
parent.svc_swi = swi;
- parent.jit->HaltExecution();
+ parent.jit->HaltExecution(svc_call);
}
void AddTicks(u64 ticks) override {
- if (parent.uses_wall_clock) {
- return;
- }
+ ASSERT_MSG(!parent.uses_wall_clock, "This should never happen - dynarmic ticking disabled");
+
// 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
// if not all cores are doing a similar amount of work. Instead of doing this, we should
@@ -108,12 +109,8 @@ public:
}
u64 GetTicksRemaining() override {
- if (parent.uses_wall_clock) {
- if (!parent.interrupt_handlers[parent.core_index].IsInterrupted()) {
- return minimum_run_cycles;
- }
- return 0U;
- }
+ ASSERT_MSG(!parent.uses_wall_clock, "This should never happen - dynarmic ticking disabled");
+
return std::max<s64>(parent.system.CoreTiming().GetDowncount(), 0);
}
@@ -148,6 +145,7 @@ 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;
// Code cache size
config.code_cache_size = 512_MiB;
@@ -230,13 +228,11 @@ std::shared_ptr<Dynarmic::A32::Jit> ARM_Dynarmic_32::MakeJit(Common::PageTable*
void ARM_Dynarmic_32::Run() {
while (true) {
- jit->Run();
- if (!svc_called) {
- break;
+ const auto hr = jit->Run();
+ if (Has(hr, svc_call)) {
+ Kernel::Svc::Call(system, svc_swi);
}
- svc_called = false;
- Kernel::Svc::Call(system, svc_swi);
- if (shutdown) {
+ if (Has(hr, break_loop)) {
break;
}
}
@@ -322,8 +318,11 @@ void ARM_Dynarmic_32::LoadContext(const ThreadContext32& ctx) {
}
void ARM_Dynarmic_32::PrepareReschedule() {
- jit->HaltExecution();
- shutdown = true;
+ jit->HaltExecution(break_loop);
+}
+
+void ARM_Dynarmic_32::SignalInterrupt() {
+ jit->HaltExecution(break_loop);
}
void ARM_Dynarmic_32::ClearInstructionCache() {
diff --git a/src/core/arm/dynarmic/arm_dynarmic_32.h b/src/core/arm/dynarmic/arm_dynarmic_32.h
index 5d47b600d..3f68a4ff1 100644
--- a/src/core/arm/dynarmic/arm_dynarmic_32.h
+++ b/src/core/arm/dynarmic/arm_dynarmic_32.h
@@ -57,6 +57,7 @@ public:
void LoadContext(const ThreadContext64& ctx) override {}
void PrepareReschedule() override;
+ void SignalInterrupt() override;
void ClearExclusiveState() override;
void ClearInstructionCache() override;
@@ -83,9 +84,6 @@ private:
// SVC callback
u32 svc_swi{};
- bool svc_called{};
-
- bool shutdown{};
};
} // namespace Core
diff --git a/src/core/arm/dynarmic/arm_dynarmic_64.cpp b/src/core/arm/dynarmic/arm_dynarmic_64.cpp
index 7ff8f9495..68822a1fc 100644
--- a/src/core/arm/dynarmic/arm_dynarmic_64.cpp
+++ b/src/core/arm/dynarmic/arm_dynarmic_64.cpp
@@ -26,6 +26,9 @@ namespace Core {
using Vector = Dynarmic::A64::Vector;
using namespace Common::Literals;
+constexpr Dynarmic::HaltReason break_loop = Dynarmic::HaltReason::UserDefined2;
+constexpr Dynarmic::HaltReason svc_call = Dynarmic::HaltReason::UserDefined3;
+
class DynarmicCallbacks64 : public Dynarmic::A64::UserCallbacks {
public:
explicit DynarmicCallbacks64(ARM_Dynarmic_64& parent_)
@@ -106,7 +109,7 @@ public:
break;
}
- parent.jit->HaltExecution();
+ parent.jit->HaltExecution(Dynarmic::HaltReason::CacheInvalidation);
}
void ExceptionRaised(u64 pc, Dynarmic::A64::Exception exception) override {
@@ -126,15 +129,12 @@ public:
}
void CallSVC(u32 swi) override {
- parent.svc_called = true;
parent.svc_swi = swi;
- parent.jit->HaltExecution();
+ parent.jit->HaltExecution(svc_call);
}
void AddTicks(u64 ticks) override {
- if (parent.uses_wall_clock) {
- return;
- }
+ ASSERT_MSG(!parent.uses_wall_clock, "This should never happen - dynarmic ticking disabled");
// 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
@@ -149,12 +149,8 @@ public:
}
u64 GetTicksRemaining() override {
- if (parent.uses_wall_clock) {
- if (!parent.interrupt_handlers[parent.core_index].IsInterrupted()) {
- return minimum_run_cycles;
- }
- return 0U;
- }
+ ASSERT_MSG(!parent.uses_wall_clock, "This should never happen - dynarmic ticking disabled");
+
return std::max<s64>(parent.system.CoreTiming().GetDowncount(), 0);
}
@@ -210,6 +206,7 @@ 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;
// Code cache size
config.code_cache_size = 512_MiB;
@@ -292,13 +289,11 @@ std::shared_ptr<Dynarmic::A64::Jit> ARM_Dynarmic_64::MakeJit(Common::PageTable*
void ARM_Dynarmic_64::Run() {
while (true) {
- jit->Run();
- if (!svc_called) {
- break;
+ const auto hr = jit->Run();
+ if (Has(hr, svc_call)) {
+ Kernel::Svc::Call(system, svc_swi);
}
- svc_called = false;
- Kernel::Svc::Call(system, svc_swi);
- if (shutdown) {
+ if (Has(hr, break_loop)) {
break;
}
}
@@ -389,8 +384,11 @@ void ARM_Dynarmic_64::LoadContext(const ThreadContext64& ctx) {
}
void ARM_Dynarmic_64::PrepareReschedule() {
- jit->HaltExecution();
- shutdown = true;
+ jit->HaltExecution(break_loop);
+}
+
+void ARM_Dynarmic_64::SignalInterrupt() {
+ jit->HaltExecution(break_loop);
}
void ARM_Dynarmic_64::ClearInstructionCache() {
diff --git a/src/core/arm/dynarmic/arm_dynarmic_64.h b/src/core/arm/dynarmic/arm_dynarmic_64.h
index 0c4e46c64..58bc7fbec 100644
--- a/src/core/arm/dynarmic/arm_dynarmic_64.h
+++ b/src/core/arm/dynarmic/arm_dynarmic_64.h
@@ -51,6 +51,7 @@ public:
void LoadContext(const ThreadContext64& ctx) override;
void PrepareReschedule() override;
+ void SignalInterrupt() override;
void ClearExclusiveState() override;
void ClearInstructionCache() override;
@@ -77,9 +78,6 @@ private:
// SVC callback
u32 svc_swi{};
- bool svc_called{};
-
- bool shutdown{};
};
} // namespace Core