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ARM_Interface: Cache the JITs instead of deleting/recreating.

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This was a bug inherited from citra which was fixed by then at some 
time. This commit corrects such bug and ensures JITs are correctly 
recycled.
This commit is contained in:
Fernando Sahmkow 2020-02-26 15:53:47 -04:00
parent e22ad52cdb
commit f3d4d4eaa8
2 changed files with 19 additions and 4 deletions
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11
src/core/arm/dynarmic/arm_dynarmic.cpp
View file

@ -132,7 +132,7 @@ public:
u64 tpidr_el0 = 0;
};
std::unique_ptr<Dynarmic::A64::Jit> ARM_Dynarmic::MakeJit(Common::PageTable& page_table,
std::shared_ptr<Dynarmic::A64::Jit> ARM_Dynarmic::MakeJit(Common::PageTable& page_table,
std::size_t address_space_bits) const {
Dynarmic::A64::UserConfig config;
@ -159,7 +159,7 @@ std::unique_ptr<Dynarmic::A64::Jit> ARM_Dynarmic::MakeJit(Common::PageTable& pag
// Unpredictable instructions
config.define_unpredictable_behaviour = true;
return std::make_unique<Dynarmic::A64::Jit>(config);
return std::make_shared<Dynarmic::A64::Jit>(config);
}
MICROPROFILE_DEFINE(ARM_Jit_Dynarmic, "ARM JIT", "Dynarmic", MP_RGB(255, 64, 64));
@ -267,7 +267,14 @@ void ARM_Dynarmic::ClearExclusiveState() {
void ARM_Dynarmic::PageTableChanged(Common::PageTable& page_table,
std::size_t new_address_space_size_in_bits) {
auto key = std::make_pair(&page_table, new_address_space_size_in_bits);
auto iter = jit_cache.find(key);
if (iter != jit_cache.end()) {
jit = iter->second;
return;
}
jit = MakeJit(page_table, new_address_space_size_in_bits);
jit_cache.emplace(key, jit);
}
DynarmicExclusiveMonitor::DynarmicExclusiveMonitor(Memory::Memory& memory_, std::size_t core_count)

12
src/core/arm/dynarmic/arm_dynarmic.h
View file

@ -5,9 +5,12 @@
#pragma once
#include <memory>
#include <unordered_map>
#include <dynarmic/A64/a64.h>
#include <dynarmic/A64/exclusive_monitor.h>
#include "common/common_types.h"
#include "common/hash.h"
#include "core/arm/arm_interface.h"
#include "core/arm/exclusive_monitor.h"
#include "core/arm/unicorn/arm_unicorn.h"
@ -22,6 +25,10 @@ class ARM_Dynarmic_Callbacks;
class DynarmicExclusiveMonitor;
class System;
using JitCacheKey = std::pair<Common::PageTable*, std::size_t>;
using JitCacheType =
std::unordered_map<JitCacheKey, std::shared_ptr<Dynarmic::A64::Jit>, Common::PairHash>;
class ARM_Dynarmic final : public ARM_Interface {
public:
ARM_Dynarmic(System& system, ExclusiveMonitor& exclusive_monitor, std::size_t core_index);
@ -53,12 +60,13 @@ public:
std::size_t new_address_space_size_in_bits) override;
private:
std::unique_ptr<Dynarmic::A64::Jit> MakeJit(Common::PageTable& page_table,
std::shared_ptr<Dynarmic::A64::Jit> MakeJit(Common::PageTable& page_table,
std::size_t address_space_bits) const;
friend class ARM_Dynarmic_Callbacks;
std::unique_ptr<ARM_Dynarmic_Callbacks> cb;
std::unique_ptr<Dynarmic::A64::Jit> jit;
JitCacheType jit_cache;
std::shared_ptr<Dynarmic::A64::Jit> jit;
ARM_Unicorn inner_unicorn;
std::size_t core_index;