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Code Issues Releases Activity

core: arm_dynarmic: Ensure JIT state is saved/restored on page table changes.

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- We re-create the JIT here without preserving any state.
This commit is contained in:
bunnei 2021-03-21 15:25:25 -07:00
parent 2e85ee250d
commit a35717b245
2 changed files with 10 additions and 0 deletions
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5
src/core/arm/dynarmic/arm_dynarmic_32.cpp
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@ -306,13 +306,18 @@ void ARM_Dynarmic_32::ClearExclusiveState() {
void ARM_Dynarmic_32::PageTableChanged(Common::PageTable& page_table, void ARM_Dynarmic_32::PageTableChanged(Common::PageTable& page_table,
std::size_t new_address_space_size_in_bits) { std::size_t new_address_space_size_in_bits) {
ThreadContext32 ctx{};
SaveContext(ctx);
auto key = std::make_pair(&page_table, 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); auto iter = jit_cache.find(key);
if (iter != jit_cache.end()) { if (iter != jit_cache.end()) {
jit = iter->second; jit = iter->second;
LoadContext(ctx);
return; return;
} }
jit = MakeJit(page_table, new_address_space_size_in_bits); jit = MakeJit(page_table, new_address_space_size_in_bits);
LoadContext(ctx);
jit_cache.emplace(key, jit); jit_cache.emplace(key, jit);
} }

5
src/core/arm/dynarmic/arm_dynarmic_64.cpp
View file

@ -348,13 +348,18 @@ void ARM_Dynarmic_64::ClearExclusiveState() {
void ARM_Dynarmic_64::PageTableChanged(Common::PageTable& page_table, void ARM_Dynarmic_64::PageTableChanged(Common::PageTable& page_table,
std::size_t new_address_space_size_in_bits) { std::size_t new_address_space_size_in_bits) {
ThreadContext64 ctx{};
SaveContext(ctx);
auto key = std::make_pair(&page_table, 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); auto iter = jit_cache.find(key);
if (iter != jit_cache.end()) { if (iter != jit_cache.end()) {
jit = iter->second; jit = iter->second;
LoadContext(ctx);
return; return;
} }
jit = MakeJit(page_table, new_address_space_size_in_bits); jit = MakeJit(page_table, new_address_space_size_in_bits);
LoadContext(ctx);
jit_cache.emplace(key, jit); jit_cache.emplace(key, jit);
} }