OpenPunk/yuzu
1
0
Fork 0
mirror of https://github.com/yuzu-emu/yuzu.git synced 2024-11-15 08:40:06 +00:00
Code Issues Projects Releases Wiki Activity

Merge pull request #8729 from merryhime/cp15-barriers

Browse Source 
arm_dynarmic_cp15: Implement CP15DMB/CP15DSB/CP15ISB
This commit is contained in:
bunnei 2022-08-09 16:12:53 -07:00 committed by GitHub
commit 4bd8adfe42
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 29 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

31
src/core/arm/dynarmic/arm_dynarmic_cp15.cpp
View File

@ -8,6 +8,10 @@
#include "core/core.h"
#include "core/core_timing.h"
#ifdef _MSC_VER
#include <intrin.h>
#endif
using Callback = Dynarmic::A32::Coprocessor::Callback;
using CallbackOrAccessOneWord = Dynarmic::A32::Coprocessor::CallbackOrAccessOneWord;
using CallbackOrAccessTwoWords = Dynarmic::A32::Coprocessor::CallbackOrAccessTwoWords;
@ -47,12 +51,31 @@ CallbackOrAccessOneWord DynarmicCP15::CompileSendOneWord(bool two, unsigned opc1
switch (opc2) {
case 4:
// CP15_DATA_SYNC_BARRIER
// This is a dummy write, we ignore the value written here.
return &dummy_value;
return Callback{
[](Dynarmic::A32::Jit*, void*, std::uint32_t, std::uint32_t) -> std::uint64_t {
#ifdef _MSC_VER
_mm_mfence();
_mm_lfence();
#else
asm volatile("mfence\n\tlfence\n\t" : : : "memory");
#endif
return 0;
},
std::nullopt,
};
case 5:
// CP15_DATA_MEMORY_BARRIER
// This is a dummy write, we ignore the value written here.
return &dummy_value;
return Callback{
[](Dynarmic::A32::Jit*, void*, std::uint32_t, std::uint32_t) -> std::uint64_t {
#ifdef _MSC_VER
_mm_mfence();
#else
asm volatile("mfence\n\t" : : : "memory");
#endif
return 0;
},
std::nullopt,
};
}
}

2
src/core/arm/dynarmic/arm_dynarmic_cp15.h
View File

@ -35,6 +35,8 @@ public:
ARM_Dynarmic_32& parent;
u32 uprw = 0;
u32 uro = 0;
friend class ARM_Dynarmic_32;
};
} // namespace Core