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backend/arm64: Fix exclusive writes

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This commit is contained in:
Merry 2022-12-05 21:11:51 +00:00
parent bd570e093c
commit 7660da4909
2 changed files with 2 additions and 0 deletions
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src/dynarmic/backend/arm64/emit_arm64_a32_memory.cpp
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@ -73,6 +73,7 @@ static void EmitExclusiveWriteMemory(oaknut::CodeGenerator& code, EmitContext& c
if (ordered) { if (ordered) {
code.DMB(oaknut::BarrierOp::ISH); code.DMB(oaknut::BarrierOp::ISH);
} }
code.MOV(W0, 1);
code.LDRB(Wscratch0, Xstate, offsetof(A32JitState, exclusive_state)); code.LDRB(Wscratch0, Xstate, offsetof(A32JitState, exclusive_state));
code.CBZ(Wscratch0, end); code.CBZ(Wscratch0, end);
code.STRB(WZR, Xstate, offsetof(A32JitState, exclusive_state)); code.STRB(WZR, Xstate, offsetof(A32JitState, exclusive_state));

1
src/dynarmic/backend/arm64/emit_arm64_a64_memory.cpp
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@ -101,6 +101,7 @@ static void EmitExclusiveWriteMemory(oaknut::CodeGenerator& code, EmitContext& c
if (ordered) { if (ordered) {
code.DMB(oaknut::BarrierOp::ISH); code.DMB(oaknut::BarrierOp::ISH);
} }
code.MOV(W0, 1);
code.LDRB(Wscratch0, Xstate, offsetof(A64JitState, exclusive_state)); code.LDRB(Wscratch0, Xstate, offsetof(A64JitState, exclusive_state));
code.CBZ(Wscratch0, end); code.CBZ(Wscratch0, end);
code.STRB(WZR, Xstate, offsetof(A64JitState, exclusive_state)); code.STRB(WZR, Xstate, offsetof(A64JitState, exclusive_state));