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fixed data + instruction cache callbacks (w/ tests)

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emuplz 2020-11-12 16:15:33 +00:00 committed by MerryMage
parent 77621a8448
commit 6d4333c78e
3 changed files with 31 additions and 3 deletions
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4
src/backend/x64/a64_emit_x64.cpp
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@ -647,13 +647,13 @@ void A64EmitX64::EmitA64ExceptionRaised(A64EmitContext& ctx, IR::Inst* inst) {
void A64EmitX64::EmitA64DataCacheOperationRaised(A64EmitContext& ctx, IR::Inst* inst) {
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
ctx.reg_alloc.HostCall(nullptr, args[0], args[1]);
ctx.reg_alloc.HostCall(nullptr, {}, args[0], args[1]);
Devirtualize<&A64::UserCallbacks::DataCacheOperationRaised>(conf.callbacks).EmitCall(code);
}
void A64EmitX64::EmitA64InstructionCacheOperationRaised(A64EmitContext& ctx, IR::Inst* inst) {
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
ctx.reg_alloc.HostCall(nullptr, args[0], args[1]);
ctx.reg_alloc.HostCall(nullptr, {}, args[0], args[1]);
Devirtualize<&A64::UserCallbacks::InstructionCacheOperationRaised>(conf.callbacks).EmitCall(code);
}

28
tests/A64/a64.cpp
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@ -634,3 +634,31 @@ TEST_CASE("A64: Optimization failure when folding ADD", "[a64]") {
REQUIRE(jit.GetPstate() == 0x20000000);
REQUIRE(jit.GetVector(30) == Vector{0xf7f6f5f4, 0});
}
TEST_CASE("A64: Cache Maintenance Instructions", "[a64]") {
class CacheMaintenanceTestEnv final : public A64TestEnv {
void InstructionCacheOperationRaised(A64::InstructionCacheOperation op, VAddr value) override {
REQUIRE(op == A64::InstructionCacheOperation::InvalidateByVAToPoU);
REQUIRE(value == 0xcafed00d);
}
void DataCacheOperationRaised(A64::DataCacheOperation op, VAddr value) override {
REQUIRE(op == A64::DataCacheOperation::InvalidateByVAToPoC);
REQUIRE(value == 0xcafebabe);
}
};
CacheMaintenanceTestEnv env;
A64::UserConfig conf{&env};
conf.hook_data_cache_operations = true;
A64::Jit jit{conf};
jit.SetRegister(0, 0xcafed00d);
jit.SetRegister(1, 0xcafebabe);
env.code_mem.emplace_back(0xd50b7520); // ic ivau, x0
env.code_mem.emplace_back(0xd5087621); // dc ivac, x1
env.code_mem.emplace_back(0x14000000); // B .
env.ticks_left = 3;
jit.Run();
}

2
tests/A64/testenv.h
View file

@ -15,7 +15,7 @@
using Vector = Dynarmic::A64::Vector;
class A64TestEnv final : public Dynarmic::A64::UserCallbacks {
class A64TestEnv : public Dynarmic::A64::UserCallbacks {
public:
u64 ticks_left = 0;