added support for instruction ic ivau
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10 changed files with 73 additions and 0 deletions
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@ -68,6 +68,11 @@ enum class DataCacheOperation {
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ZeroByVA,
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};
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enum class InstructionCacheOperation {
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// IC IVAU
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InvalidateByVAToPoU,
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};
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struct UserCallbacks {
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virtual ~UserCallbacks() = default;
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@ -110,6 +115,7 @@ struct UserCallbacks {
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virtual void ExceptionRaised(VAddr pc, Exception exception) = 0;
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virtual void DataCacheOperationRaised(DataCacheOperation /*op*/, VAddr /*value*/) {}
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virtual void InstructionCacheOperationRaised(InstructionCacheOperation /*op*/, VAddr /*value*/) {}
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virtual void InstructionSynchronizationBarrierRaised() {}
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// Timing-related callbacks
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@ -233,6 +233,7 @@ if ("A64" IN_LIST DYNARMIC_FRONTENDS)
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frontend/A64/translate/impl/simd_two_register_misc.cpp
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frontend/A64/translate/impl/simd_vector_x_indexed_element.cpp
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frontend/A64/translate/impl/sys_dc.cpp
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frontend/A64/translate/impl/sys_ic.cpp
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frontend/A64/translate/impl/system.cpp
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frontend/A64/translate/impl/system_flag_format.cpp
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frontend/A64/translate/impl/system_flag_manipulation.cpp
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@ -651,6 +651,12 @@ void A64EmitX64::EmitA64DataCacheOperationRaised(A64EmitContext& ctx, IR::Inst*
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Devirtualize<&A64::UserCallbacks::DataCacheOperationRaised>(conf.callbacks).EmitCall(code);
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}
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void A64EmitX64::EmitA64InstructionCacheOperationRaised(A64EmitContext& ctx, IR::Inst* inst) {
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auto args = ctx.reg_alloc.GetArgumentInfo(inst);
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ctx.reg_alloc.HostCall(nullptr, args[0], args[1]);
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Devirtualize<&A64::UserCallbacks::InstructionCacheOperationRaised>(conf.callbacks).EmitCall(code);
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}
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void A64EmitX64::EmitA64DataSynchronizationBarrier(A64EmitContext&, IR::Inst*) {
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code.mfence();
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}
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@ -108,6 +108,11 @@ INST(DC_CVAU, "DC CVAU", "11010
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INST(DC_CVAP, "DC CVAP", "110101010000101101111100001ttttt")
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INST(DC_CIVAC, "DC CIVAC", "110101010000101101111110001ttttt")
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// SYS: Instruction Cache
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INST(IC_IALLU, "IC IALLU", "11010101000010000111010100011111")
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INST(IC_IALLUIS, "IC IALLUIS", "11010101000010000111000100011111")
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INST(IC_IVAU, "IC IVAU", "110101010000101101110101001ttttt")
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// Unconditional branch (Register)
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INST(BLR, "BLR", "1101011000111111000000nnnnn00000")
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INST(BR, "BR", "1101011000011111000000nnnnn00000")
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@ -56,6 +56,10 @@ void IREmitter::DataCacheOperationRaised(DataCacheOperation op, const IR::U64& v
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Inst(Opcode::A64DataCacheOperationRaised, Imm64(static_cast<u64>(op)), value);
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}
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void IREmitter::InstructionCacheOperationRaised(InstructionCacheOperation op, const IR::U64& value) {
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Inst(Opcode::A64InstructionCacheOperationRaised, Imm64(static_cast<u64>(op)), value);
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}
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void IREmitter::DataSynchronizationBarrier() {
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Inst(Opcode::A64DataSynchronizationBarrier);
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}
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@ -42,6 +42,7 @@ public:
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void CallSupervisor(u32 imm);
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void ExceptionRaised(Exception exception);
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void DataCacheOperationRaised(DataCacheOperation op, const IR::U64& value);
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void InstructionCacheOperationRaised(InstructionCacheOperation op, const IR::U64& value);
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void DataSynchronizationBarrier();
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void DataMemoryBarrier();
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void InstructionSynchronizationBarrier();
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@ -174,6 +174,11 @@ struct TranslatorVisitor final {
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bool DC_CVAP(Reg Rt);
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bool DC_CIVAC(Reg Rt);
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// SYS: Instruction Cache
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bool IC_IALLU();
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bool IC_IALLUIS();
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bool IC_IVAU(Reg Rt);
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// Unconditional branch (Register)
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bool BR(Reg Rn);
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bool BRA(bool Z, bool M, Reg Rn, Reg Rm);
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27
src/frontend/A64/translate/impl/sys_ic.cpp
Normal file
27
src/frontend/A64/translate/impl/sys_ic.cpp
Normal file
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@ -0,0 +1,27 @@
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/* This file is part of the dynarmic project.
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* Copyright (c) 2018 MerryMage
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* SPDX-License-Identifier: 0BSD
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*/
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#include "frontend/A64/translate/impl/impl.h"
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namespace Dynarmic::A64 {
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static bool InstructionCacheInstruction(TranslatorVisitor& v, InstructionCacheOperation op, const Reg Rt) {
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v.ir.InstructionCacheOperationRaised(op, v.X(64, Rt));
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return true;
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}
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bool TranslatorVisitor::IC_IALLU() {
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return false;
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}
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bool TranslatorVisitor::IC_IALLUIS() {
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return false;
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}
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bool TranslatorVisitor::IC_IVAU(Reg Rt) {
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return InstructionCacheInstruction(*this, InstructionCacheOperation::InvalidateByVAToPoU, Rt);
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}
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} // namespace Dynarmic::A64
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@ -69,6 +69,7 @@ A64OPC(SetPC, Void, U64
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A64OPC(CallSupervisor, Void, U32 )
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A64OPC(ExceptionRaised, Void, U64, U64 )
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A64OPC(DataCacheOperationRaised, Void, U64, U64 )
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A64OPC(InstructionCacheOperationRaised, Void, U64, U64 )
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A64OPC(DataSynchronizationBarrier, Void, )
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A64OPC(DataMemoryBarrier, Void, )
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A64OPC(InstructionSynchronizationBarrier, Void, )
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@ -634,3 +634,20 @@ TEST_CASE("A64: Optimization failure when folding ADD", "[a64]") {
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REQUIRE(jit.GetPstate() == 0x20000000);
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REQUIRE(jit.GetVector(30) == Vector{0xf7f6f5f4, 0});
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}
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TEST_CASE("A64: IC", "[a64]") {
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A64TestEnv env;
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A64::Jit jit{A64::UserConfig{&env}};
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env.code_mem.emplace_back(0xd50b7520); // ic ivau, x0
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env.code_mem.emplace_back(0x14000000); // B .
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jit.SetRegister(0, 0);
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jit.SetPC(0);
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env.ticks_left = 2;
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jit.Run();
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REQUIRE(jit.GetRegister(0) == 0);
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REQUIRE(jit.GetPC() == 4);
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}
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