152 lines
4.6 KiB
C++
152 lines
4.6 KiB
C++
/**
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******************************************************************************
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* Xenia : Xbox 360 Emulator Research Project *
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******************************************************************************
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* Copyright 2013 Ben Vanik. All rights reserved. *
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* Released under the BSD license - see LICENSE in the root for more details. *
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******************************************************************************
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*/
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#ifndef XENIA_CPU_X64_X64_EMITTER_H_
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#define XENIA_CPU_X64_X64_EMITTER_H_
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#include <xenia/cpu/global_exports.h>
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#include <xenia/cpu/sdb.h>
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#include <xenia/cpu/ppc/instr.h>
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#include <asmjit/asmjit.h>
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namespace xe {
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namespace cpu {
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namespace x64 {
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// Typedef for all generated functions.
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typedef void (*x64_function_t)(xe_ppc_state_t* ppc_state, uint64_t lr);
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class X64Emitter {
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public:
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X64Emitter(xe_memory_ref memory);
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~X64Emitter();
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void Lock();
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void Unlock();
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int PrepareFunction(sdb::FunctionSymbol* symbol);
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int MakeFunction(sdb::FunctionSymbol* symbol);
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AsmJit::X86Compiler& compiler();
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sdb::FunctionSymbol* symbol();
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sdb::FunctionBlock* fn_block();
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// int branch_to_block(uint32_t address);
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// int branch_to_block_if(uint32_t address, jit_value_t value);
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// int branch_to_block_if_not(uint32_t address, jit_value_t value);
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// int branch_to_return();
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// int branch_to_return_if(jit_value_t value);
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// int branch_to_return_if_not(jit_value_t value);
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// int call_function(sdb::FunctionSymbol* target_symbol, jit_value_t lr,
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// bool tail);
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void TraceKernelCall();
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void TraceUserCall();
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void TraceInstruction(ppc::InstrData& i);
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void TraceInvalidInstruction(ppc::InstrData& i);
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void TraceBranch(uint32_t cia);
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// int GenerateIndirectionBranch(uint32_t cia, jit_value_t target,
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// bool lk, bool likely_local);
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void FillRegisters();
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void SpillRegisters();
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AsmJit::GpVar& xer_value();
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void update_xer_value(AsmJit::GpVar& value);
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void update_xer_with_overflow(AsmJit::GpVar& value);
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void update_xer_with_carry(AsmJit::GpVar& value);
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void update_xer_with_overflow_and_carry(AsmJit::GpVar& value);
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AsmJit::GpVar& lr_value();
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void update_lr_value(AsmJit::GpVar& value);
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AsmJit::GpVar& ctr_value();
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void update_ctr_value(AsmJit::GpVar& value);
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AsmJit::GpVar& cr_value(uint32_t n);
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void update_cr_value(uint32_t n, AsmJit::GpVar& value);
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void update_cr_with_cond(uint32_t n, AsmJit::GpVar& lhs, AsmJit::GpVar& rhs,
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bool is_signed);
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AsmJit::GpVar& gpr_value(uint32_t n);
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void update_gpr_value(uint32_t n, AsmJit::GpVar& value);
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AsmJit::GpVar& fpr_value(uint32_t n);
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void update_fpr_value(uint32_t n, AsmJit::GpVar& value);
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AsmJit::GpVar& TouchMemoryAddress(uint32_t cia, AsmJit::GpVar& addr);
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AsmJit::GpVar& ReadMemory(
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uint32_t cia, AsmJit::GpVar& addr, uint32_t size, bool acquire = false);
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void WriteMemory(
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uint32_t cia, AsmJit::GpVar& addr, uint32_t size, AsmJit::GpVar& value,
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bool release = false);
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// jit_value_t get_int32(int32_t value);
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// jit_value_t get_uint32(uint32_t value);
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// jit_value_t get_int64(int64_t value);
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// jit_value_t get_uint64(uint64_t value);
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AsmJit::GpVar sign_extend(AsmJit::GpVar& value, int size);
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AsmJit::GpVar zero_extend(AsmJit::GpVar& value, int size);
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AsmJit::GpVar trunc(AsmJit::GpVar& value, int size);
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private:
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static void* OnDemandCompileTrampoline(
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X64Emitter* emitter, sdb::FunctionSymbol* symbol);
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void* OnDemandCompile(sdb::FunctionSymbol* symbol);
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int MakeUserFunction();
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int MakePresentImportFunction();
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int MakeMissingImportFunction();
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void GenerateSharedBlocks();
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int PrepareBasicBlock(sdb::FunctionBlock* block);
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void GenerateBasicBlock(sdb::FunctionBlock* block);
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void SetupLocals();
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xe_memory_ref memory_;
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GlobalExports global_exports_;
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xe_mutex_t* lock_;
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AsmJit::Logger* logger_;
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AsmJit::X86Assembler assembler_;
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AsmJit::X86Compiler compiler_;
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sdb::FunctionSymbol* symbol_;
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sdb::FunctionBlock* fn_block_;
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AsmJit::Label return_block_;
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// jit_label_t internal_indirection_block_;
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// jit_label_t external_indirection_block_;
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std::map<uint32_t, AsmJit::Label> bbs_;
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ppc::InstrAccessBits access_bits_;
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struct {
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AsmJit::GpVar indirection_target;
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AsmJit::GpVar indirection_cia;
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AsmJit::GpVar xer;
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AsmJit::GpVar lr;
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AsmJit::GpVar ctr;
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AsmJit::GpVar cr[8];
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AsmJit::GpVar gpr[32];
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AsmJit::GpVar fpr[32];
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} locals_;
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};
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} // namespace x64
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} // namespace cpu
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} // namespace xe
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#endif // XENIA_CPU_X64_X64_EMITTER_H_
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