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https://github.com/RetroDECK/Duckstation.git
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b6f871d2b9
* CPU/Recompiler: Use rel32 call where possible for no-args * JitCodeBuffer: Support using preallocated buffer * CPU/Recompiler/AArch64: Use bl instead of blr for short branches * CPU/CodeCache: Allocate recompiler buffer in program space This means we don't need 64-bit moves for every call out of the recompiler. * GTE: Don't store as u16 and load as u32 * CPU/Recompiler: Add methods to emit global load/stores * GTE: Convert class to namespace * CPU/Recompiler: Call GTE functions directly * Settings: Turn into a global variable * GPU: Replace local pointers with global * InterruptController: Turn into a global pointer * System: Replace local pointers with global * Timers: Turn into a global instance * DMA: Turn into a global instance * SPU: Turn into a global instance * CDROM: Turn into a global instance * MDEC: Turn into a global instance * Pad: Turn into a global instance * SIO: Turn into a global instance * CDROM: Move audio FIFO to the heap * CPU/Recompiler: Drop ASMFunctions No longer needed since we have code in the same 4GB window. * CPUCodeCache: Turn class into namespace * Bus: Local pointer -> global pointers * CPU: Turn class into namespace * Bus: Turn into namespace * GTE: Store registers in CPU state struct Allows relative addressing on ARM. * CPU/Recompiler: Align code storage to page size * CPU/Recompiler: Fix relative branches on A64 * HostInterface: Local references to global * System: Turn into a namespace, move events out * Add guard pages * Android: Fix build
51 lines
1.3 KiB
C++
51 lines
1.3 KiB
C++
#pragma once
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#include "cpu_code_cache.h"
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#include "cpu_types.h"
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namespace CPU {
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struct CodeBlockInstruction;
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namespace Recompiler::Thunks {
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union RaiseExceptionInfo
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{
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u32 bits;
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struct
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{
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u8 excode;
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bool BD;
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u8 CE;
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u8 unused;
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};
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};
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ALWAYS_INLINE u32 MakeRaiseExceptionInfo(Exception excode, const CodeBlockInstruction& cbi)
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{
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RaiseExceptionInfo ri = {};
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ri.excode = static_cast<u8>(excode);
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ri.BD = cbi.is_branch_delay_slot;
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ri.CE = cbi.instruction.cop.cop_n;
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return ri.bits;
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}
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//////////////////////////////////////////////////////////////////////////
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// Trampolines for calling back from the JIT
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// Needed because we can't cast member functions to void*...
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// TODO: Abuse carry flag or something else for exception
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//////////////////////////////////////////////////////////////////////////
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bool InterpretInstruction();
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void RaiseException(u32 epc, u32 ri_bits);
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void RaiseAddressException(u32 address, bool store, bool branch);
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// Memory access functions for the JIT - MSB is set on exception.
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u64 ReadMemoryByte(u32 pc, u32 address);
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u64 ReadMemoryHalfWord(u32 pc, u32 address);
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u64 ReadMemoryWord(u32 pc, u32 address);
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bool WriteMemoryByte(u32 pc, u32 address, u8 value);
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bool WriteMemoryHalfWord(u32 pc, u32 address, u16 value);
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bool WriteMemoryWord(u32 pc, u32 address, u32 value);
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} // namespace Recompiler::Thunks
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} // namespace CPU
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