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https://github.com/hrydgard/ppsspp.git
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b9c2e21105
This was actually kinda slow (noticeably) in God Eater Burst.
120 lines
3.5 KiB
C
120 lines
3.5 KiB
C
// Copyright (c) 2012- PPSSPP Project.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0 or later versions.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official git repository and contact information can be found at
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// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
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#pragma once
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#include "../Globals.h"
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#include "../MIPS/MIPS.h"
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typedef void (* HLEFunc)();
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enum {
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// The low 8 bits are a value, indicating special jit handling.
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// Currently there are none.
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// The remaining 24 bits are flags.
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// Don't allow the call within an interrupt. Not yet implemented.
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HLE_NOT_IN_INTERRUPT = 1 << 8,
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// Don't allow the call if dispatch or interrupts are disabled.
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HLE_NOT_DISPATCH_SUSPENDED = 1 << 9,
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};
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struct HLEFunction
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{
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u32 ID;
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HLEFunc func;
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const char *name;
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u32 flags;
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};
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struct HLEModule
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{
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const char *name;
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int numFunctions;
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const HLEFunction *funcTable;
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};
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typedef char SyscallModuleName[32];
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struct Syscall
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{
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SyscallModuleName moduleName;
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u32 symAddr;
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u32 nid;
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};
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#define PARAM(n) currentMIPS->r[4+n]
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#define PARAMF(n) currentMIPS->f[12+n]
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#define RETURN(n) currentMIPS->r[2]=n
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#define RETURNF(fl) currentMIPS->f[0]=fl
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#ifndef ARRAY_SIZE
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#define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0]))
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#endif
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#include "FunctionWrappers.h"
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#define P_INT(n, name) const int name = currentMIPS->r[4+n];
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const char *GetFuncName(const char *module, u32 nib);
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const char *GetFuncName(int module, int func);
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const HLEFunction *GetFunc(const char *module, u32 nib);
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int GetFuncIndex(int moduleIndex, u32 nib);
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int GetModuleIndex(const char *modulename);
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void RegisterModule(const char *name, int numFunctions, const HLEFunction *funcTable);
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// Run the current thread's callbacks after the syscall finishes.
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void hleCheckCurrentCallbacks();
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// Check and potentially run all thread's callbacks after the syscall finishes.
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void hleCheckAllCallbacks();
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// Reschedule after the syscall finishes.
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void hleReSchedule(const char *reason);
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// Reschedule and go into a callback processing state after the syscall finishes.
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void hleReSchedule(bool callbacks, const char *reason);
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// Run interrupts after the syscall finishes.
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void hleRunInterrupts();
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// Pause emulation after the syscall finishes.
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void hleDebugBreak();
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// Delays the result for usec microseconds, allowing other threads to run during this time.
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u32 hleDelayResult(u32 result, const char *reason, int usec);
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u64 hleDelayResult(u64 result, const char *reason, int usec);
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void hleEatCycles(int cycles);
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void hleEatMicro(int usec);
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inline int hleDelayResult(int result, const char *reason, int usec)
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{
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return hleDelayResult((u32) result, reason, usec);
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}
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inline s64 hleDelayResult(s64 result, const char *reason, int usec)
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{
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return hleDelayResult((u64) result, reason, usec);
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}
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void HLEInit();
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void HLEDoState(PointerWrap &p);
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void HLEShutdown();
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u32 GetNibByName(const char *module, const char *function);
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u32 GetSyscallOp(const char *module, u32 nib);
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void WriteSyscall(const char *module, u32 nib, u32 address);
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void CallSyscall(u32 op);
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void ResolveSyscall(const char *moduleName, u32 nib, u32 address);
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