ppsspp/Core/MIPS/JitCommon/JitCommon.h
2013-01-07 22:33:09 +01:00

47 lines
1.6 KiB
C++

// Copyright (c) 2012- PPSSPP Project.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 2.0 or later versions.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official git repository and contact information can be found at
// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
#pragma once
#if defined(ARM)
#include "../ARM/ArmJit.h"
#else
#include "../x86/Jit.h"
#endif
// Unlike on the PPC, opcode 0 is not unused and thus we have to choose another fake
// opcode to represent JIT blocks and other emu hacks.
// I've chosen 0x68000000.
#define MIPS_EMUHACK_OPCODE 0x68000000
#define MIPS_EMUHACK_MASK 0xFF000000
#define MIPS_EMUHACK_VALUE_MASK 0x00FFFFFF
#define MIPS_MAKE_EMUHACK(subop, value) (MIPS_EMUHACK_OPCODE | ((subop) << 24) | (value))
#define MIPS_IS_EMUHACK(op) (((op) & 0xFC000000) == MIPS_EMUHACK_OPCODE) // masks away the subop
#define MIPS_EMUHACK_GET_SUBOP(op) ((op) & 0x))
#define MIPS_EMUHACK_GET_IMM24(op) ((op) & 0x00FFFFFF)
// There are 2 bits available for sub-opcodes, 0x03000000.
#define EMUOP_RUNBLOCK 0 // Runs a JIT block
#define EMUOP_RETKERNEL 1 // Returns to the simulated PSP kernel from a thread
namespace MIPSComp {
extern Jit *jit;
}