mirror of https://github.com/PCSX2/pcsx2.git
160 lines
5.0 KiB
C
160 lines
5.0 KiB
C
/* Pcsx2 - Pc Ps2 Emulator
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* Copyright (C) 2002-2008 Pcsx2 Team
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*
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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; either version 2 of the License, or
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* (at your option) any later version.
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*
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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 for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#ifndef __PCSX2DEFS_H__
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#define __PCSX2DEFS_H__
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#if defined (__linux__) && !defined(__LINUX__) // some distributions are lower case
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#define __LINUX__
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#endif
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#ifdef __CYGWIN__
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#define __LINUX__
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#endif
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#include "Pcsx2Types.h"
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// Renamed ARRAYSIZE to ArraySize -- looks nice and gets rid of Windows.h conflicts (air)
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// Notes: I'd have used ARRAY_SIZE instead but ran into cross-platform lib conflicts with
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// that as well. >_<
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#ifndef ArraySize
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#define ArraySize(x) (sizeof(x)/sizeof((x)[0]))
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#endif
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//////////////////////////////////////////////////////////////////////////////////////////
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// jASSUME - give hints to the optimizer
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// This is primarily useful for the default case switch optimizer, which enables VC to
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// generate more compact switches.
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#ifndef jASSUME
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# ifdef NDEBUG
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# define jBREAKPOINT() ((void) 0)
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# ifdef _MSC_VER
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# define jASSUME(exp) (__assume(exp))
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# else
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# define jASSUME(exp) ((void) sizeof(exp))
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# endif
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# else
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# if defined(_MSC_VER)
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# define jBREAKPOINT() do { __asm int 3 } while(0)
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# else
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# define jBREAKPOINT() ((void) *(volatile char *) 0)
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# endif
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# define jASSUME(exp) if(exp) ; else jBREAKPOINT()
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# endif
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#endif
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//////////////////////////////////////////////////////////////////////////////////////////
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// jNO_DEFAULT -- disables the default case in a switch, which improves switch optimization
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// under MSVC.
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//
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// How it Works: jASSUME turns into an __assume(0) under msvc compilers, which when specified
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// in the default: case of a switch tells the compiler that the case is unreachable, and so
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// the compiler will not generate any code, LUTs, or conditionals to handle it. In debug
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// builds the default case will cause an assertion (meaning the jNO_DEFAULT has been used
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// incorrectly, and that the default case is in fact used and needs to be handled).
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//
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#ifndef jNO_DEFAULT
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#define jNO_DEFAULT \
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{ \
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default: \
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jASSUME(0); \
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break; \
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}
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#endif
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/* common defines */
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#ifndef C_ASSERT
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#define C_ASSERT(e) typedef char __C_ASSERT__[(e)?1:-1]
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#endif
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#ifdef _MSC_VER
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// Note: building the 'extern' into PCSX2_ALIGNED16_DECL fixes Visual Assist X's intellisense.
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#define PCSX2_ALIGNED(alig,x) __declspec(align(alig)) x
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#define PCSX2_ALIGNED_EXTERN(alig,x) extern __declspec(align(alig)) x
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#define PCSX2_ALIGNED16(x) __declspec(align(16)) x
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#define PCSX2_ALIGNED16_EXTERN(x) extern __declspec(align(16)) x
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#define __naked __declspec(naked)
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#define __unused /*unused*/
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#define __noinline __declspec(noinline)
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#define CALLBACK __stdcall
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#else
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// GCC 4.4.0 is a bit nutty, as compilers go. it gets a define to itself.
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#define GCC_VERSION (__GNUC__ * 10000 \
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+ __GNUC_MINOR__ * 100 \
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+ __GNUC_PATCHLEVEL__)
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/* Test for GCC > 4.4.0; Should be adjusted when new versions come out */
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#if GCC_VERSION >= 40400
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#define THE_UNBEARABLE_LIGHTNESS_OF_BEING_GCC_4_4_0
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#define __nooptimization __attribute__((optimize("O0"))
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#endif
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/*
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This theoretically unoptimizes. Not having much luck so far.
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#ifdef THE_UNBEARABLE_LIGHTNESS_OF_BEING_GCC_4_4_0
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#pragma GCC optimize ("O0")
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#endif
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#ifdef THE_UNBEARABLE_LIGHTNESS_OF_BEING_GCC_4_4_0
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#pragma GCC reset_options
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#endif
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*/
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// fixme - is this needed for recent versions of GCC? Or can we just use the first two macros
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// instead for both definitions (implementations) and declarations (includes)? -- air
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#define PCSX2_ALIGNED(alig,x) x __attribute((aligned(alig)))
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#define PCSX2_ALIGNED16(x) x __attribute((aligned(16)))
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#define PCSX2_ALIGNED_EXTERN(alig,x) extern x __attribute((aligned(alig)))
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#define PCSX2_ALIGNED16_EXTERN(x) extern x __attribute((aligned(16)))
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#define __naked // GCC lacks the naked specifier
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#define CALLBACK // CALLBACK is a win32-specific mess
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// GCC uses attributes for a lot of things that Visual C+ doesn't.
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#define __fastcall __attribute__((fastcall))
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#define __unused __attribute__((unused))
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#define _inline __inline__ __attribute__((unused))
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#define __forceinline __attribute__((always_inline,unused))
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#define __noinline __attribute__((noinline))
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#endif
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#ifndef THE_UNBEARABLE_LIGHTNESS_OF_BEING_GCC_4_4_0
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#define __nooptimization
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#endif
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typedef struct {
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int size;
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s8 *data;
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} freezeData;
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// event values:
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#define KEYPRESS 1
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#define KEYRELEASE 2
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typedef struct _keyEvent {
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u32 key;
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u32 evt;
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} keyEvent;
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#endif |