mirror of https://github.com/PCSX2/pcsx2.git
171 lines
3.7 KiB
C
171 lines
3.7 KiB
C
/* PCSX2 - PS2 Emulator for PCs
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* Copyright (C) 2002-2009 PCSX2 Dev Team
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*
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* PCSX2 is free software: you can redistribute it and/or modify it under the terms
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* of the GNU Lesser General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* PCSX2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the 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 along with PCSX2.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __PCSX2TYPES_H__
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#define __PCSX2TYPES_H__
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/*
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* Based on PS2E Definitions by
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linuzappz@hotmail.com,
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* shadowpcsx2@yahoo.gr,
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* and florinsasu@hotmail.com
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*/
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//////////////////////////////////////////////////////////////////////////////////////////
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// Basic Atomic Types
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#if defined(_MSC_VER)
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typedef __int8 s8;
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typedef __int16 s16;
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typedef __int32 s32;
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typedef __int64 s64;
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typedef unsigned __int8 u8;
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typedef unsigned __int16 u16;
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typedef unsigned __int32 u32;
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typedef unsigned __int64 u64;
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typedef unsigned int uint;
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#else // _MSC_VER*/
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#ifdef __LINUX__
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#ifdef HAVE_STDINT_H
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#include "stdint.h"
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// note: char and int8_t are not interchangable types on gcc, because int8_t apparently
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// maps to 'signed char' which (due to 1's compliment or something) is its own unique
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// type. This creates cross-compiler inconsistencies, in addition to being entirely
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// unexpected behavior to any sane programmer, so we typecast s8 to char instead. :)
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//typedef int8_t s8;
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typedef char s8;
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typedef int16_t s16;
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typedef int32_t s32;
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typedef int64_t s64;
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typedef uint8_t u8;
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typedef uint16_t u16;
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typedef uint32_t u32;
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typedef uint64_t u64;
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typedef uintptr_t uptr;
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typedef intptr_t sptr;
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#else // HAVE_STDINT_H
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typedef char s8;
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typedef short s16;
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typedef int s32;
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typedef long long s64;
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typedef unsigned char u8;
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typedef unsigned short u16;
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typedef unsigned int u32;
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typedef unsigned long long u64;
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#endif // HAVE_STDINT_H
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typedef unsigned int uint;
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#define LONG long
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typedef union _LARGE_INTEGER
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{
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long long QuadPart;
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} LARGE_INTEGER;
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#endif // __LINUX__
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#endif //_MSC_VER
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#if !defined(__LINUX__) || !defined(HAVE_STDINT_H)
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#if defined(__x86_64__)
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typedef u64 uptr;
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typedef s64 sptr;
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#else
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typedef u32 uptr;
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typedef s32 sptr;
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#endif
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#endif
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//////////////////////////////////////////////////////////////////////////////////////////
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// A rough-and-ready cross platform 128-bit datatype, Non-SSE style.
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//
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// Note: These structs don't provide any additional constructors because C++ doesn't allow
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// the use of datatypes with constructors in unions (and since unions aren't the primary
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// uses of these types, that means we can't have constructors). Embedded functions for
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// performing explicit conversion from 64 and 32 bit values are provided instead.
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//
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#ifdef __cplusplus
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struct u128
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{
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u64 lo;
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u64 hi;
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// Explicit conversion from u64
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static u128 From64( u64 src )
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{
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u128 retval = { src, 0 };
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return retval;
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}
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// Explicit conversion from u32
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static u128 From32( u32 src )
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{
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u128 retval = { src, 0 };
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return retval;
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}
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};
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struct s128
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{
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s64 lo;
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s64 hi;
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// explicit conversion from s64, with sign extension.
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static s128 From64( s64 src )
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{
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s128 retval = { src, (src < 0) ? -1 : 0 };
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return retval;
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}
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// explicit conversion from s32, with sign extension.
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static s128 From64( s32 src )
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{
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s128 retval = { src, (src < 0) ? -1 : 0 };
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return retval;
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}
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};
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#else
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typedef union _u128_t
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{
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u64 lo;
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u64 hi;
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} u128;
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typedef union _s128_t
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{
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s64 lo;
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s64 hi;
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} s128;
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#endif
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#endif
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