ioef/code/qcommon/q_platform.h
2005-11-05 18:41:37 +00:00

388 lines
8.9 KiB
C

/*
===========================================================================
Copyright (C) 1999-2005 Id Software, Inc.
This file is part of Quake III Arena source code.
Quake III Arena source code 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; either version 2 of the License,
or (at your option) any later version.
Quake III Arena source code 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 for more details.
You should have received a copy of the GNU General Public License
along with Quake III Arena source code; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
===========================================================================
*/
//
#ifndef __Q_PLATFORM_H
#define __Q_PLATFORM_H
// this is for determining if we have an asm version of a C function
#ifdef Q3_VM
#define id386 0
#define idppc 0
#define idppc_altivec 0
#else
#if (defined _M_IX86 || defined __i386__) && !defined(C_ONLY)
#define id386 1
#else
#define id386 0
#endif
#if (defined(powerc) || defined(powerpc) || defined(ppc) || \
defined(__ppc) || defined(__ppc__)) && !defined(C_ONLY)
#define idppc 1
#if defined(__VEC__)
#define idppc_altivec 1
#else
#define idppc_altivec 0
#endif
#else
#define idppc 0
#define idppc_altivec 0
#endif
#endif
#ifndef __ASM_I386__ // don't include the C bits if included from qasm.h
// for windows fastcall option
#define QDECL
short ShortSwap (short l);
int LongSwap (int l);
float FloatSwap (const float *f);
//================================================================= WIN32 ===
#ifdef _WIN32
#undef QDECL
#define QDECL __cdecl
#ifdef _MSC_VER
#define OS_STRING "win_msvc"
#ifdef _M_IX86
#define ARCH_STRING "x86"
#elif defined _M_ALPHA
#define ARCH_STRING "AXP"
#else
#error "Unsupported architecture"
#endif
#elif defined __MINGW32__
#define OS_STRING "win_mingw"
#ifdef __i386__
#define ARCH_STRING "x86"
#else
#error "Unsupported architecture"
#endif
#else
#error "Unsupported compiler"
#endif
#define ID_INLINE __inline
static ID_INLINE short BigShort( short l) { return ShortSwap(l); }
#define LittleShort
static ID_INLINE int BigLong(int l) { return LongSwap(l); }
#define LittleLong
static ID_INLINE float BigFloat(const float l) { return FloatSwap(&l); }
#define LittleFloat
#define PATH_SEP '\\'
#endif
//============================================================== MAC OS X ===
#if defined(MACOS_X)
#define __cdecl
#define __declspec(x)
#define stricmp strcasecmp
#define ID_INLINE inline
#define OS_STRING "macosx"
#ifdef __ppc__
#define ARCH_STRING "ppc"
#elif defined __i386__
#define ARCH_STRING "i386"
#else
#error "Unsupported architecture"
#endif
#define PATH_SEP '/'
#define __rlwimi(out, in, shift, maskBegin, maskEnd) \
asm("rlwimi %0,%1,%2,%3,%4" : "=r" (out) : "r" (in), \
"i" (shift), "i" (maskBegin), "i" (maskEnd))
#define __dcbt(addr, offset) asm("dcbt %0,%1" : : "b" (addr), "r" (offset))
static ID_INLINE unsigned int __lwbrx(register void *addr,
register int offset) {
register unsigned int word;
asm("lwbrx %0,%2,%1" : "=r" (word) : "r" (addr), "b" (offset));
return word;
}
static ID_INLINE unsigned short __lhbrx(register void *addr,
register int offset) {
register unsigned short halfword;
asm("lhbrx %0,%2,%1" : "=r" (halfword) : "r" (addr), "b" (offset));
return halfword;
}
static ID_INLINE float __fctiw(register float f) {
register float fi;
asm("fctiw %0,%1" : "=f" (fi) : "f" (f));
return fi;
}
#define BigShort
static ID_INLINE short LittleShort(short l) { return ShortSwap(l); }
#define BigLong
static ID_INLINE int LittleLong(int l) { return LongSwap(l); }
#define BigFloat
static ID_INLINE float LittleFloat(const float l) { return FloatSwap(&l); }
#endif
//=================================================================== MAC ===
#ifdef __MACOS__
#include <MacTypes.h>
#define ID_INLINE inline
#define OS_STRING "macos"
#define ARCH_STRING "ppc"
#define PATH_SEP ':'
void Sys_PumpEvents( void );
#define BigShort
static ID_INLINE short LittleShort(short l) { return ShortSwap(l); }
#define BigLong
static ID_INLINE int LittleLong(int l) { return LongSwap(l); }
#define BigFloat
static ID_INLINE float LittleFloat(const float l) { return FloatSwap(&l); }
#endif
//================================================================= LINUX ===
// the mac compiler can't handle >32k of locals, so we
// just waste space and make big arrays static...
#ifdef __linux__
// bk001205 - from Makefile
#define stricmp strcasecmp
#define ID_INLINE inline
#define OS_STRING "linux"
#if defined __i386__
#define ARCH_STRING "i386"
#elif defined __x86_64__
#define ARCH_STRING "x86_64"
#elif defined __powerpc64__
#define ARCH_STRING "ppc64"
#elif defined __powerpc__
#define ARCH_STRING "ppc"
#elif defined __s390__
#define ARCH_STRING "s390"
#elif defined __s390x__
#define ARCH_STRING "s390x"
#elif defined __ia64__
#define ARCH_STRING "ia64"
#elif defined __alpha__
#define ARCH_STRING "alpha"
#elif defined __sparc__
#define ARCH_STRING "sparc"
#elif defined __arm__
#define ARCH_STRING "arm"
#elif defined __cris__
#define ARCH_STRING "cris"
#elif defined __hppa__
#define ARCH_STRING "hppa"
#elif defined __mips__
#define ARCH_STRING "mips"
#elif defined __sh__
#define ARCH_STRING "sh"
#else
#error "Unsupported architecture"
#endif
#define PATH_SEP '/'
#if __FLOAT_WORD_ORDER == __LITTLE_ENDIAN
ID_INLINE static short BigShort( short l) { return ShortSwap(l); }
#define LittleShort
ID_INLINE static int BigLong(int l) { return LongSwap(l); }
#define LittleLong
ID_INLINE static float BigFloat(const float l) { return FloatSwap(&l); }
#define LittleFloat
#else
#define BigShort
ID_INLINE static short LittleShort(short l) { return ShortSwap(l); }
#define BigLong
ID_INLINE static int LittleLong(int l) { return LongSwap(l); }
#define BigFloat
ID_INLINE static float LittleFloat(const float l) { return FloatSwap(&l); }
#endif
#endif
//=============================================================== FreeBSD ===
#ifdef __FreeBSD__ // rb010123
#define stricmp strcasecmp
#define ID_INLINE inline
#define OS_STRING "freebsd"
#ifdef __i386__
#define ARCH_STRING "i386"
#elif defined __axp__
#define ARCH_STRING "alpha"
#else
#error "Unsupported architecture"
#endif
#define PATH_SEP '/'
#if !idppc
static short BigShort( short l) { return ShortSwap(l); }
#define LittleShort
static int BigLong(int l) { return LongSwap(l); }
#define LittleLong
static float BigFloat(const float l) { return FloatSwap(&l); }
#define LittleFloat
#else
#define BigShort
static short LittleShort(short l) { return ShortSwap(l); }
#define BigLong
static int LittleLong(int l) { return LongSwap(l); }
#define BigFloat
static float LittleFloat(const float l) { return FloatSwap(&l); }
#endif
#endif
//================================================================= SUNOS ===
#ifdef __sun
#include <sys/isa_defs.h>
#include <sys/byteorder.h>
// bk001205 - from Makefile
#define stricmp strcasecmp
#define ID_INLINE inline
#define OS_STRING "solaris"
#ifdef __i386__
#define ARCH_STRING "i386"
#elif defined __sparc
#define ARCH_STRING "sparc"
#else
#error "Unsupported architecture"
#endif
#define PATH_SEP '/'
#if defined(_BIG_ENDIAN) && !defined(_LITTLE_ENDIAN)
#define BigShort
ID_INLINE static short LittleShort(short l) { return ShortSwap(l); }
#define BigLong
ID_INLINE static int LittleLong(int l) { return LongSwap(l); }
#define BigFloat
ID_INLINE static float LittleFloat(const float l) { return FloatSwap(&l); }
#elif defined(_LITTLE_ENDIAN) && !defined(_BIG_ENDIAN)
ID_INLINE static short BigShort( short l) { return ShortSwap(l); }
#define LittleShort
ID_INLINE static int BigLong(int l) { return LongSwap(l); }
#define LittleLong
ID_INLINE static float BigFloat(const float l) { return FloatSwap(&l); }
#define LittleFloat
#else
#error "Either _BIG_ENDIAN or _LITTLE_ENDIAN must be #defined, but not both."
#endif
#endif
//================================================================== Q3VM ===
#ifdef Q3_VM
#define ID_INLINE
#define OS_STRING "q3vm"
#define ARCH_STRING "bytecode"
#define PATH_SEP '/'
#define LittleShort
#define LittleLong
#define LittleFloat
#define BigShort
#define BigLong
#define BigFloat
#endif
//===========================================================================
//catch missing defines in above blocks
#if !defined( OS_STRING ) || !defined( ARCH_STRING )
#error "OS_STRING or ARCH_STRING not defined"
#endif
#ifndef ID_INLINE
#error "ID_INLINE not defined"
#endif
#ifndef PATH_SEP
#error "PATH_SEP not defined"
#endif
#if !defined(BigLong) && !defined(LittleLong)
#error "Endianness not defined"
#endif
#ifdef NDEBUG
#define PLATFORM_STRING OS_STRING "-" ARCH_STRING
#else
#define PLATFORM_STRING OS_STRING "-" ARCH_STRING "-debug"
#endif
#endif
#endif