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watcomc portab
/***************************************************************************** * * XVID MPEG-4 VIDEO CODEC * - Portable macros, types and inlined assembly - * * Copyright(C) 2002 Michael Militzer <isibaar@xvid.org> * 2002 Peter Ross <pross@xvid.org> * 2002 Edouard Gomez <ed.gomez@wanadoo.fr> * * This file is part of XviD, a free MPEG-4 video encoder/decoder * * XviD 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. * * 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 for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * Under section 8 of the GNU General Public License, the copyright * holders of XVID explicitly forbid distribution in the following * countries: * * - Japan * - United States of America * * Linking XviD statically or dynamically with other modules is making a * combined work based on XviD. Thus, the terms and conditions of the * GNU General Public License cover the whole combination. * * As a special exception, the copyright holders of XviD give you * permission to link XviD with independent modules that communicate with * XviD solely through the VFW1.1 and DShow interfaces, regardless of the * license terms of these independent modules, and to copy and distribute * the resulting combined work under terms of your choice, provided that * every copy of the combined work is accompanied by a complete copy of * the source code of XviD (the version of XviD used to produce the * combined work), being distributed under the terms of the GNU General * Public License plus this exception. An independent module is a module * which is not derived from or based on XviD. * * Note that people who make modified versions of XviD are not obligated * to grant this special exception for their modified versions; it is * their choice whether to do so. The GNU General Public License gives * permission to release a modified version without this exception; this * exception also makes it possible to release a modified version which * carries forward this exception. * * $Id: portab.h,v 1.26.2.8 2003/02/15 08:39:17 suxen_drol Exp $ * ****************************************************************************/ #ifndef _PORTAB_H_ #define _PORTAB_H_ /***************************************************************************** * Common things ****************************************************************************/ /* Debug level masks */ #define DPRINTF_ERROR 0x00000001 #define DPRINTF_STARTCODE 0x00000002 #define DPRINTF_HEADER 0x00000004 #define DPRINTF_TIMECODE 0x00000008 #define DPRINTF_MB 0x00000010 #define DPRINTF_COEFF 0x00000020 #define DPRINTF_MV 0x00000040 #define DPRINTF_RC 0x00000080 #define DPRINTF_DEBUG 0x80000000 /* debug level for this library */ #ifdef _DEBUG #define DPRINTF_LEVEL (DPRINTF_RC|0x0000007F) #else #define DPRINTF_LEVEL DPRINTF_RC #endif /* Buffer size for non C99 compliant compilers (msvc) */ #define DPRINTF_BUF_SZ 1024 /***************************************************************************** * Types used in XviD sources ****************************************************************************/ /*---------------------------------------------------------------------------- | Standard Unix include file (sorry, we put all unix into "linux" case) *---------------------------------------------------------------------------*/ #if defined(LINUX) || defined(BEOS) || defined(FREEBSD) /* All (u)int(size)_t types are defined here */ # include <inttypes.h> /*---------------------------------------------------------------------------- | msvc (lacks such a header file) *---------------------------------------------------------------------------*/ #elif defined(_MSC_VER) || defined (__WATCOMC__) # define int8_t char # define uint8_t unsigned char # define int16_t short # define uint16_t unsigned short # define int32_t int # define uint32_t unsigned int # define int64_t __int64 # define uint64_t unsigned __int64 /*---------------------------------------------------------------------------- | Fallback when using gcc *---------------------------------------------------------------------------*/ #elif defined(__GNUC__) || defined(__ICC) # define int8_t char # define uint8_t unsigned char # define int16_t short # define uint16_t unsigned short # define int32_t int # define uint32_t unsigned int # define int64_t long long # define uint64_t unsigned long long /*---------------------------------------------------------------------------- | Ok, we don't know how to define these types... error *---------------------------------------------------------------------------*/ #else # error Do not know how to define (u)int(size)_t types #endif /***************************************************************************** * Some things that are only architecture dependant ****************************************************************************/ #if defined(ARCH_X86) || defined(ARCH_PPC) || defined(ARCH_MIPS) || defined(ARCH_SPARC) # define CACHE_LINE 16 # define ptr_t uint32_t #elif defined(ARCH_IA64) # define CACHE_LINE 32 # define ptr_t uint64_t #else /* todo: fix cache_line 0 operation */ # define CACHE_LINE 16 # define ptr_t uint32_t #endif /***************************************************************************** * Things that must be sorted by compiler and then by architecture ****************************************************************************/ /***************************************************************************** * MSVC compiler specific macros, functions ****************************************************************************/ #if defined(_MSC_VER) /*---------------------------------------------------------------------------- | Common msvc stuff *---------------------------------------------------------------------------*/ #include <windows.h> #include <stdio.h> /* non-ansi function mapping */ # define snprintf _snprintf # define vsnprintf _vsnprintf /* * This function must be declared/defined all the time because MSVC does * not support C99 variable arguments macros */ static __inline void DPRINTF(int level, char *fmt, ...) { if (DPRINTF_LEVEL & level) { va_list args; char buf[DPRINTF_BUF_SZ]; va_start(args, fmt); vsprintf(buf, fmt, args); OutputDebugString(buf); fprintf(stderr, "%s\n", buf); } } # if _MSC_VER <= 1200 # define DECLARE_ALIGNED_MATRIX(name,sizex,sizey,type,alignment) \ type name##_storage[(sizex)*(sizey)+(alignment)-1]; \ type * name = (type *) (((int32_t) name##_storage+(alignment - 1)) & ~((int32_t)(alignment)-1)) # else # define DECLARE_ALIGNED_MATRIX(name,sizex,sizey,type,alignment) \ __declspec(align(alignment)) type name[(sizex)*(sizey)] # endif /*---------------------------------------------------------------------------- | msvc x86 specific macros/functions *---------------------------------------------------------------------------*/ # if defined(ARCH_X86) # define BSWAP(a) __asm mov eax,a __asm bswap eax __asm mov a, eax static __inline int64_t read_counter(void) { int64_t ts; uint32_t ts1, ts2; __asm { rdtsc mov ts1, eax mov ts2, edx } ts = ((uint64_t) ts2 << 32) | ((uint64_t) ts1); return ts; } /*---------------------------------------------------------------------------- | msvc unknown architecture *---------------------------------------------------------------------------*/ # else /* ANSI C version of BSWAP */ #define BSWAP(x) \ x = ((((x) & 0xff000000) >> 24) | \ (((x) & 0x00ff0000) >> 8) | \ (((x) & 0x0000ff00) << 8) | \ (((x) & 0x000000ff) << 24)) # endif /***************************************************************************** * GNU CC compiler stuff ****************************************************************************/ #elif defined(__GNUC__) || defined(__ICC) /* Compiler test */ /*---------------------------------------------------------------------------- | Common gcc stuff *---------------------------------------------------------------------------*/ /* * As gcc is (mostly) C99 compliant, we define DPRINTF only if it's realy needed * and it's a macro calling fprintf directly */ # ifdef _DEBUG /* Needed for all debuf fprintf calls */ # include <stdio.h> # define DPRINTF(level, format, ...) \ do {\ if(DPRINTF_LEVEL & level)\ fprintf(stderr, format"\n", ##__VA_ARGS__);\ }while(0); # else /* _DEBUG */ # define DPRINTF(level, format, ...) # endif /* _DEBUG */ # define DECLARE_ALIGNED_MATRIX(name,sizex,sizey,type,alignment) \ type name##_storage[(sizex)*(sizey)+(alignment)-1]; \ type * name = (type *) (((ptr_t) name##_storage+(alignment - 1)) & ~((ptr_t)(alignment)-1)) /*---------------------------------------------------------------------------- | gcc x86 specific macros/functions *---------------------------------------------------------------------------*/ # if defined(ARCH_X86) # define BSWAP(a) __asm__ ( "bswapl %0\n" : "=r" (a) : "0" (a) ); static __inline int64_t read_counter(void) { int64_t ts; uint32_t ts1, ts2; __asm__ __volatile__("rdtsc\n\t":"=a"(ts1), "=d"(ts2)); ts = ((uint64_t) ts2 << 32) | ((uint64_t) ts1); return ts; } /*---------------------------------------------------------------------------- | gcc PPC and PPC Altivec specific macros/functions *---------------------------------------------------------------------------*/ # elif defined(ARCH_PPC) # define BSWAP(a) __asm__ __volatile__ \ ( "lwbrx %0,0,%1; eieio" : "=r" (a) : "r" (&(a)), "m" (a)); static __inline unsigned long get_tbl(void) { unsigned long tbl; asm volatile ("mftb %0":"=r" (tbl)); return tbl; } static __inline unsigned long get_tbu(void) { unsigned long tbl; asm volatile ("mftbu %0":"=r" (tbl)); return tbl; } static __inline int64_t read_counter(void) { unsigned long tb, tu; do { tu = get_tbu(); tb = get_tbl(); }while (tb != get_tbl()); return (((int64_t) tu) << 32) | (int64_t) tb; } /*---------------------------------------------------------------------------- | gcc IA64 specific macros/functions *---------------------------------------------------------------------------*/ # elif defined(ARCH_IA64) # define BSWAP(a) __asm__ __volatile__ \ ("mux1 %1 = %0, @rev" ";;" \ "shr.u %1 = %1, 32" : "=r" (a) : "r" (a)); static __inline int64_t read_counter(void) { unsigned long result; __asm__ __volatile__("mov %0=ar.itc" : "=r"(result) :: "memory"); return result; } /*---------------------------------------------------------------------------- | gcc SPARC specific macros/functions *---------------------------------------------------------------------------*/ # elif defined(ARCH_SPARC) # define BSWAP(a) \ ((a) = (((a) & 0xff) << 24) | (((a) & 0xff00) << 8) | \ (((a) >> 8) & 0xff00) | (((a) >> 24) & 0xff)) static __inline int64_t read_counter(void) { return 0; } /*---------------------------------------------------------------------------- | gcc MIPS specific macros/functions *---------------------------------------------------------------------------*/ # elif defined(ARCH_MIPS) # define BSWAP(a) \ ((a) = (((a) & 0xff) << 24) | (((a) & 0xff00) << 8) | \ (((a) >> 8) & 0xff00) | (((a) >> 24) & 0xff)) static __inline int64_t read_counter(void) { return 0; } /*---------------------------------------------------------------------------- | XviD + gcc unsupported Architecture *---------------------------------------------------------------------------*/ # else /* ANSI C version of BSWAP */ #define BSWAP(x) \ x = ((((x) & 0xff000000) >> 24) | \ (((x) & 0x00ff0000) >> 8) | \ (((x) & 0x0000ff00) << 8) | \ (((x) & 0x000000ff) << 24)) # endif /* Architecture checking */ /***************************************************************************** * OPEN WATCOM C/C++ compiler ****************************************************************************/ #elif defined(__WATCOMC__) # include <stdio.h> # include <stdarg.h> static __inline void DPRINTF(int level, char *fmt, ...) { if (DPRINTF_LEVEL & level) { va_list args; char buf[DPRINTF_BUF_SZ]; va_start(args, fmt); vsprintf(buf, fmt, args); fprintf(stderr, "%s\n", buf); } } # define DECLARE_ALIGNED_MATRIX(name,sizex,sizey,type,alignment) \ type name##_storage[(sizex)*(sizey)+(alignment)-1]; \ type * name = (type *) (((int32_t) name##_storage+(alignment - 1)) & ~((int32_t)(alignment)-1)) /*---------------------------------------------------------------------------- | watcom x86 specific macros/functions *---------------------------------------------------------------------------*/ # if defined(ARCH_X86) # define BSWAP(a) __asm mov eax,a __asm bswap eax __asm mov a, eax static __inline int64_t read_counter(void) { int64_t ts; uint32_t ts1, ts2; __asm { rdtsc mov ts1, eax mov ts2, edx } ts = ((uint64_t) ts2 << 32) | ((uint64_t) ts1); return ts; } /*---------------------------------------------------------------------------- | watcom unsupported architecture *---------------------------------------------------------------------------*/ # else # define BSWAP(x) \ x = ((((x) & 0xff000000) >> 24) | \ (((x) & 0x00ff0000) >> 8) | \ (((x) & 0x0000ff00) << 8) | \ (((x) & 0x000000ff) << 24)) static int64_t read_counter() { return 0; } # endif /***************************************************************************** * Unknown compiler ****************************************************************************/ #else /* Compiler test */ # error Compiler not supported #endif /* Compiler test */ #endif
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