fceux/src/types-des.h

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2013-09-23 20:48:54 +00:00
/* Copyright (C) 2005 Guillaume Duhamel
Copyright (C) 2008-2009 DeSmuME team
This file is part of DeSmuME
DeSmuME 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.
DeSmuME 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 DeSmuME; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef TYPES_HPP
#define TYPES_HPP
//analyze microsoft compilers
#ifdef _MSC_VER
#ifdef _XBOX
//#define _XBOX //already defined
#else
#define _WINDOWS
#ifdef _M_X64
//#define _WIN64 //already defined in x64 compiler
#else
//#define _WIN32 //already defined
#endif
#endif
#endif
//todo - everyone will want to support this eventually, i suppose
#ifdef _WINDOWS
#include "config.h"
#endif
//xbox needs to include this to resemble windows
#ifdef _XBOX
#include <xtl.h>
#include <io.h>
#endif
#ifdef DEVELOPER
#define IF_DEVELOPER(X) X
#else
#define IF_DEVELOPER(X)
#endif
#ifdef _WINDOWS
//#define HAVE_WX //not useful yet....
#define HAVE_LIBAGG
#define ENABLE_SSE
#define ENABLE_SSE2
#ifdef DEVELOPER
#define HAVE_LUA
#endif
#endif
#ifdef __GNUC__
#ifdef __SSE__
#define ENABLE_SSE
#endif
#ifdef __SSE2__
#define ENABLE_SSE2
#endif
#endif
#ifdef NOSSE
#undef ENABLE_SSE
#endif
#ifdef NOSSE2
#undef ENABLE_SSE2
#endif
#ifdef _MSC_VER
#define strcasecmp(x,y) _stricmp(x,y)
#define snprintf _snprintf
#else
#define WINAPI
#endif
#ifdef __GNUC__
#include <limits.h>
#ifndef PATH_MAX
#define MAX_PATH 1024
#else
#define MAX_PATH PATH_MAX
#endif
#endif
#ifdef _XBOX
#define MAX_PATH 1024
#define PATH_MAX 1024
#endif
#if defined(_MSC_VER) || defined(__INTEL_COMPILER)
#define ALIGN(X) __declspec(align(X))
#elif __GNUC__
#define ALIGN(X) __attribute__ ((aligned (X)))
#else
#define ALIGN(X)
#endif
#define CACHE_ALIGN ALIGN(32)
//use this for example when you want a byte value to be better-aligned
#define FAST_ALIGN ALIGN(4)
#ifndef FASTCALL
#ifdef __MINGW32__
#define FASTCALL __attribute__((fastcall))
#elif defined (__i386__) && !defined(__clang__)
#define FASTCALL __attribute__((regparm(3)))
#elif defined(_MSC_VER) || defined(__INTEL_COMPILER)
#define FASTCALL
#else
#define FASTCALL
#endif
#endif
#ifdef _MSC_VER
#define _CDECL_ __cdecl
#else
#define _CDECL_
#endif
#ifndef INLINE
#if defined(_MSC_VER) || defined(__INTEL_COMPILER)
#define INLINE _inline
#else
#define INLINE inline
#endif
#endif
#ifndef FORCEINLINE
#if defined(_MSC_VER) || defined(__INTEL_COMPILER)
#define FORCEINLINE __forceinline
#define MSC_FORCEINLINE __forceinline
#else
#define FORCEINLINE inline __attribute__((always_inline))
#define MSC_FORCEINLINE
#endif
#endif
#if defined(__LP64__)
typedef unsigned char u8;
typedef unsigned short u16;
typedef unsigned int u32;
typedef unsigned long long u64;
typedef signed char s8;
typedef signed short s16;
typedef signed int s32;
typedef signed long long s64;
#else
typedef unsigned char u8;
typedef unsigned short u16;
typedef unsigned int u32;
#if defined(_MSC_VER) || defined(__INTEL_COMPILER)
typedef unsigned __int64 u64;
#else
typedef unsigned long long u64;
#endif
typedef signed char s8;
typedef signed short s16;
typedef signed int s32;
#if defined(_MSC_VER) || defined(__INTEL_COMPILER)
typedef __int64 s64;
#else
typedef signed long long s64;
#endif
#endif
typedef u8 uint8;
typedef u16 uint16;
#ifndef OBJ_C
typedef u32 uint32;
#else
#define uint32 u32 //uint32 is defined in Leopard somewhere, avoid conflicts
#endif
/*---------- GPU3D fixed-points types -----------*/
typedef s32 f32;
#define inttof32(n) ((n) << 12)
#define f32toint(n) ((n) >> 12)
#define floattof32(n) ((int32)((n) * (1 << 12)))
#define f32tofloat(n) (((float)(n)) / (float)(1<<12))
typedef s16 t16;
#define f32tot16(n) ((t16)(n >> 8))
#define inttot16(n) ((n) << 4)
#define t16toint(n) ((n) >> 4)
#define floattot16(n) ((t16)((n) * (1 << 4)))
#define t16ofloat(n) (((float)(n)) / (float)(1<<4))
typedef s16 v16;
#define inttov16(n) ((n) << 12)
#define f32tov16(n) (n)
#define floattov16(n) ((v16)((n) * (1 << 12)))
#define v16toint(n) ((n) >> 12)
#define v16tofloat(n) (((float)(n)) / (float)(1<<12))
typedef s16 v10;
#define inttov10(n) ((n) << 9)
#define f32tov10(n) ((v10)(n >> 3))
#define v10toint(n) ((n) >> 9)
#define floattov10(n) ((v10)((n) * (1 << 9)))
#define v10tofloat(n) (((float)(n)) / (float)(1<<9))
/*----------------------*/
#ifndef OBJ_C
typedef int BOOL;
#else
//apple also defines BOOL
typedef int desmume_BOOL;
#define BOOL desmume_BOOL
#endif
#ifndef TRUE
#define TRUE 1
#endif
#ifndef FALSE
#define FALSE 0
#endif
#ifdef __BIG_ENDIAN__
#ifndef WORDS_BIGENDIAN
#define WORDS_BIGENDIAN
#endif
#endif
#ifdef WORDS_BIGENDIAN
# define LOCAL_BE
#else
# define LOCAL_LE
#endif
/* little endian (ds' endianess) to local endianess convert macros */
#ifdef LOCAL_BE /* local arch is big endian */
# define LE_TO_LOCAL_16(x) ((((x)&0xff)<<8)|(((x)>>8)&0xff))
# define LE_TO_LOCAL_32(x) ((((x)&0xff)<<24)|(((x)&0xff00)<<8)|(((x)>>8)&0xff00)|(((x)>>24)&0xff))
# define LE_TO_LOCAL_64(x) ((((x)&0xff)<<56)|(((x)&0xff00)<<40)|(((x)&0xff0000)<<24)|(((x)&0xff000000)<<8)|(((x)>>8)&0xff000000)|(((x)>>24)&0xff00)|(((x)>>40)&0xff00)|(((x)>>56)&0xff))
# define LOCAL_TO_LE_16(x) ((((x)&0xff)<<8)|(((x)>>8)&0xff))
# define LOCAL_TO_LE_32(x) ((((x)&0xff)<<24)|(((x)&0xff00)<<8)|(((x)>>8)&0xff00)|(((x)>>24)&0xff))
# define LOCAL_TO_LE_64(x) ((((x)&0xff)<<56)|(((x)&0xff00)<<40)|(((x)&0xff0000)<<24)|(((x)&0xff000000)<<8)|(((x)>>8)&0xff000000)|(((x)>>24)&0xff00)|(((x)>>40)&0xff00)|(((x)>>56)&0xff))
#else /* local arch is little endian */
# define LE_TO_LOCAL_16(x) (x)
# define LE_TO_LOCAL_32(x) (x)
# define LE_TO_LOCAL_64(x) (x)
# define LOCAL_TO_LE_16(x) (x)
# define LOCAL_TO_LE_32(x) (x)
# define LOCAL_TO_LE_64(x) (x)
#endif
// kilobytes and megabytes macro
#define MB(x) ((x)*1024*1024)
#define KB(x) ((x)*1024)
#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
#define CPU_STR(c) ((c==ARM9)?"ARM9":"ARM7")
typedef enum
{
ARM9 = 0,
ARM7 = 1
} cpu_id_t;
///endian-flips count bytes. count should be even and nonzero.
inline void FlipByteOrder(u8 *src, u32 count)
{
u8 *start=src;
u8 *end=src+count-1;
if((count&1) || !count) return; /* This shouldn't happen. */
while(count--)
{
u8 tmp;
tmp=*end;
*end=*start;
*start=tmp;
end--;
start++;
}
}
inline u64 double_to_u64(double d) {
union {
u64 a;
double b;
} fuxor;
fuxor.b = d;
return fuxor.a;
}
inline double u64_to_double(u64 u) {
union {
u64 a;
double b;
} fuxor;
fuxor.a = u;
return fuxor.b;
}
inline u32 float_to_u32(float f) {
union {
u32 a;
float b;
} fuxor;
fuxor.b = f;
return fuxor.a;
}
inline float u32_to_float(u32 u) {
union {
u32 a;
float b;
} fuxor;
fuxor.a = u;
return fuxor.b;
}
///stores a 32bit value into the provided byte array in guaranteed little endian form
inline void en32lsb(u8 *buf, u32 morp)
{
buf[0]=(u8)(morp);
buf[1]=(u8)(morp>>8);
buf[2]=(u8)(morp>>16);
buf[3]=(u8)(morp>>24);
}
inline void en16lsb(u8* buf, u16 morp)
{
buf[0]=(u8)morp;
buf[1]=(u8)(morp>>8);
}
///unpacks a 64bit little endian value from the provided byte array into host byte order
inline u64 de64lsb(u8 *morp)
{
return morp[0]|(morp[1]<<8)|(morp[2]<<16)|(morp[3]<<24)|((u64)morp[4]<<32)|((u64)morp[5]<<40)|((u64)morp[6]<<48)|((u64)morp[7]<<56);
}
///unpacks a 32bit little endian value from the provided byte array into host byte order
inline u32 de32lsb(u8 *morp)
{
return morp[0]|(morp[1]<<8)|(morp[2]<<16)|(morp[3]<<24);
}
///unpacks a 16bit little endian value from the provided byte array into host byte order
inline u16 de16lsb(u8 *morp)
{
return morp[0]|(morp[1]<<8);
}
#ifndef ARRAY_SIZE
//taken from winnt.h
extern "C++" // templates cannot be declared to have 'C' linkage
template <typename T, size_t N>
char (*BLAHBLAHBLAH( UNALIGNED T (&)[N] ))[N];
#define ARRAY_SIZE(A) (sizeof(*BLAHBLAHBLAH(A)))
#endif
//fairly standard for loop macros
#define MACRODO1(TRICK,TODO) { const int X = TRICK; TODO; }
#define MACRODO2(X,TODO) { MACRODO1((X),TODO) MACRODO1(((X)+1),TODO) }
#define MACRODO4(X,TODO) { MACRODO2((X),TODO) MACRODO2(((X)+2),TODO) }
#define MACRODO8(X,TODO) { MACRODO4((X),TODO) MACRODO4(((X)+4),TODO) }
#define MACRODO16(X,TODO) { MACRODO8((X),TODO) MACRODO8(((X)+8),TODO) }
#define MACRODO32(X,TODO) { MACRODO16((X),TODO) MACRODO16(((X)+16),TODO) }
#define MACRODO64(X,TODO) { MACRODO32((X),TODO) MACRODO32(((X)+32),TODO) }
#define MACRODO128(X,TODO) { MACRODO64((X),TODO) MACRODO64(((X)+64),TODO) }
#define MACRODO256(X,TODO) { MACRODO128((X),TODO) MACRODO128(((X)+128),TODO) }
//this one lets you loop any number of times (as long as N<256)
#define MACRODO_N(N,TODO) {\
if((N)&0x100) MACRODO256(0,TODO); \
if((N)&0x080) MACRODO128((N)&(0x100),TODO); \
if((N)&0x040) MACRODO64((N)&(0x100|0x080),TODO); \
if((N)&0x020) MACRODO32((N)&(0x100|0x080|0x040),TODO); \
if((N)&0x010) MACRODO16((N)&(0x100|0x080|0x040|0x020),TODO); \
if((N)&0x008) MACRODO8((N)&(0x100|0x080|0x040|0x020|0x010),TODO); \
if((N)&0x004) MACRODO4((N)&(0x100|0x080|0x040|0x020|0x010|0x008),TODO); \
if((N)&0x002) MACRODO2((N)&(0x100|0x080|0x040|0x020|0x010|0x008|0x004),TODO); \
if((N)&0x001) MACRODO1((N)&(0x100|0x080|0x040|0x020|0x010|0x008|0x004|0x002),TODO); \
}
//---------------------------
//Binary constant generator macro By Tom Torfs - donated to the public domain
//turn a numeric literal into a hex constant
//(avoids problems with leading zeroes)
//8-bit constants max value 0x11111111, always fits in unsigned long
#define HEX__(n) 0x##n##LU
//8-bit conversion function
#define B8__(x) ((x&0x0000000FLU)?1:0) \
+((x&0x000000F0LU)?2:0) \
+((x&0x00000F00LU)?4:0) \
+((x&0x0000F000LU)?8:0) \
+((x&0x000F0000LU)?16:0) \
+((x&0x00F00000LU)?32:0) \
+((x&0x0F000000LU)?64:0) \
+((x&0xF0000000LU)?128:0)
//for upto 8-bit binary constants
#define B8(d) ((unsigned char)B8__(HEX__(d)))
// for upto 16-bit binary constants, MSB first
#define B16(dmsb,dlsb) (((unsigned short)B8(dmsb)<<8) \
+ B8(dlsb))
// for upto 32-bit binary constants, MSB first */
#define B32(dmsb,db2,db3,dlsb) (((unsigned long)B8(dmsb)<<24) \
+ ((unsigned long)B8(db2)<<16) \
+ ((unsigned long)B8(db3)<<8) \
+ B8(dlsb))
//Sample usage:
//B8(01010101) = 85
//B16(10101010,01010101) = 43605
//B32(10000000,11111111,10101010,01010101) = 2164238933
//---------------------------
#ifndef CTASSERT
#define CTASSERT(x) typedef char __assert ## y[(x) ? 1 : -1]
#endif
static const char hexValid[23] = {"0123456789ABCDEFabcdef"};
template<typename T> inline void reconstruct(T* t) {
t->~T();
new(t) T();
}
#endif