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#include <stdio.h>
#include "SDL.h"
#include "SDL_endian.h"
#include "SDL_cpuinfo.h"
/*
* Watcom C flags these as Warning 201: "Unreachable code" if you just
* compare them directly, so we push it through a function to keep the
* compiler quiet. --ryan.
*/
static int badsize(size_t sizeoftype, size_t hardcodetype)
{
return sizeoftype != hardcodetype;
}
int TestTypes(SDL_bool verbose)
{
int error = 0;
if ( badsize(sizeof(Uint8), 1) ) {
if ( verbose )
printf("sizeof(Uint8) != 1, instead = %lu\n",
(unsigned long) sizeof(Uint8));
++error;
}
if ( badsize(sizeof(Uint16), 2) ) {
if ( verbose )
printf("sizeof(Uint16) != 2, instead = %lu\n",
(unsigned long) sizeof(Uint16));
++error;
}
if ( badsize(sizeof(Uint32), 4) ) {
if ( verbose )
printf("sizeof(Uint32) != 4, instead = %lu\n",
(unsigned long) sizeof(Uint32));
++error;
}
#ifdef SDL_HAS_64BIT_TYPE
if ( badsize(sizeof(Uint64), 8) ) {
if ( verbose )
printf("sizeof(Uint64) != 8, instead = %lu\n",
(unsigned long) sizeof(Uint64));
++error;
}
#else
if ( verbose ) {
printf("WARNING: No 64-bit datatype on this platform\n");
}
#endif
if ( verbose && !error )
printf("All data types are the expected size.\n");
return( error ? 1 : 0 );
}
int TestEndian(SDL_bool verbose)
{
int error = 0;
Uint16 value = 0x1234;
int real_byteorder;
Uint16 value16 = 0xCDAB;
Uint16 swapped16 = 0xABCD;
Uint32 value32 = 0xEFBEADDE;
Uint32 swapped32 = 0xDEADBEEF;
#ifdef SDL_HAS_64BIT_TYPE
Uint64 value64, swapped64;
value64 = 0xEFBEADDE;
value64 <<= 32;
value64 |= 0xCDAB3412;
swapped64 = 0x1234ABCD;
swapped64 <<= 32;
swapped64 |= 0xDEADBEEF;
#endif
if ( verbose ) {
printf("Detected a %s endian machine.\n",
(SDL_BYTEORDER == SDL_LIL_ENDIAN) ? "little" : "big");
}
if ( (*((char *)&value) >> 4) == 0x1 ) {
real_byteorder = SDL_BIG_ENDIAN;
} else {
real_byteorder = SDL_LIL_ENDIAN;
}
if ( real_byteorder != SDL_BYTEORDER ) {
if ( verbose ) {
printf("Actually a %s endian machine!\n",
(real_byteorder == SDL_LIL_ENDIAN) ? "little" : "big");
}
++error;
}
if ( verbose ) {
printf("Value 16 = 0x%X, swapped = 0x%X\n", value16, SDL_Swap16(value16));
}
if ( SDL_Swap16(value16) != swapped16 ) {
if ( verbose ) {
printf("16 bit value swapped incorrectly!\n");
}
++error;
}
if ( verbose ) {
printf("Value 32 = 0x%X, swapped = 0x%X\n", value32, SDL_Swap32(value32));
}
if ( SDL_Swap32(value32) != swapped32 ) {
if ( verbose ) {
printf("32 bit value swapped incorrectly!\n");
}
++error;
}
#ifdef SDL_HAS_64BIT_TYPE
if ( verbose ) {
#ifdef _WIN32
printf("Value 64 = 0x%I64X, swapped = 0x%I64X\n", value64, SDL_Swap64(value64));
#else
printf("Value 64 = 0x%llX, swapped = 0x%llX\n", (unsigned long long) value64, (unsigned long long) SDL_Swap64(value64));
#endif
}
if ( SDL_Swap64(value64) != swapped64 ) {
if ( verbose ) {
printf("64 bit value swapped incorrectly!\n");
}
++error;
}
#endif
return( error ? 1 : 0 );
}
int TestCPUInfo(SDL_bool verbose)
{
if ( verbose ) {
printf("RDTSC %s\n", SDL_HasRDTSC() ? "detected" : "not detected");
printf("MMX %s\n", SDL_HasMMX() ? "detected" : "not detected");
printf("MMX Ext %s\n", SDL_HasMMXExt() ? "detected" : "not detected");
printf("3DNow %s\n", SDL_Has3DNow() ? "detected" : "not detected");
printf("3DNow Ext %s\n", SDL_Has3DNowExt() ? "detected" : "not detected");
printf("SSE %s\n", SDL_HasSSE() ? "detected" : "not detected");
printf("SSE2 %s\n", SDL_HasSSE2() ? "detected" : "not detected");
printf("AltiVec %s\n", SDL_HasAltiVec() ? "detected" : "not detected");
}
return(0);
}
int main(int argc, char *argv[])
{
SDL_bool verbose = SDL_TRUE;
int status = 0;
if ( argv[1] && (SDL_strcmp(argv[1], "-q") == 0) ) {
verbose = SDL_FALSE;
}
if ( verbose ) {
printf("This system is running %s\n",
#if __AIX__
"AIX"
#elif __HAIKU__
/* Haiku must appear here before BeOS, since it also defines __BEOS__ */
"Haiku"
#elif __BEOS__
"BeOS"
#elif __BSDI__
"BSDI"
#elif __DREAMCAST__
"Dreamcast"
#elif __FREEBSD__
"FreeBSD"
#elif __HPUX__
"HP-UX"
#elif __IRIX__
"Irix"
#elif __LINUX__
"Linux"
#elif __MINT__
"Atari MiNT"
#elif __MACOS__
"MacOS Classic"
#elif __MACOSX__
"Mac OS X"
#elif __NETBSD__
"NetBSD"
#elif __OPENBSD__
"OpenBSD"
#elif __OS2__
"OS/2"
#elif __OSF__
"OSF/1"
#elif __QNXNTO__
"QNX Neutrino"
#elif __RISCOS__
"RISC OS"
#elif __SOLARIS__
"Solaris"
#elif __WIN32__
#ifdef _WIN32_WCE
"Windows CE"
#else
"Windows"
#endif
#else
"an unknown operating system! (see SDL_platform.h)"
#endif
);
}
status += TestTypes(verbose);
status += TestEndian(verbose);
status += TestCPUInfo(verbose);
return status;
}
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