mirror of
https://github.com/qmk/qmk_firmware.git
synced 2024-12-15 14:13:27 +00:00
01ecf332ff
* Initial import of wear-leveling algorithm. * Alignment. * Docs tweaks. * Lock/unlock. * Update quantum/wear_leveling/wear_leveling_internal.h Co-authored-by: Stefan Kerkmann <karlk90@pm.me> * More tests, fix issue with consolidation when unlocked. * More tests. * Review comments. * Add plumbing for FNV1a. * Another test checking that checksum mismatch clears the cache. * Check that the write log still gets played back. Co-authored-by: Stefan Kerkmann <karlk90@pm.me>
59 lines
1.6 KiB
C
59 lines
1.6 KiB
C
/*
|
|
* have_ulong64 - Determine if we have a 64 bit unsigned long long
|
|
*
|
|
* usage:
|
|
* have_ulong64 > longlong.h
|
|
*
|
|
* Not all systems have a 'long long type' so this may not compile on
|
|
* your system.
|
|
*
|
|
* This prog outputs the define:
|
|
*
|
|
* HAVE_64BIT_LONG_LONG
|
|
* defined ==> we have a 64 bit unsigned long long
|
|
* undefined ==> we must simulate a 64 bit unsigned long long
|
|
*/
|
|
/*
|
|
*
|
|
* Please do not copyright this code. This code is in the public domain.
|
|
*
|
|
* LANDON CURT NOLL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
|
|
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO
|
|
* EVENT SHALL LANDON CURT NOLL BE LIABLE FOR ANY SPECIAL, INDIRECT OR
|
|
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
|
|
* USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
|
|
* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
|
|
* PERFORMANCE OF THIS SOFTWARE.
|
|
*
|
|
* By:
|
|
* chongo <Landon Curt Noll> /\oo/\
|
|
* http://www.isthe.com/chongo/
|
|
*
|
|
* Share and Enjoy! :-)
|
|
*/
|
|
|
|
/*
|
|
* have the compiler try its hand with unsigned and signed long longs
|
|
*/
|
|
#if ! defined(NO64BIT_LONG_LONG)
|
|
unsigned long long val = 1099511628211ULL;
|
|
#endif /* NO64BIT_LONG_LONG */
|
|
|
|
int
|
|
main(void)
|
|
{
|
|
/*
|
|
* ensure that the length of long long val is what we expect
|
|
*/
|
|
#if defined(NO64BIT_LONG_LONG)
|
|
printf("#undef HAVE_64BIT_LONG_LONG\t/* no */\n");
|
|
#else /* NO64BIT_LONG_LONG */
|
|
if (val == 1099511628211ULL && sizeof(val) == 8) {
|
|
printf("#define HAVE_64BIT_LONG_LONG\t/* yes */\n");
|
|
}
|
|
#endif /* NO64BIT_LONG_LONG */
|
|
|
|
/* exit(0); */
|
|
return 0;
|
|
}
|