mirror of
https://github.com/marqs85/ossc
synced 2025-11-01 00:16:03 +03:00
54 lines
3.0 KiB
C
54 lines
3.0 KiB
C
/******************************************************************************
|
|
* *
|
|
* License Agreement *
|
|
* *
|
|
* Copyright (c) 2003,2007 Altera Corporation, San Jose, California, USA. *
|
|
* All rights reserved. *
|
|
* *
|
|
* Permission is hereby granted, free of charge, to any person obtaining a *
|
|
* copy of this software and associated documentation files (the "Software"), *
|
|
* to deal in the Software without restriction, including without limitation *
|
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense, *
|
|
* and/or sell copies of the Software, and to permit persons to whom the *
|
|
* Software is furnished to do so, subject to the following conditions: *
|
|
* *
|
|
* The above copyright notice and this permission notice shall be included in *
|
|
* all copies or substantial portions of the Software. *
|
|
* *
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR *
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, *
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE *
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER *
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING *
|
|
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER *
|
|
* DEALINGS IN THE SOFTWARE. *
|
|
* *
|
|
* This agreement shall be governed in all respects by the laws of the State *
|
|
* of California and by the laws of the United States of America. *
|
|
* *
|
|
******************************************************************************/
|
|
|
|
#include "sys/alt_warning.h"
|
|
#include "sys/alt_cache.h"
|
|
#include "system.h"
|
|
|
|
/*
|
|
* Free a block of uncached memory.
|
|
*/
|
|
|
|
void
|
|
alt_uncached_free(volatile void* ptr)
|
|
{
|
|
#if ALT_CPU_DCACHE_SIZE > 0
|
|
#ifdef ALT_CPU_DCACHE_BYPASS_MASK
|
|
free((void*) (((alt_u32)ptr) & ~ALT_CPU_DCACHE_BYPASS_MASK));
|
|
#else /* No address mask option enabled. */
|
|
/* Generate a link time error, should this function ever be called. */
|
|
ALT_LINK_ERROR("alt_uncached_free() is not available because CPU is not configured to use bit 31 of address to bypass data cache");
|
|
#endif /* No address mask option enabled. */
|
|
#else /* No data cache */
|
|
/* Nothing needs to be done to the pointer. */
|
|
free((void*)ptr);
|
|
#endif /* No data cache */
|
|
}
|