grub/include/grub/cache.h
Vladimir 'phcoder' Serbinenko 19e1c41bbf Flush caches on DMA memory.
* grub-core/kern/mips/cache.S (grub_arch_sync_dma_caches): New function.
	* grub-core/bus/pci.c (grub_memalign_dma32): Flush caches.
	(grub_dma_free): Likewise.
	* include/grub/cache.h (grub_arch_sync_dma_caches): New declaration.
2011-05-13 20:56:50 +02:00

50 lines
1.4 KiB
C

/* cache.h - Flush the processor's cache. */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2004,2007 Free Software Foundation, Inc.
*
* GRUB 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 3 of the License, or
* (at your option) any later version.
*
* GRUB 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 GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef GRUB_CACHE_H
#define GRUB_CACHE_H 1
#include <grub/symbol.h>
#include <grub/types.h>
#ifdef _mips
#include <grub/mips/cache.h>
#endif
#if defined (__i386__) || defined (__x86_64__)
static inline void
grub_arch_sync_caches (void *address __attribute__ ((unused)),
grub_size_t len __attribute__ ((unused)))
{
}
#else
void EXPORT_FUNC(grub_arch_sync_caches) (void *address, grub_size_t len);
#endif
#ifdef _mips
void EXPORT_FUNC(grub_arch_sync_dma_caches) (void *address, grub_size_t len);
#else
static inline void
grub_arch_sync_dma_caches (void *address __attribute__ ((unused)),
grub_size_t len __attribute__ ((unused)))
{
}
#endif
#endif /* ! GRUB_CACHE_HEADER */