59 lines
1.9 KiB
C
59 lines
1.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef _SPARC_CACHEFLUSH_H
|
|
#define _SPARC_CACHEFLUSH_H
|
|
|
|
#include <asm/cachetlb_32.h>
|
|
|
|
#define flush_cache_all() \
|
|
sparc32_cachetlb_ops->cache_all()
|
|
#define flush_cache_mm(mm) \
|
|
sparc32_cachetlb_ops->cache_mm(mm)
|
|
#define flush_cache_dup_mm(mm) \
|
|
sparc32_cachetlb_ops->cache_mm(mm)
|
|
#define flush_cache_range(vma,start,end) \
|
|
sparc32_cachetlb_ops->cache_range(vma, start, end)
|
|
#define flush_cache_page(vma,addr,pfn) \
|
|
sparc32_cachetlb_ops->cache_page(vma, addr)
|
|
#define flush_icache_range(start, end) do { } while (0)
|
|
#define flush_icache_page(vma, pg) do { } while (0)
|
|
|
|
#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
|
|
do { \
|
|
flush_cache_page(vma, vaddr, page_to_pfn(page));\
|
|
memcpy(dst, src, len); \
|
|
} while (0)
|
|
#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
|
|
do { \
|
|
flush_cache_page(vma, vaddr, page_to_pfn(page));\
|
|
memcpy(dst, src, len); \
|
|
} while (0)
|
|
|
|
#define __flush_page_to_ram(addr) \
|
|
sparc32_cachetlb_ops->page_to_ram(addr)
|
|
#define flush_sig_insns(mm,insn_addr) \
|
|
sparc32_cachetlb_ops->sig_insns(mm, insn_addr)
|
|
#define flush_page_for_dma(addr) \
|
|
sparc32_cachetlb_ops->page_for_dma(addr)
|
|
|
|
struct page;
|
|
void sparc_flush_page_to_ram(struct page *page);
|
|
|
|
#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
|
|
#define flush_dcache_page(page) sparc_flush_page_to_ram(page)
|
|
#define flush_dcache_mmap_lock(mapping) do { } while (0)
|
|
#define flush_dcache_mmap_unlock(mapping) do { } while (0)
|
|
|
|
#define flush_cache_vmap(start, end) flush_cache_all()
|
|
#define flush_cache_vunmap(start, end) flush_cache_all()
|
|
|
|
/* When a context switch happens we must flush all user windows so that
|
|
* the windows of the current process are flushed onto its stack. This
|
|
* way the windows are all clean for the next process and the stack
|
|
* frames are up to date.
|
|
*/
|
|
void flush_user_windows(void);
|
|
void kill_user_windows(void);
|
|
void flushw_all(void);
|
|
|
|
#endif /* _SPARC_CACHEFLUSH_H */
|