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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _SPARC_CACHEFLUSH_H
#define _SPARC_CACHEFLUSH_H
#include <linux/page-flags.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 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)
void sparc_flush_page_to_ram(struct page *page);
void sparc_flush_folio_to_ram(struct folio *folio);
#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
#define flush_dcache_folio(folio) sparc_flush_folio_to_ram(folio)
static inline void flush_dcache_page(struct page *page)
{
flush_dcache_folio(page_folio(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_vmap_early(start, end) do { } while (0)
#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 */