mirror of https://github.com/Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
79 lines
2.5 KiB
79 lines
2.5 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
|
#ifndef _SPARC64_CACHEFLUSH_H |
|
#define _SPARC64_CACHEFLUSH_H |
|
|
|
#include <asm/page.h> |
|
|
|
#ifndef __ASSEMBLY__ |
|
|
|
#include <linux/mm.h> |
|
|
|
/* Cache flush operations. */ |
|
#define flushw_all() __asm__ __volatile__("flushw") |
|
|
|
void __flushw_user(void); |
|
#define flushw_user() __flushw_user() |
|
|
|
#define flush_user_windows flushw_user |
|
#define flush_register_windows flushw_all |
|
|
|
/* These are the same regardless of whether this is an SMP kernel or not. */ |
|
#define flush_cache_mm(__mm) \ |
|
do { if ((__mm) == current->mm) flushw_user(); } while(0) |
|
#define flush_cache_dup_mm(mm) flush_cache_mm(mm) |
|
#define flush_cache_range(vma, start, end) \ |
|
flush_cache_mm((vma)->vm_mm) |
|
#define flush_cache_page(vma, page, pfn) \ |
|
flush_cache_mm((vma)->vm_mm) |
|
|
|
/* |
|
* On spitfire, the icache doesn't snoop local stores and we don't |
|
* use block commit stores (which invalidate icache lines) during |
|
* module load, so we need this. |
|
*/ |
|
void flush_icache_range(unsigned long start, unsigned long end); |
|
void __flush_icache_page(unsigned long); |
|
|
|
void __flush_dcache_page(void *addr, int flush_icache); |
|
void flush_dcache_page_impl(struct page *page); |
|
#ifdef CONFIG_SMP |
|
void smp_flush_dcache_page_impl(struct page *page, int cpu); |
|
void flush_dcache_page_all(struct mm_struct *mm, struct page *page); |
|
#else |
|
#define smp_flush_dcache_page_impl(page,cpu) flush_dcache_page_impl(page) |
|
#define flush_dcache_page_all(mm,page) flush_dcache_page_impl(page) |
|
#endif |
|
|
|
void __flush_dcache_range(unsigned long start, unsigned long end); |
|
#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1 |
|
void flush_dcache_page(struct page *page); |
|
|
|
#define flush_icache_page(vma, pg) do { } while(0) |
|
|
|
void flush_ptrace_access(struct vm_area_struct *, struct page *, |
|
unsigned long uaddr, void *kaddr, |
|
unsigned long len, int write); |
|
|
|
#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); \ |
|
flush_ptrace_access(vma, page, vaddr, src, len, 0); \ |
|
} 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); \ |
|
flush_ptrace_access(vma, page, vaddr, dst, len, 1); \ |
|
} while (0) |
|
|
|
#define flush_dcache_mmap_lock(mapping) do { } while (0) |
|
#define flush_dcache_mmap_unlock(mapping) do { } while (0) |
|
|
|
#define flush_cache_vmap(start, end) do { } while (0) |
|
#define flush_cache_vunmap(start, end) do { } while (0) |
|
|
|
#endif /* !__ASSEMBLY__ */ |
|
|
|
#endif /* _SPARC64_CACHEFLUSH_H */
|
|
|