/* MN10300 Cache flushing * * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. * Written by David Howells (dhowells@redhat.com) * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public Licence * as published by the Free Software Foundation; either version * 2 of the Licence, or (at your option) any later version. */ #ifndef _ASM_CACHEFLUSH_H #define _ASM_CACHEFLUSH_H #ifndef __ASSEMBLY__ /* Keep includes the same across arches. */ #include <linux/mm.h> /* * Primitive routines */ #ifdef CONFIG_MN10300_CACHE_ENABLED extern void mn10300_local_icache_inv(void); extern void mn10300_local_icache_inv_page(unsigned long start); extern void mn10300_local_icache_inv_range(unsigned long start, unsigned long end); extern void mn10300_local_icache_inv_range2(unsigned long start, unsigned long size); extern void mn10300_local_dcache_inv(void); extern void mn10300_local_dcache_inv_page(unsigned long start); extern void mn10300_local_dcache_inv_range(unsigned long start, unsigned long end); extern void mn10300_local_dcache_inv_range2(unsigned long start, unsigned long size); extern void mn10300_icache_inv(void); extern void mn10300_icache_inv_page(unsigned long start); extern void mn10300_icache_inv_range(unsigned long start, unsigned long end); extern void mn10300_icache_inv_range2(unsigned long start, unsigned long size); extern void mn10300_dcache_inv(void); extern void mn10300_dcache_inv_page(unsigned long start); extern void mn10300_dcache_inv_range(unsigned long start, unsigned long end); extern void mn10300_dcache_inv_range2(unsigned long start, unsigned long size); #ifdef CONFIG_MN10300_CACHE_WBACK extern void mn10300_local_dcache_flush(void); extern void mn10300_local_dcache_flush_page(unsigned long start); extern void mn10300_local_dcache_flush_range(unsigned long start, unsigned long end); extern void mn10300_local_dcache_flush_range2(unsigned long start, unsigned long size); extern void mn10300_local_dcache_flush_inv(void); extern void mn10300_local_dcache_flush_inv_page(unsigned long start); extern void mn10300_local_dcache_flush_inv_range(unsigned long start, unsigned long end); extern void mn10300_local_dcache_flush_inv_range2(unsigned long start, unsigned long size); extern void mn10300_dcache_flush(void); extern void mn10300_dcache_flush_page(unsigned long start); extern void mn10300_dcache_flush_range(unsigned long start, unsigned long end); extern void mn10300_dcache_flush_range2(unsigned long start, unsigned long size); extern void mn10300_dcache_flush_inv(void); extern void mn10300_dcache_flush_inv_page(unsigned long start); extern void mn10300_dcache_flush_inv_range(unsigned long start, unsigned long end); extern void mn10300_dcache_flush_inv_range2(unsigned long start, unsigned long size); #else #define mn10300_local_dcache_flush() do {} while (0) #define mn10300_local_dcache_flush_page(start) do {} while (0) #define mn10300_local_dcache_flush_range(start, end) do {} while (0) #define mn10300_local_dcache_flush_range2(start, size) do {} while (0) #define mn10300_local_dcache_flush_inv() \ mn10300_local_dcache_inv() #define mn10300_local_dcache_flush_inv_page(start) \ mn10300_local_dcache_inv_page(start) #define mn10300_local_dcache_flush_inv_range(start, end) \ mn10300_local_dcache_inv_range(start, end) #define mn10300_local_dcache_flush_inv_range2(start, size) \ mn10300_local_dcache_inv_range2(start, size) #define mn10300_dcache_flush() do {} while (0) #define mn10300_dcache_flush_page(start) do {} while (0) #define mn10300_dcache_flush_range(start, end) do {} while (0) #define mn10300_dcache_flush_range2(start, size) do {} while (0) #define mn10300_dcache_flush_inv() mn10300_dcache_inv() #define mn10300_dcache_flush_inv_page(start) \ mn10300_dcache_inv_page((start)) #define mn10300_dcache_flush_inv_range(start, end) \ mn10300_dcache_inv_range((start), (end)) #define mn10300_dcache_flush_inv_range2(start, size) \ mn10300_dcache_inv_range2((start), (size)) #endif /* CONFIG_MN10300_CACHE_WBACK */ #else #define mn10300_local_icache_inv() do {} while (0) #define mn10300_local_icache_inv_page(start) do {} while (0) #define mn10300_local_icache_inv_range(start, end) do {} while (0) #define mn10300_local_icache_inv_range2(start, size) do {} while (0) #define mn10300_local_dcache_inv() do {} while (0) #define mn10300_local_dcache_inv_page(start) do {} while (0) #define mn10300_local_dcache_inv_range(start, end) do {} while (0) #define mn10300_local_dcache_inv_range2(start, size) do {} while (0) #define mn10300_local_dcache_flush() do {} while (0) #define mn10300_local_dcache_flush_inv_page(start) do {} while (0) #define mn10300_local_dcache_flush_inv() do {} while (0) #define mn10300_local_dcache_flush_inv_range(start, end)do {} while (0) #define mn10300_local_dcache_flush_inv_range2(start, size) do {} while (0) #define mn10300_local_dcache_flush_page(start) do {} while (0) #define mn10300_local_dcache_flush_range(start, end) do {} while (0) #define mn10300_local_dcache_flush_range2(start, size) do {} while (0) #define mn10300_icache_inv() do {} while (0) #define mn10300_icache_inv_page(start) do {} while (0) #define mn10300_icache_inv_range(start, end) do {} while (0) #define mn10300_icache_inv_range2(start, size) do {} while (0) #define mn10300_dcache_inv() do {} while (0) #define mn10300_dcache_inv_page(start) do {} while (0) #define mn10300_dcache_inv_range(start, end) do {} while (0) #define mn10300_dcache_inv_range2(start, size) do {} while (0) #define mn10300_dcache_flush() do {} while (0) #define mn10300_dcache_flush_inv_page(start) do {} while (0) #define mn10300_dcache_flush_inv() do {} while (0) #define mn10300_dcache_flush_inv_range(start, end) do {} while (0) #define mn10300_dcache_flush_inv_range2(start, size) do {} while (0) #define mn10300_dcache_flush_page(start) do {} while (0) #define mn10300_dcache_flush_range(start, end) do {} while (0) #define mn10300_dcache_flush_range2(start, size) do {} while (0) #endif /* CONFIG_MN10300_CACHE_ENABLED */ /* * Virtually-indexed cache management (our cache is physically indexed) */ #define flush_cache_all() do {} while (0) #define flush_cache_mm(mm) do {} while (0) #define flush_cache_dup_mm(mm) do {} while (0) #define flush_cache_range(mm, start, end) do {} while (0) #define flush_cache_page(vma, vmaddr, pfn) do {} while (0) #define flush_cache_vmap(start, end) do {} while (0) #define flush_cache_vunmap(start, end) do {} while (0) #define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0 #define flush_dcache_page(page) do {} while (0) #define flush_dcache_mmap_lock(mapping) do {} while (0) #define flush_dcache_mmap_unlock(mapping) do {} while (0) /* * Physically-indexed cache management */ #if defined(CONFIG_MN10300_CACHE_FLUSH_ICACHE) extern void flush_icache_page(struct vm_area_struct *vma, struct page *page); extern void flush_icache_range(unsigned long start, unsigned long end); #elif defined(CONFIG_MN10300_CACHE_INV_ICACHE) static inline void flush_icache_page(struct vm_area_struct *vma, struct page *page) { mn10300_icache_inv_page(page_to_phys(page)); } extern void flush_icache_range(unsigned long start, unsigned long end); #else #define flush_icache_range(start, end) do {} while (0) #define flush_icache_page(vma, pg) do {} while (0) #endif #define flush_icache_user_range(vma, pg, adr, len) \ flush_icache_range(adr, adr + len) #define copy_to_user_page(vma, page, vaddr, dst, src, len) \ do { \ memcpy(dst, src, len); \ flush_icache_page(vma, page); \ } while (0) #define copy_from_user_page(vma, page, vaddr, dst, src, len) \ memcpy(dst, src, len) #endif /* __ASSEMBLY__ */ #endif /* _ASM_CACHEFLUSH_H */
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asm-offsets.h | File | 35 B | 0644 |
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atomic.h | File | 4.02 KB | 0644 |
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bitops.h | File | 5.42 KB | 0644 |
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busctl-regs.h | File | 7.8 KB | 0644 |
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cache.h | File | 2.06 KB | 0644 |
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cacheflush.h | File | 7.6 KB | 0644 |
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debugger.h | File | 1.2 KB | 0644 |
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hardirq.h | File | 1.68 KB | 0644 |
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highmem.h | File | 3.01 KB | 0644 |
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intctl-regs.h | File | 2.26 KB | 0644 |
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local64.h | File | 33 B | 0644 |
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mc146818rtc.h | File | 26 B | 0644 |
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mmu_context.h | File | 4.44 KB | 0644 |
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page.h | File | 3.63 KB | 0644 |
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page_offset.h | File | 302 B | 0644 |
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pci.h | File | 2.17 KB | 0644 |
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percpu.h | File | 32 B | 0644 |
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pgalloc.h | File | 1.49 KB | 0644 |
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pgtable.h | File | 15.68 KB | 0644 |
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pio-regs.h | File | 7.53 KB | 0644 |
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processor.h | File | 4.12 KB | 0644 |
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ptrace.h | File | 805 B | 0644 |
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reset-regs.h | File | 1.8 KB | 0644 |
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serial-regs.h | File | 8.85 KB | 0644 |
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serial.h | File | 1.02 KB | 0644 |
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shmparam.h | File | 182 B | 0644 |
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signal.h | File | 888 B | 0644 |
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smp.h | File | 3.06 KB | 0644 |
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spinlock.h | File | 3.84 KB | 0644 |
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string.h | File | 1.03 KB | 0644 |
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thread_info.h | File | 4.36 KB | 0644 |
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timer-regs.h | File | 20.72 KB | 0644 |
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timex.h | File | 843 B | 0644 |
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tlb.h | File | 941 B | 0644 |
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tlbflush.h | File | 3.45 KB | 0644 |
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topology.h | File | 34 B | 0644 |
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types.h | File | 620 B | 0644 |
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uaccess.h | File | 7.78 KB | 0644 |
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ucontext.h | File | 673 B | 0644 |
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unaligned.h | File | 678 B | 0644 |
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