cpu-single.h
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上传日期:2013-02-24
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文件大小:3k
- /*
- * linux/include/asm-arm/cpu-single.h
- *
- * Copyright (C) 2000 Russell King
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
- /*
- * Single CPU
- */
- #ifdef __STDC__
- #define __cpu_fn(name,x) cpu_##name##x
- #else
- #define __cpu_fn(name,x) cpu_/**/name/**/x
- #endif
- #define cpu_fn(name,x) __cpu_fn(name,x)
- /*
- * If we are supporting multiple CPUs, then we must use a table of
- * function pointers for this lot. Otherwise, we can optimise the
- * table away.
- */
- #define cpu_data_abort cpu_fn(CPU_NAME,_data_abort)
- #define cpu_check_bugs cpu_fn(CPU_NAME,_check_bugs)
- #define cpu_proc_init cpu_fn(CPU_NAME,_proc_init)
- #define cpu_proc_fin cpu_fn(CPU_NAME,_proc_fin)
- #define cpu_reset cpu_fn(CPU_NAME,_reset)
- #define cpu_do_idle cpu_fn(CPU_NAME,_do_idle)
- #define cpu_cache_clean_invalidate_all cpu_fn(CPU_NAME,_cache_clean_invalidate_all)
- #define cpu_cache_clean_invalidate_range cpu_fn(CPU_NAME,_cache_clean_invalidate_range)
- #define cpu_flush_ram_page cpu_fn(CPU_NAME,_flush_ram_page)
- #define cpu_dcache_invalidate_range cpu_fn(CPU_NAME,_dcache_invalidate_range)
- #define cpu_dcache_clean_range cpu_fn(CPU_NAME,_dcache_clean_range)
- #define cpu_dcache_clean_page cpu_fn(CPU_NAME,_dcache_clean_page)
- #define cpu_dcache_clean_entry cpu_fn(CPU_NAME,_dcache_clean_entry)
- #define cpu_icache_invalidate_range cpu_fn(CPU_NAME,_icache_invalidate_range)
- #define cpu_icache_invalidate_page cpu_fn(CPU_NAME,_icache_invalidate_page)
- #define cpu_tlb_invalidate_all cpu_fn(CPU_NAME,_tlb_invalidate_all)
- #define cpu_tlb_invalidate_range cpu_fn(CPU_NAME,_tlb_invalidate_range)
- #define cpu_tlb_invalidate_page cpu_fn(CPU_NAME,_tlb_invalidate_page)
- #define cpu_set_pgd cpu_fn(CPU_NAME,_set_pgd)
- #define cpu_set_pmd cpu_fn(CPU_NAME,_set_pmd)
- #define cpu_set_pte cpu_fn(CPU_NAME,_set_pte)
- #ifndef __ASSEMBLY__
- #include <asm/memory.h>
- #include <asm/page.h>
- /* forward declare task_struct */
- struct task_struct;
- /* declare all the functions as extern */
- extern void cpu_data_abort(unsigned long pc);
- extern void cpu_check_bugs(void);
- extern void cpu_proc_init(void);
- extern void cpu_proc_fin(void);
- extern int cpu_do_idle(int mode);
- extern void cpu_cache_clean_invalidate_all(void);
- extern void cpu_cache_clean_invalidate_range(unsigned long address, unsigned long end, int flags);
- extern void cpu_flush_ram_page(void *virt_page);
- extern void cpu_dcache_invalidate_range(unsigned long start, unsigned long end);
- extern void cpu_dcache_clean_range(unsigned long start, unsigned long end);
- extern void cpu_dcache_clean_page(void *virt_page);
- extern void cpu_dcache_clean_entry(unsigned long address);
- extern void cpu_icache_invalidate_range(unsigned long start, unsigned long end);
- extern void cpu_icache_invalidate_page(void *virt_page);
- extern void cpu_tlb_invalidate_all(void);
- extern void cpu_tlb_invalidate_range(unsigned long address, unsigned long end);
- extern void cpu_tlb_invalidate_page(unsigned long address, int flags);
- extern void cpu_set_pgd(unsigned long pgd_phys);
- extern void cpu_set_pmd(pmd_t *pmdp, pmd_t pmd);
- extern void cpu_set_pte(pte_t *ptep, pte_t pte);
- extern volatile void cpu_reset(unsigned long addr);
- #define cpu_switch_mm(pgd,tsk) cpu_set_pgd(__virt_to_phys((unsigned long)(pgd)))
- #define cpu_get_pgd()
- ({
- unsigned long pg;
- __asm__("mrc p15, 0, %0, c2, c0, 0"
- : "=r" (pg));
- pg &= ~0x3fff;
- (pgd_t *)phys_to_virt(pg);
- })
- #endif