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/*
* 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
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