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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(void);

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