2 * linux/include/asm-arm/cpu-single.h
4 * Copyright (C) 2000 Russell King
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
14 #define __catify_fn(name,x) name##x
16 #define __catify_fn(name,x) name/**/x
18 #define __cpu_fn(name,x) __catify_fn(name,x)
21 * If we are supporting multiple CPUs, then we must use a table of
22 * function pointers for this lot. Otherwise, we can optimise the
25 #define cpu_proc_init __cpu_fn(CPU_NAME,_proc_init)
26 #define cpu_proc_fin __cpu_fn(CPU_NAME,_proc_fin)
27 #define cpu_reset __cpu_fn(CPU_NAME,_reset)
28 #define cpu_do_idle __cpu_fn(CPU_NAME,_do_idle)
29 #define cpu_dcache_clean_area __cpu_fn(CPU_NAME,_dcache_clean_area)
30 #define cpu__switch_mm __cpu_fn(CPU_NAME,_switch_mm)
31 #define cpu_set_pte __cpu_fn(CPU_NAME,_set_pte)
35 #include <asm/memory.h>
40 /* declare all the functions as extern */
41 extern void cpu_proc_init(void);
42 extern void cpu_proc_fin(void);
43 extern int cpu_do_idle(void);
44 extern void cpu_dcache_clean_area(void *, int);
45 extern void cpu__switch_mm(unsigned long pgd_phys, struct mm_struct *mm);
46 extern void cpu_set_pte(pte_t *ptep, pte_t pte);
48 extern volatile void cpu_reset(unsigned long addr);
50 #define cpu_switch_mm(pgd,mm) cpu__switch_mm(__virt_to_phys((unsigned long)(pgd)),mm)
52 #define cpu_get_pgd() \
55 __asm__("mrc p15, 0, %0, c2, c0, 0" \
56 : "=r" (pg) : : "cc"); \
58 (pgd_t *)phys_to_virt(pg); \