1/* 2 * linux/include/asm-arm/cpu-multi32.h 3 * 4 * Copyright (C) 2000 Russell King 5 * 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. 9 */ 10#include <asm/page.h> 11 12struct mm_struct; 13 14/* 15 * Don't change this structure - ASM code 16 * relies on it. 17 */ 18extern struct processor { 19 /* MISC 20 * get data abort address/flags 21 */ 22 void (*_data_abort)(unsigned long pc); 23 /* 24 * Set up any processor specifics 25 */ 26 void (*_proc_init)(void); 27 /* 28 * Disable any processor specifics 29 */ 30 void (*_proc_fin)(void); 31 /* 32 * Special stuff for a reset 33 */ 34 void (*reset)(unsigned long addr) __attribute__((noreturn)); 35 /* 36 * Idle the processor 37 */ 38 int (*_do_idle)(void); 39 /* 40 * Processor architecture specific 41 */ 42 /* 43 * clean a virtual address range from the 44 * D-cache without flushing the cache. 45 */ 46 void (*dcache_clean_area)(void *addr, int size); 47 48 /* 49 * Set the page table 50 */ 51 void (*switch_mm)(unsigned long pgd_phys, struct mm_struct *mm); 52 /* 53 * Set a possibly extended PTE. Non-extended PTEs should 54 * ignore 'ext'. 55 */ 56 void (*set_pte_ext)(pte_t *ptep, pte_t pte, unsigned int ext); 57} processor; 58 59#define cpu_proc_init() processor._proc_init() 60#define cpu_proc_fin() processor._proc_fin() 61#define cpu_reset(addr) processor.reset(addr) 62#define cpu_do_idle() processor._do_idle() 63#define cpu_dcache_clean_area(addr,sz) processor.dcache_clean_area(addr,sz) 64#define cpu_set_pte_ext(ptep,pte,ext) processor.set_pte_ext(ptep,pte,ext) 65#define cpu_do_switch_mm(pgd,mm) processor.switch_mm(pgd,mm) 66