1/* 2 * arch/arm/include/asm/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 * Retrieve prefetch fault address 25 */ 26 unsigned long (*_prefetch_abort)(unsigned long lr); 27 /* 28 * Set up any processor specifics 29 */ 30 void (*_proc_init)(void); 31 /* 32 * Disable any processor specifics 33 */ 34 void (*_proc_fin)(void); 35 /* 36 * Special stuff for a reset 37 */ 38 void (*reset)(unsigned long addr) __attribute__((noreturn)); 39 /* 40 * Idle the processor 41 */ 42 int (*_do_idle)(void); 43 /* 44 * Processor architecture specific 45 */ 46 /* 47 * clean a virtual address range from the 48 * D-cache without flushing the cache. 49 */ 50 void (*dcache_clean_area)(void *addr, int size); 51 52 /* 53 * Set the page table 54 */ 55 void (*switch_mm)(unsigned long pgd_phys, struct mm_struct *mm); 56 /* 57 * Set a possibly extended PTE. Non-extended PTEs should 58 * ignore 'ext'. 59 */ 60 void (*set_pte_ext)(pte_t *ptep, pte_t pte, unsigned int ext); 61} processor; 62 63#define cpu_proc_init() processor._proc_init() 64#define cpu_proc_fin() processor._proc_fin() 65#define cpu_reset(addr) processor.reset(addr) 66#define cpu_do_idle() processor._do_idle() 67#define cpu_dcache_clean_area(addr,sz) processor.dcache_clean_area(addr,sz) 68#define cpu_set_pte_ext(ptep,pte,ext) processor.set_pte_ext(ptep,pte,ext) 69#define cpu_do_switch_mm(pgd,mm) processor.switch_mm(pgd,mm) 70