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