| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 |  | 
 | 12 | struct mm_struct; | 
 | 13 |  | 
 | 14 | /* | 
 | 15 |  * Don't change this structure - ASM code | 
 | 16 |  * relies on it. | 
 | 17 |  */ | 
 | 18 | extern 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 | 	 */ | 
| Al Viro | 3321565 | 2005-08-23 22:47:52 +0100 | [diff] [blame] | 34 | 	void (*reset)(unsigned long addr) __attribute__((noreturn)); | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | 	/* | 
| Russell King | ad1ae2f | 2006-12-13 14:34:43 +0000 | [diff] [blame] | 53 | 	 * Set a possibly extended PTE.  Non-extended PTEs should | 
 | 54 | 	 * ignore 'ext'. | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 55 | 	 */ | 
| Russell King | ad1ae2f | 2006-12-13 14:34:43 +0000 | [diff] [blame] | 56 | 	void (*set_pte_ext)(pte_t *ptep, pte_t pte, unsigned int ext); | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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) | 
| Russell King | ad1ae2f | 2006-12-13 14:34:43 +0000 | [diff] [blame] | 64 | #define cpu_set_pte_ext(ptep,pte,ext)	processor.set_pte_ext(ptep,pte,ext) | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 65 | #define cpu_do_switch_mm(pgd,mm)	processor.switch_mm(pgd,mm) |