| 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) |