projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 | 1 | /* |
| 4baa9922 | 2 | * arch/arm/include/asm/cpu-multi32.h |
| 1da177e4 LT |
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); | |
| 48d7927b PB |
23 | /* |
| 24 | * Retrieve prefetch fault address | |
| 25 | */ | |
| 26 | unsigned long (*_prefetch_abort)(unsigned long lr); | |
| 1da177e4 LT |
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 | */ | |
| 33215652 | 38 | void (*reset)(unsigned long addr) __attribute__((noreturn)); |
| 1da177e4 LT |
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 | /* | |
| ad1ae2fe RK |
57 | * Set a possibly extended PTE. Non-extended PTEs should |
| 58 | * ignore 'ext'. | |
| 1da177e4 | 59 | */ |
| ad1ae2fe | 60 | void (*set_pte_ext)(pte_t *ptep, pte_t pte, unsigned int ext); |
| 1da177e4 LT |
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) | |
| ad1ae2fe | 68 | #define cpu_set_pte_ext(ptep,pte,ext) processor.set_pte_ext(ptep,pte,ext) |
| 1da177e4 | 69 | #define cpu_do_switch_mm(pgd,mm) processor.switch_mm(pgd,mm) |