Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * linux/include/asm-arm/procinfo.h |
| 3 | * |
| 4 | * Copyright (C) 1996-1999 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 | #ifndef __ASM_PROCINFO_H |
| 11 | #define __ASM_PROCINFO_H |
| 12 | |
| 13 | #ifndef __ASSEMBLY__ |
| 14 | |
| 15 | struct cpu_tlb_fns; |
| 16 | struct cpu_user_fns; |
| 17 | struct cpu_cache_fns; |
| 18 | struct processor; |
| 19 | |
| 20 | /* |
| 21 | * Note! struct processor is always defined if we're |
| 22 | * using MULTI_CPU, otherwise this entry is unused, |
| 23 | * but still exists. |
| 24 | * |
| 25 | * NOTE! The following structure is defined by assembly |
| 26 | * language, NOT C code. For more information, check: |
| 27 | * arch/arm/mm/proc-*.S and arch/arm/kernel/head.S |
| 28 | */ |
| 29 | struct proc_info_list { |
| 30 | unsigned int cpu_val; |
| 31 | unsigned int cpu_mask; |
| 32 | unsigned long __cpu_mmu_flags; /* used by head.S */ |
| 33 | unsigned long __cpu_flush; /* used by head.S */ |
| 34 | const char *arch_name; |
| 35 | const char *elf_name; |
| 36 | unsigned int elf_hwcap; |
| 37 | const char *cpu_name; |
| 38 | struct processor *proc; |
| 39 | struct cpu_tlb_fns *tlb; |
| 40 | struct cpu_user_fns *user; |
| 41 | struct cpu_cache_fns *cache; |
| 42 | }; |
| 43 | |
| 44 | extern unsigned int elf_hwcap; |
| 45 | |
| 46 | #endif /* __ASSEMBLY__ */ |
| 47 | |
| 48 | #define PROC_INFO_SZ 48 |
| 49 | |
| 50 | #define HWCAP_SWP 1 |
| 51 | #define HWCAP_HALF 2 |
| 52 | #define HWCAP_THUMB 4 |
| 53 | #define HWCAP_26BIT 8 /* Play it safe */ |
| 54 | #define HWCAP_FAST_MULT 16 |
| 55 | #define HWCAP_FPA 32 |
| 56 | #define HWCAP_VFP 64 |
| 57 | #define HWCAP_EDSP 128 |
| 58 | #define HWCAP_JAVA 256 |
| 59 | |
| 60 | #endif |