include/asm-arm/procinfo.h

   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_mm_mmu_flags;     /* used by head.S */
  33         unsigned long           __cpu_io_mmu_flags;     /* used by head.S */
  34         unsigned long           __cpu_flush;            /* used by head.S */
  35         const char              *arch_name;
  36         const char              *elf_name;
  37         unsigned int            elf_hwcap;
  38         const char              *cpu_name;
  39         struct processor        *proc;
  40         struct cpu_tlb_fns      *tlb;
  41         struct cpu_user_fns     *user;
  42         struct cpu_cache_fns    *cache;
  43 };
  44
  45 extern unsigned int elf_hwcap;
  46
  47 #endif  /* __ASSEMBLY__ */
  48
  49 #define HWCAP_SWP       1
  50 #define HWCAP_HALF      2
  51 #define HWCAP_THUMB     4
  52 #define HWCAP_26BIT     8       /* Play it safe */
  53 #define HWCAP_FAST_MULT 16
  54 #define HWCAP_FPA       32
  55 #define HWCAP_VFP       64
  56 #define HWCAP_EDSP      128
  57 #define HWCAP_JAVA      256
  58 #define HWCAP_IWMMXT    512
  59
  60 #endif