include/asm-arm/procinfo.h

   1 /*
   2  *  linux/include/asm-arm/procinfo.h
   3  *
   4  *  Copyright (C) 1996-1999 Russell King
   5  *  Modified by Hyok S. Choi, 2004
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License version 2 as
   9  * published by the Free Software Foundation.
  10  */
  11 #ifndef __ASM_PROCINFO_H
  12 #define __ASM_PROCINFO_H
  13
  14 #ifndef __ASSEMBLY__
  15
  16 #ifdef CONFIG_MMU
  17 struct cpu_tlb_fns;
  18 struct cpu_user_fns;
  19 #endif
  20 struct cpu_cache_fns;
  21 struct processor;
  22
  23 /*
  24  * Note!  struct processor is always defined if we're
  25  * using MULTI_CPU, otherwise this entry is unused,
  26  * but still exists.
  27  *
  28  * NOTE! The following structure is defined by assembly
  29  * language, NOT C code.  For more information, check:
  30  *  arch/arm/mm/proc-*.S and arch/arm/kernel/head.S
  31  */
  32 struct proc_info_list {
  33         unsigned int            cpu_val;
  34         unsigned int            cpu_mask;
  35         unsigned long           __cpu_mm_mmu_flags;     /* used by head.S */
  36         unsigned long           __cpu_io_mmu_flags;     /* used by head.S */
  37         unsigned long           __cpu_flush;            /* used by head.S */
  38         const char              *arch_name;
  39         const char              *elf_name;
  40         unsigned int            elf_hwcap;
  41         const char              *cpu_name;
  42         struct processor        *proc;
  43         struct cpu_tlb_fns      *tlb;
  44         struct cpu_user_fns     *user;
  45         struct cpu_cache_fns    *cache;
  46 };
  47
  48 extern unsigned int elf_hwcap;
  49
  50 #endif  /* __ASSEMBLY__ */
  51
  52 #define HWCAP_SWP       1
  53 #define HWCAP_HALF      2
  54 #define HWCAP_THUMB     4
  55 #define HWCAP_26BIT     8       /* Play it safe */
  56 #define HWCAP_FAST_MULT 16
  57 #define HWCAP_FPA       32
  58 #define HWCAP_VFP       64
  59 #define HWCAP_EDSP      128
  60 #define HWCAP_JAVA      256
  61 #define HWCAP_IWMMXT    512
  62
  63 #endif