arch/arm/tools/getconstants.c

   1 /*
   2  *  linux/arch/arm/tools/getconsdata.c
   3  *
   4  *  Copyright (C) 1995-2001 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 <linux/config.h>
  11 #include <linux/sched.h>
  12 #include <linux/mm.h>
  13
  14 #include <asm/pgtable.h>
  15 #include <asm/uaccess.h>
  16
  17 /*
  18  * Make sure that the compiler and target are compatible.
  19  */
  20 #if defined(__APCS_32__) && defined(CONFIG_CPU_26)
  21 #error Your compiler targets APCS-32 but this kernel requires APCS-26
  22 #endif
  23 #if defined(__APCS_26__) && defined(CONFIG_CPU_32)
  24 #error Your compiler targets APCS-26 but this kernel requires APCS-32
  25 #endif
  26
  27 #define OFF_TSK(n) (unsigned long)&(((struct task_struct *)0)->n)
  28
  29 #define DEFN(name,off) asm("\n#define "name" %0" :: "I" (off))
  30
  31 void func(void)
  32 {
  33 DEFN("TSK_SIGPENDING",          OFF_TSK(sigpending));
  34 DEFN("TSK_ADDR_LIMIT",          OFF_TSK(addr_limit));
  35 DEFN("TSK_NEED_RESCHED",        OFF_TSK(need_resched));
  36 DEFN("TSK_PTRACE",              OFF_TSK(ptrace));
  37 DEFN("TSK_USED_MATH",           OFF_TSK(used_math));
  38
  39 DEFN("TSS_SAVE",                OFF_TSK(thread.save));
  40 DEFN("TSS_FPESAVE",             OFF_TSK(thread.fpstate.soft.save));
  41
  42 #ifdef CONFIG_CPU_32
  43 DEFN("TSS_DOMAIN",              OFF_TSK(thread.domain));
  44
  45 DEFN("HPTE_TYPE_SMALL",         PTE_TYPE_SMALL);
  46 DEFN("HPTE_AP_READ",            PTE_AP_READ);
  47 DEFN("HPTE_AP_WRITE",           PTE_AP_WRITE);
  48
  49 DEFN("LPTE_PRESENT",            L_PTE_PRESENT);
  50 DEFN("LPTE_YOUNG",              L_PTE_YOUNG);
  51 DEFN("LPTE_BUFFERABLE",         L_PTE_BUFFERABLE);
  52 DEFN("LPTE_CACHEABLE",          L_PTE_CACHEABLE);
  53 DEFN("LPTE_USER",               L_PTE_USER);
  54 DEFN("LPTE_WRITE",              L_PTE_WRITE);
  55 DEFN("LPTE_EXEC",               L_PTE_EXEC);
  56 DEFN("LPTE_DIRTY",              L_PTE_DIRTY);
  57 #endif
  58
  59 #ifdef CONFIG_CPU_26
  60 DEFN("PAGE_PRESENT",            _PAGE_PRESENT);
  61 DEFN("PAGE_READONLY",           _PAGE_READONLY);
  62 DEFN("PAGE_NOT_USER",           _PAGE_NOT_USER);
  63 DEFN("PAGE_OLD",                _PAGE_OLD);
  64 DEFN("PAGE_CLEAN",              _PAGE_CLEAN);
  65 #endif
  66
  67 DEFN("PAGE_SZ",                 PAGE_SIZE);
  68
  69 DEFN("SYS_ERROR0",              0x9f0000);
  70 }