include/asm-arm/arch-ebsa110/uncompress.h

   1 /*
   2  *  linux/include/asm-arm/arch-ebsa110/uncompress.h
   3  *
   4  *  Copyright (C) 1996,1997,1998 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
  11 /*
  12  * This does not append a newline
  13  */
  14 static void puts(const char *s)
  15 {
  16         unsigned long tmp1, tmp2;
  17
  18         __asm__ __volatile__("                  \n\
  19         ldrb    %0, [%2], #1                    \n\
  20         teq     %0, #0                          \n\
  21         beq     3f                              \n\
  22 1:      strb    %0, [%3]                        \n\
  23 2:      ldrb    %1, [%3, #0x14]                 \n\
  24         and     %1, %1, #0x60                   \n\
  25         teq     %1, #0x60                       \n\
  26         bne     2b                              \n\
  27         teq     %0, #'\n'                       \n\
  28         moveq   %0, #'\r'                       \n\
  29         beq     1b                              \n\
  30         ldrb    %0, [%2], #1                    \n\
  31         teq     %0, #0                          \n\
  32         bne     1b                              \n\
  33 3:      ldrb    %1, [%3, #0x14]                 \n\
  34         and     %1, %1, #0x60                   \n\
  35         teq     %1, #0x60                       \n\
  36         bne     3b                              \n\
  37         "
  38          : "=&r" (tmp1), "=&r" (tmp2)
  39          : "r" (s), "r" (0xf0000be0) : "cc");
  40 }
  41
  42 /*
  43  * nothing to do
  44  */
  45 #define arch_decomp_setup()
  46 #define arch_decomp_wdog()