LXR syslinux/core/configinit.inc

   1;; -----------------------------------------------------------------------
   2;;
   3;;   Copyright 1994-2008 H. Peter Anvin - All Rights Reserved
   4;;   Copyright 2009-2010 Intel Corporation; author: H. Peter Anvin
   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 as published by
   8;;   the Free Software Foundation, Inc., 53 Temple Place Ste 330,
   9;;   Boston MA 02111-1307, USA; either version 2 of the License, or
  10;;   (at your option) any later version; incorporated herein by reference.
  11;;
  12;; -----------------------------------------------------------------------
  13
  14;;
  15;; configinit.inc
  16;;
  17;; Initialize the configuration section
  18;;
  19
  20                section .text16
  21
  22reset_config:
  23                call highmemsize
  24
  25                ; Initialize the .config section
  26                xor eax,eax
  27                mov si,__config_lma
  28                mov di,__config_start
  29                mov cx,__config_dwords
  30                rep movsd
  31
  32%ifndef DEPEND
  33%if NULLFILE != 0
  34                mov al,NULLFILE
  35                mov di,FKeyName
  36                mov cx,MAX_FKEYS*(1 << FILENAME_MAX_LG2)
  37                rep stosb
  38%endif
  39%endif
  40
  41                mov di,KbdMap                   ; Default keymap 1:1
  42                xor al,al
  43                inc ch                          ; CX <- 256
  44mkkeymap:       stosb
  45                inc al
  46                loop mkkeymap
  47
  48                mov eax,[HighMemSize]
  49                mov [VKernelEnd],eax
  50
  51                ret
  52