target/linux/coldfire/patches/065-mcfv4e_bss_clear_move.patch

   1 From 87ea76988875856dc1c3657b27ac792d2f0311e9 Mon Sep 17 00:00:00 2001
   2 From: Kurt Mahan <kmahan@freescale.com>
   3 Date: Tue, 24 Jun 2008 22:12:17 -0600
   4 Subject: [PATCH] Move BSS initialization after mmu setup.
   5
   6 LTIBName: mcfv4e-bss-clear-move
   7 Signed-off-by: Kurt Mahan <kmahan@freescale.com>
   8 ---
   9  arch/m68k/coldfire/head.S |   19 +++++++++----------
  10  1 files changed, 9 insertions(+), 10 deletions(-)
  11
  12 --- a/arch/m68k/coldfire/head.S
  13 +++ b/arch/m68k/coldfire/head.S
  14 @@ -326,16 +326,6 @@ ENTRY(__start)
  15         movec   %d0, %acr3
  16         nop
  17
  18 -#ifdef CONFIG_COLDFIRE
  19 -/* zero bss */
  20 -       lea     _sbss,%a0
  21 -       lea     _ebss,%a1
  22 -       clrl    %d0
  23 -_loop_bss:
  24 -       movel   %d0,(%a0)+
  25 -       cmpl    %a0,%a1
  26 -       bne     _loop_bss
  27 -#endif
  28         /* If you change the memory size to another value make a matching
  29            change in paging_init(cf-mmu.c) to zones_size[]. */
  30
  31 @@ -564,6 +554,15 @@ ENTRY(__running_high)
  32         addl    #PAGE_OFFSET,%a1
  33         movel   %a1,%a0@
  34
  35 +/* zero bss */
  36 +       lea     _sbss,%a0
  37 +       lea     _ebss,%a1
  38 +       clrl    %d0
  39 +_loop_bss:
  40 +       movel   %d0,(%a0)+
  41 +       cmpl    %a0,%a1
  42 +       bne     _loop_bss
  43 +
  44         /* Unmap unity mappings */
  45  #if CONFIG_SDRAM_BASE != PAGE_OFFSET
  46  #if defined(CONFIG_M5445X)