patches/newlib/1.18.0/100-fix-unaligned-access-memcpy-m68k.patch
author Esben Haabendal <esben.haabendal@prevas.dk>
Wed Sep 26 16:37:31 2012 +0200 (2012-09-26)
changeset 3066 43ace4bb005e
permissions -rw-r--r--
samples: add new m68k-unknown-uclinux-uclibc sample

Signed-off-by: "Esben Haabendal" <esben@haabendal.dk>
[yann.morin.1998@free.fr: upgrade to using gcc-4.7.2]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Message-Id: <87r4pod1hm.fsf@arh128.prevas.dk>
PatchWork-Id: 187182
     1 The m68k mcpu processor does not like unaligned access
     2 
     3 Disable at least mcpu32, m68010 and m68020. These processors certainly
     4 do not like unaligned accesses.
     5 
     6 Signed-off-by: Remy Bohmer <linux@bohmer.net>
     7 ---
     8  newlib/libc/machine/m68k/memcpy.S |    2 +-
     9  1 file changed, 1 insertion(+), 1 deletion(-)
    10 
    11 Index: newlib-1.18.0/newlib/libc/machine/m68k/memcpy.S
    12 ===================================================================
    13 --- newlib-1.18.0.orig/newlib/libc/machine/m68k/memcpy.S
    14 +++ newlib-1.18.0/newlib/libc/machine/m68k/memcpy.S
    15 @@ -15,7 +15,7 @@
    16  
    17  #include "m68kasm.h"
    18  
    19 -#if defined (__mcoldfire__) || defined (__mcpu32__) || defined (__mc68010__) || defined (__mc68020__) || defined (__mc68030__) || defined (__mc68040__) || defined (__mc68060__)
    20 +#if defined (__mcoldfire__) || defined (__mc68030__) || defined (__mc68040__) || defined (__mc68060__)
    21  # define MISALIGNED_OK 1
    22  #else
    23  # define MISALIGNED_OK 0