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patches/glibc/ports-2.10.1/590-sh-set-fpscr-proto.patch
author Michael Hope <michael.hope@linaro.org>
Wed Sep 28 15:29:11 2011 +1300 (2011-09-28)
changeset 2696 5f7c6eed805d
permissions -rw-r--r--
binutils/binutils: added 2.21.53 snapshot

binutils 2.21 doesn't recognise the Cortex-M3 SVC instruction when
assembling with -mcpu=all. This was fixed by the 2.21.53 snapshot and
is needed to build RTOSs such as FreeRTOS.

Signed-off-by: Michael Hope <michael.hope@linaro.org> 
     1 

     2 

     3 diff -durN glibc-2.10.1.orig/sysdeps/sh/sh4/fpu/fpu_control.h glibc-2.10.1/sysdeps/sh/sh4/fpu/fpu_control.h

     4 --- glibc-2.10.1.orig/sysdeps/sh/sh4/fpu/fpu_control.h	2001-07-06 06:56:04.000000000 +0200

     5 +++ glibc-2.10.1/sysdeps/sh/sh4/fpu/fpu_control.h	2009-11-13 00:51:26.000000000 +0100

     6 @@ -45,6 +45,7 @@

     7  #define _FPU_GETCW(cw) __asm__ ("sts fpscr,%0" : "=r" (cw))

     8  

     9  #if defined __GNUC__

    10 +extern void __set_fpscr(unsigned long);

    11  #define _FPU_SETCW(cw) __set_fpscr ((cw))

    12  #else

    13  #define _FPU_SETCW(cw) __asm__ ("lds %0,fpscr" : : "r" (cw))
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