[PATCH 1/2] RTEMS Source Builder changes for lpc32xx VFP support

[Sebastian Huber]

On 19/08/16 02:11, Kirspel, Kevin wrote:
>
> diff --git 
> a/source-builder/patches/gcc-6.1.1-arm-eabi-multilib-20160816.diff 
> b/source-builder/patches/gcc-6.1.1-arm-eabi-multilib-20160816.diff
>
> index e69de29..d2f0bfd 100755
>
> --- a/source-builder/patches/gcc-6.1.1-arm-eabi-multilib-20160816.diff
>
> +++ b/source-builder/patches/gcc-6.1.1-arm-eabi-multilib-20160816.diff
>
> @@ -0,0 +1,18 @@
>
> +diff -ruN gcc-6-20160609.orig/gcc/config/arm/t-rtems 
> gcc-6-20160609/gcc/config/arm/t-rtems
>
> +--- gcc-6-20160609.orig/gcc/config/arm/t-rtems 2016-01-15 
> 03:29:12.000000000 -0800
>
> ++++ gcc-6-20160609/gcc/config/arm/t-rtems    2016-08-16 
> 11:42:02.727219302 -0700
>
> +@@ -1,7 +1,7 @@
>
> + # Custom RTEMS multilibs for ARM
>
> +
>
> +-MULTILIB_OPTIONS  = mbig-endian mthumb 
> march=armv6-m/march=armv7-a/march=armv7-r/march=armv7-m/mcpu=cortex-m7 
> mfpu=neon/mfpu=vfpv3-d16/mfpu=fpv4-sp-d16/mfpu=fpv5-d16 mfloat-abi=hard
>
> +-MULTILIB_DIRNAMES = eb thumb armv6-m armv7-a armv7-r armv7-m 
> cortex-m7 neon vfpv3-d16 fpv4-sp-d16 fpv5-d16 hard
>
> ++MULTILIB_OPTIONS  = mbig-endian mthumb 
> march=armv6-m/march=armv7-a/march=armv7-r/march=armv7-m/mcpu=cortex-m7 
> mfpu=neon/mfpu=vfp/mfpu=vfpv3-d16/mfpu=fpv4-sp-d16/mfpu=fpv5-d16 
> mfloat-abi=hard/mfloat-abi=softfp
>
> ++MULTILIB_DIRNAMES = eb thumb armv6-m armv7-a armv7-r armv7-m 
> cortex-m7 neon vfp vfpv3-d16 fpv4-sp-d16 fpv5-d16 hard softfp
>
> +
>
> + # Enumeration of multilibs
>
> +
>
> +@@ -19,3 +19,4 @@
>
> + MULTILIB_REQUIRED += mthumb/mcpu=cortex-m7/mfpu=fpv5-d16/mfloat-abi=hard
>
> + MULTILIB_REQUIRED += mthumb/march=armv7-m
>
> + MULTILIB_REQUIRED += mthumb
>
> ++MULTILIB_REQUIRED += mfpu=vfp/mfloat-abi=softfp
>

Why do you want to use the softfp ABI?

-- 
Sebastian Huber, embedded brains GmbH

Address : Dornierstr. 4, D-82178 Puchheim, Germany
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