scripts/build/arch/arm.sh
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Tue Oct 14 17:42:10 2008 +0000 (2008-10-14)
changeset 929 7c958fb04f28
parent 898 fe3eda71a9d0
child 964 0535f7bf1069
permissions -rw-r--r--
Sample config for e500v2 toolchain

On Tuesday 14 October 2008 17:05:31 Nate Case wrote:
> This is a sample config file for Freescale e500v2 processors (e.g.,
> MPC8548, MPC8572). It uses eglibc (for e500/SPE patches) and a recent
> gcc (4.3.1, for e500v2 DPFP support) and will generate appropriate
> dual-precision floating point instructions by default.
>
> Note: If building a Linux kernel with this toolchain, you will want to
> make sure -mno-spe AND -mspe=no are passed to gcc to prevent SPE
> ABI/instructions from getting into the kernel (which is currently
> unsupported). At this time, the kernel build system only passes
> -mno-spe by default (this should be fixed soon hopefully).
>
> A binutils snapshot is used to fix a bug present in 2.18 preventing
> U-Boot from being compiled (CodeSourcery issue #2297: internal.h
> (ELF_IS_SECTION_IN_SEGMENT): Adjust to cope with segments at the end of
> memory).

Obsoletes the powerpc-unknown-linux-gnuspe sample, so remove it.

/trunk/samples/powerpc-e500v2-linux-gnuspe/crosstool.config | 307 307 0 0 +++++++++++++++++++
1 file changed, 307 insertions(+)
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# Compute ARM-specific values
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CT_DoArchValues() {
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    # The architecture part of the tuple:
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    CT_TARGET_ARCH="${CT_ARCH}${target_endian_eb}"
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    # The system part of the tuple:
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    case "${CT_LIBC},${CT_ARCH_ARM_EABI}" in
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        *glibc,y)   CT_TARGET_SYS=gnueabi;;
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        uClibc,y)   CT_TARGET_SYS=uclibcgnueabi;;
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        none,y)     CT_TARGET_SYS=eabi;;
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    esac
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    # In case we're EABI, do *not* specify any ABI!
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    # which means, either we do not have an ABI specified, or we're not EABI.
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    CT_TestOrAbort "Internal error: CT_ARCH_ABI should not be set for EABI build." -z "${CT_ARCH_ABI}" -o -z "${CT_ARCH_ARM_EABI}"
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}