scripts/build/arch/x86.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 x86-specific values
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# This one really need a little love! :-(
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CT_DoArchValues() {
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    # The architecture part of the tuple:
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    arch="${CT_ARCH_ARCH}"
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    [ -z "${arch}" ] && arch="${CT_ARCH_TUNE}"
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    case "${arch}" in
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        nocona|athlon*64|k8|athlon-fx|opteron)
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            CT_DoError "Architecture is x86 (32-bit) but selected processor is \"${arch}\" (64-bit)";;
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        "")                           CT_TARGET_ARCH=i386;;
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        i386|i486|i586|i686)          CT_TARGET_ARCH="${arch}";;
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        winchip*)                     CT_TARGET_ARCH=i486;;
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        pentium|pentium-mmx|c3*)      CT_TARGET_ARCH=i586;;
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        pentiumpro|pentium*|athlon*)  CT_TARGET_ARCH=i686;;
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        *)                            CT_TARGET_ARCH=i586;;
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    esac
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    # The kernel ARCH:
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    CT_KERNEL_ARCH=i386
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}