config/arch/sh.in
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 1269 17e37102a037
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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# Super-H specific configuration file
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# EXPERIMENTAL
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config ARCH_sh
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    select ARCH_SUPPORTS_BOTH_ENDIAN
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    select ARCH_DEFAULT_LE
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    help
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      The Super-H architecture, as defined by:
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        http://www.renesas.com/fmwk.jsp?cnt=superh_family_landing.jsp&fp=/products/mpumcu/superh_family/
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choice
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    bool
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    prompt "Variant"
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config ARCH_SH_SH3
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    bool
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    prompt "sh3"
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config ARCH_SH_SH4
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    bool
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    prompt "sh4"
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config ARCH_SH_SH4A
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    bool
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    prompt "sh4a"
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endchoice
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config ARCH_SH_VARIANT
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    string
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    default "sh3"   if ARCH_SH_SH3
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    default "sh4"   if ARCH_SH_SH4
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    default "sh4a"  if ARCH_SH_SH4A