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patches/uClibc/0.9.28.1/150-custom-ISA.patch
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 1 eeea35fbf182
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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diff -dur uClibc-0.9.28.orig/Rules.mak uClibc-0.9.28/Rules.mak
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--- uClibc-0.9.28.orig/Rules.mak	2005-08-18 00:49:49.000000000 +0200
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+++ uClibc-0.9.28/Rules.mak	2007-01-30 10:53:34.000000000 +0100
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@@ -168,6 +168,7 @@
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 	CPU_CFLAGS-$(CONFIG_MIPS_ISA_4)+=-mips4 -mtune=mips4
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 	CPU_CFLAGS-$(CONFIG_MIPS_ISA_MIPS32)+=-mips32 -mtune=mips32
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 	CPU_CFLAGS-$(CONFIG_MIPS_ISA_MIPS64)+=-mips64 -mtune=mips32
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+	CPU_CFLAGS-$(CONFIG_MIPS_ISA_CUSTOM)+=-march=$(CONFIG_MIPS_CPU_CFLAGS_CUSTOM)
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 endif
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 ifeq ($(strip $(TARGET_ARCH)),sh)
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diff -dur uClibc-0.9.28.orig/extra/Configs/Config.mips uClibc-0.9.28/extra/Configs/Config.mips
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--- uClibc-0.9.28.orig/extra/Configs/Config.mips	2005-08-18 00:49:41.000000000 +0200
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+++ uClibc-0.9.28/extra/Configs/Config.mips	2007-01-30 10:52:12.000000000 +0100
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@@ -63,4 +63,16 @@
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 config CONFIG_MIPS_ISA_MIPS64
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 	bool "MIPS64"
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+config CONFIG_MIPS_ISA_CUSTOM
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+	bool "Custom"
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+
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 endchoice
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+
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+config CONFIG_MIPS_CPU_CFLAGS_CUSTOM
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+	string
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+	prompt "Custon ISA"
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+	depends on CONFIG_MIPS_ISA_CUSTOM
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+	default ""
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+	help
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+	  Enter your custom ISA here (eg: lx4189!).
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+
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