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(+)

Original patch from gentoo: gentoo/src/patchsets/gcc/4.3.0/gentoo/66_all_gcc43-pr25343.patch

http://gcc.gnu.org/PR25343

sniped from Debian

2008-04-27  Roman Zippel <zippel@linux-m68k.org>

	* config/host-linux.c (TRY_EMPTY_VM_SPACE): Define for __mc68000__.

diff -durN gcc-4.3.0.orig/gcc/config/host-linux.c gcc-4.3.0/gcc/config/host-linux.c

--- gcc-4.3.0.orig/gcc/config/host-linux.c	2007-08-02 12:49:31.000000000 +0200

+++ gcc-4.3.0/gcc/config/host-linux.c	2008-06-10 14:45:20.000000000 +0200

@@ -84,6 +84,8 @@

 # define TRY_EMPTY_VM_SPACE	0x8000000000

 #elif defined(__sparc__)

 # define TRY_EMPTY_VM_SPACE	0x60000000

+#elif defined(__mc68000__)

+# define TRY_EMPTY_VM_SPACE	0x40000000

 #else

 # define TRY_EMPTY_VM_SPACE	0

 #endif