patches/gcc/4.3.0/150-sparc64-bsd.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 746 b150d6f590fc
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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Original patch from gentoo: gentoo/src/patchsets/gcc/4.3.0/gentoo/14_all_gcc-sparc64-bsd.patch
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diff -durN gcc-4.3.0.orig/gcc/config/sparc/freebsd.h gcc-4.3.0/gcc/config/sparc/freebsd.h
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--- gcc-4.3.0.orig/gcc/config/sparc/freebsd.h	2007-08-02 12:49:31.000000000 +0200
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+++ gcc-4.3.0/gcc/config/sparc/freebsd.h	2008-06-10 14:44:26.000000000 +0200
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@@ -25,9 +25,22 @@
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 /* FreeBSD needs the platform name (sparc64) defined.
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    Emacs needs to know if the arch is 64 or 32-bits.  */
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-#undef  CPP_CPU64_DEFAULT_SPEC
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-#define CPP_CPU64_DEFAULT_SPEC \
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-  "-D__sparc64__ -D__sparc_v9__ -D__sparcv9 -D__arch64__"
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+#undef  FBSD_TARGET_CPU_CPP_BUILTINS
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+#define FBSD_TARGET_CPU_CPP_BUILTINS()                  \
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+  do                                                    \
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+    {                                                   \
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+      if (TARGET_ARCH64)                                \
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+        {                                               \
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+          builtin_define ("__sparc64__");               \
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+          builtin_define ("__sparc_v9__");              \
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+          builtin_define ("__sparcv9");                 \
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+        }                                               \
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+      else                                              \
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+        builtin_define ("__sparc");                     \
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+      builtin_define ("__sparc__");                     \
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+    }                                                   \
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+  while (0)
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+
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 #define LINK_SPEC "%(link_arch)						\
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   %{!mno-relax:%{!r:-relax}}						\