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(+)

 Sometime around 2.4.22-23, the mips pt_regs.h fields were reordered, breaking

 coredump handling by gdb for current kernels.  Update the hardcoded constants

 to reflect the change.

 --- gdb-6.2.1/gdb/mips-linux-tdep.c-orig	2004-10-29 14:23:55.000000000 -0500

 +++ gdb-6.2.1/gdb/mips-linux-tdep.c	2004-10-29 14:26:44.000000000 -0500

 @@ -53,12 +53,22 @@

  #define EF_REG0			6

  #define EF_REG31		37

 +

 +#if 0

  #define EF_LO			38

  #define EF_HI			39

  #define EF_CP0_EPC		40

  #define EF_CP0_BADVADDR		41

  #define EF_CP0_STATUS		42

  #define EF_CP0_CAUSE		43

 +#else

 +#define EF_CP0_STATUS		38

 +#define EF_LO			39

 +#define EF_HI			40

 +#define EF_CP0_BADVADDR		41

 +#define EF_CP0_CAUSE		42

 +#define EF_CP0_EPC		43

 +#endif

  #define EF_SIZE			180