arch/tile: support building big-endian kernel

The toolchain supports big-endian mode now, so add support for building
the kernel to run big-endian as well.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/arch/tile/include/asm/elf.h b/arch/tile/include/asm/elf.h
index 623a6bb741c1..d16d006d660e 100644
--- a/arch/tile/include/asm/elf.h
+++ b/arch/tile/include/asm/elf.h
@@ -44,7 +44,11 @@ typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG];
 #else
 #define ELF_CLASS       ELFCLASS32
 #endif
+#ifdef __BIG_ENDIAN__
+#define ELF_DATA        ELFDATA2MSB
+#else
 #define ELF_DATA        ELFDATA2LSB
+#endif
 
 /*
  * There seems to be a bug in how compat_binfmt_elf.c works: it
@@ -59,6 +63,7 @@ enum { ELF_ARCH = CHIP_ELF_TYPE() };
  */
 #define elf_check_arch(x)  \
         ((x)->e_ident[EI_CLASS] == ELF_CLASS && \
+         (x)->e_ident[EI_DATA] == ELF_DATA && \
          (x)->e_machine == CHIP_ELF_TYPE())
 
 /* The module loader only handles a few relocation types. */