From 18bf48b15c289e88cb65cdc758749e2735eac291 Mon Sep 17 00:00:00 2001 From: Marcin Nowakowski Date: Fri, 2 Dec 2016 10:49:09 +0100 Subject: mips: crashdump: add little-endian support Elf header for crashdump has until now been hardcoded as big-endian. Change that to use the native endianness for the compile target so that the crashdumps are generated properly for each CPU type. Signed-off-by: Marcin Nowakowski Signed-off-by: Simon Horman --- kexec/arch/mips/crashdump-mips.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/kexec/arch/mips/crashdump-mips.c b/kexec/arch/mips/crashdump-mips.c index e56b3ef..278ee01 100644 --- a/kexec/arch/mips/crashdump-mips.c +++ b/kexec/arch/mips/crashdump-mips.c @@ -288,9 +288,17 @@ static int cmdline_add_elfcorehdr(char *cmdline, unsigned long addr) return 0; } +#if __BYTE_ORDER == __LITTLE_ENDIAN +# define ELFDATALOCAL ELFDATA2LSB +#elif __BYTE_ORDER == __BIG_ENDIAN +# define ELFDATALOCAL ELFDATA2MSB +#else +# error Unknown byte order +#endif + static struct crash_elf_info elf_info64 = { class: ELFCLASS64, - data : ELFDATA2MSB, + data : ELFDATALOCAL, machine : EM_MIPS, page_offset : PAGE_OFFSET, lowmem_limit : MAXMEM, @@ -298,7 +306,7 @@ static struct crash_elf_info elf_info64 = { static struct crash_elf_info elf_info32 = { class: ELFCLASS32, - data : ELFDATA2MSB, + data : ELFDATALOCAL, machine : EM_MIPS, page_offset : PAGE_OFFSET, lowmem_limit : MAXMEM, -- cgit