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27c524d174In order to fetch the correct entry point with the ISA bit included, for use by non-ELF boot loaders, parse the output of `objdump -f' for the start address recorded in the kernel executable itself, rather than using `nm' to get the value of the `kernel_entry' symbol. Sign-extend the address retrieved if 32-bit, so that execution is correctly started on 64-bit processors as well. The tool always prints the entry point using either 8 or 16 hexadecimal digits, matching the address width (aka class) of the ELF file, even in the presence of leading zeros. Signed-off-by: Maciej W. Rozycki <macro@mips.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Paul Burton <paul.burton@mips.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/18912/ Signed-off-by: James Hogan <jhogan@kernel.org>
574 lines
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574 lines
20 KiB