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fix entry pointer for ELF kernels loaded with -kernel option 

Find a hopefully proper patch attached. Take it or leave it.

Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Henning Schild <henning@hennsch.de>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
This commit is contained in:
Henning Schild 2012-09-05 14:56:39 +02:00 committed by Aurelien Jarno
parent 6e4c0d1f03
commit 7e9c7ffe9f
1 changed files with 11 additions and 0 deletions
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11
hw/elf_ops.h
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@ -269,6 +269,17 @@ static int glue(load_elf, SZ)(const char *name, int fd,
addr = ph->p_paddr;
}
/* the entry pointer in the ELF header is a virtual
* address, if the text segments paddr and vaddr differ
* we need to adjust the entry */
if (pentry && !translate_fn &&
ph->p_vaddr != ph->p_paddr &&
ehdr.e_entry >= ph->p_vaddr &&
ehdr.e_entry < ph->p_vaddr + ph->p_filesz &&
ph->p_flags & PF_X) {
*pentry = ehdr.e_entry - ph->p_vaddr + ph->p_paddr;
}
snprintf(label, sizeof(label), "phdr #%d: %s", i, name);
rom_add_blob_fixed(label, data, mem_size, addr);