[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[bug #39488] multiboot2 failed to load 64-bit ELF image
|
From: |
Leon Drugi |
|
Subject: |
[bug #39488] multiboot2 failed to load 64-bit ELF image |
|
Date: |
Wed, 17 Jul 2013 04:08:06 +0000 |
|
User-agent: |
Mozilla/5.0 (X11; Linux i686) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/27.0.1453.110 Safari/537.36 |
Follow-up Comment #4, bug #39488 (project grub):
Hello,
Move down from virtual to physical is properly done when calculate
grub_multiboot_payload_eip few lines below. If e_entry would be physical (as
current implementation GRUB2 assumes for everything else than MIPS) then the
substraction physical address (e_entry) from virtual (p_vaddr) has no sense.
The only one sense is when e_entry is also virtual (besides ELF specification
explicity describes that). So e_entry must be virtual.
I do not know why currently only for MIPS this assumption is done, but from
ELF specification point of view e_entry is always virtual.
grub_multiboot_payload_eip = (ehdr->e_entry - phdr(i)->p_vaddr)
+ phdr(i)->p_paddr;
Best Regards
Leon
_______________________________________________________
Reply to this item at:
<http://savannah.gnu.org/bugs/?39488>
_______________________________________________
Message sent via/by Savannah
http://savannah.gnu.org/