I downloaded the sources and built a grub executable. The code has many
references to ELF32 structures and, not surprisingly, I'm unable to load an OS
image whose format is x86_64.
The machine is running Linux 2.6.18-8.el5.
Grub version is 0.97
"uname -a" tells me that this is an x86_64 architecture.
Looking at the source code for "load_image" in stage2/boot.c I find code like:
/* ELF loading supported if multiboot, FreeBSD and NetBSD. */
if ((type == KERNEL_TYPE_MULTIBOOT
|| pu.elf->e_ident[EI_OSABI] == ELFOSABI_FREEBSD
|| grub_strcmp (pu.elf->e_ident + EI_BRAND, "FreeBSD") == 0
|| suggested_type == KERNEL_TYPE_NETBSD)
&& len > sizeof (Elf32_Ehdr)
&& BOOTABLE_I386_ELF ((*((Elf32_Ehdr *) buffer))))
{
Which tells me that this code is meant for i386 (32-bit).
What have I done wrong?
Did I download an old version of Grub not capable of handling x86_64 (64-bit)?
Or...
Did I "configure" it wrong? What am I missing?
Thanks,
Dov
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