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2008-08-12 Robert Millan <rmh@aybabtu.com>

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* loader/i386/pc/multiboot.c (grub_multiboot_load_elf32): Move part
        of the relocation code from here ...
        (grub_multiboot): ... to here.
        (forward_relocator, backward_relocator): Move from here ...
        * kern/i386/loader.S (grub_multiboot_forward_relocator)
        (grub_multiboot_backward_relocator): ... to here.
        (grub_multiboot_real_boot): Use %edx for entry offset.  Put Multiboot
        magic in %eax.  Use %ebp for jumping (so %edx is not trashed).
        * include/grub/i386/loader.h (grub_multiboot_forward_relocator)
        (grub_multiboot_forward_relocator_end)
        (grub_multiboot_backward_relocator)
        (grub_multiboot_backward_relocator_end): New variables.
This commit is contained in:
robertmh 2008-08-12 15:40:26 +00:00
parent 05f9452b12
commit 371458b576
4 changed files with 113 additions and 56 deletions
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7
include/grub/i386/loader.h
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@ -53,4 +53,11 @@ extern grub_uint32_t EXPORT_VAR(grub_multiboot_payload_entry_offset);
void grub_rescue_cmd_linux (int argc, char *argv[]);
void grub_rescue_cmd_initrd (int argc, char *argv[]);
extern grub_uint8_t EXPORT_VAR(grub_multiboot_forward_relocator);
extern grub_uint8_t EXPORT_VAR(grub_multiboot_forward_relocator_end);
extern grub_uint8_t EXPORT_VAR(grub_multiboot_backward_relocator);
extern grub_uint8_t EXPORT_VAR(grub_multiboot_backward_relocator_end);
#define RELOCATOR_SIZEOF(x) (&grub_multiboot_##x##_relocator_end - &grub_multiboot_##x##_relocator)
#endif /* ! GRUB_LOADER_CPU_HEADER */