Lncvrt/grub
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Vladimir 'phcoder' Serbinenko committed 2010-01-14 19:14:24 +01:00
1 parent 4a04699258
commit 865a0f8aa7
3 files changed
+95 -1
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loader/i386/multiboot_mbi.c
+31 -1
View File
@@ -46,6 +46,9 @@ static unsigned modcnt;
static char *cmdline = NULL;
static grub_uint32_t bootdev;
static int bootdev_set;
static grub_size_t elf_sec_num, elf_sec_entsize;
static unsigned elf_sec_shstrndx;
static void *elf_sections;
/* Return the length of the Multiboot mmap that will be needed to allocate
our platform's map. */
@@ -73,7 +76,8 @@ grub_multiboot_get_mbi_size (void)
{
return sizeof (struct multiboot_info) + ALIGN_UP (cmdline_size, 4)
+ modcnt * sizeof (struct multiboot_mod_list) + total_modcmd
+ ALIGN_UP (sizeof(PACKAGE_STRING), 4) + grub_get_multiboot_mmap_len ();
+ ALIGN_UP (sizeof(PACKAGE_STRING), 4) + grub_get_multiboot_mmap_len ()
+ elf_sec_entsize * elf_sec_num;
}
/* Fill previously allocated Multiboot mmap. */
@@ -192,9 +196,30 @@ grub_multiboot_make_mbi (grub_uint32_t *target)
mbi->flags |= MULTIBOOT_INFO_BOOTDEV;
}
if (elf_sec_num)
{
mbi->u.elf_sec.addr = ptrdest;
grub_memcpy (ptrorig, elf_sections, elf_sec_entsize * elf_sec_num);
mbi->u.elf_sec.num = elf_sec_num;
mbi->u.elf_sec.size = elf_sec_entsize;
mbi->u.elf_sec.shndx = elf_sec_shstrndx;
mbi->flags |= MULTIBOOT_INFO_ELF_SHDR;
}
return GRUB_ERR_NONE;
}
void
grub_multiboot_add_elfsyms (grub_size_t num, grub_size_t entsize,
unsigned shndx, void *data)
{
elf_sec_num = num;
elf_sec_shstrndx = shndx;
elf_sec_entsize = entsize;
elf_sections = data;
}
void
grub_multiboot_free_mbi (void)
{
@@ -215,6 +240,11 @@ grub_multiboot_free_mbi (void)
}
modules = NULL;
modules_last = NULL;
grub_free (elf_sections);
elf_sections = NULL;
elf_sec_entsize = 0;
elf_sec_num = 0;
}
grub_err_t