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multiboot2: Add tags used to pass ImageHandle to loaded image

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Add tags used to pass ImageHandle to loaded image if requested.
It is used by at least ExitBootServices() function.

Signed-off-by: Daniel Kiper <daniel.kiper@oracle.com>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Reviewed-by: Vladimir Serbinenko <phcoder@gmail.com>
This commit is contained in:
Daniel Kiper 2014-11-20 00:09:54 +01:00
parent 9862b24121
commit ba89c19f49
2 changed files with 51 additions and 7 deletions
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42
grub-core/loader/multiboot_mbi2.c
View file

@ -172,6 +172,8 @@ grub_multiboot_load (grub_file_t file, const char *filename)
case MULTIBOOT_TAG_TYPE_NETWORK:
case MULTIBOOT_TAG_TYPE_EFI_MMAP:
case MULTIBOOT_TAG_TYPE_EFI_BS:
case MULTIBOOT_TAG_TYPE_EFI32_IH:
case MULTIBOOT_TAG_TYPE_EFI64_IH:
break;
default:
@ -407,13 +409,15 @@ grub_multiboot_get_mbi_size (void)
+ grub_get_multiboot_mmap_count ()
* sizeof (struct multiboot_mmap_entry)), MULTIBOOT_TAG_ALIGN)
+ ALIGN_UP (sizeof (struct multiboot_tag_framebuffer), MULTIBOOT_TAG_ALIGN)
+ ALIGN_UP (sizeof (struct multiboot_tag_efi32), MULTIBOOT_TAG_ALIGN)
+ ALIGN_UP (sizeof (struct multiboot_tag_efi64), MULTIBOOT_TAG_ALIGN)
+ ALIGN_UP (sizeof (struct multiboot_tag_old_acpi)
+ sizeof (struct grub_acpi_rsdp_v10), MULTIBOOT_TAG_ALIGN)
+ acpiv2_size ()
+ net_size ()
#ifdef GRUB_MACHINE_EFI
+ ALIGN_UP (sizeof (struct multiboot_tag_efi32), MULTIBOOT_TAG_ALIGN)
+ ALIGN_UP (sizeof (struct multiboot_tag_efi32_ih), MULTIBOOT_TAG_ALIGN)
+ ALIGN_UP (sizeof (struct multiboot_tag_efi64), MULTIBOOT_TAG_ALIGN)
+ ALIGN_UP (sizeof (struct multiboot_tag_efi64_ih), MULTIBOOT_TAG_ALIGN)
+ ALIGN_UP (sizeof (struct multiboot_tag_efi_mmap)
+ efi_mmap_size, MULTIBOOT_TAG_ALIGN)
#endif
@ -907,11 +911,35 @@ grub_multiboot_make_mbi (grub_uint32_t *target)
if (keep_bs)
{
struct multiboot_tag *tag = (struct multiboot_tag *) ptrorig;
tag->type = MULTIBOOT_TAG_TYPE_EFI_BS;
tag->size = sizeof (struct multiboot_tag);
ptrorig += ALIGN_UP (tag->size, MULTIBOOT_TAG_ALIGN)
/ sizeof (grub_properly_aligned_t);
{
struct multiboot_tag *tag = (struct multiboot_tag *) ptrorig;
tag->type = MULTIBOOT_TAG_TYPE_EFI_BS;
tag->size = sizeof (struct multiboot_tag);
ptrorig += ALIGN_UP (tag->size, MULTIBOOT_TAG_ALIGN)
/ sizeof (grub_properly_aligned_t);
}
#ifdef __i386__
{
struct multiboot_tag_efi32_ih *tag = (struct multiboot_tag_efi32_ih *) ptrorig;
tag->type = MULTIBOOT_TAG_TYPE_EFI32_IH;
tag->size = sizeof (struct multiboot_tag_efi32_ih);
tag->pointer = (grub_addr_t) grub_efi_image_handle;
ptrorig += ALIGN_UP (tag->size, MULTIBOOT_TAG_ALIGN)
/ sizeof (grub_properly_aligned_t);
}
#endif
#ifdef __x86_64__
{
struct multiboot_tag_efi64_ih *tag = (struct multiboot_tag_efi64_ih *) ptrorig;
tag->type = MULTIBOOT_TAG_TYPE_EFI64_IH;
tag->size = sizeof (struct multiboot_tag_efi64_ih);
tag->pointer = (grub_addr_t) grub_efi_image_handle;
ptrorig += ALIGN_UP (tag->size, MULTIBOOT_TAG_ALIGN)
/ sizeof (grub_properly_aligned_t);
}
#endif
}
#endif

16
include/multiboot2.h
View file

@ -60,6 +60,8 @@
#define MULTIBOOT_TAG_TYPE_NETWORK 16
#define MULTIBOOT_TAG_TYPE_EFI_MMAP 17
#define MULTIBOOT_TAG_TYPE_EFI_BS 18
#define MULTIBOOT_TAG_TYPE_EFI32_IH 19
#define MULTIBOOT_TAG_TYPE_EFI64_IH 20
#define MULTIBOOT_HEADER_TAG_END 0
#define MULTIBOOT_HEADER_TAG_INFORMATION_REQUEST 1
@ -371,6 +373,20 @@ struct multiboot_tag_efi_mmap
multiboot_uint8_t efi_mmap[0];
};
struct multiboot_tag_efi32_ih
{
multiboot_uint32_t type;
multiboot_uint32_t size;
multiboot_uint32_t pointer;
};
struct multiboot_tag_efi64_ih
{
multiboot_uint32_t type;
multiboot_uint32_t size;
multiboot_uint64_t pointer;
};
#endif /* ! ASM_FILE */
#endif /* ! MULTIBOOT_HEADER */