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Add stub multiboot headers

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This commit is contained in:
Alex 2023-05-08 05:16:16 +03:00
parent 404be92d43
commit e57195ef51
Signed by untrusted user who does not match committer: enderice2
GPG Key ID: EACC3AD603BAB4DD
3 changed files with 73 additions and 0 deletions
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7
Architecture/amd64/Bootstrap/Multiboot/1/Header.asm Normal file
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@ -0,0 +1,7 @@
section .multiboot
align 4
dd 0x1BADB002
dd 1 << 0 | 1 << 1
dd -(0x1BADB002 + (1 << 0 | 1 << 1))
; TODO

64
Architecture/amd64/Bootstrap/Multiboot/2/Header.asm Normal file
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@ -0,0 +1,64 @@
; https://www.gnu.org/software/grub/manual/multiboot2/multiboot.html
section .multiboot2
align 4096
HEADER_START:
dd 0xE85250D6
dd 0
dd (HEADER_END - HEADER_START)
dd 0x100000000 - (HEADER_END - HEADER_START) - 0 - 0xE85250D6
align 8
MB2_INFO_REQUEST_TAG_START:
dw 1
dw 0
dd MB2_INFO_REQUEST_TAG_END - MB2_INFO_REQUEST_TAG_START
dd 1 ; Command Line
dd 2 ; Boot Loader Name
dd 3 ; Module
dd 4 ; Basic Memory Information
dd 5 ; BIOS Boot Device
dd 6 ; Memory Map
dd 7 ; VBE
dd 8 ; Framebuffer
dd 9 ; ELF Sections
dd 10 ; APM Table
dd 11 ; EFI 32-bit System Table Pointer
dd 12 ; EFI 64-bit System Table Pointer
; dd 13 ; SMBIOS
dd 14 ; ACPI Old
dd 15 ; ACPI New
dd 16 ; Network
dd 17 ; EFI Memory Map
dd 18 ; EFI Boot Services Notifier
dd 19 ; EFI 32-bit Image Handle Pointer
dd 20 ; EFI 64-bit Image Handle Pointer
dd 21 ; Load Base Address
MB2_INFO_REQUEST_TAG_END:
align 8
MB2_FRAMEBUFFER_TAG_START:
dw 5
dw 1
dd MB2_FRAMEBUFFER_TAG_END - MB2_FRAMEBUFFER_TAG_START
dd 0
dd 0
dd 32
MB2_FRAMEBUFFER_TAG_END:
align 8
MB2_EGA_SUPPORT_TAG_START:
dw 4
dw 0
dd MB2_EGA_SUPPORT_TAG_END - MB2_EGA_SUPPORT_TAG_START
dd 1 ; https://www.gnu.org/software/grub/manual/multiboot2/html_node/Console-header-tags.html
MB2_EGA_SUPPORT_TAG_END:
align 8
MB2_MODULE_ALIGN_TAG_START:
dw 6
dw 0
dd MB2_MODULE_ALIGN_TAG_END - MB2_MODULE_ALIGN_TAG_START
MB2_MODULE_ALIGN_TAG_END:
align 8
MB2_TAG_START:
dw 0
dw 0
dd MB2_TAG_END - MB2_TAG_START
MB2_TAG_END:
HEADER_END:

2
Architecture/amd64/linker.ld
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@ -41,6 +41,8 @@ SECTIONS
_bootstrap_start = .; _bootstrap_start = .;
.bootstrap : .bootstrap :
{ {
*(.multiboot)
*(.multiboot2)
*(.bootstrap .bootstrap.*) *(.bootstrap .bootstrap.*)
} :bootstrap } :bootstrap
. += CONSTANT(MAXPAGESIZE); . += CONSTANT(MAXPAGESIZE);