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Making the Multiboot structure a bit shorter to conserve line length

This commit is contained in:
Jarkko Toivanen 2023-08-01 21:23:14 +03:00
parent 208d05b139
commit 1034574d1e
Signed by: jt
GPG Key ID: 9151B109B73ECAD5
1 changed files with 11 additions and 11 deletions
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22
src/start32.asm
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@ -2,19 +2,19 @@ format binary
use32
org 0x100000
MULTIBOOT_HEADER_MAGIC equ 0x1BADB002
MULTIBOOT_PAGE_ALIGN equ (1 shl 0)
MULTIBOOT_MEMORY_INFO equ (1 shl 1)
MULTIBOOT_VIDEO_REQUEST equ (1 shl 2)
MULTIBOOT_AOUT_KLUDGE equ (1 shl 16)
MULTIBOOT_HEADER_FLAGS equ MULTIBOOT_PAGE_ALIGN or MULTIBOOT_MEMORY_INFO or MULTIBOOT_VIDEO_REQUEST
MULTIBOOT_HEADER_FLAGS equ MULTIBOOT_PAGE_ALIGN or MULTIBOOT_MEMORY_INFO or MULTIBOOT_VIDEO_REQUEST or MULTIBOOT_AOUT_KLUDGE
MULTIBOOT_CHECKSUM equ -(MULTIBOOT_HEADER_MAGIC + MULTIBOOT_HEADER_FLAGS)
MB_HEADER_MAGIC equ 0x1BADB002
MB_PAGE_ALIGN equ (1 shl 0)
MB_MEMORY_INFO equ (1 shl 1)
MB_VIDEO_REQUEST equ (1 shl 2)
MB_AOUT_KLUDGE equ (1 shl 16)
MB_HEADER_FLAGS equ MB_PAGE_ALIGN or MB_MEMORY_INFO or MB_VIDEO_REQUEST
MB_HEADER_FLAGS equ MB_PAGE_ALIGN or MB_MEMORY_INFO or MB_VIDEO_REQUEST or MB_AOUT_KLUDGE
MB_CHECKSUM equ -(MB_HEADER_MAGIC + MB_HEADER_FLAGS)
multiboot:
dd MULTIBOOT_HEADER_MAGIC
dd MULTIBOOT_HEADER_FLAGS
dd MULTIBOOT_CHECKSUM
dd MB_HEADER_MAGIC
dd MB_HEADER_FLAGS
dd MB_CHECKSUM
dd multiboot ; header address
dd 0x100000 ; load address
dd bss ; load end address