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| author | Kartik Agaram <vc@akkartik.com> | 2020-01-01 18:22:19 -0800 |
|---|---|---|
| committer | Kartik Agaram <vc@akkartik.com> | 2020-01-01 18:42:48 -0800 |
| commit | 65409d2312e702a48d3cf5b32479d25266bda3c3 (patch) | |
| tree | 62a7262fce61f2302109246da4536ce6f8e9ef80 /kernel.soso/boot.asm | |
| parent | a6da50ad30d2e1825575ffef497ab450a8f26e94 (diff) | |
| download | mu-65409d2312e702a48d3cf5b32479d25266bda3c3.tar.gz | |
5858
Move script to create a Soso boot image into a sub-directory. I'm trying to streamline newcomer attention to just a couple of use cases.
Diffstat (limited to 'kernel.soso/boot.asm')
| -rw-r--r-- | kernel.soso/boot.asm | 51 |
1 files changed, 0 insertions, 51 deletions
diff --git a/kernel.soso/boot.asm b/kernel.soso/boot.asm deleted file mode 100644 index 773dd0f3..00000000 --- a/kernel.soso/boot.asm +++ /dev/null @@ -1,51 +0,0 @@ -MBOOT_PAGE_ALIGN equ 1<<0 -MBOOT_MEM_INFO equ 1<<1 -MBOOT_USE_GFX equ 1<<2 -MBOOT_HEADER_MAGIC equ 0x1BADB002 -MBOOT_HEADER_FLAGS equ MBOOT_PAGE_ALIGN | MBOOT_MEM_INFO | MBOOT_USE_GFX -MBOOT_CHECKSUM equ -(MBOOT_HEADER_MAGIC + MBOOT_HEADER_FLAGS) - - -[BITS 32] - - -section .multiboot -align 4 - dd MBOOT_HEADER_MAGIC - dd MBOOT_HEADER_FLAGS - dd MBOOT_CHECKSUM - dd 0x00000000 ; header_addr - dd 0x00000000 ; load_addr - dd 0x00000000 ; load_end_addr - dd 0x00000000 ; bss_end_addr - dd 0x00000000 ; entry_addr - ; Graphics requests - dd 0x00000000 ; 0 = linear graphics - dd 1024 - dd 768 - dd 32 - -section .bss -align 16 -stack_bottom: -resb 16384 ; 16 KiB -stack_top: - -[GLOBAL _start] ; this is the entry point. we tell linker script to set start address of kernel elf file. -[EXTERN kmain] - -section .text - -_start: - mov esp, stack_top - - ; push multiboot parameter to kmain() - push ebx - - ; ...and run! - cli - call kmain - - ;never reach here - cli - hlt |