diff options
Diffstat (limited to 'asm/src')
-rw-r--r-- | asm/src/arch/x86_64/boot.asm | 18 | ||||
-rw-r--r-- | asm/src/arch/x86_64/grub.cfg | 7 | ||||
-rw-r--r-- | asm/src/arch/x86_64/linker.ld | 16 | ||||
-rw-r--r-- | asm/src/arch/x86_64/multiboot_header.asm | 15 |
4 files changed, 56 insertions, 0 deletions
diff --git a/asm/src/arch/x86_64/boot.asm b/asm/src/arch/x86_64/boot.asm new file mode 100644 index 0000000..0a5f650 --- /dev/null +++ b/asm/src/arch/x86_64/boot.asm @@ -0,0 +1,18 @@ +global start + +section .text +bits 32 +start: + ; print to the screen + mov dword [0xb8000], 0x2f632f49 + mov dword [0xb8004], 0x00202f68 + mov dword [0xb8008], 0x4f694f6c + mov dword [0xb800c], 0x4f624f65 + mov dword [0xb8010], 0x00204f65 + mov dword [0xb8014], 0x2f732f49 + mov dword [0xb8018], 0x00202f65 + mov dword [0xb801c], 0x00204f26 + mov dword [0xb8020], 0x2f612f4d + mov dword [0xb8024], 0x2f692f72 + mov dword [0xb8028], 0x2f732f75 + hlt diff --git a/asm/src/arch/x86_64/grub.cfg b/asm/src/arch/x86_64/grub.cfg new file mode 100644 index 0000000..03f4c4a --- /dev/null +++ b/asm/src/arch/x86_64/grub.cfg @@ -0,0 +1,7 @@ +set timeout=0 +set default=0 + +menuentry "VulkanOS" { + multiboot2 /boot/kernel.bin + boot +} diff --git a/asm/src/arch/x86_64/linker.ld b/asm/src/arch/x86_64/linker.ld new file mode 100644 index 0000000..5d788f1 --- /dev/null +++ b/asm/src/arch/x86_64/linker.ld @@ -0,0 +1,16 @@ +ENTRY(start) + +SECTIONS { + . = 1M; + + .boot : + { + /* ensure that the multiboot header is at the beginning */ + *(.multiboot_header) + } + + .text : + { + *(.text) + } +} diff --git a/asm/src/arch/x86_64/multiboot_header.asm b/asm/src/arch/x86_64/multiboot_header.asm new file mode 100644 index 0000000..9a9289c --- /dev/null +++ b/asm/src/arch/x86_64/multiboot_header.asm @@ -0,0 +1,15 @@ +section .multiboot_header +header_start: + dd 0xe85250d6 ; magic number (multiboot 2) + dd 0 ; architecture 0 (protected mode i386) + dd header_end - header_start ; header length + ; checksum + dd 0x100000000 - (0xe85250d6 + 0 + (header_end - header_start)) + + ; insert optional multiboot tags here + + ; required end tag + dw 0 ; type + dw 0 ; flags + dd 8 ; size +header_end: |