diff options
Diffstat (limited to 'kernel/arch/x86_64/asm/boot.s')
| -rw-r--r-- | kernel/arch/x86_64/asm/boot.s | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/kernel/arch/x86_64/asm/boot.s b/kernel/arch/x86_64/asm/boot.s new file mode 100644 index 0000000..973373b --- /dev/null +++ b/kernel/arch/x86_64/asm/boot.s @@ -0,0 +1,31 @@ +/* + * Copyright (C) 2025 Danny Holman <dholman@gymli.org> + * + * This file is part of BoxOS, a free and open-source Unix-like operating + * system. + * + * BoxOS is free software; you can redistribute it and/or modify under the + * terms of the GNU General Public License as published by the Free Software + * Foundation; either version 2 of the License, or (at your option) any later + * version. + * + * BoxOS is distributed in the hope it will be useful, but WITHOUT ANY WARRANTY; + * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A + * PARTICULAR PURPOSE. See the GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along with + * BoxOS; if not, see <https://www.gnu.org/licenses/>. + */ + +.section .text + +.global _start +_start: + rdseed %rax + movq %rax, (__stack_chk_guard) + + cld + call kernel_main + +1: hlt + jmp 1b |