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| author | natrixaeria <upezu@student.kit.edu> | 2019-10-25 04:04:58 +0200 |
|---|---|---|
| committer | natrixaeria <upezu@student.kit.edu> | 2019-10-25 04:04:58 +0200 |
| commit | 93490e27ad5b924f191fbf15f09d79354e37ca73 (patch) | |
| tree | 38677edf21e783b97ed72920807f2f5a1ec6497b /kernel/src/long_mode_init.asm | |
| parent | c8c64b5367f8b0f4db73d8963f7faff3c0cc4362 (diff) | |
| parent | 92ad44ce3af9b000146d324e5c0f5dfce16927f9 (diff) | |
Merge branch 'master' of dennis:/var/repos/uff-os
Diffstat (limited to 'kernel/src/long_mode_init.asm')
| -rw-r--r-- | kernel/src/long_mode_init.asm | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/kernel/src/long_mode_init.asm b/kernel/src/long_mode_init.asm new file mode 100644 index 0000000..f105388 --- /dev/null +++ b/kernel/src/long_mode_init.asm @@ -0,0 +1,17 @@ +global long_mode_start + +section .text +bits 64 +long_mode_start: + ; load 0 into all data segment registers + mov ax, 0 + mov ss, ax + mov ds, ax + mov es, ax + mov fs, ax + mov gs, ax + + ; print `Uff!` to screen + mov rax, 0x8521846683668255 + mov qword [0xb8000], rax + hlt |