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| author | Felix Morgner <felix.morgner@ost.ch> | 2025-07-22 21:23:23 +0000 |
|---|---|---|
| committer | Felix Morgner <felix.morgner@ost.ch> | 2025-07-22 21:23:23 +0000 |
| commit | c8cb4346064c69ab8431aa0d3c287e2fad60ce80 (patch) | |
| tree | e3677c3728a6a78e7560b732726505695849ebf2 /arch/x86_64/src/boot/entry64.s | |
| parent | ce8683e63fc9ef59e1800927afb1753507a42ef6 (diff) | |
| download | teachos-c8cb4346064c69ab8431aa0d3c287e2fad60ce80.tar.xz teachos-c8cb4346064c69ab8431aa0d3c287e2fad60ce80.zip | |
x86_64: split bootstrap code along mode lines
Diffstat (limited to 'arch/x86_64/src/boot/entry64.s')
| -rw-r--r-- | arch/x86_64/src/boot/entry64.s | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/x86_64/src/boot/entry64.s b/arch/x86_64/src/boot/entry64.s new file mode 100644 index 0000000..f575c50 --- /dev/null +++ b/arch/x86_64/src/boot/entry64.s @@ -0,0 +1,21 @@ +.section .boot_text, "ax", @progbits +.code64 + +.global _entry64 +_entry64: + mov $global_descriptor_table_data, %rax + mov %rax, %ss + mov %rax, %ds + mov %rax, %es + mov %rax, %fs + mov %rax, %gs + + xor %rax, %rax + + call _init + + call main + +1: + hlt + jmp 1b |