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| author | Robin Krahl <robin.krahl@ireas.org> | 2017-03-05 21:43:19 +0100 |
|---|---|---|
| committer | Robin Krahl <robin.krahl@ireas.org> | 2017-03-05 21:43:19 +0100 |
| commit | d42b629d983de336ddd3c22782caa2791ab78897 (patch) | |
| tree | ac3a3052c154ca88803df5754eb6c8459e246b2f /arch/x86_64/loader.s | |
| download | garmos-d42b629d983de336ddd3c22782caa2791ab78897.tar.gz garmos-d42b629d983de336ddd3c22782caa2791ab78897.tar.bz2 | |
initial commit
Diffstat (limited to 'arch/x86_64/loader.s')
| -rw-r--r-- | arch/x86_64/loader.s | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/x86_64/loader.s b/arch/x86_64/loader.s new file mode 100644 index 0000000..b283a64 --- /dev/null +++ b/arch/x86_64/loader.s @@ -0,0 +1,27 @@ +.set MAGIC, 0x1badb002 +.set FLAGS, (1<<0 | 1<<1) +.set CHECKSUM, -(MAGIC + FLAGS) + +.section .multiboot + .long MAGIC + .long FLAGS + .long CHECKSUM + +.section .text +.extern kernel_main +.global loader + +loader: + mov $kernel_stack, %esp + push %eax + push %ebx + call kernel_main + +_stop: + cli + hlt + jmp _stop + +.section .bss +.space 2*1024*1024 # 2 MiB +kernel_stack: |