diff options
Diffstat (limited to 'arch/x86_64/src/boot')
| -rw-r--r-- | arch/x86_64/src/boot/boot.s | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/arch/x86_64/src/boot/boot.s b/arch/x86_64/src/boot/boot.s index 2aa30c6..710d4ce 100644 --- a/arch/x86_64/src/boot/boot.s +++ b/arch/x86_64/src/boot/boot.s @@ -82,6 +82,7 @@ global_descriptor_table_pointer: * We are going to print some messages in case we panic during boot, so we are * going to store them here as well */ +.global message_prefix_panic message_prefix_panic: .string "TeachOS Panic: " message_not_loaded_by_multiboot2: @@ -109,6 +110,12 @@ vga_buffer_pointer: .long 0xb8000 .align 16 .code32 +.global halt +halt: +1: + hlt + jmp 1b + /** * Print a given panic message and then halt the machine. * @@ -129,7 +136,7 @@ _panic: call _print add $8, %esp - hlt + call halt /** * Print a message via the VGA buffer. @@ -189,7 +196,7 @@ _start: lgdt (global_descriptor_table_pointer) jmp $global_descriptor_table_code,$_transition_to_long_mode - hlt + call halt /** * Assert that the CPU supports going into long mode. @@ -354,4 +361,4 @@ _transition_to_long_mode: call _init call kernel_main - hlt + call halt |