.global acpi_bsp_lapic_id .type acpi_bsp_lapic_id, @function acpi_bsp_lapic_id: push %rbp mov %rsp, %rbp push %rbx mov $0x00000001, %eax cpuid shrq $0x18, %rbx mov %rbx, %rax pop %rbx pop %rbp ret .global ap_trampoline .type ap_trampoline, @function .code16 ap_trampoline: mov $0xFF, %ax cli hlt