.section .text .set KERNEL_VMA, 0xffffffff80000000 .global load_pt_lvl4 load_pt_lvl4: push %rbp mov %rsp, %rbp push %r12 movabs $KERNEL_VMA, %r12 sub %r12, %rdi mov %rdi, %cr3 pop %r12 mov %rbp, %rsp pop %rbp ret