diff options
Diffstat (limited to 'arch/i386/boot/boot.s')
| -rw-r--r-- | arch/i386/boot/boot.s | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/i386/boot/boot.s b/arch/i386/boot/boot.s index 4a6ddd1..48f9f29 100644 --- a/arch/i386/boot/boot.s +++ b/arch/i386/boot/boot.s @@ -76,6 +76,33 @@ _start: 1: hlt jmp 1b +.global load_page_dir +.type load_page_dir, @function +load_page_dir: + pushl %ebp + movl %esp, %ebp + + movl 8(%ebp), %eax + movl %eax, %cr3 + + movl %ebp, %esp + popl %ebp + ret + +.global enable_paging +.type enable_paging, @function +enable_paging: + pushl %ebp + movl %esp, %ebp + + movl %cr0, %eax + orl $0x80000001, %eax + movl %eax, %cr0 + + movl %ebp, %esp + popl %ebp + ret + .global flush_gdt .type flush_gdt, @function flush_gdt: |