diff options
Diffstat (limited to 'arch/x86_64/src/boot')
| -rw-r--r-- | arch/x86_64/src/boot/boot.s | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/arch/x86_64/src/boot/boot.s b/arch/x86_64/src/boot/boot.s index f04ae44..c1b3203 100644 --- a/arch/x86_64/src/boot/boot.s +++ b/arch/x86_64/src/boot/boot.s @@ -271,11 +271,6 @@ enable_paging: mov $page_map_level_4, %eax mov %eax, %cr3 - /* Map the P4 table recursively */ - mov $page_map_level_4, %eax - or 0b11, %eax /* Write present + writable flags into eax register */ - mov %eax, (page_map_level_4 + 511 * 8) - /* Enable Physical Address Extension */ mov %cr4, %eax or $(1 << 5), %eax @@ -317,6 +312,11 @@ enable_sse: * page map entries. */ prepare_page_maps: + /* Map the P4 table recursively */ + mov $page_map_level_4, %eax + or $0b11, %eax /* Write present + writable flags into eax register */ + mov %eax, (page_map_level_4 + 511 * 8) + /* Add an entry to the PML4, pointing to the PML3 */ mov $page_map_level_3, %eax or $0x3, %eax |