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| author | Aleksa Vuckovic <aleksav013@gmail.com> | 2022-09-08 14:37:47 +0200 |
|---|---|---|
| committer | Aleksa Vuckovic <aleksav013@gmail.com> | 2022-09-08 14:38:29 +0200 |
| commit | 82e9f02aef1ea1a6588234ee58e3625e3561005f (patch) | |
| tree | 80214489336fa2cc1c615bd63b133934832a5ba4 /kernel/src/mem/paging_asm.S | |
| parent | 1effe3b9ac0bb1a819f6ae5ebb8438e60b77f9a2 (diff) | |
higher half in x86_64
kernel is now located at -2GB
heap blocks are aligned on block size
paging will allocate new page tables on heap
Diffstat (limited to 'kernel/src/mem/paging_asm.S')
| -rw-r--r-- | kernel/src/mem/paging_asm.S | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/src/mem/paging_asm.S b/kernel/src/mem/paging_asm.S index c7e11f3..e7c7814 100644 --- a/kernel/src/mem/paging_asm.S +++ b/kernel/src/mem/paging_asm.S @@ -1,6 +1,6 @@ .section .text -.set KERNEL_VMA, 0xc0000000 +.set KERNEL_VMA, 0xffffffff80000000 .global load_pt_lvl4 load_pt_lvl4: @@ -8,7 +8,7 @@ load_pt_lvl4: mov %rsp, %rbp push %r12 - mov $KERNEL_VMA, %r12 + movabs $KERNEL_VMA, %r12 sub %r12, %rdi mov %rdi, %cr3 pop %r12 |