Load kernel CR3

2026-01-11 03:45:32 +01:00
parent 5bf10c1218
commit f80a26e5eb
4 changed files with 16 additions and 0 deletions
--- a/kernel/amd64/syscallentry.S
+++ b/kernel/amd64/syscallentry.S
@@ -23,6 +23,9 @@ amd64_syscall_entry:

  movq %rsp, %rdi

+  movq %cr3, %rax
+  pushq %rax
+
  movq %rsp, %rbp

  subq $8, %rsp
@@ -32,6 +35,9 @@ amd64_syscall_entry:

  movq %rbp, %rsp

+  popq %rax
+  movq %rax, %cr3
+
  pop_regs_skip_rax
  
  addq $56, %rsp