From c2f48fb5df0981df1df23de2b277274f9fe75080 Mon Sep 17 00:00:00 2001
From: Benji Dial <benji@benjidial.net>
Date: Mon, 8 Jan 2024 22:28:41 -0500
Subject: first commit

---
 kernel/paging.asm | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 kernel/paging.asm

(limited to 'kernel/paging.asm')

diff --git a/kernel/paging.asm b/kernel/paging.asm
new file mode 100644
index 0000000..f1047a9
--- /dev/null
+++ b/kernel/paging.asm
@@ -0,0 +1,16 @@
+bits 64
+
+;see also ../documentation/memory.txt
+
+global switch_to_kernel_p4
+
+;from paging.cpp:
+extern __kernel_p4_paddr
+
+section .text
+
+switch_to_kernel_p4:
+  mov rax, qword [__kernel_p4_paddr]
+  mov cr3, rax
+  mov rsp, 0xfffffffffffff000
+  jmp rdi
-- 
cgit v1.2.3