From b1a912a8a6ff472a49b2e0a09cfd433adfc2cb24 Mon Sep 17 00:00:00 2001
From: Benji Dial <benji@benjidial.net>
Date: Sat, 18 May 2024 21:53:38 -0400
Subject: reorganization, cross compiler

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

(limited to 'kernel/source/paging.asm')

diff --git a/kernel/source/paging.asm b/kernel/source/paging.asm
new file mode 100644
index 0000000..f1047a9
--- /dev/null
+++ b/kernel/source/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
-- 
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