From babed67df51df723d55c8151dd7109c7e2470bf4 Mon Sep 17 00:00:00 2001
From: Jeremy Soller <jackpot51@gmail.com>
Date: Wed, 17 Aug 2016 15:47:54 -0600
Subject: [PATCH] Map kernel in AP, WIP

---
 x86/startup-x86_64.asm | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/x86/startup-x86_64.asm b/x86/startup-x86_64.asm
index 8d27857193..1e4c57a2b7 100644
--- a/x86/startup-x86_64.asm
+++ b/x86/startup-x86_64.asm
@@ -1,7 +1,7 @@
 trampoline:
     .ready: dq 0
-    .page_table: dq 0
-    .stack: dq 0
+    .stack_start: dq 0
+    .stack_end: dq 0
     .code: dq 0
 
     times 512 - ($ - trampoline) db 0
@@ -128,10 +128,11 @@ long_mode_ap:
     mov gs, rax
     mov ss, rax
 
-    mov rax, [trampoline.page_table]
-    mov cr3, rax
 
-    mov rsp, [trampoline.stack]
+    mov rdi, [trampoline.stack_start]
+    mov rsi, [trampoline.stack_end]
+
+    lea rsp, [rsi - 16]
 
     mov qword [trampoline.ready], 1
     mov rax, [trampoline.code]