From 5618dd683432272b42ed224f82d079a358e5edc4 Mon Sep 17 00:00:00 2001
From: pjht <terppa05@gmail.com>
Date: Sun, 24 Mar 2019 13:42:00 -0500
Subject: [PATCH] Fixed reboot problem

STACK GROWS DOWN, NOT UP!
---
 cpu/i386/paging.c  | 3 +++
 cpu/i386/tasking.c | 2 +-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/cpu/i386/paging.c b/cpu/i386/paging.c
index 782add0..1f0bd86 100644
--- a/cpu/i386/paging.c
+++ b/cpu/i386/paging.c
@@ -109,6 +109,9 @@ void* new_address_space() {
     smap[i+1022]=(entry_virt-0xC0000000)|0x3;
   }
   smap_page_tables[0]=(((uint32_t)&(page_directory))-0xC0000000)|0x3;
+  for (uint32_t i=1;i<2048;i++) {
+    smap_page_tables[i]=0;
+  }
   return dir;
 }
 
diff --git a/cpu/i386/tasking.c b/cpu/i386/tasking.c
index 3b1c861..8d10f57 100644
--- a/cpu/i386/tasking.c
+++ b/cpu/i386/tasking.c
@@ -42,7 +42,7 @@ static Task* createTaskKmode(void* eip,char kmode) {
     uint32_t cr3;
     asm volatile("movl %%cr3, %%eax; movl %%eax, %0;":"=m"(cr3)::"%eax");
     load_address_space(task->regs.cr3);
-    task->regs.esp=(uint32_t)alloc_memory(1);
+    task->regs.esp=((uint32_t)alloc_memory(1))+0xfff;
     load_address_space(cr3);
     task->regs.ebp=0;
     task->msg_store=NULL;