Start to code memPrint

1 files changed, 27 insertions, 5 deletions

diff --git a/kernel/main.cpp b/kernel/main.cpp
index c958ac0..9cd9875 100644
--- a/kernel/main.cpp
+++ b/kernel/main.cpp
@@ -7,10 +7,20 @@
 int  main(){
 
     //Test print a char
-	char* letter=(char*)0xB8A00;
+	/*char* letter=(char*)0xB8A00;
 	*letter='H';
 	letter++;
-	*letter=(GREEN << 4) | BLUE;
+	*letter=(GREEN << 4) | BLUE;*/
+
+    memPrint VideoRam;
+
+
+    VideoRam.print("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa");
+    VideoRam.print("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa");
+    VideoRam.print("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa");
+    VideoRam.print("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa");
+    VideoRam.print("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa");
+    VideoRam.print("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa");
 
     //Infinite loop
 	while(1);
@@ -29,9 +39,21 @@ extern "C" void _boot(){
     Gdt gdt;
 
     //Load Gdt into memory
-    //gdt.loadGdt();
-
-    //Call main function
+    gdt.loadGdt();
+
+    //Init all segments and stack
+    __asm__("\
+        movw $0x10, %ax; \n \
+        movw %ax, %ds; \n \
+        movw %ax, %es \n \
+        ljmp $0x08, $updateDS;\
+        updateDS: \n\
+        movw $0x18, %ax \n \
+        movw %ax, %ss \n \
+        movl $0x00B00000, %esp \n\
+    ");
+
+    //Call main function after stack pointer changing (due to C++ optimisation)
     main();
 }