push

kernel/boot/longmode.asm

@@ -4,7 +4,6 @@
 
 ; Pointer to Long Mode Global Descriptor Table (GDT, arch/gdt.cc)
 [EXTERN gdt_long_mode_pointer]
-
 [GLOBAL long_mode]
 long_mode:
 
@@ -247,7 +246,6 @@ long_mode_start:
 
 	; Call high-level (C++) kernel initialization function
 	call kernel_init
-
 	; Print `STOP` to screen and stop
 	mov rax, 0x2f502f4f2f544f53
 	mov qword [0xb8000], rax

kernel/boot/startup.cc

@@ -8,7 +8,7 @@
 #include "../compiler/libc.h"
 #include "../debug/output.h"
 #include "../interrupt/handlers.h"
-
+#include "../memory/pageframealloc.h"
 extern "C" [[noreturn]] void kernel_init() {
 	// Setup and load Interrupt Description Table (IDT)
 	initInterruptHandlers();
@@ -16,7 +16,9 @@ extern "C" [[noreturn]] void kernel_init() {
 	// Initialize PICs
 	PIC::initialize();
 
-    // Call global constructors
+  PageFrameAllocator::init(); 
+
+  // Call global constructors
 	CSU::initializer();
 
     //Select 5th Segment in GDT. 5<<3 == 0x28