fixing up paging issues

kernel/linker.ld

@@ -1,30 +1,35 @@
 ENTRY(_start)
 
+KERNEL_VMA = 0xC0000000;
+KERNEL_LMA = 0x00200000;
+
 SECTIONS
 {
-	. = 0xC0100000;
+    . = KERNEL_VMA + KERNEL_LMA;
 	__kernel_start = .;
+    .text : AT(ADDR(.text) - KERNEL_VMA)
+    {
+        *(.multiboot)
+        *(.text*)
+    }
 
-	.text BLOCK(4K) : ALIGN(4K)
-	{
-		*(.multiboot)
-		*(.text)
-	}
+    .rodata : AT(ADDR(.rodata) - KERNEL_VMA)
+    {
+        *(.rodata*)
+    }
 
-	.rodata BLOCK(4K) : ALIGN(4K)
-	{
-		*(.rodata)
-	}
+    .data : AT(ADDR(.data) - KERNEL_VMA)
+    {
+        *(.data*)
+    }
 
-	.data BLOCK(4K) : ALIGN(4K)
-	{
-		*(.data)
-	}
+    .bss : AT(ADDR(.bss) - KERNEL_VMA)
+    {
+        __bss_start = .;
+        *(.bss*)
+        *(COMMON)
+        __bss_end = .;
+    }
 
-	.bss BLOCK(4K) : ALIGN(4K)
-	{
-		*(COMMON)
-		*(.bss)
-	}
-	__kernel_end = .;
+    __kernel_end = .;
 }