Minor changes

kernel/include/kernel.h

@@ -98,7 +98,7 @@ extern uint32_t __kernel_stack_top, __kernel_stack_bottom;
 #define pr_wrn(_s)	printk("[warning] %s\n", (_s))
 #define pr_err(_s)	printk("[error] %s\n", (_s))
 #define panic(_s)	do {\
-		printk("[panic] %s\n", (_s));\
+		printk("[kernel] Panic! %s\n", (_s));\
 		while (1) __asm__ volatile ("cli; hlt");\
 	} while (0)
 #define BUG()		panic("BUG()")

kernel/linker.ld

@@ -5,7 +5,7 @@ ENTRY(_start)
 /* Define sections */
 SECTIONS {
 	. = 0x00100000;
-	kernel_start = .;
+	__kernel_start = .;
 
 	.boot ALIGN(4K) : {
 		*(.multiboot)
@@ -31,5 +31,5 @@ SECTIONS {
 		*(.bss)
 	}
 
-	kernel_end = .;
+	__kernel_end = .;
 }

kernel/src/kernel.c

@@ -16,9 +16,6 @@ void kmain(void* ptr, uint32_t magic) {
 	if (serial_init(COM1) != 0) panic("Failed to initialize Serial driver.");
 	debugf("\x1b[H\x1b[J\x1b[0mkern. \x1b[36m(serial console)\x1b[0m\n\n");
 
-	// VGA tty thingy
-	if (tty_init() != 0) panic("Failed to initalize TTY driver.");
-	tty_puts("kern.\n\n");
 
 	// System init
 	if (gdt_init() != 0) panic("Failed to initalize GDT.");
@@ -29,7 +26,11 @@ void kmain(void* ptr, uint32_t magic) {
 	if (pmm_init() != 0) panic("Failed to initalize Physical Memory Manager.");
 	if (vmm_init() != 0) panic("Failed to initalize Virtual Memory Manager.");
 
-	debugf("Basic initialization complete!\n");
+	// VGA TTY
+	if (tty_init() != 0) panic("Failed to initalize TTY driver.");
+	tty_puts("kern.\n\n");
+
+	debugf("[kernel] Basic initialization complete!\n");
 	
 	panic("kmain() reached end.");
 }

kernel/src/pmm.c

@@ -65,6 +65,7 @@ int pmm_init(void) {
 
 	bmap_setarea(&pmm_bitmap, bitmapStartPhys, pmm_bitmap.bytes, 1);
 	bmap_setarea(&pmm_bitmap, pageFrameStart, ptcount * PAGE_SIZE, 1);
+
 	bmap_set(&pmm_bitmap, 0, 1); // Reserve block 0 - NULL page
 
 	// Beatifull print statement :)

kernel/src/vmm.c

@@ -16,13 +16,10 @@ int vmm_init(void) {
 	vmm_bitmap.bytes = dceil(vmm_bitmap.blocks, 8);
 	uint32_t bitmaploc = 0xC6000000;
 
-	debugf("%d blocks in %d bytes\n", vmm_bitmap.blocks, vmm_bitmap.bytes);
 	size_t pagecount = dceil(vmm_bitmap.bytes, PAGE_SIZE);
 	for (size_t i = 0; i < pagecount; i++) {
 		void* fr = pmm_allocPage();
-		debugf("Allocating page %d/%d...\n", i+1, pagecount);
 		if (fr == NULL) return 1;
-		debugf("Mapping page at 0x%08x to 0x%08x\n", fr, bitmaploc + i * PAGE_SIZE);
 		pag_mapPage(bitmaploc + i * PAGE_SIZE, (uint32_t)fr, 0);
 	}