feat(kernel): hello world

boot/loader/loader.asm

@@ -211,7 +211,8 @@ common32:
 
 	; map 0xB8000 (vga) to 0xC03B0000
 	; 0xC03B0000 >> 12 & 0x3FF == 944
-	mov dword [boot_768_page_table + 944 * 16], 0xB8000 + 0x3
+	mov dword [boot_768_page_table + 944 * 4], 0xB8000 + 0x3
+
 	mov dword [boot_page_directory + (768 * 4)], boot_768_page_table + 0x3
 
 	mov eax, boot_page_directory
@@ -221,8 +222,8 @@ common32:
 	or eax, 0x80010000
 	mov cr0, eax
 
-	push boot_structure
-	push STPDBOOT_MAGIC
+	mov eax, STPDBOOT_MAGIC
+	mov ebx, boot_structure
 
 	mov eax, 0xC0000000
 	jmp eax

kernel/dev/vga_console.inc

@@ -0,0 +1,6 @@
+struc console
+{
+	.buffer db 80*25 dup (?)
+	.lineno db ?
+	.colno db ?
+}

kernel/kernel.asm

@@ -21,13 +21,15 @@ db 32 dup(0)
 	;;
 kmain:
 	xchg bx, bx
+	mov [0xC03B0000], dword 0x08690948
+	mov [0xC03B0004], dword 0x05690648
 	; TODO: interupt, vmm
 	cmp eax, STPDBOOT_MAGIC
 	jne .halt
 
-	KLOG_INIT
+	;KLOG_INIT
 
-	KLOG "kernel alive"
+	;KLOG "kernel alive"
 
 .halt:
 	hlt

kernel/klog.inc

@@ -1,5 +1,11 @@
+klog_print_date:
+	clc
+
+	ret
+
 macro KLOG_INIT {
 }
 
 macro KLOG msg {
+	out 0xe9, al
 }