Let main print more useful things, like bootloader info

kernel/src/entry-stivale2.c

@@ -24,5 +24,6 @@ struct stivale2_header header2 = {
 };
 
 void stivale2_main(struct stivale2_struct *info) {
-	kmain();
+	char *argv[3] = {"stivale2", info->bootloader_brand, info->bootloader_version};
+    kmain(3, argv);
 }

kernel/src/main.c

@@ -1,7 +1,11 @@
 #include "vga.h"
 
-void kmain() {
+void kmain(int argc, char **argv) {
-	vga_puts("hello!");
+	vga_puts("Kernel initialized!\n");
-	vga_putc('h');
+	vga_puts("Bootloader information:\t");
+	for(int i = 0; i < argc; i++) {
+		vga_puts(argv[i]);
+		vga_putc('\t');
+	}
 	asm volatile ("hlt");
 }

kernel/src/main.h

@@ -1 +1 @@
-void kmain();
+void kmain(int argc, char** argv);