kernel: port sandbox components

init/main.c

@@ -1,23 +1,13 @@
 #include <stdint.h>
-#include <socks/libc/stdio.h>
 #include <socks/init.h>
-#include <socks/console.h>
+#include <socks/printk.h>
 #include <socks/machine/init.h>
-#include <socks/machine/cpu.h>
-
-static ml_cpu_block g_bootstrap_cpu = {0};
-
-void bootstrap_cpu_init(void)
-{
-	ml_cpu_block_init(&g_bootstrap_cpu);
-	ml_cpu_block_use(&g_bootstrap_cpu);
-}
 
 void kernel_init(uintptr_t arg)
 {
 	ml_init(arg);
 
 	for (int i = 0; i < 8; i++) {
-		printf("Line %d\n", i);
+		printk("Line %d\n", i);
 	}
 }