kernel: x86_64: add machine init function called by kernel_init

arch/x86_64/include/socks/machine/init.h

@@ -3,6 +3,6 @@
 
 #include <stdint.h>
 
-extern int machine_init(uintptr_t arg);
+extern int ml_init(uintptr_t arg);
 
 #endif

arch/x86_64/init.c

@@ -0,0 +1,15 @@
+#include <socks/machine/cpu.h>
+
+static ml_cpu_block g_bootstrap_cpu = {0};
+
+static void bootstrap_cpu_init(void)
+{
+	ml_cpu_block_init(&g_bootstrap_cpu);
+	ml_cpu_block_use(&g_bootstrap_cpu);
+}
+
+int ml_init(uintptr_t arg)
+{
+	bootstrap_cpu_init();
+	return 0;
+}