stos/amd64: Impl phase 1 processor init

Signed-off-by: Chloe M. <chloe@mensia.org>

paw/stos/init/init.c

@@ -10,6 +10,7 @@
 #include <ke/stos.h>
 #include <ke/bpal.h>
 #include <hal/serial.h>
+#include <hal/kpcr.h>
 #include <drivers/bootvid/fbio.h>
 #include <mm/pmm.h>
 #include <stdef.h>
@@ -17,6 +18,9 @@
 #define DTRACE(Fmt, ...) \
     TRACE("[ INIT ]: " Fmt, ##__VA_ARGS__)
 
+/* Globals */
+static KPCR BootstrapCore;
+
 /*
  * Display a boot banner
  */
@@ -47,4 +51,7 @@ KiKernelEntry(VOID)
 
     /* Initialize physical memory */
     MmInitPmm();
+
+    /* Phase 1 initialization the bootstrap core */
+    HalKpcrP1Init(&BootstrapCore);
 }