Add initial kernel panic mechanism

xtoskrnl/CMakeLists.txt

@@ -23,6 +23,7 @@ list(APPEND XTOSKRNL_SOURCE
     ${XTOSKRNL_SOURCE_DIR}/ke/kprocess.c
     ${XTOSKRNL_SOURCE_DIR}/ke/krnlinit.c
     ${XTOSKRNL_SOURCE_DIR}/ke/kthread.c
+    ${XTOSKRNL_SOURCE_DIR}/ke/panic.c
     ${XTOSKRNL_SOURCE_DIR}/ke/semphore.c
     ${XTOSKRNL_SOURCE_DIR}/ke/spinlock.c
     ${XTOSKRNL_SOURCE_DIR}/ke/timer.c