split script in multiple files, reassembled through build.sh

src/libs/390_kernel_cmdline.sh

@@ -0,0 +1,16 @@
+# vim: set ts=4 sw=4 sts=4 et:
+get_cmdline() {
+    if [ -n "${g_kernel_cmdline:-}" ]; then
+        return
+    fi
+
+    if [ -n "${SMC_MOCK_CMDLINE:-}" ]; then
+        g_mocked=1
+        pr_debug "get_cmdline: using g_mocked cmdline '$SMC_MOCK_CMDLINE'"
+        g_kernel_cmdline="$SMC_MOCK_CMDLINE"
+        return
+    else
+        g_kernel_cmdline=$(cat "$g_procfs/cmdline")
+        g_mockme=$(printf "%b\n%b" "$g_mockme" "SMC_MOCK_CMDLINE='$g_kernel_cmdline'")
+    fi
+}