Adding upstream version 1:10.0.2+ds.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

roms/u-boot/lib/efi_selftest/efi_selftest_exitbootservices.c

@@ -0,0 +1,88 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * efi_selftest_exitbootservices
+ *
+ * Copyright (c) 2017 Heinrich Schuchardt <xypron.glpk@gmx.de>
+ *
+ * This unit test checks that the notification function of an
+ * EVT_SIGNAL_EXIT_BOOT_SERVICES event is called exactly once.
+ */
+
+#include <efi_selftest.h>
+
+static struct efi_boot_services *boottime;
+static struct efi_event *event_notify;
+static unsigned int notification_count;
+
+/*
+ * Notification function, increments the notification count.
+ *
+ * @event	notified event
+ * @context	pointer to the notification count
+ */
+static void EFIAPI notify(struct efi_event *event, void *context)
+{
+	unsigned int *count = context;
+
+	++*count;
+}
+
+/*
+ * Setup unit test.
+ *
+ * Create an EVT_SIGNAL_EXIT_BOOT_SERVICES event.
+ *
+ * @handle:	handle of the loaded image
+ * @systable:	system table
+ * @return:	EFI_ST_SUCCESS for success
+ */
+static int setup(const efi_handle_t handle,
+		 const struct efi_system_table *systable)
+{
+	efi_status_t ret;
+
+	boottime = systable->boottime;
+
+	notification_count = 0;
+	ret = boottime->create_event(EVT_SIGNAL_EXIT_BOOT_SERVICES,
+				     TPL_CALLBACK, notify,
+				     (void *)&notification_count,
+				     &event_notify);
+	if (ret != EFI_SUCCESS) {
+		efi_st_error("could not create event\n");
+		return EFI_ST_FAILURE;
+	}
+	return EFI_ST_SUCCESS;
+}
+
+/*
+ * Execute unit test.
+ *
+ * Check that the notification function of the EVT_SIGNAL_EXIT_BOOT_SERVICES
+ * event has been called.
+ *
+ * Call ExitBootServices again and check that the notification function is
+ * not called again.
+ *
+ * @return:	EFI_ST_SUCCESS for success
+ */
+static int execute(void)
+{
+	if (notification_count != 1) {
+		efi_st_error("ExitBootServices was not notified\n");
+		return EFI_ST_FAILURE;
+	}
+	efi_st_exit_boot_services();
+	if (notification_count != 1) {
+		efi_st_error("ExitBootServices was notified twice\n");
+		return EFI_ST_FAILURE;
+	}
+	return EFI_ST_SUCCESS;
+}
+
+EFI_UNIT_TEST(exitbootservices) = {
+	.name = "ExitBootServices",
+	.phase = EFI_SETUP_BEFORE_BOOTTIME_EXIT,
+	.setup = setup,
+	.execute = execute,
+};