summaryrefslogtreecommitdiff
path: root/lib/efi_selftest/efi_selftest_gop.c
diff options
context:
space:
mode:
Diffstat (limited to 'lib/efi_selftest/efi_selftest_gop.c')
-rw-r--r--lib/efi_selftest/efi_selftest_gop.c95
1 files changed, 95 insertions, 0 deletions
diff --git a/lib/efi_selftest/efi_selftest_gop.c b/lib/efi_selftest/efi_selftest_gop.c
new file mode 100644
index 0000000000..2a0553b115
--- /dev/null
+++ b/lib/efi_selftest/efi_selftest_gop.c
@@ -0,0 +1,95 @@
+/*
+ * efi_selftest_gop
+ *
+ * Copyright (c) 2017 Heinrich Schuchardt <xypron.glpk@gmx.de>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ *
+ * Test the graphical output protocol.
+ */
+
+#include <efi_selftest.h>
+
+static struct efi_boot_services *boottime;
+static efi_guid_t efi_gop_guid = EFI_GOP_GUID;
+static struct efi_gop *gop;
+
+/*
+ * Setup unit test.
+ *
+ * @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;
+
+ ret = boottime->locate_protocol(&efi_gop_guid, NULL, (void **)&gop);
+ if (ret != EFI_SUCCESS) {
+ gop = NULL;
+ efi_st_printf("Graphical output protocol is not available.\n");
+ }
+
+ return EFI_ST_SUCCESS;
+}
+
+/*
+ * Tear down unit test.
+ *
+ * @return: EFI_ST_SUCCESS for success
+ */
+static int teardown(void)
+{
+ return EFI_ST_SUCCESS;
+}
+
+/*
+ * Execute unit test.
+ *
+ * @return: EFI_ST_SUCCESS for success
+ */
+static int execute(void)
+{
+ efi_status_t ret;
+ u32 i, max_mode;
+ efi_uintn_t size;
+ struct efi_gop_mode_info *info;
+
+ if (!gop)
+ return EFI_ST_SUCCESS;
+
+ if (!gop->mode) {
+ efi_st_error("EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE missing\n");
+ return EFI_ST_FAILURE;
+ }
+ max_mode = gop->mode->max_mode;
+ if (!max_mode) {
+ efi_st_error("No graphical mode available\n");
+ return EFI_ST_FAILURE;
+ }
+ efi_st_printf("Number of available modes: %u\n", max_mode);
+
+ for (i = 0; i < max_mode; ++i) {
+ ret = gop->query_mode(gop, i, &size, &info);
+ if (ret != EFI_SUCCESS) {
+ efi_st_printf("Could not query mode %u\n", i);
+ return EFI_ST_FAILURE;
+ }
+ efi_st_printf("Mode %u: %u x %u\n",
+ i, info->width, info->height);
+ }
+
+ return EFI_ST_SUCCESS;
+}
+
+EFI_UNIT_TEST(gop) = {
+ .name = "graphical output",
+ .phase = EFI_EXECUTE_BEFORE_BOOTTIME_EXIT,
+ .setup = setup,
+ .execute = execute,
+ .teardown = teardown,
+};