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- // SPDX-License-Identifier: GPL-2.0+
- /*
- * efi_selftest_gop
- *
- * Copyright (c) 2017 Heinrich Schuchardt <xypron.glpk@gmx.de>
- *
- * Test the graphical output protocol.
- */
- #include <efi_selftest.h>
- static struct efi_boot_services *boottime;
- static efi_guid_t efi_gop_guid = EFI_GRAPHICS_OUTPUT_PROTOCOL_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);
- ret = boottime->free_pool(info);
- if (ret != EFI_SUCCESS) {
- efi_st_printf("FreePool failed");
- return EFI_ST_FAILURE;
- }
- }
- return EFI_ST_SUCCESS;
- }
- EFI_UNIT_TEST(gop) = {
- .name = "graphical output",
- .phase = EFI_EXECUTE_BEFORE_BOOTTIME_EXIT,
- .setup = setup,
- .execute = execute,
- .teardown = teardown,
- };
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