// SPDX-License-Identifier: GPL-2.0+
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/*
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* efi_selftest_gop
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*
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* Copyright (c) 2017 Heinrich Schuchardt <xypron.glpk@gmx.de>
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*
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* Test the graphical output protocol.
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*/
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#include <efi_selftest.h>
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static struct efi_boot_services *boottime;
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static efi_guid_t efi_gop_guid = EFI_GOP_GUID;
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static struct efi_gop *gop;
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/*
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* Setup unit test.
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*
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* @handle: handle of the loaded image
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* @systable: system table
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* @return: EFI_ST_SUCCESS for success
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*/
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static int setup(const efi_handle_t handle,
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const struct efi_system_table *systable)
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{
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efi_status_t ret;
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boottime = systable->boottime;
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ret = boottime->locate_protocol(&efi_gop_guid, NULL, (void **)&gop);
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if (ret != EFI_SUCCESS) {
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gop = NULL;
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efi_st_printf("Graphical output protocol is not available.\n");
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}
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return EFI_ST_SUCCESS;
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}
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/*
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* Tear down unit test.
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*
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* @return: EFI_ST_SUCCESS for success
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*/
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static int teardown(void)
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{
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return EFI_ST_SUCCESS;
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}
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/*
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* Execute unit test.
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*
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* @return: EFI_ST_SUCCESS for success
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*/
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static int execute(void)
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{
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efi_status_t ret;
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u32 i, max_mode;
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efi_uintn_t size;
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struct efi_gop_mode_info *info;
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if (!gop)
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return EFI_ST_SUCCESS;
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if (!gop->mode) {
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efi_st_error("EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE missing\n");
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return EFI_ST_FAILURE;
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}
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max_mode = gop->mode->max_mode;
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if (!max_mode) {
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efi_st_error("No graphical mode available\n");
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return EFI_ST_FAILURE;
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}
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efi_st_printf("Number of available modes: %u\n", max_mode);
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for (i = 0; i < max_mode; ++i) {
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ret = gop->query_mode(gop, i, &size, &info);
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if (ret != EFI_SUCCESS) {
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efi_st_printf("Could not query mode %u\n", i);
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return EFI_ST_FAILURE;
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}
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efi_st_printf("Mode %u: %u x %u\n",
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i, info->width, info->height);
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}
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return EFI_ST_SUCCESS;
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}
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EFI_UNIT_TEST(gop) = {
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.name = "graphical output",
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.phase = EFI_EXECUTE_BEFORE_BOOTTIME_EXIT,
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.setup = setup,
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.execute = execute,
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.teardown = teardown,
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};
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