lib/efi_selftest/efi_selftest_textoutput.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * efi_selftest_textoutput
   4  *
   5  * Copyright (c) 2017 Heinrich Schuchardt <xypron.glpk@gmx.de>
   6  *
   7  * Test the EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.
   8  *
   9  * The following services are tested:
  10  * OutputString, TestString, SetAttribute.
  11  */
  12
  13 #include <efi_selftest.h>
  14
  15 /*
  16  * Execute unit test.
  17  *
  18  * @return:     EFI_ST_SUCCESS for success
  19  */
  20 static int execute(void)
  21 {
  22         size_t foreground;
  23         size_t background;
  24         size_t attrib;
  25         efi_status_t ret;
  26
  27         /* SetAttribute */
  28         efi_st_printf("\nColor palette\n");
  29         for (foreground = 0; foreground < 0x10; ++foreground) {
  30                 for (background = 0; background < 0x80; background += 0x10) {
  31                         attrib = foreground | background;
  32                         con_out->set_attribute(con_out, attrib);
  33                         efi_st_printf("%p", (void *)attrib);
  34                 }
  35                 con_out->set_attribute(con_out, 0);
  36                 efi_st_printf("\n");
  37         }
  38         /* TestString */
  39         ret = con_out->test_string(con_out,
  40                         L" !\"#$%&'()*+,-./0-9:;<=>?@A-Z[\\]^_`a-z{|}~\n");
  41         if (ret != EFI_ST_SUCCESS) {
  42                 efi_st_error("TestString failed for ANSI characters\n");
  43                 return EFI_ST_FAILURE;
  44         }
  45         return EFI_ST_SUCCESS;
  46 }
  47
  48 EFI_UNIT_TEST(textoutput) = {
  49         .name = "text output",
  50         .phase = EFI_EXECUTE_BEFORE_BOOTTIME_EXIT,
  51         .execute = execute,
  52 };