LXR uboot/lib/efi_selftest/efi_selftest

   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 */
  20static int execute(void)
  21{
  22        size_t foreground;
  23        size_t background;
  24        size_t attrib;
  25        efi_status_t ret;
  26        s16 col;
  27        u16 cr[] = { 0x0d, 0x00 };
  28        u16 lf[] = { 0x0a, 0x00 };
  29        u16 brahmi[] = { /* 2 Brahmi letters */
  30                0xD804, 0xDC05,
  31                0xD804, 0xDC22,
  32                0};
  33
  34        /* SetAttribute */
  35        efi_st_printf("\nColor palette\n");
  36        for (foreground = 0; foreground < 0x10; ++foreground) {
  37                for (background = 0; background < 0x80; background += 0x10) {
  38                        attrib = foreground | background;
  39                        con_out->set_attribute(con_out, attrib);
  40                        efi_st_printf("%p", (void *)attrib);
  41                }
  42                con_out->set_attribute(con_out, 0);
  43                efi_st_printf("\n");
  44        }
  45        /* TestString */
  46        ret = con_out->test_string(con_out,
  47                        L" !\"#$%&'()*+,-./0-9:;<=>?@A-Z[\\]^_`a-z{|}~\n");
  48        if (ret != EFI_ST_SUCCESS) {
  49                efi_st_error("TestString failed for ANSI characters\n");
  50                return EFI_ST_FAILURE;
  51        }
  52        /* OutputString */
  53        ret = con_out->output_string(con_out,
  54                                     L"Testing cursor column update\n");
  55        if (ret != EFI_ST_SUCCESS) {
  56                efi_st_error("OutputString failed for ANSI characters");
  57                return EFI_ST_FAILURE;
  58        }
  59        col = con_out->mode->cursor_column;
  60        ret = con_out->output_string(con_out, lf);
  61        if (ret != EFI_ST_SUCCESS) {
  62                efi_st_error("OutputString failed for line feed\n");
  63                return EFI_ST_FAILURE;
  64        }
  65        if (con_out->mode->cursor_column != col) {
  66                efi_st_error("Cursor column changed by line feed\n");
  67                return EFI_ST_FAILURE;
  68        }
  69        ret = con_out->output_string(con_out, cr);
  70        if (ret != EFI_ST_SUCCESS) {
  71                efi_st_error("OutputString failed for carriage return\n");
  72                return EFI_ST_FAILURE;
  73        }
  74        if (con_out->mode->cursor_column) {
  75                efi_st_error("Cursor column not 0 at beginning of line\n");
  76                return EFI_ST_FAILURE;
  77        }
  78        ret = con_out->output_string(con_out, L"123");
  79        if (ret != EFI_ST_SUCCESS) {
  80                efi_st_error("OutputString failed for ANSI characters\n");
  81                return EFI_ST_FAILURE;
  82        }
  83        if (con_out->mode->cursor_column != 3) {
  84                efi_st_error("Cursor column not incremented properly\n");
  85                return EFI_ST_FAILURE;
  86        }
  87        ret = con_out->output_string(con_out, L"\b");
  88        if (ret != EFI_ST_SUCCESS) {
  89                efi_st_error("OutputString failed for backspace\n");
  90                return EFI_ST_FAILURE;
  91        }
  92        if (con_out->mode->cursor_column != 2) {
  93                efi_st_error("Cursor column not decremented properly\n");
  94                return EFI_ST_FAILURE;
  95        }
  96        ret = con_out->output_string(con_out, L"\b\b");
  97        if (ret != EFI_ST_SUCCESS) {
  98                efi_st_error("OutputString failed for backspace\n");
  99                return EFI_ST_FAILURE;
 100        }
 101        if (con_out->mode->cursor_column) {
 102                efi_st_error("Cursor column not decremented properly\n");
 103                return EFI_ST_FAILURE;
 104        }
 105        ret = con_out->output_string(con_out, L"\b\b");
 106        if (ret != EFI_ST_SUCCESS) {
 107                efi_st_error("OutputString failed for backspace\n");
 108                return EFI_ST_FAILURE;
 109        }
 110        if (con_out->mode->cursor_column) {
 111                efi_st_error("Cursor column decremented past zero\n");
 112                return EFI_ST_FAILURE;
 113        }
 114        ret = con_out->output_string(con_out, brahmi);
 115        if (ret != EFI_ST_SUCCESS) {
 116                efi_st_todo("Unicode output not fully supported\n");
 117        } else if (con_out->mode->cursor_column != 2) {
 118                efi_st_printf("Unicode not handled properly\n");
 119                return EFI_ST_FAILURE;
 120        }
 121        efi_st_printf("\n");
 122
 123        return EFI_ST_SUCCESS;
 124}
 125
 126EFI_UNIT_TEST(textoutput) = {
 127        .name = "text output",
 128        .phase = EFI_EXECUTE_BEFORE_BOOTTIME_EXIT,
 129        .execute = execute,
 130};
 131