LXR uboot/include/efi

   1/* SPDX-License-Identifier: GPL-2.0+ */
   2/*
   3 *  EFI application loader
   4 *
   5 *  Copyright (c) 2017 Heinrich Schuchardt <xypron.glpk@gmx.de>
   6 */
   7
   8#ifndef _EFI_SELFTEST_H
   9#define _EFI_SELFTEST_H
  10
  11#include <common.h>
  12#include <efi.h>
  13#include <efi_api.h>
  14#include <efi_loader.h>
  15#include <linker_lists.h>
  16
  17#define EFI_ST_SUCCESS 0
  18#define EFI_ST_FAILURE 1
  19
  20/*
  21 * Prints a message.
  22 */
  23#define efi_st_printf(...) \
  24        (efi_st_printc(-1, __VA_ARGS__))
  25
  26/*
  27 * Prints an error message.
  28 *
  29 * @... format string followed by fields to print
  30 */
  31#define efi_st_error(...) \
  32        (efi_st_printc(EFI_LIGHTRED, "%s(%u):\nERROR: ", __FILE__, __LINE__), \
  33        efi_st_printc(EFI_LIGHTRED, __VA_ARGS__))
  34
  35/*
  36 * Prints a TODO message.
  37 *
  38 * @... format string followed by fields to print
  39 */
  40#define efi_st_todo(...) \
  41        (efi_st_printc(EFI_YELLOW, "%s(%u):\nTODO: ", __FILE__, __LINE__), \
  42        efi_st_printc(EFI_YELLOW, __VA_ARGS__)) \
  43
  44/*
  45 * A test may be setup and executed at boottime,
  46 * it may be setup at boottime and executed at runtime,
  47 * or it may be setup and executed at runtime.
  48 */
  49enum efi_test_phase {
  50        EFI_EXECUTE_BEFORE_BOOTTIME_EXIT = 1,
  51        EFI_SETUP_BEFORE_BOOTTIME_EXIT,
  52        EFI_SETUP_AFTER_BOOTTIME_EXIT,
  53};
  54
  55extern struct efi_simple_text_output_protocol *con_out;
  56extern struct efi_simple_input_interface *con_in;
  57
  58/*
  59 * Exit the boot services.
  60 *
  61 * The size of the memory map is determined.
  62 * Pool memory is allocated to copy the memory map.
  63 * The memory amp is copied and the map key is obtained.
  64 * The map key is used to exit the boot services.
  65 */
  66void efi_st_exit_boot_services(void);
  67
  68/*
  69 * Print a colored message
  70 *
  71 * @color       color, see constants in efi_api.h, use -1 for no color
  72 * @fmt         printf format
  73 * @...         arguments to be printed
  74 *              on return position of terminating zero word
  75 */
  76void efi_st_printc(int color, const char *fmt, ...)
  77                 __attribute__ ((format (__printf__, 2, 3)));
  78
  79/*
  80 * Compare memory.
  81 * We cannot use lib/string.c due to different CFLAGS values.
  82 *
  83 * @buf1:       first buffer
  84 * @buf2:       second buffer
  85 * @length:     number of bytes to compare
  86 * @return:     0 if both buffers contain the same bytes
  87 */
  88int efi_st_memcmp(const void *buf1, const void *buf2, size_t length);
  89
  90/*
  91 * Compare an u16 string to a char string.
  92 *
  93 * @buf1:       u16 string
  94 * @buf2:       char string
  95 * @return:     0 if both buffers contain the same bytes
  96 */
  97int efi_st_strcmp_16_8(const u16 *buf1, const char *buf2);
  98
  99/*
 100 * Reads an Unicode character from the input device.
 101 *
 102 * @return: Unicode character
 103 */
 104u16 efi_st_get_key(void);
 105
 106/**
 107 * struct efi_unit_test - EFI unit test
 108 *
 109 * An efi_unit_test provides a interface to an EFI unit test.
 110 *
 111 * @name:       name of unit test
 112 * @phase:      specifies when setup and execute are executed
 113 * @setup:      set up the unit test
 114 * @teardown:   tear down the unit test
 115 * @execute:    execute the unit test
 116 * @setup_ok:   setup was successful (set at runtime)
 117 * @on_request: test is only executed on request
 118 */
 119struct efi_unit_test {
 120        const char *name;
 121        const enum efi_test_phase phase;
 122        int (*setup)(const efi_handle_t handle,
 123                     const struct efi_system_table *systable);
 124        int (*execute)(void);
 125        int (*teardown)(void);
 126        int setup_ok;
 127        bool on_request;
 128};
 129
 130/* Declare a new EFI unit test */
 131#define EFI_UNIT_TEST(__name)                                           \
 132        ll_entry_declare(struct efi_unit_test, __name, efi_unit_test)
 133
 134#endif /* _EFI_SELFTEST_H */
 135