include/efi_selftest.h

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