1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
|
/*
* efi_selftest_events
*
* Copyright (c) 2017 Heinrich Schuchardt <xypron.glpk@gmx.de>
*
* SPDX-License-Identifier: GPL-2.0+
*
* This unit test checks that the notification function of an
* EVT_SIGNAL_EXIT_BOOT_SERVICES event is called exactly once.
*/
#include <efi_selftest.h>
static struct efi_boot_services *boottime;
static struct efi_event *event_notify;
static unsigned int counter;
/*
* Notification function, increments a counter.
*
* @event notified event
* @context pointer to the counter
*/
static void EFIAPI notify(struct efi_event *event, void *context)
{
if (!context)
return;
++*(unsigned int *)context;
}
/*
* Setup unit test.
*
* Create an EVT_SIGNAL_EXIT_BOOT_SERVICES event.
*
* @handle: handle of the loaded image
* @systable: system table
*/
static int setup(const efi_handle_t handle,
const struct efi_system_table *systable)
{
efi_status_t ret;
boottime = systable->boottime;
counter = 0;
ret = boottime->create_event(EVT_SIGNAL_EXIT_BOOT_SERVICES,
TPL_CALLBACK, notify, (void *)&counter,
&event_notify);
if (ret != EFI_SUCCESS) {
efi_st_error("could not create event\n");
return 1;
}
return 0;
}
/*
* Tear down unit test.
*
* Close the event created in setup.
*/
static int teardown(void)
{
efi_status_t ret;
if (event_notify) {
ret = boottime->close_event(event_notify);
event_notify = NULL;
if (ret != EFI_SUCCESS) {
efi_st_error("could not close event\n");
return 1;
}
}
return 0;
}
/*
* Execute unit test.
*
* Check that the notification function of the EVT_SIGNAL_EXIT_BOOT_SERVICES
* event has been called.
*
* Call ExitBootServices again and check that the notification function is
* not called again.
*/
static int execute(void)
{
if (counter != 1) {
efi_st_error("ExitBootServices was not notified");
return 1;
}
efi_st_exit_boot_services();
if (counter != 1) {
efi_st_error("ExitBootServices was notified twice");
return 1;
}
return 0;
}
EFI_UNIT_TEST(exitbootservices) = {
.name = "ExitBootServices",
.phase = EFI_SETUP_BEFORE_BOOTTIME_EXIT,
.setup = setup,
.execute = execute,
.teardown = teardown,
};
|
