1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Test for coreboot commands
4  *
5  * Copyright 2023 Google LLC
6  * Written by Simon Glass <sjg@chromium.org>
7  */
8 
9 #include <cedit.h>
10 #include <command.h>
11 #include <dm.h>
12 #include <expo.h>
13 #include <rtc.h>
14 #include <test/cedit-test.h>
15 #include <test/cmd.h>
16 #include <test/test.h>
17 #include <test/ut.h>
18 #include "../../boot/scene_internal.h"
19 
20 enum {
21 	CSUM_LOC	= 0x3f0 / 8,
22 };
23 
24 /**
25  * test_cmd_cbsysinfo() - test the cbsysinfo command produces expected output
26  *
27  * This includes ensuring that the coreboot build has the expected options
28  * enabled
29  */
test_cmd_cbsysinfo(struct unit_test_state * uts)30 static int test_cmd_cbsysinfo(struct unit_test_state *uts)
31 {
32 	ut_assertok(run_command("cbsysinfo", 0));
33 	ut_assert_nextlinen("Coreboot table at");
34 
35 	/* Make sure CMOS options are enabled */
36 	ut_assert_skip_to_line(
37 		" 1c0    1    e   1  power_on_after_fail    0:Disable 1:Enable");
38 	ut_assert_skip_to_line("CMOS start  : 1c0");
39 	ut_assert_nextline("   CMOS end    : 1cf");
40 	ut_assert_nextline("   CMOS csum loc: 3f0");
41 
42 	/* Make sure the linear frame buffer is enabled */
43 	ut_assert_skip_to_linen("Framebuffer");
44 	ut_assert_nextlinen("   Phys addr");
45 
46 	ut_assert_skip_to_line("Chrome OS VPD: 00000000");
47 	ut_assert_nextlinen("RSDP");
48 	ut_assert_nextlinen("Unimpl.");
49 	ut_assert_console_end();
50 
51 	return 0;
52 }
53 CMD_TEST(test_cmd_cbsysinfo, UTF_CONSOLE);
54 
55 /* test cbcmos command */
test_cmd_cbcmos(struct unit_test_state * uts)56 static int test_cmd_cbcmos(struct unit_test_state *uts)
57 {
58 	u16 old_csum, new_csum;
59 	struct udevice *dev;
60 
61 	/* initially the checksum should be correct */
62 	ut_assertok(run_command("cbcmos check", 0));
63 	ut_assert_console_end();
64 
65 	/* make a change to the checksum */
66 	ut_assertok(uclass_first_device_err(UCLASS_RTC, &dev));
67 	ut_assertok(rtc_read16(dev, CSUM_LOC, &old_csum));
68 	ut_assertok(rtc_write16(dev, CSUM_LOC, old_csum + 1));
69 
70 	/* now the command should fail */
71 	ut_asserteq(1, run_command("cbcmos check", 0));
72 	ut_assert_nextline("Checksum %04x error: calculated %04x",
73 			   old_csum + 1, old_csum);
74 	ut_assert_console_end();
75 
76 	/* now get it to fix the checksum */
77 	ut_assertok(run_command("cbcmos update", 0));
78 	ut_assert_nextline("Checksum %04x written", old_csum);
79 	ut_assert_console_end();
80 
81 	/* check the RTC looks right */
82 	ut_assertok(rtc_read16(dev, CSUM_LOC, &new_csum));
83 	ut_asserteq(old_csum, new_csum);
84 	ut_assert_console_end();
85 
86 	return 0;
87 }
88 CMD_TEST(test_cmd_cbcmos, UTF_CONSOLE);
89 
90 /* test 'cedit cb_load' command */
test_cmd_cedit_cb_load(struct unit_test_state * uts)91 static int test_cmd_cedit_cb_load(struct unit_test_state *uts)
92 {
93 	struct scene_obj_menu *menu;
94 	struct video_priv *vid_priv;
95 	struct scene_obj_txt *txt;
96 	struct scene *scn;
97 	struct expo *exp;
98 	int scn_id;
99 
100 	ut_assertok(run_command("cedit cb_load", 0));
101 	ut_assertok(run_command("cedit read_cmos", 0));
102 	ut_assert_console_end();
103 
104 	exp = cur_exp;
105 	scn_id = cedit_prepare(exp, &vid_priv, &scn);
106 	ut_assert(scn_id > 0);
107 	ut_assertnonnull(scn);
108 
109 	/* just do a very basic test that the first menu is present */
110 	menu = scene_obj_find(scn, scn->highlight_id, SCENEOBJT_NONE);
111 	ut_assertnonnull(menu);
112 
113 	txt = scene_obj_find(scn, menu->title_id, SCENEOBJT_NONE);
114 	ut_assertnonnull(txt);
115 	ut_asserteq_str("Boot option", expo_get_str(exp, txt->str_id));
116 
117 	return 0;
118 }
119 CMD_TEST(test_cmd_cedit_cb_load, UTF_CONSOLE);
120