u-boot/test/cmd/coreboot.c
Simon Glass ae3b5928d6 x86: coreboot: Allow building an expo for editing CMOS config
Coreboot provides the CMOS layout in the tables it passes to U-Boot.
Use that to build an editor for the CMOS settings.

Signed-off-by: Simon Glass <sjg@chromium.org>
2024-11-03 21:27:12 -06:00

120 lines
3.1 KiB
C

// SPDX-License-Identifier: GPL-2.0+
/*
* Test for coreboot commands
*
* Copyright 2023 Google LLC
* Written by Simon Glass <sjg@chromium.org>
*/
#include <cedit.h>
#include <command.h>
#include <dm.h>
#include <expo.h>
#include <rtc.h>
#include <test/cedit-test.h>
#include <test/cmd.h>
#include <test/test.h>
#include <test/ut.h>
#include "../../boot/scene_internal.h"
enum {
CSUM_LOC = 0x3f0 / 8,
};
/**
* test_cmd_cbsysinfo() - test the cbsysinfo command produces expected output
*
* This includes ensuring that the coreboot build has the expected options
* enabled
*/
static int test_cmd_cbsysinfo(struct unit_test_state *uts)
{
ut_assertok(run_command("cbsysinfo", 0));
ut_assert_nextlinen("Coreboot table at");
/* Make sure CMOS options are enabled */
ut_assert_skip_to_line(
" 1c0 1 e 1 power_on_after_fail 0:Disable 1:Enable");
ut_assert_skip_to_line("CMOS start : 1c0");
ut_assert_nextline(" CMOS end : 1cf");
ut_assert_nextline(" CMOS csum loc: 3f0");
/* Make sure the linear frame buffer is enabled */
ut_assert_skip_to_linen("Framebuffer");
ut_assert_nextlinen(" Phys addr");
ut_assert_skip_to_line("Chrome OS VPD: 00000000");
ut_assert_nextlinen("RSDP");
ut_assert_nextlinen("Unimpl.");
ut_assert_console_end();
return 0;
}
CMD_TEST(test_cmd_cbsysinfo, UTF_CONSOLE);
/* test cbcmos command */
static int test_cmd_cbcmos(struct unit_test_state *uts)
{
u16 old_csum, new_csum;
struct udevice *dev;
/* initially the checksum should be correct */
ut_assertok(run_command("cbcmos check", 0));
ut_assert_console_end();
/* make a change to the checksum */
ut_assertok(uclass_first_device_err(UCLASS_RTC, &dev));
ut_assertok(rtc_read16(dev, CSUM_LOC, &old_csum));
ut_assertok(rtc_write16(dev, CSUM_LOC, old_csum + 1));
/* now the command should fail */
ut_asserteq(1, run_command("cbcmos check", 0));
ut_assert_nextline("Checksum %04x error: calculated %04x",
old_csum + 1, old_csum);
ut_assert_console_end();
/* now get it to fix the checksum */
ut_assertok(run_command("cbcmos update", 0));
ut_assert_nextline("Checksum %04x written", old_csum);
ut_assert_console_end();
/* check the RTC looks right */
ut_assertok(rtc_read16(dev, CSUM_LOC, &new_csum));
ut_asserteq(old_csum, new_csum);
ut_assert_console_end();
return 0;
}
CMD_TEST(test_cmd_cbcmos, UTF_CONSOLE);
/* test 'cedit cb_load' command */
static int test_cmd_cedit_cb_load(struct unit_test_state *uts)
{
struct scene_obj_menu *menu;
struct video_priv *vid_priv;
struct scene_obj_txt *txt;
struct scene *scn;
struct expo *exp;
int scn_id;
ut_assertok(run_command("cedit cb_load", 0));
ut_assertok(run_command("cedit read_cmos", 0));
ut_assert_console_end();
exp = cur_exp;
scn_id = cedit_prepare(exp, &vid_priv, &scn);
ut_assert(scn_id > 0);
ut_assertnonnull(scn);
/* just do a very basic test that the first menu is present */
menu = scene_obj_find(scn, scn->highlight_id, SCENEOBJT_NONE);
ut_assertnonnull(menu);
txt = scene_obj_find(scn, menu->title_id, SCENEOBJT_NONE);
ut_assertnonnull(txt);
ut_asserteq_str("Boot option", expo_get_str(exp, txt->str_id));
return 0;
}
CMD_TEST(test_cmd_cedit_cb_load, UTF_CONSOLE);