mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-14 00:47:26 +00:00
61a6210541
The cls command is broken. Previous discussion about this was at [1] and [2]. For now, add a note to the source code. [1] https://patchwork.ozlabs.org/project/uboot/patch/ 20221022092058.106052-1-heinrich.schuchardt@canonical.com/ [2] https://patchwork.ozlabs.org/project/uboot/patch/ 20230106145243.411626-12-sjg@chromium.org/ Signed-off-by: Simon Glass <sjg@chromium.org>
41 lines
954 B
C
41 lines
954 B
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* (C) Copyright 2018
|
|
* DENX Software Engineering, Anatolij Gustschin <agust@denx.de>
|
|
*
|
|
* cls - clear screen command
|
|
*/
|
|
#include <common.h>
|
|
#include <command.h>
|
|
#include <dm.h>
|
|
#include <video_console.h>
|
|
|
|
#define CSI "\x1b["
|
|
|
|
static int do_video_clear(struct cmd_tbl *cmdtp, int flag, int argc,
|
|
char *const argv[])
|
|
{
|
|
__maybe_unused struct udevice *dev;
|
|
|
|
/*
|
|
* Send clear screen and home
|
|
*
|
|
* FIXME(Heinrich Schuchardt <xypron.glpk@gmx.de>): This should go
|
|
* through an API and only be written to serial terminals, not video
|
|
* displays
|
|
*/
|
|
printf(CSI "2J" CSI "1;1H");
|
|
if (IS_ENABLED(CONFIG_VIDEO_ANSI))
|
|
return 0;
|
|
|
|
if (IS_ENABLED(CONFIG_VIDEO)) {
|
|
if (uclass_first_device_err(UCLASS_VIDEO_CONSOLE, &dev))
|
|
return CMD_RET_FAILURE;
|
|
if (vidconsole_clear_and_reset(dev))
|
|
return CMD_RET_FAILURE;
|
|
}
|
|
|
|
return CMD_RET_SUCCESS;
|
|
}
|
|
|
|
U_BOOT_CMD(cls, 1, 1, do_video_clear, "clear screen", "");
|