2 -- SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 -- Copyright (c) 2015 Pedro Souza <pedrosouza@freebsd.org>
5 -- All rights reserved.
7 -- Redistribution and use in source and binary forms, with or without
8 -- modification, are permitted provided that the following conditions
10 -- 1. Redistributions of source code must retain the above copyright
11 -- notice, this list of conditions and the following disclaimer.
12 -- 2. Redistributions in binary form must reproduce the above copyright
13 -- notice, this list of conditions and the following disclaimer in the
14 -- documentation and/or other materials provided with the distribution.
16 -- THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 -- ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 -- IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 -- ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 -- FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 -- DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 -- OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 -- HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 -- LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 -- OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 local color = require("color")
32 local core = require("core")
37 function screen.clear()
38 if core.isSerialBoot() then
41 loader.printc(core.KEYSTR_CSI .. "H" .. core.KEYSTR_CSI .. "J")
44 function screen.setcursor(x, y)
45 if core.isSerialBoot() then
49 loader.printc(core.KEYSTR_CSI .. y .. ";" .. x .. "H")
52 function screen.setforeground(color_value)
53 if color.disabled then
56 loader.printc(color.escapef(color_value))
59 function screen.setbackground(color_value)
60 if color.disabled then
63 loader.printc(color.escapeb(color_value))
66 function screen.defcolor()
67 loader.printc(color.default())
70 function screen.defcursor()
71 if core.isSerialBoot() then
74 loader.printc(core.KEYSTR_CSI .. "25;0H")