9579540144
Put the console into raw mode on startup. This allows the menus to work as expected. Boot is now interruptable. Note: Likely should restore the terminal settings on most exists. It's not clear the best way to do this, and most shells have an auto stty sane anyway, so note it for future improvement. Sponsored by: Netflix
103 lines
2.5 KiB
C
103 lines
2.5 KiB
C
/*-
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* Copyright (C) 2014 Nathan Whitehorn
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/types.h>
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#include "bootstrap.h"
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#include "host_syscall.h"
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#include "termios.h"
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static void hostcons_probe(struct console *cp);
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static int hostcons_init(int arg);
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static void hostcons_putchar(int c);
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static int hostcons_getchar();
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static int hostcons_poll();
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struct console hostconsole = {
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"host",
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"Host Console",
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0,
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hostcons_probe,
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hostcons_init,
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hostcons_putchar,
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hostcons_getchar,
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hostcons_poll,
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};
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static struct host_termios old_settings;
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static void
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hostcons_probe(struct console *cp)
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{
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cp->c_flags |= C_PRESENTIN|C_PRESENTOUT;
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}
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static int
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hostcons_init(int arg)
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{
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struct host_termios new_settings;
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host_tcgetattr(0, &old_settings);
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new_settings = old_settings;
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host_cfmakeraw(&new_settings);
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host_tcsetattr(0, HOST_TCSANOW, &new_settings);
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return (0);
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}
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static void
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hostcons_putchar(int c)
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{
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uint8_t ch = c;
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host_write(1, &ch, 1);
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}
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static int
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hostcons_getchar()
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{
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uint8_t ch;
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int rv;
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rv = host_read(0, &ch, 1);
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if (rv == 1)
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return (ch);
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return (-1);
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}
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static int
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hostcons_poll()
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{
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struct host_timeval tv = {0,0};
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long fds = 1 << 0;
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int ret;
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ret = host_select(32, &fds, NULL, NULL, &tv);
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return (ret > 0);
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}
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