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03c36be3b6
This change is based on the patch proposed by Denis Ahrens in https://review.coreboot.org/c/flashrom/+/67822 Change-Id: I3e6b88d2b4c2a130b16456752681fd9f807bf6f0 Signed-off-by: Peter Stuge <peter@stuge.se> Reviewed-on: https://review.coreboot.org/c/flashrom/+/70571 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Thomas Heijligen <src@posteo.de>
62 lines
1.3 KiB
C
62 lines
1.3 KiB
C
/*
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* This file is part of the flashrom project.
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*
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* Copyright (C) 2022 Peter Stuge <peter@stuge.se>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <termios.h>
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#include <sys/ioctl.h>
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#include <IOKit/serial/ioss.h>
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#include <errno.h>
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#include "custom_baud.h"
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int use_custom_baud(unsigned int baud, const struct baudentry *baudtable)
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{
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int i;
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if (baud > 230400)
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return 1;
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for (i = 0; baudtable[i].baud; i++) {
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if (baudtable[i].baud == baud)
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return 0;
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if (baudtable[i].baud > baud)
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return 1;
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}
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return 1;
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}
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int set_custom_baudrate(int fd, unsigned int baud, const enum custom_baud_stage stage, void *tio_wanted)
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{
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struct termios *wanted;
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speed_t speed;
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switch (stage) {
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case BEFORE_FLAGS:
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break;
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case WITH_FLAGS:
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wanted = tio_wanted;
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return cfsetspeed(wanted, B19200);
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case AFTER_FLAGS:
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speed = baud;
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return ioctl(fd, IOSSIOSPEED, &speed);
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}
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return 0;
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}
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