2a8ad41e7b
Signed-off-by: Stefan Reinauer <stepan@coresystems.de> Acked-by: Stefan Reinauer <stepan@coresystems.de> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5862 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
153 lines
3.2 KiB
C
153 lines
3.2 KiB
C
/*
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* This file is part of the coreboot project.
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*
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* Copyright (C) 2003 Eric Biederman
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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; version 2 of the License.
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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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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <console/console.h>
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#include <build.h>
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#include <arch/hlt.h>
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#include <arch/io.h>
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#if CONFIG_CONSOLE_NE2K
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#include <console/ne2k.h>
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#endif
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#ifndef __PRE_RAM__
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#include <string.h>
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#include <pc80/mc146818rtc.h>
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/* initialize the console */
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void console_init(void)
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{
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struct console_driver *driver;
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if(get_option(&console_loglevel, "debug_level"))
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console_loglevel=CONFIG_DEFAULT_CONSOLE_LOGLEVEL;
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for(driver = console_drivers; driver < econsole_drivers; driver++) {
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if (!driver->init)
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continue;
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driver->init();
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}
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}
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static void __console_tx_byte(unsigned char byte)
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{
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struct console_driver *driver;
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for(driver = console_drivers; driver < econsole_drivers; driver++) {
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driver->tx_byte(byte);
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}
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}
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void console_tx_flush(void)
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{
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struct console_driver *driver;
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for(driver = console_drivers; driver < econsole_drivers; driver++) {
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if (!driver->tx_flush)
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continue;
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driver->tx_flush();
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}
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}
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void console_tx_byte(unsigned char byte)
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{
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if (byte == '\n')
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__console_tx_byte('\r');
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__console_tx_byte(byte);
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}
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unsigned char console_rx_byte(void)
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{
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struct console_driver *driver;
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for(driver = console_drivers; driver < econsole_drivers; driver++) {
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if (driver->tst_byte)
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break;
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}
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if (driver == econsole_drivers)
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return 0;
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while (!driver->tst_byte());
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return driver->rx_byte();
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}
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int console_tst_byte(void)
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{
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struct console_driver *driver;
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for(driver = console_drivers; driver < econsole_drivers; driver++)
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if (driver->tst_byte)
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return driver->tst_byte();
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return 0;
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}
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/*
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* Write POST information
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*/
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void post_code(u8 value)
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{
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#if !defined(CONFIG_NO_POST) || CONFIG_NO_POST==0
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#if CONFIG_SERIAL_POST==1
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printk(BIOS_EMERG, "POST: 0x%02x\n", value);
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#endif
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outb(value, 0x80);
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#endif
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}
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/* Report a fatal error */
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void __attribute__((noreturn)) die(const char *msg)
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{
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printk(BIOS_EMERG, "%s", msg);
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//post_code(0xff);
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for (;;)
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hlt(); /* Halt */
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}
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#else
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void console_init(void)
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{
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#if CONFIG_CONSOLE_NE2K
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ne2k_init(CONFIG_CONSOLE_NE2K_IO_PORT);
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#endif
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static const char console_test[] =
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"\n\ncoreboot-"
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COREBOOT_VERSION
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COREBOOT_EXTRA_VERSION
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" "
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COREBOOT_BUILD
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" starting...\n";
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print_info(console_test);
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}
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void post_code(u8 value)
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{
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#if !defined(CONFIG_NO_POST) || CONFIG_NO_POST==0
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#if CONFIG_SERIAL_POST==1
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print_emerg("POST: 0x");
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print_emerg_hex8(value);
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print_emerg("\n");
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#endif
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outb(value, 0x80);
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#endif
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}
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void die(const char *str)
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{
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print_emerg(str);
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do {
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hlt();
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} while(1);
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}
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#endif
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