diff options
Diffstat (limited to 'src/arch/x86/lib/printk_init.c')
-rw-r--r-- | src/arch/x86/lib/printk_init.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/src/arch/x86/lib/printk_init.c b/src/arch/x86/lib/printk_init.c new file mode 100644 index 0000000000..2f7f751832 --- /dev/null +++ b/src/arch/x86/lib/printk_init.c @@ -0,0 +1,57 @@ +/* + * This file is part of the coreboot project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; version 2 of + * the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, + * MA 02110-1301 USA + */ + +#include <console/console.h> +#include <console/vtxprintf.h> +#include <uart8250.h> + +#if CONFIG_CONSOLE_NE2K +#include <console/ne2k.h> +#endif + +static void console_tx_byte(unsigned char byte) +{ +#if CONFIG_CONSOLE_NE2K +#ifdef __PRE_RAM__ + ne2k_append_data(&byte, 1, CONFIG_CONSOLE_NE2K_IO_PORT); +#endif +#endif + if (byte == '\n') + uart8250_tx_byte(CONFIG_TTYS0_BASE, '\r'); + + uart8250_tx_byte(CONFIG_TTYS0_BASE, byte); +} + +int do_printk(int msg_level, const char *fmt, ...) +{ + va_list args; + int i; + + if (msg_level > console_loglevel) { + return 0; + } + + va_start(args, fmt); + i = vtxprintf(console_tx_byte, fmt, args); + va_end(args); +#if CONFIG_CONSOLE_NE2K + ne2k_transmit(CONFIG_CONSOLE_NE2K_IO_PORT); +#endif + return i; +} |