| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2003 Eric Biederman |
| * |
| * 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 <stdint.h> |
| #include <console/loglevel.h> |
| #include <console/post_codes.h> |
| |
| /* __PRE_RAM__ */ |
| /* Using a global varible can cause problems when we reset the stack |
| * from cache as ram to ram. If we make this a define USE_SHARED_STACK |
| * we could use the same code on all architectures. |
| */ |
| #define console_loglevel CONFIG_DEFAULT_CONSOLE_LOGLEVEL |
| #if CONFIG_CONSOLE_SERIAL8250 |
| #include <uart8250.h> |
| #endif |
| |
| #if CONFIG_CONSOLE_SERIAL8250 |
| #include "lib/uart8250.c" |
| #endif |
| #if CONFIG_CONSOLE_NE2K |
| #include "drivers/net/ne2k.c" |
| #endif |
| |
| static void __console_tx_byte(unsigned char byte) |
| { |
| #if CONFIG_CONSOLE_SERIAL8250 |
| uart8250_tx_byte(CONFIG_TTYS0_BASE, byte); |
| #endif |
| #if CONFIG_CONSOLE_NE2K |
| ne2k_append_data_byte(byte, CONFIG_CONSOLE_NE2K_IO_PORT); |
| #endif |
| } |
| |
| static void __console_tx_nibble(unsigned nibble) |
| { |
| unsigned char digit; |
| digit = nibble + '0'; |
| if (digit > '9') { |
| digit += 39; |
| } |
| __console_tx_byte(digit); |
| } |
| |
| static void __console_tx_char(int loglevel, unsigned char byte) |
| { |
| if (console_loglevel >= loglevel) { |
| #if CONFIG_CONSOLE_SERIAL8250 |
| uart8250_tx_byte(CONFIG_TTYS0_BASE, byte); |
| #endif |
| #if CONFIG_CONSOLE_NE2K |
| ne2k_append_data_byte(byte, CONFIG_CONSOLE_NE2K_IO_PORT); |
| ne2k_transmit(CONFIG_CONSOLE_NE2K_IO_PORT); |
| #endif |
| } |
| } |
| |
| static void __console_tx_hex8(int loglevel, unsigned char value) |
| { |
| if (console_loglevel >= loglevel) { |
| __console_tx_nibble((value >> 4U) & 0x0fU); |
| __console_tx_nibble(value & 0x0fU); |
| } |
| #if CONFIG_CONSOLE_NE2K |
| ne2k_transmit(CONFIG_CONSOLE_NE2K_IO_PORT); |
| #endif |
| } |
| |
| static void __console_tx_hex16(int loglevel, unsigned short value) |
| { |
| if (console_loglevel >= loglevel) { |
| __console_tx_nibble((value >> 12U) & 0x0fU); |
| __console_tx_nibble((value >> 8U) & 0x0fU); |
| __console_tx_nibble((value >> 4U) & 0x0fU); |
| __console_tx_nibble(value & 0x0fU); |
| } |
| #if CONFIG_CONSOLE_NE2K |
| ne2k_transmit(CONFIG_CONSOLE_NE2K_IO_PORT); |
| #endif |
| } |
| |
| static void __console_tx_hex32(int loglevel, unsigned int value) |
| { |
| if (console_loglevel >= loglevel) { |
| __console_tx_nibble((value >> 28U) & 0x0fU); |
| __console_tx_nibble((value >> 24U) & 0x0fU); |
| __console_tx_nibble((value >> 20U) & 0x0fU); |
| __console_tx_nibble((value >> 16U) & 0x0fU); |
| __console_tx_nibble((value >> 12U) & 0x0fU); |
| __console_tx_nibble((value >> 8U) & 0x0fU); |
| __console_tx_nibble((value >> 4U) & 0x0fU); |
| __console_tx_nibble(value & 0x0fU); |
| } |
| #if CONFIG_CONSOLE_NE2K |
| ne2k_transmit(CONFIG_CONSOLE_NE2K_IO_PORT); |
| #endif |
| } |
| |
| static void __console_tx_string(int loglevel, const char *str) |
| { |
| if (console_loglevel >= loglevel) { |
| unsigned char ch; |
| while((ch = *str++) != '\0') { |
| if (ch == '\n') |
| __console_tx_byte('\r'); |
| __console_tx_byte(ch); |
| } |
| #if CONFIG_CONSOLE_NE2K |
| ne2k_transmit(CONFIG_CONSOLE_NE2K_IO_PORT); |
| #endif |
| } |
| } |
| |
| /* if included by romcc, include the sources, too. romcc can't use prototypes */ |
| #include <console/console.c> |
| #include <console/post.c> |
| #include <console/die.c> |
| |
| |