| /* |
| * 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 |
| */ |
| |
| #ifndef CONSOLE_CONSOLE_H_ |
| #define CONSOLE_CONSOLE_H_ |
| |
| #include <stdint.h> |
| #include <console/loglevel.h> |
| |
| #ifndef __PRE_RAM__ |
| void console_tx_byte(unsigned char byte); |
| void console_tx_flush(void); |
| unsigned char console_rx_byte(void); |
| int console_tst_byte(void); |
| #if CONFIG_USBDEBUG |
| #include <usbdebug.h> |
| #endif |
| |
| struct console_driver { |
| void (*init)(void); |
| void (*tx_byte)(unsigned char byte); |
| void (*tx_flush)(void); |
| unsigned char (*rx_byte)(void); |
| int (*tst_byte)(void); |
| }; |
| |
| #define __console __attribute__((used, __section__ (".rodata.console_drivers"))) |
| |
| /* Defined by the linker... */ |
| extern struct console_driver console_drivers[]; |
| extern struct console_driver econsole_drivers[]; |
| |
| extern int console_loglevel; |
| #else |
| /* __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 |
| #endif |
| |
| #ifndef __ROMCC__ |
| void console_init(void); |
| void post_code(u8 value); |
| void __attribute__ ((noreturn)) die(const char *msg); |
| int do_printk(int msg_level, const char *fmt, ...) __attribute__((format(printf, 2, 3))); |
| |
| #undef WE_CLEANED_UP_ALL_SIDE_EFFECTS |
| /* We saw some strange effects in the past like coreboot crashing while |
| * disabling cache as ram for a maximum console log level of 6 and above while |
| * it worked fine without. In order to catch such issues reliably we are |
| * always doing a function call to do_printk with the full number of arguments. |
| * Our favorite reason to do it this way was: |
| * disable_car(); |
| * printk(BIOS_DEBUG, "CAR disabled\n"); // oops, garbage stack pointer |
| * move_stack(); |
| * This slightly increases the code size and some unprinted strings will end |
| * up in the final coreboot binary (most of them compressed). If you want to |
| * avoid this, do a |
| * #define WE_CLEANED_UP_ALL_SIDE_EFFECTS |
| */ |
| #ifdef WE_CLEANED_UP_ALL_SIDE_EFFECTS |
| |
| #define printk(LEVEL, fmt, args...) \ |
| do { \ |
| if (CONFIG_MAXIMUM_CONSOLE_LOGLEVEL >= LEVEL) { \ |
| do_printk(LEVEL, fmt, ##args); \ |
| } \ |
| } while(0) |
| |
| #else |
| |
| #define printk(LEVEL, fmt, args...) \ |
| do { \ |
| if (CONFIG_MAXIMUM_CONSOLE_LOGLEVEL >= LEVEL) { \ |
| do_printk(LEVEL, fmt, ##args); \ |
| } else { \ |
| do_printk(BIOS_NEVER, fmt, ##args); \ |
| } \ |
| } while(0) |
| #endif |
| |
| #define print_emerg(STR) printk(BIOS_EMERG, "%s", (STR)) |
| #define print_alert(STR) printk(BIOS_ALERT, "%s", (STR)) |
| #define print_crit(STR) printk(BIOS_CRIT, "%s", (STR)) |
| #define print_err(STR) printk(BIOS_ERR, "%s", (STR)) |
| #define print_warning(STR) printk(BIOS_WARNING,"%s", (STR)) |
| #define print_notice(STR) printk(BIOS_NOTICE, "%s", (STR)) |
| #define print_info(STR) printk(BIOS_INFO, "%s", (STR)) |
| #define print_debug(STR) printk(BIOS_DEBUG, "%s", (STR)) |
| #define print_spew(STR) printk(BIOS_SPEW, "%s", (STR)) |
| |
| #define print_emerg_char(CH) printk(BIOS_EMERG, "%c", (CH)) |
| #define print_alert_char(CH) printk(BIOS_ALERT, "%c", (CH)) |
| #define print_crit_char(CH) printk(BIOS_CRIT, "%c", (CH)) |
| #define print_err_char(CH) printk(BIOS_ERR, "%c", (CH)) |
| #define print_warning_char(CH) printk(BIOS_WARNING,"%c", (CH)) |
| #define print_notice_char(CH) printk(BIOS_NOTICE, "%c", (CH)) |
| #define print_info_char(CH) printk(BIOS_INFO, "%c", (CH)) |
| #define print_debug_char(CH) printk(BIOS_DEBUG, "%c", (CH)) |
| #define print_spew_char(CH) printk(BIOS_SPEW, "%c", (CH)) |
| |
| #define print_emerg_hex8(HEX) printk(BIOS_EMERG, "%02x", (HEX)) |
| #define print_alert_hex8(HEX) printk(BIOS_ALERT, "%02x", (HEX)) |
| #define print_crit_hex8(HEX) printk(BIOS_CRIT, "%02x", (HEX)) |
| #define print_err_hex8(HEX) printk(BIOS_ERR, "%02x", (HEX)) |
| #define print_warning_hex8(HEX) printk(BIOS_WARNING,"%02x", (HEX)) |
| #define print_notice_hex8(HEX) printk(BIOS_NOTICE, "%02x", (HEX)) |
| #define print_info_hex8(HEX) printk(BIOS_INFO, "%02x", (HEX)) |
| #define print_debug_hex8(HEX) printk(BIOS_DEBUG, "%02x", (HEX)) |
| #define print_spew_hex8(HEX) printk(BIOS_SPEW, "%02x", (HEX)) |
| |
| #define print_emerg_hex16(HEX) printk(BIOS_EMERG, "%04x", (HEX)) |
| #define print_alert_hex16(HEX) printk(BIOS_ALERT, "%04x", (HEX)) |
| #define print_crit_hex16(HEX) printk(BIOS_CRIT, "%04x", (HEX)) |
| #define print_err_hex16(HEX) printk(BIOS_ERR, "%04x", (HEX)) |
| #define print_warning_hex16(HEX) printk(BIOS_WARNING,"%04x", (HEX)) |
| #define print_notice_hex16(HEX) printk(BIOS_NOTICE, "%04x", (HEX)) |
| #define print_info_hex16(HEX) printk(BIOS_INFO, "%04x", (HEX)) |
| #define print_debug_hex16(HEX) printk(BIOS_DEBUG, "%04x", (HEX)) |
| #define print_spew_hex16(HEX) printk(BIOS_SPEW, "%04x", (HEX)) |
| |
| #define print_emerg_hex32(HEX) printk(BIOS_EMERG, "%08x", (HEX)) |
| #define print_alert_hex32(HEX) printk(BIOS_ALERT, "%08x", (HEX)) |
| #define print_crit_hex32(HEX) printk(BIOS_CRIT, "%08x", (HEX)) |
| #define print_err_hex32(HEX) printk(BIOS_ERR, "%08x", (HEX)) |
| #define print_warning_hex32(HEX) printk(BIOS_WARNING,"%08x", (HEX)) |
| #define print_notice_hex32(HEX) printk(BIOS_NOTICE, "%08x", (HEX)) |
| #define print_info_hex32(HEX) printk(BIOS_INFO, "%08x", (HEX)) |
| #define print_debug_hex32(HEX) printk(BIOS_DEBUG, "%08x", (HEX)) |
| #define print_spew_hex32(HEX) printk(BIOS_SPEW, "%08x", (HEX)) |
| #else |
| |
| /* __ROMCC__ */ |
| |
| #if CONFIG_CONSOLE_SERIAL8250 |
| #include "lib/uart8250.c" |
| #endif |
| #if CONFIG_CONSOLE_NE2K |
| #include "lib/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 |
| } |
| } |
| |
| #define FUNCTIONS_FOR_PRINT |
| #ifdef FUNCTIONS_FOR_PRINT |
| static void print_emerg_char(unsigned char byte) { __console_tx_char(BIOS_EMERG, byte); } |
| static void print_emerg_hex8(unsigned char value){ __console_tx_hex8(BIOS_EMERG, value); } |
| static void print_emerg_hex16(unsigned short value){ __console_tx_hex16(BIOS_EMERG, value); } |
| static void print_emerg_hex32(unsigned int value) { __console_tx_hex32(BIOS_EMERG, value); } |
| static void print_emerg(const char *str) { __console_tx_string(BIOS_EMERG, str); } |
| |
| static void print_alert_char(unsigned char byte) { __console_tx_char(BIOS_ALERT, byte); } |
| static void print_alert_hex8(unsigned char value) { __console_tx_hex8(BIOS_ALERT, value); } |
| static void print_alert_hex16(unsigned short value){ __console_tx_hex16(BIOS_ALERT, value); } |
| static void print_alert_hex32(unsigned int value) { __console_tx_hex32(BIOS_ALERT, value); } |
| static void print_alert(const char *str) { __console_tx_string(BIOS_ALERT, str); } |
| |
| static void print_crit_char(unsigned char byte) { __console_tx_char(BIOS_CRIT, byte); } |
| static void print_crit_hex8(unsigned char value) { __console_tx_hex8(BIOS_CRIT, value); } |
| static void print_crit_hex16(unsigned short value){ __console_tx_hex16(BIOS_CRIT, value); } |
| static void print_crit_hex32(unsigned int value) { __console_tx_hex32(BIOS_CRIT, value); } |
| static void print_crit(const char *str) { __console_tx_string(BIOS_CRIT, str); } |
| |
| static void print_err_char(unsigned char byte) { __console_tx_char(BIOS_ERR, byte); } |
| static void print_err_hex8(unsigned char value) { __console_tx_hex8(BIOS_ERR, value); } |
| static void print_err_hex16(unsigned short value){ __console_tx_hex16(BIOS_ERR, value); } |
| static void print_err_hex32(unsigned int value) { __console_tx_hex32(BIOS_ERR, value); } |
| static void print_err(const char *str) { __console_tx_string(BIOS_ERR, str); } |
| |
| static void print_warning_char(unsigned char byte) { __console_tx_char(BIOS_WARNING, byte); } |
| static void print_warning_hex8(unsigned char value) { __console_tx_hex8(BIOS_WARNING, value); } |
| static void print_warning_hex16(unsigned short value){ __console_tx_hex16(BIOS_WARNING, value); } |
| static void print_warning_hex32(unsigned int value) { __console_tx_hex32(BIOS_WARNING, value); } |
| static void print_warning(const char *str) { __console_tx_string(BIOS_WARNING, str); } |
| |
| static void print_notice_char(unsigned char byte) { __console_tx_char(BIOS_NOTICE, byte); } |
| static void print_notice_hex8(unsigned char value) { __console_tx_hex8(BIOS_NOTICE, value); } |
| static void print_notice_hex16(unsigned short value){ __console_tx_hex16(BIOS_NOTICE, value); } |
| static void print_notice_hex32(unsigned int value) { __console_tx_hex32(BIOS_NOTICE, value); } |
| static void print_notice(const char *str) { __console_tx_string(BIOS_NOTICE, str); } |
| |
| static void print_info_char(unsigned char byte) { __console_tx_char(BIOS_INFO, byte); } |
| static void print_info_hex8(unsigned char value) { __console_tx_hex8(BIOS_INFO, value); } |
| static void print_info_hex16(unsigned short value){ __console_tx_hex16(BIOS_INFO, value); } |
| static void print_info_hex32(unsigned int value) { __console_tx_hex32(BIOS_INFO, value); } |
| static void print_info(const char *str) { __console_tx_string(BIOS_INFO, str); } |
| |
| static void print_debug_char(unsigned char byte) { __console_tx_char(BIOS_DEBUG, byte); } |
| static void print_debug_hex8(unsigned char value) { __console_tx_hex8(BIOS_DEBUG, value); } |
| static void print_debug_hex16(unsigned short value){ __console_tx_hex16(BIOS_DEBUG, value); } |
| static void print_debug_hex32(unsigned int value) { __console_tx_hex32(BIOS_DEBUG, value); } |
| static void print_debug(const char *str) { __console_tx_string(BIOS_DEBUG, str); } |
| |
| static void print_spew_char(unsigned char byte) { __console_tx_char(BIOS_SPEW, byte); } |
| static void print_spew_hex8(unsigned char value) { __console_tx_hex8(BIOS_SPEW, value); } |
| static void print_spew_hex16(unsigned short value){ __console_tx_hex16(BIOS_SPEW, value); } |
| static void print_spew_hex32(unsigned int value) { __console_tx_hex32(BIOS_SPEW, value); } |
| static void print_spew(const char *str) { __console_tx_string(BIOS_SPEW, str); } |
| |
| #else |
| #define print_emerg(STR) __console_tx_string(BIOS_EMERG, STR) |
| #define print_alert(STR) __console_tx_string(BIOS_ALERT, STR) |
| #define print_crit(STR) __console_tx_string(BIOS_CRIT, STR) |
| #define print_err(STR) __console_tx_string(BIOS_ERR, STR) |
| #define print_warning(STR) __console_tx_string(BIOS_WARNING, STR) |
| #define print_notice(STR) __console_tx_string(BIOS_NOTICE, STR) |
| #define print_info(STR) __console_tx_string(BIOS_INFO, STR) |
| #define print_debug(STR) __console_tx_string(BIOS_DEBUG, STR) |
| #define print_spew(STR) __console_tx_string(BIOS_SPEW, STR) |
| |
| #define print_emerg_char(CH) __console_tx_char(BIOS_EMERG, CH) |
| #define print_alert_char(CH) __console_tx_char(BIOS_ALERT, CH) |
| #define print_crit_char(CH) __console_tx_char(BIOS_CRIT, CH) |
| #define print_err_char(CH) __console_tx_char(BIOS_ERR, CH) |
| #define print_warning_char(CH) __console_tx_char(BIOS_WARNING, CH) |
| #define print_notice_char(CH) __console_tx_char(BIOS_NOTICE, CH) |
| #define print_info_char(CH) __console_tx_char(BIOS_INFO, CH) |
| #define print_debug_char(CH) __console_tx_char(BIOS_DEBUG, CH) |
| #define print_spew_char(CH) __console_tx_char(BIOS_SPEW, CH) |
| |
| #define print_emerg_hex8(HEX) __console_tx_hex8(BIOS_EMERG, HEX) |
| #define print_alert_hex8(HEX) __console_tx_hex8(BIOS_ALERT, HEX) |
| #define print_crit_hex8(HEX) __console_tx_hex8(BIOS_CRIT, HEX) |
| #define print_err_hex8(HEX) __console_tx_hex8(BIOS_ERR, HEX) |
| #define print_warning_hex8(HEX) __console_tx_hex8(BIOS_WARNING, HEX) |
| #define print_notice_hex8(HEX) __console_tx_hex8(BIOS_NOTICE, HEX) |
| #define print_info_hex8(HEX) __console_tx_hex8(BIOS_INFO, HEX) |
| #define print_debug_hex8(HEX) __console_tx_hex8(BIOS_DEBUG, HEX) |
| #define print_spew_hex8(HEX) __console_tx_hex8(BIOS_SPEW, HEX) |
| |
| #define print_emerg_hex16(HEX) __console_tx_hex16(BIOS_EMERG, HEX) |
| #define print_alert_hex16(HEX) __console_tx_hex16(BIOS_ALERT, HEX) |
| #define print_crit_hex16(HEX) __console_tx_hex16(BIOS_CRIT, HEX) |
| #define print_err_hex16(HEX) __console_tx_hex16(BIOS_ERR, HEX) |
| #define print_warning_hex16(HEX) __console_tx_hex16(BIOS_WARNING, HEX) |
| #define print_notice_hex16(HEX) __console_tx_hex16(BIOS_NOTICE, HEX) |
| #define print_info_hex16(HEX) __console_tx_hex16(BIOS_INFO, HEX) |
| #define print_debug_hex16(HEX) __console_tx_hex16(BIOS_DEBUG, HEX) |
| #define print_spew_hex16(HEX) __console_tx_hex16(BIOS_SPEW, HEX) |
| |
| #define print_emerg_hex32(HEX) __console_tx_hex32(BIOS_EMERG, HEX) |
| #define print_alert_hex32(HEX) __console_tx_hex32(BIOS_ALERT, HEX) |
| #define print_crit_hex32(HEX) __console_tx_hex32(BIOS_CRIT, HEX) |
| #define print_err_hex32(HEX) __console_tx_hex32(BIOS_ERR, HEX) |
| #define print_warning_hex32(HEX) __console_tx_hex32(BIOS_WARNING, HEX) |
| #define print_notice_hex32(HEX) __console_tx_hex32(BIOS_NOTICE, HEX) |
| #define print_info_hex32(HEX) __console_tx_hex32(BIOS_INFO, HEX) |
| #define print_debug_hex32(HEX) __console_tx_hex32(BIOS_DEBUG, HEX) |
| #define print_spew_hex32(HEX) __console_tx_hex32(BIOS_SPEW, HEX) |
| #endif |
| |
| #endif |
| |
| #ifdef __ROMCC__ |
| /* 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> |
| #endif |
| |
| #endif /* CONSOLE_CONSOLE_H_ */ |