/* * 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 #include #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 #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 #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 #include #if CONFIG_CONSOLE_NE2K #include "lib/ne2k.c" #endif /* __ROMCC__ */ static void __console_tx_byte(unsigned char byte) { uart_tx_byte(byte); #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) { uart_tx_byte(byte); #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 #include #include #endif #endif /* CONSOLE_CONSOLE_H_ */