/* * 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. */ #ifndef CONSOLE_CONSOLE_H_ #define CONSOLE_CONSOLE_H_ #include #include #include /* console.h is supposed to provide the log levels defined in here: */ #include #define RAM_DEBUG (CONFIG(DEBUG_RAM_SETUP) ? BIOS_DEBUG : BIOS_NEVER) #define RAM_SPEW (CONFIG(DEBUG_RAM_SETUP) ? BIOS_SPEW : BIOS_NEVER) #include void post_code(u8 value); void arch_post_code(u8 value); void cmos_post_code(u8 value); #if CONFIG(CMOS_POST_EXTRA) struct device; void post_log_path(const struct device *dev); void post_log_clear(void); #else #define post_log_path(x) do {} while (0) #define post_log_clear() do {} while (0) #endif /* this function is weak and can be overridden by a mainboard function. */ void mainboard_post(u8 value); void __noreturn die(const char *fmt, ...); #define die_with_post_code(value, fmt, ...) \ do { post_code(value); die(fmt, ##__VA_ARGS__); } while (0) /* * This function is weak and can be overridden to provide additional * feedback to the user. Possible use case: Play a beep. */ void die_notify(void); #define __CONSOLE_ENABLE__ \ ((ENV_BOOTBLOCK && CONFIG(BOOTBLOCK_CONSOLE)) || \ (ENV_POSTCAR && CONFIG(POSTCAR_CONSOLE)) || \ ENV_VERSTAGE || ENV_ROMSTAGE || ENV_RAMSTAGE || ENV_LIBAGESA || \ (ENV_SMM && CONFIG(DEBUG_SMI))) #if __CONSOLE_ENABLE__ asmlinkage void console_init(void); int console_log_level(int msg_level); void do_putchar(unsigned char byte); /* Return number of microseconds elapsed from start of stage or the previous get_and_reset() call. */ long console_time_get_and_reset(void); void console_time_report(void); #define printk(LEVEL, fmt, args...) do_printk(LEVEL, fmt, ##args) #define vprintk(LEVEL, fmt, args) do_vprintk(LEVEL, fmt, args) enum { CONSOLE_LOG_NONE = 0, CONSOLE_LOG_FAST, CONSOLE_LOG_ALL }; #if CONFIG(CONSOLE_OVERRIDE_LOGLEVEL) /* * This function should be implemented at mainboard level. * The returned value will _replace_ the loglevel value; */ int get_console_loglevel(void); #else static inline int get_console_loglevel(void) { return CONFIG_DEFAULT_CONSOLE_LOGLEVEL; } #endif #else static inline void console_init(void) {} static inline int console_log_level(int msg_level) { return 0; } static inline void printk(int LEVEL, const char *fmt, ...) {} static inline void vprintk(int LEVEL, const char *fmt, va_list args) {} static inline void do_putchar(unsigned char byte) {} static inline long console_time_get_and_reset(void) { return 0; } static inline void console_time_report(void) {} #endif int do_printk(int msg_level, const char *fmt, ...) __attribute__((format(printf, 2, 3))); int do_vprintk(int msg_level, const char *fmt, va_list args); #endif /* CONSOLE_CONSOLE_H_ */