/* SPDX-License-Identifier: GPL-2.0-only */ #ifndef CONSOLE_CONSOLE_H_ #define CONSOLE_CONSOLE_H_ #include <commonlib/console/post_codes.h> #include <console/vtxprintf.h> #include <stdint.h> /* console.h is supposed to provide the log levels defined in here: */ #include <commonlib/loglevel.h> /* IWYU pragma: export */ #define RAM_DEBUG (CONFIG(DEBUG_RAM_SETUP) ? BIOS_DEBUG : BIOS_NEVER) #define RAM_SPEW (CONFIG(DEBUG_RAM_SETUP) ? BIOS_SPEW : BIOS_NEVER) void post_code(u8 value); void mainboard_post(u8 value); void arch_post_code(u8 value); void soc_post_code(uint8_t 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); #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 #define __CONSOLE_ENABLE__ \ ((ENV_BOOTBLOCK && CONFIG(BOOTBLOCK_CONSOLE)) || \ (ENV_POSTCAR && CONFIG(POSTCAR_CONSOLE)) || \ ENV_SEPARATE_VERSTAGE || ENV_ROMSTAGE || ENV_RAMSTAGE || \ ENV_LIBAGESA || (ENV_SMM && CONFIG(DEBUG_SMI))) #if __CONSOLE_ENABLE__ int get_log_level(void); void console_init(void); int console_log_level(int msg_level); int printk(int msg_level, const char *fmt, ...) __attribute__((format(printf, 2, 3))); int vprintk(int msg_level, const char *fmt, va_list args); 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); /* * "Fast" basically means only the CBMEM console right now. This is used to still * print debug messages there when loglevel disables the other consoles. It is also * used to compile-time eliminate code paths that only affect "interactive" consoles * (which are all "slow") when none of those are enabled. */ enum { CONSOLE_LOG_NONE = 0, CONSOLE_LOG_FAST, CONSOLE_LOG_ALL }; #define HAS_ONLY_FAST_CONSOLES !(CONFIG(SPKMODEM) || CONFIG(CONSOLE_QEMU_DEBUGCON) || \ CONFIG(CONSOLE_SERIAL) || CONFIG(CONSOLE_NE2K) || CONFIG(CONSOLE_USB) || \ CONFIG(EM100PRO_SPI_CONSOLE) || CONFIG(CONSOLE_SPI_FLASH) || \ CONFIG(CONSOLE_SYSTEM76_EC)) #else static inline int get_log_level(void) { return -1; } static inline void console_init(void) {} static inline int console_log_level(int msg_level) { return 0; } static inline int __attribute__((format(printf, 2, 3))) printk(int LEVEL, const char *fmt, ...) { return 0; } static inline int vprintk(int LEVEL, const char *fmt, va_list args) { return 0; } 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 #endif /* CONSOLE_CONSOLE_H_ */