#include <kernel/log/log.h>
#include <kernel/cpu/cpu.h>
#include <kernel/cpu/smp.h>
#include <kernel/drivers/com.h>
#include <kernel/log/log_file.h>
#include <kernel/log/log_screen.h>
#include <kernel/sched/timer.h>
#include <kernel/sync/lock.h>
#include <boot/boot_info.h>
#include <kernel/version.h>
#include <stdarg.h>
#include <stdint.h>
#include <stdio.h>
#include <sys/io.h>
#include <sys/proc.h>

Functions
static void	log_splash (void)

void	log_init (const boot_gop_t *gop)
	Initialize the logging system.

void	log_screen_enable ()
	Enable logging to the screen.

void	log_screen_disable (void)
	Disable logging to the screen.

void	log_write (const char *string, uint64_t length)
	Write directly to the log outputs without any formatting or headers.

static void	log_print_header (log_level_t level, const char *prefix)

static void	log_handle_char (log_level_t level, const char *prefix, char chr)

uint64_t	log_print (log_level_t level, const char prefix, const char format,...)
	Print a formatted log message.

uint64_t	log_vprint (log_level_t level, const char prefix, const char format, va_list args)
	Print a formatted log message with a va_list.

Variables
static lock_t	lock = LOCK_CREATE

static char	lineBuffer [LOG_MAX_BUFFER] = {0}

static char	workingBuffer [LOG_MAX_BUFFER] = {0}

static log_output_t	outputs = 0

static log_level_t	minLevel = 0

static bool	isLastCharNewline = 0

static bool	firstHeaderPrinted = false

static const char *	levelNames []

Function Documentation

◆ log_handle_char()

static void log_handle_char	(	log_level_t	level,
		const char *	prefix,
		char	chr
	)

static

Definition at line 142 of file log.c.

References isLastCharNewline, log_print_header(), and log_write().

Referenced by log_vprint().

◆ log_print_header()

static void log_print_header	(	log_level_t	level,
		const char *	prefix
	)

static

Definition at line 113 of file log.c.

References CLOCKS_PER_SEC, firstHeaderPrinted, cpu_t::id, levelNames, LOG_LEVEL_PANIC, log_write(), NULL, smp_self_unsafe(), sprintf(), timer_uptime(), uptime(), and workingBuffer.

Referenced by log_handle_char().

◆ log_splash()

static void log_splash ( void )

static

Definition at line 38 of file log.c.

References levelNames, LOG_INFO, LOG_OUTPUT_FILE, LOG_OUTPUT_SCREEN, LOG_OUTPUT_SERIAL, minLevel, and outputs.

Referenced by log_init().

Variable Documentation

◆ firstHeaderPrinted

bool firstHeaderPrinted = false

static

Definition at line 27 of file log.c.

Referenced by log_print_header().

◆ isLastCharNewline

bool isLastCharNewline = 0

static

Definition at line 26 of file log.c.

Referenced by log_handle_char(), and log_init().

◆ levelNames

const char* levelNames[]

static

Initial value:

= {
    [LOG_LEVEL_DEBUG] = "D",
    [LOG_LEVEL_USER] = "U",
    [LOG_LEVEL_INFO] = "I",
    [LOG_LEVEL_WARN] = "W",
    [LOG_LEVEL_ERR] = "E",
    [LOG_LEVEL_PANIC] = "P",
}