log.c File Reference

#include <kernel/fs/devfs.h>
#include <kernel/fs/file.h>
#include <kernel/log/log.h>
#include <kernel/cpu/cpu.h>
#include <kernel/drivers/com.h>
#include <kernel/init/boot_info.h>
#include <kernel/log/screen.h>
#include <kernel/sched/clock.h>
#include <kernel/sched/timer.h>
#include <kernel/sched/wait.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 <string.h>
#include <sys/fs.h>
#include <sys/math.h>
#include <sys/proc.h>

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Functions
static size_t	klog_read (file_t *file, void *buffer, size_t count, size_t *offset)
static size_t	klog_write (file_t *file, const void *buffer, size_t count, size_t *offset)
static void	log_splash (void)
void	log_init (void)
	Initialize the logging system.
void	log_expose (void)
	Expose kernel logs via the /dev/klog file.
static void	log_write (const char *string, uint64_t length)
static void	log_print_header (log_level_t level)
static void	log_handle_char (log_level_t level, char chr)
void	log_nprint (log_level_t level, const char *string, uint64_t length)
	Print a unformatted log message.
void	log_print (log_level_t level, const char *format,...)
	Print a formatted log message.
void	log_vprint (log_level_t level, const char *format, va_list args)
	Print a formatted log message with a va_list.

Variables
static lock_t	lock = LOCK_CREATE()
static char	klogBuffer [CONFIG_KLOG_SIZE]
static uint64_t	klogHead = 0
static dentry_t *	klog = NULL
static char	lineBuffer [LOG_MAX_BUFFER] = {0}
static char	workingBuffer [LOG_MAX_BUFFER] = {0}
static bool	isLastCharNewline = false
static bool	firstHeaderPrinted = false
static const char *	levelNames []
static file_ops_t	klogOps

Function Documentation

klog_read()

static size_t klog_read ( file_t *  file, void *  buffer, size_t  count, size_t *  offset  )

static

Definition at line 45 of file log.c.

klog_write()

static size_t klog_write ( file_t *  file, const void *  buffer, size_t  count, size_t *  offset  )

static

Definition at line 69 of file log.c.

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log_splash()

static void log_splash ( void  )

static

Definition at line 83 of file log.c.

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log_write()

static void log_write ( const char *  string, uint64_t  length  )

static

Definition at line 128 of file log.c.

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log_print_header()

static void log_print_header ( log_level_t  level )

static

Definition at line 145 of file log.c.

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log_handle_char()

static void log_handle_char ( log_level_t  level, char  chr  )

static

Definition at line 172 of file log.c.

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Variable Documentation

lock

lock_t lock = LOCK_CREATE()

static

Definition at line 25 of file log.c.

klogBuffer

char klogBuffer[CONFIG_KLOG_SIZE]

static

Definition at line 27 of file log.c.

klogHead

uint64_t klogHead = 0

static

Definition at line 28 of file log.c.

klog

dentry_t* klog = NULL

static

Definition at line 29 of file log.c.

lineBuffer

char lineBuffer[LOG_MAX_BUFFER] = {0}

static

Definition at line 31 of file log.c.

workingBuffer

char workingBuffer[LOG_MAX_BUFFER] = {0}

static

Definition at line 32 of file log.c.

isLastCharNewline

bool isLastCharNewline = false

static

Definition at line 33 of file log.c.

firstHeaderPrinted

bool firstHeaderPrinted = false

static

Definition at line 34 of file log.c.

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",
}

Definition at line 36 of file log.c.

klogOps

file_ops_t klogOps

static

Initial value:

= {
    .read = klog_read,
    .write = klog_write,
}

Definition at line 78 of file log.c.