log_file.c File Reference

#include "gnu-efi/inc/x86_64/efibind.h"
#include <kernel/log/log_file.h>
#include <kernel/fs/file.h>
#include <kernel/fs/sysfs.h>
#include <kernel/log/log.h>
#include <kernel/log/log_screen.h>
#include <kernel/log/panic.h>
#include <kernel/sched/wait.h>
#include <kernel/utils/ring.h>
#include <stdlib.h>
#include <sys/io.h>

Include dependency graph for log_file.c:

Go to the source code of this file.

Functions
static uint64_t	log_file_op_read (file_t *file, void *buffer, uint64_t count, uint64_t *offset)
static uint64_t	log_file_op_write (file_t *file, const void *buffer, uint64_t count, uint64_t *offset)
static wait_queue_t *	log_file_op_poll (file_t *file, poll_events_t *revents)
void	log_file_expose (void)
	Expose the kernel log file to userspace in sysfs.
static void	log_file_advance_fake_cursor (char chr, uint64_t *lineLength, uint64_t *lineCount)
void	log_file_flush_to_screen (void)
	Flush the content of the log file to the screen.
void	log_file_write (const char *string, uint64_t length)
	Write a string to the kernel log file.

Variables
static lock_t	lock = LOCK_CREATE()
static wait_queue_t	waitQueue = WAIT_QUEUE_CREATE(waitQueue)
static char	workingBuffer [LOG_FILE_MAX_BUFFER] = {0}
static char	buffer [LOG_FILE_MAX_BUFFER] = {0}
static ring_t	ring = RING_CREATE(buffer, sizeof(buffer))
static dentry_t *	file = NULL
static file_ops_t	logFileOps

Function Documentation

log_file_op_read()

static uint64_t log_file_op_read ( file_t *  file, void *  buffer, uint64_t  count, uint64_t *  offset  )

static

Definition at line 24 of file log_file.c.

Here is the call graph for this function:

log_file_op_write()

static uint64_t log_file_op_write ( file_t *  file, const void *  buffer, uint64_t  count, uint64_t *  offset  )

static

Definition at line 34 of file log_file.c.

Here is the call graph for this function:

log_file_op_poll()

static wait_queue_t * log_file_op_poll ( file_t *  file, poll_events_t *  revents  )

static

Definition at line 43 of file log_file.c.

log_file_advance_fake_cursor()

static void log_file_advance_fake_cursor ( char  chr, uint64_t *  lineLength, uint64_t *  lineCount  )

static

Definition at line 71 of file log_file.c.

Here is the call graph for this function:

Here is the caller graph for this function:

Variable Documentation

lock

lock_t lock = LOCK_CREATE()

static

Definition at line 15 of file log_file.c.

waitQueue

wait_queue_t waitQueue = WAIT_QUEUE_CREATE(waitQueue)

static

Definition at line 17 of file log_file.c.

workingBuffer

char workingBuffer[LOG_FILE_MAX_BUFFER] = {0}

static

Definition at line 19 of file log_file.c.

buffer

char buffer[LOG_FILE_MAX_BUFFER] = {0}

static

Definition at line 20 of file log_file.c.

ring

ring_t ring = RING_CREATE(buffer, sizeof(buffer))

static

Definition at line 21 of file log_file.c.

file

dentry_t* file = NULL

static

Definition at line 22 of file log_file.c.

logFileOps

file_ops_t logFileOps

static

Initial value:

= {
    .read = log_file_op_read,
    .write = log_file_op_write,
    .poll = log_file_op_poll,
}

Definition at line 56 of file log_file.c.