fb.c File Reference

#include <kernel/drivers/abstractions/fb.h>
#include <kernel/fs/file.h>
#include <kernel/fs/sysfs.h>
#include <kernel/fs/vfs.h>
#include <kernel/log/log.h>
#include <kernel/sched/thread.h>
#include <assert.h>
#include <stdatomic.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/fb.h>

Go to the source code of this file.

Functions
static void *	fb_buffer_mmap (file_t *file, void *addr, uint64_t length, uint64_t *offset, pml_flags_t flags)
static uint64_t	fb_info_read (file_t *file, void *buffer, uint64_t count, uint64_t *offset)
static void	fb_dir_cleanup (inode_t *inode)
fb_t *	fb_new (const fb_info_t *info, fb_mmap_t mmap)
	Allocate and initialize a framebuffer structure.
void	fb_free (fb_t *fb)
	Free and deinitialize a framebuffer structure.

Variables
static atomic_uint64_t	newId = ATOMIC_VAR_INIT(0)
static dentry_t *	fbDir = NULL
static file_ops_t	bufferOps
static file_ops_t	infoOps
static inode_ops_t	dirInodeOps

Function Documentation

fb_buffer_mmap()

static void * fb_buffer_mmap ( file_t *  file, void *  addr, uint64_t  length, uint64_t *  offset, pml_flags_t  flags  )

static

Definition at line 19 of file fb.c.

References fb, file, dentry_t::inode, log_screen_disable(), fb_t::mmap, and inode_t::private.

fb_dir_cleanup()

static void fb_dir_cleanup ( inode_t *  inode )

static

Definition at line 46 of file fb.c.

References fb, free(), and inode_t::private.

fb_info_read()

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

static

Definition at line 31 of file fb.c.

References buffer, BUFFER_READ, count, fb, file, fb_t::info, dentry_t::inode, and inode_t::private.

Variable Documentation

bufferOps

file_ops_t bufferOps

static

Initial value:

= {
    .mmap = fb_buffer_mmap,
}

Definition at line 27 of file fb.c.

Referenced by fb_new().

dirInodeOps

inode_ops_t dirInodeOps

static

Initial value:

= {
    .cleanup = fb_dir_cleanup,
}

Definition at line 52 of file fb.c.

Referenced by fb_new().

fbDir

dentry_t* fbDir = NULL

static

Definition at line 17 of file fb.c.

Referenced by fb_new().

infoOps

file_ops_t infoOps

static

Initial value:

= {
    .read = fb_info_read,
}

Definition at line 42 of file fb.c.

Referenced by fb_new().

newId

atomic_uint64_t newId = ATOMIC_VAR_INIT(0)

static

Definition at line 15 of file fb.c.

Referenced by fb_new(), and smp_others_init().