PatchworkOS  966e257
A non-POSIX operating system.
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fb.c File Reference
#include <kernel/drivers/abstract/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>
Include dependency graph for fb.c:

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_tfb_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_tfbDir = 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.

Here is the call graph for this function:

◆ 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.

◆ fb_dir_cleanup()

static void fb_dir_cleanup ( inode_t inode)
static

Definition at line 46 of file fb.c.

Here is the call graph for this function:

Variable Documentation

◆ newId

atomic_uint64_t newId = ATOMIC_VAR_INIT(0)
static

Definition at line 15 of file fb.c.

◆ fbDir

dentry_t* fbDir = NULL
static

Definition at line 17 of file fb.c.

◆ bufferOps

file_ops_t bufferOps
static
Initial value:
= {
.mmap = fb_buffer_mmap,
}
static void * fb_buffer_mmap(file_t *file, void *addr, uint64_t length, uint64_t *offset, pml_flags_t flags)
Definition fb.c:19

Definition at line 27 of file fb.c.

◆ infoOps

file_ops_t infoOps
static
Initial value:
= {
.read = fb_info_read,
}
static uint64_t fb_info_read(file_t *file, void *buffer, uint64_t count, uint64_t *offset)
Definition fb.c:31

Definition at line 42 of file fb.c.

◆ dirInodeOps

inode_ops_t dirInodeOps
static
Initial value:
= {
.cleanup = fb_dir_cleanup,
}
static void fb_dir_cleanup(inode_t *inode)
Definition fb.c:46

Definition at line 52 of file fb.c.