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-rw-r--r--sys/kern/kern_device.c84
1 files changed, 0 insertions, 84 deletions
diff --git a/sys/kern/kern_device.c b/sys/kern/kern_device.c
deleted file mode 100644
index cbba965..0000000
--- a/sys/kern/kern_device.c
+++ /dev/null
@@ -1,84 +0,0 @@
-/*
- * Copyright (c) 2023-2024 Ian Marco Moffett and the Osmora Team.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the name of Hyra nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include <sys/device.h>
-#include <sys/queue.h>
-#include <sys/errno.h>
-#include <sys/types.h>
-#include <sys/spinlock.h>
-
-static TAILQ_HEAD(, device) devices;
-static struct spinlock devices_lock = {0};
-static bool device_list_init = false;
-
-dev_t
-device_alloc_major(void)
-{
- static dev_t major = 1;
- return major++;
-}
-
-struct device *
-device_fetch(dev_t major, dev_t minor)
-{
- struct device *dev;
-
- TAILQ_FOREACH(dev, &devices, link) {
- if (dev->major == major && dev->minor == minor) {
- return dev;
- }
- }
-
- return NULL;
-}
-
-dev_t
-device_create(struct device *dev, dev_t major, dev_t minor)
-{
- if (dev == NULL || minor == 0) {
- return -EINVAL;
- }
-
- if (major == 0) {
- return -EINVAL;
- }
-
- if (!device_list_init) {
- TAILQ_INIT(&devices);
- device_list_init = true;
- }
-
- dev->major = major;
- dev->minor = minor;
-
- spinlock_acquire(&devices_lock);
- TAILQ_INSERT_HEAD(&devices, dev, link);
- spinlock_release(&devices_lock);
- return dev->major;
-}