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-rw-r--r--sys/include/sys/driver.h58
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diff --git a/sys/include/sys/driver.h b/sys/include/sys/driver.h
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+/*
+ * 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.
+ */
+
+#ifndef _SYS_DRIVER_H_
+#define _SYS_DRIVER_H_
+
+#include <sys/cdefs.h>
+
+#if defined(_KERNEL)
+
+struct driver {
+ int(*init)(void);
+};
+
+extern char __drivers_init_start[];
+extern char __drivers_init_end[];
+
+#define DRIVER_EXPORT(INIT) \
+ __attribute__((used, section(".drivers"))) \
+ static struct driver __driver_desc = { \
+ .init = INIT, \
+ }
+
+#define DRIVERS_INIT() \
+ for (struct driver *__d = (struct driver *)__drivers_init_start; \
+ (uintptr_t)__d < (uintptr_t)__drivers_init_end; ++__d) \
+ { \
+ __d->init(); \
+ }
+#endif /* _KERNEL */
+#endif /* !_SYS_DRIVER_H_ */
+