/*
 * Copyright (c) 2001-2004 Jakub Jermar
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - 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.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
 */

/** @addtogroup generic
 * @{
 */
/** @file
 */

#ifndef KERN_CONFIG_H_
#define KERN_CONFIG_H_

#include <arch/mm/page.h>
#include <macros.h>

#define STACK_FRAMES  2
#define STACK_SIZE    FRAMES2SIZE(STACK_FRAMES)

#define STACK_SIZE_USER  (1 * 1024 * 1024)

#define CONFIG_INIT_TASKS        32
#define CONFIG_TASK_NAME_BUFLEN  32
#define CONFIG_TASK_ARGUMENTS_BUFLEN 64

#ifndef __ASM__

#include <typedefs.h>

typedef struct {
	uintptr_t paddr;
	size_t size;
	char name[CONFIG_TASK_NAME_BUFLEN];
	char arguments[CONFIG_TASK_ARGUMENTS_BUFLEN];
} init_task_t;

typedef struct {
	size_t cnt;
	init_task_t tasks[CONFIG_INIT_TASKS];
} init_t;

/** Boot allocations.
 *
 * Allocatations made by the boot that are meant to be used by the kernel
 * are all recorded in the ballocs_t type.
 */
typedef struct {
	uintptr_t base;
	size_t size;
} ballocs_t;

typedef struct {
	/** Number of processors detected. */
	unsigned int cpu_count;
	/** Number of processors that are up and running. */
	volatile size_t cpu_active;
	
	uintptr_t base;
	/** Size of memory in bytes taken by kernel and stack. */
	size_t kernel_size;
	
	/** Base adddress of initial stack. */
	uintptr_t stack_base;
	/** Size of initial stack. */
	size_t stack_size;
	
	bool identity_configured;
	/** Base address of the kernel identity mapped memory. */
	uintptr_t identity_base;
	/** Size of the kernel identity mapped memory. */
	size_t identity_size;
	
	bool non_identity_configured;
	
	/** End of physical memory. */
	uint64_t physmem_end;
} config_t;

extern config_t config;
extern init_t init;
extern ballocs_t ballocs;

#endif /* __ASM__ */

#endif

/** @}
 */
