/*
* Copyright (c) 2007 Michal Kebrt
* Copyright (c) 2009 Vineeth Pillai
* 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 kernel_arm32
* @{
*/
/** @file
* @brief Declarations of machine specific functions.
*
* These functions enable to differentiate more kinds of ARM emulators
* or CPUs. It's the same concept as "arch" functions on the architecture
* level.
*/
#ifndef KERN_arm32_MACHINE_FUNC_H_
#define KERN_arm32_MACHINE_FUNC_H_
#include <console/console.h>
#include <typedefs.h>
#include <arch/exception.h>
struct arm_machine_ops {
void (*machine_init)(void);
void (*machine_timer_irq_start)(void);
void (*machine_cpu_halt)(void);
void (*machine_get_memory_extents)(uintptr_t *, size_t *);
void (*machine_irq_exception)(unsigned int, istate_t *);
void (*machine_frame_init)(void);
void (*machine_output_init)(void);
void (*machine_input_init)(void);
size_t (*machine_get_irq_count)(void);
const char *(*machine_get_platform_name)(void);
};
/** Pointer to arm_machine_ops structure being used. */
extern struct arm_machine_ops *machine_ops;
/** Initialize machine_ops pointer. */
extern void machine_ops_init(void);
/** Maps HW devices to the kernel address space using #hw_map. */
extern void machine_init(void);
/** Starts timer. */
extern void machine_timer_irq_start(void);
/** Halts CPU. */
extern void machine_cpu_halt(void);
/** Get extents of available memory.
*
* @param start Place to store memory start address.
* @param size Place to store memory size.
*/
extern void machine_get_memory_extents(uintptr_t *start, size_t *size);
/** Interrupt exception handler.
*
* @param exc_no Interrupt exception number.
* @param istate Saved processor state.
*/
extern void machine_irq_exception(unsigned int exc_no, istate_t *istate);
/*
* Machine specific frame initialization
*/
extern void machine_frame_init(void);
/*
* configure the serial line output device.
*/
extern void machine_output_init(void);
/*
* configure the serial line input device.
*/
extern void machine_input_init(void);
extern size_t machine_get_irq_count(void);
extern const char *machine_get_platform_name(void);
#endif
/** @}
*/