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/*

 * Copyright (c) 2007 Michal Kebrt

 * 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 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_H_

#define KERN_arm32_MACHINE_H_

#include <console/console.h>

#include <arch/types.h>

#include <arch/exception.h>

#ifdef MACHINE_GXEMUL_TESTARM   

#include <arch/drivers/gxemul.h>

#endif

#ifdef MACHINE_QEMU_ICP

#include <arch/drivers/qemu.h>

#endif

/** Initializes console.

 *

 * @param devno Console device number.

 */

extern void machine_console_init(devno_t devno);

/** Acquire console back for kernel. */

extern void machine_grab_console(void);

/** Return console to userspace. */

extern void machine_release_console(void);

/** Maps HW devices to the kernel address space using #hw_map. */

extern void machine_hw_map_init(void);

/** Starts timer. */

extern void machine_timer_irq_start(void);

/** Halts CPU. */

extern void machine_cpu_halt(void);

/** Returns size of available memory.

 *

 *  @return Size of available memory.

 */

extern size_t machine_get_memory_size(void);

/** Prints a character.

 *

 *  @param ch Character to be printed.

 */

extern void machine_debug_putc(char ch);

/** Initializes the Frame Buffer

 *

 */

extern void machine_fb_init(void);

/** Interrupt exception handler.

 *

 * @param exc_no Interrupt exception number.

 * @param istate Saved processor state.

 */

extern void machine_irq_exception(int exc_no, istate_t *istate);

/** Returns address of framebuffer device.

 *

 *  @return Address of framebuffer device.

 */

extern uintptr_t machine_get_fb_address(void);

#ifdef MACHINE_GXEMUL_TESTARM   

#define machine_console_init(devno)           gxemul_console_init(devno)

#define machine_grab_console                  gxemul_grab_console

#define machine_release_console               gxemul_release_console 

#define machine_hw_map_init                   gxemul_hw_map_init

#define machine_timer_irq_start               gxemul_timer_irq_start

#define machine_cpu_halt                      gxemul_cpu_halt

#define machine_get_memory_size               gxemul_get_memory_size

#define machine_debug_putc(ch)                gxemul_debug_putc(ch)

#define machine_irq_exception(exc_no, istate) \

        gxemul_irq_exception(exc_no, istate)

#define machine_get_fb_address                gxemul_get_fb_address

#define machine_fb_init               gxemul_fb_init

#endif

#ifdef MACHINE_QEMU_ICP     

#define machine_console_init(devno)           qemu_icp_console_init(devno)

#define machine_grab_console                  qemu_icp_grab_console

#define machine_release_console               qemu_icp_release_console 

#define machine_hw_map_init                   qemu_icp_hw_map_init

#define machine_timer_irq_start               qemu_icp_timer_irq_start

#define machine_cpu_halt                      qemu_icp_cpu_halt

#define machine_get_memory_size               qemu_icp_get_memory_size

#define machine_debug_putc(ch)                qemu_icp_debug_putc(ch)

#define machine_irq_exception(exc_no, istate) \

        qemu_icp_irq_exception(exc_no, istate)

#define machine_get_fb_address                qemu_icp_get_fb_address

#define machine_fb_init               qemu_icp_fb_init

#endif

#endif

/** @}

 */