source: mainline/kernel/arch/arm32/src/machine_func.c@ ba0aa6f

/*
 * 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 arm32
 * @{
 */
/** @file
 *  @brief Definitions 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.
 */

#include <arch/machine_func.h>


/** Acquire console back for kernel. */
void machine_grab_console(void)
{
        (machine_ops.machine_grab_console)();
}

/** Return console to userspace. */
void machine_release_console(void)
{
        (machine_ops.machine_release_console)();
}


/** Maps HW devices to the kernel address space using #hw_map. */
void machine_init(void)
{
        (machine_ops.machine_init)();
}


/** Starts timer. */
void machine_timer_irq_start(void)
{
        (machine_ops.machine_timer_irq_start)();
}


/** Halts CPU. */
void machine_cpu_halt(void)
{
        (machine_ops.machine_cpu_halt)();
}


/** Returns size of available memory.
 *
 *  @return Size of available memory.
 */
uintptr_t machine_get_memory_size(void)
{
        return (machine_ops.machine_get_memory_size)();
}

/** Initializes the Frame Buffer
 *
 */
void machine_fb_init(void)
{
        (machine_ops.machine_fb_init)();
}


/** Interrupt exception handler.
 *
 * @param exc_no Interrupt exception number.
 * @param istate Saved processor state.
 */
void machine_irq_exception(int exc_no, istate_t *istate)
{
        (machine_ops.machine_irq_exception)(exc_no, istate);
}


/** Returns address of framebuffer device.
 *
 *  @return Address of framebuffer device.
 */
uintptr_t machine_get_fb_address(void)
{
        return (machine_ops.machine_get_fb_address)();
}

/*
 * Machine specific frame initialization
 */
void machine_frame_init(void)
{
        (machine_ops.machine_frame_init)();
}

/*
 * configure the output device.
 */
void machine_output_init(void)
{
        (machine_ops.machine_output_init)();
}

/*
 * configure the input device.
 */
void machine_input_init(void)
{
        (machine_ops.machine_input_init)();
}

/*
 * Generic function to use, if sepcific function doesn't define any of the above functions.
 */
void machine_genfunc()
{
}

/** @}
 */