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2274 kebrt 1 
/*
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 * Copyright (c) 2007 Michal Kebrt
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 *
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 * - Redistributions of source code must retain the above copyright
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 *   notice, this list of conditions and the following disclaimer.
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 * - Redistributions in binary form must reproduce the above copyright
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 *   notice, this list of conditions and the following disclaimer in the
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 *   documentation and/or other materials provided with the distribution.
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 * - The name of the author may not be used to endorse or promote products
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 *   derived from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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/** @addtogroup arm32
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 * @{
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 */
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/** @file
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 *  @brief Declarations of machine specific functions.
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 *
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 *  These functions enable to differentiate more kinds of ARM emulators
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 *  or CPUs. It's the same concept as "arch" functions on the architecture
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 *  level.
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 */
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#ifndef KERN_arm32_MACHINE_H_
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#define KERN_arm32_MACHINE_H_
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#include <console/console.h>
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#include <arch/types.h>
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#include <arch/exception.h>
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#include <arch/drivers/gxemul.h>
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/** Initializes console.
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 *
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 * @param devno Console device number.
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 */
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extern void machine_console_init(devno_t devno);
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/** Acquire console back for kernel. */
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extern void machine_grab_console(void);
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/** Return console to userspace. */
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extern void machine_release_console(void);
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/** Maps HW devices to the kernel address space using #hw_map. */
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extern void machine_hw_map_init(void);
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/** Starts timer. */
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extern void machine_timer_irq_start(void);
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/** Halts CPU. */
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extern void machine_cpu_halt(void);
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/** Returns size of available memory.
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 *
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 *  @return Size of available memory.
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 */
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extern size_t machine_get_memory_size(void);
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/** Prints a character.
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 *
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 *  @param ch Character to be printed.
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 */
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extern void machine_debug_putc(char ch);
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/** Interrupt exception handler.
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 *
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 * @param exc_no Interrupt exception number.
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 * @param istate Saved processor state.
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 */
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extern void machine_irq_exception(int exc_no, istate_t *istate);
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/** Returns address of framebuffer device.
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 *
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 *  @return Address of framebuffer device.
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 */
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extern uintptr_t machine_get_fb_address(void);
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#ifdef MACHINE_GXEMUL_TESTARM  
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#define machine_console_init(devno)           gxemul_console_init(devno)
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#define machine_grab_console                  gxemul_grab_console
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#define machine_release_console               gxemul_release_console
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#define machine_hw_map_init                   gxemul_hw_map_init
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#define machine_timer_irq_start               gxemul_timer_irq_start
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#define machine_cpu_halt                      gxemul_cpu_halt
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#define machine_get_memory_size               gxemul_get_memory_size
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#define machine_debug_putc(ch)                gxemul_debug_putc(ch)
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#define machine_irq_exception(exc_no, istate) \
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        gxemul_irq_exception(exc_no, istate)
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#define machine_get_fb_address                gxemul_get_fb_address
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#endif
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#endif
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/** @}
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 */