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* Copyright (c) 2009 Vineeth Pillai
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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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* - 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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* 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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* @brief Definitions of machine specific functions.
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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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#include <arch/machine_func.h>
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/** Acquire console back for kernel. */
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void machine_grab_console(void)
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(machine_ops.machine_grab_console)();
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/** Return console to userspace. */
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void machine_release_console(void)
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(machine_ops.machine_release_console)();
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/** Maps HW devices to the kernel address space using #hw_map. */
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void machine_init(void)
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(machine_ops.machine_init)();
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void machine_timer_irq_start(void)
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(machine_ops.machine_timer_irq_start)();
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void machine_cpu_halt(void)
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(machine_ops.machine_cpu_halt)();
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/** Returns size of available memory.
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* @return Size of available memory.
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uintptr_t machine_get_memory_size(void)
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return (machine_ops.machine_get_memory_size)();
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/** Initializes the Frame Buffer
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void machine_fb_init(void)
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(machine_ops.machine_fb_init)();
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/** Interrupt exception handler.
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* @param exc_no Interrupt exception number.
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* @param istate Saved processor state.
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void machine_irq_exception(int exc_no, istate_t *istate)
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(machine_ops.machine_irq_exception)(exc_no, istate);
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/** Returns address of framebuffer device.
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* @return Address of framebuffer device.
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uintptr_t machine_get_fb_address(void)
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return (machine_ops.machine_get_fb_address)();
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* Machine specific frame initialization
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void machine_frame_init(void)
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(machine_ops.machine_frame_init)();
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* configure the output device.
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void machine_output_init(void)
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(machine_ops.machine_output_init)();
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* configure the input device.
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void machine_input_init(void)
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(machine_ops.machine_input_init)();
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* Generic function to use, if sepcific function doesn't define any of the above functions.
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void machine_genfunc()