forked from Imagelibrary/rtems
115 lines
2.6 KiB
C
115 lines
2.6 KiB
C
/*
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* Epiphany CPU Dependent Source
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*
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* Copyright (c) 2015 University of York.
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* Hesham ALMatary <hmka501@york.ac.uk>
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*
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* COPYRIGHT (c) 1989-1999.
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* On-Line Applications Research Corporation (OAR).
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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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* 1. 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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* 2. 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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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <rtems/system.h>
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#include <rtems/score/isr.h>
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#include <rtems/score/wkspace.h>
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#include <bsp/linker-symbols.h>
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#include <rtems/score/cpu.h>
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void init(void);
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void fini(void);
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void _init()
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{
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}
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void _fini()
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{
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}
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void _CPU_Exception_frame_print (const CPU_Exception_frame *ctx)
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{
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/* Do nothing */
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}
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/**
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* @brief Performs processor dependent initialization.
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*/
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void _CPU_Initialize(void)
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{
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/* Do nothing */
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}
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void _CPU_ISR_Set_level(uint32_t level)
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{
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/* Do nothing */
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}
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uint32_t _CPU_ISR_Get_level( void )
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{
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/* Do nothing */
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return 0;
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}
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void _CPU_ISR_install_raw_handler(
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uint32_t vector,
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proc_ptr new_handler,
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proc_ptr *old_handler
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)
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{
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/* Do nothing */
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}
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void _CPU_ISR_install_vector(
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uint32_t vector,
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proc_ptr new_handler,
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proc_ptr *old_handler
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)
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{
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/* Do nothing */
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}
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void _CPU_Install_interrupt_stack( void )
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{
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/* Do nothing */
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}
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CPU_Counter_ticks _CPU_Counter_read( void )
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{
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static CPU_Counter_ticks counter;
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CPU_Counter_ticks snapshot;
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snapshot = counter;
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counter = snapshot + 1;
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return snapshot;
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}
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void *_CPU_Thread_Idle_body( uintptr_t ignored )
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{
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do {
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__asm__ __volatile__ ("idle");
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} while (1);
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return NULL;
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}
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