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/*
* Epiphany CPU Dependent Source
*
* Copyright (c) 2015 University of York.
* Hesham ALMatary <hmka501@york.ac.uk>
*
* COPYRIGHT (c) 1989-1999.
* On-Line Applications Research Corporation (OAR).
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
*/
#include <rtems/score/cpu.h>
void _init(void);
void _fini(void);
void _init(void)
{
}
void _fini(void)
{
}
void _CPU_Exception_frame_print (const CPU_Exception_frame *ctx)
{
/* Do nothing */
}
/**
* @brief Performs processor dependent initialization.
*/
void _CPU_Initialize(void)
{
/* Do nothing */
}
void _CPU_ISR_Set_level(uint32_t level)
{
/* Do nothing */
}
uint32_t _CPU_ISR_Get_level( void )
{
/* Do nothing */
return 0;
}
void _CPU_ISR_install_raw_handler(
uint32_t vector,
proc_ptr new_handler,
proc_ptr *old_handler
)
{
/* Do nothing */
}
void _CPU_ISR_install_vector(
uint32_t vector,
proc_ptr new_handler,
proc_ptr *old_handler
)
{
/* Do nothing */
}
CPU_Counter_ticks _CPU_Counter_read( void )
{
static CPU_Counter_ticks counter;
CPU_Counter_ticks snapshot;
snapshot = counter;
counter = snapshot + 1;
return snapshot;
}
void *_CPU_Thread_Idle_body( uintptr_t ignored )
{
do {
__asm__ __volatile__ ("idle");
} while (1);
return NULL;
}
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