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/*
* RTEMS SMP Support for Single Core
*
* COPYRIGHT (c) 1989-2013.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*/
#include <rtems.h>
#include <rtems/bspIo.h>
#include <rtems/bspsmp.h>
#include <stdlib.h>
uint32_t Schedsim_Current_cpu;
extern uint32_t Schedsim_Maximum_CPUs_From_Command_Line;
void bsp_smp_secondary_cpu_initialize(int cpu)
{
Schedsim_Current_cpu = 0;
}
int bsp_smp_processor_id(void)
{
return Schedsim_Current_cpu;
}
uint32_t bsp_smp_initialize(
uint32_t configured_cpu_count
)
{
if ( configured_cpu_count < Schedsim_Maximum_CPUs_From_Command_Line ) {
printf(
"ERROR - Maximum cores per confdefs.h is %d\n",
configured_cpu_count
);
exit( 1 );
}
/* return the number of CPUs */
return Schedsim_Maximum_CPUs_From_Command_Line;
}
void bsp_smp_broadcast_interrupt(void)
{
}
void bsp_smp_broadcast_message(
uint32_t message
)
{
}
void bsp_smp_interrupt_cpu(
int cpu
)
{
}
void bsp_smp_delay( int max )
{
}
void bsp_smp_wait_for(
volatile unsigned int *address,
unsigned int desired,
int maximum_usecs
)
{
int iterations;
volatile int i;
volatile unsigned int *p = address;
for (iterations=0 ; iterations < maximum_usecs ; iterations++ ) {
*p = desired;
/* XXX hack to make simulator happy */
}
}
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