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/*
* This routine starts the application. It includes application,
* board, and monitor specific initialization and configuration.
* The generic CPU dependent initialization has been performed
* before this routine is invoked.
*
* Called by RTEMS::RTEMS constructor in startup-ctor.cc
*
* COPYRIGHT (c) 1989-1999.
* 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.
*
* $Id$
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <bsp.h>
#include <rtems/libcsupport.h>
/*
* Amount to increment itimer by each pass
* It is a variable instead of a #define to allow the 'looptest'
* script to bump it without recompiling rtems
*/
uint32_t CPU_CLICKS_PER_TICK;
/*
* bsp_start
*
* This routine does the bulk of the system initialization.
*/
void bsp_start(void)
{
cpu_number = 0;
#if defined(RTEMS_MULTIPROCESSING)
/*
* If the node number is -1 then the application better provide
* it through environment variables RTEMS_NODE.
* Ditto for RTEMS_MAXIMUM_NODES
*/
if (Configuration.User_multiprocessing_table) {
char *p;
if (Configuration.User_multiprocessing_table->node == -1) {
p = getenv("RTEMS_NODE");
Configuration.User_multiprocessing_table->node = p ? atoi(p) : 1;
}
/* If needed provide maximum_nodes also */
if (Configuration.User_multiprocessing_table->maximum_nodes == -1) {
p = getenv("RTEMS_MAXIMUM_NODES");
Configuration.User_multiprocessing_table->maximum_nodes = p ? atoi(p) : 1;
}
}
/*
* Set cpu_number to accurately reflect our cpu number
*/
if (Configuration.User_multiprocessing_table)
cpu_number = Configuration.User_multiprocessing_table->node - 1;
#endif
CPU_CLICKS_PER_TICK = 1;
}
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