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/* bsp_start()
*
* 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.
*
* INPUT: NONE
*
* OUTPUT: NONE
*
* COPYRIGHT (c) 1989-1997.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may in
* the file LICENSE in this distribution or at
* http://www.OARcorp.com/rtems/license.html.
*
* $Id$
*/
#include <string.h>
#include <fcntl.h>
#include <stdio.h>
#include <bsp.h>
#include <rtems/libio.h>
#include <rtems/libcsupport.h>
#define HEAP_SIZE 1024*1024*2
/*
* The original table from the application and our copy of it with
* some changes.
*/
extern int putnum(unsigned int);
extern rtems_configuration_table Configuration;
extern void bsp_postdriver_hook(void); /* defined in shared directory */
rtems_configuration_table BSP_Configuration;
rtems_cpu_table Cpu_table;
char *rtems_progname;
unsigned int top_of_used_memory;
/*
* Function: bsp_pretasking_hook
* Created: 95/03/10
*
* Description:
* BSP pretasking hook. Called just before drivers are initialized.
* Used to setup libc and install any BSP extensions.
*
* NOTES:
* Must not use libc (to do io) from here, since drivers are
* not yet initialized.
*
*/
void
bsp_pretasking_hook(void)
{
extern int end;
rtems_unsigned32 heap_start;
*(unsigned char *)(0x120f) = 0xd;
/* heap_start = (rtems_unsigned32) &end; */
heap_start = (rtems_unsigned32) top_of_used_memory;
if (heap_start & (CPU_ALIGNMENT-1))
heap_start = (heap_start + CPU_ALIGNMENT) & ~(CPU_ALIGNMENT-1);
bsp_libc_init((void *) heap_start, 64 * 1024, 0);
#ifdef RTEMS_DEBUG
rtems_debug_enable( RTEMS_DEBUG_ALL_MASK );
#endif
*(unsigned char *)(0x120f) = 0xf;
}
/* we need to have the top of memory remembered later to start libc_init with
the correct values
*/
int rx_boot_card( int argc, char **argv, char **environp)
{
extern int end;
top_of_used_memory = (rtems_unsigned32) &end + 0x1000;
if ((argc > 0) && argv && argv[0])
rtems_progname = argv[0];
else
rtems_progname = "RTEMS/RP";
boot_card(argc, argv);
}
bsp_start(void)
{
*(unsigned int *)OIMR_ADDR = 0xff; /* Mask all primary PCI Interrupts*/
Prcb = get_prcb();
Ctl_tbl = Prcb->control_tbl;
*(unsigned char *)(0x120f) = 8;
/*
* we do not use the pretasking_hook.
*/
Cpu_table.pretasking_hook = bsp_pretasking_hook; /* init libc, etc. */
Cpu_table.postdriver_hook = bsp_postdriver_hook;
Cpu_table.do_zero_of_workspace = TRUE;
Cpu_table.interrupt_stack_size = CONFIGURE_INTERRUPT_STACK_MEMORY;
Cpu_table.extra_mpci_receive_server_stack = 0;
/* just trying to get along */
Cpu_table.stack_allocate_hook = 0;
Cpu_table.stack_free_hook = 0;
/*
* Tell libio how many fd's we want and allow it to tweak config
*/
*(unsigned char *)(0x120f) = 0x09;
BSP_Configuration.work_space_start = (void *) top_of_used_memory;
top_of_used_memory += (BSP_Configuration.work_space_size + 0x1000);
*(unsigned char *)(0x120f) = 0x0a;
return 0;
}
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