From 68c498f47761a00aee669aeb52a8e473c4d802ba Mon Sep 17 00:00:00 2001 From: Joel Sherrill Date: Mon, 12 Jun 2000 16:34:46 +0000 Subject: Added i960sim BSP which (ignoring the 3 instructions not supported by gdb 5.0's i960 simulator) is enough to run hello world. --- c/src/lib/libbsp/i960/i960sim/startup/bspstart.c | 95 ++++++++++++++++++++++++ 1 file changed, 95 insertions(+) create mode 100644 c/src/lib/libbsp/i960/i960sim/startup/bspstart.c (limited to 'c/src/lib/libbsp/i960/i960sim/startup/bspstart.c') diff --git a/c/src/lib/libbsp/i960/i960sim/startup/bspstart.c b/c/src/lib/libbsp/i960/i960sim/startup/bspstart.c new file mode 100644 index 0000000000..f93fb3c6b9 --- /dev/null +++ b/c/src/lib/libbsp/i960/i960sim/startup/bspstart.c @@ -0,0 +1,95 @@ +/* + * 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. + * + * 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.OARcorp.com/rtems/license.html. + * + * $Id$ + */ + +#include +#include + +#include + +#include + +/* + * The original table from the application and our copy of it with + * some changes. + */ + +extern rtems_configuration_table Configuration; + +rtems_configuration_table BSP_Configuration; + +rtems_cpu_table Cpu_table; + +char *rtems_progname; + +/* + * Use the shared implementations of the following routines + */ + +void bsp_postdriver_hook(void); +void bsp_libc_init( void *, unsigned32, int ); + +/* + * 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 HeapBase; + extern int HeapSize; + void *heapStart = &HeapBase; + unsigned long heapSize = (unsigned long)&HeapSize; + unsigned long ramSpace; + + bsp_libc_init(heapStart, heapSize, 0); + +#ifdef RTEMS_DEBUG + rtems_debug_enable( RTEMS_DEBUG_ALL_MASK ); +#endif + +} + +/* + * bsp_start + * + * This routine does the bulk of the system initialization. + */ + +void bsp_start( void ) +{ + extern int _end; + extern int WorkspaceBase; + /* Configure Number of Register Caches */ + + Cpu_table.pretasking_hook = bsp_pretasking_hook; /* init libc, etc. */ + Cpu_table.postdriver_hook = bsp_postdriver_hook; + Cpu_table.interrupt_stack_size = 4096; + Cpu_table.Prcb = 0; /* Prcb; */ + + if ( BSP_Configuration.work_space_size >(512*1024) ) + _sys_exit( 1 ); + + BSP_Configuration.work_space_start = (void *) &WorkspaceBase; +} -- cgit v1.2.3