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-rw-r--r--c/src/lib/libbsp/i960/cvme961/startup/bspstart.c163
1 files changed, 163 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/i960/cvme961/startup/bspstart.c b/c/src/lib/libbsp/i960/cvme961/startup/bspstart.c
new file mode 100644
index 0000000000..afb9b7e733
--- /dev/null
+++ b/c/src/lib/libbsp/i960/cvme961/startup/bspstart.c
@@ -0,0 +1,163 @@
+/* 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, 1990, 1991, 1992, 1993, 1994.
+ * On-Line Applications Research Corporation (OAR).
+ * All rights assigned to U.S. Government, 1994.
+ *
+ * This material may be reproduced by or for the U.S. Government pursuant
+ * to the copyright license under the clause at DFARS 252.227-7013. This
+ * notice must appear in all copies of this file and its derivatives.
+ *
+ * $Id$
+ */
+
+#include <rtems.h>
+#include <bsp.h>
+#include "libcsupport.h"
+
+
+#include "stackchk.h"
+
+/*
+ * 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;
+
+/* Initialize whatever libc we are using
+ * called from postdriver hook
+ */
+
+void bsp_libc_init()
+{
+ extern int end;
+ rtems_unsigned32 heap_start;
+
+ heap_start = (rtems_unsigned32) &end;
+ if (heap_start & (CPU_ALIGNMENT-1))
+ heap_start = (heap_start + CPU_ALIGNMENT) & ~(CPU_ALIGNMENT-1);
+
+ RTEMS_Malloc_Initialize((void *) heap_start, 64 * 1024, 0);
+
+ /*
+ * Set up for the libc handling.
+ */
+
+ if (BSP_Configuration.ticks_per_timeslice > 0)
+ libc_init(1); /* reentrant if possible */
+ else
+ libc_init(0); /* non-reentrant */
+ /*
+ * Initialize the stack bounds checker
+ */
+
+#ifdef STACK_CHECKER_ON
+ Stack_check_Initialize();
+#endif
+}
+
+int bsp_start(
+ int argc,
+ char **argv,
+ char **environp
+)
+{
+ /* set node number in SQSIO4 CTL REG */
+
+ *((rtems_unsigned32 *)0xc00000b0) =
+ (Configuration.User_multiprocessing_table) ?
+ Configuration.User_multiprocessing_table->node : 0;
+
+ Prcb = get_prcb();
+ Ctl_tbl = Prcb->control_tbl;
+
+ /* following configures the data breakpoint (which must be set
+ * before this is executed) to break on writes only.
+ */
+
+ Ctl_tbl->bpcon &= ~0x00cc0000;
+ i960_reload_ctl_group( 6 );
+
+ /* bit 31 of the Register Cache Control can be set to
+ * enable an alternative caching algorithm. It does
+ * not appear to help RTEMS.
+ */
+
+ /* Configure Number of Register Caches */
+
+ Prcb->reg_cache_cfg = 8;
+ i960_soft_reset( Prcb );
+
+ /*
+ * we do not use the pretasking_hook.
+ */
+
+ Cpu_table.pretasking_hook = NULL;
+
+ Cpu_table.predriver_hook = bsp_libc_init; /* RTEMS resources available */
+
+ Cpu_table.postdriver_hook = NULL; /* Call our main() for constructors */
+
+ Cpu_table.idle_task = NULL; /* do not override system IDLE task */
+
+ Cpu_table.do_zero_of_workspace = TRUE;
+
+ Cpu_table.interrupt_stack_size = 4096;
+
+ Cpu_table.extra_system_initialization_stack = 0;
+
+ Cpu_table.Prcb = Prcb;
+
+ /*
+ * Copy the table
+ */
+
+ BSP_Configuration = Configuration;
+
+ /*
+ * Add 1 region for the RTEMS Malloc
+ */
+
+ BSP_Configuration.maximum_regions++;
+
+ /*
+ * Add 1 extension for newlib libc
+ */
+
+#ifdef RTEMS_NEWLIB
+ BSP_Configuration.maximum_extensions++;
+#endif
+
+ /*
+ * Add another extension if using the stack checker
+ */
+
+#ifdef STACK_CHECKER_ON
+ BSP_Configuration.maximum_extensions++;
+#endif
+
+ BSP_Configuration.work_space_start = (void *)
+ (RAM_END - BSP_Configuration.work_space_size);
+
+ rtems_initialize_executive( &BSP_Configuration, &Cpu_table );
+ /* does not return */
+
+ bsp_cleanup();
+
+ return 0;
+
+}