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authorJoel Sherrill <joel.sherrill@OARcorp.com>1995-08-23 19:30:23 +0000
committerJoel Sherrill <joel.sherrill@OARcorp.com>1995-08-23 19:30:23 +0000
commit3235ad9a2cd717df901853ad5220a4aaffae84a9 (patch)
treef73a01d8c3065188a3ab283cf545b3ce7bc4f696 /c/src/lib/libbsp/powerpc/papyrus/startup/bspstart.c
parentAdded file .. fixed RCS Id (diff)
downloadrtems-3235ad9a2cd717df901853ad5220a4aaffae84a9.tar.bz2
Support for variable length names added to Object Handler. This supports
both fixed length "raw" names and strings from the API's point of view. Both inline and macro implementations were tested.
Diffstat (limited to 'c/src/lib/libbsp/powerpc/papyrus/startup/bspstart.c')
-rw-r--r--c/src/lib/libbsp/powerpc/papyrus/startup/bspstart.c194
1 files changed, 194 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/powerpc/papyrus/startup/bspstart.c b/c/src/lib/libbsp/powerpc/papyrus/startup/bspstart.c
new file mode 100644
index 0000000000..a018c4cbfb
--- /dev/null
+++ b/c/src/lib/libbsp/powerpc/papyrus/startup/bspstart.c
@@ -0,0 +1,194 @@
+/* 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
+ *
+ * Author: Andrew Bray <andy@i-cubed.demon.co.uk>
+ *
+ * COPYRIGHT (c) 1995 by i-cubed ltd.
+ *
+ * To anyone who acknowledges that this file is provided "AS IS"
+ * without any express or implied warranty:
+ * permission to use, copy, modify, and distribute this file
+ * for any purpose is hereby granted without fee, provided that
+ * the above copyright notice and this notice appears in all
+ * copies, and that the name of i-cubed limited not be used in
+ * advertising or publicity pertaining to distribution of the
+ * software without specific, written prior permission.
+ * i-cubed limited makes no representations about the suitability
+ * of this software for any purpose.
+ *
+ * Derived from c/src/lib/libbsp/no_cpu/no_bsp/startup/bspstart.c:
+ *
+ * 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.
+ *
+ * bspstart.c,v 1.2 1995/05/31 16:56:29 joel Exp
+ */
+
+#include <rtems.h>
+#include <bsp.h>
+#include <shm.h>
+#include <libcsupport.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);
+
+ /*
+ * The last parameter to RTEMS_Malloc_Initialize is the "chunk"
+ * size which a multiple of will be requested on each sbrk()
+ * call by malloc(). A value of 0 indicates that sbrk() should
+ * not be called to extend the heap.
+ */
+
+ 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
+}
+
+void bsp_start(void)
+{
+ /*
+ * Allocate the memory for the RTEMS Work Space. This can come from
+ * a variety of places: hard coded address, malloc'ed from outside
+ * RTEMS world (e.g. simulator or primitive memory manager), or (as
+ * typically done by stock BSPs) by subtracting the required amount
+ * of work space from the last physical address on the CPU board.
+ */
+
+ /*
+ * Copy the Configuration Table .. so we can change it
+ */
+
+ 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 1 extension for stack checker
+ */
+
+#ifdef STACK_CHECKER_ON
+ BSP_Configuration.maximum_extensions++;
+#endif
+
+ /*
+ * Need to "allocate" the memory for the RTEMS Workspace and
+ * tell the RTEMS configuration where it is. This memory is
+ * not malloc'ed. It is just "pulled from the air".
+ */
+
+/*BSP_Configuration.work_space_size *= 4;*/
+
+ BSP_Configuration.work_space_start = (void *)
+ RAM_END - BSP_Configuration.work_space_size;
+
+ /*
+ * initialize the CPU table for this BSP
+ */
+
+ /*
+ * 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;
+
+ Cpu_table.idle_task = NULL; /* do not override system IDLE task */
+
+ Cpu_table.do_zero_of_workspace = TRUE;
+
+ Cpu_table.interrupt_stack_size = 4 * 1024;
+
+ Cpu_table.extra_system_initialization_stack = 0;
+
+ /*
+ * Don't forget the other CPU Table entries.
+ */
+
+ Cpu_table.clicks_per_usec = 10;
+
+ Cpu_table.serial_per_sec = 10000000;
+
+ Cpu_table.serial_external_clock = 1;
+
+ Cpu_table.serial_xon_xoff = 0;
+
+ Cpu_table.serial_cts_rts = 1;
+
+ Cpu_table.serial_rate = 9600;
+
+ Cpu_table.timer_average_overhead = 2;
+
+ Cpu_table.timer_least_valid = 3;
+
+ /*
+ * Start RTEMS
+ */
+
+ rtems_initialize_executive( &BSP_Configuration, &Cpu_table );
+
+ bsp_cleanup();
+}