summaryrefslogtreecommitdiffstats
path: root/c/src/lib/libbsp/i960/i960sim/startup
diff options
context:
space:
mode:
authorJoel Sherrill <joel.sherrill@OARcorp.com>2000-06-12 16:34:46 +0000
committerJoel Sherrill <joel.sherrill@OARcorp.com>2000-06-12 16:34:46 +0000
commit68c498f47761a00aee669aeb52a8e473c4d802ba (patch)
tree79d2517b87d95d739067c9b3764cc6f02496c649 /c/src/lib/libbsp/i960/i960sim/startup
parentMerge lossage. Apparently the DOS/UNIX CRLF issue got lost. (diff)
downloadrtems-68c498f47761a00aee669aeb52a8e473c4d802ba.tar.bz2
Added i960sim BSP which (ignoring the 3 instructions not supported
by gdb 5.0's i960 simulator) is enough to run hello world.
Diffstat (limited to 'c/src/lib/libbsp/i960/i960sim/startup')
-rw-r--r--c/src/lib/libbsp/i960/i960sim/startup/Makefile.am39
-rw-r--r--c/src/lib/libbsp/i960/i960sim/startup/bspstart.c95
-rw-r--r--c/src/lib/libbsp/i960/i960sim/startup/linkcmds55
3 files changed, 189 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/i960/i960sim/startup/Makefile.am b/c/src/lib/libbsp/i960/i960sim/startup/Makefile.am
new file mode 100644
index 0000000000..fec84657aa
--- /dev/null
+++ b/c/src/lib/libbsp/i960/i960sim/startup/Makefile.am
@@ -0,0 +1,39 @@
+##
+## $Id$
+##
+
+AUTOMAKE_OPTIONS = foreign 1.4
+
+VPATH = @srcdir@:@srcdir@/../../../shared
+
+PGM = $(ARCH)/startup.rel
+
+C_FILES = bspclean.c bsplibc.c bsppost.c bspstart.c bootcard.c main.c sbrk.c \
+ gnatinstallhandler.c
+C_O_FILES = $(C_FILES:%.c=$(ARCH)/%.o)
+
+OBJS = $(C_O_FILES)
+
+include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP@.cfg
+include $(top_srcdir)/../../../../../../automake/lib.am
+
+#
+# (OPTIONAL) Add local stuff here using +=
+#
+
+$(PGM): $(OBJS)
+ $(make-rel)
+
+$(PROJECT_RELEASE)/lib/linkcmds: linkcmds
+ $(INSTALL_DATA) $< $@
+
+# the .rel file built here will be put into libbsp.a by ../wrapup/Makefile
+TMPINSTALL_FILES += $(PROJECT_RELEASE)/lib/linkcmds
+
+all-local: $(ARCH) $(OBJS) $(PGM) $(TMPINSTALL_FILES)
+
+.PRECIOUS: $(PGM)
+
+EXTRA_DIST = bspclean.c bspstart.c exit.c linkcmds setvec.c
+
+include $(top_srcdir)/../../../../../../automake/local.am
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 <bsp.h>
+#include <rtems/libio.h>
+
+#include <libcsupport.h>
+
+#include <string.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;
+
+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;
+}
diff --git a/c/src/lib/libbsp/i960/i960sim/startup/linkcmds b/c/src/lib/libbsp/i960/i960sim/startup/linkcmds
new file mode 100644
index 0000000000..1cdbef44cf
--- /dev/null
+++ b/c/src/lib/libbsp/i960/i960sim/startup/linkcmds
@@ -0,0 +1,55 @@
+/*
+ * $Id$
+ */
+
+/*
+ * Declare some sizes.
+ */
+_RamBase = DEFINED(_RamBase) ? _RamBase : 0x0;
+_RamSize = DEFINED(_RamSize) ? _RamSize : 1M;
+_HeapSize = DEFINED(_HeapSize) ? _HeapSize : 0x10000;
+_StackSize = DEFINED(_StackSize) ? _StackSize : 0x1000;
+
+SECTIONS
+{
+ . = 0xa0008000;
+ .text :
+ {
+ CREATE_OBJECT_SYMBOLS
+ *(.text)
+ _etext = .;
+
+ ___CTOR_LIST__ = .;
+ LONG((___CTOR_END__ - ___CTOR_LIST__) / 4 - 2)
+ *(.ctors)
+ LONG(0)
+ ___CTOR_END__ = .;
+ ___DTOR_LIST__ = .;
+ LONG((___DTOR_END__ - ___DTOR_LIST__) / 4 - 2)
+ *(.dtors)
+ LONG(0)
+ ___DTOR_END__ = .;
+ }
+ .data SIZEOF(.text) + ADDR(.text):
+ {
+ *(.data)
+ CONSTRUCTORS
+ _edata = .;
+ }
+ .bss SIZEOF(.data) + ADDR(.data):
+ {
+ _bss_start = .;
+ *(.bss)
+ *(COMMON)
+ . = ALIGN (64);
+ _stack_init = .;
+ . += _StackSize;
+ _clear_end = .;
+ _WorkspaceBase = .;
+ . += 512K; /* reserve some memory for workspace */
+ _HeapBase = .;
+ . += _HeapSize; /* reserve some memory for heap */
+ _end = .;
+ __end = .;
+ }
+}