initial import

4 files changed, 220 insertions, 0 deletions

diff --git a/sysdeps/standalone/i960/nindy960/Makefile b/sysdeps/standalone/i960/nindy960/Makefile
new file mode 100644
index 0000000000..e6e65ea064
--- /dev/null
+++ b/sysdeps/standalone/i960/nindy960/Makefile
@@ -0,0 +1,23 @@
+# Copyright (C) 1993 Free Software Foundation, Inc.
+# Contributed by Joel Sherrill (jsherril@redstone-emh2.army.mil),
+#   On-Line Applications Research Corporation.
+
+# The GNU C Library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Library General Public License
+# as published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+
+# The GNU C Library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Library General Public License for more details.
+
+# You should have received a copy of the GNU Library General Public
+# License along with the GNU C Library; see the file COPYING.LIB.  If
+# not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+# Cambridge, MA 02139, USA.
+
+
+# The nindy960 support has only been tested on the following boards:
+# 
+#   + Cyclone CVME961 VMEbus single board computer.
diff --git a/sysdeps/standalone/i960/nindy960/_exit.c b/sysdeps/standalone/i960/nindy960/_exit.c
new file mode 100644
index 0000000000..33553a7a2c
--- /dev/null
+++ b/sysdeps/standalone/i960/nindy960/_exit.c
@@ -0,0 +1,55 @@
+/* Copyright (C) 1991 Free Software Foundation, Inc.
+   Contributed by Joel Sherrill (jsherril@redstone-emh2.army.mil),
+     On-Line Applications Research Corporation.
+
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <ansidecl.h>
+#include <unistd.h>
+#include <stdlib.h>
+
+/* The function `_exit' should take a status argument and simply
+   terminate program execution, using the low-order 8 bits of the
+   given integer as status.  */
+
+/* This returns control to Nindy.  */
+
+__NORETURN void
+DEFUN(_exit, (status), int status)
+{
+  /* status is ignored */
+
+  asm volatile( "mov   0,g0; \
+                 fmark ; \
+           syncf ; \
+           .word    0xfeedface ; \
+                 bx       start" : : );
+ /*  The constant 0xfeedface is a magic word for break which
+  *  is defined by NINDY.  The branch extended restarts the
+  *  application if the user types "go".
+  */
+}
+
+
+#ifdef	 HAVE_GNU_LD
+
+#include <gnu-stabs.h>
+
+stub_warning(_exit);
+
+#endif	/* GNU stabs.  */
diff --git a/sysdeps/standalone/i960/nindy960/brdinit.c b/sysdeps/standalone/i960/nindy960/brdinit.c
new file mode 100644
index 0000000000..c16adcd390
--- /dev/null
+++ b/sysdeps/standalone/i960/nindy960/brdinit.c
@@ -0,0 +1,66 @@
+/* Copyright (C) 1994 Free Software Foundation, Inc.
+   Contributed by Joel Sherrill (jsherril@redstone-emh2.army.mil),
+     On-Line Applications Research Corporation.
+ 
+This file is part of the GNU C Library.
+ 
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+ 
+The GNU C Library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Library General Public License for more details.
+ 
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <ansidecl.h>
+#include <standalone.h>
+#include "i960ca.h"
+
+/*  _Board_Initialize()
+
+This routine initializes the board.  
+
+NOTE: Only tested on a Cyclone CVME961 but should be OK on any i960ca board. */
+
+void 
+DEFUN_VOID(_Board_Initialize)
+{
+  struct i80960ca_prcb   *prcb;     /* ptr to processor control block */
+  struct i80960ca_ctltbl *ctl_tbl;  /* ptr to control table */
+
+  static inline struct i80960ca_prcb *get_prcb()
+  { register struct i80960ca_prcb *_prcb = 0;
+    asm volatile( "calls 5; \
+                   mov   g0,%0" \
+                   : "=d" (_prcb) \
+                   : "0" (_prcb) );
+    return ( _prcb );
+  }
+
+  prcb    = get_prcb();
+  ctl_tbl = prcb->control_tbl;
+
+  /*   The following configures the data breakpoint (which must be set
+   *   before this is executed) to break on writes only.
+   */
+
+  ctl_tbl->bpcon &= ~0x00cc0000;
+  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 our applications.
+    */
+
+   /* Configure Number of Register Caches */
+
+  prcb->reg_cache_cfg = 8;
+  soft_reset( prcb );
+}
diff --git a/sysdeps/standalone/i960/nindy960/console.c b/sysdeps/standalone/i960/nindy960/console.c
new file mode 100644
index 0000000000..821514458a
--- /dev/null
+++ b/sysdeps/standalone/i960/nindy960/console.c
@@ -0,0 +1,76 @@
+/* Copyright (C) 1994 Free Software Foundation, Inc.
+   Contributed by Joel Sherrill (jsherril@redstone-emh2.army.mil),
+     On-Line Applications Research Corporation.
+ 
+This file is part of the GNU C Library.
+ 
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+ 
+The GNU C Library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Library General Public License for more details.
+ 
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <ansidecl.h>
+#include <standalone.h>
+#include "i960ca.h"
+
+/* Console IO routines for a NINDY960 board. */
+   
+/*
+ *  NINDY_IO( ... )
+ *
+ *  Interface to NINDY.
+ */
+
+#define NINDY_INPUT   0
+#define NINDY_OUTPUT  1
+
+void ___NINDY_IO_WRAPPER( void )  /* never called */
+{
+   asm volatile ( "       .text" );
+   asm volatile ( "       .align 4" );
+   asm volatile ( "       .globl _NINDY_IO" );
+   asm volatile ( "_NINDY_IO:" );
+   asm volatile ( "        calls   0       /* call console routines */" );
+   asm volatile ( "        ret" );
+}
+
+/***** !!!! HOW DO I EXFUN NINDY_IO? !!!! *****/
+
+/* _Console_Putc
+
+This routine transmits a character using NINDY.  */
+
+int
+DEFUN( _Console_Putc, (ch), char ch )
+{
+  NINDY_IO( NINDY_OUTPUT, ch );
+  return( 0 );
+}
+
+/* _Console_Getc
+
+This routine reads a character from NINDY and returns it. */
+
+int
+DEFUN( _Console_Getc, (poll), int poll )
+{
+  char ch;
+
+  if ( poll ) {
+    /* I don't know how to poll with NINDY */
+    return -1;
+  } else {
+    NINDY_IO( NINDY_INPUT, &ch );
+    return ch;
+  }
+}