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- /* 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 );
- }
-