initial mips64

1 files changed, 84 insertions, 0 deletions

diff --git a/sys/arch/mips64/include/db_machdep.h b/sys/arch/mips64/include/db_machdep.h
new file mode 100644
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+++ b/sys/arch/mips64/include/db_machdep.h
@@ -0,0 +1,84 @@
+/*	$OpenBSD: db_machdep.h,v 1.1 2004/08/06 20:56:01 pefo Exp $ */
+
+/*
+ * Copyright (c) 1998-2003 Opsycon AB (www.opsycon.se)
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by Opsycon AB, Sweden.
+ * 4. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ */
+
+#ifndef	_MIPS_DB_MACHDEP_H_
+#define	_MIPS_DB_MACHDEP_H_
+
+#include <machine/frame.h>
+#include <machine/trap.h>
+#include <uvm/uvm_param.h>
+
+#define	MID_MACHINE 0		/* XXX booo... */
+#define DB_MACHINE_COMMANDS	/* We have machine specific commands */
+#define	DB_ELF_SYMBOLS		/* Elf style symbol table support */
+#define	DB_NO_AOUT		/* For crying out loud! */
+#define	DB_ELFSIZE	32	/* This is the size of symtab stuff */
+
+typedef struct trap_frame db_regs_t;
+db_regs_t		ddb_regs;
+
+typedef	long		db_expr_t;
+typedef vaddr_t		db_addr_t;
+
+#define	SOFTWARE_SSTEP		/* Need software single step */
+#define	SOFTWARE_SSTEP_EMUL	/* next_instr_address() emulates 100% */
+db_addr_t	next_instr_address __P((db_addr_t, boolean_t));
+#define	BKPT_SIZE   (4)
+#define	BKPT_SET(ins)	(BREAK_DDB)
+#define	DB_VALID_BREAKPOINT(addr)	(((addr) & 3) == 0)
+
+#define	IS_BREAKPOINT_TRAP(type, code)	((type) == T_BREAK)
+#define IS_WATCHPOINT_TRAP(type, code)	(0)	/* XXX mips3 watchpoint */
+
+#define	PC_REGS(regs)	((db_addr_t)(regs)->pc)
+#define DDB_REGS	(&ddb_regs)
+
+/*
+ *  Test of instructions to see class.
+ */
+#define	IT_CALL		0x01
+#define	IT_BRANCH	0x02
+#define	IT_LOAD		0x03
+#define	IT_STORE	0x04
+
+#define	inst_branch(i)	(db_inst_type(i) == IT_BRANCH)
+#define	inst_trap_return(i)	((i) & 0)
+#define	inst_call(i)	(db_inst_type(i) == IT_CALL)
+#define	inst_return(i)	((i) == 0x03e00008)
+#define	inst_load(i)	(db_inst_type(i) == IT_LOAD)
+#define	inst_store(i)	(db_inst_type(i) == IT_STORE)
+
+int db_inst_type __P((int));
+void db_machine_init __P((void));
+
+#endif	/* !_MIPS_DB_MACHDEP_H_ */