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authorgingold <gingold@cvs.openbsd.org>1997-10-14 07:25:35 +0000
committergingold <gingold@cvs.openbsd.org>1997-10-14 07:25:35 +0000
commitf6491d400ca651a8a1493d72c6a74c622aa231b1 (patch)
tree39f29255154f230f637c12e9214f12a9e64bd9d4 /sys/arch/kbus/include/db_machdep.h
parent7a9e3739a66bd0fadfdc611c72e879fcc6f9ef01 (diff)
Gingold's port for kbus Series5 machine. Not fully finished and not very stable
Diffstat (limited to 'sys/arch/kbus/include/db_machdep.h')
-rw-r--r--sys/arch/kbus/include/db_machdep.h82
1 files changed, 82 insertions, 0 deletions
diff --git a/sys/arch/kbus/include/db_machdep.h b/sys/arch/kbus/include/db_machdep.h
new file mode 100644
index 00000000000..b6028854359
--- /dev/null
+++ b/sys/arch/kbus/include/db_machdep.h
@@ -0,0 +1,82 @@
+/* $NetBSD: db_machdep.h,v 1.7 1996/03/31 22:21:28 pk Exp $ */
+
+/*
+ * Mach Operating System
+ * Copyright (c) 1991,1990 Carnegie Mellon University
+ * All Rights Reserved.
+ *
+ * Permission to use, copy, modify and distribute this software and its
+ * documentation is hereby granted, provided that both the copyright
+ * notice and this permission notice appear in all copies of the
+ * software, derivative works or modified versions, and any portions
+ * thereof, and that both notices appear in supporting documentation.
+ *
+ * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
+ * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
+ * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ *
+ * Carnegie Mellon requests users of this software to return to
+ *
+ * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
+ * School of Computer Science
+ * Carnegie Mellon University
+ * Pittsburgh PA 15213-3890
+ *
+ * any improvements or extensions that they make and grant Carnegie Mellon
+ * the rights to redistribute these changes.
+ */
+
+#ifndef _SPARC_DB_MACHDEP_H_
+#define _SPARC_DB_MACHDEP_H_
+
+/*
+ * Machine-dependent defines for new kernel debugger.
+ */
+
+
+#include <vm/vm.h>
+#include <machine/frame.h>
+#include <machine/psl.h>
+#include <machine/trap.h>
+#include <machine/reg.h>
+
+/* end of mangling */
+
+typedef vm_offset_t db_addr_t; /* address - unsigned */
+typedef int db_expr_t; /* expression - signed */
+
+typedef struct {
+ struct trapframe ddb_tf;
+ struct frame ddb_fr;
+} db_regs_t;
+
+db_regs_t ddb_regs; /* register state */
+#define DDB_REGS (&ddb_regs)
+#define DDB_TF (&ddb_regs.ddb_tf)
+#define DDB_FR (&ddb_regs.ddb_fr)
+
+#define PC_REGS(regs) ((db_addr_t)(regs)->ddb_tf.tf_pc)
+
+#define BKPT_INST 0x91d02001 /* breakpoint instruction */
+#define BKPT_SIZE (4) /* size of breakpoint inst */
+#define BKPT_SET(inst) (BKPT_INST)
+
+#define db_clear_single_step(regs) (void) (0)
+#define db_set_single_step(regs) (void) (0)
+
+#define IS_BREAKPOINT_TRAP(type, code) ((type) == T_BREAKPOINT)
+#define IS_WATCHPOINT_TRAP(type, code) (0)
+
+#define inst_trap_return(ins) ((ins)&0)
+#define inst_return(ins) ((ins)&0)
+#define inst_call(ins) ((ins)&0)
+#define inst_load(ins) 0
+#define inst_store(ins) 0
+
+#define DB_MACHINE_COMMANDS
+
+void db_machine_init __P((void));
+int kdb_trap __P((int, struct trapframe *));
+
+
+#endif /* _SPARC_DB_MACHDEP_H_ */