diff options
author | gingold <gingold@cvs.openbsd.org> | 1997-10-14 07:25:35 +0000 |
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committer | gingold <gingold@cvs.openbsd.org> | 1997-10-14 07:25:35 +0000 |
commit | f6491d400ca651a8a1493d72c6a74c622aa231b1 (patch) | |
tree | 39f29255154f230f637c12e9214f12a9e64bd9d4 /sys/arch/kbus/include/db_machdep.h | |
parent | 7a9e3739a66bd0fadfdc611c72e879fcc6f9ef01 (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.h | 82 |
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_ */ |