Initial import of arm32 port

1 files changed, 85 insertions, 0 deletions

diff --git a/sys/arch/arm32/include/db_machdep.h b/sys/arch/arm32/include/db_machdep.h
new file mode 100644
index 00000000000..2000290856f
--- /dev/null
+++ b/sys/arch/arm32/include/db_machdep.h
@@ -0,0 +1,85 @@
+/* $NetBSD: db_machdep.h,v 1.2 1996/03/06 23:16:54 mark Exp $ */
+
+/*
+ * Copyright (c) 1996 Scott K Stevens
+ * 
+ * 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	_ARM32_DB_MACHDEP_H_
+#define	_ARM32_DB_MACHDEP_H_
+
+/*
+ * Machine-dependent defines for new kernel debugger.
+ */
+
+
+#include <vm/vm.h>
+#include <machine/frame.h>
+#include <machine/psl.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 {
+	trapframe_t	ddb_tf;
+} db_regs_t;
+
+db_regs_t		ddb_regs;	/* register state */
+#define	DDB_REGS	(&ddb_regs)
+#define	DDB_TF		(&ddb_regs.ddb_tf)
+
+#define	PC_REGS(regs)	((db_addr_t)(regs)->ddb_tf.tf_pc)
+
+#define	BKPT_INST	(0xe7ffffff)	/* breakpoint instruction */
+#define	BKPT_SIZE	(4)		/* size of breakpoint inst */
+#define	BKPT_SET(inst)	(BKPT_INST)
+
+/*#define	db_clear_single_step(regs)	(0)
+#define	db_set_single_step(regs)	(0)*/
+
+#define T_BREAKPOINT			(1)
+
+#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) & 0x0f000000) == 0x0b000000)
+#define	inst_branch(ins)	(((ins) & 0x0f000000) == 0x0a000000)
+#define inst_load(ins)		0
+#define inst_store(ins)		0
+
+#define getreg_val		(0)
+#define next_instr_address(pc, bd)	(pc + 4)
+
+#define DB_MACHINE_COMMANDS
+
+#define SOFTWARE_SSTEP
+
+#endif	/* _ARM32_DB_MACHDEP_H_ */