diff options
Diffstat (limited to 'sys/arch/mvme88k/include/db_machdep.h')
| -rw-r--r-- | sys/arch/mvme88k/include/db_machdep.h | 170 |
1 files changed, 3 insertions, 167 deletions
diff --git a/sys/arch/mvme88k/include/db_machdep.h b/sys/arch/mvme88k/include/db_machdep.h index 0626b3d0aac..ca6e2f2efa9 100644 --- a/sys/arch/mvme88k/include/db_machdep.h +++ b/sys/arch/mvme88k/include/db_machdep.h @@ -1,167 +1,3 @@ -/* $OpenBSD: db_machdep.h,v 1.27 2004/01/12 07:46:16 miod Exp $ */ -/* - * Mach Operating System - * Copyright (c) 1993-1991 Carnegie Mellon University - * Copyright (c) 1991 OMRON Corporation - * 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 AND OMRON ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS IS" - * CONDITION. CARNEGIE MELLON AND OMRON DISCLAIM 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 the - * rights to redistribute these changes. - */ - -/* - * Machine-dependent defined for the new kernel debugger - */ - -#ifndef _M88K_DB_MACHDEP_H_ -#define _M88K_DB_MACHDEP_H_ - -/* trap numbers used by ddb */ -#define DDB_ENTRY_BKPT_NO 130 -#define DDB_ENTRY_TRACE_NO 131 -#define DDB_ENTRY_TRAP_NO 132 - -#ifndef _LOCORE - -#include <machine/pcb.h> -#include <machine/trap.h> - -#include <uvm/uvm_param.h> - -/* - * The low two bits of sxip, snip, sfip have valid bits - * in them that need to masked to get the correct addresses - */ -#define PC_REGS(regs) \ - cputyp == CPU_88110 ? ((regs)->exip & ~3) : \ - (((regs)->sxip & 2) ? (regs)->sxip & ~3 : \ - ((regs)->snip & 2 ? (regs)->snip & ~3 : (regs)->sfip & ~3)) - -/* inst_return(ins) - is the instruction a function call return. - * Not mutually exclusive with inst_branch. Should be a jmp r1. */ -#define inst_return(I) (((I)&0xfffffbffU) == 0xf400c001U ? TRUE : FALSE) - -/* - * inst_call - function call predicate: is the instruction a function call. - * Could be either bsr or jsr - */ -#define inst_call(I) ({ unsigned i = (I); \ - ((((i) & 0xf8000000U) == 0xc8000000U || /*bsr*/ \ - ((i) & 0xfffffbe0U) == 0xf400c800U) /*jsr*/ \ - ? TRUE : FALSE) \ -;}) - -#ifdef DDB - -/* - * This is a hack so that mc88100 can use software single step - * and mc88110 can use the wonderful hardware single step - * feature. XXX smurph - */ -#define INTERNAL_SSTEP /* Use local Single Step routines */ - -#define BKPT_SIZE (4) /* number of bytes in bkpt inst. */ -#define BKPT_INST (0xF000D000 | DDB_ENTRY_BKPT_NO) /* tb0, 0,r0, vector 130 */ -#define BKPT_SET(inst) (BKPT_INST) - -/* Entry trap for the debugger - used for inline assembly breaks*/ -#define ENTRY_ASM "tb0 0, r0, 132" - -typedef vaddr_t db_addr_t; -typedef long db_expr_t; -typedef struct reg db_regs_t; -extern db_regs_t ddb_regs; /* register state */ -#define DDB_REGS (&ddb_regs) - -extern int db_noisy; - -unsigned inst_load(unsigned); -unsigned inst_store(unsigned); -boolean_t inst_branch(unsigned); -db_addr_t next_instr_address(db_addr_t, unsigned); -db_addr_t branch_taken(u_int, db_addr_t, db_expr_t (*)(db_regs_t *, int), - db_regs_t *); -int ddb_break_trap(int type, db_regs_t *eframe); -int ddb_entry_trap(int level, db_regs_t *eframe); - -/* breakpoint/watchpoint foo */ -#define IS_BREAKPOINT_TRAP(type,code) ((type)==T_KDB_BREAK) -#if defined(T_WATCHPOINT) -#define IS_WATCHPOINT_TRAP(type,code) ((type)==T_KDB_WATCH) -#else -#define IS_WATCHPOINT_TRAP(type,code) 0 -#endif /* T_WATCHPOINT */ - -/* we don't want coff support */ -#define DB_NO_COFF 1 - -#ifdef INTERNAL_SSTEP -db_expr_t getreg_val(db_regs_t *, int); -void db_set_single_step(db_regs_t *); -void db_clear_single_step(db_regs_t *); -#else -/* need software single step */ -#define SOFTWARE_SSTEP 1 /* we need this for mc88100 */ -#endif - -/* - * Debugger can get to any address space - */ - -#define DB_ACCESS_LEVEL DB_ACCESS_ANY - -#define DB_VALID_KERN_ADDR(addr) (!badaddr((void *)(addr), 1)) -#define DB_VALID_ADDRESS(addr,user) \ - (user ? db_check_user_addr(addr) : DB_VALID_KERN_ADDR(addr)) - -/* instruction type checking - others are implemented in db_sstep.c */ - -#define inst_trap_return(ins) ((ins) == 0xf400fc00U) - -/* don't need to load symbols */ -#define DB_SYMBOLS_PRELOADED 1 - -/* machine specific commands have been added to ddb */ -#define DB_MACHINE_COMMANDS 1 - -/* - * This routine should return true for instructions that result in unconditonal - * transfers of the flow of control. (Unconditional Jumps, subroutine calls, - * subroutine returns, etc). - * - * Trap and return from trap should not be listed here. - */ -#define inst_unconditional_flow_transfer(I) ({ unsigned i = (I); \ - ((((i) & 0xf0000000U) == 0xc0000000U || /* br, bsr */ \ - ((i) & 0xfffff3e0U) == 0xf400c000U) /* jmp, jsr */ \ - ? TRUE: FALSE) \ -;}) - -/* Return true if the instruction has a delay slot. */ -#define db_branch_is_delayed(I) inst_delayed(I) - -#define db_printf_enter db_printing - -int m88k_print_instruction(unsigned iadr, long inst); - -#endif /* DDB */ -#endif /* _LOCORE */ - -#endif /* _M88K_DB_MACHDEP_H_ */ +/* $OpenBSD */ +/* public domain */ +#include <m88k/db_machdep.h> |