/* $NetBSD: db_machdep.h,v 1.2 2006/08/30 11:12:04 cherry Exp $ */ /* * Copyright (c) 1995 Carnegie-Mellon University. * All rights reserved. * * Author: Chris G. Demetriou * * 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 the * rights to redistribute these changes. */ #ifndef _IA64_DB_MACHDEP_H_ #define _IA64_DB_MACHDEP_H_ /* * Machine-dependent defines for new kernel debugger. */ #include <sys/lock.h> #include <sys/param.h> #include <uvm/uvm_extern.h> #include <machine/frame.h> #include <machine/ia64_cpu.h> typedef vaddr_t db_addr_t; /* address - unsigned */ typedef long db_expr_t; /* expression - signed */ typedef struct trapframe db_regs_t; extern db_regs_t *ddb_regp; /* pointer to current register state */ #define DDB_REGS (ddb_regp) #if 0 /* XXX: disabling this until we switch on makectx()and have a proper \ curlwp(). TODO: please switch this back on ASAP */ #define PC_REGS(regs) ((db_addr_t)(regs)->tf_special.__spare == 0) ? \ ((db_addr_t)(regs)->tf_special.rp) : \ ((db_addr_t)(regs)->tf_special.iip + (((regs)->tf_special.psr>>41) & 3)) #endif #if 1 #define PC_REGS(regs) ((db_addr_t)(regs)->tf_special.iip + (((regs)->tf_special.psr>>41) & 3)) #endif #define db_set_single_step(regs) ((regs)->tf_special.psr |= IA64_PSR_SS) #define db_clear_single_step(regs) ((regs)->tf_special.psr &= ~IA64_PSR_SS) /* defines to help with manipulating ia64 VLIW instruction bundles and slots */ #define TMPL_BITS 5 #define TMPL_MASK ((1 << TMPL_BITS) - 1) #define SLOT_BITS 41 #define SLOT_COUNT 3 #define SLOT_MASK ((1ULL << SLOT_BITS) - 1ULL) #define SLOT_SHIFT(i) (TMPL_BITS+((i)<<3)+(i)) #define ADDR_SLOT0(addr) ( (addr) & ~(0xFUL) ) #define SLOT_ADDR(addr) ( (addr) & (0xFUL) ) /* breakpoint address. * Check for violations of pseudo offsets above 2. * Adjust for 32 bit shift within Bundle. */ #define BKPT_ADDR(addr) ( (SLOT_ADDR(addr) < SLOT_COUNT) ? \ (ADDR_SLOT0(addr) | (SLOT_ADDR(addr) << 2)) \ : ADDR_SLOT0(addr) ) #define BKPT_SIZE 8 #define BKPT_SET(inst, addr) db_bkpt_set(inst, addr) db_expr_t db_bkpt_set(db_expr_t inst, db_addr_t addr); #define PC_ADVANCE(regs) db_pc_advance(regs) void db_pc_advance(db_regs_t *); #define IS_BREAKPOINT_TRAP(type, code) (type == IA64_VEC_BREAK) #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_branch(ins) (ins & 0) #define inst_load(ins) (ins & 0) #define inst_store(ins) (ins & 0) #define inst_unconditional_flow_transfer(ins) (ins & 0) #define branch_taken(ins, pc, regs) pc u_long db_register_value(db_regs_t *, int); int ddb_trap(unsigned long, unsigned long, unsigned long, unsigned long, struct trapframe *); int ia64_trap(int, int, db_regs_t *); /* See: trap.c */ /* * We define some of our own commands. */ #define DB_MACHINE_COMMANDS /* * We use Elf64 symbols in DDB. */ #define DB_ELF_SYMBOLS #define DB_ELFSIZE 64 /* * Stuff for KGDB. */ typedef long kgdb_reg_t; #define KGDB_NUMREGS 66 /* from tm-alpha.h, NUM_REGS */ #define KGDB_REG_V0 0 #define KGDB_REG_T0 1 #define KGDB_REG_T1 2 #define KGDB_REG_T2 3 #define KGDB_REG_T3 4 #define KGDB_REG_T4 5 #define KGDB_REG_T5 6 #define KGDB_REG_T6 7 #define KGDB_REG_T7 8 #define KGDB_REG_S0 9 #define KGDB_REG_S1 10 #define KGDB_REG_S2 11 #define KGDB_REG_S3 12 #define KGDB_REG_S4 13 #define KGDB_REG_S5 14 #define KGDB_REG_S6 15 /* FP */ #define KGDB_REG_A0 16 #define KGDB_REG_A1 17 #define KGDB_REG_A2 18 #define KGDB_REG_A3 19 #define KGDB_REG_A4 20 #define KGDB_REG_A5 21 #define KGDB_REG_T8 22 #define KGDB_REG_T9 23 #define KGDB_REG_T10 24 #define KGDB_REG_T11 25 #define KGDB_REG_RA 26 #define KGDB_REG_T12 27 #define KGDB_REG_AT 28 #define KGDB_REG_GP 29 #define KGDB_REG_SP 30 #define KGDB_REG_ZERO 31 #define KGDB_REG_F0 32 #define KGDB_REG_F1 33 #define KGDB_REG_F2 34 #define KGDB_REG_F3 35 #define KGDB_REG_F4 36 #define KGDB_REG_F5 37 #define KGDB_REG_F6 38 #define KGDB_REG_F7 39 #define KGDB_REG_F8 40 #define KGDB_REG_F9 41 #define KGDB_REG_F10 42 #define KGDB_REG_F11 43 #define KGDB_REG_F12 44 #define KGDB_REG_F13 45 #define KGDB_REG_F14 46 #define KGDB_REG_F15 47 #define KGDB_REG_F16 48 #define KGDB_REG_F17 49 #define KGDB_REG_F18 50 #define KGDB_REG_F19 51 #define KGDB_REG_F20 52 #define KGDB_REG_F21 53 #define KGDB_REG_F22 54 #define KGDB_REG_F23 55 #define KGDB_REG_F24 56 #define KGDB_REG_F25 57 #define KGDB_REG_F26 58 #define KGDB_REG_F27 59 #define KGDB_REG_F28 60 #define KGDB_REG_F29 61 #define KGDB_REG_F30 62 #define KGDB_REG_F31 63 #define KGDB_REG_PC 64 #define KGDB_REG_VFP 65 /* Too much? Must be large enough for register transfer. */ #define KGDB_BUFLEN 1024 #endif /* _IA64_DB_MACHDEP_H_ */