mirror of https://github.com/acidanthera/audk.git
203 lines
5.6 KiB
C
203 lines
5.6 KiB
C
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/* $NetBSD: db_machdep.h,v 1.2 2006/08/30 11:12:04 cherry Exp $ */
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/*
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* Copyright (c) 1995 Carnegie-Mellon University.
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* All rights reserved.
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*
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* Author: Chris G. Demetriou
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*
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* Permission to use, copy, modify and distribute this software and
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* its documentation is hereby granted, provided that both the copyright
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* notice and this permission notice appear in all copies of the
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* software, derivative works or modified versions, and any portions
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* thereof, and that both notices appear in supporting documentation.
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*
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* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
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* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
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* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
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*
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* Carnegie Mellon requests users of this software to return to
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*
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* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
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* School of Computer Science
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* Carnegie Mellon University
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* Pittsburgh PA 15213-3890
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*
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* any improvements or extensions that they make and grant Carnegie the
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* rights to redistribute these changes.
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*/
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#ifndef _IA64_DB_MACHDEP_H_
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#define _IA64_DB_MACHDEP_H_
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/*
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* Machine-dependent defines for new kernel debugger.
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*/
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#include <sys/lock.h>
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#include <sys/param.h>
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#include <uvm/uvm_extern.h>
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#include <machine/frame.h>
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#include <machine/ia64_cpu.h>
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typedef vaddr_t db_addr_t; /* address - unsigned */
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typedef long db_expr_t; /* expression - signed */
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typedef struct trapframe db_regs_t;
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extern db_regs_t *ddb_regp; /* pointer to current register state */
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#define DDB_REGS (ddb_regp)
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#if 0 /* XXX: disabling this until we switch on makectx()and have a proper \
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curlwp(). TODO: please switch this back on ASAP */
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#define PC_REGS(regs) ((db_addr_t)(regs)->tf_special.__spare == 0) ? \
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((db_addr_t)(regs)->tf_special.rp) : \
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((db_addr_t)(regs)->tf_special.iip + (((regs)->tf_special.psr>>41) & 3))
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#endif
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#if 1
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#define PC_REGS(regs) ((db_addr_t)(regs)->tf_special.iip + (((regs)->tf_special.psr>>41) & 3))
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#endif
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#define db_set_single_step(regs) ((regs)->tf_special.psr |= IA64_PSR_SS)
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#define db_clear_single_step(regs) ((regs)->tf_special.psr &= ~IA64_PSR_SS)
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/* defines to help with manipulating ia64 VLIW instruction bundles and slots */
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#define TMPL_BITS 5
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#define TMPL_MASK ((1 << TMPL_BITS) - 1)
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#define SLOT_BITS 41
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#define SLOT_COUNT 3
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#define SLOT_MASK ((1ULL << SLOT_BITS) - 1ULL)
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#define SLOT_SHIFT(i) (TMPL_BITS+((i)<<3)+(i))
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#define ADDR_SLOT0(addr) ( (addr) & ~(0xFUL) )
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#define SLOT_ADDR(addr) ( (addr) & (0xFUL) )
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/* breakpoint address.
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* Check for violations of pseudo offsets above 2.
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* Adjust for 32 bit shift within Bundle.
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*/
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#define BKPT_ADDR(addr) ( (SLOT_ADDR(addr) < SLOT_COUNT) ? \
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(ADDR_SLOT0(addr) | (SLOT_ADDR(addr) << 2)) \
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: ADDR_SLOT0(addr) )
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#define BKPT_SIZE 8
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#define BKPT_SET(inst, addr) db_bkpt_set(inst, addr)
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db_expr_t db_bkpt_set(db_expr_t inst, db_addr_t addr);
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#define PC_ADVANCE(regs) db_pc_advance(regs)
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void db_pc_advance(db_regs_t *);
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#define IS_BREAKPOINT_TRAP(type, code) (type == IA64_VEC_BREAK)
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#define IS_WATCHPOINT_TRAP(type, code) 0
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#define inst_trap_return(ins) (ins & 0)
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#define inst_return(ins) (ins & 0)
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#define inst_call(ins) (ins & 0)
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#define inst_branch(ins) (ins & 0)
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#define inst_load(ins) (ins & 0)
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#define inst_store(ins) (ins & 0)
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#define inst_unconditional_flow_transfer(ins) (ins & 0)
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#define branch_taken(ins, pc, regs) pc
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u_long db_register_value(db_regs_t *, int);
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int ddb_trap(unsigned long, unsigned long, unsigned long,
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unsigned long, struct trapframe *);
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int ia64_trap(int, int, db_regs_t *); /* See: trap.c */
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/*
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* We define some of our own commands.
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*/
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#define DB_MACHINE_COMMANDS
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/*
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* We use Elf64 symbols in DDB.
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*/
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#define DB_ELF_SYMBOLS
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#define DB_ELFSIZE 64
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/*
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* Stuff for KGDB.
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*/
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typedef long kgdb_reg_t;
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#define KGDB_NUMREGS 66 /* from tm-alpha.h, NUM_REGS */
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#define KGDB_REG_V0 0
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#define KGDB_REG_T0 1
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#define KGDB_REG_T1 2
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#define KGDB_REG_T2 3
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#define KGDB_REG_T3 4
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#define KGDB_REG_T4 5
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#define KGDB_REG_T5 6
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#define KGDB_REG_T6 7
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#define KGDB_REG_T7 8
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#define KGDB_REG_S0 9
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#define KGDB_REG_S1 10
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#define KGDB_REG_S2 11
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#define KGDB_REG_S3 12
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#define KGDB_REG_S4 13
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#define KGDB_REG_S5 14
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#define KGDB_REG_S6 15 /* FP */
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#define KGDB_REG_A0 16
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#define KGDB_REG_A1 17
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#define KGDB_REG_A2 18
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#define KGDB_REG_A3 19
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#define KGDB_REG_A4 20
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#define KGDB_REG_A5 21
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#define KGDB_REG_T8 22
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#define KGDB_REG_T9 23
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#define KGDB_REG_T10 24
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#define KGDB_REG_T11 25
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#define KGDB_REG_RA 26
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#define KGDB_REG_T12 27
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#define KGDB_REG_AT 28
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#define KGDB_REG_GP 29
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#define KGDB_REG_SP 30
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#define KGDB_REG_ZERO 31
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#define KGDB_REG_F0 32
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#define KGDB_REG_F1 33
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#define KGDB_REG_F2 34
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#define KGDB_REG_F3 35
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#define KGDB_REG_F4 36
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#define KGDB_REG_F5 37
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#define KGDB_REG_F6 38
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#define KGDB_REG_F7 39
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#define KGDB_REG_F8 40
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#define KGDB_REG_F9 41
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#define KGDB_REG_F10 42
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#define KGDB_REG_F11 43
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#define KGDB_REG_F12 44
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#define KGDB_REG_F13 45
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#define KGDB_REG_F14 46
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#define KGDB_REG_F15 47
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#define KGDB_REG_F16 48
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#define KGDB_REG_F17 49
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#define KGDB_REG_F18 50
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#define KGDB_REG_F19 51
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#define KGDB_REG_F20 52
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#define KGDB_REG_F21 53
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#define KGDB_REG_F22 54
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#define KGDB_REG_F23 55
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#define KGDB_REG_F24 56
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#define KGDB_REG_F25 57
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#define KGDB_REG_F26 58
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#define KGDB_REG_F27 59
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#define KGDB_REG_F28 60
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#define KGDB_REG_F29 61
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#define KGDB_REG_F30 62
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#define KGDB_REG_F31 63
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#define KGDB_REG_PC 64
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#define KGDB_REG_VFP 65
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/* Too much? Must be large enough for register transfer. */
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#define KGDB_BUFLEN 1024
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#endif /* _IA64_DB_MACHDEP_H_ */
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