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   1 /***************************************************************************
   2  *   Copyright (C) 2015 by David Ung                                       *
   3  *                                                                         *
   4  *   This program is free software; you can redistribute it and/or modify  *
   5  *   it under the terms of the GNU General Public License as published by  *
   6  *   the Free Software Foundation; either version 2 of the License, or     *
   7  *   (at your option) any later version.                                   *
   8  *                                                                         *
   9  *   This program is distributed in the hope that it will be useful,       *
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  12  *   GNU General Public License for more details.                          *
  13  *                                                                         *
  14  *   You should have received a copy of the GNU General Public License     *
  15  *   along with this program; if not, write to the                         *
  16  *   Free Software Foundation, Inc.,                                       *
  17  ***************************************************************************/
  18
  19 #ifndef OPENOCD_TARGET_AARCH64_H
  20 #define OPENOCD_TARGET_AARCH64_H
  21
  22 #include "armv8.h"
  23
  24 #define AARCH64_COMMON_MAGIC 0x411fc082
  25
  26 #define CPUDBG_CPUID    0xD00
  27 #define CPUDBG_CTYPR    0xD04
  28 #define CPUDBG_TTYPR    0xD0C
  29 #define ID_AA64PFR0_EL1 0xD20
  30 #define ID_AA64DFR0_EL1 0xD28
  31 #define CPUDBG_LOCKACCESS 0xFB0
  32 #define CPUDBG_LOCKSTATUS 0xFB4
  33
  34 #define BRP_NORMAL 0
  35 #define BRP_CONTEXT 1
  36
  37 #define AARCH64_PADDRDBG_CPU_SHIFT 13
  38
  39 enum aarch64_isrmasking_mode {
  40         AARCH64_ISRMASK_OFF,
  41         AARCH64_ISRMASK_ON,
  42 };
  43
  44 struct aarch64_brp {
  45         int used;
  46         int type;
  47         target_addr_t value;
  48         uint32_t control;
  49         uint8_t brpn;
  50 };
  51
  52 struct aarch64_common {
  53         int common_magic;
  54
  55         /* Context information */
  56         uint32_t system_control_reg;
  57         uint32_t system_control_reg_curr;
  58
  59         /* Breakpoint register pairs */
  60         int brp_num_context;
  61         int brp_num;
  62         int brp_num_available;
  63         struct aarch64_brp *brp_list;
  64
  65         /* Watchpoint register pairs */
  66         int wp_num;
  67         int wp_num_available;
  68         struct aarch64_brp *wp_list;
  69
  70         struct armv8_common armv8_common;
  71
  72         enum aarch64_isrmasking_mode isrmasking_mode;
  73 };
  74
  75 static inline struct aarch64_common *
  76 target_to_aarch64(struct target *target)
  77 {
  78         return container_of(target->arch_info, struct aarch64_common, armv8_common.arm);
  79 }
  80
  81 #endif /* OPENOCD_TARGET_AARCH64_H */