src/target/aarch64.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2
   3 /***************************************************************************
   4  *   Copyright (C) 2015 by David Ung                                       *
   5  ***************************************************************************/
   6
   7 #ifndef OPENOCD_TARGET_AARCH64_H
   8 #define OPENOCD_TARGET_AARCH64_H
   9
  10 #include "armv8.h"
  11
  12 #define AARCH64_COMMON_MAGIC 0x41413634U
  13
  14 #define CPUDBG_CPUID    0xD00
  15 #define CPUDBG_CTYPR    0xD04
  16 #define CPUDBG_TTYPR    0xD0C
  17 #define ID_AA64PFR0_EL1 0xD20
  18 #define ID_AA64DFR0_EL1 0xD28
  19 #define CPUDBG_LOCKACCESS 0xFB0
  20 #define CPUDBG_LOCKSTATUS 0xFB4
  21
  22 #define BRP_NORMAL 0
  23 #define BRP_CONTEXT 1
  24
  25 #define AARCH64_PADDRDBG_CPU_SHIFT 13
  26
  27 enum aarch64_isrmasking_mode {
  28         AARCH64_ISRMASK_OFF,
  29         AARCH64_ISRMASK_ON,
  30 };
  31
  32 struct aarch64_brp {
  33         int used;
  34         int type;
  35         target_addr_t value;
  36         uint32_t control;
  37         uint8_t brpn;
  38 };
  39
  40 struct aarch64_common {
  41         unsigned int common_magic;
  42
  43         struct armv8_common armv8_common;
  44
  45         /* Context information */
  46         uint32_t system_control_reg;
  47         uint32_t system_control_reg_curr;
  48
  49         /* Breakpoint register pairs */
  50         int brp_num_context;
  51         int brp_num;
  52         int brp_num_available;
  53         struct aarch64_brp *brp_list;
  54
  55         /* Watchpoint register pairs */
  56         int wp_num;
  57         int wp_num_available;
  58         struct aarch64_brp *wp_list;
  59
  60         enum aarch64_isrmasking_mode isrmasking_mode;
  61 };
  62
  63 static inline struct aarch64_common *
  64 target_to_aarch64(struct target *target)
  65 {
  66         return container_of(target->arch_info, struct aarch64_common, armv8_common.arm);
  67 }
  68
  69 #endif /* OPENOCD_TARGET_AARCH64_H */