1 /***************************************************************************
2 * Copyright (C) 2009 by David Brownell *
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. *
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. *
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 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
18 ***************************************************************************/
23 #include "replacements.h"
26 #include "arm_disassembler.h"
29 #include "binarybuffer.h"
37 static void armv7a_show_fault_registers(struct target *target)
39 uint32_t dfsr, ifsr, dfar, ifar;
40 struct armv7a_common *armv7a = target_to_armv7a(target);
42 armv7a->read_cp15(target, 0, 0, 5, 0, &dfsr);
43 armv7a->read_cp15(target, 0, 1, 5, 0, &ifsr);
44 armv7a->read_cp15(target, 0, 0, 6, 0, &dfar);
45 armv7a->read_cp15(target, 0, 2, 6, 0, &ifar);
47 LOG_USER("Data fault registers DFSR: %8.8" PRIx32
48 ", DFAR: %8.8" PRIx32, dfsr, dfar);
49 LOG_USER("Instruction fault registers IFSR: %8.8" PRIx32
50 ", IFAR: %8.8" PRIx32, ifsr, ifar);
54 int armv7a_arch_state(struct target *target)
56 static const char *state[] =
61 struct armv7a_common *armv7a = target_to_armv7a(target);
62 struct arm *armv4_5 = &armv7a->armv4_5_common;
64 if (armv7a->common_magic != ARMV7_COMMON_MAGIC)
66 LOG_ERROR("BUG: called for a non-ARMv7A target");
67 return ERROR_INVALID_ARGUMENTS;
70 LOG_USER("target halted in %s state due to %s, current mode: %s\n"
71 "cpsr: 0x%8.8" PRIx32 " pc: 0x%8.8" PRIx32 "\n"
72 "MMU: %s, D-Cache: %s, I-Cache: %s",
73 armv4_5_state_strings[armv4_5->core_state],
74 Jim_Nvp_value2name_simple(nvp_target_debug_reason,
75 target->debug_reason)->name,
76 arm_mode_name(armv4_5->core_mode),
77 buf_get_u32(armv4_5->cpsr->value, 0, 32),
78 buf_get_u32(armv4_5->core_cache->reg_list[15].value, 0, 32),
79 state[armv7a->armv4_5_mmu.mmu_enabled],
80 state[armv7a->armv4_5_mmu.armv4_5_cache.d_u_cache_enabled],
81 state[armv7a->armv4_5_mmu.armv4_5_cache.i_cache_enabled]);
83 if (armv4_5->core_mode == ARMV4_5_MODE_ABT)
84 armv7a_show_fault_registers(target);
90 COMMAND_HANDLER(handle_dap_baseaddr_command)
92 struct target *target = get_current_target(CMD_CTX);
93 struct armv7a_common *armv7a = target_to_armv7a(target);
94 struct swjdp_common *swjdp = &armv7a->swjdp_info;
96 return CALL_COMMAND_HANDLER(dap_baseaddr_command, swjdp);
99 COMMAND_HANDLER(handle_dap_memaccess_command)
101 struct target *target = get_current_target(CMD_CTX);
102 struct armv7a_common *armv7a = target_to_armv7a(target);
103 struct swjdp_common *swjdp = &armv7a->swjdp_info;
105 return CALL_COMMAND_HANDLER(dap_memaccess_command, swjdp);
108 COMMAND_HANDLER(handle_dap_apsel_command)
110 struct target *target = get_current_target(CMD_CTX);
111 struct armv7a_common *armv7a = target_to_armv7a(target);
112 struct swjdp_common *swjdp = &armv7a->swjdp_info;
114 return CALL_COMMAND_HANDLER(dap_apsel_command, swjdp);
117 COMMAND_HANDLER(handle_dap_apid_command)
119 struct target *target = get_current_target(CMD_CTX);
120 struct armv7a_common *armv7a = target_to_armv7a(target);
121 struct swjdp_common *swjdp = &armv7a->swjdp_info;
123 return CALL_COMMAND_HANDLER(dap_apid_command, swjdp);
126 COMMAND_HANDLER(handle_dap_info_command)
128 struct target *target = get_current_target(CMD_CTX);
129 struct armv7a_common *armv7a = target_to_armv7a(target);
130 struct swjdp_common *swjdp = &armv7a->swjdp_info;
135 apsel = swjdp->apsel;
138 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], apsel);
141 return ERROR_COMMAND_SYNTAX_ERROR;
144 return dap_info_command(CMD_CTX, swjdp, apsel);
147 static const struct command_registration armv7a_exec_command_handlers[] = {
150 .handler = &handle_dap_info_command,
151 .mode = COMMAND_EXEC,
152 .help = "dap info for ap [num], "
153 "default currently selected AP",
157 .handler = &handle_dap_apsel_command,
158 .mode = COMMAND_EXEC,
159 .help = "select a different AP [num] (default 0)",
163 .handler = &handle_dap_apid_command,
164 .mode = COMMAND_EXEC,
165 .help = "return id reg from AP [num], "
166 "default currently selected AP",
170 .handler = &handle_dap_baseaddr_command,
171 .mode = COMMAND_EXEC,
172 .help = "return debug base address from AP [num], "
173 "default currently selected AP",
177 .handler = &handle_dap_memaccess_command,
178 .mode = COMMAND_EXEC,
179 .help = "set/get number of extra tck for mem-ap memory "
180 "bus access [0-255]",
182 COMMAND_REGISTRATION_DONE
184 const struct command_registration armv7a_command_handlers[] = {
188 .help = "Cortex DAP command group",
189 .chain = armv7a_exec_command_handlers,
191 COMMAND_REGISTRATION_DONE