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
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