1 /*****************************************************************************
2 * Copyright (C) 2016 by Matthias Welwarsky <matthias.welwarsky@sysgo.com> *
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. *
13 ****************************************************************************/
20 #include "target_type.h"
22 #include "arm_adi_v5.h"
24 #include <jtag/jtag.h>
32 static int mem_ap_target_create(struct target
*target
, Jim_Interp
*interp
)
34 struct mem_ap
*mem_ap
= calloc(1, sizeof(struct mem_ap
));
35 struct adiv5_private_config
*pc
;
37 pc
= (struct adiv5_private_config
*)target
->private_config
;
41 if (pc
->ap_num
== DP_APSEL_INVALID
) {
42 LOG_ERROR("AP number not specified");
46 mem_ap
->ap_num
= pc
->ap_num
;
47 mem_ap
->arm
.common_magic
= ARM_COMMON_MAGIC
;
48 mem_ap
->arm
.dap
= pc
->dap
;
50 target
->arch_info
= mem_ap
;
55 static int mem_ap_init_target(struct command_context
*cmd_ctx
, struct target
*target
)
57 LOG_DEBUG("%s", __func__
);
58 target
->state
= TARGET_UNKNOWN
;
62 static int mem_ap_arch_state(struct target
*target
)
64 LOG_DEBUG("%s", __func__
);
68 static int mem_ap_poll(struct target
*target
)
70 if (target
->state
== TARGET_UNKNOWN
)
71 target
->state
= TARGET_RUNNING
;
76 static int mem_ap_halt(struct target
*target
)
78 LOG_DEBUG("%s", __func__
);
79 target
->state
= TARGET_HALTED
;
83 static int mem_ap_resume(struct target
*target
, int current
, target_addr_t address
,
84 int handle_breakpoints
, int debug_execution
)
86 LOG_DEBUG("%s", __func__
);
87 target
->state
= TARGET_RUNNING
;
91 static int mem_ap_step(struct target
*target
, int current
, target_addr_t address
,
92 int handle_breakpoints
)
94 LOG_DEBUG("%s", __func__
);
95 target
->state
= TARGET_HALTED
;
99 static int mem_ap_assert_reset(struct target
*target
)
101 target
->state
= TARGET_RESET
;
103 LOG_DEBUG("%s", __func__
);
107 static int mem_ap_examine(struct target
*target
)
109 struct mem_ap
*mem_ap
= target
->arch_info
;
111 if (!target_was_examined(target
)) {
112 mem_ap
->ap
= dap_ap(mem_ap
->arm
.dap
, mem_ap
->ap_num
);
113 target_set_examined(target
);
114 target
->state
= TARGET_UNKNOWN
;
115 return mem_ap_init(mem_ap
->ap
);
121 static int mem_ap_deassert_reset(struct target
*target
)
123 if (target
->reset_halt
)
124 target
->state
= TARGET_HALTED
;
126 target
->state
= TARGET_RUNNING
;
128 LOG_DEBUG("%s", __func__
);
132 static int mem_ap_read_memory(struct target
*target
, target_addr_t address
,
133 uint32_t size
, uint32_t count
, uint8_t *buffer
)
135 struct mem_ap
*mem_ap
= target
->arch_info
;
137 LOG_DEBUG("Reading memory at physical address 0x" TARGET_ADDR_FMT
138 "; size %" PRId32
"; count %" PRId32
, address
, size
, count
);
140 if (count
== 0 || buffer
== NULL
)
141 return ERROR_COMMAND_SYNTAX_ERROR
;
143 return mem_ap_read_buf(mem_ap
->ap
, buffer
, size
, count
, address
);
146 static int mem_ap_write_memory(struct target
*target
, target_addr_t address
,
147 uint32_t size
, uint32_t count
,
148 const uint8_t *buffer
)
150 struct mem_ap
*mem_ap
= target
->arch_info
;
152 LOG_DEBUG("Writing memory at physical address 0x" TARGET_ADDR_FMT
153 "; size %" PRId32
"; count %" PRId32
, address
, size
, count
);
155 if (count
== 0 || buffer
== NULL
)
156 return ERROR_COMMAND_SYNTAX_ERROR
;
158 return mem_ap_write_buf(mem_ap
->ap
, buffer
, size
, count
, address
);
161 struct target_type mem_ap_target
= {
164 .target_create
= mem_ap_target_create
,
165 .init_target
= mem_ap_init_target
,
166 .examine
= mem_ap_examine
,
167 .target_jim_configure
= adiv5_jim_configure
,
170 .arch_state
= mem_ap_arch_state
,
173 .resume
= mem_ap_resume
,
176 .assert_reset
= mem_ap_assert_reset
,
177 .deassert_reset
= mem_ap_deassert_reset
,
179 .read_memory
= mem_ap_read_memory
,
180 .write_memory
= mem_ap_write_memory
,