+// SPDX-License-Identifier: GPL-2.0-or-later
+
/***************************************************************************
* Copyright (C) 2005 by Dominic Rath *
* Dominic.Rath@gmx.de *
* *
* Copyright (C) 2008 by Spencer Oliver *
* spen@spen-soft.co.uk *
- * *
- * This program is free software; you can redistribute it and/or modify *
- * it under the terms of the GNU General Public License as published by *
- * the Free Software Foundation; either version 2 of the License, or *
- * (at your option) any later version. *
- * *
- * This program is distributed in the hope that it will be useful, *
- * but WITHOUT ANY WARRANTY; without even the implied warranty of *
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
- * GNU General Public License for more details. *
- * *
- * You should have received a copy of the GNU General Public License *
- * along with this program; if not, write to the *
- * Free Software Foundation, Inc., *
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
+
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "embeddedice.h"
#include "register.h"
+#include <helper/time_support.h>
/**
* @file
* From: ARM9E-S TRM, DDI 0165, table C-4 (and similar, for other cores)
*/
static const struct {
- char *name;
- unsigned short addr;
- unsigned short width;
+ const char *name;
+ unsigned short addr;
+ unsigned short width;
} eice_regs[] = {
[EICE_DBG_CTRL] = {
.name = "debug_ctrl",
.addr = 9,
.width = 32,
},
- [EICE_W0_DATA_VALUE ] = {
+ [EICE_W0_DATA_VALUE] = {
.name = "watch_0_data_value",
.addr = 10,
.width = 32,
},
};
-
static int embeddedice_get_reg(struct reg *reg)
{
- int retval;
-
- if ((retval = embeddedice_read_reg(reg)) != ERROR_OK)
+ int retval = embeddedice_read_reg(reg);
+ if (retval != ERROR_OK) {
LOG_ERROR("error queueing EmbeddedICE register read");
- else if ((retval = jtag_execute_queue()) != ERROR_OK)
+ return retval;
+ }
+
+ retval = jtag_execute_queue();
+ if (retval != ERROR_OK)
LOG_ERROR("EmbeddedICE register read failed");
return retval;
* Different versions of the modules have different capabilities, such as
* hardware support for vector_catch, single stepping, and monitor mode.
*/
-struct reg_cache *
-embeddedice_build_reg_cache(struct target *target, struct arm7_9_common *arm7_9)
+struct reg_cache *embeddedice_build_reg_cache(struct target *target,
+ struct arm7_9_common *arm7_9)
{
int retval;
struct reg_cache *reg_cache = malloc(sizeof(struct reg_cache));
*/
/* set up registers */
- for (i = 0; i < num_regs; i++)
- {
+ for (i = 0; i < num_regs; i++) {
reg_list[i].name = eice_regs[i].name;
reg_list[i].size = eice_regs[i].width;
- reg_list[i].dirty = 0;
- reg_list[i].valid = 0;
+ reg_list[i].dirty = false;
+ reg_list[i].valid = false;
reg_list[i].value = calloc(1, 4);
reg_list[i].arch_info = &arch_info[i];
reg_list[i].type = &eice_reg_type;
/* identify EmbeddedICE version by reading DCC control register */
embeddedice_read_reg(®_list[EICE_COMMS_CTRL]);
- if ((retval = jtag_execute_queue()) != ERROR_OK)
- {
+ retval = jtag_execute_queue();
+ if (retval != ERROR_OK) {
for (i = 0; i < num_regs; i++)
- {
free(reg_list[i].value);
- }
free(reg_list);
free(reg_cache);
free(arch_info);
eice_version = buf_get_u32(reg_list[EICE_COMMS_CTRL].value, 28, 4);
LOG_INFO("Embedded ICE version %d", eice_version);
- switch (eice_version)
- {
+ switch (eice_version) {
case 1:
/* ARM7TDMI r3, ARM7TDMI-S r3
*
* and do the appropriate setup itself.
*/
if (strcmp(target_type_name(target), "feroceon") == 0 ||
- strcmp(target_type_name(target), "dragonite") == 0)
+ strcmp(target_type_name(target), "dragonite") == 0)
break;
LOG_ERROR("unknown EmbeddedICE version "
"(comms ctrl: 0x%8.8" PRIx32 ")",
return reg_cache;
}
+/**
+ * Free all memory allocated for EmbeddedICE register cache
+ */
+void embeddedice_free_reg_cache(struct reg_cache *reg_cache)
+{
+ if (!reg_cache)
+ return;
+
+ for (unsigned int i = 0; i < reg_cache->num_regs; i++)
+ free(reg_cache->reg_list[i].value);
+
+ free(reg_cache->reg_list[0].arch_info);
+ free(reg_cache->reg_list);
+ free(reg_cache);
+}
+
/**
* Initialize EmbeddedICE module, if needed.
*/
* that manages break requests. ARM's "Angel Debug Monitor" is one
* common example of such code.
*/
- if (arm7_9->has_monitor_mode)
- {
+ if (arm7_9->has_monitor_mode) {
struct reg *dbg_ctrl = &arm7_9->eice_cache->reg_list[EICE_DBG_CTRL];
embeddedice_read_reg(dbg_ctrl);
- if ((retval = jtag_execute_queue()) != ERROR_OK)
+ retval = jtag_execute_queue();
+ if (retval != ERROR_OK)
return retval;
buf_set_u32(dbg_ctrl->value, 4, 1, 0);
embeddedice_set_reg_w_exec(dbg_ctrl, dbg_ctrl->value);
if (retval != ERROR_OK)
return retval;
- retval = arm_jtag_set_instr(ice_reg->jtag_info, ice_reg->jtag_info->intest_instr, NULL, TAP_IDLE);
+ retval = arm_jtag_set_instr(ice_reg->jtag_info->tap,
+ ice_reg->jtag_info->intest_instr, NULL, TAP_IDLE);
if (retval != ERROR_OK)
return retval;
retval = arm_jtag_scann(jtag_info, 0x2, TAP_IDLE);
if (retval != ERROR_OK)
return retval;
- retval = arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, NULL, TAP_IDLE);
+ retval = arm_jtag_set_instr(jtag_info->tap, jtag_info->intest_instr, NULL, TAP_IDLE);
if (retval != ERROR_OK)
return retval;
jtag_add_dr_scan(jtag_info->tap, 3, fields, TAP_IDLE);
- while (size > 0)
- {
+ while (size > 0) {
/* when reading the last item, set the register address to the DCC control reg,
* to avoid reading additional data from the DCC data reg
*/
embeddedice_write_reg(reg, value);
buf_set_u32(reg->value, 0, reg->size, value);
- reg->valid = 1;
- reg->dirty = 0;
+ reg->valid = true;
+ reg->dirty = false;
}
int retval;
embeddedice_set_reg(reg, buf_get_u32(buf, 0, reg->size));
- if ((retval = jtag_execute_queue()) != ERROR_OK)
+ retval = jtag_execute_queue();
+ if (retval != ERROR_OK)
LOG_ERROR("register write failed");
return retval;
}
arm_jtag_scann(ice_reg->jtag_info, 0x2, TAP_IDLE);
- arm_jtag_set_instr(ice_reg->jtag_info, ice_reg->jtag_info->intest_instr, NULL, TAP_IDLE);
+ arm_jtag_set_instr(ice_reg->jtag_info->tap, ice_reg->jtag_info->intest_instr, NULL, TAP_IDLE);
uint8_t reg_addr = ice_reg->addr & 0x1f;
embeddedice_write_reg_inner(ice_reg->jtag_info->tap, reg_addr, value);
retval = arm_jtag_scann(jtag_info, 0x2, TAP_IDLE);
if (retval != ERROR_OK)
return retval;
- retval = arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, NULL, TAP_IDLE);
+ retval = arm_jtag_set_instr(jtag_info->tap, jtag_info->intest_instr, NULL, TAP_IDLE);
if (retval != ERROR_OK)
return retval;
fields[2].in_value = NULL;
- while (size > 0)
- {
+ while (size > 0) {
buf_set_u32(field0_out, 0, 32, *data);
jtag_add_dr_scan(jtag_info->tap, 3, fields, TAP_IDLE);
uint8_t field2_out[1];
int retval;
uint32_t hsact;
- struct timeval lap;
struct timeval now;
+ struct timeval timeout_end;
if (hsbit == EICE_COMM_CTRL_WBIT)
hsact = 1;
else if (hsbit == EICE_COMM_CTRL_RBIT)
hsact = 0;
- else
- {
+ else {
LOG_ERROR("Invalid arguments");
- return ERROR_INVALID_ARGUMENTS;
+ return ERROR_COMMAND_SYNTAX_ERROR;
}
retval = arm_jtag_scann(jtag_info, 0x2, TAP_IDLE);
if (retval != ERROR_OK)
return retval;
- retval = arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, NULL, TAP_IDLE);
+ retval = arm_jtag_set_instr(jtag_info->tap, jtag_info->intest_instr, NULL, TAP_IDLE);
if (retval != ERROR_OK)
return retval;
fields[2].in_value = NULL;
jtag_add_dr_scan(jtag_info->tap, 3, fields, TAP_IDLE);
- gettimeofday(&lap, NULL);
+ gettimeofday(&timeout_end, NULL);
+ timeval_add_time(&timeout_end, 0, timeout * 1000);
do {
jtag_add_dr_scan(jtag_info->tap, 3, fields, TAP_IDLE);
- if ((retval = jtag_execute_queue()) != ERROR_OK)
+ retval = jtag_execute_queue();
+ if (retval != ERROR_OK)
return retval;
if (buf_get_u32(field0_in, hsbit, 1) == hsact)
return ERROR_OK;
gettimeofday(&now, NULL);
- } while ((uint32_t)((now.tv_sec - lap.tv_sec) * 1000
- + (now.tv_usec - lap.tv_usec) / 1000) <= timeout);
+ } while (timeval_compare(&now, &timeout_end) <= 0);
LOG_ERROR("embeddedice handshake timeout");
return ERROR_TARGET_TIMEOUT;
}
-#ifndef HAVE_JTAG_MINIDRIVER_H
/**
* This is an inner loop of the open loop DCC write of data to target
*/
{
int i;
- for (i = 0; i < count; i++)
- {
+ for (i = 0; i < count; i++) {
embeddedice_write_reg_inner(tap, reg_addr,
fast_target_buffer_get_u32(buffer, little));
buffer += 4;
}
}
-#else
-/* provided by minidriver */
-#endif
projects / fw / openocd / blobdiff