+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
/***************************************************************************
* Copyright (C) 2005 by Dominic Rath *
* Dominic.Rath@gmx.de *
* hontor@126.com *
* *
* Copyright (C) 2009 by David Brownell *
- * *
- * 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, see <http://www.gnu.org/licenses/>. *
***************************************************************************/
#ifdef HAVE_CONFIG_H
* shadowed registers, and support for the Thumb instruction set.
*
* Processor differences include things like presence or absence of MMU
- * and cache, pipeline sizes, use of a modified Harvard Architecure
- * (with separate instruction and data busses from the CPU), support
+ * and cache, pipeline sizes, use of a modified Harvard Architecture
+ * (with separate instruction and data buses from the CPU), support
* for cpu clock gating during idle, and more.
*/
{
if (!arm7_9->wp0_used) {
arm7_9->wp0_used = 1;
- breakpoint->set = 1;
+ breakpoint_hw_set(breakpoint, 0);
arm7_9->wp_available--;
} else if (!arm7_9->wp1_used) {
arm7_9->wp1_used = 1;
- breakpoint->set = 2;
+ breakpoint_hw_set(breakpoint, 1);
arm7_9->wp_available--;
- } else
+ } else {
LOG_ERROR("BUG: no hardware comparator available");
+ }
- LOG_DEBUG("BPID: %" PRId32 " (0x%08" TARGET_PRIxADDR ") using hw wp: %d",
+ LOG_DEBUG("BPID: %" PRIu32 " (0x%08" TARGET_PRIxADDR ") using hw wp: %u",
breakpoint->unique_id,
breakpoint->address,
- breakpoint->set);
+ breakpoint->number);
}
/**
embeddedice_set_reg(&arm7_9->eice_cache->reg_list[EICE_W0_DATA_VALUE], arm7_9->arm_bkpt);
embeddedice_set_reg(&arm7_9->eice_cache->reg_list[EICE_W0_DATA_MASK], 0x0);
embeddedice_set_reg(&arm7_9->eice_cache->reg_list[EICE_W0_ADDR_MASK], 0xffffffffu);
- embeddedice_set_reg(&arm7_9->eice_cache->reg_list[EICE_W0_CONTROL_MASK], ~EICE_W_CTRL_nOPC & 0xff);
+ embeddedice_set_reg(&arm7_9->eice_cache->reg_list[EICE_W0_CONTROL_MASK], ~EICE_W_CTRL_NOPC & 0xff);
embeddedice_set_reg(&arm7_9->eice_cache->reg_list[EICE_W0_CONTROL_VALUE], EICE_W_CTRL_ENABLE);
} else if (arm7_9->sw_breakpoints_added == 2) {
embeddedice_set_reg(&arm7_9->eice_cache->reg_list[EICE_W1_DATA_VALUE], arm7_9->arm_bkpt);
embeddedice_set_reg(&arm7_9->eice_cache->reg_list[EICE_W1_DATA_MASK], 0x0);
embeddedice_set_reg(&arm7_9->eice_cache->reg_list[EICE_W1_ADDR_MASK], 0xffffffffu);
- embeddedice_set_reg(&arm7_9->eice_cache->reg_list[EICE_W1_CONTROL_MASK], ~EICE_W_CTRL_nOPC & 0xff);
+ embeddedice_set_reg(&arm7_9->eice_cache->reg_list[EICE_W1_CONTROL_MASK], ~EICE_W_CTRL_NOPC & 0xff);
embeddedice_set_reg(&arm7_9->eice_cache->reg_list[EICE_W1_CONTROL_VALUE], EICE_W_CTRL_ENABLE);
} else {
LOG_ERROR("BUG: both watchpoints used, but wp_available >= 1");
struct arm7_9_common *arm7_9 = target_to_arm7_9(target);
int retval = ERROR_OK;
- LOG_DEBUG("BPID: %" PRId32 ", Address: 0x%08" TARGET_PRIxADDR ", Type: %d",
+ LOG_DEBUG("BPID: %" PRIu32 ", Address: 0x%08" TARGET_PRIxADDR ", Type: %d",
breakpoint->unique_id,
breakpoint->address,
breakpoint->type);
uint32_t mask = (breakpoint->length == 4) ? 0x3u : 0x1u;
/* reassign a hw breakpoint */
- if (breakpoint->set == 0)
+ if (!breakpoint->is_set)
arm7_9_assign_wp(arm7_9, breakpoint);
- if (breakpoint->set == 1) {
+ if (breakpoint->number == 0) {
embeddedice_set_reg(&arm7_9->eice_cache->reg_list[EICE_W0_ADDR_VALUE], breakpoint->address);
embeddedice_set_reg(&arm7_9->eice_cache->reg_list[EICE_W0_ADDR_MASK], mask);
embeddedice_set_reg(&arm7_9->eice_cache->reg_list[EICE_W0_DATA_MASK], 0xffffffffu);
- embeddedice_set_reg(&arm7_9->eice_cache->reg_list[EICE_W0_CONTROL_MASK], ~EICE_W_CTRL_nOPC & 0xff);
+ embeddedice_set_reg(&arm7_9->eice_cache->reg_list[EICE_W0_CONTROL_MASK], ~EICE_W_CTRL_NOPC & 0xff);
embeddedice_set_reg(&arm7_9->eice_cache->reg_list[EICE_W0_CONTROL_VALUE], EICE_W_CTRL_ENABLE);
- } else if (breakpoint->set == 2) {
+ } else if (breakpoint->number == 1) {
embeddedice_set_reg(&arm7_9->eice_cache->reg_list[EICE_W1_ADDR_VALUE], breakpoint->address);
embeddedice_set_reg(&arm7_9->eice_cache->reg_list[EICE_W1_ADDR_MASK], mask);
embeddedice_set_reg(&arm7_9->eice_cache->reg_list[EICE_W1_DATA_MASK], 0xffffffffu);
- embeddedice_set_reg(&arm7_9->eice_cache->reg_list[EICE_W1_CONTROL_MASK], ~EICE_W_CTRL_nOPC & 0xff);
+ embeddedice_set_reg(&arm7_9->eice_cache->reg_list[EICE_W1_CONTROL_MASK], ~EICE_W_CTRL_NOPC & 0xff);
embeddedice_set_reg(&arm7_9->eice_cache->reg_list[EICE_W1_CONTROL_VALUE], EICE_W_CTRL_ENABLE);
} else {
LOG_ERROR("BUG: no hardware comparator available");
retval = jtag_execute_queue();
} else if (breakpoint->type == BKPT_SOFT) {
/* did we already set this breakpoint? */
- if (breakpoint->set)
+ if (breakpoint->is_set)
return ERROR_OK;
if (breakpoint->length == 4) {
arm7_9->sw_breakpoint_count++;
- breakpoint->set = 1;
+ breakpoint->is_set = true;
}
return retval;
int retval = ERROR_OK;
struct arm7_9_common *arm7_9 = target_to_arm7_9(target);
- LOG_DEBUG("BPID: %" PRId32 ", Address: 0x%08" TARGET_PRIxADDR,
+ LOG_DEBUG("BPID: %" PRIu32 ", Address: 0x%08" TARGET_PRIxADDR,
breakpoint->unique_id,
breakpoint->address);
- if (!breakpoint->set) {
+ if (!breakpoint->is_set) {
LOG_WARNING("breakpoint not set");
return ERROR_OK;
}
if (breakpoint->type == BKPT_HARD) {
- LOG_DEBUG("BPID: %" PRId32 " Releasing hw wp: %d",
+ LOG_DEBUG("BPID: %" PRIu32 " Releasing hw wp: %d",
breakpoint->unique_id,
- breakpoint->set);
- if (breakpoint->set == 1) {
+ breakpoint->is_set);
+ if (breakpoint->number == 0) {
embeddedice_set_reg(&arm7_9->eice_cache->reg_list[EICE_W0_CONTROL_VALUE], 0x0);
arm7_9->wp0_used = 0;
arm7_9->wp_available++;
- } else if (breakpoint->set == 2) {
+ } else if (breakpoint->number == 1) {
embeddedice_set_reg(&arm7_9->eice_cache->reg_list[EICE_W1_CONTROL_VALUE], 0x0);
arm7_9->wp1_used = 0;
arm7_9->wp_available++;
}
retval = jtag_execute_queue();
- breakpoint->set = 0;
+ breakpoint->is_set = false;
} else {
/* restore original instruction (kept in target endianness) */
if (breakpoint->length == 4) {
EICE_W1_CONTROL_VALUE], 0);
}
- breakpoint->set = 0;
+ breakpoint->is_set = false;
}
return retval;
embeddedice_set_reg(&arm7_9->eice_cache->reg_list[EICE_W0_DATA_VALUE],
watchpoint->value);
embeddedice_set_reg(&arm7_9->eice_cache->reg_list[EICE_W0_CONTROL_MASK],
- 0xff & ~EICE_W_CTRL_nOPC & ~rw_mask);
+ 0xff & ~EICE_W_CTRL_NOPC & ~rw_mask);
embeddedice_set_reg(&arm7_9->eice_cache->reg_list[EICE_W0_CONTROL_VALUE],
- EICE_W_CTRL_ENABLE | EICE_W_CTRL_nOPC | (watchpoint->rw & 1));
+ EICE_W_CTRL_ENABLE | EICE_W_CTRL_NOPC | (watchpoint->rw & 1));
retval = jtag_execute_queue();
if (retval != ERROR_OK)
return retval;
- watchpoint->set = 1;
+ watchpoint_set(watchpoint, 1);
arm7_9->wp0_used = 2;
} else if (!arm7_9->wp1_used) {
embeddedice_set_reg(&arm7_9->eice_cache->reg_list[EICE_W1_ADDR_VALUE],
embeddedice_set_reg(&arm7_9->eice_cache->reg_list[EICE_W1_DATA_VALUE],
watchpoint->value);
embeddedice_set_reg(&arm7_9->eice_cache->reg_list[EICE_W1_CONTROL_MASK],
- 0xff & ~EICE_W_CTRL_nOPC & ~rw_mask);
+ 0xff & ~EICE_W_CTRL_NOPC & ~rw_mask);
embeddedice_set_reg(&arm7_9->eice_cache->reg_list[EICE_W1_CONTROL_VALUE],
- EICE_W_CTRL_ENABLE | EICE_W_CTRL_nOPC | (watchpoint->rw & 1));
+ EICE_W_CTRL_ENABLE | EICE_W_CTRL_NOPC | (watchpoint->rw & 1));
retval = jtag_execute_queue();
if (retval != ERROR_OK)
return retval;
- watchpoint->set = 2;
+ watchpoint_set(watchpoint, 2);
arm7_9->wp1_used = 2;
} else {
LOG_ERROR("BUG: no hardware comparator available");
return ERROR_TARGET_NOT_HALTED;
}
- if (!watchpoint->set) {
+ if (!watchpoint->is_set) {
LOG_WARNING("breakpoint not set");
return ERROR_OK;
}
- if (watchpoint->set == 1) {
+ if (watchpoint->number == 1) {
embeddedice_set_reg(&arm7_9->eice_cache->reg_list[EICE_W0_CONTROL_VALUE], 0x0);
retval = jtag_execute_queue();
if (retval != ERROR_OK)
return retval;
arm7_9->wp0_used = 0;
- } else if (watchpoint->set == 2) {
+ } else if (watchpoint->number == 2) {
embeddedice_set_reg(&arm7_9->eice_cache->reg_list[EICE_W1_CONTROL_VALUE], 0x0);
retval = jtag_execute_queue();
if (retval != ERROR_OK)
return retval;
arm7_9->wp1_used = 0;
}
- watchpoint->set = 0;
+ watchpoint->is_set = false;
return ERROR_OK;
}
int retval = ERROR_OK;
struct arm7_9_common *arm7_9 = target_to_arm7_9(target);
- if (watchpoint->set) {
+ if (watchpoint->is_set) {
retval = arm7_9_unset_watchpoint(target, watchpoint);
if (retval != ERROR_OK)
return retval;
embeddedice_write_reg(&arm7_9->eice_cache->reg_list[EICE_W0_ADDR_MASK], 0x3);
embeddedice_write_reg(&arm7_9->eice_cache->reg_list[EICE_W0_DATA_MASK], 0xffffffff);
embeddedice_write_reg(&arm7_9->eice_cache->reg_list[EICE_W0_CONTROL_VALUE], EICE_W_CTRL_ENABLE);
- embeddedice_write_reg(&arm7_9->eice_cache->reg_list[EICE_W0_CONTROL_MASK], ~EICE_W_CTRL_nOPC & 0xff);
+ embeddedice_write_reg(&arm7_9->eice_cache->reg_list[EICE_W0_CONTROL_MASK], ~EICE_W_CTRL_NOPC & 0xff);
}
}
/**
* Clears the halt condition for an ARM7/9 target. If it isn't coming out of
- * reset and if DBGRQ is used, it is progammed to be deasserted. If the reset
+ * reset and if DBGRQ is used, it is programmed to be deasserted. If the reset
* vector catch was used, it is restored. Otherwise, the control value is
* restored and the watchpoint unit is restored if it was in use.
*
embeddedice_write_reg(&arm7_9->eice_cache->reg_list[EICE_W0_CONTROL_VALUE],
EICE_W_CTRL_ENABLE);
embeddedice_write_reg(&arm7_9->eice_cache->reg_list[EICE_W0_CONTROL_MASK],
- ~EICE_W_CTRL_nOPC & 0xff);
+ ~EICE_W_CTRL_NOPC & 0xff);
}
target->debug_reason = DBG_REASON_DBGRQ;
int retval;
struct arm7_9_common *arm7_9 = target_to_arm7_9(target);
struct arm *arm = &arm7_9->arm;
+ struct {
+ uint32_t value;
+ uint8_t *reg_p;
+ } read_cache[6 * (16 + 1)];
+ int read_cache_idx = 0;
LOG_DEBUG("-");
for (j = 0; j < 15; j++) {
if (!ARMV4_5_CORE_REG_MODE(arm->core_cache,
armv4_5_number_to_mode(i), j).valid) {
- reg_p[j] = (uint32_t *)ARMV4_5_CORE_REG_MODE(
+ read_cache[read_cache_idx].reg_p = ARMV4_5_CORE_REG_MODE(
arm->core_cache,
armv4_5_number_to_mode(i),
j).value;
+ reg_p[j] = &read_cache[read_cache_idx].value;
+ read_cache_idx++;
mask |= 1 << j;
ARMV4_5_CORE_REG_MODE(arm->core_cache,
armv4_5_number_to_mode(i),
/* check if the PSR has to be read */
if (!ARMV4_5_CORE_REG_MODE(arm->core_cache, armv4_5_number_to_mode(i),
16).valid) {
- arm7_9->read_xpsr(target,
- (uint32_t *)ARMV4_5_CORE_REG_MODE(arm->core_cache,
- armv4_5_number_to_mode(i), 16).value, 1);
+ read_cache[read_cache_idx].reg_p = ARMV4_5_CORE_REG_MODE(arm->core_cache,
+ armv4_5_number_to_mode(i), 16).value;
+ arm7_9->read_xpsr(target, &read_cache[read_cache_idx].value, 1);
+ read_cache_idx++;
ARMV4_5_CORE_REG_MODE(arm->core_cache, armv4_5_number_to_mode(i),
16).valid = true;
ARMV4_5_CORE_REG_MODE(arm->core_cache, armv4_5_number_to_mode(i),
retval = jtag_execute_queue();
if (retval != ERROR_OK)
return retval;
+ /*
+ * FIXME: regs in cache should be tagged as 'valid' only now,
+ * not before the jtag_execute_queue()
+ */
+ while (read_cache_idx) {
+ read_cache_idx--;
+ buf_set_u32(read_cache[read_cache_idx].reg_p, 0, 32, read_cache[read_cache_idx].value);
+ }
return ERROR_OK;
}
struct watchpoint *watchpoint = target->watchpoints;
while (watchpoint) {
- if (watchpoint->set == 0)
+ if (!watchpoint->is_set)
arm7_9_set_watchpoint(target, watchpoint);
watchpoint = watchpoint->next;
}
struct breakpoint *breakpoint;
breakpoint = breakpoint_find(target,
buf_get_u32(arm->pc->value, 0, 32));
- if (breakpoint != NULL) {
- LOG_DEBUG("unset breakpoint at 0x%8.8" TARGET_PRIxADDR " (id: %" PRId32,
+ if (breakpoint) {
+ LOG_DEBUG("unset breakpoint at 0x%8.8" TARGET_PRIxADDR " (id: %" PRIu32,
breakpoint->address,
breakpoint->unique_id);
retval = arm7_9_unset_breakpoint(target, breakpoint);
embeddedice_write_reg(&arm7_9->eice_cache->reg_list[EICE_W0_CONTROL_VALUE],
EICE_W_CTRL_ENABLE);
embeddedice_write_reg(&arm7_9->eice_cache->reg_list[EICE_W0_CONTROL_MASK],
- ~(EICE_W_CTRL_RANGE | EICE_W_CTRL_nOPC) & 0xff);
+ ~(EICE_W_CTRL_RANGE | EICE_W_CTRL_NOPC) & 0xff);
embeddedice_write_reg(&arm7_9->eice_cache->reg_list[EICE_W1_ADDR_VALUE],
current_pc);
embeddedice_write_reg(&arm7_9->eice_cache->reg_list[EICE_W1_ADDR_MASK], 0);
embeddedice_write_reg(&arm7_9->eice_cache->reg_list[EICE_W1_DATA_MASK], 0xffffffff);
embeddedice_write_reg(&arm7_9->eice_cache->reg_list[EICE_W1_CONTROL_VALUE], 0x0);
embeddedice_write_reg(&arm7_9->eice_cache->reg_list[EICE_W1_CONTROL_MASK],
- ~EICE_W_CTRL_nOPC & 0xff);
+ ~EICE_W_CTRL_NOPC & 0xff);
} else {
embeddedice_write_reg(&arm7_9->eice_cache->reg_list[EICE_W0_ADDR_MASK], 0xffffffff);
embeddedice_write_reg(&arm7_9->eice_cache->reg_list[EICE_W0_DATA_MASK], 0xffffffff);
embeddedice_write_reg(&arm7_9->eice_cache->reg_list[EICE_W1_CONTROL_VALUE],
EICE_W_CTRL_ENABLE);
embeddedice_write_reg(&arm7_9->eice_cache->reg_list[EICE_W1_CONTROL_MASK],
- ~EICE_W_CTRL_nOPC & 0xff);
+ ~EICE_W_CTRL_NOPC & 0xff);
}
}
/* the front-end may request us not to handle breakpoints */
if (handle_breakpoints)
breakpoint = breakpoint_find(target, current_pc);
- if (breakpoint != NULL) {
+ if (breakpoint) {
retval = arm7_9_unset_breakpoint(target, breakpoint);
if (retval != ERROR_OK)
return retval;
struct reg_cache *t, **cache_p;
t = embeddedice_build_reg_cache(target, arm7_9);
- if (t == NULL)
+ if (!t)
return ERROR_FAIL;
cache_p = register_get_last_cache_p(&target->reg_cache);
return retval;
}
+void arm7_9_deinit(struct target *target)
+{
+ struct arm7_9_common *arm7_9 = target_to_arm7_9(target);
+
+ if (target_was_examined(target))
+ embeddedice_free_reg_cache(arm7_9->eice_cache);
+
+ arm_jtag_close_connection(&arm7_9->jtag_info);
+}
int arm7_9_check_reset(struct target *target)
{
struct arm7_9_common *arm7_9 = target_to_arm7_9(target);
if (!is_arm7_9(arm7_9)) {
- command_print(CMD_CTX, "current target isn't an ARM7/ARM9 target");
+ command_print(CMD, "current target isn't an ARM7/ARM9 target");
return ERROR_TARGET_INVALID;
}
if (CMD_ARGC > 0)
COMMAND_PARSE_ENABLE(CMD_ARGV[0], arm7_9->use_dbgrq);
- command_print(CMD_CTX,
+ command_print(CMD,
"use of EmbeddedICE dbgrq instead of breakpoint for target halt %s",
(arm7_9->use_dbgrq) ? "enabled" : "disabled");
struct arm7_9_common *arm7_9 = target_to_arm7_9(target);
if (!is_arm7_9(arm7_9)) {
- command_print(CMD_CTX, "current target isn't an ARM7/ARM9 target");
+ command_print(CMD, "current target isn't an ARM7/ARM9 target");
return ERROR_TARGET_INVALID;
}
if (CMD_ARGC > 0)
COMMAND_PARSE_ENABLE(CMD_ARGV[0], arm7_9->fast_memory_access);
- command_print(CMD_CTX,
+ command_print(CMD,
"fast memory access is %s",
(arm7_9->fast_memory_access) ? "enabled" : "disabled");
struct arm7_9_common *arm7_9 = target_to_arm7_9(target);
if (!is_arm7_9(arm7_9)) {
- command_print(CMD_CTX, "current target isn't an ARM7/ARM9 target");
+ command_print(CMD, "current target isn't an ARM7/ARM9 target");
return ERROR_TARGET_INVALID;
}
if (CMD_ARGC > 0)
COMMAND_PARSE_ENABLE(CMD_ARGV[0], arm7_9->dcc_downloads);
- command_print(CMD_CTX,
+ command_print(CMD,
"dcc downloads are %s",
(arm7_9->dcc_downloads) ? "enabled" : "disabled");
arm7_9->dcc_downloads = false;
arm->arch_info = arm7_9;
- arm->core_type = ARM_MODE_ANY;
+ arm->core_type = ARM_CORE_TYPE_STD;
arm->read_core_reg = arm7_9_read_core_reg;
arm->write_core_reg = arm7_9_write_core_reg;
arm->full_context = arm7_9_full_context;
static const struct command_registration arm7_9_any_command_handlers[] = {
{
- "dbgrq",
+ .name = "dbgrq",
.handler = handle_arm7_9_dbgrq_command,
.mode = COMMAND_ANY,
.usage = "['enable'|'disable']",
"for target halt requests",
},
{
- "fast_memory_access",
+ .name = "fast_memory_access",
.handler = handle_arm7_9_fast_memory_access_command,
.mode = COMMAND_ANY,
.usage = "['enable'|'disable']",
"but potentially safer accesses",
},
{
- "dcc_downloads",
+ .name = "dcc_downloads",
.handler = handle_arm7_9_dcc_downloads_command,
.mode = COMMAND_ANY,
.usage = "['enable'|'disable']",
projects / fw / openocd / blobdiff