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-rw-r--r--src/rtos/ChibiOS.c6
-rw-r--r--src/rtos/FreeRTOS.c2
-rw-r--r--src/rtos/Makefile.am56
-rw-r--r--src/rtos/ThreadX.c4
-rw-r--r--src/rtos/eCos.c4
-rw-r--r--src/rtos/embKernel.c6
-rw-r--r--src/rtos/linux.c13
-rw-r--r--src/rtos/mqx.c10
-rw-r--r--src/rtos/rtos.c45
-rw-r--r--src/rtos/rtos_ucos_iii_stackings.c53
-rw-r--r--src/rtos/rtos_ucos_iii_stackings.h30
-rw-r--r--src/rtos/uCOS-III.c509
12 files changed, 675 insertions, 63 deletions
diff --git a/src/rtos/ChibiOS.c b/src/rtos/ChibiOS.c
index 00e9df7..1bc1af8 100644
--- a/src/rtos/ChibiOS.c
+++ b/src/rtos/ChibiOS.c
@@ -440,11 +440,11 @@ static int ChibiOS_update_threads(struct rtos *rtos)
if (threadState < CHIBIOS_NUM_STATES)
state_desc = ChibiOS_thread_states[threadState];
else
- state_desc = "Unknown state";
+ state_desc = "Unknown";
curr_thrd_details->extra_info_str = malloc(strlen(
- state_desc)+1);
- strcpy(curr_thrd_details->extra_info_str, state_desc);
+ state_desc)+8);
+ sprintf(curr_thrd_details->extra_info_str, "State: %s", state_desc);
curr_thrd_details->exists = true;
diff --git a/src/rtos/FreeRTOS.c b/src/rtos/FreeRTOS.c
index 52cebad..83961eb 100644
--- a/src/rtos/FreeRTOS.c
+++ b/src/rtos/FreeRTOS.c
@@ -362,7 +362,7 @@ static int FreeRTOS_update_threads(struct rtos *rtos)
rtos->thread_details[tasks_found].exists = true;
if (rtos->thread_details[tasks_found].threadid == rtos->current_thread) {
- char running_str[] = "Running";
+ char running_str[] = "State: Running";
rtos->thread_details[tasks_found].extra_info_str = malloc(
sizeof(running_str));
strcpy(rtos->thread_details[tasks_found].extra_info_str,
diff --git a/src/rtos/Makefile.am b/src/rtos/Makefile.am
index a7dab00..22f7da5 100644
--- a/src/rtos/Makefile.am
+++ b/src/rtos/Makefile.am
@@ -1,32 +1,34 @@
-# ***************************************************************************
-# * Copyright (C) 2011 by Broadcom Corporation *
-# * Evan Hunter - ehunter@broadcom.com *
-# * *
-# * 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/>. *
-# ***************************************************************************
+noinst_LTLIBRARIES += %D%/librtos.la
+%C%_librtos_la_SOURCES = \
+ %D%/rtos.c \
+ %D%/rtos_standard_stackings.c \
+ %D%/rtos_ecos_stackings.c \
+ %D%/rtos_chibios_stackings.c \
+ %D%/rtos_embkernel_stackings.c \
+ %D%/rtos_mqx_stackings.c \
+ %D%/rtos_ucos_iii_stackings.c \
+ %D%/FreeRTOS.c \
+ %D%/ThreadX.c \
+ %D%/eCos.c \
+ %D%/linux.c \
+ %D%/ChibiOS.c \
+ %D%/embKernel.c \
+ %D%/mqx.c \
+ %D%/riscv_debug.c \
+ %D%/uCOS-III.c \
+ %D%/rtos.h \
+ %D%/rtos_standard_stackings.h \
+ %D%/rtos_ecos_stackings.h \
+ %D%/linux_header.h \
+ %D%/rtos_chibios_stackings.h \
+ %D%/rtos_embkernel_stackings.h \
+ %D%/rtos_mqx_stackings.h \
+ %D%/rtos_ucos_iii_stackings.h \
+ %D%/riscv_debug.h
-include $(top_srcdir)/common.mk
+%C%_librtos_la_CFLAGS = $(AM_CFLAGS)
-METASOURCES = AUTO
-noinst_LTLIBRARIES = librtos.la
-noinst_HEADERS = rtos.h rtos_standard_stackings.h rtos_ecos_stackings.h linux_header.h rtos_chibios_stackings.h rtos_embkernel_stackings.h rtos_mqx_stackings.h riscv_debug.h
-librtos_la_SOURCES = rtos.c rtos_standard_stackings.c rtos_ecos_stackings.c rtos_chibios_stackings.c rtos_embkernel_stackings.c rtos_mqx_stackings.c FreeRTOS.c ThreadX.c eCos.c linux.c ChibiOS.c embKernel.c mqx.c riscv_debug.c
-
-librtos_la_CFLAGS =
if IS_MINGW
# FD_* macros are sloppy with their signs on MinGW32 platform
-librtos_la_CFLAGS += -Wno-sign-compare
+%C%_librtos_la_CFLAGS += -Wno-sign-compare
endif
-
-MAINTAINERCLEANFILES = $(srcdir)/Makefile.in
diff --git a/src/rtos/ThreadX.c b/src/rtos/ThreadX.c
index 8267b9f..ab8a66e 100644
--- a/src/rtos/ThreadX.c
+++ b/src/rtos/ThreadX.c
@@ -408,8 +408,8 @@ static int ThreadX_update_threads(struct rtos *rtos)
state_desc = "Unknown state";
rtos->thread_details[tasks_found].extra_info_str = malloc(strlen(
- state_desc)+1);
- strcpy(rtos->thread_details[tasks_found].extra_info_str, state_desc);
+ state_desc)+8);
+ sprintf(rtos->thread_details[tasks_found].extra_info_str, "State: %s", state_desc);
rtos->thread_details[tasks_found].exists = true;
diff --git a/src/rtos/eCos.c b/src/rtos/eCos.c
index e38e11f..edc3d8b 100644
--- a/src/rtos/eCos.c
+++ b/src/rtos/eCos.c
@@ -261,8 +261,8 @@ static int eCos_update_threads(struct rtos *rtos)
state_desc = "Unknown state";
rtos->thread_details[tasks_found].extra_info_str = malloc(strlen(
- state_desc)+1);
- strcpy(rtos->thread_details[tasks_found].extra_info_str, state_desc);
+ state_desc)+8);
+ sprintf(rtos->thread_details[tasks_found].extra_info_str, "State: %s", state_desc);
rtos->thread_details[tasks_found].exists = true;
diff --git a/src/rtos/embKernel.c b/src/rtos/embKernel.c
index ceb313f..e515383 100644
--- a/src/rtos/embKernel.c
+++ b/src/rtos/embKernel.c
@@ -168,11 +168,11 @@ static int embKernel_get_tasks_details(struct rtos *rtos, int64_t iterable, cons
return retval;
details->extra_info_str = malloc(EMBKERNEL_MAX_THREAD_NAME_STR_SIZE);
if (task == rtos->current_thread) {
- snprintf(details->extra_info_str, EMBKERNEL_MAX_THREAD_NAME_STR_SIZE, "Pri=%u, Running",
+ snprintf(details->extra_info_str, EMBKERNEL_MAX_THREAD_NAME_STR_SIZE, "State: Running, Priority: %u",
(unsigned int) priority);
} else {
- snprintf(details->extra_info_str, EMBKERNEL_MAX_THREAD_NAME_STR_SIZE, "Pri=%u, %s", (unsigned int) priority,
- state_str);
+ snprintf(details->extra_info_str, EMBKERNEL_MAX_THREAD_NAME_STR_SIZE, "State: %s, Priority: %u",
+ state_str, (unsigned int) priority);
}
LOG_OUTPUT("Getting task details: iterable=0x%08X, task=0x%08X, name=%s\n", (unsigned int)iterable,
diff --git a/src/rtos/linux.c b/src/rtos/linux.c
index 8c150af..3efaab1 100644
--- a/src/rtos/linux.c
+++ b/src/rtos/linux.c
@@ -105,11 +105,11 @@ static int linux_os_dummy_update(struct rtos *rtos)
return 0;
}
-static int linux_compute_virt2phys(struct target *target, uint32_t address)
+static int linux_compute_virt2phys(struct target *target, target_addr_t address)
{
struct linux_os *linux_os = (struct linux_os *)
target->rtos->rtos_specific_params;
- uint32_t pa = 0;
+ target_addr_t pa = 0;
int retval = target->type->virt2phys(target, address, &pa);
if (retval != ERROR_OK) {
LOG_ERROR("Cannot compute linux virt2phys translation");
@@ -1213,7 +1213,7 @@ int linux_thread_extra_info(struct target *target,
if (temp->threadid == threadid) {
char *pid = " PID: ";
char *pid_current = "*PID: ";
- char *name = "NAME: ";
+ char *name = "Name: ";
int str_size = strlen(pid) + strlen(name);
char *tmp_str = calloc(1, str_size + 50);
char *tmp_str_ptr = tmp_str;
@@ -1225,13 +1225,12 @@ int linux_thread_extra_info(struct target *target,
else
tmp_str_ptr += sprintf(tmp_str_ptr, "%s", pid);
- tmp_str_ptr +=
- sprintf(tmp_str_ptr, "%d", (int)temp->pid);
- tmp_str_ptr += sprintf(tmp_str_ptr, "%s", " | ");
+ tmp_str_ptr += sprintf(tmp_str_ptr, "%d, ", (int)temp->pid);
sprintf(tmp_str_ptr, "%s", name);
sprintf(tmp_str_ptr, "%s", temp->name);
char *hex_str = calloc(1, strlen(tmp_str) * 2 + 1);
- int pkt_len = hexify(hex_str, tmp_str, 0, strlen(tmp_str) * 2 + 1);
+ size_t pkt_len = hexify(hex_str, (const uint8_t *)tmp_str,
+ strlen(tmp_str), strlen(tmp_str) * 2 + 1);
gdb_put_packet(connection, hex_str, pkt_len);
free(hex_str);
free(tmp_str);
diff --git a/src/rtos/mqx.c b/src/rtos/mqx.c
index b8095a0..63a48c5 100644
--- a/src/rtos/mqx.c
+++ b/src/rtos/mqx.c
@@ -353,7 +353,7 @@ static int mqx_update_threads(
uint32_t task_name_addr = 0, task_id = 0, task_errno = 0;
uint32_t state_index = 0, state_max = 0;
uint32_t extra_info_length = 0;
- char *state_name = "unknown state";
+ char *state_name = "Unknown";
/* set current taskpool address */
if (ERROR_OK != mqx_get_member(
@@ -435,13 +435,13 @@ static int mqx_update_threads(
* calculate length as:
* state length + address length + errno length + formatter length
*/
- extra_info_length += strlen((void *)state_name) + 8 + 8 + 8;
+ extra_info_length += strlen((void *)state_name) + 7 + 13 + 8 + 15 + 8;
rtos->thread_details[i].extra_info_str = malloc(extra_info_length + 1);
if (NULL == rtos->thread_details[i].extra_info_str)
return ERROR_FAIL;
- snprintf(
- rtos->thread_details[i].extra_info_str, extra_info_length, "%s : 0x%"PRIx32 " : %" PRIu32,
- state_name, task_addr, task_errno
+ snprintf(rtos->thread_details[i].extra_info_str, extra_info_length,
+ "State: %s, Address: 0x%" PRIx32 ", Error Code: %" PRIu32,
+ state_name, task_addr, task_errno
);
/* set active thread */
if (active_td_addr == task_addr)
diff --git a/src/rtos/rtos.c b/src/rtos/rtos.c
index 9bf218e..5e8ce48 100644
--- a/src/rtos/rtos.c
+++ b/src/rtos/rtos.c
@@ -34,6 +34,7 @@ extern struct rtos_type Linux_os;
extern struct rtos_type ChibiOS_rtos;
extern struct rtos_type embKernel_rtos;
extern struct rtos_type mqx_rtos;
+extern struct rtos_type uCOS_III_rtos;
extern struct rtos_type riscv_rtos;
static struct rtos_type *rtos_types[] = {
@@ -44,6 +45,7 @@ static struct rtos_type *rtos_types[] = {
&ChibiOS_rtos,
&embKernel_rtos,
&mqx_rtos,
+ &uCOS_III_rtos,
&riscv_rtos,
NULL
};
@@ -107,6 +109,7 @@ int rtos_create(Jim_GetOptInfo *goi, struct target *target)
int x;
const char *cp;
struct Jim_Obj *res;
+ int e;
if (!goi->isconfigure && goi->argc != 0) {
Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "NO PARAMS");
@@ -115,7 +118,9 @@ int rtos_create(Jim_GetOptInfo *goi, struct target *target)
os_free(target);
- Jim_GetOpt_String(goi, &cp, NULL);
+ e = Jim_GetOpt_String(goi, &cp, NULL);
+ if (e != JIM_OK)
+ return e;
if (0 == strcmp(cp, "auto")) {
/* Auto detect tries to look up all symbols for each RTOS,
@@ -216,7 +221,7 @@ int rtos_qsymbol(struct connection *connection, char const *packet, int packet_s
goto done;
/* Decode any symbol name in the packet*/
- int len = unhexify(cur_sym, strchr(packet + 8, ':') + 1, strlen(strchr(packet + 8, ':') + 1));
+ size_t len = unhexify((uint8_t *)cur_sym, strchr(packet + 8, ':') + 1, strlen(strchr(packet + 8, ':') + 1));
cur_sym[len] = 0;
if ((strcmp(packet, "qSymbol::") != 0) && /* GDB is not offering symbol lookup for the first time */
@@ -264,7 +269,9 @@ int rtos_qsymbol(struct connection *connection, char const *packet, int packet_s
}
reply_len = snprintf(reply, sizeof(reply), "qSymbol:");
- reply_len += hexify(reply + reply_len, next_sym->symbol_name, 0, sizeof(reply) - reply_len);
+ reply_len += hexify(reply + reply_len,
+ (const uint8_t *)next_sym->symbol_name, strlen(next_sym->symbol_name),
+ sizeof(reply) - reply_len);
done:
gdb_put_packet(connection, reply, reply_len);
@@ -304,14 +311,14 @@ int rtos_thread_packet(struct connection *connection, char const *packet, int pa
if (detail->extra_info_str != NULL)
str_size += strlen(detail->extra_info_str);
- char *tmp_str = calloc(str_size + 4, sizeof(char));
+ char *tmp_str = calloc(str_size + 9, sizeof(char));
char *tmp_str_ptr = tmp_str;
if (detail->thread_name_str != NULL)
- tmp_str_ptr += sprintf(tmp_str_ptr, "%s", detail->thread_name_str);
+ tmp_str_ptr += sprintf(tmp_str_ptr, "Name: %s", detail->thread_name_str);
if (detail->extra_info_str != NULL) {
if (tmp_str_ptr != tmp_str)
- tmp_str_ptr += sprintf(tmp_str_ptr, " : ");
+ tmp_str_ptr += sprintf(tmp_str_ptr, ", ");
tmp_str_ptr += sprintf(tmp_str_ptr, "%s", detail->extra_info_str);
}
@@ -319,7 +326,8 @@ int rtos_thread_packet(struct connection *connection, char const *packet, int pa
(size_t) (tmp_str_ptr - tmp_str));
char *hex_str = malloc(strlen(tmp_str) * 2 + 1);
- int pkt_len = hexify(hex_str, tmp_str, 0, strlen(tmp_str) * 2 + 1);
+ size_t pkt_len = hexify(hex_str, (const uint8_t *)tmp_str,
+ strlen(tmp_str), strlen(tmp_str) * 2 + 1);
gdb_put_packet(connection, hex_str, pkt_len);
free(hex_str);
@@ -400,9 +408,14 @@ int rtos_thread_packet(struct connection *connection, char const *packet, int pa
} else if (packet[0] == 'H') { /* Set current thread ( 'c' for step and continue, 'g' for
* all other operations ) */
if ((packet[1] == 'g') && (target->rtos != NULL)) {
- sscanf(packet, "Hg%16" SCNx64, &target->rtos->current_threadid);
- LOG_DEBUG("RTOS: GDB requested to set current thread to 0x%" PRIx64 "\r\n",
- target->rtos->current_threadid);
+ threadid_t threadid;
+ sscanf(packet, "Hg%16" SCNx64, &threadid);
+ LOG_DEBUG("RTOS: GDB requested to set current thread to 0x%" PRIx64, threadid);
+ /* threadid of 0 indicates target should choose */
+ if (threadid == 0)
+ target->rtos->current_threadid = target->rtos->current_thread;
+ else
+ target->rtos->current_threadid = threadid;
}
gdb_put_packet(connection, "OK", 2);
return ERROR_OK;
@@ -426,9 +439,13 @@ int rtos_get_gdb_reg_list(struct connection *connection)
current_threadid,
target->rtos->current_thread);
- target->rtos->type->get_thread_reg_list(target->rtos,
- current_threadid,
- &hex_reg_list);
+ int retval = target->rtos->type->get_thread_reg_list(target->rtos,
+ current_threadid,
+ &hex_reg_list);
+ if (retval != ERROR_OK) {
+ LOG_ERROR("RTOS: failed to get register list");
+ return retval;
+ }
if (hex_reg_list != NULL) {
gdb_put_packet(connection, hex_reg_list, strlen(hex_reg_list));
@@ -546,5 +563,7 @@ void rtos_free_threadlist(struct rtos *rtos)
free(rtos->thread_details);
rtos->thread_details = NULL;
rtos->thread_count = 0;
+ rtos->current_threadid = -1;
+ rtos->current_thread = 0;
}
}
diff --git a/src/rtos/rtos_ucos_iii_stackings.c b/src/rtos/rtos_ucos_iii_stackings.c
new file mode 100644
index 0000000..f2f5564
--- /dev/null
+++ b/src/rtos/rtos_ucos_iii_stackings.c
@@ -0,0 +1,53 @@
+/***************************************************************************
+ * Copyright (C) 2016 by Square, Inc. *
+ * Steven Stallion <stallion@squareup.com> *
+ * *
+ * 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
+#include "config.h"
+#endif
+
+#include "rtos.h"
+#include "rtos_standard_stackings.h"
+#include "target/armv7m.h"
+
+static const struct stack_register_offset rtos_uCOS_III_Cortex_M_stack_offsets[ARMV7M_NUM_CORE_REGS] = {
+ { 0x20, 32 }, /* r0 */
+ { 0x24, 32 }, /* r1 */
+ { 0x28, 32 }, /* r2 */
+ { 0x2c, 32 }, /* r3 */
+ { 0x00, 32 }, /* r4 */
+ { 0x04, 32 }, /* r5 */
+ { 0x08, 32 }, /* r6 */
+ { 0x0c, 32 }, /* r7 */
+ { 0x10, 32 }, /* r8 */
+ { 0x14, 32 }, /* r9 */
+ { 0x18, 32 }, /* r10 */
+ { 0x1c, 32 }, /* r11 */
+ { 0x30, 32 }, /* r12 */
+ { -2, 32 }, /* sp */
+ { 0x34, 32 }, /* lr */
+ { 0x38, 32 }, /* pc */
+ { 0x3c, 32 }, /* xPSR */
+};
+
+const struct rtos_register_stacking rtos_uCOS_III_Cortex_M_stacking = {
+ 0x40, /* stack_registers_size */
+ -1, /* stack_growth_direction */
+ ARMV7M_NUM_CORE_REGS, /* num_output_registers */
+ rtos_generic_stack_align8, /* stack_alignment */
+ rtos_uCOS_III_Cortex_M_stack_offsets /* register_offsets */
+};
diff --git a/src/rtos/rtos_ucos_iii_stackings.h b/src/rtos/rtos_ucos_iii_stackings.h
new file mode 100644
index 0000000..c462cd7
--- /dev/null
+++ b/src/rtos/rtos_ucos_iii_stackings.h
@@ -0,0 +1,30 @@
+/***************************************************************************
+ * Copyright (C) 2016 by Square, Inc. *
+ * Steven Stallion <stallion@squareup.com> *
+ * *
+ * 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/>. *
+ ***************************************************************************/
+
+#ifndef OPENOCD_RTOS_RTOS_UCOS_III_STACKINGS_H
+#define OPENOCD_RTOS_RTOS_UCOS_III_STACKINGS_H
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "rtos.h"
+
+extern const struct rtos_register_stacking rtos_uCOS_III_Cortex_M_stacking;
+
+#endif /* OPENOCD_RTOS_RTOS_UCOS_III_STACKINGS_H */
diff --git a/src/rtos/uCOS-III.c b/src/rtos/uCOS-III.c
new file mode 100644
index 0000000..75cfe52
--- /dev/null
+++ b/src/rtos/uCOS-III.c
@@ -0,0 +1,509 @@
+/***************************************************************************
+ * Copyright (C) 2016 by Square, Inc. *
+ * Steven Stallion <stallion@squareup.com> *
+ * *
+ * 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
+#include "config.h"
+#endif
+
+#include <helper/time_support.h>
+#include <jtag/jtag.h>
+#include "target/target.h"
+#include "target/target_type.h"
+#include "rtos.h"
+#include "helper/log.h"
+#include "helper/types.h"
+#include "rtos/rtos_ucos_iii_stackings.h"
+
+#ifndef UCOS_III_MAX_STRLEN
+#define UCOS_III_MAX_STRLEN 64
+#endif
+
+#ifndef UCOS_III_MAX_THREADS
+#define UCOS_III_MAX_THREADS 256
+#endif
+
+struct uCOS_III_params {
+ const char *target_name;
+ const unsigned char pointer_width;
+ symbol_address_t thread_stack_offset;
+ symbol_address_t thread_name_offset;
+ symbol_address_t thread_state_offset;
+ symbol_address_t thread_priority_offset;
+ symbol_address_t thread_prev_offset;
+ symbol_address_t thread_next_offset;
+ bool thread_offsets_updated;
+ size_t threadid_start;
+ const struct rtos_register_stacking *stacking_info;
+ size_t num_threads;
+ symbol_address_t threads[];
+};
+
+static const struct uCOS_III_params uCOS_III_params_list[] = {
+ {
+ "cortex_m", /* target_name */
+ sizeof(uint32_t), /* pointer_width */
+ 0, /* thread_stack_offset */
+ 0, /* thread_name_offset */
+ 0, /* thread_state_offset */
+ 0, /* thread_priority_offset */
+ 0, /* thread_prev_offset */
+ 0, /* thread_next_offset */
+ false, /* thread_offsets_updated */
+ 1, /* threadid_start */
+ &rtos_uCOS_III_Cortex_M_stacking, /* stacking_info */
+ 0, /* num_threads */
+ },
+};
+
+static const char * const uCOS_III_symbol_list[] = {
+ "OSRunning",
+ "OSTCBCurPtr",
+ "OSTaskDbgListPtr",
+ "OSTaskQty",
+
+ /* also see: contrib/rtos-helpers/uCOS-III-openocd.c */
+ "openocd_OS_TCB_StkPtr_offset",
+ "openocd_OS_TCB_NamePtr_offset",
+ "openocd_OS_TCB_TaskState_offset",
+ "openocd_OS_TCB_Prio_offset",
+ "openocd_OS_TCB_DbgPrevPtr_offset",
+ "openocd_OS_TCB_DbgNextPtr_offset",
+ NULL
+};
+
+enum uCOS_III_symbol_values {
+ uCOS_III_VAL_OSRunning,
+ uCOS_III_VAL_OSTCBCurPtr,
+ uCOS_III_VAL_OSTaskDbgListPtr,
+ uCOS_III_VAL_OSTaskQty,
+
+ /* also see: contrib/rtos-helpers/uCOS-III-openocd.c */
+ uCOS_III_VAL_OS_TCB_StkPtr_offset,
+ uCOS_III_VAL_OS_TCB_NamePtr_offset,
+ uCOS_III_VAL_OS_TCB_TaskState_offset,
+ uCOS_III_VAL_OS_TCB_Prio_offset,
+ uCOS_III_VAL_OS_TCB_DbgPrevPtr_offset,
+ uCOS_III_VAL_OS_TCB_DbgNextPtr_offset,
+};
+
+static const char * const uCOS_III_thread_state_list[] = {
+ "Ready",
+ "Delay",
+ "Pend",
+ "Pend Timeout",
+ "Suspended",
+ "Delay Suspended",
+ "Pend Suspended",
+ "Pend Timeout Suspended",
+};
+
+static int uCOS_III_find_or_create_thread(struct rtos *rtos, symbol_address_t thread_address,
+ threadid_t *threadid)
+{
+ struct uCOS_III_params *params = rtos->rtos_specific_params;
+ size_t thread_index;
+
+ for (thread_index = 0; thread_index < params->num_threads; thread_index++)
+ if (params->threads[thread_index] == thread_address)
+ goto found;
+
+ if (params->num_threads == UCOS_III_MAX_THREADS) {
+ LOG_WARNING("uCOS-III: too many threads; increase UCOS_III_MAX_THREADS");
+ return ERROR_FAIL;
+ }
+
+ params->threads[thread_index] = thread_address;
+ params->num_threads++;
+found:
+ *threadid = thread_index + params->threadid_start;
+ return ERROR_OK;
+}
+
+static int uCOS_III_find_thread_address(struct rtos *rtos, threadid_t threadid,
+ symbol_address_t *thread_address)
+{
+ struct uCOS_III_params *params = rtos->rtos_specific_params;
+ size_t thread_index;
+
+ thread_index = threadid - params->threadid_start;
+ if (thread_index >= params->num_threads) {
+ LOG_ERROR("uCOS-III: failed to find thread address");
+ return ERROR_FAIL;
+ }
+
+ *thread_address = params->threads[thread_index];
+ return ERROR_OK;
+}
+
+static int uCOS_III_find_last_thread_address(struct rtos *rtos, symbol_address_t *thread_address)
+{
+ struct uCOS_III_params *params = rtos->rtos_specific_params;
+ int retval;
+
+ /* read the thread list head */
+ symbol_address_t thread_list_address = 0;
+
+ retval = target_read_memory(rtos->target,
+ rtos->symbols[uCOS_III_VAL_OSTaskDbgListPtr].address,
+ params->pointer_width,
+ 1,
+ (void *)&thread_list_address);
+ if (retval != ERROR_OK) {
+ LOG_ERROR("uCOS-III: failed to read thread list address");
+ return retval;
+ }
+
+ /* advance to end of thread list */
+ do {
+ *thread_address = thread_list_address;
+
+ retval = target_read_memory(rtos->target,
+ thread_list_address + params->thread_next_offset,
+ params->pointer_width,
+ 1,
+ (void *)&thread_list_address);
+ if (retval != ERROR_OK) {
+ LOG_ERROR("uCOS-III: failed to read next thread address");
+ return retval;
+ }
+ } while (thread_list_address != 0);
+
+ return ERROR_OK;
+}
+
+static int uCOS_III_update_thread_offsets(struct rtos *rtos)
+{
+ struct uCOS_III_params *params = rtos->rtos_specific_params;
+
+ if (params->thread_offsets_updated)
+ return ERROR_OK;
+
+ const struct thread_offset_map {
+ enum uCOS_III_symbol_values symbol_value;
+ symbol_address_t *thread_offset;
+ } thread_offset_maps[] = {
+ {
+ uCOS_III_VAL_OS_TCB_StkPtr_offset,
+ &params->thread_stack_offset,
+ },
+ {
+ uCOS_III_VAL_OS_TCB_NamePtr_offset,
+ &params->thread_name_offset,
+ },
+ {
+ uCOS_III_VAL_OS_TCB_TaskState_offset,
+ &params->thread_state_offset,
+ },
+ {
+ uCOS_III_VAL_OS_TCB_Prio_offset,
+ &params->thread_priority_offset,
+ },
+ {
+ uCOS_III_VAL_OS_TCB_DbgPrevPtr_offset,
+ &params->thread_prev_offset,
+ },
+ {
+ uCOS_III_VAL_OS_TCB_DbgNextPtr_offset,
+ &params->thread_next_offset,
+ },
+ };
+
+ for (size_t i = 0; i < ARRAY_SIZE(thread_offset_maps); i++) {
+ const struct thread_offset_map *thread_offset_map = &thread_offset_maps[i];
+
+ int retval = target_read_memory(rtos->target,
+ rtos->symbols[thread_offset_map->symbol_value].address,
+ params->pointer_width,
+ 1,
+ (void *)thread_offset_map->thread_offset);
+ if (retval != ERROR_OK) {
+ LOG_ERROR("uCOS-III: failed to read thread offset");
+ return retval;
+ }
+ }
+
+ params->thread_offsets_updated = true;
+ return ERROR_OK;
+}
+
+static int uCOS_III_detect_rtos(struct target *target)
+{
+ return target->rtos->symbols != NULL &&
+ target->rtos->symbols[uCOS_III_VAL_OSRunning].address != 0;
+}
+
+static int uCOS_III_reset_handler(struct target *target, enum target_reset_mode reset_mode, void *priv)
+{
+ struct uCOS_III_params *params = target->rtos->rtos_specific_params;
+
+ params->thread_offsets_updated = false;
+ params->num_threads = 0;
+
+ return ERROR_OK;
+}
+
+static int uCOS_III_create(struct target *target)
+{
+ struct uCOS_III_params *params;
+
+ for (size_t i = 0; i < ARRAY_SIZE(uCOS_III_params_list); i++)
+ if (strcmp(uCOS_III_params_list[i].target_name, target->type->name) == 0) {
+ params = malloc(sizeof(*params) +
+ UCOS_III_MAX_THREADS * sizeof(*params->threads));
+ if (params == NULL) {
+ LOG_ERROR("uCOS-III: out of memory");
+ return ERROR_FAIL;
+ }
+
+ memcpy(params, &uCOS_III_params_list[i], sizeof(uCOS_III_params_list[i]));
+ target->rtos->rtos_specific_params = (void *)params;
+
+ target_register_reset_callback(uCOS_III_reset_handler, NULL);
+
+ return ERROR_OK;
+ }
+
+ LOG_ERROR("uCOS-III: target not supported: %s", target->type->name);
+ return ERROR_FAIL;
+}
+
+static int uCOS_III_update_threads(struct rtos *rtos)
+{
+ struct uCOS_III_params *params = rtos->rtos_specific_params;
+ int retval;
+
+ /* free previous thread details */
+ rtos_free_threadlist(rtos);
+
+ /* verify RTOS is running */
+ uint8_t rtos_running;
+
+ retval = target_read_u8(rtos->target,
+ rtos->symbols[uCOS_III_VAL_OSRunning].address,
+ &rtos_running);
+ if (retval != ERROR_OK) {
+ LOG_ERROR("uCOS-III: failed to read RTOS running");
+ return retval;
+ }
+
+ if (!rtos_running) {
+ rtos->thread_details = calloc(1, sizeof(struct thread_detail));
+ if (rtos->thread_details == NULL) {
+ LOG_ERROR("uCOS-III: out of memory");
+ return ERROR_FAIL;
+ }
+
+ rtos->thread_count = 1;
+ rtos->thread_details->threadid = 0;
+ rtos->thread_details->exists = true;
+ rtos->current_thread = 0;
+
+ return ERROR_OK;
+ }
+
+ /* update thread offsets */
+ retval = uCOS_III_update_thread_offsets(rtos);
+ if (retval != ERROR_OK) {
+ LOG_ERROR("uCOS-III: failed to update thread offsets");
+ return retval;
+ }
+
+ /* read current thread address */
+ symbol_address_t current_thread_address = 0;
+
+ retval = target_read_memory(rtos->target,
+ rtos->symbols[uCOS_III_VAL_OSTCBCurPtr].address,
+ params->pointer_width,
+ 1,
+ (void *)&current_thread_address);
+ if (retval != ERROR_OK) {
+ LOG_ERROR("uCOS-III: failed to read current thread address");
+ return retval;
+ }
+
+ /* read number of tasks */
+ retval = target_read_u16(rtos->target,
+ rtos->symbols[uCOS_III_VAL_OSTaskQty].address,
+ (void *)&rtos->thread_count);
+ if (retval != ERROR_OK) {
+ LOG_ERROR("uCOS-III: failed to read thread count");
+ return retval;
+ }
+
+ rtos->thread_details = calloc(rtos->thread_count, sizeof(struct thread_detail));
+ if (rtos->thread_details == NULL) {
+ LOG_ERROR("uCOS-III: out of memory");
+ return ERROR_FAIL;
+ }
+
+ /*
+ * uC/OS-III adds tasks in LIFO order; advance to the end of the
+ * list and work backwards to preserve the intended order.
+ */
+ symbol_address_t thread_address = 0;
+
+ retval = uCOS_III_find_last_thread_address(rtos, &thread_address);
+ if (retval != ERROR_OK) {
+ LOG_ERROR("uCOS-III: failed to find last thread address");
+ return retval;
+ }
+
+ for (int i = 0; i < rtos->thread_count; i++) {
+ struct thread_detail *thread_detail = &rtos->thread_details[i];
+ char thread_str_buffer[UCOS_III_MAX_STRLEN + 1];
+
+ /* find or create new threadid */
+ retval = uCOS_III_find_or_create_thread(rtos,
+ thread_address,
+ &thread_detail->threadid);
+ if (retval != ERROR_OK) {
+ LOG_ERROR("uCOS-III: failed to find or create thread");
+ return retval;
+ }
+
+ if (thread_address == current_thread_address)
+ rtos->current_thread = thread_detail->threadid;
+
+ thread_detail->exists = true;
+
+ /* read thread name */
+ symbol_address_t thread_name_address = 0;
+
+ retval = target_read_memory(rtos->target,
+ thread_address + params->thread_name_offset,
+ params->pointer_width,
+ 1,
+ (void *)&thread_name_address);
+ if (retval != ERROR_OK) {
+ LOG_ERROR("uCOS-III: failed to name address");
+ return retval;
+ }
+
+ retval = target_read_buffer(rtos->target,
+ thread_name_address,
+ sizeof(thread_str_buffer),
+ (void *)thread_str_buffer);
+ if (retval != ERROR_OK) {
+ LOG_ERROR("uCOS-III: failed to read thread name");
+ return retval;
+ }
+
+ thread_str_buffer[sizeof(thread_str_buffer) - 1] = '\0';
+ thread_detail->thread_name_str = strdup(thread_str_buffer);
+
+ /* read thread extra info */
+ uint8_t thread_state;
+ uint8_t thread_priority;
+
+ retval = target_read_u8(rtos->target,
+ thread_address + params->thread_state_offset,
+ &thread_state);
+ if (retval != ERROR_OK) {
+ LOG_ERROR("uCOS-III: failed to read thread state");
+ return retval;
+ }
+
+ retval = target_read_u8(rtos->target,
+ thread_address + params->thread_priority_offset,
+ &thread_priority);
+ if (retval != ERROR_OK) {
+ LOG_ERROR("uCOS-III: failed to read thread priority");
+ return retval;
+ }
+
+ const char *thread_state_str;
+
+ if (thread_state < ARRAY_SIZE(uCOS_III_thread_state_list))
+ thread_state_str = uCOS_III_thread_state_list[thread_state];
+ else
+ thread_state_str = "Unknown";
+
+ snprintf(thread_str_buffer, sizeof(thread_str_buffer), "State: %s, Priority: %d",
+ thread_state_str, thread_priority);
+ thread_detail->extra_info_str = strdup(thread_str_buffer);
+
+ /* read previous thread address */
+ retval = target_read_memory(rtos->target,
+ thread_address + params->thread_prev_offset,
+ params->pointer_width,
+ 1,
+ (void *)&thread_address);
+ if (retval != ERROR_OK) {
+ LOG_ERROR("uCOS-III: failed to read previous thread address");
+ return retval;
+ }
+ }
+
+ return ERROR_OK;
+}
+
+static int uCOS_III_get_thread_reg_list(struct rtos *rtos, threadid_t threadid, char **hex_reg_list)
+{
+ struct uCOS_III_params *params = rtos->rtos_specific_params;
+ int retval;
+
+ /* find thread address for threadid */
+ symbol_address_t thread_address = 0;
+
+ retval = uCOS_III_find_thread_address(rtos, threadid, &thread_address);
+ if (retval != ERROR_OK) {
+ LOG_ERROR("uCOS-III: failed to find thread address");
+ return retval;
+ }
+
+ /* read thread stack address */
+ symbol_address_t stack_address = 0;
+
+ retval = target_read_memory(rtos->target,
+ thread_address + params->thread_stack_offset,
+ params->pointer_width,
+ 1,
+ (void *)&stack_address);
+ if (retval != ERROR_OK) {
+ LOG_ERROR("uCOS-III: failed to read stack address");
+ return retval;
+ }
+
+ return rtos_generic_stack_read(rtos->target,
+ params->stacking_info,
+ stack_address,
+ hex_reg_list);
+}
+
+static int uCOS_III_get_symbol_list_to_lookup(symbol_table_elem_t *symbol_list[])
+{
+ *symbol_list = calloc(ARRAY_SIZE(uCOS_III_symbol_list), sizeof(symbol_table_elem_t));
+ if (*symbol_list == NULL) {
+ LOG_ERROR("uCOS-III: out of memory");
+ return ERROR_FAIL;
+ }
+
+ for (size_t i = 0; i < ARRAY_SIZE(uCOS_III_symbol_list); i++)
+ (*symbol_list)[i].symbol_name = uCOS_III_symbol_list[i];
+
+ return ERROR_OK;
+}
+
+const struct rtos_type uCOS_III_rtos = {
+ .name = "uCOS-III",
+ .detect_rtos = uCOS_III_detect_rtos,
+ .create = uCOS_III_create,
+ .update_threads = uCOS_III_update_threads,
+ .get_thread_reg_list = uCOS_III_get_thread_reg_list,
+ .get_symbol_list_to_lookup = uCOS_III_get_symbol_list_to_lookup,
+};
generated by cgit v1.1 at 2024-11-16 11:43:26 +0000