Added: RTOS awareness for embKernel
Change-Id: I98b60f50a5fc486bda83b83ad7ec73826ee11607 Signed-off-by: Ravaz <embkernel@gmail.com> Reviewed-on: http://openocd.zylin.com/1334 Tested-by: jenkins Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>
This commit is contained in:
parent
49af0788e9
commit
a07a3d2d44
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@ -22,8 +22,8 @@ include $(top_srcdir)/common.mk
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METASOURCES = AUTO
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noinst_LTLIBRARIES = librtos.la
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noinst_HEADERS = rtos.h rtos_standard_stackings.h rtos_ecos_stackings.h linux_header.h rtos_chibios_stackings.h
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librtos_la_SOURCES = rtos.c rtos_standard_stackings.c rtos_ecos_stackings.c rtos_chibios_stackings.c FreeRTOS.c ThreadX.c eCos.c linux.c ChibiOS.c
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noinst_HEADERS = rtos.h rtos_standard_stackings.h rtos_ecos_stackings.h linux_header.h rtos_chibios_stackings.h rtos_embkernel_stackings.h
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librtos_la_SOURCES = rtos.c rtos_standard_stackings.c rtos_ecos_stackings.c rtos_chibios_stackings.c rtos_embkernel_stackings.c FreeRTOS.c ThreadX.c eCos.c linux.c ChibiOS.c embKernel.c
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librtos_la_CFLAGS =
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if IS_MINGW
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@ -0,0 +1,363 @@
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/***************************************************************************
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* Copyright (C) 2011 by Broadcom Corporation *
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* Evan Hunter - ehunter@broadcom.com *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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***************************************************************************/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <helper/time_support.h>
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#include <jtag/jtag.h>
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#include "target/target.h"
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#include "target/target_type.h"
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#include "rtos.h"
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#include "helper/log.h"
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#include "helper/types.h"
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#include "rtos_embkernel_stackings.h"
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#define EMBKERNEL_MAX_THREAD_NAME_STR_SIZE (64)
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static int embKernel_detect_rtos(struct target *target);
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static int embKernel_create(struct target *target);
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static int embKernel_update_threads(struct rtos *rtos);
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static int embKernel_get_thread_reg_list(struct rtos *rtos, int64_t thread_id, char **hex_reg_list);
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static int embKernel_get_symbol_list_to_lookup(symbol_table_elem_t *symbol_list[]);
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struct rtos_type embKernel_rtos = {
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.name = "embKernel",
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.detect_rtos = embKernel_detect_rtos,
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.create = embKernel_create,
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.update_threads = embKernel_update_threads,
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.get_thread_reg_list =
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embKernel_get_thread_reg_list,
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.get_symbol_list_to_lookup = embKernel_get_symbol_list_to_lookup,
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};
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enum {
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SYMBOL_ID_sCurrentTask = 0,
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SYMBOL_ID_sListReady = 1,
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SYMBOL_ID_sListSleep = 2,
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SYMBOL_ID_sListSuspended = 3,
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SYMBOL_ID_sMaxPriorities = 4,
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SYMBOL_ID_sCurrentTaskCount = 5,
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};
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static char *embKernel_symbol_list[] = {
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"Rtos::sCurrentTask",
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"Rtos::sListReady",
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"Rtos::sListSleep",
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"Rtos::sListSuspended",
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"Rtos::sMaxPriorities",
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"Rtos::sCurrentTaskCount",
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NULL };
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struct embKernel_params {
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const char *target_name;
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const unsigned char pointer_width;
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const unsigned char thread_count_width;
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const unsigned char rtos_list_size;
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const unsigned char thread_stack_offset;
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const unsigned char thread_name_offset;
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const unsigned char thread_priority_offset;
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const unsigned char thread_priority_width;
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const unsigned char iterable_next_offset;
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const unsigned char iterable_task_owner_offset;
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const struct rtos_register_stacking *stacking_info;
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};
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struct embKernel_params embKernel_params_list[] = {
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{
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"cortex_m3", /* target_name */
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4, /* pointer_width */
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4, /* thread_count_width */
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8, /*rtos_list_size */
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0, /*thread_stack_offset */
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4, /*thread_name_offset */
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8, /*thread_priority_offset */
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4, /*thread_priority_width */
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4, /*iterable_next_offset */
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12, /*iterable_task_owner_offset */
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&rtos_embkernel_Cortex_M3_stacking, /* stacking_info*/
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},
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{ "hla_target", /* target_name */
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4, /* pointer_width */
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4, /* thread_count_width */
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8, /*rtos_list_size */
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0, /*thread_stack_offset */
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4, /*thread_name_offset */
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8, /*thread_priority_offset */
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4, /*thread_priority_width */
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4, /*iterable_next_offset */
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12, /*iterable_task_owner_offset */
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&rtos_embkernel_Cortex_M3_stacking, /* stacking_info */
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}
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};
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static int embKernel_detect_rtos(struct target *target)
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{
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if (target->rtos->symbols != NULL) {
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if (target->rtos->symbols[SYMBOL_ID_sCurrentTask].address != 0)
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return 1;
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}
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return 0;
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}
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static int embKernel_create(struct target *target)
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{
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size_t i = 0;
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while ((i < ARRAY_SIZE(embKernel_params_list)) &&
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(0 != strcmp(embKernel_params_list[i].target_name, target->type->name)))
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i++;
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if (i >= ARRAY_SIZE(embKernel_params_list)) {
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LOG_WARNING("Could not find target \"%s\" in embKernel compatibility "
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"list", target->type->name);
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return -1;
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}
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target->rtos->rtos_specific_params = (void *) &embKernel_params_list[i];
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return 0;
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}
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static int embKernel_get_tasks_details(struct rtos *rtos, int64_t iterable, const struct embKernel_params *param,
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struct thread_detail *details, const char* state_str)
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{
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int64_t task = 0;
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int retval = target_read_buffer(rtos->target, iterable + param->iterable_task_owner_offset, param->pointer_width,
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(uint8_t *) &task);
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if (retval != ERROR_OK)
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return retval;
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details->threadid = (threadid_t) task;
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details->exists = true;
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details->display_str = NULL;
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int64_t name_ptr = 0;
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retval = target_read_buffer(rtos->target, task + param->thread_name_offset, param->pointer_width,
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(uint8_t *) &name_ptr);
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if (retval != ERROR_OK)
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return retval;
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details->thread_name_str = malloc(EMBKERNEL_MAX_THREAD_NAME_STR_SIZE);
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if (name_ptr) {
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retval = target_read_buffer(rtos->target, name_ptr, EMBKERNEL_MAX_THREAD_NAME_STR_SIZE,
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(uint8_t *) details->thread_name_str);
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if (retval != ERROR_OK)
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return retval;
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details->thread_name_str[EMBKERNEL_MAX_THREAD_NAME_STR_SIZE - 1] = 0;
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} else {
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snprintf(details->thread_name_str, EMBKERNEL_MAX_THREAD_NAME_STR_SIZE, "NoName:[0x%08X]", (unsigned int) task);
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}
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int64_t priority = 0;
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retval = target_read_buffer(rtos->target, task + param->thread_priority_offset, param->thread_priority_width,
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(uint8_t *) &priority);
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if (retval != ERROR_OK)
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return retval;
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details->extra_info_str = (char *) malloc(EMBKERNEL_MAX_THREAD_NAME_STR_SIZE);
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if (task == rtos->current_thread) {
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snprintf(details->extra_info_str, EMBKERNEL_MAX_THREAD_NAME_STR_SIZE, "Pri=%u, Running",
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(unsigned int) priority);
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} else {
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snprintf(details->extra_info_str, EMBKERNEL_MAX_THREAD_NAME_STR_SIZE, "Pri=%u, %s", (unsigned int) priority,
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state_str);
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}
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LOG_OUTPUT("Getting task details: iterable=0x%08X, task=0x%08X, name=%s\n", (unsigned int)iterable,
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(unsigned int)task, details->thread_name_str);
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return 0;
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}
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static int embKernel_update_threads(struct rtos *rtos)
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{
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/* int i = 0; */
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int retval;
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const struct embKernel_params *param;
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if (rtos == NULL)
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return -1;
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if (rtos->rtos_specific_params == NULL)
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return -3;
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if (rtos->symbols == NULL) {
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LOG_ERROR("No symbols for embKernel");
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return -4;
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}
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if (rtos->symbols[SYMBOL_ID_sCurrentTask].address == 0) {
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LOG_ERROR("Don't have the thread list head");
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return -2;
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}
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/* wipe out previous thread details if any */
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if (rtos->thread_details != NULL) {
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int j;
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for (j = 0; j < rtos->thread_count; j++) {
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if (rtos->thread_details[j].display_str != NULL) {
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free(rtos->thread_details[j].display_str);
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rtos->thread_details[j].display_str = NULL;
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}
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if (rtos->thread_details[j].thread_name_str != NULL) {
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free(rtos->thread_details[j].thread_name_str);
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rtos->thread_details[j].thread_name_str = NULL;
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}
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if (rtos->thread_details[j].extra_info_str != NULL) {
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free(rtos->thread_details[j].extra_info_str);
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rtos->thread_details[j].extra_info_str = NULL;
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}
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}
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free(rtos->thread_details);
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rtos->thread_details = NULL;
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}
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param = (const struct embKernel_params *) rtos->rtos_specific_params;
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retval = target_read_buffer(rtos->target, rtos->symbols[SYMBOL_ID_sCurrentTask].address, param->pointer_width,
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(uint8_t *) &rtos->current_thread);
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if (retval != ERROR_OK) {
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LOG_ERROR("Error reading current thread in embKernel thread list");
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return retval;
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}
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int64_t max_used_priority = 0;
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retval = target_read_buffer(rtos->target, rtos->symbols[SYMBOL_ID_sMaxPriorities].address, param->pointer_width,
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(uint8_t *) &max_used_priority);
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if (retval != ERROR_OK)
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return retval;
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int thread_list_size = 0;
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retval = target_read_buffer(rtos->target, rtos->symbols[SYMBOL_ID_sCurrentTaskCount].address,
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param->thread_count_width, (uint8_t *) &thread_list_size);
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if (retval != ERROR_OK) {
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LOG_ERROR("Could not read embKernel thread count from target");
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return retval;
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}
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/* create space for new thread details */
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rtos->thread_details = (struct thread_detail *) malloc(sizeof(struct thread_detail) * thread_list_size);
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if (!rtos->thread_details) {
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LOG_ERROR("Error allocating memory for %d threads", thread_list_size);
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return ERROR_FAIL;
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}
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int threadIdx = 0;
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/* Look for ready tasks */
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for (int pri = 0; pri < max_used_priority; pri++) {
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/* Get first item in queue */
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int64_t iterable = 0;
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retval = target_read_buffer(rtos->target,
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rtos->symbols[SYMBOL_ID_sListReady].address + (pri * param->rtos_list_size), param->pointer_width,
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(uint8_t *) &iterable);
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if (retval != ERROR_OK)
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return retval;
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for (; iterable && threadIdx < thread_list_size; threadIdx++) {
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/* Get info from this iterable item */
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retval = embKernel_get_tasks_details(rtos, iterable, param, &rtos->thread_details[threadIdx], "Ready");
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if (retval != ERROR_OK)
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return retval;
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/* Get next iterable item */
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retval = target_read_buffer(rtos->target, iterable + param->iterable_next_offset, param->pointer_width,
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(uint8_t *) &iterable);
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if (retval != ERROR_OK)
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return retval;
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}
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}
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/* Look for sleeping tasks */
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int64_t iterable = 0;
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retval = target_read_buffer(rtos->target, rtos->symbols[SYMBOL_ID_sListSleep].address, param->pointer_width,
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(uint8_t *) &iterable);
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if (retval != ERROR_OK)
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return retval;
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for (; iterable && threadIdx < thread_list_size; threadIdx++) {
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/*Get info from this iterable item */
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retval = embKernel_get_tasks_details(rtos, iterable, param, &rtos->thread_details[threadIdx], "Sleeping");
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if (retval != ERROR_OK)
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return retval;
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/*Get next iterable item */
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retval = target_read_buffer(rtos->target, iterable + param->iterable_next_offset, param->pointer_width,
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(uint8_t *) &iterable);
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if (retval != ERROR_OK)
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return retval;
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}
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/* Look for suspended tasks */
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iterable = 0;
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retval = target_read_buffer(rtos->target, rtos->symbols[SYMBOL_ID_sListSuspended].address, param->pointer_width,
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(uint8_t *) &iterable);
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if (retval != ERROR_OK)
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return retval;
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for (; iterable && threadIdx < thread_list_size; threadIdx++) {
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/* Get info from this iterable item */
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retval = embKernel_get_tasks_details(rtos, iterable, param, &rtos->thread_details[threadIdx], "Suspended");
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if (retval != ERROR_OK)
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return retval;
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/*Get next iterable item */
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retval = target_read_buffer(rtos->target, iterable + param->iterable_next_offset, param->pointer_width,
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(uint8_t *) &iterable);
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if (retval != ERROR_OK)
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return retval;
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}
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rtos->thread_count = 0;
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rtos->thread_count = threadIdx;
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LOG_OUTPUT("Found %u tasks\n", (unsigned int)threadIdx);
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return 0;
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}
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static int embKernel_get_thread_reg_list(struct rtos *rtos, int64_t thread_id, char **hex_reg_list)
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{
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int retval;
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const struct embKernel_params *param;
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int64_t stack_ptr = 0;
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*hex_reg_list = NULL;
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if (rtos == NULL)
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return -1;
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if (thread_id == 0)
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return -2;
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if (rtos->rtos_specific_params == NULL)
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return -1;
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param = (const struct embKernel_params *) rtos->rtos_specific_params;
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/* Read the stack pointer */
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retval = target_read_buffer(rtos->target, thread_id + param->thread_stack_offset, param->pointer_width,
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(uint8_t *) &stack_ptr);
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if (retval != ERROR_OK) {
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LOG_ERROR("Error reading stack frame from embKernel thread");
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return retval;
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}
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return rtos_generic_stack_read(rtos->target, param->stacking_info, stack_ptr, hex_reg_list);
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}
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static int embKernel_get_symbol_list_to_lookup(symbol_table_elem_t *symbol_list[])
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{
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unsigned int i;
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*symbol_list = (symbol_table_elem_t *) malloc(sizeof(symbol_table_elem_t) * ARRAY_SIZE(embKernel_symbol_list));
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for (i = 0; i < ARRAY_SIZE(embKernel_symbol_list); i++)
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(*symbol_list)[i].symbol_name = embKernel_symbol_list[i];
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return 0;
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}
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@ -34,6 +34,7 @@ extern struct rtos_type ThreadX_rtos;
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extern struct rtos_type eCos_rtos;
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extern struct rtos_type Linux_os;
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extern struct rtos_type ChibiOS_rtos;
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extern struct rtos_type embKernel_rtos;
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static struct rtos_type *rtos_types[] = {
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&ThreadX_rtos,
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@ -41,6 +42,7 @@ static struct rtos_type *rtos_types[] = {
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&eCos_rtos,
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&Linux_os,
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&ChibiOS_rtos,
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&embKernel_rtos,
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NULL
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};
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@ -0,0 +1,64 @@
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/***************************************************************************
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* Copyright (C) 2011 by Broadcom Corporation *
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* Evan Hunter - ehunter@broadcom.com *
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* *
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* This program is free software; you can redistribute it and/or modify *
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||||
* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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||||
* GNU General Public License for more details. *
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||||
* *
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||||
* You should have received a copy of the GNU General Public License *
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||||
* along with this program; if not, write to the *
|
||||
* Free Software Foundation, Inc., *
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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***************************************************************************/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "rtos.h"
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static const struct stack_register_offset rtos_embkernel_Cortex_M3_stack_offsets[] = {
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{ 0x24, 32 }, /* r0 */
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{ 0x28, 32 }, /* r1 */
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{ 0x2c, 32 }, /* r2 */
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{ 0x30, 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 */
|
||||
{ 0x34, 32 }, /* r12 */
|
||||
{ -2, 32 }, /* sp */
|
||||
{ 0x38, 32 }, /* lr */
|
||||
{ 0x3c, 32 }, /* pc */
|
||||
{ -1, 96 }, /* FPA1 */
|
||||
{ -1, 96 }, /* FPA2 */
|
||||
{ -1, 96 }, /* FPA3 */
|
||||
{ -1, 96 }, /* FPA4 */
|
||||
{ -1, 96 }, /* FPA5 */
|
||||
{ -1, 96 }, /* FPA6 */
|
||||
{ -1, 96 }, /* FPA7 */
|
||||
{ -1, 96 }, /* FPA8 */
|
||||
{ -1, 32 }, /* FPS */
|
||||
{ 0x40, 32 }, /* xPSR */
|
||||
};
|
||||
|
||||
const struct rtos_register_stacking rtos_embkernel_Cortex_M3_stacking = {
|
||||
0x40, /* stack_registers_size */
|
||||
-1, /* stack_growth_direction */
|
||||
26, /* num_output_registers */
|
||||
8, /* stack_alignment */
|
||||
rtos_embkernel_Cortex_M3_stack_offsets /* register_offsets */
|
||||
};
|
||||
|
||||
|
|
@ -0,0 +1,32 @@
|
|||
/***************************************************************************
|
||||
* 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, write to the *
|
||||
* Free Software Foundation, Inc., *
|
||||
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
|
||||
***************************************************************************/
|
||||
|
||||
#ifndef INCLUDED_RTOS_EMBKERNEL_STACKINGS_H_
|
||||
#define INCLUDED_RTOS_EMBKERNEL_STACKINGS_H_
|
||||
|
||||
#ifdef HAVE_CONFIG_H
|
||||
#include "config.h"
|
||||
#endif
|
||||
|
||||
#include "rtos.h"
|
||||
|
||||
extern const struct rtos_register_stacking rtos_embkernel_Cortex_M3_stacking;
|
||||
|
||||
#endif /* ifndef INCLUDED_RTOS_EMBKERNEL_STACKINGS_H_ */
|
Loading…
Reference in New Issue