archive branch__archive__

1 files changed, 0 insertions, 555 deletions

diff --git a/src/rtos/FreeRTOS.c b/src/rtos/FreeRTOS.c
deleted file mode 100644
index 52cebad..0000000
--- a/src/rtos/FreeRTOS.c
+++ /dev/null
@@ -1,555 +0,0 @@
-/***************************************************************************
- *   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/>. *
- ***************************************************************************/
-
-#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_standard_stackings.h"
-#include "target/armv7m.h"
-#include "target/cortex_m.h"
-
-
-
-#define FREERTOS_MAX_PRIORITIES	63
-
-#define FreeRTOS_STRUCT(int_type, ptr_type, list_prev_offset)
-
-struct FreeRTOS_params {
-	const char *target_name;
-	const unsigned char thread_count_width;
-	const unsigned char pointer_width;
-	const unsigned char list_next_offset;
-	const unsigned char list_width;
-	const unsigned char list_elem_next_offset;
-	const unsigned char list_elem_content_offset;
-	const unsigned char thread_stack_offset;
-	const unsigned char thread_name_offset;
-	const struct rtos_register_stacking *stacking_info_cm3;
-	const struct rtos_register_stacking *stacking_info_cm4f;
-	const struct rtos_register_stacking *stacking_info_cm4f_fpu;
-};
-
-static const struct FreeRTOS_params FreeRTOS_params_list[] = {
-	{
-	"cortex_m",			/* target_name */
-	4,						/* thread_count_width; */
-	4,						/* pointer_width; */
-	16,						/* list_next_offset; */
-	20,						/* list_width; */
-	8,						/* list_elem_next_offset; */
-	12,						/* list_elem_content_offset */
-	0,						/* thread_stack_offset; */
-	52,						/* thread_name_offset; */
-	&rtos_standard_Cortex_M3_stacking,	/* stacking_info */
-	&rtos_standard_Cortex_M4F_stacking,
-	&rtos_standard_Cortex_M4F_FPU_stacking,
-	},
-	{
-	"hla_target",			/* target_name */
-	4,						/* thread_count_width; */
-	4,						/* pointer_width; */
-	16,						/* list_next_offset; */
-	20,						/* list_width; */
-	8,						/* list_elem_next_offset; */
-	12,						/* list_elem_content_offset */
-	0,						/* thread_stack_offset; */
-	52,						/* thread_name_offset; */
-	&rtos_standard_Cortex_M3_stacking,	/* stacking_info */
-	&rtos_standard_Cortex_M4F_stacking,
-	&rtos_standard_Cortex_M4F_FPU_stacking,
-	},
-	{
-	"nds32_v3",			/* target_name */
-	4,						/* thread_count_width; */
-	4,						/* pointer_width; */
-	16,						/* list_next_offset; */
-	20,						/* list_width; */
-	8,						/* list_elem_next_offset; */
-	12,						/* list_elem_content_offset */
-	0,						/* thread_stack_offset; */
-	52,						/* thread_name_offset; */
-	&rtos_standard_NDS32_N1068_stacking,	/* stacking_info */
-	&rtos_standard_Cortex_M4F_stacking,
-	&rtos_standard_Cortex_M4F_FPU_stacking,
-	},
-};
-
-#define FREERTOS_NUM_PARAMS ((int)(sizeof(FreeRTOS_params_list)/sizeof(struct FreeRTOS_params)))
-
-static int FreeRTOS_detect_rtos(struct target *target);
-static int FreeRTOS_create(struct target *target);
-static int FreeRTOS_update_threads(struct rtos *rtos);
-static int FreeRTOS_get_thread_reg_list(struct rtos *rtos, int64_t thread_id, char **hex_reg_list);
-static int FreeRTOS_get_symbol_list_to_lookup(symbol_table_elem_t *symbol_list[]);
-
-struct rtos_type FreeRTOS_rtos = {
-	.name = "FreeRTOS",
-
-	.detect_rtos = FreeRTOS_detect_rtos,
-	.create = FreeRTOS_create,
-	.update_threads = FreeRTOS_update_threads,
-	.get_thread_reg_list = FreeRTOS_get_thread_reg_list,
-	.get_symbol_list_to_lookup = FreeRTOS_get_symbol_list_to_lookup,
-};
-
-enum FreeRTOS_symbol_values {
-	FreeRTOS_VAL_pxCurrentTCB = 0,
-	FreeRTOS_VAL_pxReadyTasksLists = 1,
-	FreeRTOS_VAL_xDelayedTaskList1 = 2,
-	FreeRTOS_VAL_xDelayedTaskList2 = 3,
-	FreeRTOS_VAL_pxDelayedTaskList = 4,
-	FreeRTOS_VAL_pxOverflowDelayedTaskList = 5,
-	FreeRTOS_VAL_xPendingReadyList = 6,
-	FreeRTOS_VAL_xTasksWaitingTermination = 7,
-	FreeRTOS_VAL_xSuspendedTaskList = 8,
-	FreeRTOS_VAL_uxCurrentNumberOfTasks = 9,
-	FreeRTOS_VAL_uxTopUsedPriority = 10,
-};
-
-struct symbols {
-	const char *name;
-	bool optional;
-};
-
-static const struct symbols FreeRTOS_symbol_list[] = {
-	{ "pxCurrentTCB", false },
-	{ "pxReadyTasksLists", false },
-	{ "xDelayedTaskList1", false },
-	{ "xDelayedTaskList2", false },
-	{ "pxDelayedTaskList", false },
-	{ "pxOverflowDelayedTaskList", false },
-	{ "xPendingReadyList", false },
-	{ "xTasksWaitingTermination", true }, /* Only if INCLUDE_vTaskDelete */
-	{ "xSuspendedTaskList", true }, /* Only if INCLUDE_vTaskSuspend */
-	{ "uxCurrentNumberOfTasks", false },
-	{ "uxTopUsedPriority", true }, /* Unavailable since v7.5.3 */
-	{ NULL, false }
-};
-
-/* TODO: */
-/* this is not safe for little endian yet */
-/* may be problems reading if sizes are not 32 bit long integers. */
-/* test mallocs for failure */
-
-static int FreeRTOS_update_threads(struct rtos *rtos)
-{
-	int i = 0;
-	int retval;
-	int tasks_found = 0;
-	const struct FreeRTOS_params *param;
-
-	if (rtos->rtos_specific_params == NULL)
-		return -1;
-
-	param = (const struct FreeRTOS_params *) rtos->rtos_specific_params;
-
-	if (rtos->symbols == NULL) {
-		LOG_ERROR("No symbols for FreeRTOS");
-		return -3;
-	}
-
-	if (rtos->symbols[FreeRTOS_VAL_uxCurrentNumberOfTasks].address == 0) {
-		LOG_ERROR("Don't have the number of threads in FreeRTOS");
-		return -2;
-	}
-
-	int thread_list_size = 0;
-	retval = target_read_buffer(rtos->target,
-			rtos->symbols[FreeRTOS_VAL_uxCurrentNumberOfTasks].address,
-			param->thread_count_width,
-			(uint8_t *)&thread_list_size);
-	LOG_DEBUG("FreeRTOS: Read uxCurrentNumberOfTasks at 0x%" PRIx64 ", value %d\r\n",
-										rtos->symbols[FreeRTOS_VAL_uxCurrentNumberOfTasks].address,
-										thread_list_size);
-
-	if (retval != ERROR_OK) {
-		LOG_ERROR("Could not read FreeRTOS thread count from target");
-		return retval;
-	}
-
-	/* wipe out previous thread details if any */
-	rtos_free_threadlist(rtos);
-
-	/* read the current thread */
-	retval = target_read_buffer(rtos->target,
-			rtos->symbols[FreeRTOS_VAL_pxCurrentTCB].address,
-			param->pointer_width,
-			(uint8_t *)&rtos->current_thread);
-	if (retval != ERROR_OK) {
-		LOG_ERROR("Error reading current thread in FreeRTOS thread list");
-		return retval;
-	}
-	LOG_DEBUG("FreeRTOS: Read pxCurrentTCB at 0x%" PRIx64 ", value 0x%" PRIx64 "\r\n",
-										rtos->symbols[FreeRTOS_VAL_pxCurrentTCB].address,
-										rtos->current_thread);
-
-	if ((thread_list_size  == 0) || (rtos->current_thread == 0)) {
-		/* Either : No RTOS threads - there is always at least the current execution though */
-		/* OR     : No current thread - all threads suspended - show the current execution
-		 * of idling */
-		char tmp_str[] = "Current Execution";
-		thread_list_size++;
-		tasks_found++;
-		rtos->thread_details = malloc(
-				sizeof(struct thread_detail) * thread_list_size);
-		if (!rtos->thread_details) {
-			LOG_ERROR("Error allocating memory for %d threads", thread_list_size);
-			return ERROR_FAIL;
-		}
-		rtos->thread_details->threadid = 1;
-		rtos->thread_details->exists = true;
-		rtos->thread_details->extra_info_str = NULL;
-		rtos->thread_details->thread_name_str = malloc(sizeof(tmp_str));
-		strcpy(rtos->thread_details->thread_name_str, tmp_str);
-
-		if (thread_list_size == 1) {
-			rtos->thread_count = 1;
-			return ERROR_OK;
-		}
-	} else {
-		/* create space for new thread details */
-		rtos->thread_details = malloc(
-				sizeof(struct thread_detail) * thread_list_size);
-		if (!rtos->thread_details) {
-			LOG_ERROR("Error allocating memory for %d threads", thread_list_size);
-			return ERROR_FAIL;
-		}
-	}
-
-	/* Find out how many lists are needed to be read from pxReadyTasksLists, */
-	if (rtos->symbols[FreeRTOS_VAL_uxTopUsedPriority].address == 0) {
-		LOG_ERROR("FreeRTOS: uxTopUsedPriority is not defined, consult the OpenOCD manual for a work-around");
-		return ERROR_FAIL;
-	}
-	int64_t max_used_priority = 0;
-	retval = target_read_buffer(rtos->target,
-			rtos->symbols[FreeRTOS_VAL_uxTopUsedPriority].address,
-			param->pointer_width,
-			(uint8_t *)&max_used_priority);
-	if (retval != ERROR_OK)
-		return retval;
-	LOG_DEBUG("FreeRTOS: Read uxTopUsedPriority at 0x%" PRIx64 ", value %" PRId64 "\r\n",
-										rtos->symbols[FreeRTOS_VAL_uxTopUsedPriority].address,
-										max_used_priority);
-	if (max_used_priority > FREERTOS_MAX_PRIORITIES) {
-		LOG_ERROR("FreeRTOS maximum used priority is unreasonably big, not proceeding: %" PRId64 "",
-			max_used_priority);
-		return ERROR_FAIL;
-	}
-
-	symbol_address_t *list_of_lists =
-		malloc(sizeof(symbol_address_t) *
-			(max_used_priority+1 + 5));
-	if (!list_of_lists) {
-		LOG_ERROR("Error allocating memory for %" PRId64 " priorities", max_used_priority);
-		return ERROR_FAIL;
-	}
-
-	int num_lists;
-	for (num_lists = 0; num_lists <= max_used_priority; num_lists++)
-		list_of_lists[num_lists] = rtos->symbols[FreeRTOS_VAL_pxReadyTasksLists].address +
-			num_lists * param->list_width;
-
-	list_of_lists[num_lists++] = rtos->symbols[FreeRTOS_VAL_xDelayedTaskList1].address;
-	list_of_lists[num_lists++] = rtos->symbols[FreeRTOS_VAL_xDelayedTaskList2].address;
-	list_of_lists[num_lists++] = rtos->symbols[FreeRTOS_VAL_xPendingReadyList].address;
-	list_of_lists[num_lists++] = rtos->symbols[FreeRTOS_VAL_xSuspendedTaskList].address;
-	list_of_lists[num_lists++] = rtos->symbols[FreeRTOS_VAL_xTasksWaitingTermination].address;
-
-	for (i = 0; i < num_lists; i++) {
-		if (list_of_lists[i] == 0)
-			continue;
-
-		/* Read the number of threads in this list */
-		int64_t list_thread_count = 0;
-		retval = target_read_buffer(rtos->target,
-				list_of_lists[i],
-				param->thread_count_width,
-				(uint8_t *)&list_thread_count);
-		if (retval != ERROR_OK) {
-			LOG_ERROR("Error reading number of threads in FreeRTOS thread list");
-			free(list_of_lists);
-			return retval;
-		}
-		LOG_DEBUG("FreeRTOS: Read thread count for list %d at 0x%" PRIx64 ", value %" PRId64 "\r\n",
-										i, list_of_lists[i], list_thread_count);
-
-		if (list_thread_count == 0)
-			continue;
-
-		/* Read the location of first list item */
-		uint64_t prev_list_elem_ptr = -1;
-		uint64_t list_elem_ptr = 0;
-		retval = target_read_buffer(rtos->target,
-				list_of_lists[i] + param->list_next_offset,
-				param->pointer_width,
-				(uint8_t *)&list_elem_ptr);
-		if (retval != ERROR_OK) {
-			LOG_ERROR("Error reading first thread item location in FreeRTOS thread list");
-			free(list_of_lists);
-			return retval;
-		}
-		LOG_DEBUG("FreeRTOS: Read first item for list %d at 0x%" PRIx64 ", value 0x%" PRIx64 "\r\n",
-										i, list_of_lists[i] + param->list_next_offset, list_elem_ptr);
-
-		while ((list_thread_count > 0) && (list_elem_ptr != 0) &&
-				(list_elem_ptr != prev_list_elem_ptr) &&
-				(tasks_found < thread_list_size)) {
-			/* Get the location of the thread structure. */
-			rtos->thread_details[tasks_found].threadid = 0;
-			retval = target_read_buffer(rtos->target,
-					list_elem_ptr + param->list_elem_content_offset,
-					param->pointer_width,
-					(uint8_t *)&(rtos->thread_details[tasks_found].threadid));
-			if (retval != ERROR_OK) {
-				LOG_ERROR("Error reading thread list item object in FreeRTOS thread list");
-				free(list_of_lists);
-				return retval;
-			}
-			LOG_DEBUG("FreeRTOS: Read Thread ID at 0x%" PRIx64 ", value 0x%" PRIx64 "\r\n",
-										list_elem_ptr + param->list_elem_content_offset,
-										rtos->thread_details[tasks_found].threadid);
-
-			/* get thread name */
-
-			#define FREERTOS_THREAD_NAME_STR_SIZE (200)
-			char tmp_str[FREERTOS_THREAD_NAME_STR_SIZE];
-
-			/* Read the thread name */
-			retval = target_read_buffer(rtos->target,
-					rtos->thread_details[tasks_found].threadid + param->thread_name_offset,
-					FREERTOS_THREAD_NAME_STR_SIZE,
-					(uint8_t *)&tmp_str);
-			if (retval != ERROR_OK) {
-				LOG_ERROR("Error reading first thread item location in FreeRTOS thread list");
-				free(list_of_lists);
-				return retval;
-			}
-			tmp_str[FREERTOS_THREAD_NAME_STR_SIZE-1] = '\x00';
-			LOG_DEBUG("FreeRTOS: Read Thread Name at 0x%" PRIx64 ", value \"%s\"\r\n",
-										rtos->thread_details[tasks_found].threadid + param->thread_name_offset,
-										tmp_str);
-
-			if (tmp_str[0] == '\x00')
-				strcpy(tmp_str, "No Name");
-
-			rtos->thread_details[tasks_found].thread_name_str =
-				malloc(strlen(tmp_str)+1);
-			strcpy(rtos->thread_details[tasks_found].thread_name_str, tmp_str);
-			rtos->thread_details[tasks_found].exists = true;
-
-			if (rtos->thread_details[tasks_found].threadid == rtos->current_thread) {
-				char running_str[] = "Running";
-				rtos->thread_details[tasks_found].extra_info_str = malloc(
-						sizeof(running_str));
-				strcpy(rtos->thread_details[tasks_found].extra_info_str,
-					running_str);
-			} else
-				rtos->thread_details[tasks_found].extra_info_str = NULL;
-
-			tasks_found++;
-			list_thread_count--;
-
-			prev_list_elem_ptr = list_elem_ptr;
-			list_elem_ptr = 0;
-			retval = target_read_buffer(rtos->target,
-					prev_list_elem_ptr + param->list_elem_next_offset,
-					param->pointer_width,
-					(uint8_t *)&list_elem_ptr);
-			if (retval != ERROR_OK) {
-				LOG_ERROR("Error reading next thread item location in FreeRTOS thread list");
-				free(list_of_lists);
-				return retval;
-			}
-			LOG_DEBUG("FreeRTOS: Read next thread location at 0x%" PRIx64 ", value 0x%" PRIx64 "\r\n",
-										prev_list_elem_ptr + param->list_elem_next_offset,
-										list_elem_ptr);
-		}
-	}
-
-	free(list_of_lists);
-	rtos->thread_count = tasks_found;
-	return 0;
-}
-
-static int FreeRTOS_get_thread_reg_list(struct rtos *rtos, int64_t thread_id, char **hex_reg_list)
-{
-	int retval;
-	const struct FreeRTOS_params *param;
-	int64_t stack_ptr = 0;
-
-	*hex_reg_list = NULL;
-	if (rtos == NULL)
-		return -1;
-
-	if (thread_id == 0)
-		return -2;
-
-	if (rtos->rtos_specific_params == NULL)
-		return -1;
-
-	param = (const struct FreeRTOS_params *) rtos->rtos_specific_params;
-
-	/* Read the stack pointer */
-	retval = target_read_buffer(rtos->target,
-			thread_id + param->thread_stack_offset,
-			param->pointer_width,
-			(uint8_t *)&stack_ptr);
-	if (retval != ERROR_OK) {
-		LOG_ERROR("Error reading stack frame from FreeRTOS thread");
-		return retval;
-	}
-	LOG_DEBUG("FreeRTOS: Read stack pointer at 0x%" PRIx64 ", value 0x%" PRIx64 "\r\n",
-										thread_id + param->thread_stack_offset,
-										stack_ptr);
-
-	/* Check for armv7m with *enabled* FPU, i.e. a Cortex-M4F */
-	int cm4_fpu_enabled = 0;
-	struct armv7m_common *armv7m_target = target_to_armv7m(rtos->target);
-	if (is_armv7m(armv7m_target)) {
-		if (armv7m_target->fp_feature == FPv4_SP) {
-			/* Found ARM v7m target which includes a FPU */
-			uint32_t cpacr;
-
-			retval = target_read_u32(rtos->target, FPU_CPACR, &cpacr);
-			if (retval != ERROR_OK) {
-				LOG_ERROR("Could not read CPACR register to check FPU state");
-				return -1;
-			}
-
-			/* Check if CP10 and CP11 are set to full access. */
-			if (cpacr & 0x00F00000) {
-				/* Found target with enabled FPU */
-				cm4_fpu_enabled = 1;
-			}
-		}
-	}
-
-	if (cm4_fpu_enabled == 1) {
-		/* Read the LR to decide between stacking with or without FPU */
-		uint32_t LR_svc = 0;
-		retval = target_read_buffer(rtos->target,
-				stack_ptr + 0x20,
-				param->pointer_width,
-				(uint8_t *)&LR_svc);
-		if (retval != ERROR_OK) {
-			LOG_OUTPUT("Error reading stack frame from FreeRTOS thread\r\n");
-			return retval;
-		}
-		if ((LR_svc & 0x10) == 0)
-			return rtos_generic_stack_read(rtos->target, param->stacking_info_cm4f_fpu, stack_ptr, hex_reg_list);
-		else
-			return rtos_generic_stack_read(rtos->target, param->stacking_info_cm4f, stack_ptr, hex_reg_list);
-	} else
-		return rtos_generic_stack_read(rtos->target, param->stacking_info_cm3, stack_ptr, hex_reg_list);
-}
-
-static int FreeRTOS_get_symbol_list_to_lookup(symbol_table_elem_t *symbol_list[])
-{
-	unsigned int i;
-	*symbol_list = calloc(
-			ARRAY_SIZE(FreeRTOS_symbol_list), sizeof(symbol_table_elem_t));
-
-	for (i = 0; i < ARRAY_SIZE(FreeRTOS_symbol_list); i++) {
-		(*symbol_list)[i].symbol_name = FreeRTOS_symbol_list[i].name;
-		(*symbol_list)[i].optional = FreeRTOS_symbol_list[i].optional;
-	}
-
-	return 0;
-}
-
-#if 0
-
-static int FreeRTOS_set_current_thread(struct rtos *rtos, threadid_t thread_id)
-{
-	return 0;
-}
-
-static int FreeRTOS_get_thread_ascii_info(struct rtos *rtos, threadid_t thread_id, char **info)
-{
-	int retval;
-	const struct FreeRTOS_params *param;
-
-	if (rtos == NULL)
-		return -1;
-
-	if (thread_id == 0)
-		return -2;
-
-	if (rtos->rtos_specific_params == NULL)
-		return -3;
-
-	param = (const struct FreeRTOS_params *) rtos->rtos_specific_params;
-
-#define FREERTOS_THREAD_NAME_STR_SIZE (200)
-	char tmp_str[FREERTOS_THREAD_NAME_STR_SIZE];
-
-	/* Read the thread name */
-	retval = target_read_buffer(rtos->target,
-			thread_id + param->thread_name_offset,
-			FREERTOS_THREAD_NAME_STR_SIZE,
-			(uint8_t *)&tmp_str);
-	if (retval != ERROR_OK) {
-		LOG_ERROR("Error reading first thread item location in FreeRTOS thread list");
-		return retval;
-	}
-	tmp_str[FREERTOS_THREAD_NAME_STR_SIZE-1] = '\x00';
-
-	if (tmp_str[0] == '\x00')
-		strcpy(tmp_str, "No Name");
-
-	*info = malloc(strlen(tmp_str)+1);
-	strcpy(*info, tmp_str);
-	return 0;
-}
-
-#endif
-
-static int FreeRTOS_detect_rtos(struct target *target)
-{
-	if ((target->rtos->symbols != NULL) &&
-			(target->rtos->symbols[FreeRTOS_VAL_pxReadyTasksLists].address != 0)) {
-		/* looks like FreeRTOS */
-		return 1;
-	}
-	return 0;
-}
-
-static int FreeRTOS_create(struct target *target)
-{
-	int i = 0;
-	while ((i < FREERTOS_NUM_PARAMS) &&
-			(0 != strcmp(FreeRTOS_params_list[i].target_name, target->type->name))) {
-		i++;
-	}
-	if (i >= FREERTOS_NUM_PARAMS) {
-		LOG_ERROR("Could not find target in FreeRTOS compatibility list");
-		return -1;
-	}
-
-	target->rtos->rtos_specific_params = (void *) &FreeRTOS_params_list[i];
-	return 0;
-}