+// SPDX-License-Identifier: GPL-2.0-or-later
+
/***************************************************************************
- * *
- * This program is free software; you can redistribute it and/or modify *
- * it under the terms of the GNU General Public License as published by *
- * the Free Software Foundation; either version 2 of the License, or *
- * (at your option) any later version. *
- * *
- * This program is distributed in the hope that it will be useful, *
- * but WITHOUT ANY WARRANTY; without even the implied warranty of *
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
- * GNU General Public License for more details. *
- * *
- * You should have received a copy of the GNU General Public License *
- * along with this program; if not, write to the *
- * Free Software Foundation, Inc., *
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#ifdef HAVE_CONFIG_H
#include "target/target_type.h"
#include "rtos.h"
#include "helper/log.h"
+#include "helper/types.h"
#include "rtos_ecos_stackings.h"
-static int eCos_detect_rtos( struct target* target );
-static int eCos_create( struct target* target );
-static int eCos_update_threads( struct rtos* rtos);
-static int eCos_get_thread_reg_list(struct rtos *rtos, int64_t thread_id, char ** hex_reg_list );
-static int eCos_get_symbol_list_to_lookup(symbol_table_elem_t * symbol_list[]);
+static bool ecos_detect_rtos(struct target *target);
+static int ecos_create(struct target *target);
+static int ecos_update_threads(struct rtos *rtos);
+static int ecos_get_thread_reg_list(struct rtos *rtos, int64_t thread_id, struct rtos_reg **reg_list, int *num_regs);
+static int ecos_get_symbol_list_to_lookup(struct symbol_table_elem *symbol_list[]);
-struct eCos_thread_state
-{
+struct ecos_thread_state {
int value;
- char * desc;
+ const char *desc;
};
-
-struct eCos_thread_state eCos_thread_states[] =
-{
- { 0, "Ready" },
- { 1, "Sleeping" },
- { 2, "Countsleep" },
- { 4, "Suspended" },
- { 8, "Creating" },
- { 16, "Exited" }
+static const struct ecos_thread_state ecos_thread_states[] = {
+ { 0, "Ready" },
+ { 1, "Sleeping" },
+ { 2, "Countsleep" },
+ { 4, "Suspended" },
+ { 8, "Creating" },
+ { 16, "Exited" }
};
-#define ECOS_NUM_STATES (sizeof(eCos_thread_states)/sizeof(struct eCos_thread_state))
-
-struct eCos_params
-{
- char * target_name;
- unsigned char pointer_width;
- unsigned char thread_stack_offset;
- unsigned char thread_name_offset;
- unsigned char thread_state_offset;
- unsigned char thread_next_offset;
- unsigned char thread_uniqueid_offset;
- const struct rtos_register_stacking* stacking_info;
+#define ECOS_NUM_STATES ARRAY_SIZE(ecos_thread_states)
+
+struct ecos_params {
+ const char *target_name;
+ unsigned char pointer_width;
+ unsigned char thread_stack_offset;
+ unsigned char thread_name_offset;
+ unsigned char thread_state_offset;
+ unsigned char thread_next_offset;
+ unsigned char thread_uniqueid_offset;
+ const struct rtos_register_stacking *stacking_info;
};
-const struct eCos_params eCos_params_list[] =
-{
- { "cortex_m3", // target_name
- 4, // pointer_width;
- 0x0c, // thread_stack_offset;
- 0x9c, // thread_name_offset;
- 0x3c, // thread_state_offset;
- 0xa0, // thread_next_offset
- 0x4c, // thread_uniqueid_offset
- &rtos_eCos_Cortex_M3_stacking // stacking_info
+static const struct ecos_params ecos_params_list[] = {
+ {
+ "cortex_m", /* target_name */
+ 4, /* pointer_width; */
+ 0x0c, /* thread_stack_offset; */
+ 0x9c, /* thread_name_offset; */
+ 0x3c, /* thread_state_offset; */
+ 0xa0, /* thread_next_offset */
+ 0x4c, /* thread_uniqueid_offset */
+ &rtos_ecos_cortex_m3_stacking /* stacking_info */
}
-
};
-#define ECOS_NUM_PARAMS ((int)(sizeof(eCos_params_list)/sizeof(struct eCos_params)))
-
-enum eCos_symbol_values
-{
- eCos_VAL_thread_list = 0,
- eCos_VAL_current_thread_ptr = 1
+enum ecos_symbol_values {
+ ECOS_VAL_THREAD_LIST = 0,
+ ECOS_VAL_CURRENT_THREAD_PTR = 1
};
-static char* eCos_symbol_list[] =
-{
- "Cyg_Thread::thread_list",
- "Cyg_Scheduler_Base::current_thread",
- NULL
+static const char * const ecos_symbol_list[] = {
+ "Cyg_Thread::thread_list",
+ "Cyg_Scheduler_Base::current_thread",
+ NULL
};
+const struct rtos_type ecos_rtos = {
+ .name = "eCos",
-
-#define ECOS_NUM_SYMBOLS (sizeof(eCos_symbol_list)/sizeof(char*))
-
-
-const struct rtos_type eCos_rtos =
-{
- .name = "eCos",
-
- .detect_rtos = eCos_detect_rtos,
- .create = eCos_create,
- .update_threads = eCos_update_threads,
- .get_thread_reg_list = eCos_get_thread_reg_list,
- .get_symbol_list_to_lookup = eCos_get_symbol_list_to_lookup,
+ .detect_rtos = ecos_detect_rtos,
+ .create = ecos_create,
+ .update_threads = ecos_update_threads,
+ .get_thread_reg_list = ecos_get_thread_reg_list,
+ .get_symbol_list_to_lookup = ecos_get_symbol_list_to_lookup,
};
-static int eCos_update_threads( struct rtos* rtos)
+static int ecos_update_threads(struct rtos *rtos)
{
int retval;
int tasks_found = 0;
int thread_list_size = 0;
- const struct eCos_params* param;
+ const struct ecos_params *param;
- if ( rtos == NULL )
- {
+ if (!rtos)
return -1;
- }
- if (rtos->rtos_specific_params == NULL )
- {
+ if (!rtos->rtos_specific_params)
return -3;
- }
- param = (const struct eCos_params*) rtos->rtos_specific_params;
+ param = (const struct ecos_params *) rtos->rtos_specific_params;
- if ( rtos->symbols == NULL )
- {
- LOG_OUTPUT("No symbols for eCos\r\n");
+ if (!rtos->symbols) {
+ LOG_ERROR("No symbols for eCos");
return -4;
}
- if ( rtos->symbols[eCos_VAL_thread_list].address == 0 )
- {
- LOG_OUTPUT("Don't have the thread list head\r\n");
+ if (rtos->symbols[ECOS_VAL_THREAD_LIST].address == 0) {
+ LOG_ERROR("Don't have the thread list head");
return -2;
}
+ /* wipe out previous thread details if any */
+ rtos_free_threadlist(rtos);
- // wipe out previous thread details if any
- if ( rtos->thread_details != NULL )
- {
- int j;
- for( j = 0; j < rtos->thread_count; j++ )
- {
- if ( rtos->thread_details[j].display_str != NULL )
- {
- free( rtos->thread_details[j].display_str );
- rtos->thread_details[j].display_str = NULL;
- }
- if ( rtos->thread_details[j].thread_name_str != NULL )
- {
- free( rtos->thread_details[j].thread_name_str );
- rtos->thread_details[j].thread_name_str = NULL;
- }
- if ( rtos->thread_details[j].extra_info_str != NULL )
- {
- free( rtos->thread_details[j].extra_info_str );
- rtos->thread_details[j].extra_info_str = NULL;
- }
- }
- free( rtos->thread_details );
- rtos->thread_details = NULL;
- }
-
-
- // determine the number of current threads
- uint32_t thread_list_head = rtos->symbols[eCos_VAL_thread_list].address;
+ /* determine the number of current threads */
+ uint32_t thread_list_head = rtos->symbols[ECOS_VAL_THREAD_LIST].address;
uint32_t thread_index;
- target_read_buffer( rtos->target, thread_list_head, param->pointer_width, (uint8_t *) &thread_index );
+ target_read_buffer(rtos->target,
+ thread_list_head,
+ param->pointer_width,
+ (uint8_t *) &thread_index);
uint32_t first_thread = thread_index;
- do
- {
+ do {
thread_list_size++;
- retval = target_read_buffer( rtos->target, thread_index + param->thread_next_offset, param->pointer_width, (uint8_t *) &thread_index );
+ retval = target_read_buffer(rtos->target,
+ thread_index + param->thread_next_offset,
+ param->pointer_width,
+ (uint8_t *) &thread_index);
if (retval != ERROR_OK)
return retval;
- } while( thread_index!=first_thread );
+ } while (thread_index != first_thread);
- // read the current thread id
+ /* read the current thread id */
uint32_t current_thread_addr;
- retval = target_read_buffer( rtos->target, rtos->symbols[eCos_VAL_current_thread_ptr].address, 4, (uint8_t *)¤t_thread_addr);
+ retval = target_read_buffer(rtos->target,
+ rtos->symbols[ECOS_VAL_CURRENT_THREAD_PTR].address,
+ 4,
+ (uint8_t *)¤t_thread_addr);
if (retval != ERROR_OK)
return retval;
rtos->current_thread = 0;
- retval = target_read_buffer( rtos->target, current_thread_addr + param->thread_uniqueid_offset, 2, (uint8_t *)&rtos->current_thread);
- if ( retval != ERROR_OK )
- {
- LOG_OUTPUT("Could not read eCos current thread from target\r\n");
+ retval = target_read_buffer(rtos->target,
+ current_thread_addr + param->thread_uniqueid_offset,
+ 2,
+ (uint8_t *)&rtos->current_thread);
+ if (retval != ERROR_OK) {
+ LOG_ERROR("Could not read eCos current thread from target");
return retval;
}
- 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
+ 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 = (struct thread_detail*) malloc( sizeof( struct thread_detail ) * thread_list_size );
+ rtos->thread_details = malloc(
+ sizeof(struct thread_detail) * thread_list_size);
rtos->thread_details->threadid = 1;
rtos->thread_details->exists = true;
- rtos->thread_details->display_str = NULL;
rtos->thread_details->extra_info_str = NULL;
- rtos->thread_details->thread_name_str = (char*) malloc( sizeof(tmp_str) );
- strcpy( rtos->thread_details->thread_name_str, tmp_str );
+ rtos->thread_details->thread_name_str = malloc(sizeof(tmp_str));
+ strcpy(rtos->thread_details->thread_name_str, tmp_str);
-
- if ( thread_list_size == 0 )
- {
+ if (thread_list_size == 0) {
rtos->thread_count = 1;
return ERROR_OK;
}
- }
- else
- {
- // create space for new thread details
- rtos->thread_details = (struct thread_detail*) malloc( sizeof( struct thread_detail ) * thread_list_size );
+ } else {
+ /* create space for new thread details */
+ rtos->thread_details = malloc(
+ sizeof(struct thread_detail) * thread_list_size);
}
- // loop over all threads
+ /* loop over all threads */
thread_index = first_thread;
- do
- {
+ do {
#define ECOS_THREAD_NAME_STR_SIZE (200)
char tmp_str[ECOS_THREAD_NAME_STR_SIZE];
uint32_t name_ptr = 0;
uint32_t prev_thread_ptr;
- // Save the thread pointer
+ /* Save the thread pointer */
uint16_t thread_id;
- retval = target_read_buffer( rtos->target, thread_index + param->thread_uniqueid_offset, 2, (uint8_t *)&thread_id);
- if ( retval != ERROR_OK )
- {
- LOG_OUTPUT("Could not read eCos thread id from target\r\n");
+ retval = target_read_buffer(rtos->target,
+ thread_index + param->thread_uniqueid_offset,
+ 2,
+ (uint8_t *)&thread_id);
+ if (retval != ERROR_OK) {
+ LOG_ERROR("Could not read eCos thread id from target");
return retval;
}
rtos->thread_details[tasks_found].threadid = thread_id;
- // read the name pointer
- retval = target_read_buffer( rtos->target, thread_index + param->thread_name_offset, param->pointer_width, (uint8_t *)&name_ptr);
- if ( retval != ERROR_OK )
- {
- LOG_OUTPUT("Could not read eCos thread name pointer from target\r\n");
+ /* read the name pointer */
+ retval = target_read_buffer(rtos->target,
+ thread_index + param->thread_name_offset,
+ param->pointer_width,
+ (uint8_t *)&name_ptr);
+ if (retval != ERROR_OK) {
+ LOG_ERROR("Could not read eCos thread name pointer from target");
return retval;
}
- // Read the thread name
- retval = target_read_buffer( rtos->target, name_ptr, ECOS_THREAD_NAME_STR_SIZE, (uint8_t *)&tmp_str);
- if ( retval != ERROR_OK )
- {
- LOG_OUTPUT("Error reading thread name from eCos target\r\n");
+ /* Read the thread name */
+ retval =
+ target_read_buffer(rtos->target,
+ name_ptr,
+ ECOS_THREAD_NAME_STR_SIZE,
+ (uint8_t *)&tmp_str);
+ if (retval != ERROR_OK) {
+ LOG_ERROR("Error reading thread name from eCos target");
return retval;
}
tmp_str[ECOS_THREAD_NAME_STR_SIZE-1] = '\x00';
- if ( tmp_str[0] == '\x00' )
- {
- strcpy(tmp_str,"No Name");
- }
+ if (tmp_str[0] == '\x00')
+ strcpy(tmp_str, "No Name");
- rtos->thread_details[tasks_found].thread_name_str = (char*)malloc( strlen(tmp_str)+1 );
- strcpy( rtos->thread_details[tasks_found].thread_name_str, tmp_str );
+ rtos->thread_details[tasks_found].thread_name_str =
+ malloc(strlen(tmp_str)+1);
+ strcpy(rtos->thread_details[tasks_found].thread_name_str, tmp_str);
- // Read the thread status
+ /* Read the thread status */
int64_t thread_status = 0;
- retval = target_read_buffer( rtos->target, thread_index + param->thread_state_offset, 4, (uint8_t *)&thread_status);
- if ( retval != ERROR_OK )
- {
- LOG_OUTPUT("Error reading thread state from eCos target\r\n");
+ retval = target_read_buffer(rtos->target,
+ thread_index + param->thread_state_offset,
+ 4,
+ (uint8_t *)&thread_status);
+ if (retval != ERROR_OK) {
+ LOG_ERROR("Error reading thread state from eCos target");
return retval;
}
- for( i = 0; (i < ECOS_NUM_STATES) && (eCos_thread_states[i].value!=thread_status); i++ )
- {
+ for (i = 0; (i < ECOS_NUM_STATES) && (ecos_thread_states[i].value != thread_status); i++) {
+ /*
+ * empty
+ */
}
- char * state_desc;
+ const char *state_desc;
if (i < ECOS_NUM_STATES)
- {
- state_desc = eCos_thread_states[i].desc;
- }
+ state_desc = ecos_thread_states[i].desc;
else
- {
state_desc = "Unknown state";
- }
- rtos->thread_details[tasks_found].extra_info_str = (char*)malloc( strlen(state_desc)+1 );
- strcpy( rtos->thread_details[tasks_found].extra_info_str, state_desc );
+ rtos->thread_details[tasks_found].extra_info_str = malloc(strlen(
+ state_desc)+8);
+ sprintf(rtos->thread_details[tasks_found].extra_info_str, "State: %s", state_desc);
rtos->thread_details[tasks_found].exists = true;
- rtos->thread_details[tasks_found].display_str = NULL;
-
-
tasks_found++;
prev_thread_ptr = thread_index;
- // Get the location of the next thread structure.
- thread_index = rtos->symbols[eCos_VAL_thread_list].address;
- retval = target_read_buffer( rtos->target, prev_thread_ptr + param->thread_next_offset, param->pointer_width, (uint8_t *) &thread_index );
- if ( retval != ERROR_OK )
- {
- LOG_OUTPUT("Error reading next thread pointer in eCos thread list\r\n");
+ /* Get the location of the next thread structure. */
+ thread_index = rtos->symbols[ECOS_VAL_THREAD_LIST].address;
+ retval = target_read_buffer(rtos->target,
+ prev_thread_ptr + param->thread_next_offset,
+ param->pointer_width,
+ (uint8_t *) &thread_index);
+ if (retval != ERROR_OK) {
+ LOG_ERROR("Error reading next thread pointer in eCos thread list");
return retval;
}
- }
- while( thread_index!=first_thread );
+ } while (thread_index != first_thread);
rtos->thread_count = tasks_found;
return 0;
}
-static int eCos_get_thread_reg_list(struct rtos *rtos, int64_t thread_id, char ** hex_reg_list )
+static int ecos_get_thread_reg_list(struct rtos *rtos, int64_t thread_id,
+ struct rtos_reg **reg_list, int *num_regs)
{
-
int retval;
- const struct eCos_params* param;
+ const struct ecos_params *param;
- *hex_reg_list = NULL;
-
- if ( rtos == NULL )
- {
+ if (!rtos)
return -1;
- }
- if ( thread_id == 0 )
- {
+ if (thread_id == 0)
return -2;
- }
- if (rtos->rtos_specific_params == NULL )
- {
+ if (!rtos->rtos_specific_params)
return -3;
- }
-
- param = (const struct eCos_params*) rtos->rtos_specific_params;
+ param = (const struct ecos_params *) rtos->rtos_specific_params;
- // Find the thread with that thread id
- uint16_t id=0;
- uint32_t thread_list_head = rtos->symbols[eCos_VAL_thread_list].address;
+ /* Find the thread with that thread id */
+ uint16_t id = 0;
+ uint32_t thread_list_head = rtos->symbols[ECOS_VAL_THREAD_LIST].address;
uint32_t thread_index;
- target_read_buffer( rtos->target, thread_list_head, param->pointer_width, (uint8_t *) &thread_index );
- bool done=false;
- while(!done)
- {
- retval = target_read_buffer( rtos->target, thread_index + param->thread_uniqueid_offset, 2, (uint8_t*)&id);
- if ( retval != ERROR_OK )
- {
- LOG_OUTPUT("Error reading unique id from eCos thread\r\n");
+ target_read_buffer(rtos->target, thread_list_head, param->pointer_width,
+ (uint8_t *)&thread_index);
+ bool done = false;
+ while (!done) {
+ retval = target_read_buffer(rtos->target,
+ thread_index + param->thread_uniqueid_offset,
+ 2,
+ (uint8_t *)&id);
+ if (retval != ERROR_OK) {
+ LOG_ERROR("Error reading unique id from eCos thread");
return retval;
}
- if( id==thread_id )
- {
- done=true;
+ if (id == thread_id) {
+ done = true;
break;
}
- target_read_buffer( rtos->target, thread_index + param->thread_next_offset, param->pointer_width, (uint8_t *) &thread_index );
+ target_read_buffer(rtos->target,
+ thread_index + param->thread_next_offset,
+ param->pointer_width,
+ (uint8_t *) &thread_index);
}
- if(done)
- {
- // Read the stack pointer
+ if (done) {
+ /* Read the stack pointer */
int64_t stack_ptr = 0;
- retval = target_read_buffer( rtos->target, thread_index + param->thread_stack_offset, param->pointer_width, (uint8_t*)&stack_ptr);
- if ( retval != ERROR_OK )
- {
- LOG_OUTPUT("Error reading stack frame from eCos thread\r\n");
+ retval = target_read_buffer(rtos->target,
+ thread_index + param->thread_stack_offset,
+ param->pointer_width,
+ (uint8_t *)&stack_ptr);
+ if (retval != ERROR_OK) {
+ LOG_ERROR("Error reading stack frame from eCos thread");
return retval;
}
- return rtos_generic_stack_read( rtos->target, param->stacking_info, stack_ptr, hex_reg_list );
+ return rtos_generic_stack_read(rtos->target,
+ param->stacking_info,
+ stack_ptr,
+ reg_list,
+ num_regs);
}
return -1;
}
-
-
-static int eCos_get_symbol_list_to_lookup(symbol_table_elem_t * symbol_list[])
+static int ecos_get_symbol_list_to_lookup(struct symbol_table_elem *symbol_list[])
{
unsigned int i;
- *symbol_list = (symbol_table_elem_t *) malloc( sizeof( symbol_table_elem_t ) * ECOS_NUM_SYMBOLS );
+ *symbol_list = calloc(
+ ARRAY_SIZE(ecos_symbol_list), sizeof(struct symbol_table_elem));
- for( i = 0; i < ECOS_NUM_SYMBOLS; i++ )
- {
- (*symbol_list)[i].symbol_name = eCos_symbol_list[i];
- }
+ for (i = 0; i < ARRAY_SIZE(ecos_symbol_list); i++)
+ (*symbol_list)[i].symbol_name = ecos_symbol_list[i];
return 0;
}
-static int eCos_detect_rtos( struct target* target )
+static bool ecos_detect_rtos(struct target *target)
{
- if ( ( target->rtos->symbols != NULL ) &&
- ( target->rtos->symbols[eCos_VAL_thread_list].address != 0 ) )
- {
- // looks like eCos
- return 1;
+ if ((target->rtos->symbols) &&
+ (target->rtos->symbols[ECOS_VAL_THREAD_LIST].address != 0)) {
+ /* looks like eCos */
+ return true;
}
- return 0;
+ return false;
}
-static int eCos_create( struct target* target )
+static int ecos_create(struct target *target)
{
- int i = 0;
- while ( ( i < ECOS_NUM_PARAMS ) && ( 0 != strcmp( eCos_params_list[i].target_name, target->type->name ) ) )
- {
- i++;
- }
- if ( i >= ECOS_NUM_PARAMS )
- {
- LOG_OUTPUT("Could not find target in eCos compatibility list\r\n");
- return -1;
- }
+ for (unsigned int i = 0; i < ARRAY_SIZE(ecos_params_list); i++)
+ if (strcmp(ecos_params_list[i].target_name, target->type->name) == 0) {
+ target->rtos->rtos_specific_params = (void *)&ecos_params_list[i];
+ target->rtos->current_thread = 0;
+ target->rtos->thread_details = NULL;
+ return 0;
+ }
- target->rtos->rtos_specific_params = (void*) &eCos_params_list[i];
- target->rtos->current_thread = 0;
- target->rtos->thread_details = NULL;
- return 0;
+ LOG_ERROR("Could not find target in eCos compatibility list");
+ return -1;
}
projects / fw / openocd / blobdiff