diff options
Diffstat (limited to 'src/rtos/FreeRTOS.c')
| -rw-r--r-- | src/rtos/FreeRTOS.c | 132 |
1 files changed, 72 insertions, 60 deletions
diff --git a/src/rtos/FreeRTOS.c b/src/rtos/FreeRTOS.c index 6e829b5..215f55d 100644 --- a/src/rtos/FreeRTOS.c +++ b/src/rtos/FreeRTOS.c @@ -345,6 +345,74 @@ static unsigned populate_offset_size(struct FreeRTOS *freertos, return offset; } +static void FreeRTOS_compute_offsets(struct rtos *rtos) +{ + struct FreeRTOS *freertos = (struct FreeRTOS *) rtos->rtos_specific_params; + + if (freertos->pointer_size != 0) + return; + + freertos->pointer_size = DIV_ROUND_UP(target_address_bits(rtos->target), 8); + freertos->ubasetype_size = DIV_ROUND_UP(target_data_bits(rtos->target), 8); + + /* + * FreeRTOS can be compiled with configUSE_LIST_DATA_INTEGRITY_CHECK_BYTES + * in which case extra data is inserted and OpenOCD won't work right. + */ + + /* struct xLIST */ + type_offset_size_t struct_list_info[] = { + {TYPE_UBASE, 0, 0}, /* uxNumberOfItems */ + {TYPE_POINTER, 0, 0}, /* ListItem_t *pxIndex */ + {TYPE_TICKTYPE, 0, 0}, /* xItemValue */ + {TYPE_POINTER, 0, 0}, /* ListItem_t *pxNext */ + {TYPE_POINTER, 0, 0}, /* ListItem_t *pxPrevious */ + }; + + /* struct xLIST_ITEM */ + type_offset_size_t struct_list_item_info[] = { + {TYPE_TICKTYPE, 0, 0}, /* xItemValue */ + {TYPE_POINTER, 0, 0}, /* ListItem_t *pxNext */ + {TYPE_POINTER, 0, 0}, /* ListItem_t *pxPrevious */ + {TYPE_POINTER, 0, 0}, /* void *pvOwner */ + {TYPE_POINTER, 0, 0}, /* List_t *pvContainer */ + }; + + /* struct tskTaskControlBlock */ + type_offset_size_t task_control_block_info[] = { + {TYPE_POINTER, 0, 0}, /* StackType_t *pxTopOfStack */ + {TYPE_LIST_ITEM, 0, 0}, /* ListItem_t xStateListItem */ + {TYPE_LIST_ITEM, 0, 0}, /* ListItem_t xEventListItem */ + {TYPE_UBASE, 0, 0}, /* uxPriority */ + {TYPE_POINTER, 0, 0}, /* StackType_t *pxStack */ + /* configMAX_TASK_NAME_LEN varies a lot between targets, but luckily the + * name is NULL_terminated and we don't need to read anything else in + * the TCB. */ + {TYPE_CHAR_ARRAY, 0, FREERTOS_THREAD_NAME_STR_SIZE}, /* char pcTaskName[configMAX_TASK_NAME_LEN] */ + /* Lots of more optional stuff, but is is irrelevant to us. */ + }; + + freertos->list_width = populate_offset_size( + freertos, struct_list_info, ARRAY_SIZE(struct_list_info)); + freertos->list_uxNumberOfItems_offset = struct_list_info[0].offset; + freertos->list_uxNumberOfItems_size = struct_list_info[0].size; + freertos->list_next_offset = struct_list_info[3].offset; + freertos->list_next_size = struct_list_info[3].size; + + freertos->list_item_width = populate_offset_size( + freertos, struct_list_item_info, ARRAY_SIZE(struct_list_item_info)); + freertos->list_elem_next_offset = struct_list_item_info[1].offset; + freertos->list_elem_next_size = struct_list_item_info[1].size; + freertos->list_elem_content_offset = struct_list_item_info[3].offset; + freertos->list_elem_content_size = struct_list_item_info[3].size; + + populate_offset_size( + freertos, task_control_block_info, ARRAY_SIZE(task_control_block_info)); + freertos->thread_stack_offset = task_control_block_info[0].offset; + freertos->thread_stack_size = task_control_block_info[0].size; + freertos->thread_name_offset = task_control_block_info[5].offset; +} + static int FreeRTOS_update_threads(struct rtos *rtos) { int retval; @@ -353,6 +421,8 @@ static int FreeRTOS_update_threads(struct rtos *rtos) if (rtos->rtos_specific_params == NULL) return ERROR_FAIL; + FreeRTOS_compute_offsets(rtos); + struct FreeRTOS *freertos = (struct FreeRTOS *) rtos->rtos_specific_params; if (rtos->symbols == NULL) { @@ -638,6 +708,8 @@ static int FreeRTOS_get_stacking_info(struct rtos *rtos, threadid_t thread_id, return ERROR_FAIL; } + FreeRTOS_compute_offsets(rtos); + struct FreeRTOS *freertos = (struct FreeRTOS *) rtos->rtos_specific_params; const struct FreeRTOS_params *param = freertos->param; @@ -847,65 +919,5 @@ static int FreeRTOS_create(struct target *target) return ERROR_FAIL; } - freertos->pointer_size = DIV_ROUND_UP(target_address_bits(target), 8); - freertos->ubasetype_size = DIV_ROUND_UP(target_data_bits(target), 8); - - /* - * FreeRTOS can be compiled with configUSE_LIST_DATA_INTEGRITY_CHECK_BYTES - * in which case extra data is inserted and OpenOCD won't work right. - */ - - /* struct xLIST */ - type_offset_size_t struct_list_info[] = { - {TYPE_UBASE, 0, 0}, /* uxNumberOfItems */ - {TYPE_POINTER, 0, 0}, /* ListItem_t *pxIndex */ - {TYPE_TICKTYPE, 0, 0}, /* xItemValue */ - {TYPE_POINTER, 0, 0}, /* ListItem_t *pxNext */ - {TYPE_POINTER, 0, 0}, /* ListItem_t *pxPrevious */ - }; - - /* struct xLIST_ITEM */ - type_offset_size_t struct_list_item_info[] = { - {TYPE_TICKTYPE, 0, 0}, /* xItemValue */ - {TYPE_POINTER, 0, 0}, /* ListItem_t *pxNext */ - {TYPE_POINTER, 0, 0}, /* ListItem_t *pxPrevious */ - {TYPE_POINTER, 0, 0}, /* void *pvOwner */ - {TYPE_POINTER, 0, 0}, /* List_t *pvContainer */ - }; - - /* struct tskTaskControlBlock */ - type_offset_size_t task_control_block_info[] = { - {TYPE_POINTER, 0, 0}, /* StackType_t *pxTopOfStack */ - {TYPE_LIST_ITEM, 0, 0}, /* ListItem_t xStateListItem */ - {TYPE_LIST_ITEM, 0, 0}, /* ListItem_t xEventListItem */ - {TYPE_UBASE, 0, 0}, /* uxPriority */ - {TYPE_POINTER, 0, 0}, /* StackType_t *pxStack */ - /* configMAX_TASK_NAME_LEN varies a lot between targets, but luckily the - * name is NULL_terminated and we don't need to read anything else in - * the TCB. */ - {TYPE_CHAR_ARRAY, 0, FREERTOS_THREAD_NAME_STR_SIZE}, /* char pcTaskName[configMAX_TASK_NAME_LEN] */ - /* Lots of more optional stuff, but is is irrelevant to us. */ - }; - - freertos->list_width = populate_offset_size( - freertos, struct_list_info, ARRAY_SIZE(struct_list_info)); - freertos->list_uxNumberOfItems_offset = struct_list_info[0].offset; - freertos->list_uxNumberOfItems_size = struct_list_info[0].size; - freertos->list_next_offset = struct_list_info[3].offset; - freertos->list_next_size = struct_list_info[3].size; - - freertos->list_item_width = populate_offset_size( - freertos, struct_list_item_info, ARRAY_SIZE(struct_list_item_info)); - freertos->list_elem_next_offset = struct_list_item_info[1].offset; - freertos->list_elem_next_size = struct_list_item_info[1].size; - freertos->list_elem_content_offset = struct_list_item_info[3].offset; - freertos->list_elem_content_size = struct_list_item_info[3].size; - - populate_offset_size( - freertos, task_control_block_info, ARRAY_SIZE(task_control_block_info)); - freertos->thread_stack_offset = task_control_block_info[0].offset; - freertos->thread_stack_size = task_control_block_info[0].size; - freertos->thread_name_offset = task_control_block_info[5].offset; - return 0; } |