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change(bt): Rename linker script file names and symbol names

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1. rename linker files
2. support memory release in case that ESP_ALLOW_BSS_SEG_EXTERNAL_MEMORY is enabled
3. improve the implementation of memory release
This commit is contained in:
Wang Mengyang 2024-03-20 19:27:43 +08:00
parent d01f09044e
commit cc0485e40d
10 changed files with 240 additions and 129 deletions
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3
components/bt/CMakeLists.txt
View File

@ -24,8 +24,7 @@ if(CONFIG_BT_ENABLED)
elseif(CONFIG_IDF_TARGET_ESP32C2)
list(APPEND srcs "controller/esp32c2/bt.c")
list(APPEND include_dirs include/esp32c2/include)
set(ldscripts "linker_common_esp32c2.lf")
list(APPEND ldscripts "linker_esp_ble_controller.lf")
set(ldscripts "linker_esp32c2.lf")
elseif(CONFIG_IDF_TARGET_ESP32C6)
list(APPEND srcs "controller/esp32c6/bt.c")

115
components/bt/controller/esp32/bt.c
View File

@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2015-2023 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2015-2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@ -756,7 +756,7 @@ static int32_t queue_send_hlevel_wrapper(void *queue, void *item, uint32_t block
* @param item The message which will be send
* @param hptw need do task yield or not
* @return send success or not
* There is an issue here: When the queue is full, it may reture true but it send fail to the queue, sometimes.
* There is an issue here: When the queue is full, it may return true but it send fail to the queue, sometimes.
* But in Bluetooth controller's isr, We don't care about the return value.
* It only required tp send success when the queue is empty all the time.
* So, this function meets the requirement.
@ -1296,7 +1296,26 @@ static esp_err_t esp_bt_mem_release_area(const bt_area_t *area)
return ret;
}
esp_err_t esp_bt_controller_mem_release(esp_bt_mode_t mode)
static esp_err_t esp_bt_mem_release_areas(const bt_area_t *area1, const bt_area_t *area2)
{
esp_err_t ret = ESP_OK;
if (area1->end == area2->start) {
bt_area_t merged_area = {
.start = area1->start,
.end = area2->end,
.name = area1->name
};
ret = esp_bt_mem_release_area(&merged_area);
} else {
esp_bt_mem_release_area(area1);
ret = esp_bt_mem_release_area(area2);
}
return ret;
}
static esp_err_t esp_bt_controller_rom_mem_release(esp_bt_mode_t mode)
{
bool update = true;
intptr_t mem_start=(intptr_t) NULL, mem_end=(intptr_t) NULL;
@ -1347,6 +1366,17 @@ esp_err_t esp_bt_controller_mem_release(esp_bt_mode_t mode)
}
}
return ESP_OK;
}
esp_err_t esp_bt_controller_mem_release(esp_bt_mode_t mode)
{
esp_err_t ret = ESP_OK;
if (btdm_controller_status != ESP_BT_CONTROLLER_STATUS_IDLE) {
return ESP_ERR_INVALID_STATE;
}
if (mode == ESP_BT_MODE_BTDM) {
bt_area_t cont_bss = {
.start = (intptr_t)&_bt_controller_bss_start,
@ -1358,51 +1388,64 @@ esp_err_t esp_bt_controller_mem_release(esp_bt_mode_t mode)
.end = (intptr_t)&_bt_controller_data_end,
.name = "BT Controller Data"
};
esp_bt_mem_release_area(&cont_bss);
esp_bt_mem_release_area(&cont_data);
ret = esp_bt_mem_release_areas(&cont_data, &cont_bss);
}
return ESP_OK;
if (ret == ESP_OK) {
ret = esp_bt_controller_rom_mem_release(mode);
}
return ret;
}
esp_err_t esp_bt_mem_release(esp_bt_mode_t mode)
{
int ret;
intptr_t mem_start, mem_end;
esp_err_t ret = ESP_OK;
ret = esp_bt_controller_mem_release(mode);
if (ret != ESP_OK) {
return ret;
if (btdm_controller_status != ESP_BT_CONTROLLER_STATUS_IDLE) {
return ESP_ERR_INVALID_STATE;
}
bt_area_t bss = {
.start = (intptr_t)&_bt_bss_start,
.end = (intptr_t)&_bt_bss_end,
.name = "BT BSS",
};
bt_area_t cont_bss = {
.start = (intptr_t)&_bt_controller_bss_start,
.end = (intptr_t)&_bt_controller_bss_end,
.name = "BT Controller BSS",
};
bt_area_t data = {
.start = (intptr_t)&_bt_data_start,
.end = (intptr_t)&_bt_data_end,
.name = "BT Data",
};
bt_area_t cont_data = {
.start = (intptr_t)&_bt_controller_data_start,
.end = (intptr_t)&_bt_controller_data_end,
.name = "BT Controller Data"
};
if (mode == ESP_BT_MODE_BTDM) {
mem_start = (intptr_t)&_bt_bss_start;
mem_end = (intptr_t)&_bt_bss_end;
if (mem_start != mem_end) {
ESP_LOGD(BTDM_LOG_TAG, "Release BT BSS [0x%08x] - [0x%08x]", mem_start, mem_end);
ESP_ERROR_CHECK(try_heap_caps_add_region(mem_start, mem_end));
}
mem_start = (intptr_t)&_bt_data_start;
mem_end = (intptr_t)&_bt_data_end;
if (mem_start != mem_end) {
ESP_LOGD(BTDM_LOG_TAG, "Release BT Data [0x%08x] - [0x%08x]", mem_start, mem_end);
ESP_ERROR_CHECK(try_heap_caps_add_region(mem_start, mem_end));
/* Start by freeing Bluetooth BSS section */
if (ret == ESP_OK) {
ret = esp_bt_mem_release_areas(&bss, &cont_bss);
}
mem_start = (intptr_t)&_bt_controller_bss_start;
mem_end = (intptr_t)&_bt_controller_bss_end;
if (mem_start != mem_end) {
ESP_LOGD(BTDM_LOG_TAG, "Release Controller BSS [0x%08x] - [0x%08x]", mem_start, mem_end);
ESP_ERROR_CHECK(try_heap_caps_add_region(mem_start, mem_end));
}
mem_start = (intptr_t)&_bt_controller_data_start;
mem_end = (intptr_t)&_bt_controller_data_end;
if (mem_start != mem_end) {
ESP_LOGD(BTDM_LOG_TAG, "Release Controller Data [0x%08x] - [0x%08x]", mem_start, mem_end);
ESP_ERROR_CHECK(try_heap_caps_add_region(mem_start, mem_end));
/* Do the same thing with the Bluetooth data section */
if (ret == ESP_OK) {
ret = esp_bt_mem_release_areas(&data, &cont_data);
}
}
return ESP_OK;
/* free data and BSS section for Bluetooth controller ROM code */
if (ret == ESP_OK) {
ret = esp_bt_controller_rom_mem_release(mode);
}
return ret;
}
#if CONFIG_BTDM_CTRL_HLI
@ -1711,7 +1754,7 @@ esp_err_t esp_bt_controller_enable(esp_bt_mode_t mode)
sdk_config_set_bt_pll_track_enable(true);
// inititalize bluetooth baseband
// initialize bluetooth baseband
btdm_check_and_init_bb();
ret = btdm_controller_enable(mode);
@ -1874,7 +1917,7 @@ esp_err_t esp_ble_scan_dupilcate_list_flush(void)
/**
* This function re-write controller's function,
* As coredump can not show paramerters in function which is in a .a file.
* As coredump can not show parameters in function which is in a .a file.
*
* After coredump fixing this issue, just delete this function.
*/

13
components/bt/controller/esp32c2/bt.c
View File

@ -915,6 +915,7 @@ static esp_err_t esp_bt_mem_release_area(const bt_area_t *area)
return ret;
}
#ifndef CONFIG_BT_RELEASE_IRAM
static esp_err_t esp_bt_mem_release_areas(const bt_area_t *area1, const bt_area_t *area2)
{
esp_err_t ret = ESP_OK;
@ -933,6 +934,7 @@ static esp_err_t esp_bt_mem_release_areas(const bt_area_t *area1, const bt_area_
return ret;
}
#endif
esp_err_t esp_bt_mem_release(esp_bt_mode_t mode)
{
@ -945,18 +947,21 @@ esp_err_t esp_bt_mem_release(esp_bt_mode_t mode)
* memory into 3 different regions (IRAM, BLE-IRAM, DRAM). So `ESP_SYSTEM_PMP_IDRAM_SPLIT` needs
* to be disabled.
*/
ESP_LOGE(NIMBLE_PORT_LOG_TAG, "`ESP_SYSTEM_PMP_IDRAM_SPLIT` should be disabled!");
assert(0);
#error "ESP_SYSTEM_PMP_IDRAM_SPLIT should be disabled to allow BT to be released"
#endif // CONFIG_BT_RELEASE_IRAM && CONFIG_ESP_SYSTEM_PMP_IDRAM_SPLIT
if (ble_controller_status != ESP_BT_CONTROLLER_STATUS_IDLE) {
return ESP_ERR_INVALID_STATE;
}
if ((mode & ESP_BT_MODE_BLE) == 0) {
return ret;
}
#if CONFIG_BT_RELEASE_IRAM
bt_area_t merged_region = {
.start = (intptr_t)MAP_IRAM_TO_DRAM((intptr_t)&_iram_bt_text_start);
.end = (intptr_t)&_bss_bt_end;
.start = (intptr_t)MAP_IRAM_TO_DRAM((intptr_t)&_iram_bt_text_start),
.end = (intptr_t)&_bss_bt_end,
.name = "BT Text, BSS and Data"
};
ret = esp_bt_mem_release_area(&merged_region);

100
components/bt/controller/esp32c3/bt.c
View File

@ -947,42 +947,45 @@ typedef struct {
const char* name;
} bt_area_t;
static esp_err_t esp_bt_mem_release_areas(const bt_area_t* area1, const bt_area_t* area2)
static esp_err_t esp_bt_mem_release_area(const bt_area_t *area)
{
esp_err_t ret = ESP_OK;
intptr_t mem_start = 0;
intptr_t mem_end = 0;
intptr_t mem_start = area->start;
intptr_t mem_end = area->end;
if (mem_start != mem_end) {
ESP_LOGD(BT_LOG_TAG, "Release %s [0x%08x] - [0x%08x], len %d", area->name, mem_start, mem_end, mem_end - mem_start);
ret = try_heap_caps_add_region(mem_start, mem_end);
}
return ret;
}
if(area1->end == area2->start) {
mem_start = area1->start;
mem_end = area2->end;
if (mem_start != mem_end) {
ESP_LOGD(BT_LOG_TAG, "Release %s [0x%08x] - [0x%08x], len %d", area1->name, mem_start, mem_end, mem_end - mem_start);
ret = try_heap_caps_add_region(mem_start, mem_end);
}
static esp_err_t esp_bt_mem_release_areas(const bt_area_t *area1, const bt_area_t *area2)
{
esp_err_t ret = ESP_OK;
if (area1->end == area2->start) {
bt_area_t merged_area = {
.start = area1->start,
.end = area2->end,
.name = area1->name
};
ret = esp_bt_mem_release_area(&merged_area);
} else {
mem_start = area1->start;
mem_end = area1->end;
if (mem_start != mem_end) {
ESP_LOGD(BT_LOG_TAG, "Release %s [0x%08x] - [0x%08x], len %d", area1->name, mem_start, mem_end, mem_end - mem_start);
ret = try_heap_caps_add_region(mem_start, mem_end);
}
mem_start = area2->start;
mem_end = area2->end;
if (ret == ESP_OK && mem_start != mem_end) {
ESP_LOGD(BT_LOG_TAG, "Release %s [0x%08x] - [0x%08x], len %d", area2->name, mem_start, mem_end, mem_end - mem_start);
ret = try_heap_caps_add_region(mem_start, mem_end);
}
esp_bt_mem_release_area(area1);
ret = esp_bt_mem_release_area(area2);
}
return ret;
}
esp_err_t esp_bt_controller_mem_release(esp_bt_mode_t mode)
esp_err_t esp_bt_controller_rom_mem_release(esp_bt_mode_t mode)
{
esp_err_t ret = ESP_OK;
if (btdm_controller_status != ESP_BT_CONTROLLER_STATUS_IDLE) {
return ESP_ERR_INVALID_STATE;
}
bt_area_t rom_btdm_data = {
.start = (intptr_t) ets_rom_layout_p->data_start_btdm,
.end = (intptr_t) ets_rom_layout_p->data_end_btdm,
@ -1004,7 +1007,6 @@ esp_err_t esp_bt_controller_mem_release(esp_bt_mode_t mode)
.name = "ROM interface btdm BSS",
};
if (btdm_controller_status != ESP_BT_CONTROLLER_STATUS_IDLE) {
ret = ESP_ERR_INVALID_STATE;
}
@ -1023,9 +1025,48 @@ esp_err_t esp_bt_controller_mem_release(esp_bt_mode_t mode)
return ret;
}
esp_err_t esp_bt_controller_mem_release(esp_bt_mode_t mode)
{
esp_err_t ret = ESP_OK;
if (btdm_controller_status != ESP_BT_CONTROLLER_STATUS_IDLE) {
return ESP_ERR_INVALID_STATE;
}
bt_area_t cont_bss = {
.start = (intptr_t)&_bt_controller_bss_start,
.end = (intptr_t)&_bt_controller_bss_end,
.name = "BT Controller BSS",
};
bt_area_t cont_data = {
.start = (intptr_t)&_bt_controller_data_start,
.end = (intptr_t)&_bt_controller_data_end,
.name = "BT Controller Data"
};
if (mode & ESP_BT_MODE_BLE) {
/* free data and BSS section for libbtdm_app.a */
if (ret == ESP_OK) {
ret = esp_bt_mem_release_areas(&cont_data, &cont_bss);
}
/* free data and BSS section for Bluetooth controller ROM code */
if (ret == ESP_OK) {
ret = esp_bt_controller_rom_mem_release(mode);
}
}
return ret;
}
esp_err_t esp_bt_mem_release(esp_bt_mode_t mode)
{
esp_err_t ret = ESP_OK;
if (btdm_controller_status != ESP_BT_CONTROLLER_STATUS_IDLE) {
return ESP_ERR_INVALID_STATE;
}
bt_area_t bss = {
.start = (intptr_t)&_bt_bss_start,
.end = (intptr_t)&_bt_bss_end,
@ -1047,8 +1088,6 @@ esp_err_t esp_bt_mem_release(esp_bt_mode_t mode)
.name = "BT Controller Data"
};
ret = esp_bt_controller_mem_release(mode);
if (mode & ESP_BT_MODE_BLE) {
/* Start by freeing Bluetooth BSS section */
if (ret == ESP_OK) {
@ -1059,6 +1098,11 @@ esp_err_t esp_bt_mem_release(esp_bt_mode_t mode)
if (ret == ESP_OK) {
ret = esp_bt_mem_release_areas(&data, &cont_data);
}
/* free data and BSS section for Bluetooth controller ROM code */
if (ret == ESP_OK) {
ret = esp_bt_controller_rom_mem_release(mode);
}
}
return ret;

52
components/bt/controller/esp32c6/bt.c
View File

@ -991,43 +991,45 @@ typedef struct {
const char* name;
} bt_area_t;
static esp_err_t esp_bt_mem_release_areas(const bt_area_t* area1, const bt_area_t* area2)
static esp_err_t esp_bt_mem_release_area(const bt_area_t *area)
{
esp_err_t ret = ESP_OK;
intptr_t mem_start = 0;
intptr_t mem_end = 0;
intptr_t mem_start = area->start;
intptr_t mem_end = area->end;
if (mem_start != mem_end) {
ESP_LOGD(NIMBLE_PORT_LOG_TAG, "Release %s [0x%08x] - [0x%08x], len %d", area->name, mem_start, mem_end, mem_end - mem_start);
ret = try_heap_caps_add_region(mem_start, mem_end);
}
return ret;
}
if(area1->end == area2->start) {
mem_start = area1->start;
mem_end = area2->end;
if (mem_start != mem_end) {
ESP_LOGD(NIMBLE_PORT_LOG_TAG, "Release %s [0x%08x] - [0x%08x], len %d", area1->name, mem_start, mem_end, mem_end - mem_start);
ret = try_heap_caps_add_region(mem_start, mem_end);
}
static esp_err_t esp_bt_mem_release_areas(const bt_area_t *area1, const bt_area_t *area2)
{
esp_err_t ret = ESP_OK;
if (area1->end == area2->start) {
bt_area_t merged_area = {
.start = area1->start,
.end = area2->end,
.name = area1->name
};
ret = esp_bt_mem_release_area(&merged_area);
} else {
mem_start = area1->start;
mem_end = area1->end;
if (mem_start != mem_end) {
ESP_LOGD(NIMBLE_PORT_LOG_TAG, "Release %s [0x%08x] - [0x%08x], len %d", area1->name, mem_start, mem_end, mem_end - mem_start);
ret = try_heap_caps_add_region(mem_start, mem_end);
}
mem_start = area2->start;
mem_end = area2->end;
if (ret == ESP_OK && mem_start != mem_end) {
ESP_LOGD(NIMBLE_PORT_LOG_TAG, "Release %s [0x%08x] - [0x%08x], len %d", area2->name, mem_start, mem_end, mem_end - mem_start);
ret = try_heap_caps_add_region(mem_start, mem_end);
}
esp_bt_mem_release_area(area1);
ret = esp_bt_mem_release_area(area2);
}
return ret;
}
esp_err_t esp_bt_mem_release(esp_bt_mode_t mode)
{
esp_err_t ret = ESP_OK;
if (ble_controller_status != ESP_BT_CONTROLLER_STATUS_IDLE) {
return ESP_ERR_INVALID_STATE;
}
bt_area_t bss = {
.start = (intptr_t)&_bt_bss_start,
.end = (intptr_t)&_bt_bss_end,

50
components/bt/controller/esp32h2/bt.c
View File

@ -964,33 +964,32 @@ typedef struct {
const char* name;
} bt_area_t;
static esp_err_t esp_bt_mem_release_areas(const bt_area_t* area1, const bt_area_t* area2)
static esp_err_t esp_bt_mem_release_area(const bt_area_t *area)
{
esp_err_t ret = ESP_OK;
intptr_t mem_start = 0;
intptr_t mem_end = 0;
intptr_t mem_start = area->start;
intptr_t mem_end = area->end;
if (mem_start != mem_end) {
ESP_LOGD(NIMBLE_PORT_LOG_TAG, "Release %s [0x%08x] - [0x%08x], len %d", area->name, mem_start, mem_end, mem_end - mem_start);
ret = try_heap_caps_add_region(mem_start, mem_end);
}
return ret;
}
if(area1->end == area2->start) {
mem_start = area1->start;
mem_end = area2->end;
if (mem_start != mem_end) {
ESP_LOGD(NIMBLE_PORT_LOG_TAG, "Release %s [0x%08x] - [0x%08x], len %d", area1->name, mem_start, mem_end, mem_end - mem_start);
ret = try_heap_caps_add_region(mem_start, mem_end);
}
static esp_err_t esp_bt_mem_release_areas(const bt_area_t *area1, const bt_area_t *area2)
{
esp_err_t ret = ESP_OK;
if (area1->end == area2->start) {
bt_area_t merged_area = {
.start = area1->start,
.end = area2->end,
.name = area1->name
};
ret = esp_bt_mem_release_area(&merged_area);
} else {
mem_start = area1->start;
mem_end = area1->end;
if (mem_start != mem_end) {
ESP_LOGD(NIMBLE_PORT_LOG_TAG, "Release %s [0x%08x] - [0x%08x], len %d", area1->name, mem_start, mem_end, mem_end - mem_start);
ret = try_heap_caps_add_region(mem_start, mem_end);
}
mem_start = area2->start;
mem_end = area2->end;
if (ret == ESP_OK && mem_start != mem_end) {
ESP_LOGD(NIMBLE_PORT_LOG_TAG, "Release %s [0x%08x] - [0x%08x], len %d", area2->name, mem_start, mem_end, mem_end - mem_start);
ret = try_heap_caps_add_region(mem_start, mem_end);
}
esp_bt_mem_release_area(area1);
ret = esp_bt_mem_release_area(area2);
}
return ret;
@ -999,6 +998,11 @@ static esp_err_t esp_bt_mem_release_areas(const bt_area_t* area1, const bt_area_
esp_err_t esp_bt_mem_release(esp_bt_mode_t mode)
{
esp_err_t ret = ESP_OK;
if (ble_controller_status != ESP_BT_CONTROLLER_STATUS_IDLE) {
return ESP_ERR_INVALID_STATE;
}
bt_area_t bss = {
.start = (intptr_t)&_bt_bss_start,
.end = (intptr_t)&_bt_bss_end,

16
components/bt/linker_common.lf
View File

@ -6,7 +6,7 @@ entries:
entries:
COMMON
[scheme:bt_start_end]
[scheme:bt_default]
entries:
bt_bss -> dram0_bss
bt_common -> dram0_bss
@ -30,7 +30,13 @@ entries:
[mapping:bt]
archive: libbt.a
entries:
* (bt_start_end);
bt_bss -> dram0_bss ALIGN(4) ALIGN(4, post) SURROUND(bt_bss),
bt_common -> dram0_bss ALIGN(4) ALIGN(4, post) SURROUND(bt_common),
data -> dram0_data ALIGN(4) ALIGN(4, post) SURROUND(bt_data)
if ESP_ALLOW_BSS_SEG_EXTERNAL_MEMORY = y:
* (bt_extram_bss);
bt_bss -> extern_ram ALIGN(4) ALIGN(4, post) SURROUND(bt_bss),
bt_common -> extern_ram ALIGN(4) ALIGN(4, post) SURROUND(bt_common),
data -> dram0_data ALIGN(4) ALIGN(4, post) SURROUND(bt_data)
else:
* (bt_default);
bt_bss -> dram0_bss ALIGN(4) ALIGN(4, post) SURROUND(bt_bss),
bt_common -> dram0_bss ALIGN(4) ALIGN(4, post) SURROUND(bt_common),
data -> dram0_data ALIGN(4) ALIGN(4, post) SURROUND(bt_data)

16
components/bt/linker_common_esp32c2.lf → components/bt/linker_esp32c2.lf
View File

@ -1,4 +1,4 @@
[sections:bt_text]
[sections:bt_iram_text]
entries:
.iram1+
@ -17,9 +17,9 @@ entries:
entries:
COMMON
[scheme:bt_start_end]
[scheme:bt_default]
entries:
bt_text -> iram0_bt_text
bt_iram_text -> iram0_bt_text
bt_bss -> dram0_bt_bss
bt_common -> dram0_bt_bss
bt_data -> dram0_bt_data
@ -36,7 +36,15 @@ entries:
[mapping:bt]
archive: libbt.a
entries:
* (bt_start_end);
* (bt_default);
bt_bss -> dram0_bt_bss ALIGN(4) ALIGN(4, post) SURROUND(bt_bss),
bt_common -> dram0_bt_bss ALIGN(4) ALIGN(4, post) SURROUND(bt_common),
bt_data -> dram0_bt_data ALIGN(4) ALIGN(4, post) SURROUND(bt_data)
[mapping:ble_app]
archive: libble_app.a
entries:
* (bt_default);
bt_bss -> dram0_bt_bss ALIGN(4) ALIGN(4, post) SURROUND(bt_controller_bss),
bt_common -> dram0_bt_bss ALIGN(4) ALIGN(4, post) SURROUND(bt_controller_common),
bt_data -> dram0_bt_data ALIGN(4) ALIGN(4, post) SURROUND(bt_controller_data)

2
components/bt/linker_esp_ble_controller.lf
View File

@ -1,7 +1,7 @@
[mapping:ble_app]
archive: libble_app.a
entries:
* (bt_start_end);
* (bt_default);
bt_bss -> dram0_bss ALIGN(4) ALIGN(4, post) SURROUND(bt_controller_bss),
bt_common -> dram0_bss ALIGN(4) ALIGN(4, post) SURROUND(bt_controller_common),
data -> dram0_data ALIGN(4) ALIGN(4, post) SURROUND(bt_controller_data)

2
components/bt/linker_rw_bt_controller.lf
View File

@ -1,7 +1,7 @@
[mapping:btdm]
archive: libbtdm_app.a
entries:
* (bt_start_end);
* (bt_default);
bt_bss -> dram0_bss ALIGN(4) ALIGN(4, post) SURROUND(bt_controller_bss),
bt_common -> dram0_bss ALIGN(4) ALIGN(4, post) SURROUND(bt_controller_common),
data -> dram0_data ALIGN(4) ALIGN(4, post) SURROUND(bt_controller_data)