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components/bt: High level interrupt in bluetooth

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components/os: Move ETS_T1_WDT_INUM, ETS_CACHEERR_INUM and ETS_DPORT_INUM to l5 interrupt

components/os: high level interrupt(5)

components/os: hli_api: meta queue: fix out of bounds access, check for overflow

components/os: hli: don't spill registers, instead save them to a separate region

Level 4 interrupt has a chance of preempting a window overflow or underflow exception.
Therefore it is not possible to use standard context save functions,
as the SP on entry to Level 4 interrupt may be invalid (e.g. in WindowUnderflow4).

Instead, mask window overflows and save the entire general purpose register file,
plus some of the special registers.
Then clear WindowStart, allowing the C handler to execute without spilling the old windows.
On exit from the interrupt handler, do everything in reverse.

components/bt: using high level interrupt in lc

components/os: Add DRAM_ATTR to avoid feature `Allow .bss segment placed in external memory`

components/bt: optimize code structure

components/os: Modify the BT assert process to adapt to coredump and HLI

components/os: Disable exception mode after saving special registers

To store some registers first, avoid stuck due to live lock after disabling exception mode

components/os: using dport instead of AHB in BT to fix live lock

components/bt: Fix hli queue send error

components/bt: Fix CI fail

# Conflicts:
#	components/bt/CMakeLists.txt
#	components/bt/component.mk
#	components/bt/controller/bt.c
#	components/bt/controller/lib
#	components/esp_common/src/int_wdt.c
#	components/esp_system/port/soc/esp32/dport_panic_highint_hdl.S
#	components/soc/esp32/include/soc/soc.h
This commit is contained in:
baohongde
2021-09-01 21:55:50 +08:00
committed by bot
parent df1b524d07
commit d1db2df316
13 changed files with 1109 additions and 499 deletions
Download Patch File Download Diff File Expand all files Collapse all files

449
components/bt/controller/esp32/bt.c
View File

@@ -40,6 +40,7 @@
#include "driver/periph_ctrl.h"
#include "soc/rtc.h"
#include "soc/soc_memory_layout.h"
#include "soc/dport_reg.h"
#include "esp32/clk.h"
#include "esp_coexist_internal.h"
#if !CONFIG_FREERTOS_UNICORE
@@ -47,6 +48,7 @@
#endif
#include "esp_rom_sys.h"
#include "hli_api.h"
#if CONFIG_BT_ENABLED
@@ -54,6 +56,7 @@
************************************************************************
*/
#define UNUSED(x) (void)(x)
#define BTDM_LOG_TAG "BTDM_INIT"
#define BTDM_INIT_PERIOD (5000) /* ms */
@@ -92,14 +95,9 @@ do{\
} while(0)
#define OSI_FUNCS_TIME_BLOCKING 0xffffffff
#define OSI_VERSION 0x00010002
#define OSI_VERSION 0x00010003
#define OSI_MAGIC_VALUE 0xFADEBEAD
/* SPIRAM Configuration */
#if CONFIG_SPIRAM_USE_MALLOC
#define BTDM_MAX_QUEUE_NUM (5)
#endif
/* Types definition
************************************************************************
*/
@@ -117,15 +115,6 @@ typedef struct {
intptr_t end;
} btdm_dram_available_region_t;
/* PSRAM configuration */
#if CONFIG_SPIRAM_USE_MALLOC
typedef struct {
QueueHandle_t handle;
void *storage;
void *buffer;
} btdm_queue_item_t;
#endif
/* OSI function */
struct osi_funcs_t {
uint32_t _version;
@@ -184,6 +173,10 @@ struct osi_funcs_t {
void *(* _coex_schm_curr_phase_get)(void);
int (* _coex_wifi_channel_get)(uint8_t *primary, uint8_t *secondary);
int (* _coex_register_wifi_channel_change_callback)(void *cb);
xt_handler (*_set_isr_l3)(int n, xt_handler f, void *arg);
void (*_interrupt_l3_disable)(void);
void (*_interrupt_l3_restore)(void);
void *(* _customer_queue_create)(uint32_t queue_len, uint32_t item_size);
uint32_t _magic;
};
@@ -264,12 +257,10 @@ extern uint32_t _btdm_data_end;
/* Local Function Declare
*********************************************************************
*/
#if CONFIG_SPIRAM_USE_MALLOC
static bool btdm_queue_generic_register(const btdm_queue_item_t *queue);
static bool btdm_queue_generic_deregister(btdm_queue_item_t *queue);
#endif /* CONFIG_SPIRAM_USE_MALLOC */
static void IRAM_ATTR interrupt_disable(void);
static void IRAM_ATTR interrupt_restore(void);
static xt_handler set_isr_hlevel_wrapper(int n, xt_handler f, void *arg);
static void IRAM_ATTR interrupt_hlevel_disable(void);
static void IRAM_ATTR interrupt_hlevel_restore(void);
static void IRAM_ATTR task_yield(void);
static void IRAM_ATTR task_yield_from_isr(void);
static void *semphr_create_wrapper(uint32_t max, uint32_t init);
static void semphr_delete_wrapper(void *semphr);
@@ -281,12 +272,12 @@ static void *mutex_create_wrapper(void);
static void mutex_delete_wrapper(void *mutex);
static int32_t mutex_lock_wrapper(void *mutex);
static int32_t mutex_unlock_wrapper(void *mutex);
static void *queue_create_wrapper(uint32_t queue_len, uint32_t item_size);
static void queue_delete_wrapper(void *queue);
static int32_t queue_send_wrapper(void *queue, void *item, uint32_t block_time_ms);
static int32_t IRAM_ATTR queue_send_from_isr_wrapper(void *queue, void *item, void *hptw);
static int32_t queue_recv_wrapper(void *queue, void *item, uint32_t block_time_ms);
static int32_t IRAM_ATTR queue_recv_from_isr_wrapper(void *queue, void *item, void *hptw);
static void *queue_create_hlevel_wrapper(uint32_t queue_len, uint32_t item_size);
static void queue_delete_hlevel_wrapper(void *queue);
static int32_t IRAM_ATTR queue_send_hlevel_wrapper(void *queue, void *item, uint32_t block_time_ms);
static int32_t IRAM_ATTR queue_send_from_isr_hlevel_wrapper(void *queue, void *item, void *hptw);
static int32_t IRAM_ATTR queue_recv_hlevel_wrapper(void *queue, void *item, uint32_t block_time_ms);
static int32_t IRAM_ATTR queue_recv_from_isr_hlevel_wrapper(void *queue, void *item, void *hptw);
static int32_t task_create_wrapper(void *task_func, const char *name, uint32_t stack_depth, void *param, uint32_t prio, void *task_handle, uint32_t core_id);
static void task_delete_wrapper(void *task_handle);
static bool IRAM_ATTR is_in_isr_wrapper(void);
@@ -317,17 +308,21 @@ static uint8_t coex_schm_curr_period_get_wrapper(void);
static void * coex_schm_curr_phase_get_wrapper(void);
static int coex_wifi_channel_get_wrapper(uint8_t *primary, uint8_t *secondary);
static int coex_register_wifi_channel_change_callback_wrapper(void *cb);
static void *customer_queue_create_hlevel_wrapper(uint32_t queue_len, uint32_t item_size);
static void IRAM_ATTR interrupt_l3_disable(void);
static void IRAM_ATTR interrupt_l3_restore(void);
/* Local variable definition
***************************************************************************
*/
/* OSI funcs */
static const struct osi_funcs_t osi_funcs_ro = {
._version = OSI_VERSION,
._set_isr = xt_set_interrupt_handler,
._set_isr = set_isr_hlevel_wrapper,
._ints_on = xt_ints_on,
._interrupt_disable = interrupt_disable,
._interrupt_restore = interrupt_restore,
._task_yield = vPortYield,
._interrupt_disable = interrupt_hlevel_disable,
._interrupt_restore = interrupt_hlevel_restore,
._task_yield = task_yield,
._task_yield_from_isr = task_yield_from_isr,
._semphr_create = semphr_create_wrapper,
._semphr_delete = semphr_delete_wrapper,
@@ -339,12 +334,12 @@ static const struct osi_funcs_t osi_funcs_ro = {
._mutex_delete = mutex_delete_wrapper,
._mutex_lock = mutex_lock_wrapper,
._mutex_unlock = mutex_unlock_wrapper,
._queue_create = queue_create_wrapper,
._queue_delete = queue_delete_wrapper,
._queue_send = queue_send_wrapper,
._queue_send_from_isr = queue_send_from_isr_wrapper,
._queue_recv = queue_recv_wrapper,
._queue_recv_from_isr = queue_recv_from_isr_wrapper,
._queue_create = queue_create_hlevel_wrapper,
._queue_delete = queue_delete_hlevel_wrapper,
._queue_send = queue_send_hlevel_wrapper,
._queue_send_from_isr = queue_send_from_isr_hlevel_wrapper,
._queue_recv = queue_recv_hlevel_wrapper,
._queue_recv_from_isr = queue_recv_from_isr_hlevel_wrapper,
._task_create = task_create_wrapper,
._task_delete = task_delete_wrapper,
._is_in_isr = is_in_isr_wrapper,
@@ -378,6 +373,10 @@ static const struct osi_funcs_t osi_funcs_ro = {
._coex_schm_curr_phase_get = coex_schm_curr_phase_get_wrapper,
._coex_wifi_channel_get = coex_wifi_channel_get_wrapper,
._coex_register_wifi_channel_change_callback = coex_register_wifi_channel_change_callback_wrapper,
._set_isr_l3 = xt_set_interrupt_handler,
._interrupt_l3_disable = interrupt_l3_disable,
._interrupt_l3_restore = interrupt_l3_restore,
._customer_queue_create = customer_queue_create_hlevel_wrapper,
._magic = OSI_MAGIC_VALUE,
};
@@ -404,11 +403,6 @@ SOC_RESERVE_MEMORY_REGION(SOC_MEM_BT_DATA_START, SOC_MEM_BT_DATA_END,
static DRAM_ATTR struct osi_funcs_t *osi_funcs_p;
#if CONFIG_SPIRAM_USE_MALLOC
static DRAM_ATTR btdm_queue_item_t btdm_queue_table[BTDM_MAX_QUEUE_NUM];
static DRAM_ATTR SemaphoreHandle_t btdm_queue_table_mux = NULL;
#endif /* #if CONFIG_SPIRAM_USE_MALLOC */
/* Static variable declare */
// timestamp when PHY/RF was switched on
static DRAM_ATTR int64_t s_time_phy_rf_just_enabled = 0;
@@ -448,53 +442,45 @@ static inline void btdm_check_and_init_bb(void)
}
}
#if CONFIG_SPIRAM_USE_MALLOC
static bool btdm_queue_generic_register(const btdm_queue_item_t *queue)
{
if (!btdm_queue_table_mux || !queue) {
return NULL;
}
struct interrupt_hlevel_cb{
uint32_t status;
uint8_t nested;
};
bool ret = false;
btdm_queue_item_t *item;
xSemaphoreTake(btdm_queue_table_mux, portMAX_DELAY);
for (int i = 0; i < BTDM_MAX_QUEUE_NUM; ++i) {
item = &btdm_queue_table[i];
if (item->handle == NULL) {
memcpy(item, queue, sizeof(btdm_queue_item_t));
ret = true;
break;
}
static DRAM_ATTR struct interrupt_hlevel_cb hli_cb = {
.status = 0,
.nested = 0,
};
static xt_handler set_isr_hlevel_wrapper(int mask, xt_handler f, void *arg)
{
esp_err_t err = hli_intr_register((intr_handler_t) f, arg, DPORT_PRO_INTR_STATUS_0_REG, mask);
if (err == ESP_OK) {
return f;
} else {
return 0;
}
}
static void IRAM_ATTR interrupt_hlevel_disable(void)
{
assert(xPortGetCoreID() == CONFIG_BTDM_CTRL_PINNED_TO_CORE);
uint32_t status = hli_intr_disable();
if (hli_cb.nested++ == 0) {
hli_cb.status = status;
}
xSemaphoreGive(btdm_queue_table_mux);
return ret;
}
static bool btdm_queue_generic_deregister(btdm_queue_item_t *queue)
static void IRAM_ATTR interrupt_hlevel_restore(void)
{
if (!btdm_queue_table_mux || !queue) {
return false;
assert(xPortGetCoreID() == CONFIG_BTDM_CTRL_PINNED_TO_CORE);
assert(hli_cb.nested > 0);
if (--hli_cb.nested == 0) {
hli_intr_restore(hli_cb.status);
}
bool ret = false;
btdm_queue_item_t *item;
xSemaphoreTake(btdm_queue_table_mux, portMAX_DELAY);
for (int i = 0; i < BTDM_MAX_QUEUE_NUM; ++i) {
item = &btdm_queue_table[i];
if (item->handle == queue->handle) {
memcpy(queue, item, sizeof(btdm_queue_item_t));
memset(item, 0, sizeof(btdm_queue_item_t));
ret = true;
break;
}
}
xSemaphoreGive(btdm_queue_table_mux);
return ret;
}
#endif /* CONFIG_SPIRAM_USE_MALLOC */
static void IRAM_ATTR interrupt_disable(void)
static void IRAM_ATTR interrupt_l3_disable(void)
{
if (xPortInIsrContext()) {
portENTER_CRITICAL_ISR(&global_int_mux);
@@ -503,7 +489,7 @@ static void IRAM_ATTR interrupt_disable(void)
}
}
static void IRAM_ATTR interrupt_restore(void)
static void IRAM_ATTR interrupt_l3_restore(void)
{
if (xPortInIsrContext()) {
portEXIT_CRITICAL_ISR(&global_int_mux);
@@ -512,6 +498,12 @@ static void IRAM_ATTR interrupt_restore(void)
}
}
static void IRAM_ATTR task_yield(void)
{
vPortYield();
}
static void IRAM_ATTR task_yield_from_isr(void)
{
portYIELD_FROM_ISR();
@@ -519,148 +511,58 @@ static void IRAM_ATTR task_yield_from_isr(void)
static void *semphr_create_wrapper(uint32_t max, uint32_t init)
{
#if !CONFIG_SPIRAM_USE_MALLOC
return (void *)xSemaphoreCreateCounting(max, init);
#else
StaticQueue_t *queue_buffer = NULL;
QueueHandle_t handle = NULL;
queue_buffer = heap_caps_malloc(sizeof(StaticQueue_t), MALLOC_CAP_INTERNAL|MALLOC_CAP_8BIT);
if (!queue_buffer) {
goto error;
}
handle = xSemaphoreCreateCountingStatic(max, init, queue_buffer);
if (!handle) {
goto error;
}
btdm_queue_item_t item = {
.handle = handle,
.storage = NULL,
.buffer = queue_buffer,
};
if (!btdm_queue_generic_register(&item)) {
goto error;
}
return handle;
error:
if (handle) {
vSemaphoreDelete(handle);
}
if (queue_buffer) {
free(queue_buffer);
}
return NULL;
#endif
SemaphoreHandle_t downstream_semaphore = xSemaphoreCreateCounting(max, init);
assert(downstream_semaphore);
hli_queue_handle_t s_semaphore = hli_semaphore_create(max, downstream_semaphore);
assert(downstream_semaphore);
return s_semaphore;
}
static void semphr_delete_wrapper(void *semphr)
{
#if !CONFIG_SPIRAM_USE_MALLOC
vSemaphoreDelete(semphr);
#else
btdm_queue_item_t item = {
.handle = semphr,
.storage = NULL,
.buffer = NULL,
};
if (((hli_queue_handle_t)semphr)->downstream != NULL) {
vSemaphoreDelete(((hli_queue_handle_t)semphr)->downstream);
}
if (btdm_queue_generic_deregister(&item)) {
vSemaphoreDelete(item.handle);
free(item.buffer);
}
return;
#endif
hli_queue_delete(semphr);
}
static int32_t IRAM_ATTR semphr_take_from_isr_wrapper(void *semphr, void *hptw)
{
return (int32_t)xSemaphoreTakeFromISR(semphr, hptw);
return (int32_t)xSemaphoreTakeFromISR(((hli_queue_handle_t)semphr)->downstream, hptw);
}
static int32_t IRAM_ATTR semphr_give_from_isr_wrapper(void *semphr, void *hptw)
{
return (int32_t)xSemaphoreGiveFromISR(semphr, hptw);
UNUSED(hptw);
assert(xPortGetCoreID() == CONFIG_BTDM_CTRL_PINNED_TO_CORE);
return hli_semaphore_give(semphr);
}
static int32_t semphr_take_wrapper(void *semphr, uint32_t block_time_ms)
{
bool ret;
if (block_time_ms == OSI_FUNCS_TIME_BLOCKING) {
return (int32_t)xSemaphoreTake(semphr, portMAX_DELAY);
ret = xSemaphoreTake(((hli_queue_handle_t)semphr)->downstream, portMAX_DELAY);
} else {
return (int32_t)xSemaphoreTake(semphr, block_time_ms / portTICK_PERIOD_MS);
ret = xSemaphoreTake(((hli_queue_handle_t)semphr)->downstream, block_time_ms / portTICK_PERIOD_MS);
}
return (int32_t)ret;
}
static int32_t semphr_give_wrapper(void *semphr)
{
return (int32_t)xSemaphoreGive(semphr);
return (int32_t)xSemaphoreGive(((hli_queue_handle_t)semphr)->downstream);
}
static void *mutex_create_wrapper(void)
{
#if CONFIG_SPIRAM_USE_MALLOC
StaticQueue_t *queue_buffer = NULL;
QueueHandle_t handle = NULL;
queue_buffer = heap_caps_malloc(sizeof(StaticQueue_t), MALLOC_CAP_INTERNAL|MALLOC_CAP_8BIT);
if (!queue_buffer) {
goto error;
}
handle = xSemaphoreCreateMutexStatic(queue_buffer);
if (!handle) {
goto error;
}
btdm_queue_item_t item = {
.handle = handle,
.storage = NULL,
.buffer = queue_buffer,
};
if (!btdm_queue_generic_register(&item)) {
goto error;
}
return handle;
error:
if (handle) {
vSemaphoreDelete(handle);
}
if (queue_buffer) {
free(queue_buffer);
}
return NULL;
#else
return (void *)xSemaphoreCreateMutex();
#endif
}
static void mutex_delete_wrapper(void *mutex)
{
#if !CONFIG_SPIRAM_USE_MALLOC
vSemaphoreDelete(mutex);
#else
btdm_queue_item_t item = {
.handle = mutex,
.storage = NULL,
.buffer = NULL,
};
if (btdm_queue_generic_deregister(&item)) {
vSemaphoreDelete(item.handle);
free(item.buffer);
}
return;
#endif
}
static int32_t mutex_lock_wrapper(void *mutex)
@@ -673,104 +575,74 @@ static int32_t mutex_unlock_wrapper(void *mutex)
return (int32_t)xSemaphoreGive(mutex);
}
static void *queue_create_wrapper(uint32_t queue_len, uint32_t item_size)
static void *queue_create_hlevel_wrapper(uint32_t queue_len, uint32_t item_size)
{
#if CONFIG_SPIRAM_USE_MALLOC
StaticQueue_t *queue_buffer = NULL;
uint8_t *queue_storage = NULL;
QueueHandle_t handle = NULL;
queue_buffer = heap_caps_malloc(sizeof(StaticQueue_t), MALLOC_CAP_INTERNAL|MALLOC_CAP_8BIT);
if (!queue_buffer) {
goto error;
}
queue_storage = heap_caps_malloc((queue_len*item_size), MALLOC_CAP_INTERNAL|MALLOC_CAP_8BIT);
if (!queue_storage ) {
goto error;
}
handle = xQueueCreateStatic(queue_len, item_size, queue_storage, queue_buffer);
if (!handle) {
goto error;
}
btdm_queue_item_t item = {
.handle = handle,
.storage = queue_storage,
.buffer = queue_buffer,
};
if (!btdm_queue_generic_register(&item)) {
goto error;
}
return handle;
error:
if (handle) {
vQueueDelete(handle);
}
if (queue_storage) {
free(queue_storage);
}
if (queue_buffer) {
free(queue_buffer);
}
return NULL;
#else
return (void *)xQueueCreate(queue_len, item_size);
#endif
QueueHandle_t downstream_queue = xQueueCreate(queue_len, item_size);
assert(downstream_queue);
hli_queue_handle_t queue = hli_queue_create(queue_len, item_size, downstream_queue);
assert(queue);
return queue;
}
static void queue_delete_wrapper(void *queue)
static void *customer_queue_create_hlevel_wrapper(uint32_t queue_len, uint32_t item_size)
{
#if !CONFIG_SPIRAM_USE_MALLOC
vQueueDelete(queue);
#else
btdm_queue_item_t item = {
.handle = queue,
.storage = NULL,
.buffer = NULL,
};
if (btdm_queue_generic_deregister(&item)) {
vQueueDelete(item.handle);
free(item.storage);
free(item.buffer);
}
return;
#endif
QueueHandle_t downstream_queue = xQueueCreate(queue_len, item_size);
assert(downstream_queue);
hli_queue_handle_t queue = hli_customer_queue_create(queue_len, item_size, downstream_queue);
assert(queue);
return queue;
}
static int32_t queue_send_wrapper(void *queue, void *item, uint32_t block_time_ms)
static void queue_delete_hlevel_wrapper(void *queue)
{
if (((hli_queue_handle_t)queue)->downstream != NULL) {
vQueueDelete(((hli_queue_handle_t)queue)->downstream);
}
hli_queue_delete(queue);
}
static int32_t queue_send_hlevel_wrapper(void *queue, void *item, uint32_t block_time_ms)
{
if (block_time_ms == OSI_FUNCS_TIME_BLOCKING) {
return (int32_t)xQueueSend(queue, item, portMAX_DELAY);
return (int32_t)xQueueSend(((hli_queue_handle_t)queue)->downstream, item, portMAX_DELAY);
} else {
return (int32_t)xQueueSend(queue, item, block_time_ms / portTICK_PERIOD_MS);
return (int32_t)xQueueSend(((hli_queue_handle_t)queue)->downstream, item, block_time_ms / portTICK_PERIOD_MS);
}
}
static int32_t IRAM_ATTR queue_send_from_isr_wrapper(void *queue, void *item, void *hptw)
/**
* Queue send from isr
* @param queue The queue which will send to
* @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.
* 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.
*/
static int32_t IRAM_ATTR queue_send_from_isr_hlevel_wrapper(void *queue, void *item, void *hptw)
{
return (int32_t)xQueueSendFromISR(queue, item, hptw);
UNUSED(hptw);
assert(xPortGetCoreID() == CONFIG_BTDM_CTRL_PINNED_TO_CORE);
return hli_queue_put(queue, item);
}
static int32_t queue_recv_wrapper(void *queue, void *item, uint32_t block_time_ms)
static int32_t queue_recv_hlevel_wrapper(void *queue, void *item, uint32_t block_time_ms)
{
bool ret;
if (block_time_ms == OSI_FUNCS_TIME_BLOCKING) {
return (int32_t)xQueueReceive(queue, item, portMAX_DELAY);
ret = (int32_t)xQueueReceive(((hli_queue_handle_t)queue)->downstream, item, portMAX_DELAY);
} else {
return (int32_t)xQueueReceive(queue, item, block_time_ms / portTICK_PERIOD_MS);
ret =(int32_t)xQueueReceive(((hli_queue_handle_t)queue)->downstream, item, block_time_ms / portTICK_PERIOD_MS);
}
return ret;
}
static int32_t IRAM_ATTR queue_recv_from_isr_wrapper(void *queue, void *item, void *hptw)
static int32_t IRAM_ATTR queue_recv_from_isr_hlevel_wrapper(void *queue, void *item, void *hptw)
{
return (int32_t)xQueueReceiveFromISR(queue, item, hptw);
return (int32_t)xQueueReceiveFromISR(((hli_queue_handle_t)queue)->downstream, item, hptw);
}
static int32_t task_create_wrapper(void *task_func, const char *name, uint32_t stack_depth, void *param, uint32_t prio, void *task_handle, uint32_t core_id)
@@ -1317,11 +1189,31 @@ esp_err_t esp_bt_mem_release(esp_bt_mode_t mode)
return ESP_OK;
}
static void hli_queue_setup_cb(void* arg)
{
hli_queue_setup();
}
static void hli_queue_setup_pinned_to_core(int core_id)
{
#if CONFIG_FREERTOS_UNICORE
hli_queue_setup_cb(NULL);
#else /* CONFIG_FREERTOS_UNICORE */
if (xPortGetCoreID() == core_id) {
hli_queue_setup_cb(NULL);
} else {
esp_ipc_call(core_id, hli_queue_setup_cb, NULL);
}
#endif /* !CONFIG_FREERTOS_UNICORE */
}
esp_err_t esp_bt_controller_init(esp_bt_controller_config_t *cfg)
{
esp_err_t err;
uint32_t btdm_cfg_mask = 0;
hli_queue_setup_pinned_to_core(CONFIG_BTDM_CTRL_PINNED_TO_CORE);
//if all the bt available memory was already released, cannot initialize bluetooth controller
if (btdm_dram_available_region[0].mode == ESP_BT_MODE_IDLE) {
return ESP_ERR_INVALID_STATE;
@@ -1362,14 +1254,6 @@ esp_err_t esp_bt_controller_init(esp_bt_controller_config_t *cfg)
ESP_LOGI(BTDM_LOG_TAG, "BT controller compile version [%s]", btdm_controller_get_compile_version());
#if CONFIG_SPIRAM_USE_MALLOC
btdm_queue_table_mux = xSemaphoreCreateMutex();
if (btdm_queue_table_mux == NULL) {
return ESP_ERR_NO_MEM;
}
memset(btdm_queue_table, 0, sizeof(btdm_queue_item_t) * BTDM_MAX_QUEUE_NUM);
#endif
s_wakeup_req_sem = semphr_create_wrapper(1, 0);
if (s_wakeup_req_sem == NULL) {
err = ESP_ERR_NO_MEM;
@@ -1515,12 +1399,6 @@ esp_err_t esp_bt_controller_deinit(void)
semphr_delete_wrapper(s_wakeup_req_sem);
s_wakeup_req_sem = NULL;
#if CONFIG_SPIRAM_USE_MALLOC
vSemaphoreDelete(btdm_queue_table_mux);
btdm_queue_table_mux = NULL;
memset(btdm_queue_table, 0, sizeof(btdm_queue_item_t) * BTDM_MAX_QUEUE_NUM);
#endif
free(osi_funcs_p);
osi_funcs_p = NULL;
@@ -1736,4 +1614,15 @@ esp_err_t esp_ble_scan_dupilcate_list_flush(void)
return ESP_OK;
}
/**
* This function re-write controller's function,
* As coredump can not show paramerters in function which is in a .a file.
*
* After coredump fixing this issue, just delete this function.
*/
void IRAM_ATTR r_assert(const char *condition, int param0, int param1, const char *file, int line)
{
__asm__ __volatile__("ill\n");
}
#endif /* CONFIG_BT_ENABLED */

294
components/bt/controller/esp32/hli_api.c Normal file
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@@ -0,0 +1,294 @@
// Copyright 2020 Espressif Systems (Shanghai) PTE LTD
// All rights reserved.
#include <string.h>
#include "esp_log.h"
#include "esp_heap_caps.h"
#include "xtensa/core-macros.h"
#include "soc/dport_reg.h"
#include "hli_api.h"
#include "freertos/FreeRTOS.h"
#include "freertos/queue.h"
#define HLI_MAX_HANDLERS 4
typedef struct {
intr_handler_t handler;
void* arg;
uint32_t intr_reg;
uint32_t intr_mask;
} hli_handler_info_t;
typedef struct {
#define CUSTOMER_TYPE_REQUEST (0)
#define CUSTOMER_TYPE_RELEASE (1)
struct {
uint32_t cb_type;
union {
int (* request)(uint32_t, uint32_t, uint32_t);
int (* release)(uint32_t);
} cb;
} customer_cb;
uint32_t arg0, arg1, arg2;
} customer_swisr_t;
static void IRAM_ATTR customer_swisr_handle(customer_swisr_t *cus_swisr)
{
if (cus_swisr->customer_cb.cb_type == CUSTOMER_TYPE_REQUEST) {
if (cus_swisr->customer_cb.cb.request != NULL) {
cus_swisr->customer_cb.cb.request(cus_swisr->arg0, cus_swisr->arg1, cus_swisr->arg2);
}
} else if(cus_swisr->customer_cb.cb_type == CUSTOMER_TYPE_RELEASE) {
if (cus_swisr->customer_cb.cb.release != NULL) {
cus_swisr->customer_cb.cb.release(cus_swisr->arg0);
}
}
}
static DRAM_ATTR hli_handler_info_t s_hli_handlers[HLI_MAX_HANDLERS];
// static const char* TAG = "hli_queue";
esp_err_t hli_intr_register(intr_handler_t handler, void* arg, uint32_t intr_reg, uint32_t intr_mask)
{
for (hli_handler_info_t* hip = s_hli_handlers;
hip < s_hli_handlers + HLI_MAX_HANDLERS;
++hip) {
if (hip->handler == NULL) {
hip->arg = arg;
hip->intr_reg = intr_reg;
hip->intr_mask = intr_mask;
hip->handler = handler; /* set last, indicates the entry as valid */
return ESP_OK;
}
}
return ESP_ERR_NO_MEM;
}
void IRAM_ATTR hli_c_handler(void)
{
bool handled = false;
/* Iterate over registered interrupt handlers,
* and check if the expected mask is present in the interrupt status register.
*/
for (hli_handler_info_t* hip = s_hli_handlers;
hip < s_hli_handlers + HLI_MAX_HANDLERS;
++hip) {
if (hip->handler == NULL) {
continue;
}
uint32_t reg = hip->intr_reg;
uint32_t val;
if (reg == 0) { /* special case for CPU internal interrupts */
val = XTHAL_GET_INTERRUPT();
} else {
/* "reg" might not be in DPORT, but this will work in any case */
val = DPORT_REG_READ(reg);
}
if ((val & hip->intr_mask) != 0) {
handled = true;
(*hip->handler)(hip->arg);
}
}
if (!handled) {
// esp_rom_printf(DRAM_STR("hli_c_handler: no handler found!\n"));
// abort();
}
}
uint32_t IRAM_ATTR hli_intr_disable(void)
{
// disable level 4 and below
return XTOS_SET_INTLEVEL(XCHAL_DEBUGLEVEL - 2);
}
void IRAM_ATTR hli_intr_restore(uint32_t state)
{
XTOS_RESTORE_JUST_INTLEVEL(state);
}
#define HLI_META_QUEUE_SIZE 16
#define HLI_QUEUE_MAX_ELEM_SIZE 32
#define HLI_QUEUE_SW_INT_NUM 29
#define HLI_QUEUE_FLAG_SEMAPHORE BIT(0)
#define HLI_QUEUE_FLAG_CUSTOMER BIT(1)
static DRAM_ATTR struct hli_queue_t *s_meta_queue_ptr = NULL;
intr_handle_t ret_handle;
static inline char* IRAM_ATTR wrap_ptr(hli_queue_handle_t queue, char *ptr)
{
return (ptr == queue->bufend) ? queue->buf : ptr;
}
static inline bool IRAM_ATTR queue_empty(hli_queue_handle_t queue)
{
return queue->begin == queue->end;
}
static inline bool IRAM_ATTR queue_full(hli_queue_handle_t queue)
{
return wrap_ptr(queue, queue->end + queue->elem_size) == queue->begin;
}
static void IRAM_ATTR queue_isr_handler(void* arg)
{
int do_yield = pdFALSE;
XTHAL_SET_INTCLEAR(BIT(HLI_QUEUE_SW_INT_NUM));
hli_queue_handle_t queue;
while (hli_queue_get(s_meta_queue_ptr, &queue)) {
static DRAM_ATTR char scratch[HLI_QUEUE_MAX_ELEM_SIZE];
while (hli_queue_get(queue, scratch)) {
int res = pdPASS;
if ((queue->flags & HLI_QUEUE_FLAG_CUSTOMER) != 0) {
customer_swisr_handle((customer_swisr_t *)scratch);
} else if ((queue->flags & HLI_QUEUE_FLAG_SEMAPHORE) != 0) {
res = xSemaphoreGiveFromISR((SemaphoreHandle_t) queue->downstream, &do_yield);
} else {
res = xQueueSendFromISR(queue->downstream, scratch, &do_yield);
}
if (res == pdFAIL) {
// ESP_EARLY_LOGE(TAG, "Failed to send to %s %p", (queue->flags & HLI_QUEUE_FLAG_SEMAPHORE) == 0 ? "queue" : "semaphore", queue->downstream);
}
}
}
if (do_yield) {
portYIELD_FROM_ISR();
}
}
/* Notify the level 3 handler that an element is added to the given hli queue.
* Do this by placing the queue handle onto s_meta_queue, and raising a SW interrupt.
*
* This function must be called with HL interrupts disabled!
*/
static void IRAM_ATTR queue_signal(hli_queue_handle_t queue)
{
/* See if the queue is already in s_meta_queue, before adding */
bool found = false;
const hli_queue_handle_t *end = (hli_queue_handle_t*) s_meta_queue_ptr->end;
hli_queue_handle_t *item = (hli_queue_handle_t*) s_meta_queue_ptr->begin;
for (;item != end; item = (hli_queue_handle_t*) wrap_ptr(s_meta_queue_ptr, (char*) (item + 1))) {
if (*item == queue) {
found = true;
break;
}
}
if (!found) {
bool res = hli_queue_put(s_meta_queue_ptr, &queue);
if (!res) {
esp_rom_printf(DRAM_STR("Fatal error in queue_signal: s_meta_queue full\n"));
abort();
}
XTHAL_SET_INTSET(BIT(HLI_QUEUE_SW_INT_NUM));
}
}
static void queue_init(hli_queue_handle_t queue, size_t buf_size, size_t elem_size, QueueHandle_t downstream)
{
queue->elem_size = elem_size;
queue->begin = queue->buf;
queue->end = queue->buf;
queue->bufend = queue->buf + buf_size;
queue->downstream = downstream;
queue->flags = 0;
}
void hli_queue_setup(void)
{
if (s_meta_queue_ptr == NULL) {
s_meta_queue_ptr = hli_queue_create(HLI_META_QUEUE_SIZE, sizeof(void*), NULL);
ESP_ERROR_CHECK(esp_intr_alloc(ETS_INTERNAL_SW1_INTR_SOURCE, ESP_INTR_FLAG_IRAM, queue_isr_handler, NULL, &ret_handle));
xt_ints_on(BIT(HLI_QUEUE_SW_INT_NUM));
}
}
void hli_queue_shutdown(void)
{
if (s_meta_queue_ptr != NULL) {
hli_queue_delete(s_meta_queue_ptr);
s_meta_queue_ptr = NULL;
esp_intr_free(ret_handle);
xt_ints_off(BIT(HLI_QUEUE_SW_INT_NUM));
}
}
hli_queue_handle_t hli_queue_create(size_t nelem, size_t elem_size, QueueHandle_t downstream)
{
const size_t buf_elem = nelem + 1;
if (elem_size > HLI_QUEUE_MAX_ELEM_SIZE) {
return NULL;
}
size_t buf_size = buf_elem * elem_size;
hli_queue_handle_t res = (hli_queue_handle_t) heap_caps_malloc(sizeof(*res) + buf_size,
MALLOC_CAP_INTERNAL|MALLOC_CAP_8BIT);
if (res == NULL) {
return NULL;
}
queue_init(res, buf_size, elem_size, downstream);
return res;
}
hli_queue_handle_t hli_customer_queue_create(size_t nelem, size_t elem_size, QueueHandle_t downstream)
{
hli_queue_handle_t res = hli_queue_create(nelem, elem_size, (QueueHandle_t) downstream);
if (res == NULL) {
return NULL;
}
res->flags |= HLI_QUEUE_FLAG_CUSTOMER;
return res;
}
hli_queue_handle_t hli_semaphore_create(size_t max_count, SemaphoreHandle_t downstream)
{
const size_t elem_size = 1;
hli_queue_handle_t res = hli_queue_create(max_count, elem_size, (QueueHandle_t) downstream);
if (res == NULL) {
return NULL;
}
res->flags |= HLI_QUEUE_FLAG_SEMAPHORE;
return res;
}
void hli_queue_delete(hli_queue_handle_t queue)
{
free(queue);
}
bool IRAM_ATTR hli_queue_get(hli_queue_handle_t queue, void* out)
{
uint32_t int_state = hli_intr_disable();
bool res = false;
if (!queue_empty(queue)) {
memcpy(out, queue->begin, queue->elem_size);
queue->begin = wrap_ptr(queue, queue->begin + queue->elem_size);
res = true;
}
hli_intr_restore(int_state);
return res;
}
bool IRAM_ATTR hli_queue_put(hli_queue_handle_t queue, const void* data)
{
uint32_t int_state = hli_intr_disable();
bool res = false;
bool was_empty = queue_empty(queue);
if (!queue_full(queue)) {
memcpy(queue->end, data, queue->elem_size);
queue->end = wrap_ptr(queue, queue->end + queue->elem_size);
if (was_empty && queue != s_meta_queue_ptr) {
queue_signal(queue);
}
res = true;
}
hli_intr_restore(int_state);
return res;
}
bool IRAM_ATTR hli_semaphore_give(hli_queue_handle_t queue)
{
uint8_t data = 0;
return hli_queue_put(queue, &data);
}

160
components/bt/controller/esp32/hli_api.h Normal file
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@@ -0,0 +1,160 @@
// Copyright 2020 Espressif Systems (Shanghai) PTE LTD
// All rights reserved.
#pragma once
#ifdef __cplusplus
extern "C" {
#endif
#include <stdint.h>
#include "esp_err.h"
#include "esp_intr_alloc.h"
#include "freertos/FreeRTOS.h"
#include "freertos/queue.h"
#include "freertos/semphr.h"
/*** Queues ***/
struct hli_queue_t
{
size_t elem_size;
char* begin;
char* end;
const char* bufend;
QueueHandle_t downstream;
int flags;
char buf[0];
};
/**
* @brief Register a high level interrupt function
*
* @param handler interrupt handler function
* @param arg argument to pass to the interrupt handler
* @param intr_reg address of the peripheral register containing the interrupt status,
* or value 0 to get the status from CPU INTERRUPT register
* @param intr_mask mask of the interrupt, in the interrupt status register
* @return
* - ESP_OK on success
* - ESP_ERR_NO_MEM if too many handlers are registered
*/
esp_err_t hli_intr_register(intr_handler_t handler, void* arg, uint32_t intr_reg, uint32_t intr_mask);
/**
* @brief Mask all interrupts (including high level ones) on the current CPU
*
* @return uint32_t interrupt status, pass it to hli_intr_restore
*/
uint32_t hli_intr_disable(void);
/**
* @brief Re-enable interrupts
*
* @param state value returned by hli_intr_disable
*/
void hli_intr_restore(uint32_t state);
/**
* @brief Type of a hli queue
*/
typedef struct hli_queue_t* hli_queue_handle_t;
/**
* @brief Initialize hli_queue module. Must be called once before using hli queue APIs.
*/
void hli_queue_setup(void);
/**
* @brief Shutdown hli_queue module.
*/
void hli_queue_shutdown(void);
/**
* @brief Create a hli queue, wrapping a FreeRTOS queue
*
* This queue can be used from high level interrupts,
* but **ONLY ON THE CPU WHERE hli_queue_setup WAS CALLED**. Values sent to this
* queue are automatically forwarded to "downstream" FreeRTOS queue using a level 3
* software interrupt.
*
* @param nelem number of elements in the queue
* @param elem_size size of one element; must match element size of a downstream queue
* @param downstream FreeRTOS queue to send the values to
* @return hli_queue_handle_t handle of the created queue, or NULL on failure
*/
hli_queue_handle_t hli_queue_create(size_t nelem, size_t elem_size, QueueHandle_t downstream);
/**
* @brief Create a customer hli queue, wrapping a FreeRTOS queue
*
* This queue can be used from high level interrupts,
* but **ONLY ON THE CPU WHERE hli_queue_setup WAS CALLED**. Values sent to this
* queue are automatically forwarded to "downstream" FreeRTOS queue using a level 3
* software interrupt.
*
* @param nelem number of elements in the queue
* @param elem_size size of one element; must match element size of a downstream queue
* @param downstream FreeRTOS queue to send the values to
* @return hli_queue_handle_t handle of the created queue, or NULL on failure
*/
hli_queue_handle_t hli_customer_queue_create(size_t nelem, size_t elem_size, QueueHandle_t downstream);
/**
* @brief Create a hli queue, wrapping a FreeRTOS semaphore
*
* See notes on hli_queue_create.
*
* @param max_count maximum semaphore count
* @param downstream FreeRTOS semaphore to forward the calls to
* @return hli_queue_handle_t handle of the created queue, or NULL on failure
*/
hli_queue_handle_t hli_semaphore_create(size_t max_count, SemaphoreHandle_t downstream);
/**
* @brief Delete a hli queue
*
* Make sure noone is using the queue before deleting it.
*
* @param queue handle returned by hli_queue_create or hli_semaphore_create
*/
void hli_queue_delete(hli_queue_handle_t queue);
/**
* @brief Get one element from a hli queue
*
* Usually not used, values get sent to a downstream FreeRTOS queue automatically.
* However if downstream queue is NULL, this API can be used to get values from a hli queue.
*
* @param queue handle of a queue
* @param out pointer where to store the element
* @return true if the element was successfully read from the queue
*/
bool hli_queue_get(hli_queue_handle_t queue, void* out);
/**
* @brief Put one element into a hli queue
*
* This puts copies an element into the queue and raises a software interrupt (level 3).
* In the interrupt, the value is copied to a FreeRTOS "downstream" queue.
*
* Note that if the value does not fit into a downstream queue, no error is returned,
* and the value is lost.
*
* @param queue handle of a queue
* @param data pointer to the element to be sent
* @return true if data was placed into the hli queue successfully
*/
bool hli_queue_put(hli_queue_handle_t queue, const void* data);
/**
* @brief "Give" a semaphore wrapped by a hli queue
*
* @param queue handle returned by hli_semaphore_create
* @return true if the event was sent to a hli queue successfully
*/
bool hli_semaphore_give(hli_queue_handle_t queue);
#ifdef __cplusplus
}
#endif

225
components/bt/controller/esp32/hli_vectors.S Normal file
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@@ -0,0 +1,225 @@
// Copyright 2020 Espressif Systems (Shanghai) PTE LTD
// All rights reserved.
#include <xtensa/coreasm.h>
#include <xtensa/corebits.h>
#include <xtensa/config/system.h>
#include "freertos/xtensa_context.h"
#include "sdkconfig.h"
#include "soc/soc.h"
/* Interrupt stack size, for C code.
* TODO: reduce and make configurable.
*/
#define L4_INTR_STACK_SIZE 4096
/* Save area for the CPU state:
* - 64 words for the general purpose registers
* - 7 words for some of the special registers:
* - WINDOWBASE, WINDOWSTART — only WINDOWSTART is truly needed
* - SAR, LBEG, LEND, LCOUNT — since the C code might use these
* - EPC1 — since the C code might cause window overflow exceptions
* This is not laid out a standard exception frame structure
* for simplicity of the save/restore code.
*/
#define REG_FILE_SIZE (64 * 4)
#define SPECREG_OFFSET REG_FILE_SIZE
#define SPECREG_SIZE (7 * 4)
#define REG_SAVE_AREA_SIZE (SPECREG_OFFSET * SPECREG_SIZE)
.data
_l4_intr_stack:
.space L4_INTR_STACK_SIZE
_l4_save_ctx:
.space REG_SAVE_AREA_SIZE
.section .iram1,"ax"
.global xt_highint4
.type xt_highint4,@function
.align 4
xt_highint4:
movi a0, _l4_save_ctx
/* save 4 lower registers */
s32i a1, a0, 4
s32i a2, a0, 8
s32i a3, a0, 12
rsr a2, EXCSAVE_4 /* holds the value of a0 */
s32i a2, a0, 0
/* Save special registers */
addi a0, a0, SPECREG_OFFSET
rsr a2, WINDOWBASE
s32i a2, a0, 0
rsr a2, WINDOWSTART
s32i a2, a0, 4
rsr a2, SAR
s32i a2, a0, 8
rsr a2, LBEG
s32i a2, a0, 12
rsr a2, LEND
s32i a2, a0, 16
rsr a2, LCOUNT
s32i a2, a0, 20
rsr a2, EPC1
s32i a2, a0, 24
/* disable exception mode, window overflow */
movi a0, PS_INTLEVEL(5) | PS_EXCM /*TOCHECK*/
wsr a0, PS
rsync
/* Save the remaining physical registers.
* 4 registers are already saved, which leaves 60 registers to save.
* (FIXME: consider the case when the CPU is configured with physical 32 registers)
* These 60 registers are saved in 5 iterations, 12 registers at a time.
*/
movi a1, 5
movi a3, _l4_save_ctx + 4 * 4
/* This is repeated 5 times, each time the window is shifted by 12 registers.
* We come here with a1 = downcounter, a3 = save pointer, a2 and a0 unused.
*/
1:
s32i a4, a3, 0
s32i a5, a3, 4
s32i a6, a3, 8
s32i a7, a3, 12
s32i a8, a3, 16
s32i a9, a3, 20
s32i a10, a3, 24
s32i a11, a3, 28
s32i a12, a3, 32
s32i a13, a3, 36
s32i a14, a3, 40
s32i a15, a3, 44
/* We are about to rotate the window, so that a12-a15 will become the new a0-a3.
* Copy a0-a3 to a12-15 to still have access to these values.
* At the same time we can decrement the counter and adjust the save area pointer
*/
/* a0 is constant (_l4_save_ctx), no need to copy */
addi a13, a1, -1 /* copy and decrement the downcounter */
/* a2 is scratch so no need to copy */
addi a15, a3, 48 /* copy and adjust the save area pointer */
beqz a13, 2f /* have saved all registers ? */
rotw 3 /* rotate the window and go back */
j 1b
/* the loop is complete */
2:
rotw 4 /* this brings us back to the original window */
/* a0 still points to _l4_save_ctx */
/* Can clear WINDOWSTART now, all registers are saved */
rsr a2, WINDOWBASE
/* WINDOWSTART = (1 << WINDOWBASE) */
movi a3, 1
ssl a2
sll a3, a3
wsr a3, WINDOWSTART
_highint4_stack_switch:
movi a0, 0
movi sp, _l4_intr_stack + L4_INTR_STACK_SIZE - 16
s32e a0, sp, -12 /* For GDB: set null SP */
s32e a0, sp, -16 /* For GDB: set null PC */
movi a0, _highint4_stack_switch /* For GDB: cosmetics, for the frame where stack switch happened */
/* Set up PS for C, disable all interrupts except NMI and debug, and clear EXCM. */
movi a6, PS_INTLEVEL(4) | PS_UM | PS_WOE
wsr a6, PS
rsync
/* Call C handler */
mov a6, sp
call4 hli_c_handler
l32e sp, sp, -12 /* switch back to the original stack */
/* Done with C handler; re-enable exception mode, disabling window overflow */
movi a2, PS_INTLEVEL(5) | PS_EXCM /* TOCHECK */
wsr a2, PS
rsync
/* Restore the special registers.
* WINDOWSTART will be restored near the end.
*/
movi a0, _l4_save_ctx + SPECREG_OFFSET
l32i a2, a0, 8
wsr a2, SAR
l32i a2, a0, 12
wsr a2, LBEG
l32i a2, a0, 16
wsr a2, LEND
l32i a2, a0, 20
wsr a2, LCOUNT
l32i a2, a0, 24
wsr a2, EPC1
/* Restoring the physical registers.
* This is the reverse to the saving process above.
*/
/* Rotate back to the final window, then start loading 12 registers at a time,
* in 5 iterations.
* Again, a1 is the downcounter and a3 is the save area pointer.
* After each rotation, a1 and a3 are copied from a13 and a15.
* To simplify the loop, we put the initial values into a13 and a15.
*/
rotw -4
movi a15, _l4_save_ctx + 64 * 4 /* point to the end of the save area */
movi a13, 5
1:
/* Copy a1 and a3 from their previous location,
* at the same time decrementing and adjusting the save area pointer.
*/
addi a1, a13, -1
addi a3, a15, -48
/* Load 12 registers */
l32i a4, a3, 0
l32i a5, a3, 4
l32i a6, a3, 8
l32i a7, a3, 12
l32i a8, a3, 16
l32i a9, a3, 20
l32i a10, a3, 24
l32i a11, a3, 28 /* ensure PS and EPC written */
l32i a12, a3, 32
l32i a13, a3, 36
l32i a14, a3, 40
l32i a15, a3, 44
/* Done with the loop? */
beqz a1, 2f
/* If no, rotate the window and repeat */
rotw -3
j 1b
2:
/* Done with the loop. Only 4 registers (a0-a3 in the original window) remain
* to be restored. Also need to restore WINDOWSTART, since all the general
* registers are now in place.
*/
movi a0, _l4_save_ctx
l32i a2, a0, SPECREG_OFFSET + 4
wsr a2, WINDOWSTART
l32i a1, a0, 4
l32i a2, a0, 8
l32i a3, a0, 12
rsr a0, EXCSAVE_4 /* holds the value of a0 before the interrupt handler */
/* Return from the interrupt, restoring PS from EPS_4 */
rfi 4
/* The linker has no reason to link in this file; all symbols it exports are already defined
(weakly!) in the default int handler. Define a symbol here so we can use it to have the
linker inspect this anyway. */
.global ld_include_hli_vectors_bt
ld_include_hli_vectors_bt:

2
components/bt/controller/lib_esp32

Submodule components/bt/controller/lib_esp32 updated: fb49791b7c...c9748123de