fix(bt): keep BLE log ISR state in internal RAM

(cherry picked from commit 2fa434eb50)

Co-authored-by: Zhou Xiao <zhouxiao@espressif.com>

components/bt/common/ble_log/src/ble_log_lbm.c

@@ -21,12 +21,12 @@
 #define TAG "ble_log"
 #define BLE_LOG_LBM_WAIT_TIMEOUT_MS (1000)
 
-BLE_LOG_STATIC volatile uint32_t lbm_ref_count = 0;
+BLE_LOG_STATIC BLE_LOG_DRAM_ATTR volatile uint32_t lbm_ref_count = 0;
-BLE_LOG_STATIC bool lbm_inited = false;
+BLE_LOG_STATIC BLE_LOG_DRAM_ATTR bool lbm_inited = false;
-BLE_LOG_STATIC bool lbm_enabled = false;
+BLE_LOG_STATIC BLE_LOG_DRAM_ATTR bool lbm_enabled = false;
 BLE_LOG_STATIC volatile bool flush_in_progress = false;
-BLE_LOG_STATIC ble_log_lbm_ctx_t *lbm_ctx = NULL;
+BLE_LOG_STATIC BLE_LOG_DRAM_ATTR ble_log_lbm_ctx_t *lbm_ctx = NULL;
-BLE_LOG_STATIC ble_log_stat_mgr_t *stat_mgr_ctx[BLE_LOG_SRC_MAX] = {0};
+BLE_LOG_STATIC BLE_LOG_DRAM_ATTR ble_log_stat_mgr_t *stat_mgr_ctx[BLE_LOG_SRC_MAX] = {0};
 
 /* PRIVATE FUNCTION DECLARATION */
 BLE_LOG_STATIC

components/bt/common/ble_log/src/ble_log_rt.c

@@ -14,11 +14,11 @@
 #include "ble_log_lbm.h"
 
 /* VARIABLE */
-BLE_LOG_STATIC bool rt_inited = false;
+BLE_LOG_STATIC BLE_LOG_DRAM_ATTR bool rt_inited = false;
 BLE_LOG_STATIC TaskHandle_t rt_task_handle = NULL;
-BLE_LOG_STATIC QueueHandle_t rt_queue_handle = NULL;
+BLE_LOG_STATIC BLE_LOG_DRAM_ATTR QueueHandle_t rt_queue_handle = NULL;
 #if CONFIG_BLE_LOG_TS_ENABLED
-BLE_LOG_STATIC bool rt_ts_enabled = false;
+BLE_LOG_STATIC BLE_LOG_DRAM_ATTR bool rt_ts_enabled = false;
 #if CONFIG_BLE_LOG_TS_TRIGGER_ESP_TIMER
 BLE_LOG_STATIC esp_timer_handle_t rt_ts_timer = NULL;
 #endif /* CONFIG_BLE_LOG_TS_TRIGGER_ESP_TIMER */

components/bt/common/ble_log/src/ble_log_ts.c

@@ -11,8 +11,8 @@
 #include "ble_log_ts.h"
 
 /* VARIABLE */
-BLE_LOG_STATIC bool ts_inited = false;
+BLE_LOG_STATIC BLE_LOG_DRAM_ATTR bool ts_inited = false;
-BLE_LOG_STATIC ble_log_ts_info_t *ts_info = NULL;
+BLE_LOG_STATIC BLE_LOG_DRAM_ATTR ble_log_ts_info_t *ts_info = NULL;
 
 /* INTERFACE */
 bool ble_log_ts_init(void)

components/bt/common/ble_log/src/ble_log_util.c

@@ -13,7 +13,7 @@
 
 /* VARIABLE */
 #ifndef UNIT_TEST
-portMUX_TYPE ble_log_spin_lock = portMUX_INITIALIZER_UNLOCKED;
+BLE_LOG_DRAM_ATTR portMUX_TYPE ble_log_spin_lock = portMUX_INITIALIZER_UNLOCKED;
 #endif /* !UNIT_TEST */
 
 /* INTERNAL INTERFACE */

components/bt/common/ble_log/src/internal_include/ble_log_util.h

@@ -37,6 +37,7 @@
 #define BLE_LOG_INLINE                          inline
 
 /* Section */
+#define BLE_LOG_DRAM_ATTR                       DRAM_ATTR
 #if defined(CONFIG_IDF_TARGET_ESP32C2)
 #define BLE_LOG_IRAM_ATTR                       _SECTION_ATTR_IMPL(".ble_log_iram1", __COUNTER__)
 #else
@@ -92,6 +93,7 @@ void ble_log_cas_release(volatile bool *cas_lock)
 #define BLE_LOG_INLINE
 
 /* Section */
+#define BLE_LOG_DRAM_ATTR
 #define BLE_LOG_IRAM_ATTR
 
 /* Memory operation */

components/bt/common/ble_log/src/prph/ble_log_prph_spi_master_dma.c

@@ -27,7 +27,7 @@
 /* VARIABLE */
 BLE_LOG_STATIC bool prph_inited = false;
 BLE_LOG_STATIC spi_device_handle_t dev_handle = NULL;
-BLE_LOG_STATIC uint32_t last_tx_done_ts = 0;
+BLE_LOG_STATIC BLE_LOG_DRAM_ATTR uint32_t last_tx_done_ts = 0;
 
 /* PRIVATE FUNCTION DECLARATION */
 BLE_LOG_STATIC void spi_master_dma_tx_done_cb(spi_transaction_t *spi_trans);

components/bt/common/ble_log/src/prph/ble_log_prph_uart_dma.c

@@ -31,7 +31,7 @@
 #endif /* BLE_LOG_PRPH_UART_DMA_REDIR */
 
 /* VARIABLE */
-BLE_LOG_STATIC bool prph_inited = false;
+BLE_LOG_STATIC BLE_LOG_DRAM_ATTR bool prph_inited = false;
 BLE_LOG_STATIC uhci_controller_handle_t dev_handle = NULL;
 #if BLE_LOG_PRPH_UART_DMA_REDIR
 BLE_LOG_STATIC bool uart_driver_inited = false;