[FL-3299] furi_crash: added C2 status; added fw-version gdb command (#2638)

* furi_crash: added C2 status
* debug: Added "fw-version" gdb command; vscode: updated configuration to use new command
* debug: added fw-info command to debug_other session
* Toolbox: versioned structure for Version
* debug: fw-version: no longer needs an ELF file loaded
* debug: flipperversion: removed unused variable
* debug_other: print running fw version

Co-authored-by: Aleksandr Kutuzov <alleteam@gmail.com>

firmware/targets/f18/api_symbols.csv

@@ -1,5 +1,5 @@
 entry,status,name,type,params
-Version,+,26.0,,
+Version,+,26.1,,
 Header,+,applications/services/bt/bt_service/bt.h,,
 Header,+,applications/services/cli/cli.h,,
 Header,+,applications/services/cli/cli_vcp.h,,
@@ -823,6 +823,7 @@ Function,+,furi_hal_bt_change_app,_Bool,"FuriHalBtProfile, GapEventCallback, voi
 Function,+,furi_hal_bt_clear_white_list,_Bool,
 Function,+,furi_hal_bt_dump_state,void,FuriString*
 Function,+,furi_hal_bt_ensure_c2_mode,_Bool,BleGlueC2Mode
+Function,-,furi_hal_bt_get_hardfault_info,const FuriHalBtHardfaultInfo*,
 Function,+,furi_hal_bt_get_key_storage_buff,void,"uint8_t**, uint16_t*"
 Function,+,furi_hal_bt_get_radio_stack,FuriHalBtStack,
 Function,+,furi_hal_bt_get_rssi,float,

firmware/targets/f7/api_symbols.csv

@@ -1,5 +1,5 @@
 entry,status,name,type,params
-Version,+,26.0,,
+Version,+,26.1,,
 Header,+,applications/services/bt/bt_service/bt.h,,
 Header,+,applications/services/cli/cli.h,,
 Header,+,applications/services/cli/cli_vcp.h,,
@@ -1004,6 +1004,7 @@ Function,+,furi_hal_bt_change_app,_Bool,"FuriHalBtProfile, GapEventCallback, voi
 Function,+,furi_hal_bt_clear_white_list,_Bool,
 Function,+,furi_hal_bt_dump_state,void,FuriString*
 Function,+,furi_hal_bt_ensure_c2_mode,_Bool,BleGlueC2Mode
+Function,-,furi_hal_bt_get_hardfault_info,const FuriHalBtHardfaultInfo*,
 Function,+,furi_hal_bt_get_key_storage_buff,void,"uint8_t**, uint16_t*"
 Function,+,furi_hal_bt_get_radio_stack,FuriHalBtStack,
 Function,+,furi_hal_bt_get_rssi,float,

firmware/targets/f7/furi_hal/furi_hal_bt.c

@@ -19,6 +19,8 @@
 /* Time, in ms, to wait for mode transition before crashing */
 #define C2_MODE_SWITCH_TIMEOUT 10000
 
+#define FURI_HAL_BT_HARDFAULT_INFO_MAGIC 0x1170FD0F
+
 FuriMutex* furi_hal_bt_core2_mtx = NULL;
 static FuriHalBtStack furi_hal_bt_stack = FuriHalBtStackUnknown;
 
@@ -440,3 +442,12 @@ bool furi_hal_bt_ensure_c2_mode(BleGlueC2Mode mode) {
     FURI_LOG_E(TAG, "Failed to switch C2 mode: %d", fw_start_res);
     return false;
 }
+
+const FuriHalBtHardfaultInfo* furi_hal_bt_get_hardfault_info() {
+    /* AN5289, 4.8.2 */
+    const FuriHalBtHardfaultInfo* info = (FuriHalBtHardfaultInfo*)(SRAM2A_BASE);
+    if(info->magic != FURI_HAL_BT_HARDFAULT_INFO_MAGIC) {
+        return NULL;
+    }
+    return info;
+}

firmware/targets/furi_hal_include/furi_hal_bt.h

@@ -224,6 +224,19 @@ uint32_t furi_hal_bt_get_transmitted_packets();
  */
 bool furi_hal_bt_ensure_c2_mode(BleGlueC2Mode mode);
 
+typedef struct {
+    uint32_t magic;
+    uint32_t source_pc;
+    uint32_t source_lr;
+    uint32_t source_sp;
+} FuriHalBtHardfaultInfo;
+
+/** Get hardfault info
+ *
+ * @return     hardfault info. NULL if no hardfault
+ */
+const FuriHalBtHardfaultInfo* furi_hal_bt_get_hardfault_info();
+
 #ifdef __cplusplus
 }
 #endif