vfs: add support for semihosting on ESP32-C3

components/app_trace/port/riscv/port.c

@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2021 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -7,6 +7,7 @@
 #include "esp_log.h"
 #include "esp_app_trace_membufs_proto.h"
 #include "esp_app_trace_port.h"
+#include "riscv/semihosting.h"
 
 /** RISCV HW transport data */
 typedef struct {
@@ -103,7 +104,7 @@ __attribute__((weak)) int esp_apptrace_advertise_ctrl_block(void *ctrl_block_add
     if (!esp_cpu_in_ocd_debug_mode()) {
         return 0;
     }
-    return cpu_hal_syscall(RISCV_APPTRACE_SYSNR, (int)ctrl_block_addr, 0, 0, 0, NULL);
+    return (int) semihosting_call_noerrno(RISCV_APPTRACE_SYSNR, (long*)ctrl_block_addr);
 }
 
 /* Returns up buffers config.