target/espressif: print espressif syscall names in the log

Author: erhankur

src/target/espressif/esp_riscv.c

@@ -346,8 +346,6 @@ int esp_riscv_semihosting(struct target *target)
 	struct esp_riscv_common *esp_riscv = target_to_esp_riscv(target);
 	struct semihosting *semihosting = target->semihosting;
 
-	LOG_DEBUG("op:(%x) param: (%" PRIx64 ")", semihosting->op, semihosting->param);
-
 	switch (semihosting->op) {
 	case ESP_SEMIHOSTING_SYS_APPTRACE_INIT:
 		res = esp_riscv_apptrace_info_init(target, semihosting->param, NULL);

src/target/espressif/esp_semihosting.c

@@ -241,6 +241,60 @@ static int esp_semihosting_sys_drv_info(struct target *target, int addr, int siz
 	return retval;
 }
 
+static const char *esp_semihosting_opcode_to_str(const int opcode)
+{
+	switch (opcode) {
+		case ESP_SEMIHOSTING_SYS_DRV_INFO:
+			return "SYS_DRV_INFO";
+		case ESP_SEMIHOSTING_SYS_SEEK:
+			return "ESP_SYS_SEEK";
+		case ESP_SEMIHOSTING_SYS_APPTRACE_INIT:
+			return "APPTRACE_INIT";
+		case ESP_SEMIHOSTING_SYS_DEBUG_STUBS_INIT:
+			return "DEBUG_STUBS_INIT";
+		case ESP_SEMIHOSTING_SYS_BREAKPOINT_SET:
+			return "BP_ADD_REMOVE";
+		case ESP_SEMIHOSTING_SYS_WATCHPOINT_SET:
+			return "WP_ADD_REMOVE";
+		case ESP_SEMIHOSTING_SYS_PANIC_REASON:
+			return "SYS_PANIC_REASON";
+		case ESP_SEMIHOSTING_SYS_MKDIR:
+			return "SYS_MKDIR";
+		case ESP_SEMIHOSTING_SYS_OPENDIR:
+			return "SYS_OPENDIR";
+		case ESP_SEMIHOSTING_SYS_READDIR:
+			return "SYS_READDIR";
+		case ESP_SEMIHOSTING_SYS_READDIR_R:
+			return "SYS_READDIR_R";
+		case ESP_SEMIHOSTING_SYS_SEEKDIR:
+			return "SYS_SEEKDIR";
+		case ESP_SEMIHOSTING_SYS_TELLDIR:
+			return "SYS_TELLDIR";
+		case ESP_SEMIHOSTING_SYS_CLOSEDIR:
+			return "SYS_CLOSEDIR";
+		case ESP_SEMIHOSTING_SYS_RMDIR:
+			return "SYS_RMDIR";
+		case ESP_SEMIHOSTING_SYS_ACCESS:
+			return "SYS_ACCESS";
+		case ESP_SEMIHOSTING_SYS_TRUNCATE:
+			return "SYS_TRUNCATE";
+		case ESP_SEMIHOSTING_SYS_UTIME:
+			return "SYS_UTIME";
+		case ESP_SEMIHOSTING_SYS_FSTAT:
+			return "SYS_FSTAT";
+		case ESP_SEMIHOSTING_SYS_STAT:
+			return "SYS_STAT";
+		case ESP_SEMIHOSTING_SYS_FSYNC:
+			return "SYS_FSYNC";
+		case ESP_SEMIHOSTING_SYS_LINK:
+			return "SYS_LINK";
+		case ESP_SEMIHOSTING_SYS_UNLINK:
+			return "SYS_UNLINK";
+		default:
+			return "<unknown>";
+	}
+}
+
 int esp_semihosting_common(struct target *target)
 {
 	struct semihosting *semihosting = target->semihosting;
@@ -264,7 +318,7 @@ int esp_semihosting_common(struct target *target)
 	semihosting->sys_errno = EIO;
 
 	LOG_TARGET_DEBUG(target, "op=0x%x (%s), param=0x%" PRIx64,
-		semihosting->op, semihosting_opcode_to_str(semihosting->op), semihosting->param);
+		semihosting->op, esp_semihosting_opcode_to_str(semihosting->op), semihosting->param);
 
 	switch (semihosting->op) {
 	case ESP_SEMIHOSTING_SYS_DRV_INFO: