diff rvinterf/tmsh/bsimresp.c @ 817:9706832b740b

fc-tmsh: ETM_BSIM response handling implemented
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 15 May 2021 01:00:52 +0000
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/rvinterf/tmsh/bsimresp.c	Sat May 15 01:00:52 2021 +0000
@@ -0,0 +1,80 @@
+/*
+ * Handling of ETM_BSIM responses (FreeCalypso addition to fw)
+ */
+
+#include <sys/types.h>
+#include <stdio.h>
+#include "bsim_etm_cmd.h"
+
+extern u_char rvi_msg[];
+extern int rvi_msg_len;
+
+static char *cmd_names[] = {
+	"query", "disch", "start", "ci2cv", "complete", "ichg", "start-enable"
+};
+
+static void
+handle_bsim_error()
+{
+	char *errstr;
+	char msg[80];
+
+	if (rvi_msg_len != 6) {
+		print_etm_pkt_raw("ETM_BSIM long error packet");
+		return;
+	}
+	switch (rvi_msg[3]) {
+	case BSIM_ERR_BAD_CMD:
+		errstr = "bad command opcode";
+		break;
+	case BSIM_ERR_WRONG_STATE:
+		errstr = "wrong state";
+		break;
+	case BSIM_ERR_INV_PERCENT:
+		errstr = "invalid percent";
+		break;
+	case BSIM_ERR_INV_DISCHARGE:
+		errstr = "invalid discharge";
+		break;
+	default:
+		errstr = "unknown";
+	}
+	sprintf(msg, "bsim %s error 0x%02X (%s)", cmd_names[rvi_msg[4]],
+		rvi_msg[3], errstr);
+	async_msg_output(msg);
+}
+
+void
+handle_bsim_response()
+{
+	char msg[80];
+
+	if (rvi_msg_len == 5 && rvi_msg[3] == 0x3C) {
+		async_msg_output("bsim: ETM_NOSYS response");
+		return;
+	}
+	if (rvi_msg_len < 6) {
+		print_etm_pkt_raw("ETM_BSIM response too short");
+		return;
+	}
+	if (rvi_msg[4] > BSIM_CMD_START_ENABLE) {
+		print_etm_pkt_raw("ETM_BSIM unknown opcode");
+		return;
+	}
+	if (rvi_msg[3]) {
+		handle_bsim_error();
+		return;
+	}
+	if (rvi_msg_len == 6) {
+		sprintf(msg, "bsim %s OK", cmd_names[rvi_msg[4]]);
+		async_msg_output(msg);
+		return;
+	}
+	if (rvi_msg[4] == BSIM_CMD_QUERY && rvi_msg_len == 9) {
+		sprintf(msg, "bsim: state=%u percent=%u start_enable=%u",
+			rvi_msg[5], rvi_msg[6], rvi_msg[7]);
+		async_msg_output(msg);
+		return;
+	}
+	print_etm_pkt_raw("ETM_BSIM response wrong length");
+}