added runtime error details to guru meditation

firmware/baseband/CMakeLists.txt

@@ -139,7 +139,7 @@ set(CPPSRC
 	audio_stats_collector.cpp
 	${COMMON}/utility.cpp
 	${COMMON}/chibios_cpp.cpp
-	${COMMON}/debug.cpp
+	debug.cpp
 	${COMMON}/gcc.cpp
 	tone_gen.cpp
 )

firmware/baseband/debug.cpp

@@ -0,0 +1,110 @@
+/*
+ * Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
+ * Copyright (C) 2023 Bernd Herzog
+ *
+ * This file is part of PortaPack.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#include "debug.hpp"
+
+#include <ch.h>
+#include <hal.h>
+
+#include "portapack_shared_memory.hpp"
+
+void write_m4_panic_msg(const char *panic_message, struct extctx *ctxp) {
+    if (ctxp == nullptr) {
+        shared_memory.bb_data.data[0] = 0;
+    }
+    else {
+        shared_memory.bb_data.data[0] = 1;
+        memcpy(&shared_memory.bb_data.data[4], ctxp, sizeof(struct extctx));
+    }
+
+	for(size_t i=0; i<sizeof(shared_memory.m4_panic_msg); i++) {
+		if( *panic_message == 0 ) {
+			shared_memory.m4_panic_msg[i] = 0;
+		} else {
+			shared_memory.m4_panic_msg[i] = *(panic_message++);
+		}
+	}
+}
+
+extern "C" {
+#if CH_DBG_ENABLED
+void port_halt(void) {
+	port_disable();
+
+    if (dbg_panic_msg == nullptr)
+        dbg_panic_msg = "system halted";
+
+    write_m4_panic_msg(dbg_panic_msg, nullptr);
+}
+#endif
+
+CH_IRQ_HANDLER(MemManageVector) {
+#if CH_DBG_ENABLED
+	chDbgPanic("MemManage");
+#else
+	chSysHalt();
+#endif
+}
+
+CH_IRQ_HANDLER(BusFaultVector) {
+#if CH_DBG_ENABLED
+	chDbgPanic("BusFault");
+#else
+	chSysHalt();
+#endif
+}
+
+CH_IRQ_HANDLER(UsageFaultVector) {
+#if CH_DBG_ENABLED
+	chDbgPanic("UsageFault");
+#else
+	chSysHalt();
+#endif
+}
+
+CH_IRQ_HANDLER(HardFaultVector) {
+#if CH_DBG_ENABLED
+    regarm_t _saved_lr;
+    asm volatile ("mov     %0, lr" : "=r" (_saved_lr) : : "memory");
+	CH_IRQ_PROLOGUE();
+
+    struct extctx *ctxp;
+    port_lock_from_isr();
+
+    if ((uint32_t)_saved_lr & 0x04)
+        ctxp = (struct extctx *)__get_PSP();
+    else
+        ctxp = (struct extctx *)__get_MSP();
+
+    write_m4_panic_msg("Hard Fault", ctxp);
+
+	port_disable();
+    while (true);
+
+    CH_IRQ_EPILOGUE();
+#else
+	chSysHalt();
+#endif
+}
+
+}
+

firmware/baseband/debug.hpp

@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
+ *
+ * This file is part of PortaPack.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef __DEBUG_H__
+#define __DEBUG_H__
+
+#endif/*__DEBUG_H__*/