modules: add segger module locally, and update to 3.30

Move Zephyr related files into modules/ and update to 3.30

Signed-off-by: Anas Nashif <[email protected]>

Author: nashif

modules/segger/CMakeLists.txt

@@ -0,0 +1,15 @@
+if(CONFIG_USE_SEGGER_RTT)
+
+  zephyr_library()
+  set(SEGGER_DIR ${ZEPHYR_CURRENT_MODULE_DIR})
+  zephyr_include_directories_ifdef(CONFIG_USE_SEGGER_RTT
+    ${SEGGER_DIR}/SEGGER
+    ${SEGGER_DIR}/Config
+    .
+    )
+  zephyr_library_sources(
+    ${SEGGER_DIR}/SEGGER/SEGGER_RTT.c
+    SEGGER_RTT_zephyr.c
+    )
+  zephyr_library_sources_ifdef(CONFIG_SEGGER_SYSTEMVIEW ${SEGGER_DIR}/SEGGER/SEGGER_SYSVIEW.c)
+endif()

modules/segger/SEGGER_RTT_zephyr.c

@@ -0,0 +1,33 @@
+/*
+ * Copyright (c) 2018 omSquare s.r.o.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <kernel.h>
+#include <init.h>
+#include "SEGGER_RTT.h"
+
+/*
+ * Common mutex for locking access to terminal buffer.
+ * Note that SEGGER uses same lock macros for both SEGGER_RTT_Write and
+ * SEGGER_RTT_Read functions. Because of this we are not able generally
+ * separate up and down access using two mutexes until SEGGER library fix
+ * this.
+ *
+ * If sharing access cause performance problems, consider using another
+ * non terminal buffers.
+ */
+
+K_MUTEX_DEFINE(rtt_term_mutex);
+
+static int rtt_init(const struct device *unused)
+{
+	ARG_UNUSED(unused);
+
+	SEGGER_RTT_Init();
+
+	return 0;
+}
+
+SYS_INIT(rtt_init, PRE_KERNEL_1, CONFIG_KERNEL_INIT_PRIORITY_OBJECTS);

modules/segger/SEGGER_SYSVIEW_Conf.h

@@ -0,0 +1,31 @@
+/*
+ * Copyright (c) 2020 Intel Corporation
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+#pragma once
+
+#include <stdint.h>
+#include <irq.h>
+
+#define SEGGER_SYSVIEW_GET_TIMESTAMP sysview_get_timestamp
+#define SEGGER_SYSVIEW_GET_INTERRUPT_ID sysview_get_interrupt
+
+uint32_t sysview_get_timestamp(void);
+uint32_t sysview_get_interrupt(void);
+
+#define SEGGER_SYSVIEW_RTT_BUFFER_SIZE CONFIG_SEGGER_SYSVIEW_RTT_BUFFER_SIZE
+#define SEGGER_SYSVIEW_POST_MORTEM_MODE CONFIG_SEGGER_SYSVIEW_POST_MORTEM_MODE
+
+#if defined(CONFIG_SEGGER_SYSVIEW_SECTION_DTCM)
+#define SEGGER_SYSVIEW_SECTION	".dtcm_data"
+#endif
+
+/* Lock SystemView (nestable) */
+#define SEGGER_SYSVIEW_LOCK()	{					       \
+					unsigned int __sysview_irq_key =       \
+						irq_lock()
+
+/* Unlock SystemView (nestable) */
+#define SEGGER_SYSVIEW_UNLOCK()		irq_unlock(__sysview_irq_key);         \
+				}

west.yml

@@ -112,7 +112,7 @@ manifest:
       revision: cdb9570901e87ab247aed0a96ccd8f94beee5834
       path: modules/lib/openthread
     - name: segger
-      revision: 38c79a447e4a47d413b4e8d34448316a5cece77c
+      revision: 2aa031c081426dcd0626185af45c40bd05811b68
       path: modules/debug/segger
     - name: sof
       revision: 52dc9c5ad8d0d2a5df0bb51ea30e54f8d7890639