From a3d9d6b839ef70fa578bd63faad146b6b69c42ad Mon Sep 17 00:00:00 2001
From: Jean-Francois Penven <67962328+jepenven-silabs@users.noreply.github.com>
Date: Tue, 22 Nov 2022 15:50:40 +0100
Subject: [PATCH] Silabs add systemview (#23708)

---
 examples/platform/efr32/FreeRTOSConfig.h     |  4 ++++
 examples/platform/efr32/init_efrPlatform.cpp |  8 +++++++
 third_party/silabs/efr32_sdk.gni             | 22 ++++++++++++++++++++
 3 files changed, 34 insertions(+)

diff --git a/examples/platform/efr32/FreeRTOSConfig.h b/examples/platform/efr32/FreeRTOSConfig.h
index 35d6e37bf5c813..50f4c24ff31679 100644
--- a/examples/platform/efr32/FreeRTOSConfig.h
+++ b/examples/platform/efr32/FreeRTOSConfig.h
@@ -117,6 +117,10 @@ extern "C" {
 #include "sl_component_catalog.h"
 #endif
 
+#if SL_SYSTEM_VIEW
+#include "SEGGER_SYSVIEW_FreeRTOS.h"
+#endif
+
 /*-----------------------------------------------------------
  * Application specific definitions.
  *
diff --git a/examples/platform/efr32/init_efrPlatform.cpp b/examples/platform/efr32/init_efrPlatform.cpp
index 36ee0018e8a814..2234be0e6c919a 100644
--- a/examples/platform/efr32/init_efrPlatform.cpp
+++ b/examples/platform/efr32/init_efrPlatform.cpp
@@ -56,12 +56,20 @@ extern "C" {
 #include "sl_mbedtls.h"
 #include "sl_system_init.h"
 
+#if SL_SYSTEM_VIEW
+#include "SEGGER_SYSVIEW.h"
+#endif
+
 void initAntenna(void);
 
 void init_efrPlatform(void)
 {
     sl_system_init();
     sl_mbedtls_init();
+#if SL_SYSTEM_VIEW
+    SEGGER_SYSVIEW_Conf();
+    SEGGER_SYSVIEW_Start();
+#endif
 
 #if EFR32_LOG_ENABLED
     efr32InitLog();
diff --git a/third_party/silabs/efr32_sdk.gni b/third_party/silabs/efr32_sdk.gni
index a7b803473f90da..493caaf4de447b 100644
--- a/third_party/silabs/efr32_sdk.gni
+++ b/third_party/silabs/efr32_sdk.gni
@@ -35,6 +35,9 @@ declare_args() {
   # Use Silabs factory data provider example.
   # Users can implement their own.
   use_efr32_factory_data_provider = true
+
+  # Enable Segger System View
+  use_system_view = false
 }
 
 # Explorer Kit and MGM240L do not have external flash
@@ -195,6 +198,17 @@ template("efr32_sdk") {
       #"__STACK_SIZE=0",
     ]
 
+    if (use_system_view) {
+      _include_dirs += [
+        "${efr32_sdk_root}/util/third_party/segger/systemview/SEGGER",
+        "${efr32_sdk_root}/util/third_party/segger/systemview/Sample/FreeRTOSV10/Config/Cortex-M",
+        "${efr32_sdk_root}/util/third_party/segger/systemview/Sample/FreeRTOSV10",
+        "${efr32_sdk_root}/util/third_party/segger/systemview/Config/",
+      ]
+
+      defines += [ "SL_SYSTEM_VIEW=1" ]
+    }
+
     defines += board_defines
 
     if (use_wstk_leds) {
@@ -571,6 +585,14 @@ template("efr32_sdk") {
       "${sdk_support_root}/matter/efr32/${silabs_family}/${silabs_board}/autogen/sl_simple_button_instances.c",
     ]
 
+    if (use_system_view) {
+      sources += [
+        "${efr32_sdk_root}/util/third_party/segger/systemview/SEGGER/SEGGER_SYSVIEW.c",
+        "${efr32_sdk_root}/util/third_party/segger/systemview/Sample/FreeRTOSV10/Config/Cortex-M/SEGGER_SYSVIEW_Config_FreeRTOS.c",
+        "${efr32_sdk_root}/util/third_party/segger/systemview/Sample/FreeRTOSV10/SEGGER_SYSVIEW_FreeRTOS.c",
+      ]
+    }
+
     if (use_wstk_leds) {
       sources += [
         "${efr32_sdk_root}/platform/driver/leddrv/src/sl_led.c",