From 07b0e8462290706fa764ab3735ad9bf4fda6b28c Mon Sep 17 00:00:00 2001
From: Deepika <deepika.bhavnani@arm.com>
Date: Fri, 28 Sep 2018 11:14:43 -0500
Subject: [PATCH] Set main thread stack size as 3K for constrained targets

---
 targets/TARGET_NUVOTON/mbed_rtx.h | 7 +++++++
 targets/TARGET_STM/mbed_rtx.h     | 7 +++++++
 targets/TARGET_TOSHIBA/mbed_rtx.h | 8 ++++++++
 3 files changed, 22 insertions(+)

diff --git a/targets/TARGET_NUVOTON/mbed_rtx.h b/targets/TARGET_NUVOTON/mbed_rtx.h
index 137e4c1a24..1b4e2b4986 100644
--- a/targets/TARGET_NUVOTON/mbed_rtx.h
+++ b/targets/TARGET_NUVOTON/mbed_rtx.h
@@ -45,6 +45,13 @@
     #error "no toolchain defined"
 #endif
 
+#if defined(TARGET_NANO100)
+#ifdef MBED_CONF_RTOS_MAIN_THREAD_STACK_SIZE
+#undef MBED_CONF_RTOS_MAIN_THREAD_STACK_SIZE
+#endif
+#define MBED_CONF_RTOS_MAIN_THREAD_STACK_SIZE 3072
+#endif
+
 #endif  // TARGET_NUVOTON
 
 #endif  // MBED_MBED_RTX_H
diff --git a/targets/TARGET_STM/mbed_rtx.h b/targets/TARGET_STM/mbed_rtx.h
index 2d1271a368..48cb950a20 100644
--- a/targets/TARGET_STM/mbed_rtx.h
+++ b/targets/TARGET_STM/mbed_rtx.h
@@ -137,4 +137,11 @@ extern uint32_t               __HeapLimit[];
 #define ISR_STACK_SIZE        ((uint32_t)((uint32_t)__StackTop - (uint32_t)__StackLimit))
 #endif
 
+#if (defined(TARGET_STM32F070RB) || defined(TARGET_STM32F072RB))
+#ifdef MBED_CONF_RTOS_MAIN_THREAD_STACK_SIZE
+#undef MBED_CONF_RTOS_MAIN_THREAD_STACK_SIZE
+#endif
+#define MBED_CONF_RTOS_MAIN_THREAD_STACK_SIZE 3072
+#endif
+
 #endif  // MBED_MBED_RTX_H
diff --git a/targets/TARGET_TOSHIBA/mbed_rtx.h b/targets/TARGET_TOSHIBA/mbed_rtx.h
index b6fe6163b8..bad006f505 100644
--- a/targets/TARGET_TOSHIBA/mbed_rtx.h
+++ b/targets/TARGET_TOSHIBA/mbed_rtx.h
@@ -22,6 +22,10 @@
 #ifndef INITIAL_SP
 #define INITIAL_SP                        (0x20004000UL)
 #endif
+#ifdef MBED_CONF_RTOS_MAIN_THREAD_STACK_SIZE
+#undef MBED_CONF_RTOS_MAIN_THREAD_STACK_SIZE
+#endif
+#define MBED_CONF_RTOS_MAIN_THREAD_STACK_SIZE 3072
 
 #endif
 
@@ -30,6 +34,10 @@
 #ifndef INITIAL_SP
 #define INITIAL_SP                        (0x20080000UL)
 #endif
+#ifdef MBED_CONF_RTOS_MAIN_THREAD_STACK_SIZE
+#undef MBED_CONF_RTOS_MAIN_THREAD_STACK_SIZE
+#endif
+#define MBED_CONF_RTOS_MAIN_THREAD_STACK_SIZE 3072
 
 #endif