From 24b0c90d8661975e0360aa1c9af04f578139b5ff Mon Sep 17 00:00:00 2001
From: Petr Gargulak <petr.gargulak@nxp.com>
Date: Thu, 19 Dec 2019 14:10:44 +0100
Subject: [PATCH] Added "xPortIsInsideInterrupt" function into portmacro.h for
 IAR compiler and CM4F and CM7 cores.

---
 portable/IAR/ARM_CM4F/portmacro.h     | 26 ++++++++++++++++++++++++++
 portable/IAR/ARM_CM7/r0p1/portmacro.h | 26 ++++++++++++++++++++++++++
 2 files changed, 52 insertions(+)

diff --git a/portable/IAR/ARM_CM4F/portmacro.h b/portable/IAR/ARM_CM4F/portmacro.h
index 08f5d1c3f..c827c0777 100644
--- a/portable/IAR/ARM_CM4F/portmacro.h
+++ b/portable/IAR/ARM_CM4F/portmacro.h
@@ -157,6 +157,32 @@ not necessary for to use this port.  They are defined so the common demo files
 /* portNOP() is not required by this port. */
 #define portNOP()
 
+#define portINLINE	__inline
+
+#ifndef portFORCE_INLINE
+	#define portFORCE_INLINE inline __attribute__(( always_inline))
+#endif
+
+portFORCE_INLINE static BaseType_t xPortIsInsideInterrupt( void )
+{
+uint32_t ulCurrentInterrupt;
+BaseType_t xReturn;
+
+	/* Obtain the number of the currently executing interrupt. */
+	__asm volatile( "mrs %0, ipsr" : "=r"( ulCurrentInterrupt ) :: "memory" );
+
+	if( ulCurrentInterrupt == 0 )
+	{
+		xReturn = pdFALSE;
+	}
+	else
+	{
+		xReturn = pdTRUE;
+	}
+
+	return xReturn;
+}
+
 /*-----------------------------------------------------------*/
 
 /* Suppress warnings that are generated by the IAR tools, but cannot be fixed in
diff --git a/portable/IAR/ARM_CM7/r0p1/portmacro.h b/portable/IAR/ARM_CM7/r0p1/portmacro.h
index 9f3c261b8..1318f9205 100644
--- a/portable/IAR/ARM_CM7/r0p1/portmacro.h
+++ b/portable/IAR/ARM_CM7/r0p1/portmacro.h
@@ -160,6 +160,32 @@ not necessary for to use this port.  They are defined so the common demo files
 /* portNOP() is not required by this port. */
 #define portNOP()
 
+#define portINLINE	__inline
+
+#ifndef portFORCE_INLINE
+	#define portFORCE_INLINE inline __attribute__(( always_inline))
+#endif
+
+portFORCE_INLINE static BaseType_t xPortIsInsideInterrupt( void )
+{
+uint32_t ulCurrentInterrupt;
+BaseType_t xReturn;
+
+	/* Obtain the number of the currently executing interrupt. */
+	__asm volatile( "mrs %0, ipsr" : "=r"( ulCurrentInterrupt ) :: "memory" );
+
+	if( ulCurrentInterrupt == 0 )
+	{
+		xReturn = pdFALSE;
+	}
+	else
+	{
+		xReturn = pdTRUE;
+	}
+
+	return xReturn;
+}
+
 /*-----------------------------------------------------------*/
 
 /* Suppress warnings that are generated by the IAR tools, but cannot be fixed in