arch: arm: Added IAR support to ARM irq header macros

Added IAR support to the macros ARCH_ISR_DIAG_OFF and
ARCH_ISR_DIAG_ON and updated the IAR warning macros.

Signed-off-by: Lars-Ove Karlsson <lars-ove.karlsson@iar.com>

Author: LoveKarlsson

include/zephyr/arch/arm/irq.h

@@ -171,10 +171,12 @@ static inline void arch_isr_direct_footer(int maybe_swap)
 
 #define ARCH_ISR_DIAG_OFF \
 	TOOLCHAIN_DISABLE_CLANG_WARNING(TOOLCHAIN_WARNING_EXTRA) \
-	TOOLCHAIN_DISABLE_GCC_WARNING(TOOLCHAIN_WARNING_ATTRIBUTES)
+	TOOLCHAIN_DISABLE_GCC_WARNING(TOOLCHAIN_WARNING_ATTRIBUTES) \
+	TOOLCHAIN_DISABLE_IAR_WARNING(TOOLCHAIN_WARNING_ATTRIBUTES)
 #define ARCH_ISR_DIAG_ON \
 	TOOLCHAIN_ENABLE_CLANG_WARNING(TOOLCHAIN_WARNING_EXTRA) \
-	TOOLCHAIN_ENABLE_GCC_WARNING(TOOLCHAIN_WARNING_ATTRIBUTES)
+	TOOLCHAIN_ENABLE_GCC_WARNING(TOOLCHAIN_WARNING_ATTRIBUTES) \
+	TOOLCHAIN_ENABLE_IAR_WARNING(TOOLCHAIN_WARNING_ATTRIBUTES)
 
 #define ARCH_ISR_DIRECT_DECLARE(name) \
 	static inline int name##_body(void); \

include/zephyr/toolchain/iar.h

@@ -29,7 +29,7 @@
  * @ref TOOLCHAIN_ENABLE_WARNING family of macros.
  */
 #ifndef TOOLCHAIN_WARNING_ADDRESS_OF_PACKED_MEMBER
-#define TOOLCHAIN_WARNING_ADDRESS_OF_PACKED_MEMBER Pe001
+#define TOOLCHAIN_WARNING_ADDRESS_OF_PACKED_MEMBER Pa039
 #endif
 
 /**