diff --git a/arch/arm/include/armv6-m/irq.h b/arch/arm/include/armv6-m/irq.h
index e62722c29af..9f3d5c14a66 100644
--- a/arch/arm/include/armv6-m/irq.h
+++ b/arch/arm/include/armv6-m/irq.h
@@ -43,6 +43,10 @@
  * Pre-processor Prototypes
  ****************************************************************************/
 
+#ifdef __ghs__
+#  define __ARM_ARCH 6
+#endif
+
 /* Configuration ************************************************************/
 
 /* If this is a kernel build,
diff --git a/arch/arm/include/armv7-a/irq.h b/arch/arm/include/armv7-a/irq.h
index 4393e685b31..ececff0e896 100644
--- a/arch/arm/include/armv7-a/irq.h
+++ b/arch/arm/include/armv7-a/irq.h
@@ -42,6 +42,10 @@
  * Pre-processor Prototypes
  ****************************************************************************/
 
+#ifdef __ghs__
+#  define __ARM_ARCH 7
+#endif
+
 /* IRQ Stack Frame Format:
  *
  * Context is always saved/restored in the same way:
diff --git a/arch/arm/include/armv7-m/irq.h b/arch/arm/include/armv7-m/irq.h
index 1fd9d48a67d..4944ba6983d 100644
--- a/arch/arm/include/armv7-m/irq.h
+++ b/arch/arm/include/armv7-m/irq.h
@@ -42,6 +42,10 @@
  * Pre-processor Prototypes
  ****************************************************************************/
 
+#ifdef __ghs__
+#  define __ARM_ARCH 7
+#endif
+
 /* Configuration ************************************************************/
 
 /* If this is a kernel build, how many nested system calls should we
diff --git a/arch/arm/include/armv7-r/irq.h b/arch/arm/include/armv7-r/irq.h
index e3563f9f0f0..b50795545a6 100644
--- a/arch/arm/include/armv7-r/irq.h
+++ b/arch/arm/include/armv7-r/irq.h
@@ -42,6 +42,10 @@
  * Pre-processor Prototypes
  ****************************************************************************/
 
+#ifdef __ghs__
+#  define __ARM_ARCH 7
+#endif
+
 /* IRQ Stack Frame Format:
  *
  * Context is always saved/restored in the same way:
diff --git a/arch/arm/include/armv8-m/irq.h b/arch/arm/include/armv8-m/irq.h
index 97f8ba97714..32aefa0980e 100644
--- a/arch/arm/include/armv8-m/irq.h
+++ b/arch/arm/include/armv8-m/irq.h
@@ -42,6 +42,10 @@
  * Pre-processor Prototypes
  ****************************************************************************/
 
+#ifdef __ghs__
+#  define __ARM_ARCH 8
+#endif
+
 /* Configuration ************************************************************/
 
 /* If this is a kernel build, how many nested system calls should we
diff --git a/arch/arm/include/armv8-r/irq.h b/arch/arm/include/armv8-r/irq.h
index 1f26a003d8d..91557517bd2 100644
--- a/arch/arm/include/armv8-r/irq.h
+++ b/arch/arm/include/armv8-r/irq.h
@@ -42,6 +42,10 @@
  * Pre-processor Prototypes
  ****************************************************************************/
 
+#ifdef __ghs__
+#  define __ARM_ARCH 8
+#endif
+
 /* IRQ Stack Frame Format:
  *
  * Context is always saved/restored in the same way:
diff --git a/arch/arm/include/irq.h b/arch/arm/include/irq.h
index 6334638455a..066be261d8a 100644
--- a/arch/arm/include/irq.h
+++ b/arch/arm/include/irq.h
@@ -75,6 +75,10 @@
  * Pre-processor Prototypes
  ****************************************************************************/
 
+#if defined(__ghs__) && defined(__ARM_DSP__)
+#  define __ARM_FEATURE_DSP 1
+#endif
+
 #ifndef __ASSEMBLY__
 
 #ifndef up_switch_context
diff --git a/arch/arm64/include/irq.h b/arch/arm64/include/irq.h
index 820be30c7fe..a47544d7f26 100644
--- a/arch/arm64/include/irq.h
+++ b/arch/arm64/include/irq.h
@@ -49,6 +49,10 @@
  * Pre-processor Prototypes
  ****************************************************************************/
 
+#ifdef __ghs__
+#  define __ARM_ARCH 8
+#endif
+
 #define up_getsp()          (uintptr_t)__builtin_frame_address(0)
 
 /* MPIDR_EL1, Multiprocessor Affinity Register */