diff --git a/os/nil/ports/ARMCMx/nilcore.h b/os/nil/ports/ARMCMx/nilcore.h
index 8cd0d117a..20a43fadf 100644
--- a/os/nil/ports/ARMCMx/nilcore.h
+++ b/os/nil/ports/ARMCMx/nilcore.h
@@ -180,9 +180,11 @@ struct port_intctx {};
 
 /* Includes the sub-architecture-specific part.*/
 #if (CORTEX_MODEL == 0) || (CORTEX_MODEL == 1)
-#include "nilcore_v6m.h"
-#elif (CORTEX_MODEL == 3) || (CORTEX_MODEL == 4)
-#include "nilcore_v7m.h"
+#include "chcore_v6m.h"
+#elif (CORTEX_MODEL == 3) || (CORTEX_MODEL == 4) || (CORTEX_MODEL == 7)
+#include "chcore_v7m.h"
+#else
+#error "unknown Cortex-M variant"
 #endif
 
 #if !defined(_FROM_ASM_)
diff --git a/os/nil/ports/ARMCMx/nilcore_v7m.h b/os/nil/ports/ARMCMx/nilcore_v7m.h
index d6317024e..ae030c273 100644
--- a/os/nil/ports/ARMCMx/nilcore_v7m.h
+++ b/os/nil/ports/ARMCMx/nilcore_v7m.h
@@ -157,12 +157,21 @@
 
 #elif (CORTEX_MODEL == 4)
 #define PORT_ARCHITECTURE_ARM_v7ME
-#define PORT_ARCHITECTURE_NAME          "ARMv7-ME"
+#define PORT_ARCHITECTURE_NAME          "ARMv7E-M"
 #if CORTEX_USE_FPU
 #define PORT_CORE_VARIANT_NAME          "Cortex-M4F"
 #else
 #define PORT_CORE_VARIANT_NAME          "Cortex-M4"
 #endif
+
+#elif (CORTEX_MODEL == 7)
+#define PORT_ARCHITECTURE_ARM_v7ME
+#define PORT_ARCHITECTURE_NAME          "ARMv7E-M"
+#if CORTEX_USE_FPU
+#define PORT_CORE_VARIANT_NAME          "Cortex-M7F"
+#else
+#define PORT_CORE_VARIANT_NAME          "Cortex-M7"
+#endif
 #endif
 
 /**
diff --git a/os/rt/ports/ARMCMx/chcore.h b/os/rt/ports/ARMCMx/chcore.h
index 11d14234e..d1b2dc4fb 100644
--- a/os/rt/ports/ARMCMx/chcore.h
+++ b/os/rt/ports/ARMCMx/chcore.h
@@ -191,8 +191,10 @@ struct context {
 /* Includes the sub-architecture-specific part.*/
 #if (CORTEX_MODEL == 0) || (CORTEX_MODEL == 1)
 #include "chcore_v6m.h"
-#elif (CORTEX_MODEL == 3) || (CORTEX_MODEL == 4)
+#elif (CORTEX_MODEL == 3) || (CORTEX_MODEL == 4) || (CORTEX_MODEL == 7)
 #include "chcore_v7m.h"
+#else
+#error "unknown Cortex-M variant"
 #endif
 
 #if !defined(_FROM_ASM_)
diff --git a/os/rt/ports/ARMCMx/chcore_v7m.h b/os/rt/ports/ARMCMx/chcore_v7m.h
index 37e087102..7898e4e74 100644
--- a/os/rt/ports/ARMCMx/chcore_v7m.h
+++ b/os/rt/ports/ARMCMx/chcore_v7m.h
@@ -157,12 +157,21 @@
 
 #elif (CORTEX_MODEL == 4)
 #define PORT_ARCHITECTURE_ARM_v7ME
-#define PORT_ARCHITECTURE_NAME          "ARMv7-ME"
+#define PORT_ARCHITECTURE_NAME          "ARMv7E-M"
 #if CORTEX_USE_FPU
 #define PORT_CORE_VARIANT_NAME          "Cortex-M4F"
 #else
 #define PORT_CORE_VARIANT_NAME          "Cortex-M4"
 #endif
+
+#elif (CORTEX_MODEL == 7)
+#define PORT_ARCHITECTURE_ARM_v7ME
+#define PORT_ARCHITECTURE_NAME          "ARMv7E-M"
+#if CORTEX_USE_FPU
+#define PORT_CORE_VARIANT_NAME          "Cortex-M7F"
+#else
+#define PORT_CORE_VARIANT_NAME          "Cortex-M7"
+#endif
 #endif
 
 /**