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-rw-r--r--hwaccess.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/hwaccess.h b/hwaccess.h
index af7054b04..5602c1592 100644
--- a/hwaccess.h
+++ b/hwaccess.h
@@ -291,6 +291,10 @@ int libpayload_wrmsr(int addr, msr_t msr);
/* Non memory mapped I/O is not supported on ARM. */
+#elif IS_ARC
+
+/* Non memory mapped I/O is not supported on ARC. */
+
#else
#error Unknown architecture, please check if it supports PCI port IO.