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-rw-r--r--pr/include/md/_linux.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/pr/include/md/_linux.h b/pr/include/md/_linux.h
index 2370ab83..80822e7f 100644
--- a/pr/include/md/_linux.h
+++ b/pr/include/md/_linux.h
@@ -61,6 +61,8 @@
#define _PR_SI_ARCHITECTURE "riscv32"
#elif defined(__riscv) && (__riscv_xlen == 64)
#define _PR_SI_ARCHITECTURE "riscv64"
+#elif defined(__arc__)
+#define _PR_SI_ARCHITECTURE "arc"
#else
#error "Unknown CPU architecture"
#endif