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-rw-r--r--nsprpub/pr/include/md/_linux.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/nsprpub/pr/include/md/_linux.h b/nsprpub/pr/include/md/_linux.h
index b4b298b71..2370ab831 100644
--- a/nsprpub/pr/include/md/_linux.h
+++ b/nsprpub/pr/include/md/_linux.h
@@ -57,6 +57,10 @@
#define _PR_SI_ARCHITECTURE "m32r"
#elif defined(__or1k__)
#define _PR_SI_ARCHITECTURE "or1k"
+#elif defined(__riscv) && (__riscv_xlen == 32)
+#define _PR_SI_ARCHITECTURE "riscv32"
+#elif defined(__riscv) && (__riscv_xlen == 64)
+#define _PR_SI_ARCHITECTURE "riscv64"
#else
#error "Unknown CPU architecture"
#endif