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diff --git a/riscv/sv.cc b/riscv/sv.cc
index 3116ebbfb1ce707d624338822976e2442636ccd7..f5b049cad51cad6eb022cf8baa5a74dda8a91ae2 100644 (file)
--- a/riscv/sv.cc
+++ b/riscv/sv.cc
@@ -20,6 +20,9 @@ uint8_t maxelwidth(uint8_t wid1, uint8_t wid2)
     return std::max(wid1, wid2);
 }
 
+/* convenience routines to map from compact 8-bit to 16-bit format,
+ * for use in new VBLOCK format
+ */
 void sv_regmap_8to16(union sv_reg_csr_entry8 const& r8,
                      union sv_reg_csr_entry &r16)
 {