diff --git a/cmd/riscv/sbi.c b/cmd/riscv/sbi.c
index 55507b0..2d8ee7e 100644
--- a/cmd/riscv/sbi.c
+++ b/cmd/riscv/sbi.c
@@ -29,6 +29,8 @@
 	{ 6, "Coffer" },
 	{ 7, "Xen Project" },
 	{ 8, "PolarFire Hart Software Services" },
+	{ 9, "coreboot" },
+	{ 10, "oreboot" },
 };
 
 static struct sbi_ext extensions[] = {