1 files changed, 21 insertions, 0 deletions
diff --git a/src/arch/riscv/include/ipxe/xthead.h b/src/arch/riscv/include/ipxe/xthead.h
new file mode 100644
index 000000000..d0c9449ef
--- /dev/null
+++ b/src/arch/riscv/include/ipxe/xthead.h
@@ -0,0 +1,21 @@
+#ifndef _IPXE_XTHEAD_H
+#define _IPXE_XTHEAD_H
+
+/** @file
+ *
+ * T-Head vendor extensions
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
+
+/** T-Head machine vendor ID */
+#define THEAD_MVENDORID 0x5b7
+
+/** T-Head SXSTATUS CSR */
+#define THEAD_SXSTATUS 0x5c0
+#define THEAD_SXSTATUS_THEADISAEE 0x00400000	/**< General ISA extensions */
+
+extern int xthead_supported ( unsigned long feature );
+
+#endif /* _IPXE_XTHEAD_H */