svn commit: r341081 - stable/12/sys/riscv/include

[Mark Johnston]

Author: markj
Date: Tue Nov 27 17:03:15 2018
New Revision: 341081
URL: https://svnweb.freebsd.org/changeset/base/341081

Log:
  MFC r340400:
  RISC-V: Implement get_cyclecount(9).

Modified:
  stable/12/sys/riscv/include/cpu.h
Directory Properties:
  stable/12/   (props changed)

Modified: stable/12/sys/riscv/include/cpu.h
==============================================================================
--- stable/12/sys/riscv/include/cpu.h	Tue Nov 27 17:02:15 2018	(r341080)
+++ stable/12/sys/riscv/include/cpu.h	Tue Nov 27 17:03:15 2018	(r341081)
@@ -38,6 +38,7 @@
 #define	_MACHINE_CPU_H_
 
 #include <machine/atomic.h>
+#include <machine/cpufunc.h>
 #include <machine/frame.h>
 
 #define	TRAPF_PC(tfp)		((tfp)->tf_ra)
@@ -86,8 +87,7 @@ static __inline uint64_t
 get_cyclecount(void)
 {
 
-	/* TODO: This is bogus */
-	return (1);
+	return (rdcycle());
 }
 
 #endif