MFH

Sponsored by:	The FreeBSD Foundation

1 files changed, 51 insertions, 0 deletions

diff --git a/sys/dev/hwpmc/hwpmc_riscv.h b/sys/dev/hwpmc/hwpmc_riscv.h
new file mode 100644
index 0000000..3f1f599
--- /dev/null
+++ b/sys/dev/hwpmc/hwpmc_riscv.h
@@ -0,0 +1,51 @@
+/*-
+ * Copyright (c) 2015 Ruslan Bukin <br@bsdpad.com>
+ * All rights reserved.
+ *
+ * This software was developed by the University of Cambridge Computer
+ * Laboratory with support from ARM Ltd.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef _DEV_HWPMC_RISCV_H_
+#define	_DEV_HWPMC_RISCV_H_
+
+#define	RISCV_PMC_CAPS		(PMC_CAP_INTERRUPT | PMC_CAP_USER |	\
+				 PMC_CAP_SYSTEM | PMC_CAP_EDGE |	\
+				 PMC_CAP_THRESHOLD | PMC_CAP_READ |	\
+				 PMC_CAP_WRITE | PMC_CAP_INVERT |	\
+				 PMC_CAP_QUALIFIER)
+
+#define	RISCV_RELOAD_COUNT_TO_PERFCTR_VALUE(R)	(-(R))
+#define	RISCV_PERFCTR_VALUE_TO_RELOAD_COUNT(P)	(-(P))
+#define	EVENT_ID_MASK	0xFF
+
+#ifdef _KERNEL
+/* MD extension for 'struct pmc' */
+struct pmc_md_riscv_pmc {
+	uint32_t	pm_riscv_evsel;
+};
+#endif /* _KERNEL */
+#endif /* _DEV_HWPMC_RISCV_H_ */