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diff --git a/sys/riscv/include/pmc_mdep.h b/sys/riscv/include/pmc_mdep.h
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+/*-
+ * Copyright (c) 2009 Rui Paulo <rpaulo@FreeBSD.org>
+ * All rights reserved.
+ *
+ * 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 ``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 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 _MACHINE_PMC_MDEP_H_
+#define _MACHINE_PMC_MDEP_H_
+
+#define PMC_MDEP_CLASS_INDEX_RISCV 1
+/*
+ * On the RISC-V platform we don't support any PMCs yet.
+ */
+#include <dev/hwpmc/hwpmc_riscv.h>
+
+union pmc_md_op_pmcallocate {
+ uint64_t __pad[4];
+};
+
+/* Logging */
+#define PMCLOG_READADDR PMCLOG_READ64
+#define PMCLOG_EMITADDR PMCLOG_EMIT64
+
+#ifdef _KERNEL
+union pmc_md_pmc {
+ struct pmc_md_riscv_pmc pm_riscv;
+};
+
+#define PMC_IN_KERNEL_STACK(S,START,END) \
+ ((S) >= (START) && (S) < (END))
+#define PMC_IN_KERNEL(va) INKERNEL((va))
+#define PMC_IN_USERSPACE(va) ((va) <= VM_MAXUSER_ADDRESS)
+#define PMC_TRAPFRAME_TO_PC(TF) ((TF)->tf_ra)
+#define PMC_TRAPFRAME_TO_FP(TF) (0) /* stub */
+
+/*
+ * Prototypes
+ */
+struct pmc_mdep *pmc_riscv_initialize(void);
+void pmc_riscv_finalize(struct pmc_mdep *_md);
+#endif /* _KERNEL */
+
+#endif /* !_MACHINE_PMC_MDEP_H_ */
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