1/*-
2 * Copyright (c) 2009 Rui Paulo <rpaulo@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
17 * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
18 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
20 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
22 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
23 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
24 * POSSIBILITY OF SUCH DAMAGE.
25 *
26 * $FreeBSD$
27 */
28
29#ifndef _MACHINE_PMC_MDEP_H_
30#define	_MACHINE_PMC_MDEP_H_
31
32#define	PMC_MDEP_CLASS_INDEX_RISCV	1
33/*
34 * On the RISC-V platform we don't support any PMCs yet.
35 */
36#include <dev/hwpmc/hwpmc_riscv.h>
37
38union pmc_md_op_pmcallocate {
39	uint64_t		__pad[4];
40};
41
42/* Logging */
43#define	PMCLOG_READADDR		PMCLOG_READ64
44#define	PMCLOG_EMITADDR		PMCLOG_EMIT64
45
46#ifdef	_KERNEL
47union pmc_md_pmc {
48	struct pmc_md_riscv_pmc		pm_riscv;
49};
50
51#define	PMC_IN_KERNEL_STACK(S,START,END)		\
52	((S) >= (START) && (S) < (END))
53#define	PMC_IN_KERNEL(va)		INKERNEL((va))
54#define	PMC_IN_USERSPACE(va)		((va) <= VM_MAXUSER_ADDRESS)
55#define	PMC_TRAPFRAME_TO_PC(TF)		((TF)->tf_ra)
56#define	PMC_TRAPFRAME_TO_FP(TF)		(0)	/* stub */
57
58/*
59 * Prototypes
60 */
61struct pmc_mdep *pmc_riscv_initialize(void);
62void	pmc_riscv_finalize(struct pmc_mdep *_md);
63#endif /* _KERNEL */
64
65#endif /* !_MACHINE_PMC_MDEP_H_ */
66