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
27#ifndef _MACHINE_PMC_MDEP_H_
28#define _MACHINE_PMC_MDEP_H_
29
30#define PMC_MDEP_CLASS_INDEX_RISCV 1
31/*
32 * On the RISC-V platform we don't support any PMCs yet.
33 */
34#include <dev/hwpmc/hwpmc_riscv.h>
35
36union pmc_md_op_pmcallocate {
37 uint64_t __pad[4];
38};
39
40/* Logging */
41#define PMCLOG_READADDR PMCLOG_READ64
42#define PMCLOG_EMITADDR PMCLOG_EMIT64
43
44#ifdef _KERNEL
45union pmc_md_pmc {
46 struct pmc_md_riscv_pmc pm_riscv;
47};
48
49#define PMC_IN_KERNEL_STACK(va) kstack_contains(curthread, (va), sizeof(va))
50#define PMC_IN_KERNEL(va) INKERNEL((va))
51#define PMC_IN_USERSPACE(va) ((va) <= VM_MAXUSER_ADDRESS)
52#define PMC_TRAPFRAME_TO_PC(TF) ((TF)->tf_ra)
53#define PMC_TRAPFRAME_TO_FP(TF) (0) /* stub */
54
55/*
56 * Prototypes
57 */
58struct pmc_mdep *pmc_riscv_initialize(void);
59void pmc_riscv_finalize(struct pmc_mdep *_md);
60#endif /* _KERNEL */
61
62#endif /* !_MACHINE_PMC_MDEP_H_ */