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freebsd
GitHub Repository: freebsd/freebsd-src
 Path: blob/main/sys/riscv/include/pmc_mdep.h
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/*-

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 * Copyright (c) 2009 Rui Paulo <[email protected]>

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 * All rights reserved.

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 *

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 * Redistribution and use in source and binary forms, with or without

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 * modification, are permitted provided that the following conditions

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 * are met:

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 * 1. Redistributions of source code must retain the above copyright

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 *    notice, this list of conditions and the following disclaimer.

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 * 2. Redistributions in binary form must reproduce the above copyright

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 *    notice, this list of conditions and the following disclaimer in the

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 *    documentation and/or other materials provided with the distribution.

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 *

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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR

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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

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 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

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 * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,

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 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES

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 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR

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 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,

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 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN

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 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

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 * POSSIBILITY OF SUCH DAMAGE.

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 */

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#ifndef _MACHINE_PMC_MDEP_H_

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#define	_MACHINE_PMC_MDEP_H_

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#define	PMC_MDEP_CLASS_INDEX_RISCV	1

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/*

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 * On the RISC-V platform we don't support any PMCs yet.

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 */

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#include <dev/hwpmc/hwpmc_riscv.h>

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union pmc_md_op_pmcallocate {

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	uint64_t		__pad[4];

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};

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/* Logging */

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#define	PMCLOG_READADDR		PMCLOG_READ64

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#define	PMCLOG_EMITADDR		PMCLOG_EMIT64

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#ifdef	_KERNEL

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union pmc_md_pmc {

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	struct pmc_md_riscv_pmc		pm_riscv;

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};

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#define	PMC_IN_KERNEL_STACK(va)	kstack_contains(curthread, (va), sizeof(va))

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#define	PMC_IN_KERNEL(va)	INKERNEL((va))

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#define	PMC_IN_USERSPACE(va)	((va) <= VM_MAXUSER_ADDRESS)

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#define	PMC_TRAPFRAME_TO_PC(TF)	((TF)->tf_ra)

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#define	PMC_TRAPFRAME_TO_FP(TF)	(0)	/* stub */

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/*

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 * Prototypes

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 */

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struct pmc_mdep *pmc_riscv_initialize(void);

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void	pmc_riscv_finalize(struct pmc_mdep *_md);

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#endif /* _KERNEL */

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#endif /* !_MACHINE_PMC_MDEP_H_ */

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