This existing helper function is preferable to the hand-rolled calculation of the kstack bounds. Make some small style improvements while here. Notably, rename every instance of "r", the return address, to "ra". Tidy the includes in the affected files. Reviewed by: jkoshy MFC after: 2 weeks Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D39909
96 lines
3.2 KiB
C
96 lines
3.2 KiB
C
/*-
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* Copyright (c) 2009 Rui Paulo <rpaulo@FreeBSD.org>
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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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* $FreeBSD$
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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_ARMV8 1
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#define PMC_MDEP_CLASS_INDEX_DMC620_CD2 2
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#define PMC_MDEP_CLASS_INDEX_DMC620_C 3
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#define PMC_MDEP_CLASS_INDEX_CMN600 4
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/*
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* On the ARMv8 platform we support the following PMCs.
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*
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* ARMV8 ARM Cortex-A53/57/72 processors
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*/
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#include <dev/hwpmc/hwpmc_arm64.h>
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#include <dev/hwpmc/hwpmc_cmn600.h>
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#include <dev/hwpmc/hwpmc_dmc620.h>
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#include <dev/hwpmc/pmu_dmc620_reg.h>
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#include <machine/cmn600_reg.h>
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union pmc_md_op_pmcallocate {
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struct {
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uint32_t pm_md_config;
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uint32_t pm_md_flags;
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#define PM_MD_RAW_EVENT 0x1
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};
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struct pmc_md_cmn600_pmu_op_pmcallocate pm_cmn600;
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struct pmc_md_dmc620_pmu_op_pmcallocate pm_dmc620;
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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_arm64_pmc pm_arm64;
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struct pmc_md_cmn600_pmc pm_cmn600;
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struct pmc_md_dmc620_pmc pm_dmc620;
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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_elr)
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#define PMC_TRAPFRAME_TO_FP(TF) ((TF)->tf_x[29])
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/*
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* Prototypes
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*/
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struct pmc_mdep *pmc_arm64_initialize(void);
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void pmc_arm64_finalize(struct pmc_mdep *_md);
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/* Optional class for CMN-600 controler's PMU. */
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int pmc_cmn600_initialize(struct pmc_mdep *md);
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void pmc_cmn600_finalize(struct pmc_mdep *_md);
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int pmc_cmn600_nclasses(void);
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/* Optional class for DMC-620 controler's PMU. */
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int pmc_dmc620_initialize_cd2(struct pmc_mdep *md);
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void pmc_dmc620_finalize_cd2(struct pmc_mdep *_md);
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int pmc_dmc620_initialize_c(struct pmc_mdep *md);
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void pmc_dmc620_finalize_c(struct pmc_mdep *_md);
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int pmc_dmc620_nclasses(void);
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#endif /* _KERNEL */
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#endif /* !_MACHINE_PMC_MDEP_H_ */
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