0ede88a413
the PMC_IN_KERNEL() macro definition. Add missing macros to extract the return address (LR) from the trapframe. Discussed with: andrew Obtained from: Cambridge/L41 Sponsored by: DARPA, AFRL MFC after: 2 weeks
86 lines
2.8 KiB
C
86 lines
2.8 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_XSCALE 1
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#define PMC_MDEP_CLASS_INDEX_ARMV7 1
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/*
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* On the ARM platform we support the following PMCs.
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*
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* XSCALE Intel XScale processors
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* ARMV7 ARM Cortex-A processors
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*/
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#include <dev/hwpmc/hwpmc_xscale.h>
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#include <dev/hwpmc/hwpmc_armv7.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_READ32
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#define PMCLOG_EMITADDR PMCLOG_EMIT32
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#ifdef _KERNEL
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union pmc_md_pmc {
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struct pmc_md_xscale_pmc pm_xscale;
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struct pmc_md_armv7_pmc pm_armv7;
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};
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#define PMC_IN_KERNEL_STACK(S,START,END) \
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((S) >= (START) && (S) < (END))
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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_pc)
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#define PMC_TRAPFRAME_TO_FP(TF) ((TF)->tf_r11)
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#define PMC_TRAPFRAME_TO_SVC_SP(TF) ((TF)->tf_svc_sp)
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#define PMC_TRAPFRAME_TO_USR_SP(TF) ((TF)->tf_usr_sp)
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#define PMC_TRAPFRAME_TO_SVC_LR(TF) ((TF)->tf_svc_lr)
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#define PMC_TRAPFRAME_TO_USR_LR(TF) ((TF)->tf_usr_lr)
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/* Build a fake kernel trapframe from current instruction pointer. */
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#define PMC_FAKE_TRAPFRAME(TF) \
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do { \
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__asm __volatile("mov %0, pc" : "=r" ((TF)->tf_pc)); \
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} while (0)
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/*
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* Prototypes
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*/
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struct pmc_mdep *pmc_xscale_initialize(void);
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void pmc_xscale_finalize(struct pmc_mdep *_md);
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struct pmc_mdep *pmc_armv7_initialize(void);
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void pmc_armv7_finalize(struct pmc_mdep *_md);
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#endif /* _KERNEL */
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#endif /* !_MACHINE_PMC_MDEP_H_ */
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