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Diffstat (limited to 'sys/arm/include/pmc_mdep.h')
| -rw-r--r-- | sys/arm/include/pmc_mdep.h | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/sys/arm/include/pmc_mdep.h b/sys/arm/include/pmc_mdep.h new file mode 100644 index 000000000000..5bafb253e7e4 --- /dev/null +++ b/sys/arm/include/pmc_mdep.h @@ -0,0 +1,79 @@ +/*- + * SPDX-License-Identifier: BSD-2-Clause + * + * Copyright (c) 2009 Rui Paulo <rpaulo@FreeBSD.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _MACHINE_PMC_MDEP_H_ +#define _MACHINE_PMC_MDEP_H_ + +#define PMC_MDEP_CLASS_INDEX_ARMV7 1 +/* + * On the ARM platform we support the following PMCs. + * + * ARMV7 ARM Cortex-A processors + */ +#include <dev/hwpmc/hwpmc_armv7.h> + +union pmc_md_op_pmcallocate { + uint64_t __pad[4]; +}; + +/* Logging */ +#define PMCLOG_READADDR PMCLOG_READ32 +#define PMCLOG_EMITADDR PMCLOG_EMIT32 + +#ifdef _KERNEL +union pmc_md_pmc { + struct pmc_md_armv7_pmc pm_armv7; +}; + +#define PMC_IN_KERNEL_STACK(va) kstack_contains(curthread, (va), sizeof(va)) +#define PMC_IN_KERNEL(va) INKERNEL((va)) +#define PMC_IN_USERSPACE(va) ((va) <= VM_MAXUSER_ADDRESS) + +#define PMC_TRAPFRAME_TO_PC(TF) ((TF)->tf_pc) +#define PMC_TRAPFRAME_TO_FP(TF) ((TF)->tf_r11) +#define PMC_TRAPFRAME_TO_SVC_SP(TF) ((TF)->tf_svc_sp) +#define PMC_TRAPFRAME_TO_USR_SP(TF) ((TF)->tf_usr_sp) +#define PMC_TRAPFRAME_TO_SVC_LR(TF) ((TF)->tf_svc_lr) +#define PMC_TRAPFRAME_TO_USR_LR(TF) ((TF)->tf_usr_lr) + +/* Build a fake kernel trapframe from current instruction pointer. */ +#define PMC_FAKE_TRAPFRAME(TF) \ + do { \ + (TF)->tf_spsr = PSR_SVC32_MODE; \ + __asm __volatile("mov %0, pc" : "=r" ((TF)->tf_pc)); \ + __asm __volatile("mov %0, r11" : "=r" ((TF)->tf_r11)); \ + } while (0) + +/* + * Prototypes + */ +struct pmc_mdep *pmc_armv7_initialize(void); +void pmc_armv7_finalize(struct pmc_mdep *_md); +#endif /* _KERNEL */ + +#endif /* !_MACHINE_PMC_MDEP_H_ */ |