diff options
Diffstat (limited to 'sys/dev/hwpmc/hwpmc_ppro.h')
| -rw-r--r-- | sys/dev/hwpmc/hwpmc_ppro.h | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/sys/dev/hwpmc/hwpmc_ppro.h b/sys/dev/hwpmc/hwpmc_ppro.h new file mode 100644 index 0000000..f750735 --- /dev/null +++ b/sys/dev/hwpmc/hwpmc_ppro.h @@ -0,0 +1,83 @@ +/*- + * Copyright (c) 2005, Joseph Koshy + * 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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. + * + * $FreeBSD$ + */ + +/* Machine dependent interfaces */ + +#ifndef _DEV_HWPMC_PPRO_H_ +#define _DEV_HWPMC_PPRO_H_ + +/* Intel PPro, Celeron, P-II, P-III, Pentium-M PMCS */ + +#define P6_NPMCS 3 /* 1 TSC + 2 PMCs */ + +#define P6_EVSEL_CMASK_MASK 0xFF000000 +#define P6_EVSEL_TO_CMASK(C) (((C) & 0xFF) << 24) +#define P6_EVSEL_INV (1 << 23) +#define P6_EVSEL_EN (1 << 22) +#define P6_EVSEL_INT (1 << 20) +#define P6_EVSEL_PC (1 << 19) +#define P6_EVSEL_E (1 << 18) +#define P6_EVSEL_OS (1 << 17) +#define P6_EVSEL_USR (1 << 16) +#define P6_EVSEL_UMASK_MASK 0x0000FF00 +#define P6_EVSEL_TO_UMASK(U) (((U) & 0xFF) << 8) +#define P6_EVSEL_EVENT_SELECT(ES) ((ES) & 0xFF) +#define P6_EVSEL_RESERVED (1 << 21) + +#define P6_MSR_EVSEL0 0x0186 +#define P6_MSR_EVSEL1 0x0187 +#define P6_MSR_PERFCTR0 0x00C1 +#define P6_MSR_PERFCTR1 0x00C2 + +#define P6_PERFCTR_READ_MASK 0xFFFFFFFFFFLL /* 40 bits */ +#define P6_PERFCTR_WRITE_MASK 0xFFFFFFFFU /* 32 bits */ + +#define P6_RELOAD_COUNT_TO_PERFCTR_VALUE(R) (-(R)) +#define P6_PERFCTR_VALUE_TO_RELOAD_COUNT(P) (-(P)) + +#define P6_PMC_HAS_OVERFLOWED(P) ((rdpmc(P) & (1LL << 39)) == 0) + +struct pmc_md_ppro_op_pmcallocate { + uint32_t pm_ppro_config; +}; + +#ifdef _KERNEL + +/* MD extension for 'struct pmc' */ +struct pmc_md_ppro_pmc { + uint32_t pm_ppro_evsel; +}; + +/* + * Prototypes + */ + +int pmc_initialize_p6(struct pmc_mdep *); /* Pentium Pro PMCs */ + +#endif /* _KERNEL */ +#endif /* _DEV_HWPMC_PPRO_H_ */ |
