Date: Fri, 23 Mar 2012 00:09:27 +0000 (UTC) From: Oleksandr Tymoshenko <gonzo@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r233334 - head/sys/dev/hwpmc Message-ID: <201203230009.q2N09Rt0048361@svn.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: gonzo Date: Fri Mar 23 00:09:27 2012 New Revision: 233334 URL: http://svn.freebsd.org/changeset/base/233334 Log: Add Octeon PMC hardware backend Added: head/sys/dev/hwpmc/hwpmc_octeon.c (contents, props changed) Added: head/sys/dev/hwpmc/hwpmc_octeon.c ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ head/sys/dev/hwpmc/hwpmc_octeon.c Fri Mar 23 00:09:27 2012 (r233334) @@ -0,0 +1,195 @@ +/*- + * Copyright (c) 2012 Oleksandr Tymoshenko <gonzo@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 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. + * + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/pmc.h> +#include <sys/pmckern.h> + +#include <machine/cpu.h> +#include <machine/cpufunc.h> +#include <machine/pmc_mdep.h> + +#include <contrib/octeon-sdk/cvmx.h> +#include <contrib/octeon-sdk/cvmx-core.h> + +#define OCTEON_PMC_CAPS (PMC_CAP_INTERRUPT | PMC_CAP_USER | \ + PMC_CAP_SYSTEM | PMC_CAP_EDGE | \ + PMC_CAP_THRESHOLD | PMC_CAP_READ | \ + PMC_CAP_WRITE | PMC_CAP_INVERT | \ + PMC_CAP_QUALIFIER) + +const struct mips_event_code_map mips_event_codes[] = +{ + { PMC_EV_OCTEON_CLK, MIPS_CTR_ALL, CVMX_CORE_PERF_CLK }, + { PMC_EV_OCTEON_ISSUE, MIPS_CTR_ALL, CVMX_CORE_PERF_ISSUE }, + { PMC_EV_OCTEON_RET, MIPS_CTR_ALL, CVMX_CORE_PERF_RET }, + { PMC_EV_OCTEON_NISSUE, MIPS_CTR_ALL, CVMX_CORE_PERF_NISSUE }, + { PMC_EV_OCTEON_SISSUE, MIPS_CTR_ALL, CVMX_CORE_PERF_SISSUE }, + { PMC_EV_OCTEON_DISSUE, MIPS_CTR_ALL, CVMX_CORE_PERF_DISSUE }, + { PMC_EV_OCTEON_IFI, MIPS_CTR_ALL, CVMX_CORE_PERF_IFI }, + { PMC_EV_OCTEON_BR, MIPS_CTR_ALL, CVMX_CORE_PERF_BR }, + { PMC_EV_OCTEON_BRMIS, MIPS_CTR_ALL, CVMX_CORE_PERF_BRMIS }, + { PMC_EV_OCTEON_J, MIPS_CTR_ALL, CVMX_CORE_PERF_J }, + { PMC_EV_OCTEON_JMIS, MIPS_CTR_ALL, CVMX_CORE_PERF_JMIS }, + { PMC_EV_OCTEON_REPLAY, MIPS_CTR_ALL, CVMX_CORE_PERF_REPLAY }, + { PMC_EV_OCTEON_IUNA, MIPS_CTR_ALL, CVMX_CORE_PERF_IUNA }, + { PMC_EV_OCTEON_TRAP, MIPS_CTR_ALL, CVMX_CORE_PERF_TRAP }, + { PMC_EV_OCTEON_UULOAD, MIPS_CTR_ALL, CVMX_CORE_PERF_UULOAD }, + { PMC_EV_OCTEON_UUSTORE, MIPS_CTR_ALL, CVMX_CORE_PERF_UUSTORE }, + { PMC_EV_OCTEON_ULOAD, MIPS_CTR_ALL, CVMX_CORE_PERF_ULOAD }, + { PMC_EV_OCTEON_USTORE, MIPS_CTR_ALL, CVMX_CORE_PERF_USTORE }, + { PMC_EV_OCTEON_EC, MIPS_CTR_ALL, CVMX_CORE_PERF_EC }, + { PMC_EV_OCTEON_MC, MIPS_CTR_ALL, CVMX_CORE_PERF_MC }, + { PMC_EV_OCTEON_CC, MIPS_CTR_ALL, CVMX_CORE_PERF_CC }, + { PMC_EV_OCTEON_CSRC, MIPS_CTR_ALL, CVMX_CORE_PERF_CSRC }, + { PMC_EV_OCTEON_CFETCH, MIPS_CTR_ALL, CVMX_CORE_PERF_CFETCH }, + { PMC_EV_OCTEON_CPREF, MIPS_CTR_ALL, CVMX_CORE_PERF_CPREF }, + { PMC_EV_OCTEON_ICA, MIPS_CTR_ALL, CVMX_CORE_PERF_ICA }, + { PMC_EV_OCTEON_II, MIPS_CTR_ALL, CVMX_CORE_PERF_II }, + { PMC_EV_OCTEON_IP, MIPS_CTR_ALL, CVMX_CORE_PERF_IP }, + { PMC_EV_OCTEON_CIMISS, MIPS_CTR_ALL, CVMX_CORE_PERF_CIMISS }, + { PMC_EV_OCTEON_WBUF, MIPS_CTR_ALL, CVMX_CORE_PERF_WBUF }, + { PMC_EV_OCTEON_WDAT, MIPS_CTR_ALL, CVMX_CORE_PERF_WDAT }, + { PMC_EV_OCTEON_WBUFLD, MIPS_CTR_ALL, CVMX_CORE_PERF_WBUFLD }, + { PMC_EV_OCTEON_WBUFFL, MIPS_CTR_ALL, CVMX_CORE_PERF_WBUFFL }, + { PMC_EV_OCTEON_WBUFTR, MIPS_CTR_ALL, CVMX_CORE_PERF_WBUFTR }, + { PMC_EV_OCTEON_BADD, MIPS_CTR_ALL, CVMX_CORE_PERF_BADD }, + { PMC_EV_OCTEON_BADDL2, MIPS_CTR_ALL, CVMX_CORE_PERF_BADDL2 }, + { PMC_EV_OCTEON_BFILL, MIPS_CTR_ALL, CVMX_CORE_PERF_BFILL }, + { PMC_EV_OCTEON_DDIDS, MIPS_CTR_ALL, CVMX_CORE_PERF_DDIDS }, + { PMC_EV_OCTEON_IDIDS, MIPS_CTR_ALL, CVMX_CORE_PERF_IDIDS }, + { PMC_EV_OCTEON_DIDNA, MIPS_CTR_ALL, CVMX_CORE_PERF_DIDNA }, + { PMC_EV_OCTEON_LDS, MIPS_CTR_ALL, CVMX_CORE_PERF_LDS }, + { PMC_EV_OCTEON_LMLDS, MIPS_CTR_ALL, CVMX_CORE_PERF_LMLDS }, + { PMC_EV_OCTEON_IOLDS, MIPS_CTR_ALL, CVMX_CORE_PERF_IOLDS }, + { PMC_EV_OCTEON_DMLDS, MIPS_CTR_ALL, CVMX_CORE_PERF_DMLDS }, + { PMC_EV_OCTEON_STS, MIPS_CTR_ALL, CVMX_CORE_PERF_STS }, + { PMC_EV_OCTEON_LMSTS, MIPS_CTR_ALL, CVMX_CORE_PERF_LMSTS }, + { PMC_EV_OCTEON_IOSTS, MIPS_CTR_ALL, CVMX_CORE_PERF_IOSTS }, + { PMC_EV_OCTEON_IOBDMA, MIPS_CTR_ALL, CVMX_CORE_PERF_IOBDMA }, + { PMC_EV_OCTEON_DTLB, MIPS_CTR_ALL, CVMX_CORE_PERF_DTLB }, + { PMC_EV_OCTEON_DTLBAD, MIPS_CTR_ALL, CVMX_CORE_PERF_DTLBAD }, + { PMC_EV_OCTEON_ITLB, MIPS_CTR_ALL, CVMX_CORE_PERF_ITLB }, + { PMC_EV_OCTEON_SYNC, MIPS_CTR_ALL, CVMX_CORE_PERF_SYNC }, + { PMC_EV_OCTEON_SYNCIOB, MIPS_CTR_ALL, CVMX_CORE_PERF_SYNCIOB }, + { PMC_EV_OCTEON_SYNCW, MIPS_CTR_ALL, CVMX_CORE_PERF_SYNCW }, +}; + +const int mips_event_codes_size = + sizeof(mips_event_codes) / sizeof(mips_event_codes[0]); + +struct mips_pmc_spec mips_pmc_spec = { + .ps_cpuclass = PMC_CLASS_OCTEON, + .ps_cputype = PMC_CPU_MIPS_OCTEON, + .ps_capabilities = OCTEON_PMC_CAPS, + .ps_counter_width = 64 +}; + +/* + * Performance Count Register N + */ +uint64_t +mips_pmcn_read(unsigned int pmc) +{ + uint64_t reg = 0; + + KASSERT(pmc < mips_npmcs, ("[mips,%d] illegal PMC number %d", + __LINE__, pmc)); + + /* The counter value is the next value after the control register. */ + switch (pmc) { + case 0: + CVMX_MF_COP0(reg, COP0_PERFVALUE0); + break; + case 1: + CVMX_MF_COP0(reg, COP0_PERFVALUE1); + break; + default: + return 0; + } + return (reg); +} + +uint64_t +mips_pmcn_write(unsigned int pmc, uint64_t reg) +{ + + KASSERT(pmc < mips_npmcs, ("[mips,%d] illegal PMC number %d", + __LINE__, pmc)); + + switch (pmc) { + case 0: + CVMX_MT_COP0(reg, COP0_PERFVALUE0); + break; + case 1: + CVMX_MT_COP0(reg, COP0_PERFVALUE1); + break; + default: + return 0; + } + return (reg); +} + +uint32_t +mips_get_perfctl(int cpu, int ri, uint32_t event, uint32_t caps) +{ + cvmx_core_perf_control_t control; + + KASSERT(cpu >= 0 && cpu < pmc_cpu_max(), + ("[mips,%d] illegal CPU value %d", __LINE__, cpu)); + KASSERT(ri >= 0 && ri < mips_npmcs, + ("[mips,%d] illegal row index %d", __LINE__, ri)); + + control.s.event = event; + + if (caps & PMC_CAP_SYSTEM) { + control.s.k = 1; + control.s.s = 1; + control.s.ex = 1; + } + + if (caps & PMC_CAP_USER) + control.s.u = 1; + + if ((caps & (PMC_CAP_USER | PMC_CAP_SYSTEM)) == 0) { + control.s.k = 1; + control.s.s = 1; + control.s.u = 1; + control.s.ex = 1; + } + + if (caps & PMC_CAP_INTERRUPT) + control.s.ie = 1; + + PMCDBG(MDP,ALL,2,"mips-allocate ri=%d -> config=0x%x", ri, control.u32); + + return (control.u32); +}
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201203230009.q2N09Rt0048361>