/*- * Copyright (c) 2012 Oleksandr Tymoshenko * 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 __FBSDID("$FreeBSD: head/sys/dev/hwpmc/hwpmc_octeon.c 232869 2012-03-12 17:25:35Z adrian $"); #include #include #include #include #include #include #include #include #include #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); }