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authorMatt Macy <mmacy@FreeBSD.org>2018-06-08 18:09:19 +0000
committerMatt Macy <mmacy@FreeBSD.org>2018-06-08 18:09:19 +0000
commit7bca795ee0448f1a5db6593c1ddd1e8b59f2c3fb (patch)
treeaac56d6874e8fb04dde2f3821b18d1a73d70afcd
parent550c8fa12396ce587d29b7e0da9fcc507566e7cd (diff)
Notes
-rw-r--r--sys/dev/hwpmc/hwpmc_xscale.c675
1 files changed, 0 insertions, 675 deletions
diff --git a/sys/dev/hwpmc/hwpmc_xscale.c b/sys/dev/hwpmc/hwpmc_xscale.c
deleted file mode 100644
index a779c7f898f9..000000000000
--- a/sys/dev/hwpmc/hwpmc_xscale.c
+++ /dev/null
@@ -1,675 +0,0 @@
-/*-
- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
- *
- * 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 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/pmc_mdep.h>
-/*
- * Support for the Intel XScale network processors
- *
- * XScale processors have up to now three generations.
- *
- * The first generation has two PMC; the event selection, interrupt config
- * and overflow flag setup are done by writing to the PMNC register.
- * It also has less monitoring events than the latter generations.
- *
- * The second and third generatiosn have four PMCs, one register for the event
- * selection, one register for the interrupt config and one register for
- * the overflow flags.
- */
-static int xscale_npmcs;
-static int xscale_gen; /* XScale Core generation */
-
-struct xscale_event_code_map {
- enum pmc_event pe_ev;
- uint8_t pe_code;
-};
-
-const struct xscale_event_code_map xscale_event_codes[] = {
- /* 1st and 2nd Generation XScale cores */
- { PMC_EV_XSCALE_IC_FETCH, 0x00 },
- { PMC_EV_XSCALE_IC_MISS, 0x01 },
- { PMC_EV_XSCALE_DATA_DEPENDENCY_STALLED,0x02 },
- { PMC_EV_XSCALE_ITLB_MISS, 0x03 },
- { PMC_EV_XSCALE_DTLB_MISS, 0x04 },
- { PMC_EV_XSCALE_BRANCH_RETIRED, 0x05 },
- { PMC_EV_XSCALE_BRANCH_MISPRED, 0x06 },
- { PMC_EV_XSCALE_INSTR_RETIRED, 0x07 },
- { PMC_EV_XSCALE_DC_FULL_CYCLE, 0x08 },
- { PMC_EV_XSCALE_DC_FULL_CONTIG, 0x09 },
- { PMC_EV_XSCALE_DC_ACCESS, 0x0a },
- { PMC_EV_XSCALE_DC_MISS, 0x0b },
- { PMC_EV_XSCALE_DC_WRITEBACK, 0x0c },
- { PMC_EV_XSCALE_PC_CHANGE, 0x0d },
- /* 3rd Generation XScale cores */
- { PMC_EV_XSCALE_BRANCH_RETIRED_ALL, 0x0e },
- { PMC_EV_XSCALE_INSTR_CYCLE, 0x0f },
- { PMC_EV_XSCALE_CP_STALL, 0x17 },
- { PMC_EV_XSCALE_PC_CHANGE_ALL, 0x18 },
- { PMC_EV_XSCALE_PIPELINE_FLUSH, 0x19 },
- { PMC_EV_XSCALE_BACKEND_STALL, 0x1a },
- { PMC_EV_XSCALE_MULTIPLIER_USE, 0x1b },
- { PMC_EV_XSCALE_MULTIPLIER_STALLED, 0x1c },
- { PMC_EV_XSCALE_DATA_CACHE_STALLED, 0x1e },
- { PMC_EV_XSCALE_L2_CACHE_REQ, 0x20 },
- { PMC_EV_XSCALE_L2_CACHE_MISS, 0x23 },
- { PMC_EV_XSCALE_ADDRESS_BUS_TRANS, 0x40 },
- { PMC_EV_XSCALE_SELF_ADDRESS_BUS_TRANS, 0x41 },
- { PMC_EV_XSCALE_DATA_BUS_TRANS, 0x48 },
-};
-
-/*
- * Per-processor information.
- */
-struct xscale_cpu {
- struct pmc_hw *pc_xscalepmcs;
-};
-
-static struct xscale_cpu **xscale_pcpu;
-
-/*
- * Performance Monitor Control Register
- */
-static __inline uint32_t
-xscale_pmnc_read(void)
-{
- uint32_t reg;
-
- __asm __volatile("mrc p14, 0, %0, c0, c1, 0" : "=r" (reg));
-
- return (reg);
-}
-
-static __inline void
-xscale_pmnc_write(uint32_t reg)
-{
- __asm __volatile("mcr p14, 0, %0, c0, c1, 0" : : "r" (reg));
-}
-
-/*
- * Clock Counter Register
- */
-static __inline uint32_t
-xscale_ccnt_read(void)
-{
- uint32_t reg;
-
- __asm __volatile("mrc p14, 0, %0, c1, c1, 0" : "=r" (reg));
-
- return (reg);
-}
-
-static __inline void
-xscale_ccnt_write(uint32_t reg)
-{
- __asm __volatile("mcr p14, 0, %0, c1, c1, 0" : : "r" (reg));
-}
-
-/*
- * Interrupt Enable Register
- */
-static __inline uint32_t
-xscale_inten_read(void)
-{
- uint32_t reg;
-
- __asm __volatile("mrc p14, 0, %0, c4, c1, 0" : "=r" (reg));
-
- return (reg);
-}
-
-static __inline void
-xscale_inten_write(uint32_t reg)
-{
- __asm __volatile("mcr p14, 0, %0, c4, c1, 0" : : "r" (reg));
-}
-
-/*
- * Overflow Flag Register
- */
-static __inline uint32_t
-xscale_flag_read(void)
-{
- uint32_t reg;
-
- __asm __volatile("mrc p14, 0, %0, c5, c1, 0" : "=r" (reg));
-
- return (reg);
-}
-
-static __inline void
-xscale_flag_write(uint32_t reg)
-{
- __asm __volatile("mcr p14, 0, %0, c5, c1, 0" : : "r" (reg));
-}
-
-/*
- * Event Selection Register
- */
-static __inline uint32_t
-xscale_evtsel_read(void)
-{
- uint32_t reg;
-
- __asm __volatile("mrc p14, 0, %0, c8, c1, 0" : "=r" (reg));
-
- return (reg);
-}
-
-static __inline void
-xscale_evtsel_write(uint32_t reg)
-{
- __asm __volatile("mcr p14, 0, %0, c8, c1, 0" : : "r" (reg));
-}
-
-/*
- * Performance Count Register N
- */
-static uint32_t
-xscale_pmcn_read(unsigned int pmc)
-{
- uint32_t reg = 0;
-
- KASSERT(pmc < 4, ("[xscale,%d] illegal PMC number %d", __LINE__, pmc));
-
- switch (pmc) {
- case 0:
- __asm __volatile("mrc p14, 0, %0, c0, c2, 0" : "=r" (reg));
- break;
- case 1:
- __asm __volatile("mrc p14, 0, %0, c1, c2, 0" : "=r" (reg));
- break;
- case 2:
- __asm __volatile("mrc p14, 0, %0, c2, c2, 0" : "=r" (reg));
- break;
- case 3:
- __asm __volatile("mrc p14, 0, %0, c3, c2, 0" : "=r" (reg));
- break;
- }
-
- return (reg);
-}
-
-static uint32_t
-xscale_pmcn_write(unsigned int pmc, uint32_t reg)
-{
-
- KASSERT(pmc < 4, ("[xscale,%d] illegal PMC number %d", __LINE__, pmc));
-
- switch (pmc) {
- case 0:
- __asm __volatile("mcr p14, 0, %0, c0, c2, 0" : : "r" (reg));
- break;
- case 1:
- __asm __volatile("mcr p14, 0, %0, c1, c2, 0" : : "r" (reg));
- break;
- case 2:
- __asm __volatile("mcr p14, 0, %0, c2, c2, 0" : : "r" (reg));
- break;
- case 3:
- __asm __volatile("mcr p14, 0, %0, c3, c2, 0" : : "r" (reg));
- break;
- }
-
- return (reg);
-}
-
-static int
-xscale_allocate_pmc(int cpu, int ri, struct pmc *pm,
- const struct pmc_op_pmcallocate *a)
-{
- enum pmc_event pe;
- uint32_t caps, config;
- int i;
-
- KASSERT(cpu >= 0 && cpu < pmc_cpu_max(),
- ("[xscale,%d] illegal CPU value %d", __LINE__, cpu));
- KASSERT(ri >= 0 && ri < xscale_npmcs,
- ("[xscale,%d] illegal row index %d", __LINE__, ri));
-
- caps = a->pm_caps;
- if (a->pm_class != PMC_CLASS_XSCALE)
- return (EINVAL);
- pe = a->pm_ev;
- for (i = 0; i < nitems(xscale_event_codes); i++) {
- if (xscale_event_codes[i].pe_ev == pe) {
- config = xscale_event_codes[i].pe_code;
- break;
- }
- }
- if (i == nitems(xscale_event_codes))
- return EINVAL;
- /* Generation 1 has fewer events */
- if (xscale_gen == 1 && i > PMC_EV_XSCALE_PC_CHANGE)
- return EINVAL;
- pm->pm_md.pm_xscale.pm_xscale_evsel = config;
-
- PMCDBG2(MDP,ALL,2,"xscale-allocate ri=%d -> config=0x%x", ri, config);
-
- return 0;
-}
-
-
-static int
-xscale_read_pmc(int cpu, int ri, pmc_value_t *v)
-{
- struct pmc *pm;
- pmc_value_t tmp;
-
- KASSERT(cpu >= 0 && cpu < pmc_cpu_max(),
- ("[xscale,%d] illegal CPU value %d", __LINE__, cpu));
- KASSERT(ri >= 0 && ri < xscale_npmcs,
- ("[xscale,%d] illegal row index %d", __LINE__, ri));
-
- pm = xscale_pcpu[cpu]->pc_xscalepmcs[ri].phw_pmc;
- tmp = xscale_pmcn_read(ri);
- PMCDBG2(MDP,REA,2,"xscale-read id=%d -> %jd", ri, tmp);
- if (PMC_IS_SAMPLING_MODE(PMC_TO_MODE(pm)))
- *v = XSCALE_PERFCTR_VALUE_TO_RELOAD_COUNT(tmp);
- else
- *v = tmp;
-
- return 0;
-}
-
-static int
-xscale_write_pmc(int cpu, int ri, pmc_value_t v)
-{
- struct pmc *pm;
-
- KASSERT(cpu >= 0 && cpu < pmc_cpu_max(),
- ("[xscale,%d] illegal CPU value %d", __LINE__, cpu));
- KASSERT(ri >= 0 && ri < xscale_npmcs,
- ("[xscale,%d] illegal row-index %d", __LINE__, ri));
-
- pm = xscale_pcpu[cpu]->pc_xscalepmcs[ri].phw_pmc;
-
- if (PMC_IS_SAMPLING_MODE(PMC_TO_MODE(pm)))
- v = XSCALE_RELOAD_COUNT_TO_PERFCTR_VALUE(v);
-
- PMCDBG3(MDP,WRI,1,"xscale-write cpu=%d ri=%d v=%jx", cpu, ri, v);
-
- xscale_pmcn_write(ri, v);
-
- return 0;
-}
-
-static int
-xscale_config_pmc(int cpu, int ri, struct pmc *pm)
-{
- struct pmc_hw *phw;
-
- PMCDBG3(MDP,CFG,1, "cpu=%d ri=%d pm=%p", cpu, ri, pm);
-
- KASSERT(cpu >= 0 && cpu < pmc_cpu_max(),
- ("[xscale,%d] illegal CPU value %d", __LINE__, cpu));
- KASSERT(ri >= 0 && ri < xscale_npmcs,
- ("[xscale,%d] illegal row-index %d", __LINE__, ri));
-
- phw = &xscale_pcpu[cpu]->pc_xscalepmcs[ri];
-
- KASSERT(pm == NULL || phw->phw_pmc == NULL,
- ("[xscale,%d] pm=%p phw->pm=%p hwpmc not unconfigured",
- __LINE__, pm, phw->phw_pmc));
-
- phw->phw_pmc = pm;
-
- return 0;
-}
-
-static int
-xscale_start_pmc(int cpu, int ri)
-{
- uint32_t pmnc, config, evtsel;
- struct pmc *pm;
- struct pmc_hw *phw;
-
- phw = &xscale_pcpu[cpu]->pc_xscalepmcs[ri];
- pm = phw->phw_pmc;
- config = pm->pm_md.pm_xscale.pm_xscale_evsel;
-
- /*
- * Configure the event selection.
- *
- * On the XScale 2nd Generation there's no EVTSEL register.
- */
- if (xscale_npmcs == 2) {
- pmnc = xscale_pmnc_read();
- switch (ri) {
- case 0:
- pmnc &= ~XSCALE_PMNC_EVT0_MASK;
- pmnc |= (config << 12) & XSCALE_PMNC_EVT0_MASK;
- break;
- case 1:
- pmnc &= ~XSCALE_PMNC_EVT1_MASK;
- pmnc |= (config << 20) & XSCALE_PMNC_EVT1_MASK;
- break;
- default:
- /* XXX */
- break;
- }
- xscale_pmnc_write(pmnc);
- } else {
- evtsel = xscale_evtsel_read();
- switch (ri) {
- case 0:
- evtsel &= ~XSCALE_EVTSEL_EVT0_MASK;
- evtsel |= config & XSCALE_EVTSEL_EVT0_MASK;
- break;
- case 1:
- evtsel &= ~XSCALE_EVTSEL_EVT1_MASK;
- evtsel |= (config << 8) & XSCALE_EVTSEL_EVT1_MASK;
- break;
- case 2:
- evtsel &= ~XSCALE_EVTSEL_EVT2_MASK;
- evtsel |= (config << 16) & XSCALE_EVTSEL_EVT2_MASK;
- break;
- case 3:
- evtsel &= ~XSCALE_EVTSEL_EVT3_MASK;
- evtsel |= (config << 24) & XSCALE_EVTSEL_EVT3_MASK;
- break;
- default:
- /* XXX */
- break;
- }
- xscale_evtsel_write(evtsel);
- }
- /*
- * Enable the PMC.
- *
- * Note that XScale provides only one bit to enable/disable _all_
- * performance monitoring units.
- */
- pmnc = xscale_pmnc_read();
- pmnc |= XSCALE_PMNC_ENABLE;
- xscale_pmnc_write(pmnc);
-
- return 0;
-}
-
-static int
-xscale_stop_pmc(int cpu, int ri)
-{
- uint32_t pmnc, evtsel;
- struct pmc *pm;
- struct pmc_hw *phw;
-
- phw = &xscale_pcpu[cpu]->pc_xscalepmcs[ri];
- pm = phw->phw_pmc;
-
- /*
- * Disable the PMCs.
- *
- * Note that XScale provides only one bit to enable/disable _all_
- * performance monitoring units.
- */
- pmnc = xscale_pmnc_read();
- pmnc &= ~XSCALE_PMNC_ENABLE;
- xscale_pmnc_write(pmnc);
- /*
- * A value of 0xff makes the corresponding PMU go into
- * power saving mode.
- */
- if (xscale_npmcs == 2) {
- pmnc = xscale_pmnc_read();
- switch (ri) {
- case 0:
- pmnc |= XSCALE_PMNC_EVT0_MASK;
- break;
- case 1:
- pmnc |= XSCALE_PMNC_EVT1_MASK;
- break;
- default:
- /* XXX */
- break;
- }
- xscale_pmnc_write(pmnc);
- } else {
- evtsel = xscale_evtsel_read();
- switch (ri) {
- case 0:
- evtsel |= XSCALE_EVTSEL_EVT0_MASK;
- break;
- case 1:
- evtsel |= XSCALE_EVTSEL_EVT1_MASK;
- break;
- case 2:
- evtsel |= XSCALE_EVTSEL_EVT2_MASK;
- break;
- case 3:
- evtsel |= XSCALE_EVTSEL_EVT3_MASK;
- break;
- default:
- /* XXX */
- break;
- }
- xscale_evtsel_write(evtsel);
- }
-
- return 0;
-}
-
-static int
-xscale_release_pmc(int cpu, int ri, struct pmc *pmc)
-{
- struct pmc_hw *phw;
-
- KASSERT(cpu >= 0 && cpu < pmc_cpu_max(),
- ("[xscale,%d] illegal CPU value %d", __LINE__, cpu));
- KASSERT(ri >= 0 && ri < xscale_npmcs,
- ("[xscale,%d] illegal row-index %d", __LINE__, ri));
-
- phw = &xscale_pcpu[cpu]->pc_xscalepmcs[ri];
- KASSERT(phw->phw_pmc == NULL,
- ("[xscale,%d] PHW pmc %p non-NULL", __LINE__, phw->phw_pmc));
-
- return 0;
-}
-
-static int
-xscale_intr(int cpu, struct trapframe *tf)
-{
- printf("intr\n");
- return 0;
-}
-
-static int
-xscale_describe(int cpu, int ri, struct pmc_info *pi, struct pmc **ppmc)
-{
- int error;
- struct pmc_hw *phw;
- char xscale_name[PMC_NAME_MAX];
-
- KASSERT(cpu >= 0 && cpu < pmc_cpu_max(),
- ("[xscale,%d], illegal CPU %d", __LINE__, cpu));
- KASSERT(ri >= 0 && ri < xscale_npmcs,
- ("[xscale,%d] row-index %d out of range", __LINE__, ri));
-
- phw = &xscale_pcpu[cpu]->pc_xscalepmcs[ri];
- snprintf(xscale_name, sizeof(xscale_name), "XSCALE-%d", ri);
- if ((error = copystr(xscale_name, pi->pm_name, PMC_NAME_MAX,
- NULL)) != 0)
- return error;
- pi->pm_class = PMC_CLASS_XSCALE;
- if (phw->phw_state & PMC_PHW_FLAG_IS_ENABLED) {
- pi->pm_enabled = TRUE;
- *ppmc = phw->phw_pmc;
- } else {
- pi->pm_enabled = FALSE;
- *ppmc = NULL;
- }
-
- return (0);
-}
-
-static int
-xscale_get_config(int cpu, int ri, struct pmc **ppm)
-{
- *ppm = xscale_pcpu[cpu]->pc_xscalepmcs[ri].phw_pmc;
-
- return 0;
-}
-
-/*
- * XXX don't know what we should do here.
- */
-static int
-xscale_switch_in(struct pmc_cpu *pc, struct pmc_process *pp)
-{
- return 0;
-}
-
-static int
-xscale_switch_out(struct pmc_cpu *pc, struct pmc_process *pp)
-{
- return 0;
-}
-
-static int
-xscale_pcpu_init(struct pmc_mdep *md, int cpu)
-{
- int first_ri, i;
- struct pmc_cpu *pc;
- struct xscale_cpu *pac;
- struct pmc_hw *phw;
-
- KASSERT(cpu >= 0 && cpu < pmc_cpu_max(),
- ("[xscale,%d] wrong cpu number %d", __LINE__, cpu));
- PMCDBG1(MDP,INI,1,"xscale-init cpu=%d", cpu);
-
- xscale_pcpu[cpu] = pac = malloc(sizeof(struct xscale_cpu), M_PMC,
- M_WAITOK|M_ZERO);
- pac->pc_xscalepmcs = malloc(sizeof(struct pmc_hw) * xscale_npmcs,
- M_PMC, M_WAITOK|M_ZERO);
- pc = pmc_pcpu[cpu];
- first_ri = md->pmd_classdep[PMC_MDEP_CLASS_INDEX_XSCALE].pcd_ri;
- KASSERT(pc != NULL, ("[xscale,%d] NULL per-cpu pointer", __LINE__));
-
- for (i = 0, phw = pac->pc_xscalepmcs; i < xscale_npmcs; i++, phw++) {
- phw->phw_state = PMC_PHW_FLAG_IS_ENABLED |
- PMC_PHW_CPU_TO_STATE(cpu) | PMC_PHW_INDEX_TO_STATE(i);
- phw->phw_pmc = NULL;
- pc->pc_hwpmcs[i + first_ri] = phw;
- }
-
- /*
- * Disable and put the PMUs into power save mode.
- */
- if (xscale_npmcs == 2) {
- xscale_pmnc_write(XSCALE_PMNC_EVT1_MASK |
- XSCALE_PMNC_EVT0_MASK);
- } else {
- xscale_evtsel_write(XSCALE_EVTSEL_EVT3_MASK |
- XSCALE_EVTSEL_EVT2_MASK | XSCALE_EVTSEL_EVT1_MASK |
- XSCALE_EVTSEL_EVT0_MASK);
- }
-
- return 0;
-}
-
-static int
-xscale_pcpu_fini(struct pmc_mdep *md, int cpu)
-{
- return 0;
-}
-
-struct pmc_mdep *
-pmc_xscale_initialize()
-{
- struct pmc_mdep *pmc_mdep;
- struct pmc_classdep *pcd;
- uint32_t idreg;
-
- /* Get the Core Generation from CP15 */
- __asm __volatile("mrc p15, 0, %0, c0, c0, 0" : "=r" (idreg));
- xscale_gen = (idreg >> 13) & 0x3;
- switch (xscale_gen) {
- case 1:
- xscale_npmcs = 2;
- break;
- case 2:
- case 3:
- xscale_npmcs = 4;
- break;
- default:
- printf("%s: unknown XScale core generation\n", __func__);
- return (NULL);
- }
- PMCDBG1(MDP,INI,1,"xscale-init npmcs=%d", xscale_npmcs);
-
- /*
- * Allocate space for pointers to PMC HW descriptors and for
- * the MDEP structure used by MI code.
- */
- xscale_pcpu = malloc(sizeof(struct xscale_cpu *) * pmc_cpu_max(), M_PMC,
- M_WAITOK|M_ZERO);
-
- /* Just one class */
- pmc_mdep = pmc_mdep_alloc(1);
-
- pmc_mdep->pmd_cputype = PMC_CPU_INTEL_XSCALE;
-
- pcd = &pmc_mdep->pmd_classdep[PMC_MDEP_CLASS_INDEX_XSCALE];
- pcd->pcd_caps = XSCALE_PMC_CAPS;
- pcd->pcd_class = PMC_CLASS_XSCALE;
- pcd->pcd_num = xscale_npmcs;
- pcd->pcd_ri = pmc_mdep->pmd_npmc;
- pcd->pcd_width = 32;
-
- pcd->pcd_allocate_pmc = xscale_allocate_pmc;
- pcd->pcd_config_pmc = xscale_config_pmc;
- pcd->pcd_pcpu_fini = xscale_pcpu_fini;
- pcd->pcd_pcpu_init = xscale_pcpu_init;
- pcd->pcd_describe = xscale_describe;
- pcd->pcd_get_config = xscale_get_config;
- pcd->pcd_read_pmc = xscale_read_pmc;
- pcd->pcd_release_pmc = xscale_release_pmc;
- pcd->pcd_start_pmc = xscale_start_pmc;
- pcd->pcd_stop_pmc = xscale_stop_pmc;
- pcd->pcd_write_pmc = xscale_write_pmc;
-
- pmc_mdep->pmd_intr = xscale_intr;
- pmc_mdep->pmd_switch_in = xscale_switch_in;
- pmc_mdep->pmd_switch_out = xscale_switch_out;
-
- pmc_mdep->pmd_npmc += xscale_npmcs;
-
- return (pmc_mdep);
-}
-
-void
-pmc_xscale_finalize(struct pmc_mdep *md)
-{
-}