| Current Path : /sys/amd64/compile/hs32/modules/usr/src/sys/modules/if_lagg/@/dev/hwpmc/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
| Current File : //sys/amd64/compile/hs32/modules/usr/src/sys/modules/if_lagg/@/dev/hwpmc/hwpmc_mips24k.c |
/*-
* Copyright (c) 2010 George V. Neville-Neil <gnn@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: release/9.1.0/sys/dev/hwpmc/hwpmc_mips24k.c 204635 2010-03-03 15:05:58Z gnn $");
#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/cputypes.h>
#include <machine/pmc_mdep.h>
/*
* Support for MIPS CPUs
*
*/
static int mips24k_npmcs;
struct mips24k_event_code_map {
enum pmc_event pe_ev; /* enum value */
uint8_t pe_counter; /* Which counter this can be counted in. */
uint8_t pe_code; /* numeric code */
};
/*
* MIPS event codes are encoded with a select bit. The
* select bit is used when writing to CP0 so that we
* can select either counter 0/2 or 1/3. The cycle
* and instruction counters are special in that they
* can be counted on either 0/2 or 1/3.
*/
#define MIPS24K_ALL 255 /* Count events in any counter. */
#define MIPS24K_CTR_0 0 /* Counter 0 Event */
#define MIPS24K_CTR_1 1 /* Counter 1 Event */
const struct mips24k_event_code_map mips24k_event_codes[] = {
{ PMC_EV_MIPS24K_CYCLE, MIPS24K_ALL, 0},
{ PMC_EV_MIPS24K_INSTR_EXECUTED, MIPS24K_ALL, 1},
{ PMC_EV_MIPS24K_BRANCH_COMPLETED, MIPS24K_CTR_0, 2},
{ PMC_EV_MIPS24K_BRANCH_MISPRED, MIPS24K_CTR_1, 2},
{ PMC_EV_MIPS24K_RETURN, MIPS24K_CTR_0, 3},
{ PMC_EV_MIPS24K_RETURN_MISPRED, MIPS24K_CTR_1, 3},
{ PMC_EV_MIPS24K_RETURN_NOT_31, MIPS24K_CTR_0, 4},
{ PMC_EV_MIPS24K_RETURN_NOTPRED, MIPS24K_CTR_1, 4},
{ PMC_EV_MIPS24K_ITLB_ACCESS, MIPS24K_CTR_0, 5},
{ PMC_EV_MIPS24K_ITLB_MISS, MIPS24K_CTR_1, 5},
{ PMC_EV_MIPS24K_DTLB_ACCESS, MIPS24K_CTR_0, 6},
{ PMC_EV_MIPS24K_DTLB_MISS, MIPS24K_CTR_1, 6},
{ PMC_EV_MIPS24K_JTLB_IACCESS, MIPS24K_CTR_0, 7},
{ PMC_EV_MIPS24K_JTLB_IMISS, MIPS24K_CTR_1, 7},
{ PMC_EV_MIPS24K_JTLB_DACCESS, MIPS24K_CTR_0, 8},
{ PMC_EV_MIPS24K_JTLB_DMISS, MIPS24K_CTR_1, 8},
{ PMC_EV_MIPS24K_IC_FETCH, MIPS24K_CTR_0, 9},
{ PMC_EV_MIPS24K_IC_MISS, MIPS24K_CTR_1, 9},
{ PMC_EV_MIPS24K_DC_LOADSTORE, MIPS24K_CTR_0, 10},
{ PMC_EV_MIPS24K_DC_WRITEBACK, MIPS24K_CTR_1, 10},
{ PMC_EV_MIPS24K_DC_MISS, MIPS24K_ALL, 11},
/* 12 reserved */
{ PMC_EV_MIPS24K_STORE_MISS, MIPS24K_CTR_0, 13},
{ PMC_EV_MIPS24K_LOAD_MISS, MIPS24K_CTR_1, 13},
{ PMC_EV_MIPS24K_INTEGER_COMPLETED, MIPS24K_CTR_0, 14},
{ PMC_EV_MIPS24K_FP_COMPLETED, MIPS24K_CTR_1, 14},
{ PMC_EV_MIPS24K_LOAD_COMPLETED, MIPS24K_CTR_0, 15},
{ PMC_EV_MIPS24K_STORE_COMPLETED, MIPS24K_CTR_1, 15},
{ PMC_EV_MIPS24K_BARRIER_COMPLETED, MIPS24K_CTR_0, 16},
{ PMC_EV_MIPS24K_MIPS16_COMPLETED, MIPS24K_CTR_1, 16},
{ PMC_EV_MIPS24K_NOP_COMPLETED, MIPS24K_CTR_0, 17},
{ PMC_EV_MIPS24K_INTEGER_MULDIV_COMPLETED, MIPS24K_CTR_1, 17},
{ PMC_EV_MIPS24K_RF_STALL, MIPS24K_CTR_0, 18},
{ PMC_EV_MIPS24K_INSTR_REFETCH, MIPS24K_CTR_1, 18},
{ PMC_EV_MIPS24K_STORE_COND_COMPLETED, MIPS24K_CTR_0, 19},
{ PMC_EV_MIPS24K_STORE_COND_FAILED, MIPS24K_CTR_1, 19},
{ PMC_EV_MIPS24K_ICACHE_REQUESTS, MIPS24K_CTR_0, 20},
{ PMC_EV_MIPS24K_ICACHE_HIT, MIPS24K_CTR_1, 20},
{ PMC_EV_MIPS24K_L2_WRITEBACK, MIPS24K_CTR_0, 21},
{ PMC_EV_MIPS24K_L2_ACCESS, MIPS24K_CTR_1, 21},
{ PMC_EV_MIPS24K_L2_MISS, MIPS24K_CTR_0, 22},
{ PMC_EV_MIPS24K_L2_ERR_CORRECTED, MIPS24K_CTR_1, 22},
{ PMC_EV_MIPS24K_EXCEPTIONS, MIPS24K_CTR_0, 23},
/* Event 23 on COP0 1/3 is undefined */
{ PMC_EV_MIPS24K_RF_CYCLES_STALLED, MIPS24K_CTR_0, 24},
{ PMC_EV_MIPS24K_IFU_CYCLES_STALLED, MIPS24K_CTR_0, 25},
{ PMC_EV_MIPS24K_ALU_CYCLES_STALLED, MIPS24K_CTR_1, 25},
/* Events 26 through 32 undefined or reserved to customers */
{ PMC_EV_MIPS24K_UNCACHED_LOAD, MIPS24K_CTR_0, 33},
{ PMC_EV_MIPS24K_UNCACHED_STORE, MIPS24K_CTR_1, 33},
{ PMC_EV_MIPS24K_CP2_REG_TO_REG_COMPLETED, MIPS24K_CTR_0, 35},
{ PMC_EV_MIPS24K_MFTC_COMPLETED, MIPS24K_CTR_1, 35},
/* Event 36 reserved */
{ PMC_EV_MIPS24K_IC_BLOCKED_CYCLES, MIPS24K_CTR_0, 37},
{ PMC_EV_MIPS24K_DC_BLOCKED_CYCLES, MIPS24K_CTR_1, 37},
{ PMC_EV_MIPS24K_L2_IMISS_STALL_CYCLES, MIPS24K_CTR_0, 38},
{ PMC_EV_MIPS24K_L2_DMISS_STALL_CYCLES, MIPS24K_CTR_1, 38},
{ PMC_EV_MIPS24K_DMISS_CYCLES, MIPS24K_CTR_0, 39},
{ PMC_EV_MIPS24K_L2_MISS_CYCLES, MIPS24K_CTR_1, 39},
{ PMC_EV_MIPS24K_UNCACHED_BLOCK_CYCLES, MIPS24K_CTR_0, 40},
{ PMC_EV_MIPS24K_MDU_STALL_CYCLES, MIPS24K_CTR_0, 41},
{ PMC_EV_MIPS24K_FPU_STALL_CYCLES, MIPS24K_CTR_1, 41},
{ PMC_EV_MIPS24K_CP2_STALL_CYCLES, MIPS24K_CTR_0, 42},
{ PMC_EV_MIPS24K_COREXTEND_STALL_CYCLES, MIPS24K_CTR_1, 42},
{ PMC_EV_MIPS24K_ISPRAM_STALL_CYCLES, MIPS24K_CTR_0, 43},
{ PMC_EV_MIPS24K_DSPRAM_STALL_CYCLES, MIPS24K_CTR_1, 43},
{ PMC_EV_MIPS24K_CACHE_STALL_CYCLES, MIPS24K_CTR_0, 44},
/* Event 44 undefined on 1/3 */
{ PMC_EV_MIPS24K_LOAD_TO_USE_STALLS, MIPS24K_CTR_0, 45},
{ PMC_EV_MIPS24K_BASE_MISPRED_STALLS, MIPS24K_CTR_1, 45},
{ PMC_EV_MIPS24K_CPO_READ_STALLS, MIPS24K_CTR_0, 46},
{ PMC_EV_MIPS24K_BRANCH_MISPRED_CYCLES, MIPS24K_CTR_1, 46},
/* Event 47 reserved */
{ PMC_EV_MIPS24K_IFETCH_BUFFER_FULL, MIPS24K_CTR_0, 48},
{ PMC_EV_MIPS24K_FETCH_BUFFER_ALLOCATED, MIPS24K_CTR_1, 48},
{ PMC_EV_MIPS24K_EJTAG_ITRIGGER, MIPS24K_CTR_0, 49},
{ PMC_EV_MIPS24K_EJTAG_DTRIGGER, MIPS24K_CTR_1, 49},
{ PMC_EV_MIPS24K_FSB_LT_QUARTER, MIPS24K_CTR_0, 50},
{ PMC_EV_MIPS24K_FSB_QUARTER_TO_HALF, MIPS24K_CTR_1, 50},
{ PMC_EV_MIPS24K_FSB_GT_HALF, MIPS24K_CTR_0, 51},
{ PMC_EV_MIPS24K_FSB_FULL_PIPELINE_STALLS, MIPS24K_CTR_1, 51},
{ PMC_EV_MIPS24K_LDQ_LT_QUARTER, MIPS24K_CTR_0, 52},
{ PMC_EV_MIPS24K_LDQ_QUARTER_TO_HALF, MIPS24K_CTR_1, 52},
{ PMC_EV_MIPS24K_LDQ_GT_HALF, MIPS24K_CTR_0, 53},
{ PMC_EV_MIPS24K_LDQ_FULL_PIPELINE_STALLS, MIPS24K_CTR_1, 53},
{ PMC_EV_MIPS24K_WBB_LT_QUARTER, MIPS24K_CTR_0, 54},
{ PMC_EV_MIPS24K_WBB_QUARTER_TO_HALF, MIPS24K_CTR_1, 54},
{ PMC_EV_MIPS24K_WBB_GT_HALF, MIPS24K_CTR_0, 55},
{ PMC_EV_MIPS24K_WBB_FULL_PIPELINE_STALLS, MIPS24K_CTR_1, 55},
/* Events 56-63 reserved */
{ PMC_EV_MIPS24K_REQUEST_LATENCY, MIPS24K_CTR_0, 61},
{ PMC_EV_MIPS24K_REQUEST_COUNT, MIPS24K_CTR_1, 61}
};
const int mips24k_event_codes_size =
sizeof(mips24k_event_codes) / sizeof(mips24k_event_codes[0]);
/*
* Per-processor information.
*/
struct mips24k_cpu {
struct pmc_hw *pc_mipspmcs;
};
static struct mips24k_cpu **mips24k_pcpu;
/*
* Performance Count Register N
*/
static uint32_t
mips24k_pmcn_read(unsigned int pmc)
{
uint32_t reg = 0;
KASSERT(pmc < mips24k_npmcs, ("[mips,%d] illegal PMC number %d",
__LINE__, pmc));
/* The counter value is the next value after the control register. */
switch (pmc) {
case 0:
reg = mips_rd_perfcnt1();
break;
case 1:
reg = mips_rd_perfcnt3();
break;
default:
return 0;
}
return (reg);
}
static uint32_t
mips24k_pmcn_write(unsigned int pmc, uint32_t reg)
{
KASSERT(pmc < mips24k_npmcs, ("[mips,%d] illegal PMC number %d",
__LINE__, pmc));
switch (pmc) {
case 0:
mips_wr_perfcnt1(reg);
break;
case 1:
mips_wr_perfcnt3(reg);
break;
default:
return 0;
}
return (reg);
}
static int
mips24k_allocate_pmc(int cpu, int ri, struct pmc *pm,
const struct pmc_op_pmcallocate *a)
{
enum pmc_event pe;
uint32_t caps, config, counter;
int i;
KASSERT(cpu >= 0 && cpu < pmc_cpu_max(),
("[mips,%d] illegal CPU value %d", __LINE__, cpu));
KASSERT(ri >= 0 && ri < mips24k_npmcs,
("[mips,%d] illegal row index %d", __LINE__, ri));
caps = a->pm_caps;
if (a->pm_class != PMC_CLASS_MIPS24K)
return (EINVAL);
pe = a->pm_ev;
for (i = 0; i < mips24k_event_codes_size; i++) {
if (mips24k_event_codes[i].pe_ev == pe) {
config = mips24k_event_codes[i].pe_code;
counter = mips24k_event_codes[i].pe_counter;
break;
}
}
if (i == mips24k_event_codes_size)
return (EINVAL);
if ((counter != MIPS24K_ALL) && (counter != ri))
return (EINVAL);
config <<= MIPS24K_PMC_SELECT;
if (caps & PMC_CAP_SYSTEM)
config |= (MIPS24K_PMC_SUPER_ENABLE |
MIPS24K_PMC_KERNEL_ENABLE);
if (caps & PMC_CAP_USER)
config |= MIPS24K_PMC_USER_ENABLE;
if ((caps & (PMC_CAP_USER | PMC_CAP_SYSTEM)) == 0)
config |= MIPS24K_PMC_ENABLE;
pm->pm_md.pm_mips24k.pm_mips24k_evsel = config;
PMCDBG(MDP,ALL,2,"mips-allocate ri=%d -> config=0x%x", ri, config);
return 0;
}
static int
mips24k_read_pmc(int cpu, int ri, pmc_value_t *v)
{
struct pmc *pm;
pmc_value_t tmp;
KASSERT(cpu >= 0 && cpu < pmc_cpu_max(),
("[mips,%d] illegal CPU value %d", __LINE__, cpu));
KASSERT(ri >= 0 && ri < mips24k_npmcs,
("[mips,%d] illegal row index %d", __LINE__, ri));
pm = mips24k_pcpu[cpu]->pc_mipspmcs[ri].phw_pmc;
tmp = mips24k_pmcn_read(ri);
PMCDBG(MDP,REA,2,"mips-read id=%d -> %jd", ri, tmp);
if (PMC_IS_SAMPLING_MODE(PMC_TO_MODE(pm)))
*v = MIPS24K_PERFCTR_VALUE_TO_RELOAD_COUNT(tmp);
else
*v = tmp;
return 0;
}
static int
mips24k_write_pmc(int cpu, int ri, pmc_value_t v)
{
struct pmc *pm;
KASSERT(cpu >= 0 && cpu < pmc_cpu_max(),
("[mips,%d] illegal CPU value %d", __LINE__, cpu));
KASSERT(ri >= 0 && ri < mips24k_npmcs,
("[mips,%d] illegal row-index %d", __LINE__, ri));
pm = mips24k_pcpu[cpu]->pc_mipspmcs[ri].phw_pmc;
if (PMC_IS_SAMPLING_MODE(PMC_TO_MODE(pm)))
v = MIPS24K_RELOAD_COUNT_TO_PERFCTR_VALUE(v);
PMCDBG(MDP,WRI,1,"mips-write cpu=%d ri=%d v=%jx", cpu, ri, v);
mips24k_pmcn_write(ri, v);
return 0;
}
static int
mips24k_config_pmc(int cpu, int ri, struct pmc *pm)
{
struct pmc_hw *phw;
PMCDBG(MDP,CFG,1, "cpu=%d ri=%d pm=%p", cpu, ri, pm);
KASSERT(cpu >= 0 && cpu < pmc_cpu_max(),
("[mips,%d] illegal CPU value %d", __LINE__, cpu));
KASSERT(ri >= 0 && ri < mips24k_npmcs,
("[mips,%d] illegal row-index %d", __LINE__, ri));
phw = &mips24k_pcpu[cpu]->pc_mipspmcs[ri];
KASSERT(pm == NULL || phw->phw_pmc == NULL,
("[mips,%d] pm=%p phw->pm=%p hwpmc not unconfigured",
__LINE__, pm, phw->phw_pmc));
phw->phw_pmc = pm;
return 0;
}
static int
mips24k_start_pmc(int cpu, int ri)
{
uint32_t config;
struct pmc *pm;
struct pmc_hw *phw;
phw = &mips24k_pcpu[cpu]->pc_mipspmcs[ri];
pm = phw->phw_pmc;
config = pm->pm_md.pm_mips24k.pm_mips24k_evsel;
/* Enable the PMC. */
switch (ri) {
case 0:
mips_wr_perfcnt0(config);
break;
case 1:
mips_wr_perfcnt2(config);
break;
default:
break;
}
return 0;
}
static int
mips24k_stop_pmc(int cpu, int ri)
{
struct pmc *pm;
struct pmc_hw *phw;
phw = &mips24k_pcpu[cpu]->pc_mipspmcs[ri];
pm = phw->phw_pmc;
/*
* Disable the PMCs.
*
* Clearing the entire register turns the counter off as well
* as removes the previously sampled event.
*/
switch (ri) {
case 0:
mips_wr_perfcnt0(0);
break;
case 1:
mips_wr_perfcnt2(0);
break;
default:
break;
}
return 0;
}
static int
mips24k_release_pmc(int cpu, int ri, struct pmc *pmc)
{
struct pmc_hw *phw;
KASSERT(cpu >= 0 && cpu < pmc_cpu_max(),
("[mips,%d] illegal CPU value %d", __LINE__, cpu));
KASSERT(ri >= 0 && ri < mips24k_npmcs,
("[mips,%d] illegal row-index %d", __LINE__, ri));
phw = &mips24k_pcpu[cpu]->pc_mipspmcs[ri];
KASSERT(phw->phw_pmc == NULL,
("[mips,%d] PHW pmc %p non-NULL", __LINE__, phw->phw_pmc));
return 0;
}
static int
mips24k_intr(int cpu, struct trapframe *tf)
{
return 0;
}
static int
mips24k_describe(int cpu, int ri, struct pmc_info *pi, struct pmc **ppmc)
{
int error;
struct pmc_hw *phw;
char mips24k_name[PMC_NAME_MAX];
KASSERT(cpu >= 0 && cpu < pmc_cpu_max(),
("[mips,%d], illegal CPU %d", __LINE__, cpu));
KASSERT(ri >= 0 && ri < mips24k_npmcs,
("[mips,%d] row-index %d out of range", __LINE__, ri));
phw = &mips24k_pcpu[cpu]->pc_mipspmcs[ri];
snprintf(mips24k_name, sizeof(mips24k_name), "MIPS-%d", ri);
if ((error = copystr(mips24k_name, pi->pm_name, PMC_NAME_MAX,
NULL)) != 0)
return error;
pi->pm_class = PMC_CLASS_MIPS24K;
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
mips24k_get_config(int cpu, int ri, struct pmc **ppm)
{
*ppm = mips24k_pcpu[cpu]->pc_mipspmcs[ri].phw_pmc;
return 0;
}
/*
* XXX don't know what we should do here.
*/
static int
mips24k_switch_in(struct pmc_cpu *pc, struct pmc_process *pp)
{
return 0;
}
static int
mips24k_switch_out(struct pmc_cpu *pc, struct pmc_process *pp)
{
return 0;
}
static int
mips24k_pcpu_init(struct pmc_mdep *md, int cpu)
{
int first_ri, i;
struct pmc_cpu *pc;
struct mips24k_cpu *pac;
struct pmc_hw *phw;
KASSERT(cpu >= 0 && cpu < pmc_cpu_max(),
("[mips,%d] wrong cpu number %d", __LINE__, cpu));
PMCDBG(MDP,INI,1,"mips-init cpu=%d", cpu);
mips24k_pcpu[cpu] = pac = malloc(sizeof(struct mips24k_cpu), M_PMC,
M_WAITOK|M_ZERO);
pac->pc_mipspmcs = malloc(sizeof(struct pmc_hw) * mips24k_npmcs,
M_PMC, M_WAITOK|M_ZERO);
pc = pmc_pcpu[cpu];
first_ri = md->pmd_classdep[PMC_MDEP_CLASS_INDEX_MIPS24K].pcd_ri;
KASSERT(pc != NULL, ("[mips,%d] NULL per-cpu pointer", __LINE__));
for (i = 0, phw = pac->pc_mipspmcs; i < mips24k_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;
}
/*
* Clear the counter control register which has the effect
* of disabling counting.
*/
for (i = 0; i < mips24k_npmcs; i++)
mips24k_pmcn_write(i, 0);
return 0;
}
static int
mips24k_pcpu_fini(struct pmc_mdep *md, int cpu)
{
return 0;
}
struct pmc_mdep *
pmc_mips24k_initialize()
{
struct pmc_mdep *pmc_mdep;
struct pmc_classdep *pcd;
/*
* Read the counter control registers from CP0
* to determine the number of available PMCs.
* The control registers use bit 31 as a "more" bit.
*
* XXX: With the current macros it is hard to read the
* CP0 registers in any varied way.
*/
mips24k_npmcs = 2;
PMCDBG(MDP,INI,1,"mips-init npmcs=%d", mips24k_npmcs);
/*
* Allocate space for pointers to PMC HW descriptors and for
* the MDEP structure used by MI code.
*/
mips24k_pcpu = malloc(sizeof(struct mips24k_cpu *) * pmc_cpu_max(), M_PMC,
M_WAITOK|M_ZERO);
/* Just one class */
pmc_mdep = malloc(sizeof(struct pmc_mdep) + sizeof(struct pmc_classdep),
M_PMC, M_WAITOK|M_ZERO);
pmc_mdep->pmd_cputype = PMC_CPU_MIPS_24K;
pmc_mdep->pmd_nclass = 1;
pcd = &pmc_mdep->pmd_classdep[PMC_MDEP_CLASS_INDEX_MIPS24K];
pcd->pcd_caps = MIPS24K_PMC_CAPS;
pcd->pcd_class = PMC_CLASS_MIPS24K;
pcd->pcd_num = mips24k_npmcs;
pcd->pcd_ri = pmc_mdep->pmd_npmc;
pcd->pcd_width = 32; /* XXX: Fix for 64 bit MIPS */
pcd->pcd_allocate_pmc = mips24k_allocate_pmc;
pcd->pcd_config_pmc = mips24k_config_pmc;
pcd->pcd_pcpu_fini = mips24k_pcpu_fini;
pcd->pcd_pcpu_init = mips24k_pcpu_init;
pcd->pcd_describe = mips24k_describe;
pcd->pcd_get_config = mips24k_get_config;
pcd->pcd_read_pmc = mips24k_read_pmc;
pcd->pcd_release_pmc = mips24k_release_pmc;
pcd->pcd_start_pmc = mips24k_start_pmc;
pcd->pcd_stop_pmc = mips24k_stop_pmc;
pcd->pcd_write_pmc = mips24k_write_pmc;
pmc_mdep->pmd_intr = mips24k_intr;
pmc_mdep->pmd_switch_in = mips24k_switch_in;
pmc_mdep->pmd_switch_out = mips24k_switch_out;
pmc_mdep->pmd_npmc += mips24k_npmcs;
return (pmc_mdep);
}
void
pmc_mips24k_finalize(struct pmc_mdep *md)
{
(void) md;
}