mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-14 07:06:50 +07:00
6ab3d5624e
Signed-off-by: Jörn Engel <joern@wohnheim.fh-wedel.de> Signed-off-by: Adrian Bunk <bunk@stusta.de>
222 lines
4.0 KiB
C
222 lines
4.0 KiB
C
/* kernel/perfmon_fsl_booke.c
|
|
* Freescale Book-E Performance Monitor code
|
|
*
|
|
* Author: Andy Fleming
|
|
* Copyright (c) 2004 Freescale Semiconductor, Inc
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version
|
|
* 2 of the License, or (at your option) any later version.
|
|
*/
|
|
|
|
#include <linux/errno.h>
|
|
#include <linux/sched.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/mm.h>
|
|
#include <linux/stddef.h>
|
|
#include <linux/unistd.h>
|
|
#include <linux/ptrace.h>
|
|
#include <linux/slab.h>
|
|
#include <linux/user.h>
|
|
#include <linux/a.out.h>
|
|
#include <linux/interrupt.h>
|
|
#include <linux/init.h>
|
|
#include <linux/module.h>
|
|
#include <linux/prctl.h>
|
|
|
|
#include <asm/pgtable.h>
|
|
#include <asm/uaccess.h>
|
|
#include <asm/system.h>
|
|
#include <asm/io.h>
|
|
#include <asm/reg.h>
|
|
#include <asm/xmon.h>
|
|
#include <asm/pmc.h>
|
|
|
|
static inline u32 get_pmlca(int ctr);
|
|
static inline void set_pmlca(int ctr, u32 pmlca);
|
|
|
|
static inline u32 get_pmlca(int ctr)
|
|
{
|
|
u32 pmlca;
|
|
|
|
switch (ctr) {
|
|
case 0:
|
|
pmlca = mfpmr(PMRN_PMLCA0);
|
|
break;
|
|
case 1:
|
|
pmlca = mfpmr(PMRN_PMLCA1);
|
|
break;
|
|
case 2:
|
|
pmlca = mfpmr(PMRN_PMLCA2);
|
|
break;
|
|
case 3:
|
|
pmlca = mfpmr(PMRN_PMLCA3);
|
|
break;
|
|
default:
|
|
panic("Bad ctr number\n");
|
|
}
|
|
|
|
return pmlca;
|
|
}
|
|
|
|
static inline void set_pmlca(int ctr, u32 pmlca)
|
|
{
|
|
switch (ctr) {
|
|
case 0:
|
|
mtpmr(PMRN_PMLCA0, pmlca);
|
|
break;
|
|
case 1:
|
|
mtpmr(PMRN_PMLCA1, pmlca);
|
|
break;
|
|
case 2:
|
|
mtpmr(PMRN_PMLCA2, pmlca);
|
|
break;
|
|
case 3:
|
|
mtpmr(PMRN_PMLCA3, pmlca);
|
|
break;
|
|
default:
|
|
panic("Bad ctr number\n");
|
|
}
|
|
}
|
|
|
|
void init_pmc_stop(int ctr)
|
|
{
|
|
u32 pmlca = (PMLCA_FC | PMLCA_FCS | PMLCA_FCU |
|
|
PMLCA_FCM1 | PMLCA_FCM0);
|
|
u32 pmlcb = 0;
|
|
|
|
switch (ctr) {
|
|
case 0:
|
|
mtpmr(PMRN_PMLCA0, pmlca);
|
|
mtpmr(PMRN_PMLCB0, pmlcb);
|
|
break;
|
|
case 1:
|
|
mtpmr(PMRN_PMLCA1, pmlca);
|
|
mtpmr(PMRN_PMLCB1, pmlcb);
|
|
break;
|
|
case 2:
|
|
mtpmr(PMRN_PMLCA2, pmlca);
|
|
mtpmr(PMRN_PMLCB2, pmlcb);
|
|
break;
|
|
case 3:
|
|
mtpmr(PMRN_PMLCA3, pmlca);
|
|
mtpmr(PMRN_PMLCB3, pmlcb);
|
|
break;
|
|
default:
|
|
panic("Bad ctr number!\n");
|
|
}
|
|
}
|
|
|
|
void set_pmc_event(int ctr, int event)
|
|
{
|
|
u32 pmlca;
|
|
|
|
pmlca = get_pmlca(ctr);
|
|
|
|
pmlca = (pmlca & ~PMLCA_EVENT_MASK) |
|
|
((event << PMLCA_EVENT_SHIFT) &
|
|
PMLCA_EVENT_MASK);
|
|
|
|
set_pmlca(ctr, pmlca);
|
|
}
|
|
|
|
void set_pmc_user_kernel(int ctr, int user, int kernel)
|
|
{
|
|
u32 pmlca;
|
|
|
|
pmlca = get_pmlca(ctr);
|
|
|
|
if(user)
|
|
pmlca &= ~PMLCA_FCU;
|
|
else
|
|
pmlca |= PMLCA_FCU;
|
|
|
|
if(kernel)
|
|
pmlca &= ~PMLCA_FCS;
|
|
else
|
|
pmlca |= PMLCA_FCS;
|
|
|
|
set_pmlca(ctr, pmlca);
|
|
}
|
|
|
|
void set_pmc_marked(int ctr, int mark0, int mark1)
|
|
{
|
|
u32 pmlca = get_pmlca(ctr);
|
|
|
|
if(mark0)
|
|
pmlca &= ~PMLCA_FCM0;
|
|
else
|
|
pmlca |= PMLCA_FCM0;
|
|
|
|
if(mark1)
|
|
pmlca &= ~PMLCA_FCM1;
|
|
else
|
|
pmlca |= PMLCA_FCM1;
|
|
|
|
set_pmlca(ctr, pmlca);
|
|
}
|
|
|
|
void pmc_start_ctr(int ctr, int enable)
|
|
{
|
|
u32 pmlca = get_pmlca(ctr);
|
|
|
|
pmlca &= ~PMLCA_FC;
|
|
|
|
if (enable)
|
|
pmlca |= PMLCA_CE;
|
|
else
|
|
pmlca &= ~PMLCA_CE;
|
|
|
|
set_pmlca(ctr, pmlca);
|
|
}
|
|
|
|
void pmc_start_ctrs(int enable)
|
|
{
|
|
u32 pmgc0 = mfpmr(PMRN_PMGC0);
|
|
|
|
pmgc0 &= ~PMGC0_FAC;
|
|
pmgc0 |= PMGC0_FCECE;
|
|
|
|
if (enable)
|
|
pmgc0 |= PMGC0_PMIE;
|
|
else
|
|
pmgc0 &= ~PMGC0_PMIE;
|
|
|
|
mtpmr(PMRN_PMGC0, pmgc0);
|
|
}
|
|
|
|
void pmc_stop_ctrs(void)
|
|
{
|
|
u32 pmgc0 = mfpmr(PMRN_PMGC0);
|
|
|
|
pmgc0 |= PMGC0_FAC;
|
|
|
|
pmgc0 &= ~(PMGC0_PMIE | PMGC0_FCECE);
|
|
|
|
mtpmr(PMRN_PMGC0, pmgc0);
|
|
}
|
|
|
|
void dump_pmcs(void)
|
|
{
|
|
printk("pmgc0: %x\n", mfpmr(PMRN_PMGC0));
|
|
printk("pmc\t\tpmlca\t\tpmlcb\n");
|
|
printk("%8x\t%8x\t%8x\n", mfpmr(PMRN_PMC0),
|
|
mfpmr(PMRN_PMLCA0), mfpmr(PMRN_PMLCB0));
|
|
printk("%8x\t%8x\t%8x\n", mfpmr(PMRN_PMC1),
|
|
mfpmr(PMRN_PMLCA1), mfpmr(PMRN_PMLCB1));
|
|
printk("%8x\t%8x\t%8x\n", mfpmr(PMRN_PMC2),
|
|
mfpmr(PMRN_PMLCA2), mfpmr(PMRN_PMLCB2));
|
|
printk("%8x\t%8x\t%8x\n", mfpmr(PMRN_PMC3),
|
|
mfpmr(PMRN_PMLCA3), mfpmr(PMRN_PMLCB3));
|
|
}
|
|
|
|
EXPORT_SYMBOL(init_pmc_stop);
|
|
EXPORT_SYMBOL(set_pmc_event);
|
|
EXPORT_SYMBOL(set_pmc_user_kernel);
|
|
EXPORT_SYMBOL(set_pmc_marked);
|
|
EXPORT_SYMBOL(pmc_start_ctr);
|
|
EXPORT_SYMBOL(pmc_start_ctrs);
|
|
EXPORT_SYMBOL(pmc_stop_ctrs);
|
|
EXPORT_SYMBOL(dump_pmcs);
|