Index: head/sys/arm/arm/generic_timer.c
===================================================================
--- head/sys/arm/arm/generic_timer.c (revision 280984)
+++ head/sys/arm/arm/generic_timer.c (revision 280985)
@@ -1,401 +1,384 @@
/*-
* Copyright (c) 2011 The FreeBSD Foundation
* Copyright (c) 2013 Ruslan Bukin
* All rights reserved.
*
* Based on mpcore_timer.c developed by Ben Gray
*
* 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.
* 3. The name of the company nor the name of the author may be used to
* endorse or promote products derived from this software without specific
* prior written permission.
*
* 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.
*/
/**
* Cortex-A15 (and probably A7) Generic Timer
*/
#include
__FBSDID("$FreeBSD$");
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#define GT_CTRL_ENABLE (1 << 0)
#define GT_CTRL_INT_MASK (1 << 1)
#define GT_CTRL_INT_STAT (1 << 2)
#define GT_REG_CTRL 0
#define GT_REG_TVAL 1
#define GT_CNTKCTL_PL0PTEN (1 << 9) /* PL0 Physical timer reg access */
#define GT_CNTKCTL_PL0VTEN (1 << 8) /* PL0 Virtual timer reg access */
#define GT_CNTKCTL_EVNTI (0xf << 4) /* Virtual counter event bits */
#define GT_CNTKCTL_EVNTDIR (1 << 3) /* Virtual counter event transition */
#define GT_CNTKCTL_EVNTEN (1 << 2) /* Enables virtual counter events */
#define GT_CNTKCTL_PL0VCTEN (1 << 1) /* PL0 CNTVCT and CNTFRQ access */
#define GT_CNTKCTL_PL0PCTEN (1 << 0) /* PL0 CNTPCT and CNTFRQ access */
struct arm_tmr_softc {
struct resource *res[4];
void *ihl[4];
uint32_t clkfreq;
struct eventtimer et;
bool physical;
};
static struct arm_tmr_softc *arm_tmr_sc = NULL;
static struct resource_spec timer_spec[] = {
{ SYS_RES_IRQ, 0, RF_ACTIVE }, /* Secure */
{ SYS_RES_IRQ, 1, RF_ACTIVE }, /* Non-secure */
{ SYS_RES_IRQ, 2, RF_ACTIVE }, /* Virt */
{ SYS_RES_IRQ, 3, RF_ACTIVE | RF_OPTIONAL }, /* Hyp */
{ -1, 0 }
};
static timecounter_get_t arm_tmr_get_timecount;
static struct timecounter arm_tmr_timecount = {
.tc_name = "ARM MPCore Timecounter",
.tc_get_timecount = arm_tmr_get_timecount,
.tc_poll_pps = NULL,
.tc_counter_mask = ~0u,
.tc_frequency = 0,
.tc_quality = 1000,
};
static int
get_freq(void)
{
- uint32_t val;
-
- /* cntfrq */
- __asm volatile("mrc p15, 0, %0, c14, c0, 0" : "=r" (val));
-
- return (val);
+ return (cp15_cntfrq_get());
}
static long
get_cntxct(bool physical)
{
uint64_t val;
isb();
if (physical)
- /* cntpct */
- __asm volatile("mrrc p15, 0, %Q0, %R0, c14" : "=r" (val));
+ val = cp15_cntpct_get();
else
- /* cntvct */
- __asm volatile("mrrc p15, 1, %Q0, %R0, c14" : "=r" (val));
+ val = cp15_cntvct_get();
return (val);
}
static int
set_ctrl(uint32_t val, bool physical)
{
if (physical)
- /* cntp_ctl */
- __asm volatile("mcr p15, 0, %[val], c14, c2, 1" : :
- [val] "r" (val));
+ cp15_cntp_ctl_set(val);
else
- /* cntv_ctl */
- __asm volatile("mcr p15, 0, %[val], c14, c3, 1" : :
- [val] "r" (val));
+ cp15_cntv_ctl_set(val);
isb();
return (0);
}
static int
set_tval(uint32_t val, bool physical)
{
if (physical)
- /* cntp_tval */
- __asm volatile("mcr p15, 0, %[val], c14, c2, 0" : :
- [val] "r" (val));
+ cp15_cntp_tval_set(val);
else
- /* cntv_tval */
- __asm volatile("mcr p15, 0, %[val], c14, c3, 0" : :
- [val] "r" (val));
+ cp15_cntv_tval_set(val);
isb();
return (0);
}
static int
get_ctrl(bool physical)
{
uint32_t val;
if (physical)
- /* cntp_ctl */
- __asm volatile("mrc p15, 0, %0, c14, c2, 1" : "=r" (val));
+ val = cp15_cntp_ctl_get();
else
- /* cntv_ctl */
- __asm volatile("mrc p15, 0, %0, c14, c3, 1" : "=r" (val));
+ val = cp15_cntv_ctl_get();
return (val);
}
static void
disable_user_access(void)
{
uint32_t cntkctl;
- __asm volatile("mrc p15, 0, %0, c14, c1, 0" : "=r" (cntkctl));
+ cntkctl = cp15_cntkctl_get();
cntkctl &= ~(GT_CNTKCTL_PL0PTEN | GT_CNTKCTL_PL0VTEN |
GT_CNTKCTL_EVNTEN | GT_CNTKCTL_PL0VCTEN | GT_CNTKCTL_PL0PCTEN);
- __asm volatile("mcr p15, 0, %0, c14, c1, 0" : : "r" (cntkctl));
+ cp15_cntkctl_set(cntkctl);
isb();
}
static unsigned
arm_tmr_get_timecount(struct timecounter *tc)
{
return (get_cntxct(arm_tmr_sc->physical));
}
static int
arm_tmr_start(struct eventtimer *et, sbintime_t first, sbintime_t period)
{
struct arm_tmr_softc *sc;
int counts, ctrl;
sc = (struct arm_tmr_softc *)et->et_priv;
if (first != 0) {
counts = ((uint32_t)et->et_frequency * first) >> 32;
ctrl = get_ctrl(sc->physical);
ctrl &= ~GT_CTRL_INT_MASK;
ctrl |= GT_CTRL_ENABLE;
set_tval(counts, sc->physical);
set_ctrl(ctrl, sc->physical);
return (0);
}
return (EINVAL);
}
static int
arm_tmr_stop(struct eventtimer *et)
{
struct arm_tmr_softc *sc;
int ctrl;
sc = (struct arm_tmr_softc *)et->et_priv;
ctrl = get_ctrl(sc->physical);
ctrl &= GT_CTRL_ENABLE;
set_ctrl(ctrl, sc->physical);
return (0);
}
static int
arm_tmr_intr(void *arg)
{
struct arm_tmr_softc *sc;
int ctrl;
sc = (struct arm_tmr_softc *)arg;
ctrl = get_ctrl(sc->physical);
if (ctrl & GT_CTRL_INT_STAT) {
ctrl |= GT_CTRL_INT_MASK;
set_ctrl(ctrl, sc->physical);
}
if (sc->et.et_active)
sc->et.et_event_cb(&sc->et, sc->et.et_arg);
return (FILTER_HANDLED);
}
static int
arm_tmr_probe(device_t dev)
{
if (!ofw_bus_status_okay(dev))
return (ENXIO);
if (!ofw_bus_is_compatible(dev, "arm,armv7-timer"))
return (ENXIO);
device_set_desc(dev, "ARMv7 Generic Timer");
return (BUS_PROBE_DEFAULT);
}
static int
arm_tmr_attach(device_t dev)
{
struct arm_tmr_softc *sc;
phandle_t node;
pcell_t clock;
int error;
int i;
sc = device_get_softc(dev);
if (arm_tmr_sc)
return (ENXIO);
/* Get the base clock frequency */
node = ofw_bus_get_node(dev);
error = OF_getprop(node, "clock-frequency", &clock, sizeof(clock));
if (error > 0) {
sc->clkfreq = fdt32_to_cpu(clock);
}
if (sc->clkfreq == 0) {
/* Try to get clock frequency from timer */
sc->clkfreq = get_freq();
}
if (sc->clkfreq == 0) {
device_printf(dev, "No clock frequency specified\n");
return (ENXIO);
}
if (bus_alloc_resources(dev, timer_spec, sc->res)) {
device_printf(dev, "could not allocate resources\n");
return (ENXIO);
}
sc->physical = true;
arm_tmr_sc = sc;
/* Setup secure, non-secure and virtual IRQs handler */
for (i = 0; i < 3; i++) {
error = bus_setup_intr(dev, sc->res[i], INTR_TYPE_CLK,
arm_tmr_intr, NULL, sc, &sc->ihl[i]);
if (error) {
device_printf(dev, "Unable to alloc int resource.\n");
return (ENXIO);
}
}
disable_user_access();
arm_tmr_timecount.tc_frequency = sc->clkfreq;
tc_init(&arm_tmr_timecount);
sc->et.et_name = "ARM MPCore Eventtimer";
sc->et.et_flags = ET_FLAGS_ONESHOT | ET_FLAGS_PERCPU;
sc->et.et_quality = 1000;
sc->et.et_frequency = sc->clkfreq;
sc->et.et_min_period = (0x00000002LLU << 32) / sc->et.et_frequency;
sc->et.et_max_period = (0xfffffffeLLU << 32) / sc->et.et_frequency;
sc->et.et_start = arm_tmr_start;
sc->et.et_stop = arm_tmr_stop;
sc->et.et_priv = sc;
et_register(&sc->et);
return (0);
}
static device_method_t arm_tmr_methods[] = {
DEVMETHOD(device_probe, arm_tmr_probe),
DEVMETHOD(device_attach, arm_tmr_attach),
{ 0, 0 }
};
static driver_t arm_tmr_driver = {
"generic_timer",
arm_tmr_methods,
sizeof(struct arm_tmr_softc),
};
static devclass_t arm_tmr_devclass;
EARLY_DRIVER_MODULE(timer, simplebus, arm_tmr_driver, arm_tmr_devclass, 0, 0,
BUS_PASS_TIMER + BUS_PASS_ORDER_MIDDLE);
EARLY_DRIVER_MODULE(timer, ofwbus, arm_tmr_driver, arm_tmr_devclass, 0, 0,
BUS_PASS_TIMER + BUS_PASS_ORDER_MIDDLE);
void
DELAY(int usec)
{
int32_t counts, counts_per_usec;
uint32_t first, last;
/*
* Check the timers are setup, if not just
* use a for loop for the meantime
*/
if (arm_tmr_sc == NULL) {
for (; usec > 0; usec--)
for (counts = 200; counts > 0; counts--)
/*
* Prevent gcc from optimizing
* out the loop
*/
cpufunc_nullop();
return;
}
/* Get the number of times to count */
counts_per_usec = ((arm_tmr_timecount.tc_frequency / 1000000) + 1);
/*
* Clamp the timeout at a maximum value (about 32 seconds with
* a 66MHz clock). *Nobody* should be delay()ing for anywhere
* near that length of time and if they are, they should be hung
* out to dry.
*/
if (usec >= (0x80000000U / counts_per_usec))
counts = (0x80000000U / counts_per_usec) - 1;
else
counts = usec * counts_per_usec;
first = get_cntxct(arm_tmr_sc->physical);
while (counts > 0) {
last = get_cntxct(arm_tmr_sc->physical);
counts -= (int32_t)(last - first);
first = last;
}
}
Index: head/sys/arm/include/cpu-v6.h
===================================================================
--- head/sys/arm/include/cpu-v6.h (revision 280984)
+++ head/sys/arm/include/cpu-v6.h (revision 280985)
@@ -1,448 +1,495 @@
/*-
* Copyright 2014 Svatopluk Kraus
* Copyright 2014 Michal Meloun
* 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.
*
* $FreeBSD$
*/
#ifndef MACHINE_CPU_V6_H
#define MACHINE_CPU_V6_H
#include "machine/atomic.h"
#include "machine/cpufunc.h"
#include "machine/cpuinfo.h"
#include "machine/sysreg.h"
#define CPU_ASID_KERNEL 0
vm_offset_t dcache_wb_pou_checked(vm_offset_t, vm_size_t);
vm_offset_t icache_inv_pou_checked(vm_offset_t, vm_size_t);
/*
* Macros to generate CP15 (system control processor) read/write functions.
*/
#define _FX(s...) #s
#define _RF0(fname, aname...) \
static __inline register_t \
fname(void) \
{ \
register_t reg; \
__asm __volatile("mrc\t" _FX(aname): "=r" (reg)); \
return(reg); \
}
+#define _R64F0(fname, aname) \
+static __inline uint64_t \
+fname(void) \
+{ \
+ uint64_t reg; \
+ __asm __volatile("mrrc\t" _FX(aname): "=r" (reg)); \
+ return(reg); \
+}
+
#define _WF0(fname, aname...) \
static __inline void \
fname(void) \
{ \
__asm __volatile("mcr\t" _FX(aname)); \
}
#define _WF1(fname, aname...) \
static __inline void \
fname(register_t reg) \
{ \
__asm __volatile("mcr\t" _FX(aname):: "r" (reg)); \
}
+#define _W64F1(fname, aname...) \
+static __inline void \
+fname(uint64_t reg) \
+{ \
+ __asm __volatile("mcrr\t" _FX(aname):: "r" (reg)); \
+}
+
/*
* Raw CP15 maintenance operations
* !!! not for external use !!!
*/
/* TLB */
_WF0(_CP15_TLBIALL, CP15_TLBIALL) /* Invalidate entire unified TLB */
#if __ARM_ARCH >= 7 && defined SMP
_WF0(_CP15_TLBIALLIS, CP15_TLBIALLIS) /* Invalidate entire unified TLB IS */
#endif
_WF1(_CP15_TLBIASID, CP15_TLBIASID(%0)) /* Invalidate unified TLB by ASID */
#if __ARM_ARCH >= 7 && defined SMP
_WF1(_CP15_TLBIASIDIS, CP15_TLBIASIDIS(%0)) /* Invalidate unified TLB by ASID IS */
#endif
_WF1(_CP15_TLBIMVAA, CP15_TLBIMVAA(%0)) /* Invalidate unified TLB by MVA, all ASID */
#if __ARM_ARCH >= 7 && defined SMP
_WF1(_CP15_TLBIMVAAIS, CP15_TLBIMVAAIS(%0)) /* Invalidate unified TLB by MVA, all ASID IS */
#endif
_WF1(_CP15_TLBIMVA, CP15_TLBIMVA(%0)) /* Invalidate unified TLB by MVA */
_WF1(_CP15_TTB_SET, CP15_TTBR0(%0))
/* Cache and Branch predictor */
_WF0(_CP15_BPIALL, CP15_BPIALL) /* Branch predictor invalidate all */
#if __ARM_ARCH >= 7 && defined SMP
_WF0(_CP15_BPIALLIS, CP15_BPIALLIS) /* Branch predictor invalidate all IS */
#endif
_WF1(_CP15_BPIMVA, CP15_BPIMVA(%0)) /* Branch predictor invalidate by MVA */
_WF1(_CP15_DCCIMVAC, CP15_DCCIMVAC(%0)) /* Data cache clean and invalidate by MVA PoC */
_WF1(_CP15_DCCISW, CP15_DCCISW(%0)) /* Data cache clean and invalidate by set/way */
_WF1(_CP15_DCCMVAC, CP15_DCCMVAC(%0)) /* Data cache clean by MVA PoC */
#if __ARM_ARCH >= 7
_WF1(_CP15_DCCMVAU, CP15_DCCMVAU(%0)) /* Data cache clean by MVA PoU */
#endif
_WF1(_CP15_DCCSW, CP15_DCCSW(%0)) /* Data cache clean by set/way */
_WF1(_CP15_DCIMVAC, CP15_DCIMVAC(%0)) /* Data cache invalidate by MVA PoC */
_WF1(_CP15_DCISW, CP15_DCISW(%0)) /* Data cache invalidate by set/way */
_WF0(_CP15_ICIALLU, CP15_ICIALLU) /* Instruction cache invalidate all PoU */
#if __ARM_ARCH >= 7 && defined SMP
_WF0(_CP15_ICIALLUIS, CP15_ICIALLUIS) /* Instruction cache invalidate all PoU IS */
#endif
_WF1(_CP15_ICIMVAU, CP15_ICIMVAU(%0)) /* Instruction cache invalidate */
/*
* Publicly accessible functions
*/
/* Various control registers */
_RF0(cp15_dfsr_get, CP15_DFSR(%0))
_RF0(cp15_ifsr_get, CP15_IFSR(%0))
_WF1(cp15_prrr_set, CP15_PRRR(%0))
_WF1(cp15_nmrr_set, CP15_NMRR(%0))
_RF0(cp15_ttbr_get, CP15_TTBR0(%0))
_RF0(cp15_dfar_get, CP15_DFAR(%0))
#if __ARM_ARCH >= 7
_RF0(cp15_ifar_get, CP15_IFAR(%0))
#endif
/*CPU id registers */
_RF0(cp15_midr_get, CP15_MIDR(%0))
_RF0(cp15_ctr_get, CP15_CTR(%0))
_RF0(cp15_tcmtr_get, CP15_TCMTR(%0))
_RF0(cp15_tlbtr_get, CP15_TLBTR(%0))
_RF0(cp15_mpidr_get, CP15_MPIDR(%0))
_RF0(cp15_revidr_get, CP15_REVIDR(%0))
_RF0(cp15_aidr_get, CP15_AIDR(%0))
_RF0(cp15_id_pfr0_get, CP15_ID_PFR0(%0))
_RF0(cp15_id_pfr1_get, CP15_ID_PFR1(%0))
_RF0(cp15_id_dfr0_get, CP15_ID_DFR0(%0))
_RF0(cp15_id_afr0_get, CP15_ID_AFR0(%0))
_RF0(cp15_id_mmfr0_get, CP15_ID_MMFR0(%0))
_RF0(cp15_id_mmfr1_get, CP15_ID_MMFR1(%0))
_RF0(cp15_id_mmfr2_get, CP15_ID_MMFR2(%0))
_RF0(cp15_id_mmfr3_get, CP15_ID_MMFR3(%0))
_RF0(cp15_id_isar0_get, CP15_ID_ISAR0(%0))
_RF0(cp15_id_isar1_get, CP15_ID_ISAR1(%0))
_RF0(cp15_id_isar2_get, CP15_ID_ISAR2(%0))
_RF0(cp15_id_isar3_get, CP15_ID_ISAR3(%0))
_RF0(cp15_id_isar4_get, CP15_ID_ISAR4(%0))
_RF0(cp15_id_isar5_get, CP15_ID_ISAR5(%0))
_RF0(cp15_cbar_get, CP15_CBAR(%0))
/* Performance Monitor registers */
#if __ARM_ARCH == 6 && defined(CPU_ARM1176)
_RF0(cp15_pmccntr_get, CP15_PMCCNTR(%0))
_WF1(cp15_pmccntr_set, CP15_PMCCNTR(%0))
#elif __ARM_ARCH > 6
_RF0(cp15_pmcr_get, CP15_PMCR(%0))
_WF1(cp15_pmcr_set, CP15_PMCR(%0))
_RF0(cp15_pmcnten_get, CP15_PMCNTENSET(%0))
_WF1(cp15_pmcnten_set, CP15_PMCNTENSET(%0))
_WF1(cp15_pmcnten_clr, CP15_PMCNTENCLR(%0))
_RF0(cp15_pmovsr_get, CP15_PMOVSR(%0))
_WF1(cp15_pmovsr_set, CP15_PMOVSR(%0))
_WF1(cp15_pmswinc_set, CP15_PMSWINC(%0))
_RF0(cp15_pmselr_get, CP15_PMSELR(%0))
_WF1(cp15_pmselr_set, CP15_PMSELR(%0))
_RF0(cp15_pmccntr_get, CP15_PMCCNTR(%0))
_WF1(cp15_pmccntr_set, CP15_PMCCNTR(%0))
_RF0(cp15_pmxevtyper_get, CP15_PMXEVTYPER(%0))
_WF1(cp15_pmxevtyper_set, CP15_PMXEVTYPER(%0))
_RF0(cp15_pmxevcntr_get, CP15_PMXEVCNTRR(%0))
_WF1(cp15_pmxevcntr_set, CP15_PMXEVCNTRR(%0))
_RF0(cp15_pmuserenr_get, CP15_PMUSERENR(%0))
_WF1(cp15_pmuserenr_set, CP15_PMUSERENR(%0))
_RF0(cp15_pminten_get, CP15_PMINTENSET(%0))
_WF1(cp15_pminten_set, CP15_PMINTENSET(%0))
_WF1(cp15_pminten_clr, CP15_PMINTENCLR(%0))
#endif
_RF0(cp15_tpidrurw_get, CP15_TPIDRURW(%0))
_WF1(cp15_tpidrurw_set, CP15_TPIDRURW(%0))
_RF0(cp15_tpidruro_get, CP15_TPIDRURO(%0))
_WF1(cp15_tpidruro_set, CP15_TPIDRURO(%0))
_RF0(cp15_tpidrpwr_get, CP15_TPIDRPRW(%0))
_WF1(cp15_tpidrpwr_set, CP15_TPIDRPRW(%0))
+
+/* Generic Timer registers - only use when you know the hardware is available */
+_RF0(cp15_cntfrq_get, CP15_CNTFRQ(%0))
+_WF1(cp15_cntfrq_set, CP15_CNTFRQ(%0))
+_RF0(cp15_cntkctl_get, CP15_CNTKCTL(%0))
+_WF1(cp15_cntkctl_set, CP15_CNTKCTL(%0))
+_RF0(cp15_cntp_tval_get, CP15_CNTP_TVAL(%0))
+_WF1(cp15_cntp_tval_set, CP15_CNTP_TVAL(%0))
+_RF0(cp15_cntp_ctl_get, CP15_CNTP_CTL(%0))
+_WF1(cp15_cntp_ctl_set, CP15_CNTP_CTL(%0))
+_RF0(cp15_cntv_tval_get, CP15_CNTV_TVAL(%0))
+_WF1(cp15_cntv_tval_set, CP15_CNTV_TVAL(%0))
+_RF0(cp15_cntv_ctl_get, CP15_CNTV_CTL(%0))
+_WF1(cp15_cntv_ctl_set, CP15_CNTV_CTL(%0))
+_RF0(cp15_cnthctl_get, CP15_CNTHCTL(%0))
+_WF1(cp15_cnthctl_set, CP15_CNTHCTL(%0))
+_RF0(cp15_cnthp_tval_get, CP15_CNTHP_TVAL(%0))
+_WF1(cp15_cnthp_tval_set, CP15_CNTHP_TVAL(%0))
+_RF0(cp15_cnthp_ctl_get, CP15_CNTHP_CTL(%0))
+_WF1(cp15_cnthp_ctl_set, CP15_CNTHP_CTL(%0))
+
+_R64F0(cp15_cntpct_get, CP15_CNTPCT(%Q0, %R0))
+_R64F0(cp15_cntvct_get, CP15_CNTVCT(%Q0, %R0))
+_R64F0(cp15_cntp_cval_get, CP15_CNTP_CVAL(%Q0, %R0))
+_W64F1(cp15_cntp_cval_set, CP15_CNTP_CVAL(%Q0, %R0))
+_R64F0(cp15_cntv_cval_get, CP15_CNTV_CVAL(%Q0, %R0))
+_W64F1(cp15_cntv_cval_set, CP15_CNTV_CVAL(%Q0, %R0))
+_R64F0(cp15_cntvoff_get, CP15_CNTVOFF(%Q0, %R0))
+_W64F1(cp15_cntvoff_set, CP15_CNTVOFF(%Q0, %R0))
+_R64F0(cp15_cnthp_cval_get, CP15_CNTHP_CVAL(%Q0, %R0))
+_W64F1(cp15_cnthp_cval_set, CP15_CNTHP_CVAL(%Q0, %R0))
#undef _FX
#undef _RF0
#undef _WF0
#undef _WF1
/*
* TLB maintenance operations.
*/
/* Local (i.e. not broadcasting ) operations. */
/* Flush all TLB entries (even global). */
static __inline void
tlb_flush_all_local(void)
{
dsb();
_CP15_TLBIALL();
dsb();
}
/* Flush all not global TLB entries. */
static __inline void
tlb_flush_all_ng_local(void)
{
dsb();
_CP15_TLBIASID(CPU_ASID_KERNEL);
dsb();
}
/* Flush single TLB entry (even global). */
static __inline void
tlb_flush_local(vm_offset_t sva)
{
dsb();
_CP15_TLBIMVA((sva & ~PAGE_MASK ) | CPU_ASID_KERNEL);
dsb();
}
/* Flush range of TLB entries (even global). */
static __inline void
tlb_flush_range_local(vm_offset_t sva, vm_size_t size)
{
vm_offset_t va;
vm_offset_t eva = sva + size;
dsb();
for (va = sva; va < eva; va += PAGE_SIZE)
_CP15_TLBIMVA((va & ~PAGE_MASK ) | CPU_ASID_KERNEL);
dsb();
}
/* Broadcasting operations. */
#if __ARM_ARCH >= 7 && defined SMP
static __inline void
tlb_flush_all(void)
{
dsb();
_CP15_TLBIALLIS();
dsb();
}
static __inline void
tlb_flush_all_ng(void)
{
dsb();
_CP15_TLBIASIDIS(CPU_ASID_KERNEL);
dsb();
}
static __inline void
tlb_flush(vm_offset_t sva)
{
dsb();
_CP15_TLBIMVAAIS(sva);
dsb();
}
static __inline void
tlb_flush_range(vm_offset_t sva, vm_size_t size)
{
vm_offset_t va;
vm_offset_t eva = sva + size;
dsb();
for (va = sva; va < eva; va += PAGE_SIZE)
_CP15_TLBIMVAAIS(va);
dsb();
}
#else /* SMP */
#define tlb_flush_all() tlb_flush_all_local()
#define tlb_flush_all_ng() tlb_flush_all_ng_local()
#define tlb_flush(sva) tlb_flush_local(sva)
#define tlb_flush_range(sva, size) tlb_flush_range_local(sva, size)
#endif /* SMP */
/*
* Cache maintenance operations.
*/
/* Sync I and D caches to PoU */
static __inline void
icache_sync(vm_offset_t sva, vm_size_t size)
{
vm_offset_t va;
vm_offset_t eva = sva + size;
dsb();
for (va = sva; va < eva; va += cpuinfo.dcache_line_size) {
#if __ARM_ARCH >= 7 && defined SMP
_CP15_DCCMVAU(va);
#else
_CP15_DCCMVAC(va);
#endif
}
dsb();
#if __ARM_ARCH >= 7 && defined SMP
_CP15_ICIALLUIS();
#else
_CP15_ICIALLU();
#endif
dsb();
isb();
}
/* Invalidate I cache */
static __inline void
icache_inv_all(void)
{
#if __ARM_ARCH >= 7 && defined SMP
_CP15_ICIALLUIS();
#else
_CP15_ICIALLU();
#endif
dsb();
isb();
}
/* Invalidate branch predictor buffer */
static __inline void
bpb_inv_all(void)
{
#if __ARM_ARCH >= 7 && defined SMP
_CP15_BPIALLIS();
#else
_CP15_BPIALL();
#endif
dsb();
isb();
}
/* Write back D-cache to PoU */
static __inline void
dcache_wb_pou(vm_offset_t sva, vm_size_t size)
{
vm_offset_t va;
vm_offset_t eva = sva + size;
dsb();
for (va = sva; va < eva; va += cpuinfo.dcache_line_size) {
#if __ARM_ARCH >= 7 && defined SMP
_CP15_DCCMVAU(va);
#else
_CP15_DCCMVAC(va);
#endif
}
dsb();
}
/* Invalidate D-cache to PoC */
static __inline void
dcache_inv_poc(vm_offset_t sva, vm_paddr_t pa, vm_size_t size)
{
vm_offset_t va;
vm_offset_t eva = sva + size;
/* invalidate L1 first */
for (va = sva; va < eva; va += cpuinfo.dcache_line_size) {
_CP15_DCIMVAC(va);
}
dsb();
/* then L2 */
cpu_l2cache_inv_range(pa, size);
dsb();
/* then L1 again */
for (va = sva; va < eva; va += cpuinfo.dcache_line_size) {
_CP15_DCIMVAC(va);
}
dsb();
}
/* Write back D-cache to PoC */
static __inline void
dcache_wb_poc(vm_offset_t sva, vm_paddr_t pa, vm_size_t size)
{
vm_offset_t va;
vm_offset_t eva = sva + size;
dsb();
for (va = sva; va < eva; va += cpuinfo.dcache_line_size) {
_CP15_DCCMVAC(va);
}
dsb();
cpu_l2cache_wb_range(pa, size);
}
/* Write back and invalidate D-cache to PoC */
static __inline void
dcache_wbinv_poc(vm_offset_t sva, vm_paddr_t pa, vm_size_t size)
{
vm_offset_t va;
vm_offset_t eva = sva + size;
dsb();
/* write back L1 first */
for (va = sva; va < eva; va += cpuinfo.dcache_line_size) {
_CP15_DCCMVAC(va);
}
dsb();
/* then write back and invalidate L2 */
cpu_l2cache_wbinv_range(pa, size);
/* then invalidate L1 */
for (va = sva; va < eva; va += cpuinfo.dcache_line_size) {
_CP15_DCIMVAC(va);
}
dsb();
}
/* Set TTB0 register */
static __inline void
cp15_ttbr_set(uint32_t reg)
{
dsb();
_CP15_TTB_SET(reg);
dsb();
_CP15_BPIALL();
dsb();
isb();
tlb_flush_all_ng_local();
}
#endif /* !MACHINE_CPU_V6_H */
Index: head/sys/arm/include/sysreg.h
===================================================================
--- head/sys/arm/include/sysreg.h (revision 280984)
+++ head/sys/arm/include/sysreg.h (revision 280985)
@@ -1,264 +1,286 @@
/*-
* Copyright 2014 Svatopluk Kraus
* Copyright 2014 Michal Meloun
* 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.
*
* $FreeBSD$
*/
/*
* Macros to make working with the System Control Registers simpler.
*
* Note that when register r0 is hard-coded in these definitions it means the
* cp15 operation neither reads nor writes the register, and r0 is used only
* because some syntatically-valid register name has to appear at that point to
* keep the asm parser happy.
*/
#ifndef MACHINE_SYSREG_H
#define MACHINE_SYSREG_H
#include
/*
* CP15 C0 registers
*/
#define CP15_MIDR(rr) p15, 0, rr, c0, c0, 0 /* Main ID Register */
#define CP15_CTR(rr) p15, 0, rr, c0, c0, 1 /* Cache Type Register */
#define CP15_TCMTR(rr) p15, 0, rr, c0, c0, 2 /* TCM Type Register */
#define CP15_TLBTR(rr) p15, 0, rr, c0, c0, 3 /* TLB Type Register */
#define CP15_MPIDR(rr) p15, 0, rr, c0, c0, 5 /* Multiprocessor Affinity Register */
#define CP15_REVIDR(rr) p15, 0, rr, c0, c0, 6 /* Revision ID Register */
#define CP15_ID_PFR0(rr) p15, 0, rr, c0, c1, 0 /* Processor Feature Register 0 */
#define CP15_ID_PFR1(rr) p15, 0, rr, c0, c1, 1 /* Processor Feature Register 1 */
#define CP15_ID_DFR0(rr) p15, 0, rr, c0, c1, 2 /* Debug Feature Register 0 */
#define CP15_ID_AFR0(rr) p15, 0, rr, c0, c1, 3 /* Auxiliary Feature Register 0 */
#define CP15_ID_MMFR0(rr) p15, 0, rr, c0, c1, 4 /* Memory Model Feature Register 0 */
#define CP15_ID_MMFR1(rr) p15, 0, rr, c0, c1, 5 /* Memory Model Feature Register 1 */
#define CP15_ID_MMFR2(rr) p15, 0, rr, c0, c1, 6 /* Memory Model Feature Register 2 */
#define CP15_ID_MMFR3(rr) p15, 0, rr, c0, c1, 7 /* Memory Model Feature Register 3 */
#define CP15_ID_ISAR0(rr) p15, 0, rr, c0, c2, 0 /* Instruction Set Attribute Register 0 */
#define CP15_ID_ISAR1(rr) p15, 0, rr, c0, c2, 1 /* Instruction Set Attribute Register 1 */
#define CP15_ID_ISAR2(rr) p15, 0, rr, c0, c2, 2 /* Instruction Set Attribute Register 2 */
#define CP15_ID_ISAR3(rr) p15, 0, rr, c0, c2, 3 /* Instruction Set Attribute Register 3 */
#define CP15_ID_ISAR4(rr) p15, 0, rr, c0, c2, 4 /* Instruction Set Attribute Register 4 */
#define CP15_ID_ISAR5(rr) p15, 0, rr, c0, c2, 5 /* Instruction Set Attribute Register 5 */
#define CP15_CCSIDR(rr) p15, 1, rr, c0, c0, 0 /* Cache Size ID Registers */
#define CP15_CLIDR(rr) p15, 1, rr, c0, c0, 1 /* Cache Level ID Register */
#define CP15_AIDR(rr) p15, 1, rr, c0, c0, 7 /* Auxiliary ID Register */
#define CP15_CSSELR(rr) p15, 2, rr, c0, c0, 0 /* Cache Size Selection Register */
/*
* CP15 C1 registers
*/
#define CP15_SCTLR(rr) p15, 0, rr, c1, c0, 0 /* System Control Register */
#define CP15_ACTLR(rr) p15, 0, rr, c1, c0, 1 /* IMPLEMENTATION DEFINED Auxiliary Control Register */
#define CP15_CPACR(rr) p15, 0, rr, c1, c0, 2 /* Coprocessor Access Control Register */
#define CP15_SCR(rr) p15, 0, rr, c1, c1, 0 /* Secure Configuration Register */
#define CP15_SDER(rr) p15, 0, rr, c1, c1, 1 /* Secure Debug Enable Register */
#define CP15_NSACR(rr) p15, 0, rr, c1, c1, 2 /* Non-Secure Access Control Register */
/*
* CP15 C2 registers
*/
#define CP15_TTBR0(rr) p15, 0, rr, c2, c0, 0 /* Translation Table Base Register 0 */
#define CP15_TTBR1(rr) p15, 0, rr, c2, c0, 1 /* Translation Table Base Register 1 */
#define CP15_TTBCR(rr) p15, 0, rr, c2, c0, 2 /* Translation Table Base Control Register */
/*
* CP15 C3 registers
*/
#define CP15_DACR(rr) p15, 0, rr, c3, c0, 0 /* Domain Access Control Register */
/*
* CP15 C5 registers
*/
#define CP15_DFSR(rr) p15, 0, rr, c5, c0, 0 /* Data Fault Status Register */
#if __ARM_ARCH >= 6
/* From ARMv6: */
#define CP15_IFSR(rr) p15, 0, rr, c5, c0, 1 /* Instruction Fault Status Register */
#endif
#if __ARM_ARCH >= 7
/* From ARMv7: */
#define CP15_ADFSR(rr) p15, 0, rr, c5, c1, 0 /* Auxiliary Data Fault Status Register */
#define CP15_AIFSR(rr) p15, 0, rr, c5, c1, 1 /* Auxiliary Instruction Fault Status Register */
#endif
/*
* CP15 C6 registers
*/
#define CP15_DFAR(rr) p15, 0, rr, c6, c0, 0 /* Data Fault Address Register */
#if __ARM_ARCH >= 6
/* From ARMv6k: */
#define CP15_IFAR(rr) p15, 0, rr, c6, c0, 2 /* Instruction Fault Address Register */
#endif
/*
* CP15 C7 registers
*/
#if __ARM_ARCH >= 7 && defined(SMP)
/* From ARMv7: */
#define CP15_ICIALLUIS p15, 0, r0, c7, c1, 0 /* Instruction cache invalidate all PoU, IS */
#define CP15_BPIALLIS p15, 0, r0, c7, c1, 6 /* Branch predictor invalidate all IS */
#endif
#define CP15_PAR p15, 0, r0, c7, c4, 0 /* Physical Address Register */
#define CP15_ICIALLU p15, 0, r0, c7, c5, 0 /* Instruction cache invalidate all PoU */
#define CP15_ICIMVAU(rr) p15, 0, rr, c7, c5, 1 /* Instruction cache invalidate */
#if __ARM_ARCH == 6
/* Deprecated in ARMv7 */
#define CP15_CP15ISB p15, 0, r0, c7, c5, 4 /* ISB */
#endif
#define CP15_BPIALL p15, 0, r0, c7, c5, 6 /* Branch predictor invalidate all */
#define CP15_BPIMVA p15, 0, rr, c7, c5, 7 /* Branch predictor invalidate by MVA */
#if __ARM_ARCH == 6
/* Only ARMv6: */
#define CP15_DCIALL p15, 0, r0, c7, c6, 0 /* Data cache invalidate all */
#endif
#define CP15_DCIMVAC(rr) p15, 0, rr, c7, c6, 1 /* Data cache invalidate by MVA PoC */
#define CP15_DCISW(rr) p15, 0, rr, c7, c6, 2 /* Data cache invalidate by set/way */
#define CP15_ATS1CPR(rr) p15, 0, rr, c7, c8, 0 /* Stage 1 Current state PL1 read */
#define CP15_ATS1CPW(rr) p15, 0, rr, c7, c8, 1 /* Stage 1 Current state PL1 write */
#define CP15_ATS1CUR(rr) p15, 0, rr, c7, c8, 2 /* Stage 1 Current state unprivileged read */
#define CP15_ATS1CUW(rr) p15, 0, rr, c7, c8, 3 /* Stage 1 Current state unprivileged write */
#if __ARM_ARCH >= 7
/* From ARMv7: */
#define CP15_ATS12NSOPR(rr) p15, 0, rr, c7, c8, 4 /* Stages 1 and 2 Non-secure only PL1 read */
#define CP15_ATS12NSOPW(rr) p15, 0, rr, c7, c8, 5 /* Stages 1 and 2 Non-secure only PL1 write */
#define CP15_ATS12NSOUR(rr) p15, 0, rr, c7, c8, 6 /* Stages 1 and 2 Non-secure only unprivileged read */
#define CP15_ATS12NSOUW(rr) p15, 0, rr, c7, c8, 7 /* Stages 1 and 2 Non-secure only unprivileged write */
#endif
#if __ARM_ARCH == 6
/* Only ARMv6: */
#define CP15_DCCALL p15, 0, r0, c7, c10, 0 /* Data cache clean all */
#endif
#define CP15_DCCMVAC(rr) p15, 0, rr, c7, c10, 1 /* Data cache clean by MVA PoC */
#define CP15_DCCSW(rr) p15, 0, rr, c7, c10, 2 /* Data cache clean by set/way */
#if __ARM_ARCH == 6
/* Only ARMv6: */
#define CP15_CP15DSB p15, 0, r0, c7, c10, 4 /* DSB */
#define CP15_CP15DMB p15, 0, r0, c7, c10, 5 /* DMB */
#define CP15_CP15WFI p15, 0, r0, c7, c0, 4 /* WFI */
#endif
#if __ARM_ARCH >= 7
/* From ARMv7: */
#define CP15_DCCMVAU(rr) p15, 0, rr, c7, c11, 1 /* Data cache clean by MVA PoU */
#endif
#if __ARM_ARCH == 6
/* Only ARMv6: */
#define CP15_DCCIALL p15, 0, r0, c7, c14, 0 /* Data cache clean and invalidate all */
#endif
#define CP15_DCCIMVAC(rr) p15, 0, rr, c7, c14, 1 /* Data cache clean and invalidate by MVA PoC */
#define CP15_DCCISW(rr) p15, 0, rr, c7, c14, 2 /* Data cache clean and invalidate by set/way */
/*
* CP15 C8 registers
*/
#if __ARM_ARCH >= 7 && defined(SMP)
/* From ARMv7: */
#define CP15_TLBIALLIS p15, 0, r0, c8, c3, 0 /* Invalidate entire unified TLB IS */
#define CP15_TLBIMVAIS(rr) p15, 0, rr, c8, c3, 1 /* Invalidate unified TLB by MVA IS */
#define CP15_TLBIASIDIS(rr) p15, 0, rr, c8, c3, 2 /* Invalidate unified TLB by ASID IS */
#define CP15_TLBIMVAAIS(rr) p15, 0, rr, c8, c3, 3 /* Invalidate unified TLB by MVA, all ASID IS */
#endif
#define CP15_TLBIALL p15, 0, r0, c8, c7, 0 /* Invalidate entire unified TLB */
#define CP15_TLBIMVA(rr) p15, 0, rr, c8, c7, 1 /* Invalidate unified TLB by MVA */
#define CP15_TLBIASID(rr) p15, 0, rr, c8, c7, 2 /* Invalidate unified TLB by ASID */
#if __ARM_ARCH >= 6
/* From ARMv6: */
#define CP15_TLBIMVAA(rr) p15, 0, rr, c8, c7, 3 /* Invalidate unified TLB by MVA, all ASID */
#endif
/*
* CP15 C9 registers
*/
#if __ARM_ARCH == 6 && defined(CPU_ARM1176)
#define CP15_PMCCNTR(rr) p15, 0, rr, c15, c12, 1 /* PM Cycle Count Register */
#elif __ARM_ARCH > 6
#define CP15_PMCR(rr) p15, 0, rr, c9, c12, 0 /* Performance Monitor Control Register */
#define CP15_PMCNTENSET(rr) p15, 0, rr, c9, c12, 1 /* PM Count Enable Set Register */
#define CP15_PMCNTENCLR(rr) p15, 0, rr, c9, c12, 2 /* PM Count Enable Clear Register */
#define CP15_PMOVSR(rr) p15, 0, rr, c9, c12, 3 /* PM Overflow Flag Status Register */
#define CP15_PMSWINC(rr) p15, 0, rr, c9, c12, 4 /* PM Software Increment Register */
#define CP15_PMSELR(rr) p15, 0, rr, c9, c12, 5 /* PM Event Counter Selection Register */
#define CP15_PMCCNTR(rr) p15, 0, rr, c9, c13, 0 /* PM Cycle Count Register */
#define CP15_PMXEVTYPER(rr) p15, 0, rr, c9, c13, 1 /* PM Event Type Select Register */
#define CP15_PMXEVCNTRR(rr) p15, 0, rr, c9, c13, 2 /* PM Event Count Register */
#define CP15_PMUSERENR(rr) p15, 0, rr, c9, c14, 0 /* PM User Enable Register */
#define CP15_PMINTENSET(rr) p15, 0, rr, c9, c14, 1 /* PM Interrupt Enable Set Register */
#define CP15_PMINTENCLR(rr) p15, 0, rr, c9, c14, 2 /* PM Interrupt Enable Clear Register */
#endif
/*
* CP15 C10 registers
*/
/* Without LPAE this is PRRR, with LPAE it's MAIR0 */
#define CP15_PRRR(rr) p15, 0, rr, c10, c2, 0 /* Primary Region Remap Register */
#define CP15_MAIR0(rr) p15, 0, rr, c10, c2, 0 /* Memory Attribute Indirection Register 0 */
/* Without LPAE this is NMRR, with LPAE it's MAIR1 */
#define CP15_NMRR(rr) p15, 0, rr, c10, c2, 1 /* Normal Memory Remap Register */
#define CP15_MAIR1(rr) p15, 0, rr, c10, c2, 1 /* Memory Attribute Indirection Register 1 */
#define CP15_AMAIR0(rr) p15, 0, rr, c10, c3, 0 /* Auxiliary Memory Attribute Indirection Register 0 */
#define CP15_AMAIR1(rr) p15, 0, rr, c10, c3, 1 /* Auxiliary Memory Attribute Indirection Register 1 */
/*
* CP15 C12 registers
*/
#define CP15_VBAR(rr) p15, 0, rr, c12, c0, 0 /* Vector Base Address Register */
#define CP15_MVBAR(rr) p15, 0, rr, c12, c0, 1 /* Monitor Vector Base Address Register */
#define CP15_ISR(rr) p15, 0, rr, c12, c1, 0 /* Interrupt Status Register */
/*
* CP15 C13 registers
*/
#define CP15_FCSEIDR(rr) p15, 0, rr, c13, c0, 0 /* FCSE Process ID Register */
#define CP15_CONTEXTIDR(rr) p15, 0, rr, c13, c0, 1 /* Context ID Register */
#define CP15_TPIDRURW(rr) p15, 0, rr, c13, c0, 2 /* User Read/Write Thread ID Register */
#define CP15_TPIDRURO(rr) p15, 0, rr, c13, c0, 3 /* User Read-Only Thread ID Register */
#define CP15_TPIDRPRW(rr) p15, 0, rr, c13, c0, 4 /* PL1 only Thread ID Register */
/*
+ * CP15 C14 registers
+ * These are the Generic Timer registers and may be unallocated on some SoCs.
+ * Only use these when you know the Generic Timer is available.
+ */
+#define CP15_CNTFRQ(rr) p15, 0, rr, c14, c0, 0 /* Counter Frequency Register */
+#define CP15_CNTKCTL(rr) p15, 0, rr, c14, c1, 0 /* Timer PL1 Control Register */
+#define CP15_CNTP_TVAL(rr) p15, 0, rr, c14, c2, 0 /* PL1 Physical Timer Value Register */
+#define CP15_CNTP_CTL(rr) p15, 0, rr, c14, c2, 1 /* PL1 Physical Timer Control Register */
+#define CP15_CNTV_TVAL(rr) p15, 0, rr, c14, c3, 0 /* Virtual Timer Value Register */
+#define CP15_CNTV_CTL(rr) p15, 0, rr, c14, c3, 1 /* Virtual Timer Control Register */
+#define CP15_CNTHCTL(rr) p15, 4, rr, c14, c1, 0 /* Timer PL2 Control Register */
+#define CP15_CNTHP_TVAL(rr) p15, 4, rr, c14, c2, 0 /* PL2 Physical Timer Value Register */
+#define CP15_CNTHP_CTL(rr) p15, 4, rr, c14, c2, 1 /* PL2 Physical Timer Control Register */
+/* 64-bit registers for use with mcrr/mrrc */
+#define CP15_CNTPCT(rq, rr) p15, 0, rq, rr, c14 /* Physical Count Register */
+#define CP15_CNTVCT(rq, rr) p15, 1, rq, rr, c14 /* Virtual Count Register */
+#define CP15_CNTP_CVAL(rq, rr) p15, 2, rq, rr, c14 /* PL1 Physical Timer Compare Value Register */
+#define CP15_CNTV_CVAL(rq, rr) p15, 3, rq, rr, c14 /* Virtual Timer Compare Value Register */
+#define CP15_CNTVOFF(rq, rr) p15, 4, rq, rr, c14 /* Virtual Offset Register */
+#define CP15_CNTHP_CVAL(rq, rr) p15, 6, rq, rr, c14 /* PL2 Physical Timer Compare Value Register */
+
+/*
* CP15 C15 registers
*/
#define CP15_CBAR(rr) p15, 4, rr, c15, c0, 0 /* Configuration Base Address Register */
#endif /* !MACHINE_SYSREG_H */