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#------------------------------------------------------------------------------
#
# Copyright (c) 2011 - 2013, ARM Limited. All rights reserved.
# Copyright (c) 2016, Linaro Limited. All rights reserved.
#
# This program and the accompanying materials
# are licensed and made available under the terms and conditions of the BSD License
# which accompanies this distribution. The full text of the license may be found at
# http://opensource.org/licenses/bsd-license.php
#
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#
#------------------------------------------------------------------------------
#include <AsmMacroIoLibV8.h>
ASM_FUNC(ArmReadCntFrq)
mrs x0, cntfrq_el0 // Read CNTFRQ
ret
# NOTE - Can only write while at highest implemented EL level (EL3 on model). Else ReadOnly (EL2, EL1, EL0)
ASM_FUNC(ArmWriteCntFrq)
msr cntfrq_el0, x0 // Write to CNTFRQ
ret
ASM_FUNC(ArmReadCntPct)
mrs x0, cntpct_el0 // Read CNTPCT (Physical counter register)
ret
ASM_FUNC(ArmReadCntkCtl)
mrs x0, cntkctl_el1 // Read CNTK_CTL (Timer PL1 Control Register)
ret
ASM_FUNC(ArmWriteCntkCtl)
msr cntkctl_el1, x0 // Write to CNTK_CTL (Timer PL1 Control Register)
ret
ASM_FUNC(ArmReadCntpTval)
mrs x0, cntp_tval_el0 // Read CNTP_TVAL (PL1 physical timer value register)
ret
ASM_FUNC(ArmWriteCntpTval)
msr cntp_tval_el0, x0 // Write to CNTP_TVAL (PL1 physical timer value register)
ret
ASM_FUNC(ArmReadCntpCtl)
mrs x0, cntp_ctl_el0 // Read CNTP_CTL (PL1 Physical Timer Control Register)
ret
ASM_FUNC(ArmWriteCntpCtl)
msr cntp_ctl_el0, x0 // Write to CNTP_CTL (PL1 Physical Timer Control Register)
ret
ASM_FUNC(ArmReadCntvTval)
mrs x0, cntv_tval_el0 // Read CNTV_TVAL (Virtual Timer Value register)
ret
ASM_FUNC(ArmWriteCntvTval)
msr cntv_tval_el0, x0 // Write to CNTV_TVAL (Virtual Timer Value register)
ret
ASM_FUNC(ArmReadCntvCtl)
mrs x0, cntv_ctl_el0 // Read CNTV_CTL (Virtual Timer Control Register)
ret
ASM_FUNC(ArmWriteCntvCtl)
msr cntv_ctl_el0, x0 // Write to CNTV_CTL (Virtual Timer Control Register)
ret
ASM_FUNC(ArmReadCntvCt)
mrs x0, cntvct_el0 // Read CNTVCT (Virtual Count Register)
ret
ASM_FUNC(ArmReadCntpCval)
mrs x0, cntp_cval_el0 // Read CNTP_CTVAL (Physical Timer Compare Value Register)
ret
ASM_FUNC(ArmWriteCntpCval)
msr cntp_cval_el0, x0 // Write to CNTP_CTVAL (Physical Timer Compare Value Register)
ret
ASM_FUNC(ArmReadCntvCval)
mrs x0, cntv_cval_el0 // Read CNTV_CTVAL (Virtual Timer Compare Value Register)
ret
ASM_FUNC(ArmWriteCntvCval)
msr cntv_cval_el0, x0 // write to CNTV_CTVAL (Virtual Timer Compare Value Register)
ret
ASM_FUNC(ArmReadCntvOff)
mrs x0, cntvoff_el2 // Read CNTVOFF (virtual Offset register)
ret
ASM_FUNC(ArmWriteCntvOff)
msr cntvoff_el2, x0 // Write to CNTVOFF (Virtual Offset register)
ret
ASM_FUNCTION_REMOVE_IF_UNREFERENCED
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