#------------------------------------------------------------------------------ | |
# | |
# Copyright (c) 2011 - 2013, ARM Limited. All rights reserved. | |
# Copyright (c) 2016, Linaro Limited. All rights reserved. | |
# | |
# SPDX-License-Identifier: BSD-2-Clause-Patent | |
# | |
#------------------------------------------------------------------------------ | |
#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 |