#------------------------------------------------------------------------------ # # 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 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