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/*
* Copyright (c) 2013-2014, ARM Limited and Contributors. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 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.
*
* Neither the name of ARM nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT HOLDER 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.
*/
#include <arch.h>
#include <asm_macros.S>
.globl read_vbar_el1
.globl read_vbar_el2
.globl read_vbar_el3
.globl write_vbar_el1
.globl write_vbar_el2
.globl write_vbar_el3
.globl read_sctlr_el1
.globl read_sctlr_el2
.globl read_sctlr_el3
.globl write_sctlr_el1
.globl write_sctlr_el2
.globl write_sctlr_el3
.globl read_actlr_el1
.globl read_actlr_el2
.globl read_actlr_el3
.globl write_actlr_el1
.globl write_actlr_el2
.globl write_actlr_el3
.globl read_esr_el1
.globl read_esr_el2
.globl read_esr_el3
.globl write_esr_el1
.globl write_esr_el2
.globl write_esr_el3
.globl read_afsr0_el1
.globl read_afsr0_el2
.globl read_afsr0_el3
.globl write_afsr0_el1
.globl write_afsr0_el2
.globl write_afsr0_el3
.globl read_afsr1_el1
.globl read_afsr1_el2
.globl read_afsr1_el3
.globl write_afsr1_el1
.globl write_afsr1_el2
.globl write_afsr1_el3
.globl read_far_el1
.globl read_far_el2
.globl read_far_el3
.globl write_far_el1
.globl write_far_el2
.globl write_far_el3
.globl read_mair_el1
.globl read_mair_el2
.globl read_mair_el3
.globl write_mair_el1
.globl write_mair_el2
.globl write_mair_el3
.globl read_amair_el1
.globl read_amair_el2
.globl read_amair_el3
.globl write_amair_el1
.globl write_amair_el2
.globl write_amair_el3
.globl read_rvbar_el1
.globl read_rvbar_el2
.globl read_rvbar_el3
.globl read_rmr_el1
.globl read_rmr_el2
.globl read_rmr_el3
.globl write_rmr_el1
.globl write_rmr_el2
.globl write_rmr_el3
.globl read_tcr_el1
.globl read_tcr_el2
.globl read_tcr_el3
.globl write_tcr_el1
.globl write_tcr_el2
.globl write_tcr_el3
.globl read_cptr_el2
.globl read_cptr_el3
.globl write_cptr_el2
.globl write_cptr_el3
.globl read_ttbr0_el1
.globl read_ttbr0_el2
.globl read_ttbr0_el3
.globl write_ttbr0_el1
.globl write_ttbr0_el2
.globl write_ttbr0_el3
.globl read_ttbr1_el1
.globl write_ttbr1_el1
.globl read_cpacr
.globl write_cpacr
.globl read_cntfrq
.globl write_cntfrq
.globl read_cpuectlr
.globl write_cpuectlr
.globl read_cnthctl_el2
.globl write_cnthctl_el2
.globl read_cntfrq_el0
.globl write_cntfrq_el0
.globl read_scr
.globl write_scr
.globl read_hcr
.globl write_hcr
.globl read_midr
.globl read_mpidr
.globl read_current_el
.globl read_id_pfr1_el1
.globl read_id_aa64pfr0_el1
#if SUPPORT_VFP
.globl enable_vfp
#endif
func read_current_el
mrs x0, CurrentEl
ret
func read_id_pfr1_el1
mrs x0, id_pfr1_el1
ret
func read_id_aa64pfr0_el1
mrs x0, id_aa64pfr0_el1
ret
/* -----------------------------------------------------
* VBAR accessors
* -----------------------------------------------------
*/
func read_vbar_el1
mrs x0, vbar_el1
ret
func read_vbar_el2
mrs x0, vbar_el2
ret
func read_vbar_el3
mrs x0, vbar_el3
ret
func write_vbar_el1
msr vbar_el1, x0
ret
func write_vbar_el2
msr vbar_el2, x0
ret
func write_vbar_el3
msr vbar_el3, x0
ret
/* -----------------------------------------------------
* AFSR0 accessors
* -----------------------------------------------------
*/
func read_afsr0_el1
mrs x0, afsr0_el1
ret
func read_afsr0_el2
mrs x0, afsr0_el2
ret
func read_afsr0_el3
mrs x0, afsr0_el3
ret
func write_afsr0_el1
msr afsr0_el1, x0
ret
func write_afsr0_el2
msr afsr0_el2, x0
ret
func write_afsr0_el3
msr afsr0_el3, x0
ret
/* -----------------------------------------------------
* FAR accessors
* -----------------------------------------------------
*/
func read_far_el1
mrs x0, far_el1
ret
func read_far_el2
mrs x0, far_el2
ret
func read_far_el3
mrs x0, far_el3
ret
func write_far_el1
msr far_el1, x0
ret
func write_far_el2
msr far_el2, x0
ret
func write_far_el3
msr far_el3, x0
ret
/* -----------------------------------------------------
* MAIR accessors
* -----------------------------------------------------
*/
func read_mair_el1
mrs x0, mair_el1
ret
func read_mair_el2
mrs x0, mair_el2
ret
func read_mair_el3
mrs x0, mair_el3
ret
func write_mair_el1
msr mair_el1, x0
ret
func write_mair_el2
msr mair_el2, x0
ret
func write_mair_el3
msr mair_el3, x0
ret
/* -----------------------------------------------------
* AMAIR accessors
* -----------------------------------------------------
*/
func read_amair_el1
mrs x0, amair_el1
ret
func read_amair_el2
mrs x0, amair_el2
ret
func read_amair_el3
mrs x0, amair_el3
ret
func write_amair_el1
msr amair_el1, x0
ret
func write_amair_el2
msr amair_el2, x0
ret
func write_amair_el3
msr amair_el3, x0
ret
/* -----------------------------------------------------
* RVBAR accessors
* -----------------------------------------------------
*/
func read_rvbar_el1
mrs x0, rvbar_el1
ret
func read_rvbar_el2
mrs x0, rvbar_el2
ret
func read_rvbar_el3
mrs x0, rvbar_el3
ret
/* -----------------------------------------------------
* RMR accessors
* -----------------------------------------------------
*/
func read_rmr_el1
mrs x0, rmr_el1
ret
func read_rmr_el2
mrs x0, rmr_el2
ret
func read_rmr_el3
mrs x0, rmr_el3
ret
func write_rmr_el1
msr rmr_el1, x0
ret
func write_rmr_el2
msr rmr_el2, x0
ret
func write_rmr_el3
msr rmr_el3, x0
ret
/* -----------------------------------------------------
* AFSR1 accessors
* -----------------------------------------------------
*/
func read_afsr1_el1
mrs x0, afsr1_el1
ret
func read_afsr1_el2
mrs x0, afsr1_el2
ret
func read_afsr1_el3
mrs x0, afsr1_el3
ret
func write_afsr1_el1
msr afsr1_el1, x0
ret
func write_afsr1_el2
msr afsr1_el2, x0
ret
func write_afsr1_el3
msr afsr1_el3, x0
ret
/* -----------------------------------------------------
* SCTLR accessors
* -----------------------------------------------------
*/
func read_sctlr_el1
mrs x0, sctlr_el1
ret
func read_sctlr_el2
mrs x0, sctlr_el2
ret
func read_sctlr_el3
mrs x0, sctlr_el3
ret
func write_sctlr_el1
msr sctlr_el1, x0
ret
func write_sctlr_el2
msr sctlr_el2, x0
ret
func write_sctlr_el3
msr sctlr_el3, x0
ret
/* -----------------------------------------------------
* ACTLR accessors
* -----------------------------------------------------
*/
func read_actlr_el1
mrs x0, actlr_el1
ret
func read_actlr_el2
mrs x0, actlr_el2
ret
func read_actlr_el3
mrs x0, actlr_el3
ret
func write_actlr_el1
msr actlr_el1, x0
ret
func write_actlr_el2
msr actlr_el2, x0
ret
func write_actlr_el3
msr actlr_el3, x0
ret
/* -----------------------------------------------------
* ESR accessors
* -----------------------------------------------------
*/
func read_esr_el1
mrs x0, esr_el1
ret
func read_esr_el2
mrs x0, esr_el2
ret
func read_esr_el3
mrs x0, esr_el3
ret
func write_esr_el1
msr esr_el1, x0
ret
func write_esr_el2
msr esr_el2, x0
ret
func write_esr_el3
msr esr_el3, x0
ret
/* -----------------------------------------------------
* TCR accessors
* -----------------------------------------------------
*/
func read_tcr_el1
mrs x0, tcr_el1
ret
func read_tcr_el2
mrs x0, tcr_el2
ret
func read_tcr_el3
mrs x0, tcr_el3
ret
func write_tcr_el1
msr tcr_el1, x0
ret
func write_tcr_el2
msr tcr_el2, x0
ret
func write_tcr_el3
msr tcr_el3, x0
ret
/* -----------------------------------------------------
* CPTR accessors
* -----------------------------------------------------
*/
func read_cptr_el2
mrs x0, cptr_el2
ret
func read_cptr_el3
mrs x0, cptr_el3
ret
func write_cptr_el2
msr cptr_el2, x0
ret
func write_cptr_el3
msr cptr_el3, x0
ret
/* -----------------------------------------------------
* TTBR0 accessors
* -----------------------------------------------------
*/
func read_ttbr0_el1
mrs x0, ttbr0_el1
ret
func read_ttbr0_el2
mrs x0, ttbr0_el2
ret
func read_ttbr0_el3
mrs x0, ttbr0_el3
ret
func write_ttbr0_el1
msr ttbr0_el1, x0
ret
func write_ttbr0_el2
msr ttbr0_el2, x0
ret
func write_ttbr0_el3
msr ttbr0_el3, x0
ret
/* -----------------------------------------------------
* TTBR1 accessors
* -----------------------------------------------------
*/
func read_ttbr1_el1
mrs x0, ttbr1_el1
ret
func write_ttbr1_el1
msr ttbr1_el1, x0
ret
func read_hcr
mrs x0, hcr_el2
ret
func write_hcr
msr hcr_el2, x0
ret
func read_cpacr
mrs x0, cpacr_el1
ret
func write_cpacr
msr cpacr_el1, x0
ret
func read_cntfrq_el0
mrs x0, cntfrq_el0
ret
func write_cntfrq_el0
msr cntfrq_el0, x0
ret
func read_cpuectlr
mrs x0, CPUECTLR_EL1
ret
func write_cpuectlr
msr CPUECTLR_EL1, x0
ret
func read_cnthctl_el2
mrs x0, cnthctl_el2
ret
func write_cnthctl_el2
msr cnthctl_el2, x0
ret
func read_cntfrq
mrs x0, cntfrq_el0
ret
func write_cntfrq
msr cntfrq_el0, x0
ret
func write_scr
msr scr_el3, x0
ret
func read_scr
mrs x0, scr_el3
ret
func read_midr
mrs x0, midr_el1
ret
func read_mpidr
mrs x0, mpidr_el1
ret
#if SUPPORT_VFP
func enable_vfp
mrs x0, cpacr_el1
orr x0, x0, #CPACR_VFP_BITS
msr cpacr_el1, x0
mrs x0, cptr_el3
mov x1, #AARCH64_CPTR_TFP
bic x0, x0, x1
msr cptr_el3, x0
isb
ret
#endif
|
