| /* |
| * 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_helpers.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 read_ttbr1_el2 |
| .globl write_ttbr1 |
| .globl write_ttbr1_el1 |
| .globl write_ttbr1_el2 |
| |
| .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 |
| .globl read_fpexc |
| .globl write_fpexc |
| #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 |
| isb |
| ret |
| |
| |
| func write_vbar_el2 |
| msr vbar_el2, x0 |
| isb |
| ret |
| |
| |
| func write_vbar_el3 |
| msr vbar_el3, x0 |
| isb |
| 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 |
| isb |
| ret |
| |
| |
| func write_afsr0_el2 |
| msr afsr0_el2, x0 |
| isb |
| ret |
| |
| |
| func write_afsr0_el3 |
| msr afsr0_el3, x0 |
| isb |
| 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 |
| isb |
| ret |
| |
| |
| func write_far_el2 |
| msr far_el2, x0 |
| isb |
| ret |
| |
| |
| func write_far_el3 |
| msr far_el3, x0 |
| isb |
| 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 |
| isb |
| ret |
| |
| |
| func write_mair_el2 |
| msr mair_el2, x0 |
| isb |
| ret |
| |
| |
| func write_mair_el3 |
| msr mair_el3, x0 |
| isb |
| 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 |
| isb |
| ret |
| |
| |
| func write_amair_el2 |
| msr amair_el2, x0 |
| isb |
| ret |
| |
| |
| func write_amair_el3 |
| msr amair_el3, x0 |
| isb |
| 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 |
| isb |
| ret |
| |
| |
| func write_rmr_el2 |
| msr rmr_el2, x0 |
| isb |
| ret |
| |
| |
| func write_rmr_el3 |
| msr rmr_el3, x0 |
| isb |
| 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 |
| isb |
| ret |
| |
| |
| func write_afsr1_el2 |
| msr afsr1_el2, x0 |
| isb |
| ret |
| |
| |
| func write_afsr1_el3 |
| msr afsr1_el3, x0 |
| isb |
| 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 |
| dsb sy |
| isb |
| ret |
| |
| |
| func write_sctlr_el2 |
| msr sctlr_el2, x0 |
| dsb sy |
| isb |
| ret |
| |
| |
| func write_sctlr_el3 |
| msr sctlr_el3, x0 |
| dsb sy |
| isb |
| 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 |
| dsb sy |
| isb |
| ret |
| |
| |
| func write_actlr_el2 |
| msr actlr_el2, x0 |
| dsb sy |
| isb |
| ret |
| |
| |
| func write_actlr_el3 |
| msr actlr_el3, x0 |
| dsb sy |
| isb |
| 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 |
| dsb sy |
| isb |
| ret |
| |
| |
| func write_esr_el2 |
| msr esr_el2, x0 |
| dsb sy |
| isb |
| ret |
| |
| |
| func write_esr_el3 |
| msr esr_el3, x0 |
| dsb sy |
| isb |
| 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 |
| dsb sy |
| isb |
| ret |
| |
| |
| func write_tcr_el2 |
| msr tcr_el2, x0 |
| dsb sy |
| isb |
| ret |
| |
| |
| func write_tcr_el3 |
| msr tcr_el3, x0 |
| dsb sy |
| isb |
| ret |
| |
| |
| /* ----------------------------------------------------- |
| * CPTR accessors |
| * ----------------------------------------------------- |
| */ |
| func read_cptr_el1 |
| b read_cptr_el1 |
| ret |
| |
| |
| func read_cptr_el2 |
| mrs x0, cptr_el2 |
| ret |
| |
| |
| func read_cptr_el3 |
| mrs x0, cptr_el3 |
| ret |
| |
| |
| func write_cptr_el1 |
| b write_cptr_el1 |
| |
| |
| func write_cptr_el2 |
| msr cptr_el2, x0 |
| dsb sy |
| isb |
| ret |
| |
| |
| func write_cptr_el3 |
| msr cptr_el3, x0 |
| dsb sy |
| isb |
| 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 |
| isb |
| ret |
| |
| |
| func write_ttbr0_el2 |
| msr ttbr0_el2, x0 |
| isb |
| ret |
| |
| |
| func write_ttbr0_el3 |
| msr ttbr0_el3, x0 |
| isb |
| ret |
| |
| |
| /* ----------------------------------------------------- |
| * TTBR1 accessors |
| * ----------------------------------------------------- |
| */ |
| func read_ttbr1_el1 |
| mrs x0, ttbr1_el1 |
| ret |
| |
| |
| func read_ttbr1_el2 |
| b read_ttbr1_el2 |
| |
| |
| func read_ttbr1_el3 |
| b read_ttbr1_el3 |
| |
| |
| func write_ttbr1_el1 |
| msr ttbr1_el1, x0 |
| isb |
| ret |
| |
| |
| func write_ttbr1_el2 |
| b write_ttbr1_el2 |
| |
| |
| func write_ttbr1_el3 |
| b write_ttbr1_el3 |
| |
| |
| func read_hcr |
| mrs x0, hcr_el2 |
| ret |
| |
| |
| func write_hcr |
| msr hcr_el2, x0 |
| dsb sy |
| isb |
| 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 |
| dsb sy |
| isb |
| 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 |
| dsb sy |
| isb |
| 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 |
| ret |
| |
| |
| func read_fpexc |
| b read_fpexc |
| ret |
| |
| |
| func write_fpexc |
| b write_fpexc |
| ret |
| |
| #endif |