/* * 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. */ .globl read_icc_sre_el1 .globl read_icc_sre_el2 .globl read_icc_sre_el3 .globl write_icc_sre_el1 .globl write_icc_sre_el2 .globl write_icc_sre_el3 .globl write_icc_pmr_el1 /* * Register definitions used by GCC for GICv3 access. * These are defined by ARMCC, so keep them in the GCC specific code for now. */ #define ICC_SRE_EL1 S3_0_C12_C12_5 #define ICC_SRE_EL2 S3_4_C12_C9_5 #define ICC_SRE_EL3 S3_6_C12_C12_5 #define ICC_CTLR_EL1 S3_0_C12_C12_4 #define ICC_CTLR_EL3 S3_6_C12_C12_4 #define ICC_PMR_EL1 S3_0_C4_C6_0 .section .text, "ax"; .align 3 read_icc_sre_el1: ; .type read_icc_sre_el1, %function mrs x0, ICC_SRE_EL1 ret read_icc_sre_el2: ; .type read_icc_sre_el2, %function mrs x0, ICC_SRE_EL2 ret read_icc_sre_el3: ; .type read_icc_sre_el3, %function mrs x0, ICC_SRE_EL3 ret write_icc_sre_el1: ; .type write_icc_sre_el1, %function msr ICC_SRE_EL1, x0 isb ret write_icc_sre_el2: ; .type write_icc_sre_el2, %function msr ICC_SRE_EL2, x0 isb ret write_icc_sre_el3: ; .type write_icc_sre_el3, %function msr ICC_SRE_EL3, x0 isb ret write_icc_pmr_el1: ; .type write_icc_pmr_el1, %function msr ICC_PMR_EL1, x0 isb ret