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Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 as published by the free software foundation this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details you should have received a copy of the gnu general public license along with this program if not see http www gnu org licenses extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 503 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Enrico Weigelt <info@metux.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190602204653.811534538@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
87 lines
2.4 KiB
C
87 lines
2.4 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright (C) 2012,2013 - ARM Ltd
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* Author: Marc Zyngier <marc.zyngier@arm.com>
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*
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* Based on arch/arm/kvm/coproc_a15.c:
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* Copyright (C) 2012 - Virtual Open Systems and Columbia University
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* Authors: Rusty Russell <rusty@rustcorp.au>
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* Christoffer Dall <c.dall@virtualopensystems.com>
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*/
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#include <linux/kvm_host.h>
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#include <asm/cputype.h>
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#include <asm/kvm_arm.h>
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#include <asm/kvm_asm.h>
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#include <asm/kvm_host.h>
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#include <asm/kvm_emulate.h>
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#include <asm/kvm_coproc.h>
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#include <asm/sysreg.h>
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#include <linux/init.h>
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#include "sys_regs.h"
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static bool access_actlr(struct kvm_vcpu *vcpu,
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struct sys_reg_params *p,
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const struct sys_reg_desc *r)
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{
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if (p->is_write)
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return ignore_write(vcpu, p);
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p->regval = vcpu_read_sys_reg(vcpu, ACTLR_EL1);
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return true;
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}
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static void reset_actlr(struct kvm_vcpu *vcpu, const struct sys_reg_desc *r)
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{
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__vcpu_sys_reg(vcpu, ACTLR_EL1) = read_sysreg(actlr_el1);
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}
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/*
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* Implementation specific sys-reg registers.
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* Important: Must be sorted ascending by Op0, Op1, CRn, CRm, Op2
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*/
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static const struct sys_reg_desc genericv8_sys_regs[] = {
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{ SYS_DESC(SYS_ACTLR_EL1), access_actlr, reset_actlr, ACTLR_EL1 },
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};
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static const struct sys_reg_desc genericv8_cp15_regs[] = {
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/* ACTLR */
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{ Op1(0b000), CRn(0b0001), CRm(0b0000), Op2(0b001),
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access_actlr },
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};
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static struct kvm_sys_reg_target_table genericv8_target_table = {
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.table64 = {
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.table = genericv8_sys_regs,
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.num = ARRAY_SIZE(genericv8_sys_regs),
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},
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.table32 = {
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.table = genericv8_cp15_regs,
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.num = ARRAY_SIZE(genericv8_cp15_regs),
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},
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};
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static int __init sys_reg_genericv8_init(void)
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{
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unsigned int i;
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for (i = 1; i < ARRAY_SIZE(genericv8_sys_regs); i++)
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BUG_ON(cmp_sys_reg(&genericv8_sys_regs[i-1],
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&genericv8_sys_regs[i]) >= 0);
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kvm_register_target_sys_reg_table(KVM_ARM_TARGET_AEM_V8,
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&genericv8_target_table);
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kvm_register_target_sys_reg_table(KVM_ARM_TARGET_FOUNDATION_V8,
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&genericv8_target_table);
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kvm_register_target_sys_reg_table(KVM_ARM_TARGET_CORTEX_A53,
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&genericv8_target_table);
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kvm_register_target_sys_reg_table(KVM_ARM_TARGET_CORTEX_A57,
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&genericv8_target_table);
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kvm_register_target_sys_reg_table(KVM_ARM_TARGET_XGENE_POTENZA,
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&genericv8_target_table);
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kvm_register_target_sys_reg_table(KVM_ARM_TARGET_GENERIC_V8,
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&genericv8_target_table);
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return 0;
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}
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late_initcall(sys_reg_genericv8_init);
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