diff options
Diffstat (limited to 'arch/arm64/kvm/sys_regs_generic_v8.c')
-rw-r--r-- | arch/arm64/kvm/sys_regs_generic_v8.c | 96 |
1 files changed, 0 insertions, 96 deletions
diff --git a/arch/arm64/kvm/sys_regs_generic_v8.c b/arch/arm64/kvm/sys_regs_generic_v8.c deleted file mode 100644 index aa9d356451eb..000000000000 --- a/arch/arm64/kvm/sys_regs_generic_v8.c +++ /dev/null @@ -1,96 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Copyright (C) 2012,2013 - ARM Ltd - * Author: Marc Zyngier <marc.zyngier@arm.com> - * - * Based on arch/arm/kvm/coproc_a15.c: - * Copyright (C) 2012 - Virtual Open Systems and Columbia University - * Authors: Rusty Russell <rusty@rustcorp.au> - * Christoffer Dall <c.dall@virtualopensystems.com> - */ -#include <linux/kvm_host.h> -#include <asm/cputype.h> -#include <asm/kvm_arm.h> -#include <asm/kvm_asm.h> -#include <asm/kvm_emulate.h> -#include <asm/kvm_coproc.h> -#include <asm/sysreg.h> -#include <linux/init.h> - -#include "sys_regs.h" - -static bool access_actlr(struct kvm_vcpu *vcpu, - struct sys_reg_params *p, - const struct sys_reg_desc *r) -{ - if (p->is_write) - return ignore_write(vcpu, p); - - p->regval = vcpu_read_sys_reg(vcpu, ACTLR_EL1); - - if (p->is_aarch32) { - if (r->Op2 & 2) - p->regval = upper_32_bits(p->regval); - else - p->regval = lower_32_bits(p->regval); - } - - return true; -} - -static void reset_actlr(struct kvm_vcpu *vcpu, const struct sys_reg_desc *r) -{ - __vcpu_sys_reg(vcpu, ACTLR_EL1) = read_sysreg(actlr_el1); -} - -/* - * Implementation specific sys-reg registers. - * Important: Must be sorted ascending by Op0, Op1, CRn, CRm, Op2 - */ -static const struct sys_reg_desc genericv8_sys_regs[] = { - { SYS_DESC(SYS_ACTLR_EL1), access_actlr, reset_actlr, ACTLR_EL1 }, -}; - -static const struct sys_reg_desc genericv8_cp15_regs[] = { - /* ACTLR */ - { Op1(0b000), CRn(0b0001), CRm(0b0000), Op2(0b001), - access_actlr }, - { Op1(0b000), CRn(0b0001), CRm(0b0000), Op2(0b011), - access_actlr }, -}; - -static struct kvm_sys_reg_target_table genericv8_target_table = { - .table64 = { - .table = genericv8_sys_regs, - .num = ARRAY_SIZE(genericv8_sys_regs), - }, - .table32 = { - .table = genericv8_cp15_regs, - .num = ARRAY_SIZE(genericv8_cp15_regs), - }, -}; - -static int __init sys_reg_genericv8_init(void) -{ - unsigned int i; - - for (i = 1; i < ARRAY_SIZE(genericv8_sys_regs); i++) - BUG_ON(cmp_sys_reg(&genericv8_sys_regs[i-1], - &genericv8_sys_regs[i]) >= 0); - - kvm_register_target_sys_reg_table(KVM_ARM_TARGET_AEM_V8, - &genericv8_target_table); - kvm_register_target_sys_reg_table(KVM_ARM_TARGET_FOUNDATION_V8, - &genericv8_target_table); - kvm_register_target_sys_reg_table(KVM_ARM_TARGET_CORTEX_A53, - &genericv8_target_table); - kvm_register_target_sys_reg_table(KVM_ARM_TARGET_CORTEX_A57, - &genericv8_target_table); - kvm_register_target_sys_reg_table(KVM_ARM_TARGET_XGENE_POTENZA, - &genericv8_target_table); - kvm_register_target_sys_reg_table(KVM_ARM_TARGET_GENERIC_V8, - &genericv8_target_table); - - return 0; -} -late_initcall(sys_reg_genericv8_init); |