1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * AArch64 processor specific defines 4 * 5 * Copyright (C) 2018, Red Hat, Inc. 6 */ 7 #ifndef SELFTEST_KVM_PROCESSOR_H 8 #define SELFTEST_KVM_PROCESSOR_H 9 10 #include "kvm_util.h" 11 12 13 #define ARM64_CORE_REG(x) (KVM_REG_ARM64 | KVM_REG_SIZE_U64 | \ 14 KVM_REG_ARM_CORE | KVM_REG_ARM_CORE_REG(x)) 15 16 #define CPACR_EL1 3, 0, 1, 0, 2 17 #define TCR_EL1 3, 0, 2, 0, 2 18 #define MAIR_EL1 3, 0, 10, 2, 0 19 #define TTBR0_EL1 3, 0, 2, 0, 0 20 #define SCTLR_EL1 3, 0, 1, 0, 0 21 22 /* 23 * Default MAIR 24 * index attribute 25 * DEVICE_nGnRnE 0 0000:0000 26 * DEVICE_nGnRE 1 0000:0100 27 * DEVICE_GRE 2 0000:1100 28 * NORMAL_NC 3 0100:0100 29 * NORMAL 4 1111:1111 30 * NORMAL_WT 5 1011:1011 31 */ 32 #define DEFAULT_MAIR_EL1 ((0x00ul << (0 * 8)) | \ 33 (0x04ul << (1 * 8)) | \ 34 (0x0cul << (2 * 8)) | \ 35 (0x44ul << (3 * 8)) | \ 36 (0xfful << (4 * 8)) | \ 37 (0xbbul << (5 * 8))) 38 39 static inline void get_reg(struct kvm_vm *vm, uint32_t vcpuid, uint64_t id, uint64_t *addr) 40 { 41 struct kvm_one_reg reg; 42 reg.id = id; 43 reg.addr = (uint64_t)addr; 44 vcpu_ioctl(vm, vcpuid, KVM_GET_ONE_REG, ®); 45 } 46 47 static inline void set_reg(struct kvm_vm *vm, uint32_t vcpuid, uint64_t id, uint64_t val) 48 { 49 struct kvm_one_reg reg; 50 reg.id = id; 51 reg.addr = (uint64_t)&val; 52 vcpu_ioctl(vm, vcpuid, KVM_SET_ONE_REG, ®); 53 } 54 55 void aarch64_vcpu_setup(struct kvm_vm *vm, int vcpuid, struct kvm_vcpu_init *init); 56 void aarch64_vcpu_add_default(struct kvm_vm *vm, uint32_t vcpuid, 57 struct kvm_vcpu_init *init, void *guest_code); 58 59 #endif /* SELFTEST_KVM_PROCESSOR_H */ 60