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
get_reg(struct kvm_vm * vm,uint32_t vcpuid,uint64_t id,uint64_t * addr)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
set_reg(struct kvm_vm * vm,uint32_t vcpuid,uint64_t id,uint64_t val)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