root/tools/testing/selftests/kvm/include/aarch64/processor.h

INCLUDED FROM

DEFINITIONS

1. get_reg
2. set_reg

   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, &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, &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 */