mirror of
https://github.com/Qortal/Brooklyn.git
synced 2025-02-01 07:42:18 +00:00
136 lines
3.5 KiB
C
136 lines
3.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* AArch64 processor specific defines
|
|
*
|
|
* Copyright (C) 2018, Red Hat, Inc.
|
|
*/
|
|
#ifndef SELFTEST_KVM_PROCESSOR_H
|
|
#define SELFTEST_KVM_PROCESSOR_H
|
|
|
|
#include "kvm_util.h"
|
|
#include <linux/stringify.h>
|
|
|
|
|
|
#define ARM64_CORE_REG(x) (KVM_REG_ARM64 | KVM_REG_SIZE_U64 | \
|
|
KVM_REG_ARM_CORE | KVM_REG_ARM_CORE_REG(x))
|
|
|
|
#define CPACR_EL1 3, 0, 1, 0, 2
|
|
#define TCR_EL1 3, 0, 2, 0, 2
|
|
#define MAIR_EL1 3, 0, 10, 2, 0
|
|
#define MPIDR_EL1 3, 0, 0, 0, 5
|
|
#define TTBR0_EL1 3, 0, 2, 0, 0
|
|
#define SCTLR_EL1 3, 0, 1, 0, 0
|
|
#define VBAR_EL1 3, 0, 12, 0, 0
|
|
|
|
#define ID_AA64DFR0_EL1 3, 0, 0, 5, 0
|
|
|
|
/*
|
|
* Default MAIR
|
|
* index attribute
|
|
* DEVICE_nGnRnE 0 0000:0000
|
|
* DEVICE_nGnRE 1 0000:0100
|
|
* DEVICE_GRE 2 0000:1100
|
|
* NORMAL_NC 3 0100:0100
|
|
* NORMAL 4 1111:1111
|
|
* NORMAL_WT 5 1011:1011
|
|
*/
|
|
#define DEFAULT_MAIR_EL1 ((0x00ul << (0 * 8)) | \
|
|
(0x04ul << (1 * 8)) | \
|
|
(0x0cul << (2 * 8)) | \
|
|
(0x44ul << (3 * 8)) | \
|
|
(0xfful << (4 * 8)) | \
|
|
(0xbbul << (5 * 8)))
|
|
|
|
#define MPIDR_HWID_BITMASK (0xff00fffffful)
|
|
|
|
static inline void get_reg(struct kvm_vm *vm, uint32_t vcpuid, uint64_t id, uint64_t *addr)
|
|
{
|
|
struct kvm_one_reg reg;
|
|
reg.id = id;
|
|
reg.addr = (uint64_t)addr;
|
|
vcpu_ioctl(vm, vcpuid, KVM_GET_ONE_REG, ®);
|
|
}
|
|
|
|
static inline void set_reg(struct kvm_vm *vm, uint32_t vcpuid, uint64_t id, uint64_t val)
|
|
{
|
|
struct kvm_one_reg reg;
|
|
reg.id = id;
|
|
reg.addr = (uint64_t)&val;
|
|
vcpu_ioctl(vm, vcpuid, KVM_SET_ONE_REG, ®);
|
|
}
|
|
|
|
void aarch64_vcpu_setup(struct kvm_vm *vm, int vcpuid, struct kvm_vcpu_init *init);
|
|
void aarch64_vcpu_add_default(struct kvm_vm *vm, uint32_t vcpuid,
|
|
struct kvm_vcpu_init *init, void *guest_code);
|
|
|
|
struct ex_regs {
|
|
u64 regs[31];
|
|
u64 sp;
|
|
u64 pc;
|
|
u64 pstate;
|
|
};
|
|
|
|
#define VECTOR_NUM 16
|
|
|
|
enum {
|
|
VECTOR_SYNC_CURRENT_SP0,
|
|
VECTOR_IRQ_CURRENT_SP0,
|
|
VECTOR_FIQ_CURRENT_SP0,
|
|
VECTOR_ERROR_CURRENT_SP0,
|
|
|
|
VECTOR_SYNC_CURRENT,
|
|
VECTOR_IRQ_CURRENT,
|
|
VECTOR_FIQ_CURRENT,
|
|
VECTOR_ERROR_CURRENT,
|
|
|
|
VECTOR_SYNC_LOWER_64,
|
|
VECTOR_IRQ_LOWER_64,
|
|
VECTOR_FIQ_LOWER_64,
|
|
VECTOR_ERROR_LOWER_64,
|
|
|
|
VECTOR_SYNC_LOWER_32,
|
|
VECTOR_IRQ_LOWER_32,
|
|
VECTOR_FIQ_LOWER_32,
|
|
VECTOR_ERROR_LOWER_32,
|
|
};
|
|
|
|
#define VECTOR_IS_SYNC(v) ((v) == VECTOR_SYNC_CURRENT_SP0 || \
|
|
(v) == VECTOR_SYNC_CURRENT || \
|
|
(v) == VECTOR_SYNC_LOWER_64 || \
|
|
(v) == VECTOR_SYNC_LOWER_32)
|
|
|
|
#define ESR_EC_NUM 64
|
|
#define ESR_EC_SHIFT 26
|
|
#define ESR_EC_MASK (ESR_EC_NUM - 1)
|
|
|
|
#define ESR_EC_SVC64 0x15
|
|
#define ESR_EC_HW_BP_CURRENT 0x31
|
|
#define ESR_EC_SSTEP_CURRENT 0x33
|
|
#define ESR_EC_WP_CURRENT 0x35
|
|
#define ESR_EC_BRK_INS 0x3c
|
|
|
|
void vm_init_descriptor_tables(struct kvm_vm *vm);
|
|
void vcpu_init_descriptor_tables(struct kvm_vm *vm, uint32_t vcpuid);
|
|
|
|
typedef void(*handler_fn)(struct ex_regs *);
|
|
void vm_install_exception_handler(struct kvm_vm *vm,
|
|
int vector, handler_fn handler);
|
|
void vm_install_sync_handler(struct kvm_vm *vm,
|
|
int vector, int ec, handler_fn handler);
|
|
|
|
#define write_sysreg(reg, val) \
|
|
({ \
|
|
u64 __val = (u64)(val); \
|
|
asm volatile("msr " __stringify(reg) ", %x0" : : "rZ" (__val)); \
|
|
})
|
|
|
|
#define read_sysreg(reg) \
|
|
({ u64 val; \
|
|
asm volatile("mrs %0, "__stringify(reg) : "=r"(val) : : "memory");\
|
|
val; \
|
|
})
|
|
|
|
#define isb() asm volatile("isb" : : : "memory")
|
|
|
|
#endif /* SELFTEST_KVM_PROCESSOR_H */
|