arm64: KVM: system register definitions for 64bit guests
[linux-2.6-block.git] / arch / arm64 / include / asm / kvm_asm.h
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1/*
2 * Copyright (C) 2012,2013 - ARM Ltd
3 * Author: Marc Zyngier <marc.zyngier@arm.com>
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
16 */
17
18#ifndef __ARM_KVM_ASM_H__
19#define __ARM_KVM_ASM_H__
20
21/*
22 * 0 is reserved as an invalid value.
23 * Order *must* be kept in sync with the hyp switch code.
24 */
25#define MPIDR_EL1 1 /* MultiProcessor Affinity Register */
26#define CSSELR_EL1 2 /* Cache Size Selection Register */
27#define SCTLR_EL1 3 /* System Control Register */
28#define ACTLR_EL1 4 /* Auxilliary Control Register */
29#define CPACR_EL1 5 /* Coprocessor Access Control */
30#define TTBR0_EL1 6 /* Translation Table Base Register 0 */
31#define TTBR1_EL1 7 /* Translation Table Base Register 1 */
32#define TCR_EL1 8 /* Translation Control Register */
33#define ESR_EL1 9 /* Exception Syndrome Register */
34#define AFSR0_EL1 10 /* Auxilary Fault Status Register 0 */
35#define AFSR1_EL1 11 /* Auxilary Fault Status Register 1 */
36#define FAR_EL1 12 /* Fault Address Register */
37#define MAIR_EL1 13 /* Memory Attribute Indirection Register */
38#define VBAR_EL1 14 /* Vector Base Address Register */
39#define CONTEXTIDR_EL1 15 /* Context ID Register */
40#define TPIDR_EL0 16 /* Thread ID, User R/W */
41#define TPIDRRO_EL0 17 /* Thread ID, User R/O */
42#define TPIDR_EL1 18 /* Thread ID, Privileged */
43#define AMAIR_EL1 19 /* Aux Memory Attribute Indirection Register */
44#define CNTKCTL_EL1 20 /* Timer Control Register (EL1) */
45#define NR_SYS_REGS 21
46
47#define ARM_EXCEPTION_IRQ 0
48#define ARM_EXCEPTION_TRAP 1
49
50#ifndef __ASSEMBLY__
51struct kvm;
52struct kvm_vcpu;
53
54extern char __kvm_hyp_init[];
55extern char __kvm_hyp_init_end[];
56
57extern char __kvm_hyp_vector[];
58
59extern char __kvm_hyp_code_start[];
60extern char __kvm_hyp_code_end[];
61
62extern void __kvm_flush_vm_context(void);
63extern void __kvm_tlb_flush_vmid_ipa(struct kvm *kvm, phys_addr_t ipa);
64
65extern int __kvm_vcpu_run(struct kvm_vcpu *vcpu);
66#endif
67
68#endif /* __ARM_KVM_ASM_H__ */