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/*
* Copyright (C) 2012,2013 - ARM Ltd
* Author: Marc Zyngier <marc.zyngier@arm.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __ARM_KVM_ASM_H__
#define __ARM_KVM_ASM_H__
#include <asm/virt.h>
/*
* 0 is reserved as an invalid value.
* Order *must* be kept in sync with the hyp switch code.
*/
#define MPIDR_EL1 1 /* MultiProcessor Affinity Register */
#define CSSELR_EL1 2 /* Cache Size Selection Register */
#define SCTLR_EL1 3 /* System Control Register */
#define ACTLR_EL1 4 /* Auxilliary Control Register */
#define CPACR_EL1 5 /* Coprocessor Access Control */
#define TTBR0_EL1 6 /* Translation Table Base Register 0 */
#define TTBR1_EL1 7 /* Translation Table Base Register 1 */
#define TCR_EL1 8 /* Translation Control Register */
#define ESR_EL1 9 /* Exception Syndrome Register */
#define AFSR0_EL1 10 /* Auxilary Fault Status Register 0 */
#define AFSR1_EL1 11 /* Auxilary Fault Status Register 1 */
#define FAR_EL1 12 /* Fault Address Register */
#define MAIR_EL1 13 /* Memory Attribute Indirection Register */
#define VBAR_EL1 14 /* Vector Base Address Register */
#define CONTEXTIDR_EL1 15 /* Context ID Register */
#define TPIDR_EL0 16 /* Thread ID, User R/W */
#define TPIDRRO_EL0 17 /* Thread ID, User R/O */
#define TPIDR_EL1 18 /* Thread ID, Privileged */
#define AMAIR_EL1 19 /* Aux Memory Attribute Indirection Register */
#define CNTKCTL_EL1 20 /* Timer Control Register (EL1) */
#define PAR_EL1 21 /* Physical Address Register */
#define MDSCR_EL1 22 /* Monitor Debug System Control Register */
#define MDCCINT_EL1 23 /* Monitor Debug Comms Channel Interrupt Enable Reg */
/* 32bit specific registers. Keep them at the end of the range */
#define DACR32_EL2 24 /* Domain Access Control Register */
#define IFSR32_EL2 25 /* Instruction Fault Status Register */
#define FPEXC32_EL2 26 /* Floating-Point Exception Control Register */
#define DBGVCR32_EL2 27 /* Debug Vector Catch Register */
#define TEECR32_EL1 28 /* ThumbEE Configuration Register */
#define TEEHBR32_EL1 29 /* ThumbEE Handler Base Register */
#define NR_SYS_REGS 30
/* 32bit mapping */
#define c0_MPIDR (MPIDR_EL1 * 2) /* MultiProcessor ID Register */
#define c0_CSSELR (CSSELR_EL1 * 2)/* Cache Size Selection Register */
#define c1_SCTLR (SCTLR_EL1 * 2) /* System Control Register */
#define c1_ACTLR (ACTLR_EL1 * 2) /* Auxiliary Control Register */
#define c1_CPACR (CPACR_EL1 * 2) /* Coprocessor Access Control */
#define c2_TTBR0 (TTBR0_EL1 * 2) /* Translation Table Base Register 0 */
#define c2_TTBR0_high (c2_TTBR0 + 1) /* TTBR0 top 32 bits */
#define c2_TTBR1 (TTBR1_EL1 * 2) /* Translation Table Base Register 1 */
#define c2_TTBR1_high (c2_TTBR1 + 1) /* TTBR1 top 32 bits */
#define c2_TTBCR (TCR_EL1 * 2) /* Translation Table Base Control R. */
#define c3_DACR (DACR32_EL2 * 2)/* Domain Access Control Register */
#define c5_DFSR (ESR_EL1 * 2) /* Data Fault Status Register */
#define c5_IFSR (IFSR32_EL2 * 2)/* Instruction Fault Status Register */
#define c5_ADFSR (AFSR0_EL1 * 2) /* Auxiliary Data Fault Status R */
#define c5_AIFSR (AFSR1_EL1 * 2) /* Auxiliary Instr Fault Status R */
#define c6_DFAR (FAR_EL1 * 2) /* Data Fault Address Register */
#define c6_IFAR (c6_DFAR + 1) /* Instruction Fault Address Register */
#define c7_PAR (PAR_EL1 * 2) /* Physical Address Register */
#define c7_PAR_high (c7_PAR + 1) /* PAR top 32 bits */
#define c10_PRRR (MAIR_EL1 * 2) /* Primary Region Remap Register */
#define c10_NMRR (c10_PRRR + 1) /* Normal Memory Remap Register */
#define c12_VBAR (VBAR_EL1 * 2) /* Vector Base Address Register */
#define c13_CID (CONTEXTIDR_EL1 * 2) /* Context ID Register */
#define c13_TID_URW (TPIDR_EL0 * 2) /* Thread ID, User R/W */
#define c13_TID_URO (TPIDRRO_EL0 * 2)/* Thread ID, User R/O */
#define c13_TID_PRIV (TPIDR_EL1 * 2) /* Thread ID, Privileged */
#define c10_AMAIR0 (AMAIR_EL1 * 2) /* Aux Memory Attr Indirection Reg */
#define c10_AMAIR1 (c10_AMAIR0 + 1)/* Aux Memory Attr Indirection Reg */
#define c14_CNTKCTL (CNTKCTL_EL1 * 2) /* Timer Control Register (PL1) */
#define cp14_DBGDSCRext (MDSCR_EL1 * 2)
#define cp14_DBGBCR0 (DBGBCR0_EL1 * 2)
#define cp14_DBGBVR0 (DBGBVR0_EL1 * 2)
#define cp14_DBGBXVR0 (cp14_DBGBVR0 + 1)
#define cp14_DBGWCR0 (DBGWCR0_EL1 * 2)
#define cp14_DBGWVR0 (DBGWVR0_EL1 * 2)
#define cp14_DBGDCCINT (MDCCINT_EL1 * 2)
#define NR_COPRO_REGS (NR_SYS_REGS * 2)
#define ARM_EXCEPTION_IRQ 0
#define ARM_EXCEPTION_TRAP 1
/* The hyp-stub will return this for any kvm_call_hyp() call */
#define ARM_EXCEPTION_HYP_GONE 2
#define KVM_ARM64_DEBUG_DIRTY_SHIFT 0
#define KVM_ARM64_DEBUG_DIRTY (1 << KVM_ARM64_DEBUG_DIRTY_SHIFT)
#ifndef __ASSEMBLY__
struct kvm;
struct kvm_vcpu;
extern char __kvm_hyp_init[];
extern char __kvm_hyp_init_end[];
extern char __kvm_hyp_vector[];
extern void __kvm_flush_vm_context(void);
extern void __kvm_tlb_flush_vmid_ipa(struct kvm *kvm, phys_addr_t ipa);
extern void __kvm_tlb_flush_vmid(struct kvm *kvm);
extern int __kvm_vcpu_run(struct kvm_vcpu *vcpu);
extern u64 __vgic_v3_get_ich_vtr_el2(void);
extern u32 __kvm_get_mdcr_el2(void);
#endif
#endif /* __ARM_KVM_ASM_H__ */
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