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/*
* Copyright (C) 2012 - Virtual Open Systems and Columbia University
* Author: Christoffer Dall <c.dall@virtualopensystems.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, write to the Free Software
* Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef __ARM_KVM_ASM_H__
#define __ARM_KVM_ASM_H__
/* 0 is reserved as an invalid value. */
#define c0_MPIDR 1 /* MultiProcessor ID Register */
#define c0_CSSELR 2 /* Cache Size Selection Register */
#define c1_SCTLR 3 /* System Control Register */
#define c1_ACTLR 4 /* Auxiliary Control Register */
#define c1_CPACR 5 /* Coprocessor Access Control */
#define c2_TTBR0 6 /* Translation Table Base Register 0 */
#define c2_TTBR0_high 7 /* TTBR0 top 32 bits */
#define c2_TTBR1 8 /* Translation Table Base Register 1 */
#define c2_TTBR1_high 9 /* TTBR1 top 32 bits */
#define c2_TTBCR 10 /* Translation Table Base Control R. */
#define c3_DACR 11 /* Domain Access Control Register */
#define c5_DFSR 12 /* Data Fault Status Register */
#define c5_IFSR 13 /* Instruction Fault Status Register */
#define c5_ADFSR 14 /* Auxilary Data Fault Status R */
#define c5_AIFSR 15 /* Auxilary Instrunction Fault Status R */
#define c6_DFAR 16 /* Data Fault Address Register */
#define c6_IFAR 17 /* Instruction Fault Address Register */
#define c7_PAR 18 /* Physical Address Register */
#define c7_PAR_high 19 /* PAR top 32 bits */
#define c9_L2CTLR 20 /* Cortex A15/A7 L2 Control Register */
#define c10_PRRR 21 /* Primary Region Remap Register */
#define c10_NMRR 22 /* Normal Memory Remap Register */
#define c12_VBAR 23 /* Vector Base Address Register */
#define c13_CID 24 /* Context ID Register */
#define c13_TID_URW 25 /* Thread ID, User R/W */
#define c13_TID_URO 26 /* Thread ID, User R/O */
#define c13_TID_PRIV 27 /* Thread ID, Privileged */
#define c14_CNTKCTL 28 /* Timer Control Register (PL1) */
#define c10_AMAIR0 29 /* Auxilary Memory Attribute Indirection Reg0 */
#define c10_AMAIR1 30 /* Auxilary Memory Attribute Indirection Reg1 */
#define NR_CP15_REGS 31 /* Number of regs (incl. invalid) */
#define ARM_EXCEPTION_RESET 0
#define ARM_EXCEPTION_UNDEFINED 1
#define ARM_EXCEPTION_SOFTWARE 2
#define ARM_EXCEPTION_PREF_ABORT 3
#define ARM_EXCEPTION_DATA_ABORT 4
#define ARM_EXCEPTION_IRQ 5
#define ARM_EXCEPTION_FIQ 6
#define ARM_EXCEPTION_HVC 7
/*
* The rr_lo_hi macro swaps a pair of registers depending on
* current endianness. It is used in conjunction with ldrd and strd
* instructions that load/store a 64-bit value from/to memory to/from
* a pair of registers which are used with the mrrc and mcrr instructions.
* If used with the ldrd/strd instructions, the a1 parameter is the first
* source/destination register and the a2 parameter is the second
* source/destination register. Note that the ldrd/strd instructions
* already swap the bytes within the words correctly according to the
* endianness setting, but the order of the registers need to be effectively
* swapped when used with the mrrc/mcrr instructions.
*/
#ifdef CONFIG_CPU_ENDIAN_BE8
#define rr_lo_hi(a1, a2) a2, a1
#else
#define rr_lo_hi(a1, a2) a1, a2
#endif
#ifndef __ASSEMBLY__
struct kvm;
struct kvm_vcpu;
extern char __kvm_hyp_init[];
extern char __kvm_hyp_init_end[];
extern char __kvm_hyp_exit[];
extern char __kvm_hyp_exit_end[];
extern char __kvm_hyp_vector[];
extern char __kvm_hyp_code_start[];
extern char __kvm_hyp_code_end[];
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);
#endif
#endif /* __ARM_KVM_ASM_H__ */
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