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/*
* Copyright (C) 2015 - 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_HYP_H__
#define __ARM_KVM_HYP_H__
#include <linux/compiler.h>
#include <linux/kvm_host.h>
#include <asm/kvm_mmu.h>
#define __hyp_text __section(.hyp.text) notrace
#define kern_hyp_va(v) (v)
#define hyp_kern_va(v) (v)
#define __ACCESS_CP15(CRn, Op1, CRm, Op2) \
"mrc", "mcr", __stringify(p15, Op1, %0, CRn, CRm, Op2), u32
#define __ACCESS_CP15_64(Op1, CRm) \
"mrrc", "mcrr", __stringify(p15, Op1, %Q0, %R0, CRm), u64
#define __write_sysreg(v, r, w, c, t) asm volatile(w " " c : : "r" ((t)(v)))
#define write_sysreg(v, ...) __write_sysreg(v, __VA_ARGS__)
#define __read_sysreg(r, w, c, t) ({ \
t __val; \
asm volatile(r " " c : "=r" (__val)); \
__val; \
})
#define read_sysreg(...) __read_sysreg(__VA_ARGS__)
#define VTTBR __ACCESS_CP15_64(6, c2)
#define ICIALLUIS __ACCESS_CP15(c7, 0, c1, 0)
#define TLBIALLIS __ACCESS_CP15(c8, 0, c3, 0)
#define TLBIALLNSNHIS __ACCESS_CP15(c8, 4, c3, 4)
#endif /* __ARM_KVM_HYP_H__ */
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