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Based on 1 normalized pattern(s): 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 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 503 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Enrico Weigelt <info@metux.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190602204653.811534538@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
73 lines
2.7 KiB
C
73 lines
2.7 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Original code:
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* Copyright (C) 2012 - Virtual Open Systems and Columbia University
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* Author: Christoffer Dall <c.dall@virtualopensystems.com>
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*
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* Mostly rewritten in C by Marc Zyngier <marc.zyngier@arm.com>
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*/
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#include <asm/kvm_hyp.h>
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static u64 *cp15_64(struct kvm_cpu_context *ctxt, int idx)
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{
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return (u64 *)(ctxt->cp15 + idx);
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}
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void __hyp_text __sysreg_save_state(struct kvm_cpu_context *ctxt)
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{
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ctxt->cp15[c0_CSSELR] = read_sysreg(CSSELR);
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ctxt->cp15[c1_SCTLR] = read_sysreg(SCTLR);
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ctxt->cp15[c1_CPACR] = read_sysreg(CPACR);
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*cp15_64(ctxt, c2_TTBR0) = read_sysreg(TTBR0);
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*cp15_64(ctxt, c2_TTBR1) = read_sysreg(TTBR1);
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ctxt->cp15[c2_TTBCR] = read_sysreg(TTBCR);
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ctxt->cp15[c3_DACR] = read_sysreg(DACR);
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ctxt->cp15[c5_DFSR] = read_sysreg(DFSR);
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ctxt->cp15[c5_IFSR] = read_sysreg(IFSR);
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ctxt->cp15[c5_ADFSR] = read_sysreg(ADFSR);
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ctxt->cp15[c5_AIFSR] = read_sysreg(AIFSR);
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ctxt->cp15[c6_DFAR] = read_sysreg(DFAR);
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ctxt->cp15[c6_IFAR] = read_sysreg(IFAR);
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*cp15_64(ctxt, c7_PAR) = read_sysreg(PAR);
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ctxt->cp15[c10_PRRR] = read_sysreg(PRRR);
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ctxt->cp15[c10_NMRR] = read_sysreg(NMRR);
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ctxt->cp15[c10_AMAIR0] = read_sysreg(AMAIR0);
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ctxt->cp15[c10_AMAIR1] = read_sysreg(AMAIR1);
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ctxt->cp15[c12_VBAR] = read_sysreg(VBAR);
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ctxt->cp15[c13_CID] = read_sysreg(CID);
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ctxt->cp15[c13_TID_URW] = read_sysreg(TID_URW);
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ctxt->cp15[c13_TID_URO] = read_sysreg(TID_URO);
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ctxt->cp15[c13_TID_PRIV] = read_sysreg(TID_PRIV);
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ctxt->cp15[c14_CNTKCTL] = read_sysreg(CNTKCTL);
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}
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void __hyp_text __sysreg_restore_state(struct kvm_cpu_context *ctxt)
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{
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write_sysreg(ctxt->cp15[c0_MPIDR], VMPIDR);
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write_sysreg(ctxt->cp15[c0_CSSELR], CSSELR);
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write_sysreg(ctxt->cp15[c1_SCTLR], SCTLR);
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write_sysreg(ctxt->cp15[c1_CPACR], CPACR);
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write_sysreg(*cp15_64(ctxt, c2_TTBR0), TTBR0);
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write_sysreg(*cp15_64(ctxt, c2_TTBR1), TTBR1);
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write_sysreg(ctxt->cp15[c2_TTBCR], TTBCR);
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write_sysreg(ctxt->cp15[c3_DACR], DACR);
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write_sysreg(ctxt->cp15[c5_DFSR], DFSR);
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write_sysreg(ctxt->cp15[c5_IFSR], IFSR);
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write_sysreg(ctxt->cp15[c5_ADFSR], ADFSR);
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write_sysreg(ctxt->cp15[c5_AIFSR], AIFSR);
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write_sysreg(ctxt->cp15[c6_DFAR], DFAR);
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write_sysreg(ctxt->cp15[c6_IFAR], IFAR);
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write_sysreg(*cp15_64(ctxt, c7_PAR), PAR);
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write_sysreg(ctxt->cp15[c10_PRRR], PRRR);
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write_sysreg(ctxt->cp15[c10_NMRR], NMRR);
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write_sysreg(ctxt->cp15[c10_AMAIR0], AMAIR0);
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write_sysreg(ctxt->cp15[c10_AMAIR1], AMAIR1);
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write_sysreg(ctxt->cp15[c12_VBAR], VBAR);
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write_sysreg(ctxt->cp15[c13_CID], CID);
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write_sysreg(ctxt->cp15[c13_TID_URW], TID_URW);
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write_sysreg(ctxt->cp15[c13_TID_URO], TID_URO);
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write_sysreg(ctxt->cp15[c13_TID_PRIV], TID_PRIV);
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write_sysreg(ctxt->cp15[c14_CNTKCTL], CNTKCTL);
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}
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