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Release 4.11 arch/arm/kvm/hyp/cp15-sr.c

Directory: arch/arm/kvm/hyp
/*
 * Original code:
 * Copyright (C) 2012 - Virtual Open Systems and Columbia University
 * Author: Christoffer Dall <c.dall@virtualopensystems.com>
 *
 * Mostly rewritten in C by 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/>.
 */

#include <asm/kvm_hyp.h>


static u64 *cp15_64(struct kvm_cpu_context *ctxt, int idx) { return (u64 *)(ctxt->cp15 + idx); }

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Marc Zyngier28100.00%1100.00%
Total28100.00%1100.00%


void __hyp_text __sysreg_save_state(struct kvm_cpu_context *ctxt) { ctxt->cp15[c0_MPIDR] = read_sysreg(VMPIDR); ctxt->cp15[c0_CSSELR] = read_sysreg(CSSELR); ctxt->cp15[c1_SCTLR] = read_sysreg(SCTLR); ctxt->cp15[c1_CPACR] = read_sysreg(CPACR); *cp15_64(ctxt, c2_TTBR0) = read_sysreg(TTBR0); *cp15_64(ctxt, c2_TTBR1) = read_sysreg(TTBR1); ctxt->cp15[c2_TTBCR] = read_sysreg(TTBCR); ctxt->cp15[c3_DACR] = read_sysreg(DACR); ctxt->cp15[c5_DFSR] = read_sysreg(DFSR); ctxt->cp15[c5_IFSR] = read_sysreg(IFSR); ctxt->cp15[c5_ADFSR] = read_sysreg(ADFSR); ctxt->cp15[c5_AIFSR] = read_sysreg(AIFSR); ctxt->cp15[c6_DFAR] = read_sysreg(DFAR); ctxt->cp15[c6_IFAR] = read_sysreg(IFAR); *cp15_64(ctxt, c7_PAR) = read_sysreg(PAR); ctxt->cp15[c10_PRRR] = read_sysreg(PRRR); ctxt->cp15[c10_NMRR] = read_sysreg(NMRR); ctxt->cp15[c10_AMAIR0] = read_sysreg(AMAIR0); ctxt->cp15[c10_AMAIR1] = read_sysreg(AMAIR1); ctxt->cp15[c12_VBAR] = read_sysreg(VBAR); ctxt->cp15[c13_CID] = read_sysreg(CID); ctxt->cp15[c13_TID_URW] = read_sysreg(TID_URW); ctxt->cp15[c13_TID_URO] = read_sysreg(TID_URO); ctxt->cp15[c13_TID_PRIV] = read_sysreg(TID_PRIV); ctxt->cp15[c14_CNTKCTL] = read_sysreg(CNTKCTL); }

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PersonTokensPropCommitsCommitProp
Marc Zyngier314100.00%1100.00%
Total314100.00%1100.00%


void __hyp_text __sysreg_restore_state(struct kvm_cpu_context *ctxt) { write_sysreg(ctxt->cp15[c0_MPIDR], VMPIDR); write_sysreg(ctxt->cp15[c0_CSSELR], CSSELR); write_sysreg(ctxt->cp15[c1_SCTLR], SCTLR); write_sysreg(ctxt->cp15[c1_CPACR], CPACR); write_sysreg(*cp15_64(ctxt, c2_TTBR0), TTBR0); write_sysreg(*cp15_64(ctxt, c2_TTBR1), TTBR1); write_sysreg(ctxt->cp15[c2_TTBCR], TTBCR); write_sysreg(ctxt->cp15[c3_DACR], DACR); write_sysreg(ctxt->cp15[c5_DFSR], DFSR); write_sysreg(ctxt->cp15[c5_IFSR], IFSR); write_sysreg(ctxt->cp15[c5_ADFSR], ADFSR); write_sysreg(ctxt->cp15[c5_AIFSR], AIFSR); write_sysreg(ctxt->cp15[c6_DFAR], DFAR); write_sysreg(ctxt->cp15[c6_IFAR], IFAR); write_sysreg(*cp15_64(ctxt, c7_PAR), PAR); write_sysreg(ctxt->cp15[c10_PRRR], PRRR); write_sysreg(ctxt->cp15[c10_NMRR], NMRR); write_sysreg(ctxt->cp15[c10_AMAIR0], AMAIR0); write_sysreg(ctxt->cp15[c10_AMAIR1], AMAIR1); write_sysreg(ctxt->cp15[c12_VBAR], VBAR); write_sysreg(ctxt->cp15[c13_CID], CID); write_sysreg(ctxt->cp15[c13_TID_URW], TID_URW); write_sysreg(ctxt->cp15[c13_TID_URO], TID_URO); write_sysreg(ctxt->cp15[c13_TID_PRIV], TID_PRIV); write_sysreg(ctxt->cp15[c14_CNTKCTL], CNTKCTL); }

Contributors

PersonTokensPropCommitsCommitProp
Marc Zyngier314100.00%1100.00%
Total314100.00%1100.00%


Overall Contributors

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Marc Zyngier660100.00%2100.00%
Total660100.00%2100.00%
Directory: arch/arm/kvm/hyp
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