18fbf8cfbb
commit 7b4a7b5e6fefd15f708f959dd43e188444e252ec upstream Pull clear_page(), copy_page(), memcpy() and memset() into the nVHE hyp code and ensure that we always execute the '__pi_' entry point on the offchance that it changes in future. [ qperret: Commit title nits and added linker script alias ] Signed-off-by: Will Deacon <will@kernel.org> Signed-off-by: Quentin Perret <qperret@google.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20210319100146.1149909-3-qperret@google.com [sudip: adjust context] Signed-off-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
40 lines
1.0 KiB
C
40 lines
1.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (C) 2020 Google LLC.
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* Written by David Brazdil <dbrazdil@google.com>
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*/
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#ifndef __ARM64_HYP_IMAGE_H__
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#define __ARM64_HYP_IMAGE_H__
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/*
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* KVM nVHE code has its own symbol namespace prefixed with __kvm_nvhe_,
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* to separate it from the kernel proper.
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*/
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#define kvm_nvhe_sym(sym) __kvm_nvhe_##sym
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#ifdef LINKER_SCRIPT
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/*
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* KVM nVHE ELF section names are prefixed with .hyp, to separate them
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* from the kernel proper.
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*/
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#define HYP_SECTION_NAME(NAME) .hyp##NAME
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/* Defines an ELF hyp section from input section @NAME and its subsections. */
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#define HYP_SECTION(NAME) \
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HYP_SECTION_NAME(NAME) : { *(NAME NAME##.*) }
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/*
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* Defines a linker script alias of a kernel-proper symbol referenced by
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* KVM nVHE hyp code.
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*/
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#define KVM_NVHE_ALIAS(sym) kvm_nvhe_sym(sym) = sym;
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/* Defines a linker script alias for KVM nVHE hyp symbols */
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#define KVM_NVHE_ALIAS_HYP(first, sec) kvm_nvhe_sym(first) = kvm_nvhe_sym(sec);
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#endif /* LINKER_SCRIPT */
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#endif /* __ARM64_HYP_IMAGE_H__ */
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