1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Copyright (C) 2020 Google LLC. 4 * Written by David Brazdil <dbrazdil@google.com> 5 */ 6 7 #ifndef __ARM64_HYP_IMAGE_H__ 8 #define __ARM64_HYP_IMAGE_H__ 9 10 /* 11 * KVM nVHE code has its own symbol namespace prefixed with __kvm_nvhe_, 12 * to separate it from the kernel proper. 13 */ 14 #define kvm_nvhe_sym(sym) __kvm_nvhe_##sym 15 16 #ifdef LINKER_SCRIPT 17 18 /* 19 * KVM nVHE ELF section names are prefixed with .hyp, to separate them 20 * from the kernel proper. 21 */ 22 #define HYP_SECTION_NAME(NAME) .hyp##NAME 23 24 /* Defines an ELF hyp section from input section @NAME and its subsections. */ 25 #define HYP_SECTION(NAME) \ 26 HYP_SECTION_NAME(NAME) : { *(NAME NAME##.*) } 27 28 /* 29 * Defines a linker script alias of a kernel-proper symbol referenced by 30 * KVM nVHE hyp code. 31 */ 32 #define KVM_NVHE_ALIAS(sym) kvm_nvhe_sym(sym) = sym; 33 34 #endif /* LINKER_SCRIPT */ 35 36 #endif /* __ARM64_HYP_IMAGE_H__ */ 37