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- /* SPDX-License-Identifier: GPL-2.0-only */
- /*
- * Linker script variables to be set after section resolution, as
- * ld.lld does not like variables assigned before SECTIONS is processed.
- */
- #ifndef __ARM64_KERNEL_IMAGE_VARS_H
- #define __ARM64_KERNEL_IMAGE_VARS_H
- #ifndef LINKER_SCRIPT
- #error This file should only be included in vmlinux.lds.S
- #endif
- #ifdef CONFIG_EFI
- __efistub_kernel_size = _edata - _text;
- __efistub_primary_entry_offset = primary_entry - _text;
- /*
- * The EFI stub has its own symbol namespace prefixed by __efistub_, to
- * isolate it from the kernel proper. The following symbols are legally
- * accessed by the stub, so provide some aliases to make them accessible.
- * Only include data symbols here, or text symbols of functions that are
- * guaranteed to be safe when executed at another offset than they were
- * linked at. The routines below are all implemented in assembler in a
- * position independent manner
- */
- __efistub_memcmp = __pi_memcmp;
- __efistub_memchr = __pi_memchr;
- __efistub_memcpy = __pi_memcpy;
- __efistub_memmove = __pi_memmove;
- __efistub_memset = __pi_memset;
- __efistub_strlen = __pi_strlen;
- __efistub_strnlen = __pi_strnlen;
- __efistub_strcmp = __pi_strcmp;
- __efistub_strncmp = __pi_strncmp;
- __efistub_strrchr = __pi_strrchr;
- __efistub___clean_dcache_area_poc = __pi___clean_dcache_area_poc;
- #if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)
- __efistub___memcpy = __pi_memcpy;
- __efistub___memmove = __pi_memmove;
- __efistub___memset = __pi_memset;
- #endif
- __efistub__text = _text;
- __efistub__end = _end;
- __efistub__edata = _edata;
- __efistub_screen_info = screen_info;
- __efistub__ctype = _ctype;
- #endif
- #ifdef CONFIG_KVM
- /*
- * KVM nVHE code has its own symbol namespace prefixed with __kvm_nvhe_, to
- * separate it from the kernel proper. The following symbols are legally
- * accessed by it, therefore provide aliases to make them linkable.
- * Do not include symbols which may not be safely accessed under hypervisor
- * memory mappings.
- */
- /* Alternative callbacks for init-time patching of nVHE hyp code. */
- KVM_NVHE_ALIAS(kvm_patch_vector_branch);
- KVM_NVHE_ALIAS(kvm_update_va_mask);
- KVM_NVHE_ALIAS(kvm_get_kimage_voffset);
- KVM_NVHE_ALIAS(kvm_compute_final_ctr_el0);
- KVM_NVHE_ALIAS(spectre_bhb_patch_loop_iter);
- KVM_NVHE_ALIAS(spectre_bhb_patch_loop_mitigation_enable);
- KVM_NVHE_ALIAS(spectre_bhb_patch_wa3);
- KVM_NVHE_ALIAS(spectre_bhb_patch_clearbhb);
- /* Global kernel state accessed by nVHE hyp code. */
- KVM_NVHE_ALIAS(kvm_vgic_global_state);
- /* Kernel symbols used to call panic() from nVHE hyp code (via ERET). */
- KVM_NVHE_ALIAS(__hyp_panic_string);
- KVM_NVHE_ALIAS(panic);
- /* Vectors installed by hyp-init on reset HVC. */
- KVM_NVHE_ALIAS(__hyp_stub_vectors);
- /* Kernel symbol used by icache_is_vpipt(). */
- KVM_NVHE_ALIAS(__icache_flags);
- /* Kernel symbols needed for cpus_have_final/const_caps checks. */
- KVM_NVHE_ALIAS(arm64_const_caps_ready);
- KVM_NVHE_ALIAS(cpu_hwcap_keys);
- /* Static keys which are set if a vGIC trap should be handled in hyp. */
- KVM_NVHE_ALIAS(vgic_v2_cpuif_trap);
- KVM_NVHE_ALIAS(vgic_v3_cpuif_trap);
- /* Static key checked in pmr_sync(). */
- #ifdef CONFIG_ARM64_PSEUDO_NMI
- KVM_NVHE_ALIAS(gic_pmr_sync);
- /* Static key checked in GIC_PRIO_IRQOFF. */
- KVM_NVHE_ALIAS(gic_nonsecure_priorities);
- #endif
- /* EL2 exception handling */
- KVM_NVHE_ALIAS(__start___kvm_ex_table);
- KVM_NVHE_ALIAS(__stop___kvm_ex_table);
- /* Array containing bases of nVHE per-CPU memory regions. */
- KVM_NVHE_ALIAS(kvm_arm_hyp_percpu_base);
- /* PMU available static key */
- KVM_NVHE_ALIAS(kvm_arm_pmu_available);
- /* Position-independent library routines */
- KVM_NVHE_ALIAS_HYP(clear_page, __pi_clear_page);
- KVM_NVHE_ALIAS_HYP(copy_page, __pi_copy_page);
- KVM_NVHE_ALIAS_HYP(memcpy, __pi_memcpy);
- KVM_NVHE_ALIAS_HYP(memset, __pi_memset);
- #ifdef CONFIG_KASAN
- KVM_NVHE_ALIAS_HYP(__memcpy, __pi_memcpy);
- KVM_NVHE_ALIAS_HYP(__memset, __pi_memset);
- #endif
- /* Kernel memory sections */
- KVM_NVHE_ALIAS(__start_rodata);
- KVM_NVHE_ALIAS(__end_rodata);
- KVM_NVHE_ALIAS(__bss_start);
- KVM_NVHE_ALIAS(__bss_stop);
- /* Hyp memory sections */
- KVM_NVHE_ALIAS(__hyp_idmap_text_start);
- KVM_NVHE_ALIAS(__hyp_idmap_text_end);
- KVM_NVHE_ALIAS(__hyp_text_start);
- KVM_NVHE_ALIAS(__hyp_text_end);
- KVM_NVHE_ALIAS(__hyp_bss_start);
- KVM_NVHE_ALIAS(__hyp_bss_end);
- KVM_NVHE_ALIAS(__hyp_rodata_start);
- KVM_NVHE_ALIAS(__hyp_rodata_end);
- /* pKVM static key */
- KVM_NVHE_ALIAS(kvm_protected_mode_initialized);
- #endif /* CONFIG_KVM */
- #endif /* __ARM64_KERNEL_IMAGE_VARS_H */
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