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