1/* SPDX-License-Identifier: GPL-2.0-only */ 2/* 3 * Linker script variables to be set after section resolution, as 4 * ld.lld does not like variables assigned before SECTIONS is processed. 5 */ 6#ifndef __ARM64_KERNEL_IMAGE_VARS_H 7#define __ARM64_KERNEL_IMAGE_VARS_H 8 9#ifndef LINKER_SCRIPT 10#error This file should only be included in vmlinux.lds.S 11#endif 12 13PROVIDE(__efistub_primary_entry = primary_entry); 14 15/* 16 * The EFI stub has its own symbol namespace prefixed by __efistub_, to 17 * isolate it from the kernel proper. The following symbols are legally 18 * accessed by the stub, so provide some aliases to make them accessible. 19 * Only include data symbols here, or text symbols of functions that are 20 * guaranteed to be safe when executed at another offset than they were 21 * linked at. The routines below are all implemented in assembler in a 22 * position independent manner 23 */ 24PROVIDE(__efistub_caches_clean_inval_pou = __pi_caches_clean_inval_pou); 25 26PROVIDE(__efistub__text = _text); 27PROVIDE(__efistub__end = _end); 28PROVIDE(__efistub___inittext_end = __inittext_end); 29PROVIDE(__efistub__edata = _edata); 30#if defined(CONFIG_EFI_EARLYCON) || defined(CONFIG_SYSFB) 31PROVIDE(__efistub_screen_info = screen_info); 32#endif 33PROVIDE(__efistub__ctype = _ctype); 34 35PROVIDE(__pi___memcpy = __pi_memcpy); 36PROVIDE(__pi___memmove = __pi_memmove); 37PROVIDE(__pi___memset = __pi_memset); 38 39PROVIDE(__pi_id_aa64isar1_override = id_aa64isar1_override); 40PROVIDE(__pi_id_aa64isar2_override = id_aa64isar2_override); 41PROVIDE(__pi_id_aa64mmfr0_override = id_aa64mmfr0_override); 42PROVIDE(__pi_id_aa64mmfr1_override = id_aa64mmfr1_override); 43PROVIDE(__pi_id_aa64mmfr2_override = id_aa64mmfr2_override); 44PROVIDE(__pi_id_aa64pfr0_override = id_aa64pfr0_override); 45PROVIDE(__pi_id_aa64pfr1_override = id_aa64pfr1_override); 46PROVIDE(__pi_id_aa64smfr0_override = id_aa64smfr0_override); 47PROVIDE(__pi_id_aa64zfr0_override = id_aa64zfr0_override); 48PROVIDE(__pi_arm64_sw_feature_override = arm64_sw_feature_override); 49PROVIDE(__pi_arm64_use_ng_mappings = arm64_use_ng_mappings); 50#ifdef CONFIG_CAVIUM_ERRATUM_27456 51PROVIDE(__pi_cavium_erratum_27456_cpus = cavium_erratum_27456_cpus); 52#endif 53PROVIDE(__pi__ctype = _ctype); 54PROVIDE(__pi_memstart_offset_seed = memstart_offset_seed); 55 56PROVIDE(__pi_init_idmap_pg_dir = init_idmap_pg_dir); 57PROVIDE(__pi_init_idmap_pg_end = init_idmap_pg_end); 58PROVIDE(__pi_init_pg_dir = init_pg_dir); 59PROVIDE(__pi_init_pg_end = init_pg_end); 60PROVIDE(__pi_swapper_pg_dir = swapper_pg_dir); 61 62PROVIDE(__pi__text = _text); 63PROVIDE(__pi__stext = _stext); 64PROVIDE(__pi__etext = _etext); 65PROVIDE(__pi___start_rodata = __start_rodata); 66PROVIDE(__pi___inittext_begin = __inittext_begin); 67PROVIDE(__pi___inittext_end = __inittext_end); 68PROVIDE(__pi___initdata_begin = __initdata_begin); 69PROVIDE(__pi___initdata_end = __initdata_end); 70PROVIDE(__pi__data = _data); 71PROVIDE(__pi___bss_start = __bss_start); 72PROVIDE(__pi__end = _end); 73 74#ifdef CONFIG_KVM 75 76/* 77 * KVM nVHE code has its own symbol namespace prefixed with __kvm_nvhe_, to 78 * separate it from the kernel proper. The following symbols are legally 79 * accessed by it, therefore provide aliases to make them linkable. 80 * Do not include symbols which may not be safely accessed under hypervisor 81 * memory mappings. 82 */ 83 84/* Alternative callbacks for init-time patching of nVHE hyp code. */ 85KVM_NVHE_ALIAS(kvm_patch_vector_branch); 86KVM_NVHE_ALIAS(kvm_update_va_mask); 87KVM_NVHE_ALIAS(kvm_get_kimage_voffset); 88KVM_NVHE_ALIAS(kvm_compute_final_ctr_el0); 89KVM_NVHE_ALIAS(spectre_bhb_patch_loop_iter); 90KVM_NVHE_ALIAS(spectre_bhb_patch_loop_mitigation_enable); 91KVM_NVHE_ALIAS(spectre_bhb_patch_wa3); 92KVM_NVHE_ALIAS(spectre_bhb_patch_clearbhb); 93KVM_NVHE_ALIAS(alt_cb_patch_nops); 94 95/* Global kernel state accessed by nVHE hyp code. */ 96KVM_NVHE_ALIAS(kvm_vgic_global_state); 97 98/* Kernel symbols used to call panic() from nVHE hyp code (via ERET). */ 99KVM_NVHE_ALIAS(nvhe_hyp_panic_handler); 100 101/* Vectors installed by hyp-init on reset HVC. */ 102KVM_NVHE_ALIAS(__hyp_stub_vectors); 103 104/* Static keys which are set if a vGIC trap should be handled in hyp. */ 105KVM_NVHE_ALIAS(vgic_v2_cpuif_trap); 106KVM_NVHE_ALIAS(vgic_v3_cpuif_trap); 107 108#ifdef CONFIG_ARM64_PSEUDO_NMI 109/* Static key checked in GIC_PRIO_IRQOFF. */ 110KVM_NVHE_ALIAS(gic_nonsecure_priorities); 111#endif 112 113/* EL2 exception handling */ 114KVM_NVHE_ALIAS(__start___kvm_ex_table); 115KVM_NVHE_ALIAS(__stop___kvm_ex_table); 116 117/* PMU available static key */ 118#ifdef CONFIG_HW_PERF_EVENTS 119KVM_NVHE_ALIAS(kvm_arm_pmu_available); 120#endif 121 122/* Position-independent library routines */ 123KVM_NVHE_ALIAS_HYP(clear_page, __pi_clear_page); 124KVM_NVHE_ALIAS_HYP(copy_page, __pi_copy_page); 125KVM_NVHE_ALIAS_HYP(memcpy, __pi_memcpy); 126KVM_NVHE_ALIAS_HYP(memset, __pi_memset); 127 128#ifdef CONFIG_KASAN 129KVM_NVHE_ALIAS_HYP(__memcpy, __pi_memcpy); 130KVM_NVHE_ALIAS_HYP(__memset, __pi_memset); 131#endif 132 133/* Hyp memory sections */ 134KVM_NVHE_ALIAS(__hyp_idmap_text_start); 135KVM_NVHE_ALIAS(__hyp_idmap_text_end); 136KVM_NVHE_ALIAS(__hyp_text_start); 137KVM_NVHE_ALIAS(__hyp_text_end); 138KVM_NVHE_ALIAS(__hyp_bss_start); 139KVM_NVHE_ALIAS(__hyp_bss_end); 140KVM_NVHE_ALIAS(__hyp_rodata_start); 141KVM_NVHE_ALIAS(__hyp_rodata_end); 142 143/* pKVM static key */ 144KVM_NVHE_ALIAS(kvm_protected_mode_initialized); 145 146#endif /* CONFIG_KVM */ 147 148#ifdef CONFIG_EFI_ZBOOT 149_kernel_codesize = ABSOLUTE(__inittext_end - _text); 150#endif 151 152#endif /* __ARM64_KERNEL_IMAGE_VARS_H */ 153