112 lines
3.6 KiB
C
112 lines
3.6 KiB
C
/* 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
|
|
|
|
PROVIDE(__efistub_primary_entry = primary_entry);
|
|
|
|
/*
|
|
* 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
|
|
*/
|
|
PROVIDE(__efistub_caches_clean_inval_pou = __pi_caches_clean_inval_pou);
|
|
|
|
PROVIDE(__efistub__text = _text);
|
|
PROVIDE(__efistub__end = _end);
|
|
PROVIDE(__efistub___inittext_end = __inittext_end);
|
|
PROVIDE(__efistub__edata = _edata);
|
|
PROVIDE(__efistub_screen_info = screen_info);
|
|
PROVIDE(__efistub__ctype = _ctype);
|
|
|
|
PROVIDE(__pi___memcpy = __pi_memcpy);
|
|
PROVIDE(__pi___memmove = __pi_memmove);
|
|
PROVIDE(__pi___memset = __pi_memset);
|
|
|
|
#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);
|
|
KVM_NVHE_ALIAS(alt_cb_patch_nops);
|
|
|
|
/* 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(nvhe_hyp_panic_handler);
|
|
|
|
/* Vectors installed by hyp-init on reset HVC. */
|
|
KVM_NVHE_ALIAS(__hyp_stub_vectors);
|
|
|
|
/* 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);
|
|
|
|
#ifdef CONFIG_ARM64_PSEUDO_NMI
|
|
/* 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);
|
|
|
|
/* PMU available static key */
|
|
#ifdef CONFIG_HW_PERF_EVENTS
|
|
KVM_NVHE_ALIAS(kvm_arm_pmu_available);
|
|
#endif
|
|
|
|
/* 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
|
|
|
|
/* 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 */
|