113 lines
3.4 KiB
C
113 lines
3.4 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
|
|
|
|
#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;
|
|
|
|
#ifdef CONFIG_KASAN
|
|
__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.
|
|
*/
|
|
|
|
#define KVM_NVHE_ALIAS(sym) __kvm_nvhe_##sym = sym;
|
|
|
|
/* Alternative callbacks for init-time patching of nVHE hyp code. */
|
|
KVM_NVHE_ALIAS(arm64_enable_wa2_handling);
|
|
KVM_NVHE_ALIAS(kvm_patch_vector_branch);
|
|
KVM_NVHE_ALIAS(kvm_update_va_mask);
|
|
|
|
/* Global kernel state accessed by nVHE hyp code. */
|
|
KVM_NVHE_ALIAS(arm64_ssbd_callback_required);
|
|
KVM_NVHE_ALIAS(kvm_host_data);
|
|
KVM_NVHE_ALIAS(kvm_vgic_global_state);
|
|
|
|
/* Kernel constant needed to compute idmap addresses. */
|
|
KVM_NVHE_ALIAS(kimage_voffset);
|
|
|
|
/* 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);
|
|
|
|
/* IDMAP TCR_EL1.T0SZ as computed by the EL1 init code */
|
|
KVM_NVHE_ALIAS(idmap_t0sz);
|
|
|
|
/* 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);
|
|
KVM_NVHE_ALIAS(cpu_hwcaps);
|
|
|
|
/* 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);
|
|
#endif
|
|
|
|
/* EL2 exception handling */
|
|
KVM_NVHE_ALIAS(__start___kvm_ex_table);
|
|
KVM_NVHE_ALIAS(__stop___kvm_ex_table);
|
|
|
|
#endif /* CONFIG_KVM */
|
|
|
|
#endif /* __ARM64_KERNEL_IMAGE_VARS_H */
|