Adding upstream version 6.1.76.upstream/6.1.76

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 135 insertions, 0 deletions

diff --git a/arch/arm64/kernel/image-vars.h b/arch/arm64/kernel/image-vars.h
new file mode 100644
index 000000000..815141265
--- /dev/null
+++ b/arch/arm64/kernel/image-vars.h
@@ -0,0 +1,135 @@
+/* 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_kernel_size		= _edata - _text);
+PROVIDE(__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
+ */
+PROVIDE(__efistub_memcmp		= __pi_memcmp);
+PROVIDE(__efistub_memchr		= __pi_memchr);
+PROVIDE(__efistub_strlen		= __pi_strlen);
+PROVIDE(__efistub_strnlen		= __pi_strnlen);
+PROVIDE(__efistub_strcmp		= __pi_strcmp);
+PROVIDE(__efistub_strncmp		= __pi_strncmp);
+PROVIDE(__efistub_strrchr		= __pi_strrchr);
+PROVIDE(__efistub_dcache_clean_poc	= __pi_dcache_clean_poc);
+
+PROVIDE(__efistub__text			= _text);
+PROVIDE(__efistub__end			= _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);
+
+/* Kernel symbol used by icache_is_vpipt(). */
+KVM_NVHE_ALIAS(__icache_flags);
+
+/* VMID bits set by the KVM VMID allocator */
+KVM_NVHE_ALIAS(kvm_arm_vmid_bits);
+
+/* 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 */
+#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
+
+/* 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 */