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-rw-r--r--arch/arm64/kernel/asm-offsets.c185
1 files changed, 185 insertions, 0 deletions
diff --git a/arch/arm64/kernel/asm-offsets.c b/arch/arm64/kernel/asm-offsets.c
new file mode 100644
index 000000000..1197e7679
--- /dev/null
+++ b/arch/arm64/kernel/asm-offsets.c
@@ -0,0 +1,185 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Based on arch/arm/kernel/asm-offsets.c
+ *
+ * Copyright (C) 1995-2003 Russell King
+ * 2001-2002 Keith Owens
+ * Copyright (C) 2012 ARM Ltd.
+ */
+
+#include <linux/arm_sdei.h>
+#include <linux/sched.h>
+#include <linux/kexec.h>
+#include <linux/mm.h>
+#include <linux/dma-mapping.h>
+#include <linux/kvm_host.h>
+#include <linux/preempt.h>
+#include <linux/suspend.h>
+#include <asm/cpufeature.h>
+#include <asm/fixmap.h>
+#include <asm/thread_info.h>
+#include <asm/memory.h>
+#include <asm/signal32.h>
+#include <asm/smp_plat.h>
+#include <asm/suspend.h>
+#include <linux/kbuild.h>
+#include <linux/arm-smccc.h>
+
+int main(void)
+{
+ DEFINE(TSK_ACTIVE_MM, offsetof(struct task_struct, active_mm));
+ BLANK();
+ DEFINE(TSK_TI_CPU, offsetof(struct task_struct, thread_info.cpu));
+ DEFINE(TSK_TI_FLAGS, offsetof(struct task_struct, thread_info.flags));
+ DEFINE(TSK_TI_PREEMPT, offsetof(struct task_struct, thread_info.preempt_count));
+#ifdef CONFIG_ARM64_SW_TTBR0_PAN
+ DEFINE(TSK_TI_TTBR0, offsetof(struct task_struct, thread_info.ttbr0));
+#endif
+#ifdef CONFIG_SHADOW_CALL_STACK
+ DEFINE(TSK_TI_SCS_BASE, offsetof(struct task_struct, thread_info.scs_base));
+ DEFINE(TSK_TI_SCS_SP, offsetof(struct task_struct, thread_info.scs_sp));
+#endif
+ DEFINE(TSK_STACK, offsetof(struct task_struct, stack));
+#ifdef CONFIG_STACKPROTECTOR
+ DEFINE(TSK_STACK_CANARY, offsetof(struct task_struct, stack_canary));
+#endif
+ BLANK();
+ DEFINE(THREAD_CPU_CONTEXT, offsetof(struct task_struct, thread.cpu_context));
+ DEFINE(THREAD_SCTLR_USER, offsetof(struct task_struct, thread.sctlr_user));
+#ifdef CONFIG_ARM64_PTR_AUTH
+ DEFINE(THREAD_KEYS_USER, offsetof(struct task_struct, thread.keys_user));
+#endif
+#ifdef CONFIG_ARM64_PTR_AUTH_KERNEL
+ DEFINE(THREAD_KEYS_KERNEL, offsetof(struct task_struct, thread.keys_kernel));
+#endif
+#ifdef CONFIG_ARM64_MTE
+ DEFINE(THREAD_MTE_CTRL, offsetof(struct task_struct, thread.mte_ctrl));
+#endif
+ BLANK();
+ DEFINE(S_X0, offsetof(struct pt_regs, regs[0]));
+ DEFINE(S_X2, offsetof(struct pt_regs, regs[2]));
+ DEFINE(S_X4, offsetof(struct pt_regs, regs[4]));
+ DEFINE(S_X6, offsetof(struct pt_regs, regs[6]));
+ DEFINE(S_X8, offsetof(struct pt_regs, regs[8]));
+ DEFINE(S_X10, offsetof(struct pt_regs, regs[10]));
+ DEFINE(S_X12, offsetof(struct pt_regs, regs[12]));
+ DEFINE(S_X14, offsetof(struct pt_regs, regs[14]));
+ DEFINE(S_X16, offsetof(struct pt_regs, regs[16]));
+ DEFINE(S_X18, offsetof(struct pt_regs, regs[18]));
+ DEFINE(S_X20, offsetof(struct pt_regs, regs[20]));
+ DEFINE(S_X22, offsetof(struct pt_regs, regs[22]));
+ DEFINE(S_X24, offsetof(struct pt_regs, regs[24]));
+ DEFINE(S_X26, offsetof(struct pt_regs, regs[26]));
+ DEFINE(S_X28, offsetof(struct pt_regs, regs[28]));
+ DEFINE(S_FP, offsetof(struct pt_regs, regs[29]));
+ DEFINE(S_LR, offsetof(struct pt_regs, regs[30]));
+ DEFINE(S_SP, offsetof(struct pt_regs, sp));
+ DEFINE(S_PSTATE, offsetof(struct pt_regs, pstate));
+ DEFINE(S_PC, offsetof(struct pt_regs, pc));
+ DEFINE(S_SYSCALLNO, offsetof(struct pt_regs, syscallno));
+ DEFINE(S_SDEI_TTBR1, offsetof(struct pt_regs, sdei_ttbr1));
+ DEFINE(S_PMR_SAVE, offsetof(struct pt_regs, pmr_save));
+ DEFINE(S_STACKFRAME, offsetof(struct pt_regs, stackframe));
+ DEFINE(PT_REGS_SIZE, sizeof(struct pt_regs));
+ BLANK();
+#ifdef CONFIG_COMPAT
+ DEFINE(COMPAT_SIGFRAME_REGS_OFFSET, offsetof(struct compat_sigframe, uc.uc_mcontext.arm_r0));
+ DEFINE(COMPAT_RT_SIGFRAME_REGS_OFFSET, offsetof(struct compat_rt_sigframe, sig.uc.uc_mcontext.arm_r0));
+ BLANK();
+#endif
+ DEFINE(MM_CONTEXT_ID, offsetof(struct mm_struct, context.id.counter));
+ BLANK();
+ DEFINE(VMA_VM_MM, offsetof(struct vm_area_struct, vm_mm));
+ DEFINE(VMA_VM_FLAGS, offsetof(struct vm_area_struct, vm_flags));
+ BLANK();
+ DEFINE(VM_EXEC, VM_EXEC);
+ BLANK();
+ DEFINE(PAGE_SZ, PAGE_SIZE);
+ BLANK();
+ DEFINE(DMA_TO_DEVICE, DMA_TO_DEVICE);
+ DEFINE(DMA_FROM_DEVICE, DMA_FROM_DEVICE);
+ BLANK();
+ DEFINE(PREEMPT_DISABLE_OFFSET, PREEMPT_DISABLE_OFFSET);
+ DEFINE(SOFTIRQ_SHIFT, SOFTIRQ_SHIFT);
+ DEFINE(IRQ_CPUSTAT_SOFTIRQ_PENDING, offsetof(irq_cpustat_t, __softirq_pending));
+ BLANK();
+ DEFINE(CPU_BOOT_TASK, offsetof(struct secondary_data, task));
+ BLANK();
+ DEFINE(FTR_OVR_VAL_OFFSET, offsetof(struct arm64_ftr_override, val));
+ DEFINE(FTR_OVR_MASK_OFFSET, offsetof(struct arm64_ftr_override, mask));
+ BLANK();
+#ifdef CONFIG_KVM
+ DEFINE(VCPU_CONTEXT, offsetof(struct kvm_vcpu, arch.ctxt));
+ DEFINE(VCPU_FAULT_DISR, offsetof(struct kvm_vcpu, arch.fault.disr_el1));
+ DEFINE(VCPU_HCR_EL2, offsetof(struct kvm_vcpu, arch.hcr_el2));
+ DEFINE(CPU_USER_PT_REGS, offsetof(struct kvm_cpu_context, regs));
+ DEFINE(CPU_RGSR_EL1, offsetof(struct kvm_cpu_context, sys_regs[RGSR_EL1]));
+ DEFINE(CPU_GCR_EL1, offsetof(struct kvm_cpu_context, sys_regs[GCR_EL1]));
+ DEFINE(CPU_APIAKEYLO_EL1, offsetof(struct kvm_cpu_context, sys_regs[APIAKEYLO_EL1]));
+ DEFINE(CPU_APIBKEYLO_EL1, offsetof(struct kvm_cpu_context, sys_regs[APIBKEYLO_EL1]));
+ DEFINE(CPU_APDAKEYLO_EL1, offsetof(struct kvm_cpu_context, sys_regs[APDAKEYLO_EL1]));
+ DEFINE(CPU_APDBKEYLO_EL1, offsetof(struct kvm_cpu_context, sys_regs[APDBKEYLO_EL1]));
+ DEFINE(CPU_APGAKEYLO_EL1, offsetof(struct kvm_cpu_context, sys_regs[APGAKEYLO_EL1]));
+ DEFINE(HOST_CONTEXT_VCPU, offsetof(struct kvm_cpu_context, __hyp_running_vcpu));
+ DEFINE(HOST_DATA_CONTEXT, offsetof(struct kvm_host_data, host_ctxt));
+ DEFINE(NVHE_INIT_MAIR_EL2, offsetof(struct kvm_nvhe_init_params, mair_el2));
+ DEFINE(NVHE_INIT_TCR_EL2, offsetof(struct kvm_nvhe_init_params, tcr_el2));
+ DEFINE(NVHE_INIT_TPIDR_EL2, offsetof(struct kvm_nvhe_init_params, tpidr_el2));
+ DEFINE(NVHE_INIT_STACK_HYP_VA, offsetof(struct kvm_nvhe_init_params, stack_hyp_va));
+ DEFINE(NVHE_INIT_PGD_PA, offsetof(struct kvm_nvhe_init_params, pgd_pa));
+ DEFINE(NVHE_INIT_HCR_EL2, offsetof(struct kvm_nvhe_init_params, hcr_el2));
+ DEFINE(NVHE_INIT_VTTBR, offsetof(struct kvm_nvhe_init_params, vttbr));
+ DEFINE(NVHE_INIT_VTCR, offsetof(struct kvm_nvhe_init_params, vtcr));
+#endif
+#ifdef CONFIG_CPU_PM
+ DEFINE(CPU_CTX_SP, offsetof(struct cpu_suspend_ctx, sp));
+ DEFINE(MPIDR_HASH_MASK, offsetof(struct mpidr_hash, mask));
+ DEFINE(MPIDR_HASH_SHIFTS, offsetof(struct mpidr_hash, shift_aff));
+ DEFINE(SLEEP_STACK_DATA_SYSTEM_REGS, offsetof(struct sleep_stack_data, system_regs));
+ DEFINE(SLEEP_STACK_DATA_CALLEE_REGS, offsetof(struct sleep_stack_data, callee_saved_regs));
+#endif
+ DEFINE(ARM_SMCCC_RES_X0_OFFS, offsetof(struct arm_smccc_res, a0));
+ DEFINE(ARM_SMCCC_RES_X2_OFFS, offsetof(struct arm_smccc_res, a2));
+ DEFINE(ARM_SMCCC_QUIRK_ID_OFFS, offsetof(struct arm_smccc_quirk, id));
+ DEFINE(ARM_SMCCC_QUIRK_STATE_OFFS, offsetof(struct arm_smccc_quirk, state));
+ DEFINE(ARM_SMCCC_1_2_REGS_X0_OFFS, offsetof(struct arm_smccc_1_2_regs, a0));
+ DEFINE(ARM_SMCCC_1_2_REGS_X2_OFFS, offsetof(struct arm_smccc_1_2_regs, a2));
+ DEFINE(ARM_SMCCC_1_2_REGS_X4_OFFS, offsetof(struct arm_smccc_1_2_regs, a4));
+ DEFINE(ARM_SMCCC_1_2_REGS_X6_OFFS, offsetof(struct arm_smccc_1_2_regs, a6));
+ DEFINE(ARM_SMCCC_1_2_REGS_X8_OFFS, offsetof(struct arm_smccc_1_2_regs, a8));
+ DEFINE(ARM_SMCCC_1_2_REGS_X10_OFFS, offsetof(struct arm_smccc_1_2_regs, a10));
+ DEFINE(ARM_SMCCC_1_2_REGS_X12_OFFS, offsetof(struct arm_smccc_1_2_regs, a12));
+ DEFINE(ARM_SMCCC_1_2_REGS_X14_OFFS, offsetof(struct arm_smccc_1_2_regs, a14));
+ DEFINE(ARM_SMCCC_1_2_REGS_X16_OFFS, offsetof(struct arm_smccc_1_2_regs, a16));
+ BLANK();
+ DEFINE(HIBERN_PBE_ORIG, offsetof(struct pbe, orig_address));
+ DEFINE(HIBERN_PBE_ADDR, offsetof(struct pbe, address));
+ DEFINE(HIBERN_PBE_NEXT, offsetof(struct pbe, next));
+ DEFINE(ARM64_FTR_SYSVAL, offsetof(struct arm64_ftr_reg, sys_val));
+ BLANK();
+#ifdef CONFIG_UNMAP_KERNEL_AT_EL0
+ DEFINE(TRAMP_VALIAS, TRAMP_VALIAS);
+#endif
+#ifdef CONFIG_ARM_SDE_INTERFACE
+ DEFINE(SDEI_EVENT_INTREGS, offsetof(struct sdei_registered_event, interrupted_regs));
+ DEFINE(SDEI_EVENT_PRIORITY, offsetof(struct sdei_registered_event, priority));
+#endif
+#ifdef CONFIG_ARM64_PTR_AUTH
+ DEFINE(PTRAUTH_USER_KEY_APIA, offsetof(struct ptrauth_keys_user, apia));
+#ifdef CONFIG_ARM64_PTR_AUTH_KERNEL
+ DEFINE(PTRAUTH_KERNEL_KEY_APIA, offsetof(struct ptrauth_keys_kernel, apia));
+#endif
+ BLANK();
+#endif
+#ifdef CONFIG_KEXEC_CORE
+ DEFINE(KIMAGE_ARCH_DTB_MEM, offsetof(struct kimage, arch.dtb_mem));
+ DEFINE(KIMAGE_ARCH_EL2_VECTORS, offsetof(struct kimage, arch.el2_vectors));
+ DEFINE(KIMAGE_ARCH_ZERO_PAGE, offsetof(struct kimage, arch.zero_page));
+ DEFINE(KIMAGE_ARCH_PHYS_OFFSET, offsetof(struct kimage, arch.phys_offset));
+ DEFINE(KIMAGE_ARCH_TTBR1, offsetof(struct kimage, arch.ttbr1));
+ DEFINE(KIMAGE_HEAD, offsetof(struct kimage, head));
+ DEFINE(KIMAGE_START, offsetof(struct kimage, start));
+ BLANK();
+#endif
+ return 0;
+}