1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * Based on arch/arm/kernel/asm-offsets.c 4 * 5 * Copyright (C) 1995-2003 Russell King 6 * 2001-2002 Keith Owens 7 * Copyright (C) 2012 ARM Ltd. 8 */ 9 10 #include <linux/arm_sdei.h> 11 #include <linux/sched.h> 12 #include <linux/mm.h> 13 #include <linux/dma-mapping.h> 14 #include <linux/kvm_host.h> 15 #include <linux/preempt.h> 16 #include <linux/suspend.h> 17 #include <asm/cpufeature.h> 18 #include <asm/fixmap.h> 19 #include <asm/thread_info.h> 20 #include <asm/memory.h> 21 #include <asm/signal32.h> 22 #include <asm/smp_plat.h> 23 #include <asm/suspend.h> 24 #include <linux/kbuild.h> 25 #include <linux/arm-smccc.h> 26 27 int main(void) 28 { 29 DEFINE(TSK_ACTIVE_MM, offsetof(struct task_struct, active_mm)); 30 BLANK(); 31 DEFINE(TSK_TI_FLAGS, offsetof(struct task_struct, thread_info.flags)); 32 DEFINE(TSK_TI_PREEMPT, offsetof(struct task_struct, thread_info.preempt_count)); 33 DEFINE(TSK_TI_ADDR_LIMIT, offsetof(struct task_struct, thread_info.addr_limit)); 34 #ifdef CONFIG_ARM64_SW_TTBR0_PAN 35 DEFINE(TSK_TI_TTBR0, offsetof(struct task_struct, thread_info.ttbr0)); 36 #endif 37 DEFINE(TSK_STACK, offsetof(struct task_struct, stack)); 38 #ifdef CONFIG_STACKPROTECTOR 39 DEFINE(TSK_STACK_CANARY, offsetof(struct task_struct, stack_canary)); 40 #endif 41 BLANK(); 42 DEFINE(THREAD_CPU_CONTEXT, offsetof(struct task_struct, thread.cpu_context)); 43 BLANK(); 44 DEFINE(S_X0, offsetof(struct pt_regs, regs[0])); 45 DEFINE(S_X2, offsetof(struct pt_regs, regs[2])); 46 DEFINE(S_X4, offsetof(struct pt_regs, regs[4])); 47 DEFINE(S_X6, offsetof(struct pt_regs, regs[6])); 48 DEFINE(S_X8, offsetof(struct pt_regs, regs[8])); 49 DEFINE(S_X10, offsetof(struct pt_regs, regs[10])); 50 DEFINE(S_X12, offsetof(struct pt_regs, regs[12])); 51 DEFINE(S_X14, offsetof(struct pt_regs, regs[14])); 52 DEFINE(S_X16, offsetof(struct pt_regs, regs[16])); 53 DEFINE(S_X18, offsetof(struct pt_regs, regs[18])); 54 DEFINE(S_X20, offsetof(struct pt_regs, regs[20])); 55 DEFINE(S_X22, offsetof(struct pt_regs, regs[22])); 56 DEFINE(S_X24, offsetof(struct pt_regs, regs[24])); 57 DEFINE(S_X26, offsetof(struct pt_regs, regs[26])); 58 DEFINE(S_X28, offsetof(struct pt_regs, regs[28])); 59 DEFINE(S_FP, offsetof(struct pt_regs, regs[29])); 60 DEFINE(S_LR, offsetof(struct pt_regs, regs[30])); 61 DEFINE(S_SP, offsetof(struct pt_regs, sp)); 62 DEFINE(S_PSTATE, offsetof(struct pt_regs, pstate)); 63 DEFINE(S_PC, offsetof(struct pt_regs, pc)); 64 DEFINE(S_SYSCALLNO, offsetof(struct pt_regs, syscallno)); 65 DEFINE(S_ORIG_ADDR_LIMIT, offsetof(struct pt_regs, orig_addr_limit)); 66 DEFINE(S_PMR_SAVE, offsetof(struct pt_regs, pmr_save)); 67 DEFINE(S_STACKFRAME, offsetof(struct pt_regs, stackframe)); 68 DEFINE(S_FRAME_SIZE, sizeof(struct pt_regs)); 69 BLANK(); 70 #ifdef CONFIG_COMPAT 71 DEFINE(COMPAT_SIGFRAME_REGS_OFFSET, offsetof(struct compat_sigframe, uc.uc_mcontext.arm_r0)); 72 DEFINE(COMPAT_RT_SIGFRAME_REGS_OFFSET, offsetof(struct compat_rt_sigframe, sig.uc.uc_mcontext.arm_r0)); 73 BLANK(); 74 #endif 75 DEFINE(MM_CONTEXT_ID, offsetof(struct mm_struct, context.id.counter)); 76 BLANK(); 77 DEFINE(VMA_VM_MM, offsetof(struct vm_area_struct, vm_mm)); 78 DEFINE(VMA_VM_FLAGS, offsetof(struct vm_area_struct, vm_flags)); 79 BLANK(); 80 DEFINE(VM_EXEC, VM_EXEC); 81 BLANK(); 82 DEFINE(PAGE_SZ, PAGE_SIZE); 83 BLANK(); 84 DEFINE(DMA_TO_DEVICE, DMA_TO_DEVICE); 85 DEFINE(DMA_FROM_DEVICE, DMA_FROM_DEVICE); 86 BLANK(); 87 DEFINE(PREEMPT_DISABLE_OFFSET, PREEMPT_DISABLE_OFFSET); 88 BLANK(); 89 DEFINE(CPU_BOOT_STACK, offsetof(struct secondary_data, stack)); 90 DEFINE(CPU_BOOT_TASK, offsetof(struct secondary_data, task)); 91 BLANK(); 92 #ifdef CONFIG_KVM_ARM_HOST 93 DEFINE(VCPU_CONTEXT, offsetof(struct kvm_vcpu, arch.ctxt)); 94 DEFINE(VCPU_FAULT_DISR, offsetof(struct kvm_vcpu, arch.fault.disr_el1)); 95 DEFINE(VCPU_WORKAROUND_FLAGS, offsetof(struct kvm_vcpu, arch.workaround_flags)); 96 DEFINE(VCPU_HCR_EL2, offsetof(struct kvm_vcpu, arch.hcr_el2)); 97 DEFINE(CPU_GP_REGS, offsetof(struct kvm_cpu_context, gp_regs)); 98 DEFINE(CPU_APIAKEYLO_EL1, offsetof(struct kvm_cpu_context, sys_regs[APIAKEYLO_EL1])); 99 DEFINE(CPU_APIBKEYLO_EL1, offsetof(struct kvm_cpu_context, sys_regs[APIBKEYLO_EL1])); 100 DEFINE(CPU_APDAKEYLO_EL1, offsetof(struct kvm_cpu_context, sys_regs[APDAKEYLO_EL1])); 101 DEFINE(CPU_APDBKEYLO_EL1, offsetof(struct kvm_cpu_context, sys_regs[APDBKEYLO_EL1])); 102 DEFINE(CPU_APGAKEYLO_EL1, offsetof(struct kvm_cpu_context, sys_regs[APGAKEYLO_EL1])); 103 DEFINE(CPU_USER_PT_REGS, offsetof(struct kvm_regs, regs)); 104 DEFINE(HOST_CONTEXT_VCPU, offsetof(struct kvm_cpu_context, __hyp_running_vcpu)); 105 DEFINE(HOST_DATA_CONTEXT, offsetof(struct kvm_host_data, host_ctxt)); 106 #endif 107 #ifdef CONFIG_CPU_PM 108 DEFINE(CPU_CTX_SP, offsetof(struct cpu_suspend_ctx, sp)); 109 DEFINE(MPIDR_HASH_MASK, offsetof(struct mpidr_hash, mask)); 110 DEFINE(MPIDR_HASH_SHIFTS, offsetof(struct mpidr_hash, shift_aff)); 111 DEFINE(SLEEP_STACK_DATA_SYSTEM_REGS, offsetof(struct sleep_stack_data, system_regs)); 112 DEFINE(SLEEP_STACK_DATA_CALLEE_REGS, offsetof(struct sleep_stack_data, callee_saved_regs)); 113 #endif 114 DEFINE(ARM_SMCCC_RES_X0_OFFS, offsetof(struct arm_smccc_res, a0)); 115 DEFINE(ARM_SMCCC_RES_X2_OFFS, offsetof(struct arm_smccc_res, a2)); 116 DEFINE(ARM_SMCCC_QUIRK_ID_OFFS, offsetof(struct arm_smccc_quirk, id)); 117 DEFINE(ARM_SMCCC_QUIRK_STATE_OFFS, offsetof(struct arm_smccc_quirk, state)); 118 BLANK(); 119 DEFINE(HIBERN_PBE_ORIG, offsetof(struct pbe, orig_address)); 120 DEFINE(HIBERN_PBE_ADDR, offsetof(struct pbe, address)); 121 DEFINE(HIBERN_PBE_NEXT, offsetof(struct pbe, next)); 122 DEFINE(ARM64_FTR_SYSVAL, offsetof(struct arm64_ftr_reg, sys_val)); 123 BLANK(); 124 #ifdef CONFIG_UNMAP_KERNEL_AT_EL0 125 DEFINE(TRAMP_VALIAS, TRAMP_VALIAS); 126 #endif 127 #ifdef CONFIG_ARM_SDE_INTERFACE 128 DEFINE(SDEI_EVENT_INTREGS, offsetof(struct sdei_registered_event, interrupted_regs)); 129 DEFINE(SDEI_EVENT_PRIORITY, offsetof(struct sdei_registered_event, priority)); 130 #endif 131 return 0; 132 } 133