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/kexec.h>
13 #include <linux/mm.h>
14 #include <linux/dma-mapping.h>
15 #include <linux/kvm_host.h>
16 #include <linux/preempt.h>
17 #include <linux/suspend.h>
18 #include <asm/cpufeature.h>
19 #include <asm/fixmap.h>
20 #include <asm/thread_info.h>
21 #include <asm/memory.h>
22 #include <asm/signal32.h>
23 #include <asm/smp_plat.h>
24 #include <asm/suspend.h>
25 #include <linux/kbuild.h>
26 #include <linux/arm-smccc.h>
27
main(void)28 int main(void)
29 {
30 DEFINE(TSK_ACTIVE_MM, offsetof(struct task_struct, active_mm));
31 BLANK();
32 DEFINE(TSK_TI_CPU, offsetof(struct task_struct, thread_info.cpu));
33 DEFINE(TSK_TI_FLAGS, offsetof(struct task_struct, thread_info.flags));
34 DEFINE(TSK_TI_PREEMPT, offsetof(struct task_struct, thread_info.preempt_count));
35 #ifdef CONFIG_ARM64_SW_TTBR0_PAN
36 DEFINE(TSK_TI_TTBR0, offsetof(struct task_struct, thread_info.ttbr0));
37 #endif
38 #ifdef CONFIG_SHADOW_CALL_STACK
39 DEFINE(TSK_TI_SCS_BASE, offsetof(struct task_struct, thread_info.scs_base));
40 DEFINE(TSK_TI_SCS_SP, offsetof(struct task_struct, thread_info.scs_sp));
41 #endif
42 DEFINE(TSK_STACK, offsetof(struct task_struct, stack));
43 #ifdef CONFIG_STACKPROTECTOR
44 DEFINE(TSK_STACK_CANARY, offsetof(struct task_struct, stack_canary));
45 #endif
46 BLANK();
47 DEFINE(THREAD_CPU_CONTEXT, offsetof(struct task_struct, thread.cpu_context));
48 DEFINE(THREAD_SCTLR_USER, offsetof(struct task_struct, thread.sctlr_user));
49 #ifdef CONFIG_ARM64_PTR_AUTH
50 DEFINE(THREAD_KEYS_USER, offsetof(struct task_struct, thread.keys_user));
51 #endif
52 #ifdef CONFIG_ARM64_PTR_AUTH_KERNEL
53 DEFINE(THREAD_KEYS_KERNEL, offsetof(struct task_struct, thread.keys_kernel));
54 #endif
55 #ifdef CONFIG_ARM64_MTE
56 DEFINE(THREAD_MTE_CTRL, offsetof(struct task_struct, thread.mte_ctrl));
57 #endif
58 BLANK();
59 DEFINE(S_X0, offsetof(struct pt_regs, regs[0]));
60 DEFINE(S_X2, offsetof(struct pt_regs, regs[2]));
61 DEFINE(S_X4, offsetof(struct pt_regs, regs[4]));
62 DEFINE(S_X6, offsetof(struct pt_regs, regs[6]));
63 DEFINE(S_X8, offsetof(struct pt_regs, regs[8]));
64 DEFINE(S_X10, offsetof(struct pt_regs, regs[10]));
65 DEFINE(S_X12, offsetof(struct pt_regs, regs[12]));
66 DEFINE(S_X14, offsetof(struct pt_regs, regs[14]));
67 DEFINE(S_X16, offsetof(struct pt_regs, regs[16]));
68 DEFINE(S_X18, offsetof(struct pt_regs, regs[18]));
69 DEFINE(S_X20, offsetof(struct pt_regs, regs[20]));
70 DEFINE(S_X22, offsetof(struct pt_regs, regs[22]));
71 DEFINE(S_X24, offsetof(struct pt_regs, regs[24]));
72 DEFINE(S_X26, offsetof(struct pt_regs, regs[26]));
73 DEFINE(S_X28, offsetof(struct pt_regs, regs[28]));
74 DEFINE(S_FP, offsetof(struct pt_regs, regs[29]));
75 DEFINE(S_LR, offsetof(struct pt_regs, regs[30]));
76 DEFINE(S_SP, offsetof(struct pt_regs, sp));
77 DEFINE(S_PSTATE, offsetof(struct pt_regs, pstate));
78 DEFINE(S_PC, offsetof(struct pt_regs, pc));
79 DEFINE(S_SYSCALLNO, offsetof(struct pt_regs, syscallno));
80 DEFINE(S_SDEI_TTBR1, offsetof(struct pt_regs, sdei_ttbr1));
81 DEFINE(S_PMR_SAVE, offsetof(struct pt_regs, pmr_save));
82 DEFINE(S_STACKFRAME, offsetof(struct pt_regs, stackframe));
83 DEFINE(PT_REGS_SIZE, sizeof(struct pt_regs));
84 BLANK();
85 #ifdef CONFIG_COMPAT
86 DEFINE(COMPAT_SIGFRAME_REGS_OFFSET, offsetof(struct compat_sigframe, uc.uc_mcontext.arm_r0));
87 DEFINE(COMPAT_RT_SIGFRAME_REGS_OFFSET, offsetof(struct compat_rt_sigframe, sig.uc.uc_mcontext.arm_r0));
88 BLANK();
89 #endif
90 DEFINE(MM_CONTEXT_ID, offsetof(struct mm_struct, context.id.counter));
91 BLANK();
92 DEFINE(VMA_VM_MM, offsetof(struct vm_area_struct, vm_mm));
93 DEFINE(VMA_VM_FLAGS, offsetof(struct vm_area_struct, vm_flags));
94 BLANK();
95 DEFINE(VM_EXEC, VM_EXEC);
96 BLANK();
97 DEFINE(PAGE_SZ, PAGE_SIZE);
98 BLANK();
99 DEFINE(DMA_TO_DEVICE, DMA_TO_DEVICE);
100 DEFINE(DMA_FROM_DEVICE, DMA_FROM_DEVICE);
101 BLANK();
102 DEFINE(PREEMPT_DISABLE_OFFSET, PREEMPT_DISABLE_OFFSET);
103 DEFINE(SOFTIRQ_SHIFT, SOFTIRQ_SHIFT);
104 DEFINE(IRQ_CPUSTAT_SOFTIRQ_PENDING, offsetof(irq_cpustat_t, __softirq_pending));
105 BLANK();
106 DEFINE(CPU_BOOT_TASK, offsetof(struct secondary_data, task));
107 BLANK();
108 DEFINE(FTR_OVR_VAL_OFFSET, offsetof(struct arm64_ftr_override, val));
109 DEFINE(FTR_OVR_MASK_OFFSET, offsetof(struct arm64_ftr_override, mask));
110 BLANK();
111 #ifdef CONFIG_KVM
112 DEFINE(VCPU_CONTEXT, offsetof(struct kvm_vcpu, arch.ctxt));
113 DEFINE(VCPU_FAULT_DISR, offsetof(struct kvm_vcpu, arch.fault.disr_el1));
114 DEFINE(VCPU_WORKAROUND_FLAGS, offsetof(struct kvm_vcpu, arch.workaround_flags));
115 DEFINE(VCPU_HCR_EL2, offsetof(struct kvm_vcpu, arch.hcr_el2));
116 DEFINE(CPU_USER_PT_REGS, offsetof(struct kvm_cpu_context, regs));
117 DEFINE(CPU_RGSR_EL1, offsetof(struct kvm_cpu_context, sys_regs[RGSR_EL1]));
118 DEFINE(CPU_GCR_EL1, offsetof(struct kvm_cpu_context, sys_regs[GCR_EL1]));
119 DEFINE(CPU_APIAKEYLO_EL1, offsetof(struct kvm_cpu_context, sys_regs[APIAKEYLO_EL1]));
120 DEFINE(CPU_APIBKEYLO_EL1, offsetof(struct kvm_cpu_context, sys_regs[APIBKEYLO_EL1]));
121 DEFINE(CPU_APDAKEYLO_EL1, offsetof(struct kvm_cpu_context, sys_regs[APDAKEYLO_EL1]));
122 DEFINE(CPU_APDBKEYLO_EL1, offsetof(struct kvm_cpu_context, sys_regs[APDBKEYLO_EL1]));
123 DEFINE(CPU_APGAKEYLO_EL1, offsetof(struct kvm_cpu_context, sys_regs[APGAKEYLO_EL1]));
124 DEFINE(HOST_CONTEXT_VCPU, offsetof(struct kvm_cpu_context, __hyp_running_vcpu));
125 DEFINE(HOST_DATA_CONTEXT, offsetof(struct kvm_host_data, host_ctxt));
126 DEFINE(NVHE_INIT_MAIR_EL2, offsetof(struct kvm_nvhe_init_params, mair_el2));
127 DEFINE(NVHE_INIT_TCR_EL2, offsetof(struct kvm_nvhe_init_params, tcr_el2));
128 DEFINE(NVHE_INIT_TPIDR_EL2, offsetof(struct kvm_nvhe_init_params, tpidr_el2));
129 DEFINE(NVHE_INIT_STACK_HYP_VA, offsetof(struct kvm_nvhe_init_params, stack_hyp_va));
130 DEFINE(NVHE_INIT_PGD_PA, offsetof(struct kvm_nvhe_init_params, pgd_pa));
131 DEFINE(NVHE_INIT_HCR_EL2, offsetof(struct kvm_nvhe_init_params, hcr_el2));
132 DEFINE(NVHE_INIT_VTTBR, offsetof(struct kvm_nvhe_init_params, vttbr));
133 DEFINE(NVHE_INIT_VTCR, offsetof(struct kvm_nvhe_init_params, vtcr));
134 #endif
135 #ifdef CONFIG_CPU_PM
136 DEFINE(CPU_CTX_SP, offsetof(struct cpu_suspend_ctx, sp));
137 DEFINE(MPIDR_HASH_MASK, offsetof(struct mpidr_hash, mask));
138 DEFINE(MPIDR_HASH_SHIFTS, offsetof(struct mpidr_hash, shift_aff));
139 DEFINE(SLEEP_STACK_DATA_SYSTEM_REGS, offsetof(struct sleep_stack_data, system_regs));
140 DEFINE(SLEEP_STACK_DATA_CALLEE_REGS, offsetof(struct sleep_stack_data, callee_saved_regs));
141 #endif
142 DEFINE(ARM_SMCCC_RES_X0_OFFS, offsetof(struct arm_smccc_res, a0));
143 DEFINE(ARM_SMCCC_RES_X2_OFFS, offsetof(struct arm_smccc_res, a2));
144 DEFINE(ARM_SMCCC_QUIRK_ID_OFFS, offsetof(struct arm_smccc_quirk, id));
145 DEFINE(ARM_SMCCC_QUIRK_STATE_OFFS, offsetof(struct arm_smccc_quirk, state));
146 DEFINE(ARM_SMCCC_1_2_REGS_X0_OFFS, offsetof(struct arm_smccc_1_2_regs, a0));
147 DEFINE(ARM_SMCCC_1_2_REGS_X2_OFFS, offsetof(struct arm_smccc_1_2_regs, a2));
148 DEFINE(ARM_SMCCC_1_2_REGS_X4_OFFS, offsetof(struct arm_smccc_1_2_regs, a4));
149 DEFINE(ARM_SMCCC_1_2_REGS_X6_OFFS, offsetof(struct arm_smccc_1_2_regs, a6));
150 DEFINE(ARM_SMCCC_1_2_REGS_X8_OFFS, offsetof(struct arm_smccc_1_2_regs, a8));
151 DEFINE(ARM_SMCCC_1_2_REGS_X10_OFFS, offsetof(struct arm_smccc_1_2_regs, a10));
152 DEFINE(ARM_SMCCC_1_2_REGS_X12_OFFS, offsetof(struct arm_smccc_1_2_regs, a12));
153 DEFINE(ARM_SMCCC_1_2_REGS_X14_OFFS, offsetof(struct arm_smccc_1_2_regs, a14));
154 DEFINE(ARM_SMCCC_1_2_REGS_X16_OFFS, offsetof(struct arm_smccc_1_2_regs, a16));
155 BLANK();
156 DEFINE(HIBERN_PBE_ORIG, offsetof(struct pbe, orig_address));
157 DEFINE(HIBERN_PBE_ADDR, offsetof(struct pbe, address));
158 DEFINE(HIBERN_PBE_NEXT, offsetof(struct pbe, next));
159 DEFINE(ARM64_FTR_SYSVAL, offsetof(struct arm64_ftr_reg, sys_val));
160 BLANK();
161 #ifdef CONFIG_UNMAP_KERNEL_AT_EL0
162 DEFINE(TRAMP_VALIAS, TRAMP_VALIAS);
163 #endif
164 #ifdef CONFIG_ARM_SDE_INTERFACE
165 DEFINE(SDEI_EVENT_INTREGS, offsetof(struct sdei_registered_event, interrupted_regs));
166 DEFINE(SDEI_EVENT_PRIORITY, offsetof(struct sdei_registered_event, priority));
167 #endif
168 #ifdef CONFIG_ARM64_PTR_AUTH
169 DEFINE(PTRAUTH_USER_KEY_APIA, offsetof(struct ptrauth_keys_user, apia));
170 #ifdef CONFIG_ARM64_PTR_AUTH_KERNEL
171 DEFINE(PTRAUTH_KERNEL_KEY_APIA, offsetof(struct ptrauth_keys_kernel, apia));
172 #endif
173 BLANK();
174 #endif
175 #ifdef CONFIG_KEXEC_CORE
176 DEFINE(KIMAGE_ARCH_DTB_MEM, offsetof(struct kimage, arch.dtb_mem));
177 DEFINE(KIMAGE_ARCH_EL2_VECTORS, offsetof(struct kimage, arch.el2_vectors));
178 DEFINE(KIMAGE_ARCH_ZERO_PAGE, offsetof(struct kimage, arch.zero_page));
179 DEFINE(KIMAGE_ARCH_PHYS_OFFSET, offsetof(struct kimage, arch.phys_offset));
180 DEFINE(KIMAGE_ARCH_TTBR1, offsetof(struct kimage, arch.ttbr1));
181 DEFINE(KIMAGE_HEAD, offsetof(struct kimage, head));
182 DEFINE(KIMAGE_START, offsetof(struct kimage, start));
183 BLANK();
184 #endif
185 return 0;
186 }
187