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