1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Copyright (C) 1995-2003 Russell King
4 * 2001-2002 Keith Owens
5 *
6 * Generate definitions needed by assembly language modules.
7 * This code generates raw asm output which is post-processed to extract
8 * and format the required data.
9 */
10#include <linux/compiler.h>
11#include <linux/sched.h>
12#include <linux/mm.h>
13#include <linux/dma-mapping.h>
14#include <asm/cacheflush.h>
15#include <asm/kexec-internal.h>
16#include <asm/glue-df.h>
17#include <asm/glue-pf.h>
18#include <asm/mach/arch.h>
19#include <asm/thread_info.h>
20#include <asm/page.h>
21#include <asm/mpu.h>
22#include <asm/procinfo.h>
23#include <asm/suspend.h>
24#include <asm/vdso_datapage.h>
25#include <asm/hardware/cache-l2x0.h>
26#include <linux/kbuild.h>
27#include <linux/arm-smccc.h>
28#include "signal.h"
29
30/*
31 * Make sure that the compiler and target are compatible.
32 */
33#if defined(__APCS_26__)
34#error Sorry, your compiler targets APCS-26 but this kernel requires APCS-32
35#endif
36
37int main(void)
38{
39 DEFINE(TSK_ACTIVE_MM, offsetof(struct task_struct, active_mm));
40#ifdef CONFIG_STACKPROTECTOR
41 DEFINE(TSK_STACK_CANARY, offsetof(struct task_struct, stack_canary));
42#endif
43 BLANK();
44 DEFINE(TI_FLAGS, offsetof(struct thread_info, flags));
45 DEFINE(TI_PREEMPT, offsetof(struct thread_info, preempt_count));
46 DEFINE(TI_CPU, offsetof(struct thread_info, cpu));
47 DEFINE(TI_CPU_DOMAIN, offsetof(struct thread_info, cpu_domain));
48 DEFINE(TI_CPU_SAVE, offsetof(struct thread_info, cpu_context));
49 DEFINE(TI_ABI_SYSCALL, offsetof(struct thread_info, abi_syscall));
50 DEFINE(TI_TP_VALUE, offsetof(struct thread_info, tp_value));
51 DEFINE(TI_FPSTATE, offsetof(struct thread_info, fpstate));
52#ifdef CONFIG_VFP
53 DEFINE(TI_VFPSTATE, offsetof(struct thread_info, vfpstate));
54#ifdef CONFIG_SMP
55 DEFINE(VFP_CPU, offsetof(union vfp_state, hard.cpu));
56#endif
57#endif
58 DEFINE(SOFTIRQ_DISABLE_OFFSET,SOFTIRQ_DISABLE_OFFSET);
59#ifdef CONFIG_ARM_THUMBEE
60 DEFINE(TI_THUMBEE_STATE, offsetof(struct thread_info, thumbee_state));
61#endif
62#ifdef CONFIG_IWMMXT
63 DEFINE(TI_IWMMXT_STATE, offsetof(struct thread_info, fpstate.iwmmxt));
64#endif
65 BLANK();
66 DEFINE(S_R0, offsetof(struct pt_regs, ARM_r0));
67 DEFINE(S_R1, offsetof(struct pt_regs, ARM_r1));
68 DEFINE(S_R2, offsetof(struct pt_regs, ARM_r2));
69 DEFINE(S_R3, offsetof(struct pt_regs, ARM_r3));
70 DEFINE(S_R4, offsetof(struct pt_regs, ARM_r4));
71 DEFINE(S_R5, offsetof(struct pt_regs, ARM_r5));
72 DEFINE(S_R6, offsetof(struct pt_regs, ARM_r6));
73 DEFINE(S_R7, offsetof(struct pt_regs, ARM_r7));
74 DEFINE(S_R8, offsetof(struct pt_regs, ARM_r8));
75 DEFINE(S_R9, offsetof(struct pt_regs, ARM_r9));
76 DEFINE(S_R10, offsetof(struct pt_regs, ARM_r10));
77 DEFINE(S_FP, offsetof(struct pt_regs, ARM_fp));
78 DEFINE(S_IP, offsetof(struct pt_regs, ARM_ip));
79 DEFINE(S_SP, offsetof(struct pt_regs, ARM_sp));
80 DEFINE(S_LR, offsetof(struct pt_regs, ARM_lr));
81 DEFINE(S_PC, offsetof(struct pt_regs, ARM_pc));
82 DEFINE(S_PSR, offsetof(struct pt_regs, ARM_cpsr));
83 DEFINE(S_OLD_R0, offsetof(struct pt_regs, ARM_ORIG_r0));
84 DEFINE(PT_REGS_SIZE, sizeof(struct pt_regs));
85 DEFINE(SVC_DACR, offsetof(struct svc_pt_regs, dacr));
86 DEFINE(SVC_REGS_SIZE, sizeof(struct svc_pt_regs));
87 BLANK();
88 DEFINE(SIGFRAME_RC3_OFFSET, offsetof(struct sigframe, retcode[3]));
89 DEFINE(RT_SIGFRAME_RC3_OFFSET, offsetof(struct rt_sigframe, sig.retcode[3]));
90 BLANK();
91#ifdef CONFIG_CACHE_L2X0
92 DEFINE(L2X0_R_PHY_BASE, offsetof(struct l2x0_regs, phy_base));
93 DEFINE(L2X0_R_AUX_CTRL, offsetof(struct l2x0_regs, aux_ctrl));
94 DEFINE(L2X0_R_TAG_LATENCY, offsetof(struct l2x0_regs, tag_latency));
95 DEFINE(L2X0_R_DATA_LATENCY, offsetof(struct l2x0_regs, data_latency));
96 DEFINE(L2X0_R_FILTER_START, offsetof(struct l2x0_regs, filter_start));
97 DEFINE(L2X0_R_FILTER_END, offsetof(struct l2x0_regs, filter_end));
98 DEFINE(L2X0_R_PREFETCH_CTRL, offsetof(struct l2x0_regs, prefetch_ctrl));
99 DEFINE(L2X0_R_PWR_CTRL, offsetof(struct l2x0_regs, pwr_ctrl));
100 BLANK();
101#endif
102#ifdef CONFIG_CPU_HAS_ASID
103 DEFINE(MM_CONTEXT_ID, offsetof(struct mm_struct, context.id.counter));
104 BLANK();
105#endif
106 DEFINE(VMA_VM_MM, offsetof(struct vm_area_struct, vm_mm));
107 DEFINE(VMA_VM_FLAGS, offsetof(struct vm_area_struct, vm_flags));
108 BLANK();
109 DEFINE(VM_EXEC, VM_EXEC);
110 BLANK();
111 DEFINE(PAGE_SZ, PAGE_SIZE);
112 BLANK();
113 DEFINE(SYS_ERROR0, 0x9f0000);
114 BLANK();
115 DEFINE(SIZEOF_MACHINE_DESC, sizeof(struct machine_desc));
116 DEFINE(MACHINFO_TYPE, offsetof(struct machine_desc, nr));
117 DEFINE(MACHINFO_NAME, offsetof(struct machine_desc, name));
118 BLANK();
119 DEFINE(PROC_INFO_SZ, sizeof(struct proc_info_list));
120 DEFINE(PROCINFO_INITFUNC, offsetof(struct proc_info_list, __cpu_flush));
121 DEFINE(PROCINFO_MM_MMUFLAGS, offsetof(struct proc_info_list, __cpu_mm_mmu_flags));
122 DEFINE(PROCINFO_IO_MMUFLAGS, offsetof(struct proc_info_list, __cpu_io_mmu_flags));
123 BLANK();
124#ifdef MULTI_DABORT
125 DEFINE(PROCESSOR_DABT_FUNC, offsetof(struct processor, _data_abort));
126#endif
127#ifdef MULTI_PABORT
128 DEFINE(PROCESSOR_PABT_FUNC, offsetof(struct processor, _prefetch_abort));
129#endif
130#ifdef MULTI_CPU
131 DEFINE(CPU_SLEEP_SIZE, offsetof(struct processor, suspend_size));
132 DEFINE(CPU_DO_SUSPEND, offsetof(struct processor, do_suspend));
133 DEFINE(CPU_DO_RESUME, offsetof(struct processor, do_resume));
134#endif
135#ifdef MULTI_CACHE
136 DEFINE(CACHE_FLUSH_KERN_ALL, offsetof(struct cpu_cache_fns, flush_kern_all));
137#endif
138#ifdef CONFIG_ARM_CPU_SUSPEND
139 DEFINE(SLEEP_SAVE_SP_SZ, sizeof(struct sleep_save_sp));
140 DEFINE(SLEEP_SAVE_SP_PHYS, offsetof(struct sleep_save_sp, save_ptr_stash_phys));
141 DEFINE(SLEEP_SAVE_SP_VIRT, offsetof(struct sleep_save_sp, save_ptr_stash));
142#endif
143 DEFINE(ARM_SMCCC_QUIRK_ID_OFFS, offsetof(struct arm_smccc_quirk, id));
144 DEFINE(ARM_SMCCC_QUIRK_STATE_OFFS, offsetof(struct arm_smccc_quirk, state));
145 BLANK();
146 DEFINE(DMA_BIDIRECTIONAL, DMA_BIDIRECTIONAL);
147 DEFINE(DMA_TO_DEVICE, DMA_TO_DEVICE);
148 DEFINE(DMA_FROM_DEVICE, DMA_FROM_DEVICE);
149 BLANK();
150 DEFINE(CACHE_WRITEBACK_ORDER, __CACHE_WRITEBACK_ORDER);
151 DEFINE(CACHE_WRITEBACK_GRANULE, __CACHE_WRITEBACK_GRANULE);
152 BLANK();
153#ifdef CONFIG_VDSO
154 DEFINE(VDSO_DATA_SIZE, sizeof(union vdso_data_store));
155#endif
156 BLANK();
157#ifdef CONFIG_ARM_MPU
158 DEFINE(MPU_RNG_INFO_RNGS, offsetof(struct mpu_rgn_info, rgns));
159 DEFINE(MPU_RNG_INFO_USED, offsetof(struct mpu_rgn_info, used));
160
161 DEFINE(MPU_RNG_SIZE, sizeof(struct mpu_rgn));
162 DEFINE(MPU_RGN_DRBAR, offsetof(struct mpu_rgn, drbar));
163 DEFINE(MPU_RGN_DRSR, offsetof(struct mpu_rgn, drsr));
164 DEFINE(MPU_RGN_DRACR, offsetof(struct mpu_rgn, dracr));
165 DEFINE(MPU_RGN_PRBAR, offsetof(struct mpu_rgn, prbar));
166 DEFINE(MPU_RGN_PRLAR, offsetof(struct mpu_rgn, prlar));
167#endif
168 DEFINE(KEXEC_START_ADDR, offsetof(struct kexec_relocate_data, kexec_start_address));
169 DEFINE(KEXEC_INDIR_PAGE, offsetof(struct kexec_relocate_data, kexec_indirection_page));
170 DEFINE(KEXEC_MACH_TYPE, offsetof(struct kexec_relocate_data, kexec_mach_type));
171 DEFINE(KEXEC_R2, offsetof(struct kexec_relocate_data, kexec_r2));
172 return 0;
173}
174

source code of linux/arch/arm/kernel/asm-offsets.c