Book a Demo!
CoCalc Logo Icon
StoreFeaturesDocsShareSupportNewsAboutPoliciesSign UpSign In
torvalds
GitHub Repository: torvalds/linux
Path: blob/master/arch/arm/kernel/asm-offsets.c
26292 views
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/hardware/cache-l2x0.h>
25
#include <linux/kbuild.h>
26
#include <linux/arm-smccc.h>
27
28
#include <vdso/datapage.h>
29
30
#include "signal.h"
31
32
/*
33
* Make sure that the compiler and target are compatible.
34
*/
35
#if defined(__APCS_26__)
36
#error Sorry, your compiler targets APCS-26 but this kernel requires APCS-32
37
#endif
38
39
int main(void)
40
{
41
DEFINE(TSK_ACTIVE_MM, offsetof(struct task_struct, active_mm));
42
#ifdef CONFIG_STACKPROTECTOR
43
DEFINE(TSK_STACK_CANARY, offsetof(struct task_struct, stack_canary));
44
#endif
45
BLANK();
46
DEFINE(TI_FLAGS, offsetof(struct thread_info, flags));
47
DEFINE(TI_PREEMPT, offsetof(struct thread_info, preempt_count));
48
DEFINE(TI_CPU, offsetof(struct thread_info, cpu));
49
DEFINE(TI_CPU_DOMAIN, offsetof(struct thread_info, cpu_domain));
50
DEFINE(TI_CPU_SAVE, offsetof(struct thread_info, cpu_context));
51
DEFINE(TI_ABI_SYSCALL, offsetof(struct thread_info, abi_syscall));
52
DEFINE(TI_TP_VALUE, offsetof(struct thread_info, tp_value));
53
DEFINE(TI_FPSTATE, offsetof(struct thread_info, fpstate));
54
#ifdef CONFIG_VFP
55
DEFINE(TI_VFPSTATE, offsetof(struct thread_info, vfpstate));
56
#ifdef CONFIG_SMP
57
DEFINE(VFP_CPU, offsetof(union vfp_state, hard.cpu));
58
#endif
59
#endif
60
DEFINE(SOFTIRQ_DISABLE_OFFSET,SOFTIRQ_DISABLE_OFFSET);
61
#ifdef CONFIG_ARM_THUMBEE
62
DEFINE(TI_THUMBEE_STATE, offsetof(struct thread_info, thumbee_state));
63
#endif
64
#ifdef CONFIG_IWMMXT
65
DEFINE(TI_IWMMXT_STATE, offsetof(struct thread_info, fpstate.iwmmxt));
66
#endif
67
BLANK();
68
DEFINE(S_R0, offsetof(struct pt_regs, ARM_r0));
69
DEFINE(S_R1, offsetof(struct pt_regs, ARM_r1));
70
DEFINE(S_R2, offsetof(struct pt_regs, ARM_r2));
71
DEFINE(S_R3, offsetof(struct pt_regs, ARM_r3));
72
DEFINE(S_R4, offsetof(struct pt_regs, ARM_r4));
73
DEFINE(S_R5, offsetof(struct pt_regs, ARM_r5));
74
DEFINE(S_R6, offsetof(struct pt_regs, ARM_r6));
75
DEFINE(S_R7, offsetof(struct pt_regs, ARM_r7));
76
DEFINE(S_R8, offsetof(struct pt_regs, ARM_r8));
77
DEFINE(S_R9, offsetof(struct pt_regs, ARM_r9));
78
DEFINE(S_R10, offsetof(struct pt_regs, ARM_r10));
79
DEFINE(S_FP, offsetof(struct pt_regs, ARM_fp));
80
DEFINE(S_IP, offsetof(struct pt_regs, ARM_ip));
81
DEFINE(S_SP, offsetof(struct pt_regs, ARM_sp));
82
DEFINE(S_LR, offsetof(struct pt_regs, ARM_lr));
83
DEFINE(S_PC, offsetof(struct pt_regs, ARM_pc));
84
DEFINE(S_PSR, offsetof(struct pt_regs, ARM_cpsr));
85
DEFINE(S_OLD_R0, offsetof(struct pt_regs, ARM_ORIG_r0));
86
DEFINE(PT_REGS_SIZE, sizeof(struct pt_regs));
87
DEFINE(SVC_DACR, offsetof(struct svc_pt_regs, dacr));
88
DEFINE(SVC_TTBCR, offsetof(struct svc_pt_regs, ttbcr));
89
DEFINE(SVC_REGS_SIZE, sizeof(struct svc_pt_regs));
90
BLANK();
91
DEFINE(SIGFRAME_RC3_OFFSET, offsetof(struct sigframe, retcode[3]));
92
DEFINE(RT_SIGFRAME_RC3_OFFSET, offsetof(struct rt_sigframe, sig.retcode[3]));
93
BLANK();
94
#ifdef CONFIG_CACHE_L2X0
95
DEFINE(L2X0_R_PHY_BASE, offsetof(struct l2x0_regs, phy_base));
96
DEFINE(L2X0_R_AUX_CTRL, offsetof(struct l2x0_regs, aux_ctrl));
97
DEFINE(L2X0_R_TAG_LATENCY, offsetof(struct l2x0_regs, tag_latency));
98
DEFINE(L2X0_R_DATA_LATENCY, offsetof(struct l2x0_regs, data_latency));
99
DEFINE(L2X0_R_FILTER_START, offsetof(struct l2x0_regs, filter_start));
100
DEFINE(L2X0_R_FILTER_END, offsetof(struct l2x0_regs, filter_end));
101
DEFINE(L2X0_R_PREFETCH_CTRL, offsetof(struct l2x0_regs, prefetch_ctrl));
102
DEFINE(L2X0_R_PWR_CTRL, offsetof(struct l2x0_regs, pwr_ctrl));
103
BLANK();
104
#endif
105
#ifdef CONFIG_CPU_HAS_ASID
106
DEFINE(MM_CONTEXT_ID, offsetof(struct mm_struct, context.id.counter));
107
BLANK();
108
#endif
109
DEFINE(VMA_VM_MM, offsetof(struct vm_area_struct, vm_mm));
110
DEFINE(VMA_VM_FLAGS, offsetof(struct vm_area_struct, vm_flags));
111
BLANK();
112
DEFINE(VM_EXEC, VM_EXEC);
113
BLANK();
114
DEFINE(PAGE_SZ, PAGE_SIZE);
115
BLANK();
116
DEFINE(SYS_ERROR0, 0x9f0000);
117
BLANK();
118
DEFINE(SIZEOF_MACHINE_DESC, sizeof(struct machine_desc));
119
DEFINE(MACHINFO_TYPE, offsetof(struct machine_desc, nr));
120
DEFINE(MACHINFO_NAME, offsetof(struct machine_desc, name));
121
BLANK();
122
DEFINE(PROC_INFO_SZ, sizeof(struct proc_info_list));
123
DEFINE(PROCINFO_INITFUNC, offsetof(struct proc_info_list, __cpu_flush));
124
DEFINE(PROCINFO_MM_MMUFLAGS, offsetof(struct proc_info_list, __cpu_mm_mmu_flags));
125
DEFINE(PROCINFO_IO_MMUFLAGS, offsetof(struct proc_info_list, __cpu_io_mmu_flags));
126
BLANK();
127
#ifdef MULTI_DABORT
128
DEFINE(PROCESSOR_DABT_FUNC, offsetof(struct processor, _data_abort));
129
#endif
130
#ifdef MULTI_PABORT
131
DEFINE(PROCESSOR_PABT_FUNC, offsetof(struct processor, _prefetch_abort));
132
#endif
133
#ifdef MULTI_CPU
134
DEFINE(CPU_SLEEP_SIZE, offsetof(struct processor, suspend_size));
135
DEFINE(CPU_DO_SUSPEND, offsetof(struct processor, do_suspend));
136
DEFINE(CPU_DO_RESUME, offsetof(struct processor, do_resume));
137
#endif
138
#ifdef MULTI_CACHE
139
DEFINE(CACHE_FLUSH_KERN_ALL, offsetof(struct cpu_cache_fns, flush_kern_all));
140
#endif
141
#ifdef CONFIG_ARM_CPU_SUSPEND
142
DEFINE(SLEEP_SAVE_SP_SZ, sizeof(struct sleep_save_sp));
143
DEFINE(SLEEP_SAVE_SP_PHYS, offsetof(struct sleep_save_sp, save_ptr_stash_phys));
144
DEFINE(SLEEP_SAVE_SP_VIRT, offsetof(struct sleep_save_sp, save_ptr_stash));
145
#endif
146
DEFINE(ARM_SMCCC_QUIRK_ID_OFFS, offsetof(struct arm_smccc_quirk, id));
147
DEFINE(ARM_SMCCC_QUIRK_STATE_OFFS, offsetof(struct arm_smccc_quirk, state));
148
BLANK();
149
DEFINE(DMA_BIDIRECTIONAL, DMA_BIDIRECTIONAL);
150
DEFINE(DMA_TO_DEVICE, DMA_TO_DEVICE);
151
DEFINE(DMA_FROM_DEVICE, DMA_FROM_DEVICE);
152
BLANK();
153
DEFINE(CACHE_WRITEBACK_ORDER, __CACHE_WRITEBACK_ORDER);
154
DEFINE(CACHE_WRITEBACK_GRANULE, __CACHE_WRITEBACK_GRANULE);
155
BLANK();
156
#ifdef CONFIG_ARM_MPU
157
DEFINE(MPU_RNG_INFO_RNGS, offsetof(struct mpu_rgn_info, rgns));
158
DEFINE(MPU_RNG_INFO_USED, offsetof(struct mpu_rgn_info, used));
159
160
DEFINE(MPU_RNG_SIZE, sizeof(struct mpu_rgn));
161
DEFINE(MPU_RGN_DRBAR, offsetof(struct mpu_rgn, drbar));
162
DEFINE(MPU_RGN_DRSR, offsetof(struct mpu_rgn, drsr));
163
DEFINE(MPU_RGN_DRACR, offsetof(struct mpu_rgn, dracr));
164
DEFINE(MPU_RGN_PRBAR, offsetof(struct mpu_rgn, prbar));
165
DEFINE(MPU_RGN_PRLAR, offsetof(struct mpu_rgn, prlar));
166
#endif
167
DEFINE(KEXEC_START_ADDR, offsetof(struct kexec_relocate_data, kexec_start_address));
168
DEFINE(KEXEC_INDIR_PAGE, offsetof(struct kexec_relocate_data, kexec_indirection_page));
169
DEFINE(KEXEC_MACH_TYPE, offsetof(struct kexec_relocate_data, kexec_mach_type));
170
DEFINE(KEXEC_R2, offsetof(struct kexec_relocate_data, kexec_r2));
171
return 0;
172
}
173
174