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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/memory.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 
main(void)37 int 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_TASK,		offsetof(struct thread_info, task));
47   DEFINE(TI_CPU,		offsetof(struct thread_info, cpu));
48   DEFINE(TI_CPU_DOMAIN,		offsetof(struct thread_info, cpu_domain));
49   DEFINE(TI_CPU_SAVE,		offsetof(struct thread_info, cpu_context));
50   DEFINE(TI_ABI_SYSCALL,	offsetof(struct thread_info, abi_syscall));
51   DEFINE(TI_USED_CP,		offsetof(struct thread_info, used_cp));
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 #ifdef CONFIG_ARM_THUMBEE
61   DEFINE(TI_THUMBEE_STATE,	offsetof(struct thread_info, thumbee_state));
62 #endif
63 #ifdef CONFIG_IWMMXT
64   DEFINE(TI_IWMMXT_STATE,	offsetof(struct thread_info, fpstate.iwmmxt));
65 #endif
66 #ifdef CONFIG_STACKPROTECTOR_PER_TASK
67   DEFINE(TI_STACK_CANARY,	offsetof(struct thread_info, stack_canary));
68 #endif
69   DEFINE(THREAD_SZ_ORDER,	THREAD_SIZE_ORDER);
70   BLANK();
71   DEFINE(S_R0,			offsetof(struct pt_regs, ARM_r0));
72   DEFINE(S_R1,			offsetof(struct pt_regs, ARM_r1));
73   DEFINE(S_R2,			offsetof(struct pt_regs, ARM_r2));
74   DEFINE(S_R3,			offsetof(struct pt_regs, ARM_r3));
75   DEFINE(S_R4,			offsetof(struct pt_regs, ARM_r4));
76   DEFINE(S_R5,			offsetof(struct pt_regs, ARM_r5));
77   DEFINE(S_R6,			offsetof(struct pt_regs, ARM_r6));
78   DEFINE(S_R7,			offsetof(struct pt_regs, ARM_r7));
79   DEFINE(S_R8,			offsetof(struct pt_regs, ARM_r8));
80   DEFINE(S_R9,			offsetof(struct pt_regs, ARM_r9));
81   DEFINE(S_R10,			offsetof(struct pt_regs, ARM_r10));
82   DEFINE(S_FP,			offsetof(struct pt_regs, ARM_fp));
83   DEFINE(S_IP,			offsetof(struct pt_regs, ARM_ip));
84   DEFINE(S_SP,			offsetof(struct pt_regs, ARM_sp));
85   DEFINE(S_LR,			offsetof(struct pt_regs, ARM_lr));
86   DEFINE(S_PC,			offsetof(struct pt_regs, ARM_pc));
87   DEFINE(S_PSR,			offsetof(struct pt_regs, ARM_cpsr));
88   DEFINE(S_OLD_R0,		offsetof(struct pt_regs, ARM_ORIG_r0));
89   DEFINE(PT_REGS_SIZE,		sizeof(struct pt_regs));
90   DEFINE(SVC_DACR,		offsetof(struct svc_pt_regs, dacr));
91   DEFINE(SVC_REGS_SIZE,		sizeof(struct svc_pt_regs));
92   BLANK();
93   DEFINE(SIGFRAME_RC3_OFFSET,	offsetof(struct sigframe, retcode[3]));
94   DEFINE(RT_SIGFRAME_RC3_OFFSET, offsetof(struct rt_sigframe, sig.retcode[3]));
95   BLANK();
96 #ifdef CONFIG_CACHE_L2X0
97   DEFINE(L2X0_R_PHY_BASE,	offsetof(struct l2x0_regs, phy_base));
98   DEFINE(L2X0_R_AUX_CTRL,	offsetof(struct l2x0_regs, aux_ctrl));
99   DEFINE(L2X0_R_TAG_LATENCY,	offsetof(struct l2x0_regs, tag_latency));
100   DEFINE(L2X0_R_DATA_LATENCY,	offsetof(struct l2x0_regs, data_latency));
101   DEFINE(L2X0_R_FILTER_START,	offsetof(struct l2x0_regs, filter_start));
102   DEFINE(L2X0_R_FILTER_END,	offsetof(struct l2x0_regs, filter_end));
103   DEFINE(L2X0_R_PREFETCH_CTRL,	offsetof(struct l2x0_regs, prefetch_ctrl));
104   DEFINE(L2X0_R_PWR_CTRL,	offsetof(struct l2x0_regs, pwr_ctrl));
105   BLANK();
106 #endif
107 #ifdef CONFIG_CPU_HAS_ASID
108   DEFINE(MM_CONTEXT_ID,		offsetof(struct mm_struct, context.id.counter));
109   BLANK();
110 #endif
111   DEFINE(VMA_VM_MM,		offsetof(struct vm_area_struct, vm_mm));
112   DEFINE(VMA_VM_FLAGS,		offsetof(struct vm_area_struct, vm_flags));
113   BLANK();
114   DEFINE(VM_EXEC,	       	VM_EXEC);
115   BLANK();
116   DEFINE(PAGE_SZ,	       	PAGE_SIZE);
117   BLANK();
118   DEFINE(SYS_ERROR0,		0x9f0000);
119   BLANK();
120   DEFINE(SIZEOF_MACHINE_DESC,	sizeof(struct machine_desc));
121   DEFINE(MACHINFO_TYPE,		offsetof(struct machine_desc, nr));
122   DEFINE(MACHINFO_NAME,		offsetof(struct machine_desc, name));
123   BLANK();
124   DEFINE(PROC_INFO_SZ,		sizeof(struct proc_info_list));
125   DEFINE(PROCINFO_INITFUNC,	offsetof(struct proc_info_list, __cpu_flush));
126   DEFINE(PROCINFO_MM_MMUFLAGS,	offsetof(struct proc_info_list, __cpu_mm_mmu_flags));
127   DEFINE(PROCINFO_IO_MMUFLAGS,	offsetof(struct proc_info_list, __cpu_io_mmu_flags));
128   BLANK();
129 #ifdef MULTI_DABORT
130   DEFINE(PROCESSOR_DABT_FUNC,	offsetof(struct processor, _data_abort));
131 #endif
132 #ifdef MULTI_PABORT
133   DEFINE(PROCESSOR_PABT_FUNC,	offsetof(struct processor, _prefetch_abort));
134 #endif
135 #ifdef MULTI_CPU
136   DEFINE(CPU_SLEEP_SIZE,	offsetof(struct processor, suspend_size));
137   DEFINE(CPU_DO_SUSPEND,	offsetof(struct processor, do_suspend));
138   DEFINE(CPU_DO_RESUME,		offsetof(struct processor, do_resume));
139 #endif
140 #ifdef MULTI_CACHE
141   DEFINE(CACHE_FLUSH_KERN_ALL,	offsetof(struct cpu_cache_fns, flush_kern_all));
142 #endif
143 #ifdef CONFIG_ARM_CPU_SUSPEND
144   DEFINE(SLEEP_SAVE_SP_SZ,	sizeof(struct sleep_save_sp));
145   DEFINE(SLEEP_SAVE_SP_PHYS,	offsetof(struct sleep_save_sp, save_ptr_stash_phys));
146   DEFINE(SLEEP_SAVE_SP_VIRT,	offsetof(struct sleep_save_sp, save_ptr_stash));
147 #endif
148   DEFINE(ARM_SMCCC_QUIRK_ID_OFFS,	offsetof(struct arm_smccc_quirk, id));
149   DEFINE(ARM_SMCCC_QUIRK_STATE_OFFS,	offsetof(struct arm_smccc_quirk, state));
150   BLANK();
151   DEFINE(DMA_BIDIRECTIONAL,	DMA_BIDIRECTIONAL);
152   DEFINE(DMA_TO_DEVICE,		DMA_TO_DEVICE);
153   DEFINE(DMA_FROM_DEVICE,	DMA_FROM_DEVICE);
154   BLANK();
155   DEFINE(CACHE_WRITEBACK_ORDER, __CACHE_WRITEBACK_ORDER);
156   DEFINE(CACHE_WRITEBACK_GRANULE, __CACHE_WRITEBACK_GRANULE);
157   BLANK();
158 #ifdef CONFIG_VDSO
159   DEFINE(VDSO_DATA_SIZE,	sizeof(union vdso_data_store));
160 #endif
161   BLANK();
162 #ifdef CONFIG_ARM_MPU
163   DEFINE(MPU_RNG_INFO_RNGS,	offsetof(struct mpu_rgn_info, rgns));
164   DEFINE(MPU_RNG_INFO_USED,	offsetof(struct mpu_rgn_info, used));
165 
166   DEFINE(MPU_RNG_SIZE,		sizeof(struct mpu_rgn));
167   DEFINE(MPU_RGN_DRBAR,	offsetof(struct mpu_rgn, drbar));
168   DEFINE(MPU_RGN_DRSR,	offsetof(struct mpu_rgn, drsr));
169   DEFINE(MPU_RGN_DRACR,	offsetof(struct mpu_rgn, dracr));
170   DEFINE(MPU_RGN_PRBAR,	offsetof(struct mpu_rgn, prbar));
171   DEFINE(MPU_RGN_PRLAR,	offsetof(struct mpu_rgn, prlar));
172 #endif
173   DEFINE(KEXEC_START_ADDR,	offsetof(struct kexec_relocate_data, kexec_start_address));
174   DEFINE(KEXEC_INDIR_PAGE,	offsetof(struct kexec_relocate_data, kexec_indirection_page));
175   DEFINE(KEXEC_MACH_TYPE,	offsetof(struct kexec_relocate_data, kexec_mach_type));
176   DEFINE(KEXEC_R2,		offsetof(struct kexec_relocate_data, kexec_r2));
177   return 0;
178 }
179