asm-offsets.c 6.9 KB

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