asm-offsets.c 7.5 KB

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  1. /*
  2. * Copyright (C) 1995-2003 Russell King
  3. * 2001-2002 Keith Owens
  4. *
  5. * Generate definitions needed by assembly language modules.
  6. * This code generates raw asm output which is post-processed to extract
  7. * and format the required data.
  8. *
  9. * This program is free software; you can redistribute it and/or modify
  10. * it under the terms of the GNU General Public License version 2 as
  11. * published by the Free Software Foundation.
  12. */
  13. #include <linux/compiler.h>
  14. #include <linux/sched.h>
  15. #include <linux/mm.h>
  16. #include <linux/dma-mapping.h>
  17. #ifdef CONFIG_KVM_ARM_HOST
  18. #include <linux/kvm_host.h>
  19. #endif
  20. #include <asm/cacheflush.h>
  21. #include <asm/glue-df.h>
  22. #include <asm/glue-pf.h>
  23. #include <asm/mach/arch.h>
  24. #include <asm/thread_info.h>
  25. #include <asm/memory.h>
  26. #include <asm/procinfo.h>
  27. #include <asm/suspend.h>
  28. #include <asm/vdso_datapage.h>
  29. #include <asm/hardware/cache-l2x0.h>
  30. #include <linux/kbuild.h>
  31. #include <linux/platform_data/pm33xx.h>
  32. #include <linux/ti-emif-sram.h>
  33. /*
  34. * Make sure that the compiler and target are compatible.
  35. */
  36. #if defined(__APCS_26__)
  37. #error Sorry, your compiler targets APCS-26 but this kernel requires APCS-32
  38. #endif
  39. /*
  40. * GCC 3.0, 3.1: general bad code generation.
  41. * GCC 3.2.0: incorrect function argument offset calculation.
  42. * GCC 3.2.x: miscompiles NEW_AUX_ENT in fs/binfmt_elf.c
  43. * (http://gcc.gnu.org/PR8896) and incorrect structure
  44. * initialisation in fs/jffs2/erase.c
  45. * GCC 4.8.0-4.8.2: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58854
  46. * miscompiles find_get_entry(), and can result in EXT3 and EXT4
  47. * filesystem corruption (possibly other FS too).
  48. */
  49. #ifdef __GNUC__
  50. #if (__GNUC__ == 3 && __GNUC_MINOR__ < 3)
  51. #error Your compiler is too buggy; it is known to miscompile kernels.
  52. #error Known good compilers: 3.3, 4.x
  53. #endif
  54. #if GCC_VERSION >= 40800 && GCC_VERSION < 40803
  55. #error Your compiler is too buggy; it is known to miscompile kernels
  56. #error and result in filesystem corruption and oopses.
  57. #endif
  58. #endif
  59. int main(void)
  60. {
  61. DEFINE(TSK_ACTIVE_MM, offsetof(struct task_struct, active_mm));
  62. #ifdef CONFIG_CC_STACKPROTECTOR
  63. DEFINE(TSK_STACK_CANARY, offsetof(struct task_struct, stack_canary));
  64. #endif
  65. BLANK();
  66. DEFINE(TI_FLAGS, offsetof(struct thread_info, flags));
  67. DEFINE(TI_PREEMPT, offsetof(struct thread_info, preempt_count));
  68. DEFINE(TI_ADDR_LIMIT, offsetof(struct thread_info, addr_limit));
  69. DEFINE(TI_TASK, offsetof(struct thread_info, task));
  70. DEFINE(TI_CPU, offsetof(struct thread_info, cpu));
  71. DEFINE(TI_CPU_DOMAIN, offsetof(struct thread_info, cpu_domain));
  72. DEFINE(TI_CPU_SAVE, offsetof(struct thread_info, cpu_context));
  73. DEFINE(TI_USED_CP, offsetof(struct thread_info, used_cp));
  74. DEFINE(TI_TP_VALUE, offsetof(struct thread_info, tp_value));
  75. DEFINE(TI_FPSTATE, offsetof(struct thread_info, fpstate));
  76. #ifdef CONFIG_VFP
  77. DEFINE(TI_VFPSTATE, offsetof(struct thread_info, vfpstate));
  78. #ifdef CONFIG_SMP
  79. DEFINE(VFP_CPU, offsetof(union vfp_state, hard.cpu));
  80. #endif
  81. #endif
  82. #ifdef CONFIG_ARM_THUMBEE
  83. DEFINE(TI_THUMBEE_STATE, offsetof(struct thread_info, thumbee_state));
  84. #endif
  85. #ifdef CONFIG_IWMMXT
  86. DEFINE(TI_IWMMXT_STATE, offsetof(struct thread_info, fpstate.iwmmxt));
  87. #endif
  88. #ifdef CONFIG_CRUNCH
  89. DEFINE(TI_CRUNCH_STATE, offsetof(struct thread_info, crunchstate));
  90. #endif
  91. BLANK();
  92. DEFINE(S_R0, offsetof(struct pt_regs, ARM_r0));
  93. DEFINE(S_R1, offsetof(struct pt_regs, ARM_r1));
  94. DEFINE(S_R2, offsetof(struct pt_regs, ARM_r2));
  95. DEFINE(S_R3, offsetof(struct pt_regs, ARM_r3));
  96. DEFINE(S_R4, offsetof(struct pt_regs, ARM_r4));
  97. DEFINE(S_R5, offsetof(struct pt_regs, ARM_r5));
  98. DEFINE(S_R6, offsetof(struct pt_regs, ARM_r6));
  99. DEFINE(S_R7, offsetof(struct pt_regs, ARM_r7));
  100. DEFINE(S_R8, offsetof(struct pt_regs, ARM_r8));
  101. DEFINE(S_R9, offsetof(struct pt_regs, ARM_r9));
  102. DEFINE(S_R10, offsetof(struct pt_regs, ARM_r10));
  103. DEFINE(S_FP, offsetof(struct pt_regs, ARM_fp));
  104. DEFINE(S_IP, offsetof(struct pt_regs, ARM_ip));
  105. DEFINE(S_SP, offsetof(struct pt_regs, ARM_sp));
  106. DEFINE(S_LR, offsetof(struct pt_regs, ARM_lr));
  107. DEFINE(S_PC, offsetof(struct pt_regs, ARM_pc));
  108. DEFINE(S_PSR, offsetof(struct pt_regs, ARM_cpsr));
  109. DEFINE(S_OLD_R0, offsetof(struct pt_regs, ARM_ORIG_r0));
  110. DEFINE(PT_REGS_SIZE, sizeof(struct pt_regs));
  111. DEFINE(SVC_DACR, offsetof(struct svc_pt_regs, dacr));
  112. DEFINE(SVC_ADDR_LIMIT, offsetof(struct svc_pt_regs, addr_limit));
  113. DEFINE(SVC_REGS_SIZE, sizeof(struct svc_pt_regs));
  114. BLANK();
  115. #ifdef CONFIG_CACHE_L2X0
  116. DEFINE(L2X0_R_PHY_BASE, offsetof(struct l2x0_regs, phy_base));
  117. DEFINE(L2X0_R_AUX_CTRL, offsetof(struct l2x0_regs, aux_ctrl));
  118. DEFINE(L2X0_R_TAG_LATENCY, offsetof(struct l2x0_regs, tag_latency));
  119. DEFINE(L2X0_R_DATA_LATENCY, offsetof(struct l2x0_regs, data_latency));
  120. DEFINE(L2X0_R_FILTER_START, offsetof(struct l2x0_regs, filter_start));
  121. DEFINE(L2X0_R_FILTER_END, offsetof(struct l2x0_regs, filter_end));
  122. DEFINE(L2X0_R_PREFETCH_CTRL, offsetof(struct l2x0_regs, prefetch_ctrl));
  123. DEFINE(L2X0_R_PWR_CTRL, offsetof(struct l2x0_regs, pwr_ctrl));
  124. BLANK();
  125. #endif
  126. #ifdef CONFIG_CPU_HAS_ASID
  127. DEFINE(MM_CONTEXT_ID, offsetof(struct mm_struct, context.id.counter));
  128. BLANK();
  129. #endif
  130. DEFINE(VMA_VM_MM, offsetof(struct vm_area_struct, vm_mm));
  131. DEFINE(VMA_VM_FLAGS, offsetof(struct vm_area_struct, vm_flags));
  132. BLANK();
  133. DEFINE(VM_EXEC, VM_EXEC);
  134. BLANK();
  135. DEFINE(PAGE_SZ, PAGE_SIZE);
  136. BLANK();
  137. DEFINE(SYS_ERROR0, 0x9f0000);
  138. BLANK();
  139. DEFINE(SIZEOF_MACHINE_DESC, sizeof(struct machine_desc));
  140. DEFINE(MACHINFO_TYPE, offsetof(struct machine_desc, nr));
  141. DEFINE(MACHINFO_NAME, offsetof(struct machine_desc, name));
  142. BLANK();
  143. DEFINE(PROC_INFO_SZ, sizeof(struct proc_info_list));
  144. DEFINE(PROCINFO_INITFUNC, offsetof(struct proc_info_list, __cpu_flush));
  145. DEFINE(PROCINFO_MM_MMUFLAGS, offsetof(struct proc_info_list, __cpu_mm_mmu_flags));
  146. DEFINE(PROCINFO_IO_MMUFLAGS, offsetof(struct proc_info_list, __cpu_io_mmu_flags));
  147. BLANK();
  148. #ifdef MULTI_DABORT
  149. DEFINE(PROCESSOR_DABT_FUNC, offsetof(struct processor, _data_abort));
  150. #endif
  151. #ifdef MULTI_PABORT
  152. DEFINE(PROCESSOR_PABT_FUNC, offsetof(struct processor, _prefetch_abort));
  153. #endif
  154. #ifdef MULTI_CPU
  155. DEFINE(CPU_SLEEP_SIZE, offsetof(struct processor, suspend_size));
  156. DEFINE(CPU_DO_SUSPEND, offsetof(struct processor, do_suspend));
  157. DEFINE(CPU_DO_RESUME, offsetof(struct processor, do_resume));
  158. #endif
  159. #ifdef MULTI_CACHE
  160. DEFINE(CACHE_FLUSH_KERN_ALL, offsetof(struct cpu_cache_fns, flush_kern_all));
  161. #endif
  162. #ifdef CONFIG_ARM_CPU_SUSPEND
  163. DEFINE(SLEEP_SAVE_SP_SZ, sizeof(struct sleep_save_sp));
  164. DEFINE(SLEEP_SAVE_SP_PHYS, offsetof(struct sleep_save_sp, save_ptr_stash_phys));
  165. DEFINE(SLEEP_SAVE_SP_VIRT, offsetof(struct sleep_save_sp, save_ptr_stash));
  166. #endif
  167. BLANK();
  168. DEFINE(DMA_BIDIRECTIONAL, DMA_BIDIRECTIONAL);
  169. DEFINE(DMA_TO_DEVICE, DMA_TO_DEVICE);
  170. DEFINE(DMA_FROM_DEVICE, DMA_FROM_DEVICE);
  171. BLANK();
  172. DEFINE(CACHE_WRITEBACK_ORDER, __CACHE_WRITEBACK_ORDER);
  173. DEFINE(CACHE_WRITEBACK_GRANULE, __CACHE_WRITEBACK_GRANULE);
  174. BLANK();
  175. #ifdef CONFIG_KVM_ARM_HOST
  176. DEFINE(VCPU_GUEST_CTXT, offsetof(struct kvm_vcpu, arch.ctxt));
  177. DEFINE(VCPU_HOST_CTXT, offsetof(struct kvm_vcpu, arch.host_cpu_context));
  178. DEFINE(CPU_CTXT_VFP, offsetof(struct kvm_cpu_context, vfp));
  179. DEFINE(CPU_CTXT_GP_REGS, offsetof(struct kvm_cpu_context, gp_regs));
  180. DEFINE(GP_REGS_USR, offsetof(struct kvm_regs, usr_regs));
  181. #endif
  182. BLANK();
  183. #ifdef CONFIG_VDSO
  184. DEFINE(VDSO_DATA_SIZE, sizeof(union vdso_data_store));
  185. #endif
  186. #if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX)
  187. BLANK();
  188. ti_emif_offsets();
  189. amx3_pm_asm_offsets();
  190. #endif
  191. return 0;
  192. }