asm-offsets.c 8.7 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/sched.h>
  14. #include <linux/mm.h>
  15. #include <linux/dma-mapping.h>
  16. #ifdef CONFIG_KVM_ARM_HOST
  17. #include <linux/kvm_host.h>
  18. #endif
  19. #include <asm/cacheflush.h>
  20. #include <asm/glue-df.h>
  21. #include <asm/glue-pf.h>
  22. #include <asm/mach/arch.h>
  23. #include <asm/thread_info.h>
  24. #include <asm/memory.h>
  25. #include <asm/procinfo.h>
  26. #include <asm/suspend.h>
  27. #include <asm/hardware/cache-l2x0.h>
  28. #include <linux/kbuild.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. /*
  36. * GCC 3.0, 3.1: general bad code generation.
  37. * GCC 3.2.0: incorrect function argument offset calculation.
  38. * GCC 3.2.x: miscompiles NEW_AUX_ENT in fs/binfmt_elf.c
  39. * (http://gcc.gnu.org/PR8896) and incorrect structure
  40. * initialisation in fs/jffs2/erase.c
  41. */
  42. #if (__GNUC__ == 3 && __GNUC_MINOR__ < 3)
  43. #error Your compiler is too buggy; it is known to miscompile kernels.
  44. #error Known good compilers: 3.3
  45. #endif
  46. int main(void)
  47. {
  48. DEFINE(TSK_ACTIVE_MM, offsetof(struct task_struct, active_mm));
  49. #ifdef CONFIG_CC_STACKPROTECTOR
  50. DEFINE(TSK_STACK_CANARY, offsetof(struct task_struct, stack_canary));
  51. #endif
  52. BLANK();
  53. DEFINE(TI_FLAGS, offsetof(struct thread_info, flags));
  54. DEFINE(TI_PREEMPT, offsetof(struct thread_info, preempt_count));
  55. DEFINE(TI_ADDR_LIMIT, offsetof(struct thread_info, addr_limit));
  56. DEFINE(TI_TASK, offsetof(struct thread_info, task));
  57. DEFINE(TI_EXEC_DOMAIN, offsetof(struct thread_info, exec_domain));
  58. DEFINE(TI_CPU, offsetof(struct thread_info, cpu));
  59. DEFINE(TI_CPU_DOMAIN, offsetof(struct thread_info, cpu_domain));
  60. DEFINE(TI_CPU_SAVE, offsetof(struct thread_info, cpu_context));
  61. DEFINE(TI_USED_CP, offsetof(struct thread_info, used_cp));
  62. DEFINE(TI_TP_VALUE, offsetof(struct thread_info, tp_value));
  63. DEFINE(TI_FPSTATE, offsetof(struct thread_info, fpstate));
  64. #ifdef CONFIG_VFP
  65. DEFINE(TI_VFPSTATE, offsetof(struct thread_info, vfpstate));
  66. #ifdef CONFIG_SMP
  67. DEFINE(VFP_CPU, offsetof(union vfp_state, hard.cpu));
  68. #endif
  69. #endif
  70. #ifdef CONFIG_ARM_THUMBEE
  71. DEFINE(TI_THUMBEE_STATE, offsetof(struct thread_info, thumbee_state));
  72. #endif
  73. #ifdef CONFIG_IWMMXT
  74. DEFINE(TI_IWMMXT_STATE, offsetof(struct thread_info, fpstate.iwmmxt));
  75. #endif
  76. #ifdef CONFIG_CRUNCH
  77. DEFINE(TI_CRUNCH_STATE, offsetof(struct thread_info, crunchstate));
  78. #endif
  79. BLANK();
  80. DEFINE(S_R0, offsetof(struct pt_regs, ARM_r0));
  81. DEFINE(S_R1, offsetof(struct pt_regs, ARM_r1));
  82. DEFINE(S_R2, offsetof(struct pt_regs, ARM_r2));
  83. DEFINE(S_R3, offsetof(struct pt_regs, ARM_r3));
  84. DEFINE(S_R4, offsetof(struct pt_regs, ARM_r4));
  85. DEFINE(S_R5, offsetof(struct pt_regs, ARM_r5));
  86. DEFINE(S_R6, offsetof(struct pt_regs, ARM_r6));
  87. DEFINE(S_R7, offsetof(struct pt_regs, ARM_r7));
  88. DEFINE(S_R8, offsetof(struct pt_regs, ARM_r8));
  89. DEFINE(S_R9, offsetof(struct pt_regs, ARM_r9));
  90. DEFINE(S_R10, offsetof(struct pt_regs, ARM_r10));
  91. DEFINE(S_FP, offsetof(struct pt_regs, ARM_fp));
  92. DEFINE(S_IP, offsetof(struct pt_regs, ARM_ip));
  93. DEFINE(S_SP, offsetof(struct pt_regs, ARM_sp));
  94. DEFINE(S_LR, offsetof(struct pt_regs, ARM_lr));
  95. DEFINE(S_PC, offsetof(struct pt_regs, ARM_pc));
  96. DEFINE(S_PSR, offsetof(struct pt_regs, ARM_cpsr));
  97. DEFINE(S_OLD_R0, offsetof(struct pt_regs, ARM_ORIG_r0));
  98. DEFINE(S_FRAME_SIZE, sizeof(struct pt_regs));
  99. BLANK();
  100. #ifdef CONFIG_CACHE_L2X0
  101. DEFINE(L2X0_R_PHY_BASE, offsetof(struct l2x0_regs, phy_base));
  102. DEFINE(L2X0_R_AUX_CTRL, offsetof(struct l2x0_regs, aux_ctrl));
  103. DEFINE(L2X0_R_TAG_LATENCY, offsetof(struct l2x0_regs, tag_latency));
  104. DEFINE(L2X0_R_DATA_LATENCY, offsetof(struct l2x0_regs, data_latency));
  105. DEFINE(L2X0_R_FILTER_START, offsetof(struct l2x0_regs, filter_start));
  106. DEFINE(L2X0_R_FILTER_END, offsetof(struct l2x0_regs, filter_end));
  107. DEFINE(L2X0_R_PREFETCH_CTRL, offsetof(struct l2x0_regs, prefetch_ctrl));
  108. DEFINE(L2X0_R_PWR_CTRL, offsetof(struct l2x0_regs, pwr_ctrl));
  109. BLANK();
  110. #endif
  111. #ifdef CONFIG_CPU_HAS_ASID
  112. DEFINE(MM_CONTEXT_ID, offsetof(struct mm_struct, context.id.counter));
  113. BLANK();
  114. #endif
  115. DEFINE(VMA_VM_MM, offsetof(struct vm_area_struct, vm_mm));
  116. DEFINE(VMA_VM_FLAGS, offsetof(struct vm_area_struct, vm_flags));
  117. BLANK();
  118. DEFINE(VM_EXEC, VM_EXEC);
  119. BLANK();
  120. DEFINE(PAGE_SZ, PAGE_SIZE);
  121. BLANK();
  122. DEFINE(SYS_ERROR0, 0x9f0000);
  123. BLANK();
  124. DEFINE(SIZEOF_MACHINE_DESC, sizeof(struct machine_desc));
  125. DEFINE(MACHINFO_TYPE, offsetof(struct machine_desc, nr));
  126. DEFINE(MACHINFO_NAME, offsetof(struct machine_desc, name));
  127. BLANK();
  128. DEFINE(PROC_INFO_SZ, sizeof(struct proc_info_list));
  129. DEFINE(PROCINFO_INITFUNC, offsetof(struct proc_info_list, __cpu_flush));
  130. DEFINE(PROCINFO_MM_MMUFLAGS, offsetof(struct proc_info_list, __cpu_mm_mmu_flags));
  131. DEFINE(PROCINFO_IO_MMUFLAGS, offsetof(struct proc_info_list, __cpu_io_mmu_flags));
  132. BLANK();
  133. #ifdef MULTI_DABORT
  134. DEFINE(PROCESSOR_DABT_FUNC, offsetof(struct processor, _data_abort));
  135. #endif
  136. #ifdef MULTI_PABORT
  137. DEFINE(PROCESSOR_PABT_FUNC, offsetof(struct processor, _prefetch_abort));
  138. #endif
  139. #ifdef MULTI_CPU
  140. DEFINE(CPU_SLEEP_SIZE, offsetof(struct processor, suspend_size));
  141. DEFINE(CPU_DO_SUSPEND, offsetof(struct processor, do_suspend));
  142. DEFINE(CPU_DO_RESUME, offsetof(struct processor, do_resume));
  143. #endif
  144. #ifdef MULTI_CACHE
  145. DEFINE(CACHE_FLUSH_KERN_ALL, offsetof(struct cpu_cache_fns, flush_kern_all));
  146. #endif
  147. #ifdef CONFIG_ARM_CPU_SUSPEND
  148. DEFINE(SLEEP_SAVE_SP_SZ, sizeof(struct sleep_save_sp));
  149. DEFINE(SLEEP_SAVE_SP_PHYS, offsetof(struct sleep_save_sp, save_ptr_stash_phys));
  150. DEFINE(SLEEP_SAVE_SP_VIRT, offsetof(struct sleep_save_sp, save_ptr_stash));
  151. #endif
  152. BLANK();
  153. DEFINE(DMA_BIDIRECTIONAL, DMA_BIDIRECTIONAL);
  154. DEFINE(DMA_TO_DEVICE, DMA_TO_DEVICE);
  155. DEFINE(DMA_FROM_DEVICE, DMA_FROM_DEVICE);
  156. BLANK();
  157. DEFINE(CACHE_WRITEBACK_ORDER, __CACHE_WRITEBACK_ORDER);
  158. DEFINE(CACHE_WRITEBACK_GRANULE, __CACHE_WRITEBACK_GRANULE);
  159. BLANK();
  160. #ifdef CONFIG_KVM_ARM_HOST
  161. DEFINE(VCPU_KVM, offsetof(struct kvm_vcpu, kvm));
  162. DEFINE(VCPU_MIDR, offsetof(struct kvm_vcpu, arch.midr));
  163. DEFINE(VCPU_CP15, offsetof(struct kvm_vcpu, arch.cp15));
  164. DEFINE(VCPU_VFP_GUEST, offsetof(struct kvm_vcpu, arch.vfp_guest));
  165. DEFINE(VCPU_VFP_HOST, offsetof(struct kvm_vcpu, arch.host_cpu_context));
  166. DEFINE(VCPU_REGS, offsetof(struct kvm_vcpu, arch.regs));
  167. DEFINE(VCPU_USR_REGS, offsetof(struct kvm_vcpu, arch.regs.usr_regs));
  168. DEFINE(VCPU_SVC_REGS, offsetof(struct kvm_vcpu, arch.regs.svc_regs));
  169. DEFINE(VCPU_ABT_REGS, offsetof(struct kvm_vcpu, arch.regs.abt_regs));
  170. DEFINE(VCPU_UND_REGS, offsetof(struct kvm_vcpu, arch.regs.und_regs));
  171. DEFINE(VCPU_IRQ_REGS, offsetof(struct kvm_vcpu, arch.regs.irq_regs));
  172. DEFINE(VCPU_FIQ_REGS, offsetof(struct kvm_vcpu, arch.regs.fiq_regs));
  173. DEFINE(VCPU_PC, offsetof(struct kvm_vcpu, arch.regs.usr_regs.ARM_pc));
  174. DEFINE(VCPU_CPSR, offsetof(struct kvm_vcpu, arch.regs.usr_regs.ARM_cpsr));
  175. DEFINE(VCPU_IRQ_LINES, offsetof(struct kvm_vcpu, arch.irq_lines));
  176. DEFINE(VCPU_HSR, offsetof(struct kvm_vcpu, arch.fault.hsr));
  177. DEFINE(VCPU_HxFAR, offsetof(struct kvm_vcpu, arch.fault.hxfar));
  178. DEFINE(VCPU_HPFAR, offsetof(struct kvm_vcpu, arch.fault.hpfar));
  179. DEFINE(VCPU_HYP_PC, offsetof(struct kvm_vcpu, arch.fault.hyp_pc));
  180. #ifdef CONFIG_KVM_ARM_VGIC
  181. DEFINE(VCPU_VGIC_CPU, offsetof(struct kvm_vcpu, arch.vgic_cpu));
  182. DEFINE(VGIC_CPU_HCR, offsetof(struct vgic_cpu, vgic_hcr));
  183. DEFINE(VGIC_CPU_VMCR, offsetof(struct vgic_cpu, vgic_vmcr));
  184. DEFINE(VGIC_CPU_MISR, offsetof(struct vgic_cpu, vgic_misr));
  185. DEFINE(VGIC_CPU_EISR, offsetof(struct vgic_cpu, vgic_eisr));
  186. DEFINE(VGIC_CPU_ELRSR, offsetof(struct vgic_cpu, vgic_elrsr));
  187. DEFINE(VGIC_CPU_APR, offsetof(struct vgic_cpu, vgic_apr));
  188. DEFINE(VGIC_CPU_LR, offsetof(struct vgic_cpu, vgic_lr));
  189. DEFINE(VGIC_CPU_NR_LR, offsetof(struct vgic_cpu, nr_lr));
  190. #ifdef CONFIG_KVM_ARM_TIMER
  191. DEFINE(VCPU_TIMER_CNTV_CTL, offsetof(struct kvm_vcpu, arch.timer_cpu.cntv_ctl));
  192. DEFINE(VCPU_TIMER_CNTV_CVAL, offsetof(struct kvm_vcpu, arch.timer_cpu.cntv_cval));
  193. DEFINE(KVM_TIMER_CNTVOFF, offsetof(struct kvm, arch.timer.cntvoff));
  194. DEFINE(KVM_TIMER_ENABLED, offsetof(struct kvm, arch.timer.enabled));
  195. #endif
  196. DEFINE(KVM_VGIC_VCTRL, offsetof(struct kvm, arch.vgic.vctrl_base));
  197. #endif
  198. DEFINE(KVM_VTTBR, offsetof(struct kvm, arch.vttbr));
  199. #endif
  200. return 0;
  201. }