arch/powerpc/kernel/asm-offsets.c

   1 /*
   2  * This program is used to generate definitions needed by
   3  * assembly language modules.
   4  *
   5  * We use the technique used in the OSF Mach kernel code:
   6  * generate asm statements containing #defines,
   7  * compile this file to assembler, and then extract the
   8  * #defines from the assembly-language output.
   9  *
  10  * This program is free software; you can redistribute it and/or
  11  * modify it under the terms of the GNU General Public License
  12  * as published by the Free Software Foundation; either version
  13  * 2 of the License, or (at your option) any later version.
  14  */
  15
  16 #include <linux/signal.h>
  17 #include <linux/sched.h>
  18 #include <linux/kernel.h>
  19 #include <linux/errno.h>
  20 #include <linux/string.h>
  21 #include <linux/types.h>
  22 #include <linux/mman.h>
  23 #include <linux/mm.h>
  24 #include <linux/suspend.h>
  25 #include <linux/hrtimer.h>
  26 #ifdef CONFIG_PPC64
  27 #include <linux/time.h>
  28 #include <linux/hardirq.h>
  29 #endif
  30 #include <linux/kbuild.h>
  31
  32 #include <asm/io.h>
  33 #include <asm/page.h>
  34 #include <asm/pgtable.h>
  35 #include <asm/processor.h>
  36 #include <asm/cputable.h>
  37 #include <asm/thread_info.h>
  38 #include <asm/rtas.h>
  39 #include <asm/vdso_datapage.h>
  40 #ifdef CONFIG_PPC64
  41 #include <asm/paca.h>
  42 #include <asm/lppaca.h>
  43 #include <asm/cache.h>
  44 #include <asm/compat.h>
  45 #include <asm/mmu.h>
  46 #include <asm/hvcall.h>
  47 #include <asm/xics.h>
  48 #endif
  49 #ifdef CONFIG_PPC_POWERNV
  50 #include <asm/opal.h>
  51 #endif
  52 #if defined(CONFIG_KVM) || defined(CONFIG_KVM_GUEST)
  53 #include <linux/kvm_host.h>
  54 #endif
  55 #if defined(CONFIG_KVM) && defined(CONFIG_PPC_BOOK3S)
  56 #include <asm/kvm_book3s.h>
  57 #endif
  58
  59 #ifdef CONFIG_PPC32
  60 #if defined(CONFIG_BOOKE) || defined(CONFIG_40x)
  61 #include "head_booke.h"
  62 #endif
  63 #endif
  64
  65 #if defined(CONFIG_PPC_FSL_BOOK3E)
  66 #include "../mm/mmu_decl.h"
  67 #endif
  68
  69 int main(void)
  70 {
  71         DEFINE(THREAD, offsetof(struct task_struct, thread));
  72         DEFINE(MM, offsetof(struct task_struct, mm));
  73         DEFINE(MMCONTEXTID, offsetof(struct mm_struct, context.id));
  74 #ifdef CONFIG_PPC64
  75         DEFINE(AUDITCONTEXT, offsetof(struct task_struct, audit_context));
  76         DEFINE(SIGSEGV, SIGSEGV);
  77         DEFINE(NMI_MASK, NMI_MASK);
  78         DEFINE(THREAD_DSCR, offsetof(struct thread_struct, dscr));
  79 #else
  80         DEFINE(THREAD_INFO, offsetof(struct task_struct, stack));
  81 #endif /* CONFIG_PPC64 */
  82
  83         DEFINE(KSP, offsetof(struct thread_struct, ksp));
  84         DEFINE(KSP_LIMIT, offsetof(struct thread_struct, ksp_limit));
  85         DEFINE(PT_REGS, offsetof(struct thread_struct, regs));
  86 #ifdef CONFIG_BOOKE
  87         DEFINE(THREAD_NORMSAVES, offsetof(struct thread_struct, normsave[0]));
  88 #endif
  89         DEFINE(THREAD_FPEXC_MODE, offsetof(struct thread_struct, fpexc_mode));
  90         DEFINE(THREAD_FPR0, offsetof(struct thread_struct, fpr[0]));
  91         DEFINE(THREAD_FPSCR, offsetof(struct thread_struct, fpscr));
  92 #ifdef CONFIG_ALTIVEC
  93         DEFINE(THREAD_VR0, offsetof(struct thread_struct, vr[0]));
  94         DEFINE(THREAD_VRSAVE, offsetof(struct thread_struct, vrsave));
  95         DEFINE(THREAD_VSCR, offsetof(struct thread_struct, vscr));
  96         DEFINE(THREAD_USED_VR, offsetof(struct thread_struct, used_vr));
  97 #endif /* CONFIG_ALTIVEC */
  98 #ifdef CONFIG_VSX
  99         DEFINE(THREAD_VSR0, offsetof(struct thread_struct, fpr));
 100         DEFINE(THREAD_USED_VSR, offsetof(struct thread_struct, used_vsr));
 101 #endif /* CONFIG_VSX */
 102 #ifdef CONFIG_PPC64
 103         DEFINE(KSP_VSID, offsetof(struct thread_struct, ksp_vsid));
 104 #else /* CONFIG_PPC64 */
 105         DEFINE(PGDIR, offsetof(struct thread_struct, pgdir));
 106 #if defined(CONFIG_4xx) || defined(CONFIG_BOOKE)
 107         DEFINE(THREAD_DBCR0, offsetof(struct thread_struct, dbcr0));
 108 #endif
 109 #ifdef CONFIG_SPE
 110         DEFINE(THREAD_EVR0, offsetof(struct thread_struct, evr[0]));
 111         DEFINE(THREAD_ACC, offsetof(struct thread_struct, acc));
 112         DEFINE(THREAD_SPEFSCR, offsetof(struct thread_struct, spefscr));
 113         DEFINE(THREAD_USED_SPE, offsetof(struct thread_struct, used_spe));
 114 #endif /* CONFIG_SPE */
 115 #endif /* CONFIG_PPC64 */
 116 #ifdef CONFIG_KVM_BOOK3S_32_HANDLER
 117         DEFINE(THREAD_KVM_SVCPU, offsetof(struct thread_struct, kvm_shadow_vcpu));
 118 #endif
 119 #ifdef CONFIG_KVM_BOOKE_HV
 120         DEFINE(THREAD_KVM_VCPU, offsetof(struct thread_struct, kvm_vcpu));
 121 #endif
 122
 123         DEFINE(TI_FLAGS, offsetof(struct thread_info, flags));
 124         DEFINE(TI_LOCAL_FLAGS, offsetof(struct thread_info, local_flags));
 125         DEFINE(TI_PREEMPT, offsetof(struct thread_info, preempt_count));
 126         DEFINE(TI_TASK, offsetof(struct thread_info, task));
 127         DEFINE(TI_CPU, offsetof(struct thread_info, cpu));
 128
 129 #ifdef CONFIG_PPC64
 130         DEFINE(DCACHEL1LINESIZE, offsetof(struct ppc64_caches, dline_size));
 131         DEFINE(DCACHEL1LOGLINESIZE, offsetof(struct ppc64_caches, log_dline_size));
 132         DEFINE(DCACHEL1LINESPERPAGE, offsetof(struct ppc64_caches, dlines_per_page));
 133         DEFINE(ICACHEL1LINESIZE, offsetof(struct ppc64_caches, iline_size));
 134         DEFINE(ICACHEL1LOGLINESIZE, offsetof(struct ppc64_caches, log_iline_size));
 135         DEFINE(ICACHEL1LINESPERPAGE, offsetof(struct ppc64_caches, ilines_per_page));
 136         /* paca */
 137         DEFINE(PACA_SIZE, sizeof(struct paca_struct));
 138         DEFINE(PACA_LOCK_TOKEN, offsetof(struct paca_struct, lock_token));
 139         DEFINE(PACAPACAINDEX, offsetof(struct paca_struct, paca_index));
 140         DEFINE(PACAPROCSTART, offsetof(struct paca_struct, cpu_start));
 141         DEFINE(PACAKSAVE, offsetof(struct paca_struct, kstack));
 142         DEFINE(PACACURRENT, offsetof(struct paca_struct, __current));
 143         DEFINE(PACASAVEDMSR, offsetof(struct paca_struct, saved_msr));
 144         DEFINE(PACASTABRR, offsetof(struct paca_struct, stab_rr));
 145         DEFINE(PACAR1, offsetof(struct paca_struct, saved_r1));
 146         DEFINE(PACATOC, offsetof(struct paca_struct, kernel_toc));
 147         DEFINE(PACAKBASE, offsetof(struct paca_struct, kernelbase));
 148         DEFINE(PACAKMSR, offsetof(struct paca_struct, kernel_msr));
 149         DEFINE(PACASOFTIRQEN, offsetof(struct paca_struct, soft_enabled));
 150         DEFINE(PACAIRQHAPPENED, offsetof(struct paca_struct, irq_happened));
 151         DEFINE(PACACONTEXTID, offsetof(struct paca_struct, context.id));
 152 #ifdef CONFIG_PPC_MM_SLICES
 153         DEFINE(PACALOWSLICESPSIZE, offsetof(struct paca_struct,
 154                                             context.low_slices_psize));
 155         DEFINE(PACAHIGHSLICEPSIZE, offsetof(struct paca_struct,
 156                                             context.high_slices_psize));
 157         DEFINE(MMUPSIZEDEFSIZE, sizeof(struct mmu_psize_def));
 158 #endif /* CONFIG_PPC_MM_SLICES */
 159
 160 #ifdef CONFIG_PPC_BOOK3E
 161         DEFINE(PACAPGD, offsetof(struct paca_struct, pgd));
 162         DEFINE(PACA_KERNELPGD, offsetof(struct paca_struct, kernel_pgd));
 163         DEFINE(PACA_EXGEN, offsetof(struct paca_struct, exgen));
 164         DEFINE(PACA_EXTLB, offsetof(struct paca_struct, extlb));
 165         DEFINE(PACA_EXMC, offsetof(struct paca_struct, exmc));
 166         DEFINE(PACA_EXCRIT, offsetof(struct paca_struct, excrit));
 167         DEFINE(PACA_EXDBG, offsetof(struct paca_struct, exdbg));
 168         DEFINE(PACA_MC_STACK, offsetof(struct paca_struct, mc_kstack));
 169         DEFINE(PACA_CRIT_STACK, offsetof(struct paca_struct, crit_kstack));
 170         DEFINE(PACA_DBG_STACK, offsetof(struct paca_struct, dbg_kstack));
 171 #endif /* CONFIG_PPC_BOOK3E */
 172
 173 #ifdef CONFIG_PPC_STD_MMU_64
 174         DEFINE(PACASTABREAL, offsetof(struct paca_struct, stab_real));
 175         DEFINE(PACASTABVIRT, offsetof(struct paca_struct, stab_addr));
 176         DEFINE(PACASLBCACHE, offsetof(struct paca_struct, slb_cache));
 177         DEFINE(PACASLBCACHEPTR, offsetof(struct paca_struct, slb_cache_ptr));
 178         DEFINE(PACAVMALLOCSLLP, offsetof(struct paca_struct, vmalloc_sllp));
 179 #ifdef CONFIG_PPC_MM_SLICES
 180         DEFINE(MMUPSIZESLLP, offsetof(struct mmu_psize_def, sllp));
 181 #else
 182         DEFINE(PACACONTEXTSLLP, offsetof(struct paca_struct, context.sllp));
 183 #endif /* CONFIG_PPC_MM_SLICES */
 184         DEFINE(PACA_EXGEN, offsetof(struct paca_struct, exgen));
 185         DEFINE(PACA_EXMC, offsetof(struct paca_struct, exmc));
 186         DEFINE(PACA_EXSLB, offsetof(struct paca_struct, exslb));
 187         DEFINE(PACALPPACAPTR, offsetof(struct paca_struct, lppaca_ptr));
 188         DEFINE(PACA_SLBSHADOWPTR, offsetof(struct paca_struct, slb_shadow_ptr));
 189         DEFINE(SLBSHADOW_STACKVSID,
 190                offsetof(struct slb_shadow, save_area[SLB_NUM_BOLTED - 1].vsid));
 191         DEFINE(SLBSHADOW_STACKESID,
 192                offsetof(struct slb_shadow, save_area[SLB_NUM_BOLTED - 1].esid));
 193         DEFINE(SLBSHADOW_SAVEAREA, offsetof(struct slb_shadow, save_area));
 194         DEFINE(LPPACA_PMCINUSE, offsetof(struct lppaca, pmcregs_in_use));
 195         DEFINE(LPPACA_DTLIDX, offsetof(struct lppaca, dtl_idx));
 196         DEFINE(LPPACA_YIELDCOUNT, offsetof(struct lppaca, yield_count));
 197         DEFINE(PACA_DTL_RIDX, offsetof(struct paca_struct, dtl_ridx));
 198 #endif /* CONFIG_PPC_STD_MMU_64 */
 199         DEFINE(PACAEMERGSP, offsetof(struct paca_struct, emergency_sp));
 200         DEFINE(PACAHWCPUID, offsetof(struct paca_struct, hw_cpu_id));
 201         DEFINE(PACAKEXECSTATE, offsetof(struct paca_struct, kexec_state));
 202         DEFINE(PACA_STARTTIME, offsetof(struct paca_struct, starttime));
 203         DEFINE(PACA_STARTTIME_USER, offsetof(struct paca_struct, starttime_user));
 204         DEFINE(PACA_USER_TIME, offsetof(struct paca_struct, user_time));
 205         DEFINE(PACA_SYSTEM_TIME, offsetof(struct paca_struct, system_time));
 206         DEFINE(PACA_TRAP_SAVE, offsetof(struct paca_struct, trap_save));
 207         DEFINE(PACA_NAPSTATELOST, offsetof(struct paca_struct, nap_state_lost));
 208 #endif /* CONFIG_PPC64 */
 209
 210         /* RTAS */
 211         DEFINE(RTASBASE, offsetof(struct rtas_t, base));
 212         DEFINE(RTASENTRY, offsetof(struct rtas_t, entry));
 213
 214         /* Interrupt register frame */
 215         DEFINE(INT_FRAME_SIZE, STACK_INT_FRAME_SIZE);
 216         DEFINE(SWITCH_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs));
 217 #ifdef CONFIG_PPC64
 218         /* Create extra stack space for SRR0 and SRR1 when calling prom/rtas. */
 219         DEFINE(PROM_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs) + 16);
 220         DEFINE(RTAS_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs) + 16);
 221
 222         /* hcall statistics */
 223         DEFINE(HCALL_STAT_SIZE, sizeof(struct hcall_stats));
 224         DEFINE(HCALL_STAT_CALLS, offsetof(struct hcall_stats, num_calls));
 225         DEFINE(HCALL_STAT_TB, offsetof(struct hcall_stats, tb_total));
 226         DEFINE(HCALL_STAT_PURR, offsetof(struct hcall_stats, purr_total));
 227 #endif /* CONFIG_PPC64 */
 228         DEFINE(GPR0, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[0]));
 229         DEFINE(GPR1, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[1]));
 230         DEFINE(GPR2, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[2]));
 231         DEFINE(GPR3, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[3]));
 232         DEFINE(GPR4, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[4]));
 233         DEFINE(GPR5, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[5]));
 234         DEFINE(GPR6, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[6]));
 235         DEFINE(GPR7, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[7]));
 236         DEFINE(GPR8, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[8]));
 237         DEFINE(GPR9, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[9]));
 238         DEFINE(GPR10, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[10]));
 239         DEFINE(GPR11, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[11]));
 240         DEFINE(GPR12, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[12]));
 241         DEFINE(GPR13, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[13]));
 242 #ifndef CONFIG_PPC64
 243         DEFINE(GPR14, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[14]));
 244         DEFINE(GPR15, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[15]));
 245         DEFINE(GPR16, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[16]));
 246         DEFINE(GPR17, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[17]));
 247         DEFINE(GPR18, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[18]));
 248         DEFINE(GPR19, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[19]));
 249         DEFINE(GPR20, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[20]));
 250         DEFINE(GPR21, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[21]));
 251         DEFINE(GPR22, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[22]));
 252         DEFINE(GPR23, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[23]));
 253         DEFINE(GPR24, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[24]));
 254         DEFINE(GPR25, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[25]));
 255         DEFINE(GPR26, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[26]));
 256         DEFINE(GPR27, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[27]));
 257         DEFINE(GPR28, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[28]));
 258         DEFINE(GPR29, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[29]));
 259         DEFINE(GPR30, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[30]));
 260         DEFINE(GPR31, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[31]));
 261 #endif /* CONFIG_PPC64 */
 262         /*
 263          * Note: these symbols include _ because they overlap with special
 264          * register names
 265          */
 266         DEFINE(_NIP, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, nip));
 267         DEFINE(_MSR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, msr));
 268         DEFINE(_CTR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, ctr));
 269         DEFINE(_LINK, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, link));
 270         DEFINE(_CCR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, ccr));
 271         DEFINE(_XER, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, xer));
 272         DEFINE(_DAR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dar));
 273         DEFINE(_DSISR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dsisr));
 274         DEFINE(ORIG_GPR3, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, orig_gpr3));
 275         DEFINE(RESULT, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, result));
 276         DEFINE(_TRAP, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, trap));
 277 #ifndef CONFIG_PPC64
 278         DEFINE(_MQ, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, mq));
 279         /*
 280          * The PowerPC 400-class & Book-E processors have neither the DAR
 281          * nor the DSISR SPRs. Hence, we overload them to hold the similar
 282          * DEAR and ESR SPRs for such processors.  For critical interrupts
 283          * we use them to hold SRR0 and SRR1.
 284          */
 285         DEFINE(_DEAR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dar));
 286         DEFINE(_ESR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dsisr));
 287 #else /* CONFIG_PPC64 */
 288         DEFINE(SOFTE, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, softe));
 289
 290         /* These _only_ to be used with {PROM,RTAS}_FRAME_SIZE!!! */
 291         DEFINE(_SRR0, STACK_FRAME_OVERHEAD+sizeof(struct pt_regs));
 292         DEFINE(_SRR1, STACK_FRAME_OVERHEAD+sizeof(struct pt_regs)+8);
 293 #endif /* CONFIG_PPC64 */
 294
 295 #if defined(CONFIG_PPC32)
 296 #if defined(CONFIG_BOOKE) || defined(CONFIG_40x)
 297         DEFINE(EXC_LVL_SIZE, STACK_EXC_LVL_FRAME_SIZE);
 298         DEFINE(MAS0, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, mas0));
 299         /* we overload MMUCR for 44x on MAS0 since they are mutually exclusive */
 300         DEFINE(MMUCR, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, mas0));
 301         DEFINE(MAS1, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, mas1));
 302         DEFINE(MAS2, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, mas2));
 303         DEFINE(MAS3, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, mas3));
 304         DEFINE(MAS6, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, mas6));
 305         DEFINE(MAS7, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, mas7));
 306         DEFINE(_SRR0, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, srr0));
 307         DEFINE(_SRR1, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, srr1));
 308         DEFINE(_CSRR0, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, csrr0));
 309         DEFINE(_CSRR1, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, csrr1));
 310         DEFINE(_DSRR0, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, dsrr0));
 311         DEFINE(_DSRR1, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, dsrr1));
 312         DEFINE(SAVED_KSP_LIMIT, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, saved_ksp_limit));
 313 #endif
 314 #endif
 315         DEFINE(CLONE_VM, CLONE_VM);
 316         DEFINE(CLONE_UNTRACED, CLONE_UNTRACED);
 317
 318 #ifndef CONFIG_PPC64
 319         DEFINE(MM_PGD, offsetof(struct mm_struct, pgd));
 320 #endif /* ! CONFIG_PPC64 */
 321
 322         /* About the CPU features table */
 323         DEFINE(CPU_SPEC_FEATURES, offsetof(struct cpu_spec, cpu_features));
 324         DEFINE(CPU_SPEC_SETUP, offsetof(struct cpu_spec, cpu_setup));
 325         DEFINE(CPU_SPEC_RESTORE, offsetof(struct cpu_spec, cpu_restore));
 326
 327         DEFINE(pbe_address, offsetof(struct pbe, address));
 328         DEFINE(pbe_orig_address, offsetof(struct pbe, orig_address));
 329         DEFINE(pbe_next, offsetof(struct pbe, next));
 330
 331 #ifndef CONFIG_PPC64
 332         DEFINE(TASK_SIZE, TASK_SIZE);
 333         DEFINE(NUM_USER_SEGMENTS, TASK_SIZE>>28);
 334 #endif /* ! CONFIG_PPC64 */
 335
 336         /* datapage offsets for use by vdso */
 337         DEFINE(CFG_TB_ORIG_STAMP, offsetof(struct vdso_data, tb_orig_stamp));
 338         DEFINE(CFG_TB_TICKS_PER_SEC, offsetof(struct vdso_data, tb_ticks_per_sec));
 339         DEFINE(CFG_TB_TO_XS, offsetof(struct vdso_data, tb_to_xs));
 340         DEFINE(CFG_STAMP_XSEC, offsetof(struct vdso_data, stamp_xsec));
 341         DEFINE(CFG_TB_UPDATE_COUNT, offsetof(struct vdso_data, tb_update_count));
 342         DEFINE(CFG_TZ_MINUTEWEST, offsetof(struct vdso_data, tz_minuteswest));
 343         DEFINE(CFG_TZ_DSTTIME, offsetof(struct vdso_data, tz_dsttime));
 344         DEFINE(CFG_SYSCALL_MAP32, offsetof(struct vdso_data, syscall_map_32));
 345         DEFINE(WTOM_CLOCK_SEC, offsetof(struct vdso_data, wtom_clock_sec));
 346         DEFINE(WTOM_CLOCK_NSEC, offsetof(struct vdso_data, wtom_clock_nsec));
 347         DEFINE(STAMP_XTIME, offsetof(struct vdso_data, stamp_xtime));
 348         DEFINE(STAMP_SEC_FRAC, offsetof(struct vdso_data, stamp_sec_fraction));
 349         DEFINE(CFG_ICACHE_BLOCKSZ, offsetof(struct vdso_data, icache_block_size));
 350         DEFINE(CFG_DCACHE_BLOCKSZ, offsetof(struct vdso_data, dcache_block_size));
 351         DEFINE(CFG_ICACHE_LOGBLOCKSZ, offsetof(struct vdso_data, icache_log_block_size));
 352         DEFINE(CFG_DCACHE_LOGBLOCKSZ, offsetof(struct vdso_data, dcache_log_block_size));
 353 #ifdef CONFIG_PPC64
 354         DEFINE(CFG_SYSCALL_MAP64, offsetof(struct vdso_data, syscall_map_64));
 355         DEFINE(TVAL64_TV_SEC, offsetof(struct timeval, tv_sec));
 356         DEFINE(TVAL64_TV_USEC, offsetof(struct timeval, tv_usec));
 357         DEFINE(TVAL32_TV_SEC, offsetof(struct compat_timeval, tv_sec));
 358         DEFINE(TVAL32_TV_USEC, offsetof(struct compat_timeval, tv_usec));
 359         DEFINE(TSPC64_TV_SEC, offsetof(struct timespec, tv_sec));
 360         DEFINE(TSPC64_TV_NSEC, offsetof(struct timespec, tv_nsec));
 361         DEFINE(TSPC32_TV_SEC, offsetof(struct compat_timespec, tv_sec));
 362         DEFINE(TSPC32_TV_NSEC, offsetof(struct compat_timespec, tv_nsec));
 363 #else
 364         DEFINE(TVAL32_TV_SEC, offsetof(struct timeval, tv_sec));
 365         DEFINE(TVAL32_TV_USEC, offsetof(struct timeval, tv_usec));
 366         DEFINE(TSPC32_TV_SEC, offsetof(struct timespec, tv_sec));
 367         DEFINE(TSPC32_TV_NSEC, offsetof(struct timespec, tv_nsec));
 368 #endif
 369         /* timeval/timezone offsets for use by vdso */
 370         DEFINE(TZONE_TZ_MINWEST, offsetof(struct timezone, tz_minuteswest));
 371         DEFINE(TZONE_TZ_DSTTIME, offsetof(struct timezone, tz_dsttime));
 372
 373         /* Other bits used by the vdso */
 374         DEFINE(CLOCK_REALTIME, CLOCK_REALTIME);
 375         DEFINE(CLOCK_MONOTONIC, CLOCK_MONOTONIC);
 376         DEFINE(NSEC_PER_SEC, NSEC_PER_SEC);
 377         DEFINE(CLOCK_REALTIME_RES, MONOTONIC_RES_NSEC);
 378
 379 #ifdef CONFIG_BUG
 380         DEFINE(BUG_ENTRY_SIZE, sizeof(struct bug_entry));
 381 #endif
 382
 383         DEFINE(PGD_TABLE_SIZE, PGD_TABLE_SIZE);
 384         DEFINE(PTE_SIZE, sizeof(pte_t));
 385
 386 #ifdef CONFIG_KVM
 387         DEFINE(VCPU_HOST_STACK, offsetof(struct kvm_vcpu, arch.host_stack));
 388         DEFINE(VCPU_HOST_PID, offsetof(struct kvm_vcpu, arch.host_pid));
 389         DEFINE(VCPU_GUEST_PID, offsetof(struct kvm_vcpu, arch.pid));
 390         DEFINE(VCPU_GPRS, offsetof(struct kvm_vcpu, arch.gpr));
 391         DEFINE(VCPU_VRSAVE, offsetof(struct kvm_vcpu, arch.vrsave));
 392         DEFINE(VCPU_FPRS, offsetof(struct kvm_vcpu, arch.fpr));
 393         DEFINE(VCPU_FPSCR, offsetof(struct kvm_vcpu, arch.fpscr));
 394 #ifdef CONFIG_ALTIVEC
 395         DEFINE(VCPU_VRS, offsetof(struct kvm_vcpu, arch.vr));
 396         DEFINE(VCPU_VSCR, offsetof(struct kvm_vcpu, arch.vscr));
 397 #endif
 398 #ifdef CONFIG_VSX
 399         DEFINE(VCPU_VSRS, offsetof(struct kvm_vcpu, arch.vsr));
 400 #endif
 401         DEFINE(VCPU_XER, offsetof(struct kvm_vcpu, arch.xer));
 402         DEFINE(VCPU_CTR, offsetof(struct kvm_vcpu, arch.ctr));
 403         DEFINE(VCPU_LR, offsetof(struct kvm_vcpu, arch.lr));
 404         DEFINE(VCPU_CR, offsetof(struct kvm_vcpu, arch.cr));
 405         DEFINE(VCPU_PC, offsetof(struct kvm_vcpu, arch.pc));
 406 #ifdef CONFIG_KVM_BOOK3S_64_HV
 407         DEFINE(VCPU_MSR, offsetof(struct kvm_vcpu, arch.shregs.msr));
 408         DEFINE(VCPU_SRR0, offsetof(struct kvm_vcpu, arch.shregs.srr0));
 409         DEFINE(VCPU_SRR1, offsetof(struct kvm_vcpu, arch.shregs.srr1));
 410         DEFINE(VCPU_SPRG0, offsetof(struct kvm_vcpu, arch.shregs.sprg0));
 411         DEFINE(VCPU_SPRG1, offsetof(struct kvm_vcpu, arch.shregs.sprg1));
 412         DEFINE(VCPU_SPRG2, offsetof(struct kvm_vcpu, arch.shregs.sprg2));
 413         DEFINE(VCPU_SPRG3, offsetof(struct kvm_vcpu, arch.shregs.sprg3));
 414 #endif
 415         DEFINE(VCPU_SHARED_SPRG4, offsetof(struct kvm_vcpu_arch_shared, sprg4));
 416         DEFINE(VCPU_SHARED_SPRG5, offsetof(struct kvm_vcpu_arch_shared, sprg5));
 417         DEFINE(VCPU_SHARED_SPRG6, offsetof(struct kvm_vcpu_arch_shared, sprg6));
 418         DEFINE(VCPU_SHARED_SPRG7, offsetof(struct kvm_vcpu_arch_shared, sprg7));
 419         DEFINE(VCPU_SHADOW_PID, offsetof(struct kvm_vcpu, arch.shadow_pid));
 420         DEFINE(VCPU_SHADOW_PID1, offsetof(struct kvm_vcpu, arch.shadow_pid1));
 421         DEFINE(VCPU_SHARED, offsetof(struct kvm_vcpu, arch.shared));
 422         DEFINE(VCPU_SHARED_MSR, offsetof(struct kvm_vcpu_arch_shared, msr));
 423         DEFINE(VCPU_SHADOW_MSR, offsetof(struct kvm_vcpu, arch.shadow_msr));
 424
 425         DEFINE(VCPU_SHARED_MAS0, offsetof(struct kvm_vcpu_arch_shared, mas0));
 426         DEFINE(VCPU_SHARED_MAS1, offsetof(struct kvm_vcpu_arch_shared, mas1));
 427         DEFINE(VCPU_SHARED_MAS2, offsetof(struct kvm_vcpu_arch_shared, mas2));
 428         DEFINE(VCPU_SHARED_MAS7_3, offsetof(struct kvm_vcpu_arch_shared, mas7_3));
 429         DEFINE(VCPU_SHARED_MAS4, offsetof(struct kvm_vcpu_arch_shared, mas4));
 430         DEFINE(VCPU_SHARED_MAS6, offsetof(struct kvm_vcpu_arch_shared, mas6));
 431
 432         DEFINE(VCPU_KVM, offsetof(struct kvm_vcpu, kvm));
 433         DEFINE(KVM_LPID, offsetof(struct kvm, arch.lpid));
 434
 435         /* book3s */
 436 #ifdef CONFIG_KVM_BOOK3S_64_HV
 437         DEFINE(KVM_SDR1, offsetof(struct kvm, arch.sdr1));
 438         DEFINE(KVM_HOST_LPID, offsetof(struct kvm, arch.host_lpid));
 439         DEFINE(KVM_HOST_LPCR, offsetof(struct kvm, arch.host_lpcr));
 440         DEFINE(KVM_HOST_SDR1, offsetof(struct kvm, arch.host_sdr1));
 441         DEFINE(KVM_TLBIE_LOCK, offsetof(struct kvm, arch.tlbie_lock));
 442         DEFINE(KVM_ONLINE_CPUS, offsetof(struct kvm, online_vcpus.counter));
 443         DEFINE(KVM_LAST_VCPU, offsetof(struct kvm, arch.last_vcpu));
 444         DEFINE(KVM_LPCR, offsetof(struct kvm, arch.lpcr));
 445         DEFINE(KVM_RMOR, offsetof(struct kvm, arch.rmor));
 446         DEFINE(KVM_VRMA_SLB_V, offsetof(struct kvm, arch.vrma_slb_v));
 447         DEFINE(VCPU_DSISR, offsetof(struct kvm_vcpu, arch.shregs.dsisr));
 448         DEFINE(VCPU_DAR, offsetof(struct kvm_vcpu, arch.shregs.dar));
 449         DEFINE(VCPU_VPA, offsetof(struct kvm_vcpu, arch.vpa.pinned_addr));
 450 #endif
 451 #ifdef CONFIG_PPC_BOOK3S
 452         DEFINE(VCPU_VCPUID, offsetof(struct kvm_vcpu, vcpu_id));
 453         DEFINE(VCPU_PURR, offsetof(struct kvm_vcpu, arch.purr));
 454         DEFINE(VCPU_SPURR, offsetof(struct kvm_vcpu, arch.spurr));
 455         DEFINE(VCPU_DSCR, offsetof(struct kvm_vcpu, arch.dscr));
 456         DEFINE(VCPU_AMR, offsetof(struct kvm_vcpu, arch.amr));
 457         DEFINE(VCPU_UAMOR, offsetof(struct kvm_vcpu, arch.uamor));
 458         DEFINE(VCPU_CTRL, offsetof(struct kvm_vcpu, arch.ctrl));
 459         DEFINE(VCPU_DABR, offsetof(struct kvm_vcpu, arch.dabr));
 460         DEFINE(VCPU_HFLAGS, offsetof(struct kvm_vcpu, arch.hflags));
 461         DEFINE(VCPU_DEC, offsetof(struct kvm_vcpu, arch.dec));
 462         DEFINE(VCPU_DEC_EXPIRES, offsetof(struct kvm_vcpu, arch.dec_expires));
 463         DEFINE(VCPU_PENDING_EXC, offsetof(struct kvm_vcpu, arch.pending_exceptions));
 464         DEFINE(VCPU_CEDED, offsetof(struct kvm_vcpu, arch.ceded));
 465         DEFINE(VCPU_PRODDED, offsetof(struct kvm_vcpu, arch.prodded));
 466         DEFINE(VCPU_MMCR, offsetof(struct kvm_vcpu, arch.mmcr));
 467         DEFINE(VCPU_PMC, offsetof(struct kvm_vcpu, arch.pmc));
 468         DEFINE(VCPU_SLB, offsetof(struct kvm_vcpu, arch.slb));
 469         DEFINE(VCPU_SLB_MAX, offsetof(struct kvm_vcpu, arch.slb_max));
 470         DEFINE(VCPU_SLB_NR, offsetof(struct kvm_vcpu, arch.slb_nr));
 471         DEFINE(VCPU_LAST_CPU, offsetof(struct kvm_vcpu, arch.last_cpu));
 472         DEFINE(VCPU_FAULT_DSISR, offsetof(struct kvm_vcpu, arch.fault_dsisr));
 473         DEFINE(VCPU_FAULT_DAR, offsetof(struct kvm_vcpu, arch.fault_dar));
 474         DEFINE(VCPU_LAST_INST, offsetof(struct kvm_vcpu, arch.last_inst));
 475         DEFINE(VCPU_TRAP, offsetof(struct kvm_vcpu, arch.trap));
 476         DEFINE(VCPU_PTID, offsetof(struct kvm_vcpu, arch.ptid));
 477         DEFINE(VCORE_ENTRY_EXIT, offsetof(struct kvmppc_vcore, entry_exit_count));
 478         DEFINE(VCORE_NAP_COUNT, offsetof(struct kvmppc_vcore, nap_count));
 479         DEFINE(VCORE_IN_GUEST, offsetof(struct kvmppc_vcore, in_guest));
 480         DEFINE(VCORE_NAPPING_THREADS, offsetof(struct kvmppc_vcore, napping_threads));
 481         DEFINE(VCPU_SVCPU, offsetof(struct kvmppc_vcpu_book3s, shadow_vcpu) -
 482                            offsetof(struct kvmppc_vcpu_book3s, vcpu));
 483         DEFINE(VCPU_SLB_E, offsetof(struct kvmppc_slb, orige));
 484         DEFINE(VCPU_SLB_V, offsetof(struct kvmppc_slb, origv));
 485         DEFINE(VCPU_SLB_SIZE, sizeof(struct kvmppc_slb));
 486
 487 #ifdef CONFIG_PPC_BOOK3S_64
 488 #ifdef CONFIG_KVM_BOOK3S_PR
 489 # define SVCPU_FIELD(x, f)      DEFINE(x, offsetof(struct paca_struct, shadow_vcpu.f))
 490 #else
 491 # define SVCPU_FIELD(x, f)
 492 #endif
 493 # define HSTATE_FIELD(x, f)     DEFINE(x, offsetof(struct paca_struct, kvm_hstate.f))
 494 #else   /* 32-bit */
 495 # define SVCPU_FIELD(x, f)      DEFINE(x, offsetof(struct kvmppc_book3s_shadow_vcpu, f))
 496 # define HSTATE_FIELD(x, f)     DEFINE(x, offsetof(struct kvmppc_book3s_shadow_vcpu, hstate.f))
 497 #endif
 498
 499         SVCPU_FIELD(SVCPU_CR, cr);
 500         SVCPU_FIELD(SVCPU_XER, xer);
 501         SVCPU_FIELD(SVCPU_CTR, ctr);
 502         SVCPU_FIELD(SVCPU_LR, lr);
 503         SVCPU_FIELD(SVCPU_PC, pc);
 504         SVCPU_FIELD(SVCPU_R0, gpr[0]);
 505         SVCPU_FIELD(SVCPU_R1, gpr[1]);
 506         SVCPU_FIELD(SVCPU_R2, gpr[2]);
 507         SVCPU_FIELD(SVCPU_R3, gpr[3]);
 508         SVCPU_FIELD(SVCPU_R4, gpr[4]);
 509         SVCPU_FIELD(SVCPU_R5, gpr[5]);
 510         SVCPU_FIELD(SVCPU_R6, gpr[6]);
 511         SVCPU_FIELD(SVCPU_R7, gpr[7]);
 512         SVCPU_FIELD(SVCPU_R8, gpr[8]);
 513         SVCPU_FIELD(SVCPU_R9, gpr[9]);
 514         SVCPU_FIELD(SVCPU_R10, gpr[10]);
 515         SVCPU_FIELD(SVCPU_R11, gpr[11]);
 516         SVCPU_FIELD(SVCPU_R12, gpr[12]);
 517         SVCPU_FIELD(SVCPU_R13, gpr[13]);
 518         SVCPU_FIELD(SVCPU_FAULT_DSISR, fault_dsisr);
 519         SVCPU_FIELD(SVCPU_FAULT_DAR, fault_dar);
 520         SVCPU_FIELD(SVCPU_LAST_INST, last_inst);
 521         SVCPU_FIELD(SVCPU_SHADOW_SRR1, shadow_srr1);
 522 #ifdef CONFIG_PPC_BOOK3S_32
 523         SVCPU_FIELD(SVCPU_SR, sr);
 524 #endif
 525 #ifdef CONFIG_PPC64
 526         SVCPU_FIELD(SVCPU_SLB, slb);
 527         SVCPU_FIELD(SVCPU_SLB_MAX, slb_max);
 528 #endif
 529
 530         HSTATE_FIELD(HSTATE_HOST_R1, host_r1);
 531         HSTATE_FIELD(HSTATE_HOST_R2, host_r2);
 532         HSTATE_FIELD(HSTATE_HOST_MSR, host_msr);
 533         HSTATE_FIELD(HSTATE_VMHANDLER, vmhandler);
 534         HSTATE_FIELD(HSTATE_SCRATCH0, scratch0);
 535         HSTATE_FIELD(HSTATE_SCRATCH1, scratch1);
 536         HSTATE_FIELD(HSTATE_SPRG3, sprg3);
 537         HSTATE_FIELD(HSTATE_IN_GUEST, in_guest);
 538         HSTATE_FIELD(HSTATE_RESTORE_HID5, restore_hid5);
 539         HSTATE_FIELD(HSTATE_NAPPING, napping);
 540
 541 #ifdef CONFIG_KVM_BOOK3S_64_HV
 542         HSTATE_FIELD(HSTATE_HWTHREAD_REQ, hwthread_req);
 543         HSTATE_FIELD(HSTATE_HWTHREAD_STATE, hwthread_state);
 544         HSTATE_FIELD(HSTATE_KVM_VCPU, kvm_vcpu);
 545         HSTATE_FIELD(HSTATE_KVM_VCORE, kvm_vcore);
 546         HSTATE_FIELD(HSTATE_XICS_PHYS, xics_phys);
 547         HSTATE_FIELD(HSTATE_MMCR, host_mmcr);
 548         HSTATE_FIELD(HSTATE_PMC, host_pmc);
 549         HSTATE_FIELD(HSTATE_PURR, host_purr);
 550         HSTATE_FIELD(HSTATE_SPURR, host_spurr);
 551         HSTATE_FIELD(HSTATE_DSCR, host_dscr);
 552         HSTATE_FIELD(HSTATE_DABR, dabr);
 553         HSTATE_FIELD(HSTATE_DECEXP, dec_expires);
 554         DEFINE(IPI_PRIORITY, IPI_PRIORITY);
 555 #endif /* CONFIG_KVM_BOOK3S_64_HV */
 556
 557 #else /* CONFIG_PPC_BOOK3S */
 558         DEFINE(VCPU_CR, offsetof(struct kvm_vcpu, arch.cr));
 559         DEFINE(VCPU_XER, offsetof(struct kvm_vcpu, arch.xer));
 560         DEFINE(VCPU_LR, offsetof(struct kvm_vcpu, arch.lr));
 561         DEFINE(VCPU_CTR, offsetof(struct kvm_vcpu, arch.ctr));
 562         DEFINE(VCPU_PC, offsetof(struct kvm_vcpu, arch.pc));
 563         DEFINE(VCPU_LAST_INST, offsetof(struct kvm_vcpu, arch.last_inst));
 564         DEFINE(VCPU_FAULT_DEAR, offsetof(struct kvm_vcpu, arch.fault_dear));
 565         DEFINE(VCPU_FAULT_ESR, offsetof(struct kvm_vcpu, arch.fault_esr));
 566 #endif /* CONFIG_PPC_BOOK3S */
 567 #endif /* CONFIG_KVM */
 568
 569 #ifdef CONFIG_KVM_GUEST
 570         DEFINE(KVM_MAGIC_SCRATCH1, offsetof(struct kvm_vcpu_arch_shared,
 571                                             scratch1));
 572         DEFINE(KVM_MAGIC_SCRATCH2, offsetof(struct kvm_vcpu_arch_shared,
 573                                             scratch2));
 574         DEFINE(KVM_MAGIC_SCRATCH3, offsetof(struct kvm_vcpu_arch_shared,
 575                                             scratch3));
 576         DEFINE(KVM_MAGIC_INT, offsetof(struct kvm_vcpu_arch_shared,
 577                                        int_pending));
 578         DEFINE(KVM_MAGIC_MSR, offsetof(struct kvm_vcpu_arch_shared, msr));
 579         DEFINE(KVM_MAGIC_CRITICAL, offsetof(struct kvm_vcpu_arch_shared,
 580                                             critical));
 581         DEFINE(KVM_MAGIC_SR, offsetof(struct kvm_vcpu_arch_shared, sr));
 582 #endif
 583
 584 #ifdef CONFIG_44x
 585         DEFINE(PGD_T_LOG2, PGD_T_LOG2);
 586         DEFINE(PTE_T_LOG2, PTE_T_LOG2);
 587 #endif
 588 #ifdef CONFIG_PPC_FSL_BOOK3E
 589         DEFINE(TLBCAM_SIZE, sizeof(struct tlbcam));
 590         DEFINE(TLBCAM_MAS0, offsetof(struct tlbcam, MAS0));
 591         DEFINE(TLBCAM_MAS1, offsetof(struct tlbcam, MAS1));
 592         DEFINE(TLBCAM_MAS2, offsetof(struct tlbcam, MAS2));
 593         DEFINE(TLBCAM_MAS3, offsetof(struct tlbcam, MAS3));
 594         DEFINE(TLBCAM_MAS7, offsetof(struct tlbcam, MAS7));
 595 #endif
 596
 597 #if defined(CONFIG_KVM) && defined(CONFIG_SPE)
 598         DEFINE(VCPU_EVR, offsetof(struct kvm_vcpu, arch.evr[0]));
 599         DEFINE(VCPU_ACC, offsetof(struct kvm_vcpu, arch.acc));
 600         DEFINE(VCPU_SPEFSCR, offsetof(struct kvm_vcpu, arch.spefscr));
 601         DEFINE(VCPU_HOST_SPEFSCR, offsetof(struct kvm_vcpu, arch.host_spefscr));
 602 #endif
 603
 604 #ifdef CONFIG_KVM_BOOKE_HV
 605         DEFINE(VCPU_HOST_MAS4, offsetof(struct kvm_vcpu, arch.host_mas4));
 606         DEFINE(VCPU_HOST_MAS6, offsetof(struct kvm_vcpu, arch.host_mas6));
 607         DEFINE(VCPU_EPLC, offsetof(struct kvm_vcpu, arch.eplc));
 608 #endif
 609
 610 #ifdef CONFIG_KVM_EXIT_TIMING
 611         DEFINE(VCPU_TIMING_EXIT_TBU, offsetof(struct kvm_vcpu,
 612                                                 arch.timing_exit.tv32.tbu));
 613         DEFINE(VCPU_TIMING_EXIT_TBL, offsetof(struct kvm_vcpu,
 614                                                 arch.timing_exit.tv32.tbl));
 615         DEFINE(VCPU_TIMING_LAST_ENTER_TBU, offsetof(struct kvm_vcpu,
 616                                         arch.timing_last_enter.tv32.tbu));
 617         DEFINE(VCPU_TIMING_LAST_ENTER_TBL, offsetof(struct kvm_vcpu,
 618                                         arch.timing_last_enter.tv32.tbl));
 619 #endif
 620
 621 #ifdef CONFIG_PPC_POWERNV
 622         DEFINE(OPAL_MC_GPR3, offsetof(struct opal_machine_check_event, gpr3));
 623         DEFINE(OPAL_MC_SRR0, offsetof(struct opal_machine_check_event, srr0));
 624         DEFINE(OPAL_MC_SRR1, offsetof(struct opal_machine_check_event, srr1));
 625         DEFINE(PACA_OPAL_MC_EVT, offsetof(struct paca_struct, opal_mc_evt));
 626 #endif
 627
 628         return 0;
 629 }