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_ISERIES
  50 #include <asm/iseries/alpaca.h>
  51 #endif
  52 #ifdef CONFIG_PPC_POWERNV
  53 #include <asm/opal.h>
  54 #endif
  55 #if defined(CONFIG_KVM) || defined(CONFIG_KVM_GUEST)
  56 #include <linux/kvm_host.h>
  57 #endif
  58 #if defined(CONFIG_KVM) && defined(CONFIG_PPC_BOOK3S)
  59 #include <asm/kvm_book3s.h>
  60 #endif
  61
  62 #ifdef CONFIG_PPC32
  63 #if defined(CONFIG_BOOKE) || defined(CONFIG_40x)
  64 #include "head_booke.h"
  65 #endif
  66 #endif
  67
  68 #if defined(CONFIG_PPC_FSL_BOOK3E)
  69 #include "../mm/mmu_decl.h"
  70 #endif
  71
  72 int main(void)
  73 {
  74         DEFINE(THREAD, offsetof(struct task_struct, thread));
  75         DEFINE(MM, offsetof(struct task_struct, mm));
  76         DEFINE(MMCONTEXTID, offsetof(struct mm_struct, context.id));
  77 #ifdef CONFIG_PPC64
  78         DEFINE(AUDITCONTEXT, offsetof(struct task_struct, audit_context));
  79         DEFINE(SIGSEGV, SIGSEGV);
  80         DEFINE(NMI_MASK, NMI_MASK);
  81         DEFINE(THREAD_DSCR, offsetof(struct thread_struct, dscr));
  82 #else
  83         DEFINE(THREAD_INFO, offsetof(struct task_struct, stack));
  84 #endif /* CONFIG_PPC64 */
  85
  86         DEFINE(KSP, offsetof(struct thread_struct, ksp));
  87         DEFINE(KSP_LIMIT, offsetof(struct thread_struct, ksp_limit));
  88         DEFINE(PT_REGS, offsetof(struct thread_struct, regs));
  89 #ifdef CONFIG_BOOKE
  90         DEFINE(THREAD_NORMSAVES, offsetof(struct thread_struct, normsave[0]));
  91 #endif
  92         DEFINE(THREAD_FPEXC_MODE, offsetof(struct thread_struct, fpexc_mode));
  93         DEFINE(THREAD_FPR0, offsetof(struct thread_struct, fpr[0]));
  94         DEFINE(THREAD_FPSCR, offsetof(struct thread_struct, fpscr));
  95 #ifdef CONFIG_ALTIVEC
  96         DEFINE(THREAD_VR0, offsetof(struct thread_struct, vr[0]));
  97         DEFINE(THREAD_VRSAVE, offsetof(struct thread_struct, vrsave));
  98         DEFINE(THREAD_VSCR, offsetof(struct thread_struct, vscr));
  99         DEFINE(THREAD_USED_VR, offsetof(struct thread_struct, used_vr));
 100 #endif /* CONFIG_ALTIVEC */
 101 #ifdef CONFIG_VSX
 102         DEFINE(THREAD_VSR0, offsetof(struct thread_struct, fpr));
 103         DEFINE(THREAD_USED_VSR, offsetof(struct thread_struct, used_vsr));
 104 #endif /* CONFIG_VSX */
 105 #ifdef CONFIG_PPC64
 106         DEFINE(KSP_VSID, offsetof(struct thread_struct, ksp_vsid));
 107 #else /* CONFIG_PPC64 */
 108         DEFINE(PGDIR, offsetof(struct thread_struct, pgdir));
 109 #if defined(CONFIG_4xx) || defined(CONFIG_BOOKE)
 110         DEFINE(THREAD_DBCR0, offsetof(struct thread_struct, dbcr0));
 111 #endif
 112 #ifdef CONFIG_SPE
 113         DEFINE(THREAD_EVR0, offsetof(struct thread_struct, evr[0]));
 114         DEFINE(THREAD_ACC, offsetof(struct thread_struct, acc));
 115         DEFINE(THREAD_SPEFSCR, offsetof(struct thread_struct, spefscr));
 116         DEFINE(THREAD_USED_SPE, offsetof(struct thread_struct, used_spe));
 117 #endif /* CONFIG_SPE */
 118 #endif /* CONFIG_PPC64 */
 119 #ifdef CONFIG_KVM_BOOK3S_32_HANDLER
 120         DEFINE(THREAD_KVM_SVCPU, offsetof(struct thread_struct, kvm_shadow_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(PACAHARDIRQEN, offsetof(struct paca_struct, hard_enabled));
 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(LPPACASRR0, offsetof(struct lppaca, saved_srr0));
 195         DEFINE(LPPACASRR1, offsetof(struct lppaca, saved_srr1));
 196         DEFINE(LPPACAANYINT, offsetof(struct lppaca, int_dword.any_int));
 197         DEFINE(LPPACADECRINT, offsetof(struct lppaca, int_dword.fields.decr_int));
 198         DEFINE(LPPACA_PMCINUSE, offsetof(struct lppaca, pmcregs_in_use));
 199         DEFINE(LPPACA_DTLIDX, offsetof(struct lppaca, dtl_idx));
 200         DEFINE(LPPACA_YIELDCOUNT, offsetof(struct lppaca, yield_count));
 201         DEFINE(PACA_DTL_RIDX, offsetof(struct paca_struct, dtl_ridx));
 202 #endif /* CONFIG_PPC_STD_MMU_64 */
 203         DEFINE(PACAEMERGSP, offsetof(struct paca_struct, emergency_sp));
 204         DEFINE(PACAHWCPUID, offsetof(struct paca_struct, hw_cpu_id));
 205         DEFINE(PACAKEXECSTATE, offsetof(struct paca_struct, kexec_state));
 206         DEFINE(PACA_STARTTIME, offsetof(struct paca_struct, starttime));
 207         DEFINE(PACA_STARTTIME_USER, offsetof(struct paca_struct, starttime_user));
 208         DEFINE(PACA_USER_TIME, offsetof(struct paca_struct, user_time));
 209         DEFINE(PACA_SYSTEM_TIME, offsetof(struct paca_struct, system_time));
 210         DEFINE(PACA_TRAP_SAVE, offsetof(struct paca_struct, trap_save));
 211 #endif /* CONFIG_PPC64 */
 212
 213         /* RTAS */
 214         DEFINE(RTASBASE, offsetof(struct rtas_t, base));
 215         DEFINE(RTASENTRY, offsetof(struct rtas_t, entry));
 216
 217         /* Interrupt register frame */
 218         DEFINE(INT_FRAME_SIZE, STACK_INT_FRAME_SIZE);
 219         DEFINE(SWITCH_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs));
 220 #ifdef CONFIG_PPC64
 221         /* Create extra stack space for SRR0 and SRR1 when calling prom/rtas. */
 222         DEFINE(PROM_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs) + 16);
 223         DEFINE(RTAS_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs) + 16);
 224
 225         /* hcall statistics */
 226         DEFINE(HCALL_STAT_SIZE, sizeof(struct hcall_stats));
 227         DEFINE(HCALL_STAT_CALLS, offsetof(struct hcall_stats, num_calls));
 228         DEFINE(HCALL_STAT_TB, offsetof(struct hcall_stats, tb_total));
 229         DEFINE(HCALL_STAT_PURR, offsetof(struct hcall_stats, purr_total));
 230 #endif /* CONFIG_PPC64 */
 231         DEFINE(GPR0, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[0]));
 232         DEFINE(GPR1, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[1]));
 233         DEFINE(GPR2, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[2]));
 234         DEFINE(GPR3, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[3]));
 235         DEFINE(GPR4, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[4]));
 236         DEFINE(GPR5, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[5]));
 237         DEFINE(GPR6, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[6]));
 238         DEFINE(GPR7, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[7]));
 239         DEFINE(GPR8, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[8]));
 240         DEFINE(GPR9, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[9]));
 241         DEFINE(GPR10, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[10]));
 242         DEFINE(GPR11, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[11]));
 243         DEFINE(GPR12, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[12]));
 244         DEFINE(GPR13, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[13]));
 245 #ifndef CONFIG_PPC64
 246         DEFINE(GPR14, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[14]));
 247         DEFINE(GPR15, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[15]));
 248         DEFINE(GPR16, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[16]));
 249         DEFINE(GPR17, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[17]));
 250         DEFINE(GPR18, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[18]));
 251         DEFINE(GPR19, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[19]));
 252         DEFINE(GPR20, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[20]));
 253         DEFINE(GPR21, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[21]));
 254         DEFINE(GPR22, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[22]));
 255         DEFINE(GPR23, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[23]));
 256         DEFINE(GPR24, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[24]));
 257         DEFINE(GPR25, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[25]));
 258         DEFINE(GPR26, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[26]));
 259         DEFINE(GPR27, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[27]));
 260         DEFINE(GPR28, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[28]));
 261         DEFINE(GPR29, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[29]));
 262         DEFINE(GPR30, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[30]));
 263         DEFINE(GPR31, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[31]));
 264 #endif /* CONFIG_PPC64 */
 265         /*
 266          * Note: these symbols include _ because they overlap with special
 267          * register names
 268          */
 269         DEFINE(_NIP, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, nip));
 270         DEFINE(_MSR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, msr));
 271         DEFINE(_CTR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, ctr));
 272         DEFINE(_LINK, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, link));
 273         DEFINE(_CCR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, ccr));
 274         DEFINE(_XER, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, xer));
 275         DEFINE(_DAR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dar));
 276         DEFINE(_DSISR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dsisr));
 277         DEFINE(ORIG_GPR3, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, orig_gpr3));
 278         DEFINE(RESULT, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, result));
 279         DEFINE(_TRAP, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, trap));
 280 #ifndef CONFIG_PPC64
 281         DEFINE(_MQ, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, mq));
 282         /*
 283          * The PowerPC 400-class & Book-E processors have neither the DAR
 284          * nor the DSISR SPRs. Hence, we overload them to hold the similar
 285          * DEAR and ESR SPRs for such processors.  For critical interrupts
 286          * we use them to hold SRR0 and SRR1.
 287          */
 288         DEFINE(_DEAR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dar));
 289         DEFINE(_ESR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dsisr));
 290 #else /* CONFIG_PPC64 */
 291         DEFINE(SOFTE, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, softe));
 292
 293         /* These _only_ to be used with {PROM,RTAS}_FRAME_SIZE!!! */
 294         DEFINE(_SRR0, STACK_FRAME_OVERHEAD+sizeof(struct pt_regs));
 295         DEFINE(_SRR1, STACK_FRAME_OVERHEAD+sizeof(struct pt_regs)+8);
 296 #endif /* CONFIG_PPC64 */
 297
 298 #if defined(CONFIG_PPC32)
 299 #if defined(CONFIG_BOOKE) || defined(CONFIG_40x)
 300         DEFINE(EXC_LVL_SIZE, STACK_EXC_LVL_FRAME_SIZE);
 301         DEFINE(MAS0, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, mas0));
 302         /* we overload MMUCR for 44x on MAS0 since they are mutually exclusive */
 303         DEFINE(MMUCR, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, mas0));
 304         DEFINE(MAS1, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, mas1));
 305         DEFINE(MAS2, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, mas2));
 306         DEFINE(MAS3, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, mas3));
 307         DEFINE(MAS6, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, mas6));
 308         DEFINE(MAS7, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, mas7));
 309         DEFINE(_SRR0, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, srr0));
 310         DEFINE(_SRR1, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, srr1));
 311         DEFINE(_CSRR0, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, csrr0));
 312         DEFINE(_CSRR1, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, csrr1));
 313         DEFINE(_DSRR0, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, dsrr0));
 314         DEFINE(_DSRR1, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, dsrr1));
 315         DEFINE(SAVED_KSP_LIMIT, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, saved_ksp_limit));
 316 #endif
 317 #endif
 318         DEFINE(CLONE_VM, CLONE_VM);
 319         DEFINE(CLONE_UNTRACED, CLONE_UNTRACED);
 320
 321 #ifndef CONFIG_PPC64
 322         DEFINE(MM_PGD, offsetof(struct mm_struct, pgd));
 323 #endif /* ! CONFIG_PPC64 */
 324
 325         /* About the CPU features table */
 326         DEFINE(CPU_SPEC_FEATURES, offsetof(struct cpu_spec, cpu_features));
 327         DEFINE(CPU_SPEC_SETUP, offsetof(struct cpu_spec, cpu_setup));
 328         DEFINE(CPU_SPEC_RESTORE, offsetof(struct cpu_spec, cpu_restore));
 329
 330         DEFINE(pbe_address, offsetof(struct pbe, address));
 331         DEFINE(pbe_orig_address, offsetof(struct pbe, orig_address));
 332         DEFINE(pbe_next, offsetof(struct pbe, next));
 333
 334 #ifndef CONFIG_PPC64
 335         DEFINE(TASK_SIZE, TASK_SIZE);
 336         DEFINE(NUM_USER_SEGMENTS, TASK_SIZE>>28);
 337 #endif /* ! CONFIG_PPC64 */
 338
 339         /* datapage offsets for use by vdso */
 340         DEFINE(CFG_TB_ORIG_STAMP, offsetof(struct vdso_data, tb_orig_stamp));
 341         DEFINE(CFG_TB_TICKS_PER_SEC, offsetof(struct vdso_data, tb_ticks_per_sec));
 342         DEFINE(CFG_TB_TO_XS, offsetof(struct vdso_data, tb_to_xs));
 343         DEFINE(CFG_STAMP_XSEC, offsetof(struct vdso_data, stamp_xsec));
 344         DEFINE(CFG_TB_UPDATE_COUNT, offsetof(struct vdso_data, tb_update_count));
 345         DEFINE(CFG_TZ_MINUTEWEST, offsetof(struct vdso_data, tz_minuteswest));
 346         DEFINE(CFG_TZ_DSTTIME, offsetof(struct vdso_data, tz_dsttime));
 347         DEFINE(CFG_SYSCALL_MAP32, offsetof(struct vdso_data, syscall_map_32));
 348         DEFINE(WTOM_CLOCK_SEC, offsetof(struct vdso_data, wtom_clock_sec));
 349         DEFINE(WTOM_CLOCK_NSEC, offsetof(struct vdso_data, wtom_clock_nsec));
 350         DEFINE(STAMP_XTIME, offsetof(struct vdso_data, stamp_xtime));
 351         DEFINE(STAMP_SEC_FRAC, offsetof(struct vdso_data, stamp_sec_fraction));
 352         DEFINE(CFG_ICACHE_BLOCKSZ, offsetof(struct vdso_data, icache_block_size));
 353         DEFINE(CFG_DCACHE_BLOCKSZ, offsetof(struct vdso_data, dcache_block_size));
 354         DEFINE(CFG_ICACHE_LOGBLOCKSZ, offsetof(struct vdso_data, icache_log_block_size));
 355         DEFINE(CFG_DCACHE_LOGBLOCKSZ, offsetof(struct vdso_data, dcache_log_block_size));
 356 #ifdef CONFIG_PPC64
 357         DEFINE(CFG_SYSCALL_MAP64, offsetof(struct vdso_data, syscall_map_64));
 358         DEFINE(TVAL64_TV_SEC, offsetof(struct timeval, tv_sec));
 359         DEFINE(TVAL64_TV_USEC, offsetof(struct timeval, tv_usec));
 360         DEFINE(TVAL32_TV_SEC, offsetof(struct compat_timeval, tv_sec));
 361         DEFINE(TVAL32_TV_USEC, offsetof(struct compat_timeval, tv_usec));
 362         DEFINE(TSPC64_TV_SEC, offsetof(struct timespec, tv_sec));
 363         DEFINE(TSPC64_TV_NSEC, offsetof(struct timespec, tv_nsec));
 364         DEFINE(TSPC32_TV_SEC, offsetof(struct compat_timespec, tv_sec));
 365         DEFINE(TSPC32_TV_NSEC, offsetof(struct compat_timespec, tv_nsec));
 366 #else
 367         DEFINE(TVAL32_TV_SEC, offsetof(struct timeval, tv_sec));
 368         DEFINE(TVAL32_TV_USEC, offsetof(struct timeval, tv_usec));
 369         DEFINE(TSPC32_TV_SEC, offsetof(struct timespec, tv_sec));
 370         DEFINE(TSPC32_TV_NSEC, offsetof(struct timespec, tv_nsec));
 371 #endif
 372         /* timeval/timezone offsets for use by vdso */
 373         DEFINE(TZONE_TZ_MINWEST, offsetof(struct timezone, tz_minuteswest));
 374         DEFINE(TZONE_TZ_DSTTIME, offsetof(struct timezone, tz_dsttime));
 375
 376         /* Other bits used by the vdso */
 377         DEFINE(CLOCK_REALTIME, CLOCK_REALTIME);
 378         DEFINE(CLOCK_MONOTONIC, CLOCK_MONOTONIC);
 379         DEFINE(NSEC_PER_SEC, NSEC_PER_SEC);
 380         DEFINE(CLOCK_REALTIME_RES, MONOTONIC_RES_NSEC);
 381
 382 #ifdef CONFIG_BUG
 383         DEFINE(BUG_ENTRY_SIZE, sizeof(struct bug_entry));
 384 #endif
 385
 386 #ifdef CONFIG_PPC_ISERIES
 387         /* the assembler miscalculates the VSID values */
 388         DEFINE(PAGE_OFFSET_ESID, GET_ESID(PAGE_OFFSET));
 389         DEFINE(PAGE_OFFSET_VSID, KERNEL_VSID(PAGE_OFFSET));
 390         DEFINE(VMALLOC_START_ESID, GET_ESID(VMALLOC_START));
 391         DEFINE(VMALLOC_START_VSID, KERNEL_VSID(VMALLOC_START));
 392
 393         /* alpaca */
 394         DEFINE(ALPACA_SIZE, sizeof(struct alpaca));
 395 #endif
 396
 397         DEFINE(PGD_TABLE_SIZE, PGD_TABLE_SIZE);
 398         DEFINE(PTE_SIZE, sizeof(pte_t));
 399
 400 #ifdef CONFIG_KVM
 401         DEFINE(VCPU_HOST_STACK, offsetof(struct kvm_vcpu, arch.host_stack));
 402         DEFINE(VCPU_HOST_PID, offsetof(struct kvm_vcpu, arch.host_pid));
 403         DEFINE(VCPU_GPRS, offsetof(struct kvm_vcpu, arch.gpr));
 404         DEFINE(VCPU_VRSAVE, offsetof(struct kvm_vcpu, arch.vrsave));
 405         DEFINE(VCPU_FPRS, offsetof(struct kvm_vcpu, arch.fpr));
 406         DEFINE(VCPU_FPSCR, offsetof(struct kvm_vcpu, arch.fpscr));
 407 #ifdef CONFIG_ALTIVEC
 408         DEFINE(VCPU_VRS, offsetof(struct kvm_vcpu, arch.vr));
 409         DEFINE(VCPU_VSCR, offsetof(struct kvm_vcpu, arch.vscr));
 410 #endif
 411 #ifdef CONFIG_VSX
 412         DEFINE(VCPU_VSRS, offsetof(struct kvm_vcpu, arch.vsr));
 413 #endif
 414         DEFINE(VCPU_XER, offsetof(struct kvm_vcpu, arch.xer));
 415         DEFINE(VCPU_CTR, offsetof(struct kvm_vcpu, arch.ctr));
 416         DEFINE(VCPU_LR, offsetof(struct kvm_vcpu, arch.lr));
 417         DEFINE(VCPU_CR, offsetof(struct kvm_vcpu, arch.cr));
 418         DEFINE(VCPU_PC, offsetof(struct kvm_vcpu, arch.pc));
 419 #ifdef CONFIG_KVM_BOOK3S_64_HV
 420         DEFINE(VCPU_MSR, offsetof(struct kvm_vcpu, arch.shregs.msr));
 421         DEFINE(VCPU_SRR0, offsetof(struct kvm_vcpu, arch.shregs.srr0));
 422         DEFINE(VCPU_SRR1, offsetof(struct kvm_vcpu, arch.shregs.srr1));
 423         DEFINE(VCPU_SPRG0, offsetof(struct kvm_vcpu, arch.shregs.sprg0));
 424         DEFINE(VCPU_SPRG1, offsetof(struct kvm_vcpu, arch.shregs.sprg1));
 425         DEFINE(VCPU_SPRG2, offsetof(struct kvm_vcpu, arch.shregs.sprg2));
 426         DEFINE(VCPU_SPRG3, offsetof(struct kvm_vcpu, arch.shregs.sprg3));
 427 #endif
 428         DEFINE(VCPU_SPRG4, offsetof(struct kvm_vcpu, arch.sprg4));
 429         DEFINE(VCPU_SPRG5, offsetof(struct kvm_vcpu, arch.sprg5));
 430         DEFINE(VCPU_SPRG6, offsetof(struct kvm_vcpu, arch.sprg6));
 431         DEFINE(VCPU_SPRG7, offsetof(struct kvm_vcpu, arch.sprg7));
 432         DEFINE(VCPU_SHADOW_PID, offsetof(struct kvm_vcpu, arch.shadow_pid));
 433         DEFINE(VCPU_SHADOW_PID1, offsetof(struct kvm_vcpu, arch.shadow_pid1));
 434         DEFINE(VCPU_SHARED, offsetof(struct kvm_vcpu, arch.shared));
 435         DEFINE(VCPU_SHARED_MSR, offsetof(struct kvm_vcpu_arch_shared, msr));
 436         DEFINE(VCPU_SHADOW_MSR, offsetof(struct kvm_vcpu, arch.shadow_msr));
 437
 438         /* book3s */
 439 #ifdef CONFIG_KVM_BOOK3S_64_HV
 440         DEFINE(KVM_LPID, offsetof(struct kvm, arch.lpid));
 441         DEFINE(KVM_SDR1, offsetof(struct kvm, arch.sdr1));
 442         DEFINE(KVM_HOST_LPID, offsetof(struct kvm, arch.host_lpid));
 443         DEFINE(KVM_HOST_LPCR, offsetof(struct kvm, arch.host_lpcr));
 444         DEFINE(KVM_HOST_SDR1, offsetof(struct kvm, arch.host_sdr1));
 445         DEFINE(KVM_TLBIE_LOCK, offsetof(struct kvm, arch.tlbie_lock));
 446         DEFINE(KVM_ONLINE_CPUS, offsetof(struct kvm, online_vcpus.counter));
 447         DEFINE(KVM_LAST_VCPU, offsetof(struct kvm, arch.last_vcpu));
 448         DEFINE(KVM_LPCR, offsetof(struct kvm, arch.lpcr));
 449         DEFINE(KVM_RMOR, offsetof(struct kvm, arch.rmor));
 450         DEFINE(VCPU_DSISR, offsetof(struct kvm_vcpu, arch.shregs.dsisr));
 451         DEFINE(VCPU_DAR, offsetof(struct kvm_vcpu, arch.shregs.dar));
 452 #endif
 453 #ifdef CONFIG_PPC_BOOK3S
 454         DEFINE(VCPU_KVM, offsetof(struct kvm_vcpu, kvm));
 455         DEFINE(VCPU_VCPUID, offsetof(struct kvm_vcpu, vcpu_id));
 456         DEFINE(VCPU_PURR, offsetof(struct kvm_vcpu, arch.purr));
 457         DEFINE(VCPU_SPURR, offsetof(struct kvm_vcpu, arch.spurr));
 458         DEFINE(VCPU_DSCR, offsetof(struct kvm_vcpu, arch.dscr));
 459         DEFINE(VCPU_AMR, offsetof(struct kvm_vcpu, arch.amr));
 460         DEFINE(VCPU_UAMOR, offsetof(struct kvm_vcpu, arch.uamor));
 461         DEFINE(VCPU_CTRL, offsetof(struct kvm_vcpu, arch.ctrl));
 462         DEFINE(VCPU_DABR, offsetof(struct kvm_vcpu, arch.dabr));
 463         DEFINE(VCPU_HFLAGS, offsetof(struct kvm_vcpu, arch.hflags));
 464         DEFINE(VCPU_DEC, offsetof(struct kvm_vcpu, arch.dec));
 465         DEFINE(VCPU_DEC_EXPIRES, offsetof(struct kvm_vcpu, arch.dec_expires));
 466         DEFINE(VCPU_PENDING_EXC, offsetof(struct kvm_vcpu, arch.pending_exceptions));
 467         DEFINE(VCPU_CEDED, offsetof(struct kvm_vcpu, arch.ceded));
 468         DEFINE(VCPU_PRODDED, offsetof(struct kvm_vcpu, arch.prodded));
 469         DEFINE(VCPU_VPA, offsetof(struct kvm_vcpu, arch.vpa));
 470         DEFINE(VCPU_MMCR, offsetof(struct kvm_vcpu, arch.mmcr));
 471         DEFINE(VCPU_PMC, offsetof(struct kvm_vcpu, arch.pmc));
 472         DEFINE(VCPU_SLB, offsetof(struct kvm_vcpu, arch.slb));
 473         DEFINE(VCPU_SLB_MAX, offsetof(struct kvm_vcpu, arch.slb_max));
 474         DEFINE(VCPU_SLB_NR, offsetof(struct kvm_vcpu, arch.slb_nr));
 475         DEFINE(VCPU_LAST_CPU, offsetof(struct kvm_vcpu, arch.last_cpu));
 476         DEFINE(VCPU_FAULT_DSISR, offsetof(struct kvm_vcpu, arch.fault_dsisr));
 477         DEFINE(VCPU_FAULT_DAR, offsetof(struct kvm_vcpu, arch.fault_dar));
 478         DEFINE(VCPU_LAST_INST, offsetof(struct kvm_vcpu, arch.last_inst));
 479         DEFINE(VCPU_TRAP, offsetof(struct kvm_vcpu, arch.trap));
 480         DEFINE(VCPU_PTID, offsetof(struct kvm_vcpu, arch.ptid));
 481         DEFINE(VCORE_ENTRY_EXIT, offsetof(struct kvmppc_vcore, entry_exit_count));
 482         DEFINE(VCORE_NAP_COUNT, offsetof(struct kvmppc_vcore, nap_count));
 483         DEFINE(VCORE_IN_GUEST, offsetof(struct kvmppc_vcore, in_guest));
 484         DEFINE(VCORE_NAPPING_THREADS, offsetof(struct kvmppc_vcore, napping_threads));
 485         DEFINE(VCPU_SVCPU, offsetof(struct kvmppc_vcpu_book3s, shadow_vcpu) -
 486                            offsetof(struct kvmppc_vcpu_book3s, vcpu));
 487         DEFINE(VCPU_SLB_E, offsetof(struct kvmppc_slb, orige));
 488         DEFINE(VCPU_SLB_V, offsetof(struct kvmppc_slb, origv));
 489         DEFINE(VCPU_SLB_SIZE, sizeof(struct kvmppc_slb));
 490
 491 #ifdef CONFIG_PPC_BOOK3S_64
 492 #ifdef CONFIG_KVM_BOOK3S_PR
 493 # define SVCPU_FIELD(x, f)      DEFINE(x, offsetof(struct paca_struct, shadow_vcpu.f))
 494 #else
 495 # define SVCPU_FIELD(x, f)
 496 #endif
 497 # define HSTATE_FIELD(x, f)     DEFINE(x, offsetof(struct paca_struct, kvm_hstate.f))
 498 #else   /* 32-bit */
 499 # define SVCPU_FIELD(x, f)      DEFINE(x, offsetof(struct kvmppc_book3s_shadow_vcpu, f))
 500 # define HSTATE_FIELD(x, f)     DEFINE(x, offsetof(struct kvmppc_book3s_shadow_vcpu, hstate.f))
 501 #endif
 502
 503         SVCPU_FIELD(SVCPU_CR, cr);
 504         SVCPU_FIELD(SVCPU_XER, xer);
 505         SVCPU_FIELD(SVCPU_CTR, ctr);
 506         SVCPU_FIELD(SVCPU_LR, lr);
 507         SVCPU_FIELD(SVCPU_PC, pc);
 508         SVCPU_FIELD(SVCPU_R0, gpr[0]);
 509         SVCPU_FIELD(SVCPU_R1, gpr[1]);
 510         SVCPU_FIELD(SVCPU_R2, gpr[2]);
 511         SVCPU_FIELD(SVCPU_R3, gpr[3]);
 512         SVCPU_FIELD(SVCPU_R4, gpr[4]);
 513         SVCPU_FIELD(SVCPU_R5, gpr[5]);
 514         SVCPU_FIELD(SVCPU_R6, gpr[6]);
 515         SVCPU_FIELD(SVCPU_R7, gpr[7]);
 516         SVCPU_FIELD(SVCPU_R8, gpr[8]);
 517         SVCPU_FIELD(SVCPU_R9, gpr[9]);
 518         SVCPU_FIELD(SVCPU_R10, gpr[10]);
 519         SVCPU_FIELD(SVCPU_R11, gpr[11]);
 520         SVCPU_FIELD(SVCPU_R12, gpr[12]);
 521         SVCPU_FIELD(SVCPU_R13, gpr[13]);
 522         SVCPU_FIELD(SVCPU_FAULT_DSISR, fault_dsisr);
 523         SVCPU_FIELD(SVCPU_FAULT_DAR, fault_dar);
 524         SVCPU_FIELD(SVCPU_LAST_INST, last_inst);
 525         SVCPU_FIELD(SVCPU_SHADOW_SRR1, shadow_srr1);
 526 #ifdef CONFIG_PPC_BOOK3S_32
 527         SVCPU_FIELD(SVCPU_SR, sr);
 528 #endif
 529 #ifdef CONFIG_PPC64
 530         SVCPU_FIELD(SVCPU_SLB, slb);
 531         SVCPU_FIELD(SVCPU_SLB_MAX, slb_max);
 532 #endif
 533
 534         HSTATE_FIELD(HSTATE_HOST_R1, host_r1);
 535         HSTATE_FIELD(HSTATE_HOST_R2, host_r2);
 536         HSTATE_FIELD(HSTATE_HOST_MSR, host_msr);
 537         HSTATE_FIELD(HSTATE_VMHANDLER, vmhandler);
 538         HSTATE_FIELD(HSTATE_SCRATCH0, scratch0);
 539         HSTATE_FIELD(HSTATE_SCRATCH1, scratch1);
 540         HSTATE_FIELD(HSTATE_IN_GUEST, in_guest);
 541         HSTATE_FIELD(HSTATE_RESTORE_HID5, restore_hid5);
 542         HSTATE_FIELD(HSTATE_NAPPING, napping);
 543
 544 #ifdef CONFIG_KVM_BOOK3S_64_HV
 545         HSTATE_FIELD(HSTATE_KVM_VCPU, kvm_vcpu);
 546         HSTATE_FIELD(HSTATE_KVM_VCORE, kvm_vcore);
 547         HSTATE_FIELD(HSTATE_XICS_PHYS, xics_phys);
 548         HSTATE_FIELD(HSTATE_MMCR, host_mmcr);
 549         HSTATE_FIELD(HSTATE_PMC, host_pmc);
 550         HSTATE_FIELD(HSTATE_PURR, host_purr);
 551         HSTATE_FIELD(HSTATE_SPURR, host_spurr);
 552         HSTATE_FIELD(HSTATE_DSCR, host_dscr);
 553         HSTATE_FIELD(HSTATE_DABR, dabr);
 554         HSTATE_FIELD(HSTATE_DECEXP, dec_expires);
 555         DEFINE(IPI_PRIORITY, IPI_PRIORITY);
 556 #endif /* CONFIG_KVM_BOOK3S_64_HV */
 557
 558 #else /* CONFIG_PPC_BOOK3S */
 559         DEFINE(VCPU_CR, offsetof(struct kvm_vcpu, arch.cr));
 560         DEFINE(VCPU_XER, offsetof(struct kvm_vcpu, arch.xer));
 561         DEFINE(VCPU_LR, offsetof(struct kvm_vcpu, arch.lr));
 562         DEFINE(VCPU_CTR, offsetof(struct kvm_vcpu, arch.ctr));
 563         DEFINE(VCPU_PC, offsetof(struct kvm_vcpu, arch.pc));
 564         DEFINE(VCPU_LAST_INST, offsetof(struct kvm_vcpu, arch.last_inst));
 565         DEFINE(VCPU_FAULT_DEAR, offsetof(struct kvm_vcpu, arch.fault_dear));
 566         DEFINE(VCPU_FAULT_ESR, offsetof(struct kvm_vcpu, arch.fault_esr));
 567 #endif /* CONFIG_PPC_BOOK3S */
 568 #endif /* CONFIG_KVM */
 569
 570 #ifdef CONFIG_KVM_GUEST
 571         DEFINE(KVM_MAGIC_SCRATCH1, offsetof(struct kvm_vcpu_arch_shared,
 572                                             scratch1));
 573         DEFINE(KVM_MAGIC_SCRATCH2, offsetof(struct kvm_vcpu_arch_shared,
 574                                             scratch2));
 575         DEFINE(KVM_MAGIC_SCRATCH3, offsetof(struct kvm_vcpu_arch_shared,
 576                                             scratch3));
 577         DEFINE(KVM_MAGIC_INT, offsetof(struct kvm_vcpu_arch_shared,
 578                                        int_pending));
 579         DEFINE(KVM_MAGIC_MSR, offsetof(struct kvm_vcpu_arch_shared, msr));
 580         DEFINE(KVM_MAGIC_CRITICAL, offsetof(struct kvm_vcpu_arch_shared,
 581                                             critical));
 582         DEFINE(KVM_MAGIC_SR, offsetof(struct kvm_vcpu_arch_shared, sr));
 583 #endif
 584
 585 #ifdef CONFIG_44x
 586         DEFINE(PGD_T_LOG2, PGD_T_LOG2);
 587         DEFINE(PTE_T_LOG2, PTE_T_LOG2);
 588 #endif
 589 #ifdef CONFIG_PPC_FSL_BOOK3E
 590         DEFINE(TLBCAM_SIZE, sizeof(struct tlbcam));
 591         DEFINE(TLBCAM_MAS0, offsetof(struct tlbcam, MAS0));
 592         DEFINE(TLBCAM_MAS1, offsetof(struct tlbcam, MAS1));
 593         DEFINE(TLBCAM_MAS2, offsetof(struct tlbcam, MAS2));
 594         DEFINE(TLBCAM_MAS3, offsetof(struct tlbcam, MAS3));
 595         DEFINE(TLBCAM_MAS7, offsetof(struct tlbcam, MAS7));
 596 #endif
 597
 598 #if defined(CONFIG_KVM) && defined(CONFIG_SPE)
 599         DEFINE(VCPU_EVR, offsetof(struct kvm_vcpu, arch.evr[0]));
 600         DEFINE(VCPU_ACC, offsetof(struct kvm_vcpu, arch.acc));
 601         DEFINE(VCPU_SPEFSCR, offsetof(struct kvm_vcpu, arch.spefscr));
 602         DEFINE(VCPU_HOST_SPEFSCR, offsetof(struct kvm_vcpu, arch.host_spefscr));
 603 #endif
 604
 605 #ifdef CONFIG_KVM_EXIT_TIMING
 606         DEFINE(VCPU_TIMING_EXIT_TBU, offsetof(struct kvm_vcpu,
 607                                                 arch.timing_exit.tv32.tbu));
 608         DEFINE(VCPU_TIMING_EXIT_TBL, offsetof(struct kvm_vcpu,
 609                                                 arch.timing_exit.tv32.tbl));
 610         DEFINE(VCPU_TIMING_LAST_ENTER_TBU, offsetof(struct kvm_vcpu,
 611                                         arch.timing_last_enter.tv32.tbu));
 612         DEFINE(VCPU_TIMING_LAST_ENTER_TBL, offsetof(struct kvm_vcpu,
 613                                         arch.timing_last_enter.tv32.tbl));
 614 #endif
 615
 616 #ifdef CONFIG_PPC_POWERNV
 617         DEFINE(OPAL_MC_GPR3, offsetof(struct opal_machine_check_event, gpr3));
 618         DEFINE(OPAL_MC_SRR0, offsetof(struct opal_machine_check_event, srr0));
 619         DEFINE(OPAL_MC_SRR1, offsetof(struct opal_machine_check_event, srr1));
 620         DEFINE(PACA_OPAL_MC_EVT, offsetof(struct paca_struct, opal_mc_evt));
 621 #endif
 622
 623         return 0;
 624 }