xref: /linux/arch/powerpc/kernel/asm-offsets.c (revision f2ee442115c9b6219083c019939a9cc0c9abb2f8)
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 }
625