2 * This program is used to generate definitions needed by
3 * assembly language modules.
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.
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.
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>
24 #include <linux/suspend.h>
26 #include <linux/time.h>
27 #include <linux/hardirq.h>
29 #include <linux/ptrace.h>
34 #include <asm/pgtable.h>
35 #include <asm/processor.h>
36 #include <asm/cputable.h>
37 #include <asm/thread_info.h>
39 #include <asm/vdso_datapage.h>
42 #include <asm/lppaca.h>
43 #include <asm/cache.h>
44 #include <asm/compat.h>
46 #include <asm/hvcall.h>
49 #define DEFINE(sym, val) \
50 asm volatile("\n->" #sym " %0 " #val : : "i" (val))
52 #define BLANK() asm volatile("\n->" : : )
56 DEFINE(THREAD, offsetof(struct task_struct, thread));
57 DEFINE(MM, offsetof(struct task_struct, mm));
59 DEFINE(AUDITCONTEXT, offsetof(struct task_struct, audit_context));
61 DEFINE(THREAD_INFO, offsetof(struct task_struct, stack));
62 DEFINE(PTRACE, offsetof(struct task_struct, ptrace));
63 #endif /* CONFIG_PPC64 */
65 DEFINE(KSP, offsetof(struct thread_struct, ksp));
66 DEFINE(PT_REGS, offsetof(struct thread_struct, regs));
67 DEFINE(THREAD_FPEXC_MODE, offsetof(struct thread_struct, fpexc_mode));
68 DEFINE(THREAD_FPR0, offsetof(struct thread_struct, fpr[0]));
69 DEFINE(THREAD_FPSCR, offsetof(struct thread_struct, fpscr));
71 DEFINE(THREAD_VR0, offsetof(struct thread_struct, vr[0]));
72 DEFINE(THREAD_VRSAVE, offsetof(struct thread_struct, vrsave));
73 DEFINE(THREAD_VSCR, offsetof(struct thread_struct, vscr));
74 DEFINE(THREAD_USED_VR, offsetof(struct thread_struct, used_vr));
75 #endif /* CONFIG_ALTIVEC */
77 DEFINE(KSP_VSID, offsetof(struct thread_struct, ksp_vsid));
78 #else /* CONFIG_PPC64 */
79 DEFINE(PGDIR, offsetof(struct thread_struct, pgdir));
80 #if defined(CONFIG_4xx) || defined(CONFIG_BOOKE)
81 DEFINE(THREAD_DBCR0, offsetof(struct thread_struct, dbcr0));
82 DEFINE(PT_PTRACED, PT_PTRACED);
85 DEFINE(THREAD_EVR0, offsetof(struct thread_struct, evr[0]));
86 DEFINE(THREAD_ACC, offsetof(struct thread_struct, acc));
87 DEFINE(THREAD_SPEFSCR, offsetof(struct thread_struct, spefscr));
88 DEFINE(THREAD_USED_SPE, offsetof(struct thread_struct, used_spe));
89 #endif /* CONFIG_SPE */
90 #endif /* CONFIG_PPC64 */
92 DEFINE(TI_FLAGS, offsetof(struct thread_info, flags));
93 DEFINE(TI_LOCAL_FLAGS, offsetof(struct thread_info, local_flags));
94 DEFINE(TI_PREEMPT, offsetof(struct thread_info, preempt_count));
95 DEFINE(TI_TASK, offsetof(struct thread_info, task));
97 DEFINE(TI_EXECDOMAIN, offsetof(struct thread_info, exec_domain));
98 DEFINE(TI_CPU, offsetof(struct thread_info, cpu));
99 #endif /* CONFIG_PPC32 */
102 DEFINE(DCACHEL1LINESIZE, offsetof(struct ppc64_caches, dline_size));
103 DEFINE(DCACHEL1LOGLINESIZE, offsetof(struct ppc64_caches, log_dline_size));
104 DEFINE(DCACHEL1LINESPERPAGE, offsetof(struct ppc64_caches, dlines_per_page));
105 DEFINE(ICACHEL1LINESIZE, offsetof(struct ppc64_caches, iline_size));
106 DEFINE(ICACHEL1LOGLINESIZE, offsetof(struct ppc64_caches, log_iline_size));
107 DEFINE(ICACHEL1LINESPERPAGE, offsetof(struct ppc64_caches, ilines_per_page));
109 DEFINE(PACA_SIZE, sizeof(struct paca_struct));
110 DEFINE(PACAPACAINDEX, offsetof(struct paca_struct, paca_index));
111 DEFINE(PACAPROCSTART, offsetof(struct paca_struct, cpu_start));
112 DEFINE(PACAKSAVE, offsetof(struct paca_struct, kstack));
113 DEFINE(PACACURRENT, offsetof(struct paca_struct, __current));
114 DEFINE(PACASAVEDMSR, offsetof(struct paca_struct, saved_msr));
115 DEFINE(PACASTABREAL, offsetof(struct paca_struct, stab_real));
116 DEFINE(PACASTABVIRT, offsetof(struct paca_struct, stab_addr));
117 DEFINE(PACASTABRR, offsetof(struct paca_struct, stab_rr));
118 DEFINE(PACAR1, offsetof(struct paca_struct, saved_r1));
119 DEFINE(PACATOC, offsetof(struct paca_struct, kernel_toc));
120 DEFINE(PACASOFTIRQEN, offsetof(struct paca_struct, soft_enabled));
121 DEFINE(PACAHARDIRQEN, offsetof(struct paca_struct, hard_enabled));
122 DEFINE(PACASLBCACHE, offsetof(struct paca_struct, slb_cache));
123 DEFINE(PACASLBCACHEPTR, offsetof(struct paca_struct, slb_cache_ptr));
124 DEFINE(PACACONTEXTID, offsetof(struct paca_struct, context.id));
125 DEFINE(PACAVMALLOCSLLP, offsetof(struct paca_struct, vmalloc_sllp));
126 #ifdef CONFIG_PPC_MM_SLICES
127 DEFINE(PACALOWSLICESPSIZE, offsetof(struct paca_struct,
128 context.low_slices_psize));
129 DEFINE(PACAHIGHSLICEPSIZE, offsetof(struct paca_struct,
130 context.high_slices_psize));
131 DEFINE(MMUPSIZEDEFSIZE, sizeof(struct mmu_psize_def));
132 DEFINE(MMUPSIZESLLP, offsetof(struct mmu_psize_def, sllp));
134 DEFINE(PACACONTEXTSLLP, offsetof(struct paca_struct, context.sllp));
136 #endif /* CONFIG_PPC_MM_SLICES */
137 DEFINE(PACA_EXGEN, offsetof(struct paca_struct, exgen));
138 DEFINE(PACA_EXMC, offsetof(struct paca_struct, exmc));
139 DEFINE(PACA_EXSLB, offsetof(struct paca_struct, exslb));
140 DEFINE(PACAEMERGSP, offsetof(struct paca_struct, emergency_sp));
141 DEFINE(PACALPPACAPTR, offsetof(struct paca_struct, lppaca_ptr));
142 DEFINE(PACAHWCPUID, offsetof(struct paca_struct, hw_cpu_id));
143 DEFINE(PACA_STARTPURR, offsetof(struct paca_struct, startpurr));
144 DEFINE(PACA_STARTSPURR, offsetof(struct paca_struct, startspurr));
145 DEFINE(PACA_USER_TIME, offsetof(struct paca_struct, user_time));
146 DEFINE(PACA_SYSTEM_TIME, offsetof(struct paca_struct, system_time));
147 DEFINE(PACA_SLBSHADOWPTR, offsetof(struct paca_struct, slb_shadow_ptr));
148 DEFINE(PACA_DATA_OFFSET, offsetof(struct paca_struct, data_offset));
149 DEFINE(PACA_TRAP_SAVE, offsetof(struct paca_struct, trap_save));
151 DEFINE(SLBSHADOW_STACKVSID,
152 offsetof(struct slb_shadow, save_area[SLB_NUM_BOLTED - 1].vsid));
153 DEFINE(SLBSHADOW_STACKESID,
154 offsetof(struct slb_shadow, save_area[SLB_NUM_BOLTED - 1].esid));
155 DEFINE(LPPACASRR0, offsetof(struct lppaca, saved_srr0));
156 DEFINE(LPPACASRR1, offsetof(struct lppaca, saved_srr1));
157 DEFINE(LPPACAANYINT, offsetof(struct lppaca, int_dword.any_int));
158 DEFINE(LPPACADECRINT, offsetof(struct lppaca, int_dword.fields.decr_int));
159 DEFINE(SLBSHADOW_SAVEAREA, offsetof(struct slb_shadow, save_area));
160 #endif /* CONFIG_PPC64 */
163 DEFINE(RTASBASE, offsetof(struct rtas_t, base));
164 DEFINE(RTASENTRY, offsetof(struct rtas_t, entry));
166 /* Interrupt register frame */
167 DEFINE(STACK_FRAME_OVERHEAD, STACK_FRAME_OVERHEAD);
169 DEFINE(INT_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs));
170 #else /* CONFIG_PPC64 */
171 DEFINE(SWITCH_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs));
172 /* 288 = # of volatile regs, int & fp, for leaf routines */
173 /* which do not stack a frame. See the PPC64 ABI. */
174 DEFINE(INT_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs) + 288);
175 /* Create extra stack space for SRR0 and SRR1 when calling prom/rtas. */
176 DEFINE(PROM_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs) + 16);
177 DEFINE(RTAS_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs) + 16);
179 /* hcall statistics */
180 DEFINE(HCALL_STAT_SIZE, sizeof(struct hcall_stats));
181 DEFINE(HCALL_STAT_CALLS, offsetof(struct hcall_stats, num_calls));
182 DEFINE(HCALL_STAT_TB, offsetof(struct hcall_stats, tb_total));
183 DEFINE(HCALL_STAT_PURR, offsetof(struct hcall_stats, purr_total));
184 #endif /* CONFIG_PPC64 */
185 DEFINE(GPR0, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[0]));
186 DEFINE(GPR1, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[1]));
187 DEFINE(GPR2, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[2]));
188 DEFINE(GPR3, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[3]));
189 DEFINE(GPR4, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[4]));
190 DEFINE(GPR5, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[5]));
191 DEFINE(GPR6, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[6]));
192 DEFINE(GPR7, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[7]));
193 DEFINE(GPR8, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[8]));
194 DEFINE(GPR9, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[9]));
195 DEFINE(GPR10, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[10]));
196 DEFINE(GPR11, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[11]));
197 DEFINE(GPR12, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[12]));
198 DEFINE(GPR13, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[13]));
200 DEFINE(GPR14, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[14]));
201 DEFINE(GPR15, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[15]));
202 DEFINE(GPR16, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[16]));
203 DEFINE(GPR17, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[17]));
204 DEFINE(GPR18, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[18]));
205 DEFINE(GPR19, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[19]));
206 DEFINE(GPR20, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[20]));
207 DEFINE(GPR21, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[21]));
208 DEFINE(GPR22, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[22]));
209 DEFINE(GPR23, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[23]));
210 DEFINE(GPR24, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[24]));
211 DEFINE(GPR25, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[25]));
212 DEFINE(GPR26, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[26]));
213 DEFINE(GPR27, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[27]));
214 DEFINE(GPR28, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[28]));
215 DEFINE(GPR29, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[29]));
216 DEFINE(GPR30, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[30]));
217 DEFINE(GPR31, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[31]));
218 #endif /* CONFIG_PPC64 */
220 * Note: these symbols include _ because they overlap with special
223 DEFINE(_NIP, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, nip));
224 DEFINE(_MSR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, msr));
225 DEFINE(_CTR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, ctr));
226 DEFINE(_LINK, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, link));
227 DEFINE(_CCR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, ccr));
228 DEFINE(_XER, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, xer));
229 DEFINE(_DAR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dar));
230 DEFINE(_DSISR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dsisr));
231 DEFINE(ORIG_GPR3, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, orig_gpr3));
232 DEFINE(RESULT, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, result));
233 DEFINE(_TRAP, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, trap));
235 DEFINE(_MQ, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, mq));
237 * The PowerPC 400-class & Book-E processors have neither the DAR
238 * nor the DSISR SPRs. Hence, we overload them to hold the similar
239 * DEAR and ESR SPRs for such processors. For critical interrupts
240 * we use them to hold SRR0 and SRR1.
242 DEFINE(_DEAR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dar));
243 DEFINE(_ESR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dsisr));
244 #else /* CONFIG_PPC64 */
245 DEFINE(SOFTE, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, softe));
247 /* These _only_ to be used with {PROM,RTAS}_FRAME_SIZE!!! */
248 DEFINE(_SRR0, STACK_FRAME_OVERHEAD+sizeof(struct pt_regs));
249 DEFINE(_SRR1, STACK_FRAME_OVERHEAD+sizeof(struct pt_regs)+8);
250 #endif /* CONFIG_PPC64 */
252 DEFINE(CLONE_VM, CLONE_VM);
253 DEFINE(CLONE_UNTRACED, CLONE_UNTRACED);
256 DEFINE(MM_PGD, offsetof(struct mm_struct, pgd));
257 #endif /* ! CONFIG_PPC64 */
259 /* About the CPU features table */
260 DEFINE(CPU_SPEC_ENTRY_SIZE, sizeof(struct cpu_spec));
261 DEFINE(CPU_SPEC_PVR_MASK, offsetof(struct cpu_spec, pvr_mask));
262 DEFINE(CPU_SPEC_PVR_VALUE, offsetof(struct cpu_spec, pvr_value));
263 DEFINE(CPU_SPEC_FEATURES, offsetof(struct cpu_spec, cpu_features));
264 DEFINE(CPU_SPEC_SETUP, offsetof(struct cpu_spec, cpu_setup));
265 DEFINE(CPU_SPEC_RESTORE, offsetof(struct cpu_spec, cpu_restore));
267 DEFINE(pbe_address, offsetof(struct pbe, address));
268 DEFINE(pbe_orig_address, offsetof(struct pbe, orig_address));
269 DEFINE(pbe_next, offsetof(struct pbe, next));
272 DEFINE(TASK_SIZE, TASK_SIZE);
273 DEFINE(NUM_USER_SEGMENTS, TASK_SIZE>>28);
274 #endif /* ! CONFIG_PPC64 */
276 /* datapage offsets for use by vdso */
277 DEFINE(CFG_TB_ORIG_STAMP, offsetof(struct vdso_data, tb_orig_stamp));
278 DEFINE(CFG_TB_TICKS_PER_SEC, offsetof(struct vdso_data, tb_ticks_per_sec));
279 DEFINE(CFG_TB_TO_XS, offsetof(struct vdso_data, tb_to_xs));
280 DEFINE(CFG_STAMP_XSEC, offsetof(struct vdso_data, stamp_xsec));
281 DEFINE(CFG_TB_UPDATE_COUNT, offsetof(struct vdso_data, tb_update_count));
282 DEFINE(CFG_TZ_MINUTEWEST, offsetof(struct vdso_data, tz_minuteswest));
283 DEFINE(CFG_TZ_DSTTIME, offsetof(struct vdso_data, tz_dsttime));
284 DEFINE(CFG_SYSCALL_MAP32, offsetof(struct vdso_data, syscall_map_32));
285 DEFINE(WTOM_CLOCK_SEC, offsetof(struct vdso_data, wtom_clock_sec));
286 DEFINE(WTOM_CLOCK_NSEC, offsetof(struct vdso_data, wtom_clock_nsec));
287 DEFINE(CFG_ICACHE_BLOCKSZ, offsetof(struct vdso_data, icache_block_size));
288 DEFINE(CFG_DCACHE_BLOCKSZ, offsetof(struct vdso_data, dcache_block_size));
289 DEFINE(CFG_ICACHE_LOGBLOCKSZ, offsetof(struct vdso_data, icache_log_block_size));
290 DEFINE(CFG_DCACHE_LOGBLOCKSZ, offsetof(struct vdso_data, dcache_log_block_size));
292 DEFINE(CFG_SYSCALL_MAP64, offsetof(struct vdso_data, syscall_map_64));
293 DEFINE(TVAL64_TV_SEC, offsetof(struct timeval, tv_sec));
294 DEFINE(TVAL64_TV_USEC, offsetof(struct timeval, tv_usec));
295 DEFINE(TVAL32_TV_SEC, offsetof(struct compat_timeval, tv_sec));
296 DEFINE(TVAL32_TV_USEC, offsetof(struct compat_timeval, tv_usec));
297 DEFINE(TSPC64_TV_SEC, offsetof(struct timespec, tv_sec));
298 DEFINE(TSPC64_TV_NSEC, offsetof(struct timespec, tv_nsec));
299 DEFINE(TSPC32_TV_SEC, offsetof(struct compat_timespec, tv_sec));
300 DEFINE(TSPC32_TV_NSEC, offsetof(struct compat_timespec, tv_nsec));
302 DEFINE(TVAL32_TV_SEC, offsetof(struct timeval, tv_sec));
303 DEFINE(TVAL32_TV_USEC, offsetof(struct timeval, tv_usec));
304 DEFINE(TSPC32_TV_SEC, offsetof(struct timespec, tv_sec));
305 DEFINE(TSPC32_TV_NSEC, offsetof(struct timespec, tv_nsec));
307 /* timeval/timezone offsets for use by vdso */
308 DEFINE(TZONE_TZ_MINWEST, offsetof(struct timezone, tz_minuteswest));
309 DEFINE(TZONE_TZ_DSTTIME, offsetof(struct timezone, tz_dsttime));
311 /* Other bits used by the vdso */
312 DEFINE(CLOCK_REALTIME, CLOCK_REALTIME);
313 DEFINE(CLOCK_MONOTONIC, CLOCK_MONOTONIC);
314 DEFINE(NSEC_PER_SEC, NSEC_PER_SEC);
315 DEFINE(CLOCK_REALTIME_RES, TICK_NSEC);
318 DEFINE(BUG_ENTRY_SIZE, sizeof(struct bug_entry));
321 #ifdef CONFIG_PPC_ISERIES
322 /* the assembler miscalculates the VSID values */
323 DEFINE(PAGE_OFFSET_ESID, GET_ESID(PAGE_OFFSET));
324 DEFINE(PAGE_OFFSET_VSID, KERNEL_VSID(PAGE_OFFSET));
325 DEFINE(VMALLOC_START_ESID, GET_ESID(VMALLOC_START));
326 DEFINE(VMALLOC_START_VSID, KERNEL_VSID(VMALLOC_START));
330 DEFINE(PGD_TABLE_SIZE, PGD_TABLE_SIZE);