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/config.h> 17 #include <linux/signal.h> 18 #include <linux/sched.h> 19 #include <linux/kernel.h> 20 #include <linux/errno.h> 21 #include <linux/string.h> 22 #include <linux/types.h> 23 #include <linux/mman.h> 24 #include <linux/mm.h> 25 #ifdef CONFIG_PPC64 26 #include <linux/time.h> 27 #include <linux/hardirq.h> 28 #else 29 #include <linux/ptrace.h> 30 #include <linux/suspend.h> 31 #endif 32 33 #include <asm/io.h> 34 #include <asm/page.h> 35 #include <asm/pgtable.h> 36 #include <asm/processor.h> 37 #include <asm/cputable.h> 38 #include <asm/thread_info.h> 39 #include <asm/rtas.h> 40 #ifdef CONFIG_PPC64 41 #include <asm/paca.h> 42 #include <asm/lppaca.h> 43 #include <asm/iseries/hv_lp_event.h> 44 #include <asm/cache.h> 45 #include <asm/systemcfg.h> 46 #include <asm/compat.h> 47 #endif 48 49 #define DEFINE(sym, val) \ 50 asm volatile("\n->" #sym " %0 " #val : : "i" (val)) 51 52 #define BLANK() asm volatile("\n->" : : ) 53 54 int main(void) 55 { 56 DEFINE(THREAD, offsetof(struct task_struct, thread)); 57 DEFINE(MM, offsetof(struct task_struct, mm)); 58 #ifdef CONFIG_PPC64 59 DEFINE(AUDITCONTEXT, offsetof(struct task_struct, audit_context)); 60 #else 61 DEFINE(THREAD_INFO, offsetof(struct task_struct, thread_info)); 62 DEFINE(PTRACE, offsetof(struct task_struct, ptrace)); 63 #endif /* CONFIG_PPC64 */ 64 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)); 70 #ifdef CONFIG_ALTIVEC 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 */ 76 #ifdef CONFIG_PPC64 77 DEFINE(KSP_VSID, offsetof(struct thread_struct, ksp_vsid)); 78 #else /* CONFIG_PPC64 */ 79 DEFINE(PGDIR, offsetof(struct thread_struct, pgdir)); 80 DEFINE(LAST_SYSCALL, offsetof(struct thread_struct, last_syscall)); 81 #if defined(CONFIG_4xx) || defined(CONFIG_BOOKE) 82 DEFINE(THREAD_DBCR0, offsetof(struct thread_struct, dbcr0)); 83 DEFINE(PT_PTRACED, PT_PTRACED); 84 #endif 85 #ifdef CONFIG_SPE 86 DEFINE(THREAD_EVR0, offsetof(struct thread_struct, evr[0])); 87 DEFINE(THREAD_ACC, offsetof(struct thread_struct, acc)); 88 DEFINE(THREAD_SPEFSCR, offsetof(struct thread_struct, spefscr)); 89 DEFINE(THREAD_USED_SPE, offsetof(struct thread_struct, used_spe)); 90 #endif /* CONFIG_SPE */ 91 #endif /* CONFIG_PPC64 */ 92 93 DEFINE(TI_FLAGS, offsetof(struct thread_info, flags)); 94 DEFINE(TI_PREEMPT, offsetof(struct thread_info, preempt_count)); 95 DEFINE(TI_SC_NOERR, offsetof(struct thread_info, syscall_noerror)); 96 #ifdef CONFIG_PPC32 97 DEFINE(TI_TASK, offsetof(struct thread_info, task)); 98 DEFINE(TI_EXECDOMAIN, offsetof(struct thread_info, exec_domain)); 99 DEFINE(TI_CPU, offsetof(struct thread_info, cpu)); 100 #endif /* CONFIG_PPC32 */ 101 102 #ifdef CONFIG_PPC64 103 DEFINE(DCACHEL1LINESIZE, offsetof(struct ppc64_caches, dline_size)); 104 DEFINE(DCACHEL1LOGLINESIZE, offsetof(struct ppc64_caches, log_dline_size)); 105 DEFINE(DCACHEL1LINESPERPAGE, offsetof(struct ppc64_caches, dlines_per_page)); 106 DEFINE(ICACHEL1LINESIZE, offsetof(struct ppc64_caches, iline_size)); 107 DEFINE(ICACHEL1LOGLINESIZE, offsetof(struct ppc64_caches, log_iline_size)); 108 DEFINE(ICACHEL1LINESPERPAGE, offsetof(struct ppc64_caches, ilines_per_page)); 109 DEFINE(PLATFORM, offsetof(struct systemcfg, platform)); 110 DEFINE(PLATFORM_LPAR, PLATFORM_LPAR); 111 112 /* paca */ 113 DEFINE(PACA_SIZE, sizeof(struct paca_struct)); 114 DEFINE(PACAPACAINDEX, offsetof(struct paca_struct, paca_index)); 115 DEFINE(PACAPROCSTART, offsetof(struct paca_struct, cpu_start)); 116 DEFINE(PACAKSAVE, offsetof(struct paca_struct, kstack)); 117 DEFINE(PACACURRENT, offsetof(struct paca_struct, __current)); 118 DEFINE(PACASAVEDMSR, offsetof(struct paca_struct, saved_msr)); 119 DEFINE(PACASTABREAL, offsetof(struct paca_struct, stab_real)); 120 DEFINE(PACASTABVIRT, offsetof(struct paca_struct, stab_addr)); 121 DEFINE(PACASTABRR, offsetof(struct paca_struct, stab_rr)); 122 DEFINE(PACAR1, offsetof(struct paca_struct, saved_r1)); 123 DEFINE(PACATOC, offsetof(struct paca_struct, kernel_toc)); 124 DEFINE(PACAPROCENABLED, offsetof(struct paca_struct, proc_enabled)); 125 DEFINE(PACASLBCACHE, offsetof(struct paca_struct, slb_cache)); 126 DEFINE(PACASLBCACHEPTR, offsetof(struct paca_struct, slb_cache_ptr)); 127 DEFINE(PACACONTEXTID, offsetof(struct paca_struct, context.id)); 128 #ifdef CONFIG_PPC_64K_PAGES 129 DEFINE(PACAPGDIR, offsetof(struct paca_struct, pgdir)); 130 #endif 131 #ifdef CONFIG_HUGETLB_PAGE 132 DEFINE(PACALOWHTLBAREAS, offsetof(struct paca_struct, context.low_htlb_areas)); 133 DEFINE(PACAHIGHHTLBAREAS, offsetof(struct paca_struct, context.high_htlb_areas)); 134 #endif /* CONFIG_HUGETLB_PAGE */ 135 DEFINE(PACADEFAULTDECR, offsetof(struct paca_struct, default_decr)); 136 DEFINE(PACA_EXGEN, offsetof(struct paca_struct, exgen)); 137 DEFINE(PACA_EXMC, offsetof(struct paca_struct, exmc)); 138 DEFINE(PACA_EXSLB, offsetof(struct paca_struct, exslb)); 139 DEFINE(PACA_EXDSI, offsetof(struct paca_struct, exdsi)); 140 DEFINE(PACAEMERGSP, offsetof(struct paca_struct, emergency_sp)); 141 DEFINE(PACALPPACA, offsetof(struct paca_struct, lppaca)); 142 DEFINE(PACAHWCPUID, offsetof(struct paca_struct, hw_cpu_id)); 143 144 DEFINE(LPPACASRR0, offsetof(struct lppaca, saved_srr0)); 145 DEFINE(LPPACASRR1, offsetof(struct lppaca, saved_srr1)); 146 DEFINE(LPPACAANYINT, offsetof(struct lppaca, int_dword.any_int)); 147 DEFINE(LPPACADECRINT, offsetof(struct lppaca, int_dword.fields.decr_int)); 148 #endif /* CONFIG_PPC64 */ 149 150 /* RTAS */ 151 DEFINE(RTASBASE, offsetof(struct rtas_t, base)); 152 DEFINE(RTASENTRY, offsetof(struct rtas_t, entry)); 153 154 /* Interrupt register frame */ 155 DEFINE(STACK_FRAME_OVERHEAD, STACK_FRAME_OVERHEAD); 156 #ifndef CONFIG_PPC64 157 DEFINE(INT_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs)); 158 #else /* CONFIG_PPC64 */ 159 DEFINE(SWITCH_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs)); 160 /* 288 = # of volatile regs, int & fp, for leaf routines */ 161 /* which do not stack a frame. See the PPC64 ABI. */ 162 DEFINE(INT_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs) + 288); 163 /* Create extra stack space for SRR0 and SRR1 when calling prom/rtas. */ 164 DEFINE(PROM_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs) + 16); 165 DEFINE(RTAS_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs) + 16); 166 #endif /* CONFIG_PPC64 */ 167 DEFINE(GPR0, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[0])); 168 DEFINE(GPR1, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[1])); 169 DEFINE(GPR2, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[2])); 170 DEFINE(GPR3, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[3])); 171 DEFINE(GPR4, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[4])); 172 DEFINE(GPR5, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[5])); 173 DEFINE(GPR6, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[6])); 174 DEFINE(GPR7, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[7])); 175 DEFINE(GPR8, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[8])); 176 DEFINE(GPR9, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[9])); 177 DEFINE(GPR10, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[10])); 178 DEFINE(GPR11, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[11])); 179 DEFINE(GPR12, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[12])); 180 DEFINE(GPR13, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[13])); 181 #ifndef CONFIG_PPC64 182 DEFINE(GPR14, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[14])); 183 DEFINE(GPR15, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[15])); 184 DEFINE(GPR16, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[16])); 185 DEFINE(GPR17, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[17])); 186 DEFINE(GPR18, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[18])); 187 DEFINE(GPR19, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[19])); 188 DEFINE(GPR20, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[20])); 189 DEFINE(GPR21, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[21])); 190 DEFINE(GPR22, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[22])); 191 DEFINE(GPR23, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[23])); 192 DEFINE(GPR24, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[24])); 193 DEFINE(GPR25, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[25])); 194 DEFINE(GPR26, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[26])); 195 DEFINE(GPR27, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[27])); 196 DEFINE(GPR28, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[28])); 197 DEFINE(GPR29, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[29])); 198 DEFINE(GPR30, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[30])); 199 DEFINE(GPR31, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[31])); 200 #endif /* CONFIG_PPC64 */ 201 /* 202 * Note: these symbols include _ because they overlap with special 203 * register names 204 */ 205 DEFINE(_NIP, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, nip)); 206 DEFINE(_MSR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, msr)); 207 DEFINE(_CTR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, ctr)); 208 DEFINE(_LINK, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, link)); 209 DEFINE(_CCR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, ccr)); 210 DEFINE(_XER, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, xer)); 211 DEFINE(_DAR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dar)); 212 DEFINE(_DSISR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dsisr)); 213 DEFINE(ORIG_GPR3, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, orig_gpr3)); 214 DEFINE(RESULT, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, result)); 215 DEFINE(_TRAP, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, trap)); 216 #ifndef CONFIG_PPC64 217 DEFINE(_MQ, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, mq)); 218 /* 219 * The PowerPC 400-class & Book-E processors have neither the DAR 220 * nor the DSISR SPRs. Hence, we overload them to hold the similar 221 * DEAR and ESR SPRs for such processors. For critical interrupts 222 * we use them to hold SRR0 and SRR1. 223 */ 224 DEFINE(_DEAR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dar)); 225 DEFINE(_ESR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dsisr)); 226 #else /* CONFIG_PPC64 */ 227 DEFINE(SOFTE, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, softe)); 228 229 /* These _only_ to be used with {PROM,RTAS}_FRAME_SIZE!!! */ 230 DEFINE(_SRR0, STACK_FRAME_OVERHEAD+sizeof(struct pt_regs)); 231 DEFINE(_SRR1, STACK_FRAME_OVERHEAD+sizeof(struct pt_regs)+8); 232 #endif /* CONFIG_PPC64 */ 233 234 DEFINE(CLONE_VM, CLONE_VM); 235 DEFINE(CLONE_UNTRACED, CLONE_UNTRACED); 236 237 #ifndef CONFIG_PPC64 238 DEFINE(MM_PGD, offsetof(struct mm_struct, pgd)); 239 #endif /* ! CONFIG_PPC64 */ 240 241 /* About the CPU features table */ 242 DEFINE(CPU_SPEC_ENTRY_SIZE, sizeof(struct cpu_spec)); 243 DEFINE(CPU_SPEC_PVR_MASK, offsetof(struct cpu_spec, pvr_mask)); 244 DEFINE(CPU_SPEC_PVR_VALUE, offsetof(struct cpu_spec, pvr_value)); 245 DEFINE(CPU_SPEC_FEATURES, offsetof(struct cpu_spec, cpu_features)); 246 DEFINE(CPU_SPEC_SETUP, offsetof(struct cpu_spec, cpu_setup)); 247 248 #ifndef CONFIG_PPC64 249 DEFINE(pbe_address, offsetof(struct pbe, address)); 250 DEFINE(pbe_orig_address, offsetof(struct pbe, orig_address)); 251 DEFINE(pbe_next, offsetof(struct pbe, next)); 252 253 DEFINE(TASK_SIZE, TASK_SIZE); 254 DEFINE(NUM_USER_SEGMENTS, TASK_SIZE>>28); 255 #else /* CONFIG_PPC64 */ 256 /* systemcfg offsets for use by vdso */ 257 DEFINE(CFG_TB_ORIG_STAMP, offsetof(struct systemcfg, tb_orig_stamp)); 258 DEFINE(CFG_TB_TICKS_PER_SEC, offsetof(struct systemcfg, tb_ticks_per_sec)); 259 DEFINE(CFG_TB_TO_XS, offsetof(struct systemcfg, tb_to_xs)); 260 DEFINE(CFG_STAMP_XSEC, offsetof(struct systemcfg, stamp_xsec)); 261 DEFINE(CFG_TB_UPDATE_COUNT, offsetof(struct systemcfg, tb_update_count)); 262 DEFINE(CFG_TZ_MINUTEWEST, offsetof(struct systemcfg, tz_minuteswest)); 263 DEFINE(CFG_TZ_DSTTIME, offsetof(struct systemcfg, tz_dsttime)); 264 DEFINE(CFG_SYSCALL_MAP32, offsetof(struct systemcfg, syscall_map_32)); 265 DEFINE(CFG_SYSCALL_MAP64, offsetof(struct systemcfg, syscall_map_64)); 266 267 /* timeval/timezone offsets for use by vdso */ 268 DEFINE(TVAL64_TV_SEC, offsetof(struct timeval, tv_sec)); 269 DEFINE(TVAL64_TV_USEC, offsetof(struct timeval, tv_usec)); 270 DEFINE(TVAL32_TV_SEC, offsetof(struct compat_timeval, tv_sec)); 271 DEFINE(TVAL32_TV_USEC, offsetof(struct compat_timeval, tv_usec)); 272 DEFINE(TZONE_TZ_MINWEST, offsetof(struct timezone, tz_minuteswest)); 273 DEFINE(TZONE_TZ_DSTTIME, offsetof(struct timezone, tz_dsttime)); 274 #endif /* CONFIG_PPC64 */ 275 return 0; 276 } 277