Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | #include <linux/time.h> |
| 26 | #include <linux/hardirq.h> |
| 27 | #include <asm/io.h> |
| 28 | #include <asm/page.h> |
| 29 | #include <asm/pgtable.h> |
| 30 | #include <asm/processor.h> |
| 31 | |
| 32 | #include <asm/paca.h> |
| 33 | #include <asm/lppaca.h> |
| 34 | #include <asm/iSeries/ItLpQueue.h> |
| 35 | #include <asm/iSeries/HvLpEvent.h> |
| 36 | #include <asm/rtas.h> |
| 37 | #include <asm/cputable.h> |
| 38 | #include <asm/cache.h> |
| 39 | #include <asm/systemcfg.h> |
| 40 | #include <asm/compat.h> |
| 41 | |
| 42 | #define DEFINE(sym, val) \ |
| 43 | asm volatile("\n->" #sym " %0 " #val : : "i" (val)) |
| 44 | |
| 45 | #define BLANK() asm volatile("\n->" : : ) |
| 46 | |
| 47 | int main(void) |
| 48 | { |
| 49 | /* thread struct on stack */ |
| 50 | DEFINE(THREAD_SHIFT, THREAD_SHIFT); |
| 51 | DEFINE(THREAD_SIZE, THREAD_SIZE); |
| 52 | DEFINE(TI_FLAGS, offsetof(struct thread_info, flags)); |
| 53 | DEFINE(TI_PREEMPT, offsetof(struct thread_info, preempt_count)); |
| 54 | DEFINE(TI_SC_NOERR, offsetof(struct thread_info, syscall_noerror)); |
| 55 | |
| 56 | /* task_struct->thread */ |
| 57 | DEFINE(THREAD, offsetof(struct task_struct, thread)); |
| 58 | DEFINE(PT_REGS, offsetof(struct thread_struct, regs)); |
| 59 | DEFINE(THREAD_FPEXC_MODE, offsetof(struct thread_struct, fpexc_mode)); |
| 60 | DEFINE(THREAD_FPR0, offsetof(struct thread_struct, fpr[0])); |
| 61 | DEFINE(THREAD_FPSCR, offsetof(struct thread_struct, fpscr)); |
| 62 | DEFINE(KSP, offsetof(struct thread_struct, ksp)); |
| 63 | DEFINE(KSP_VSID, offsetof(struct thread_struct, ksp_vsid)); |
| 64 | |
| 65 | #ifdef CONFIG_ALTIVEC |
| 66 | DEFINE(THREAD_VR0, offsetof(struct thread_struct, vr[0])); |
| 67 | DEFINE(THREAD_VRSAVE, offsetof(struct thread_struct, vrsave)); |
| 68 | DEFINE(THREAD_VSCR, offsetof(struct thread_struct, vscr)); |
| 69 | DEFINE(THREAD_USED_VR, offsetof(struct thread_struct, used_vr)); |
| 70 | #endif /* CONFIG_ALTIVEC */ |
| 71 | DEFINE(MM, offsetof(struct task_struct, mm)); |
| 72 | |
| 73 | DEFINE(DCACHEL1LINESIZE, offsetof(struct ppc64_caches, dline_size)); |
| 74 | DEFINE(DCACHEL1LOGLINESIZE, offsetof(struct ppc64_caches, log_dline_size)); |
| 75 | DEFINE(DCACHEL1LINESPERPAGE, offsetof(struct ppc64_caches, dlines_per_page)); |
| 76 | DEFINE(ICACHEL1LINESIZE, offsetof(struct ppc64_caches, iline_size)); |
| 77 | DEFINE(ICACHEL1LOGLINESIZE, offsetof(struct ppc64_caches, log_iline_size)); |
| 78 | DEFINE(ICACHEL1LINESPERPAGE, offsetof(struct ppc64_caches, ilines_per_page)); |
| 79 | DEFINE(PLATFORM, offsetof(struct systemcfg, platform)); |
| 80 | |
| 81 | /* paca */ |
| 82 | DEFINE(PACA_SIZE, sizeof(struct paca_struct)); |
| 83 | DEFINE(PACAPACAINDEX, offsetof(struct paca_struct, paca_index)); |
| 84 | DEFINE(PACAPROCSTART, offsetof(struct paca_struct, cpu_start)); |
| 85 | DEFINE(PACAKSAVE, offsetof(struct paca_struct, kstack)); |
| 86 | DEFINE(PACACURRENT, offsetof(struct paca_struct, __current)); |
| 87 | DEFINE(PACASAVEDMSR, offsetof(struct paca_struct, saved_msr)); |
| 88 | DEFINE(PACASTABREAL, offsetof(struct paca_struct, stab_real)); |
| 89 | DEFINE(PACASTABVIRT, offsetof(struct paca_struct, stab_addr)); |
| 90 | DEFINE(PACASTABRR, offsetof(struct paca_struct, stab_rr)); |
| 91 | DEFINE(PACAR1, offsetof(struct paca_struct, saved_r1)); |
| 92 | DEFINE(PACATOC, offsetof(struct paca_struct, kernel_toc)); |
| 93 | DEFINE(PACAPROCENABLED, offsetof(struct paca_struct, proc_enabled)); |
| 94 | DEFINE(PACASLBCACHE, offsetof(struct paca_struct, slb_cache)); |
| 95 | DEFINE(PACASLBCACHEPTR, offsetof(struct paca_struct, slb_cache_ptr)); |
| 96 | DEFINE(PACACONTEXTID, offsetof(struct paca_struct, context.id)); |
| 97 | #ifdef CONFIG_HUGETLB_PAGE |
| 98 | DEFINE(PACAHTLBSEGS, offsetof(struct paca_struct, context.htlb_segs)); |
| 99 | #endif /* CONFIG_HUGETLB_PAGE */ |
| 100 | DEFINE(PACADEFAULTDECR, offsetof(struct paca_struct, default_decr)); |
| 101 | DEFINE(PACA_EXGEN, offsetof(struct paca_struct, exgen)); |
| 102 | DEFINE(PACA_EXMC, offsetof(struct paca_struct, exmc)); |
| 103 | DEFINE(PACA_EXSLB, offsetof(struct paca_struct, exslb)); |
| 104 | DEFINE(PACA_EXDSI, offsetof(struct paca_struct, exdsi)); |
| 105 | DEFINE(PACAEMERGSP, offsetof(struct paca_struct, emergency_sp)); |
| 106 | DEFINE(PACALPPACA, offsetof(struct paca_struct, lppaca)); |
| 107 | DEFINE(PACAHWCPUID, offsetof(struct paca_struct, hw_cpu_id)); |
| 108 | DEFINE(LPPACASRR0, offsetof(struct lppaca, saved_srr0)); |
| 109 | DEFINE(LPPACASRR1, offsetof(struct lppaca, saved_srr1)); |
| 110 | DEFINE(LPPACAANYINT, offsetof(struct lppaca, int_dword.any_int)); |
| 111 | DEFINE(LPPACADECRINT, offsetof(struct lppaca, int_dword.fields.decr_int)); |
| 112 | |
| 113 | /* RTAS */ |
| 114 | DEFINE(RTASBASE, offsetof(struct rtas_t, base)); |
| 115 | DEFINE(RTASENTRY, offsetof(struct rtas_t, entry)); |
| 116 | |
| 117 | /* Interrupt register frame */ |
| 118 | DEFINE(STACK_FRAME_OVERHEAD, STACK_FRAME_OVERHEAD); |
| 119 | |
| 120 | DEFINE(SWITCH_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs)); |
| 121 | |
| 122 | /* 288 = # of volatile regs, int & fp, for leaf routines */ |
| 123 | /* which do not stack a frame. See the PPC64 ABI. */ |
| 124 | DEFINE(INT_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs) + 288); |
| 125 | /* Create extra stack space for SRR0 and SRR1 when calling prom/rtas. */ |
| 126 | DEFINE(PROM_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs) + 16); |
| 127 | DEFINE(RTAS_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs) + 16); |
| 128 | DEFINE(GPR0, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[0])); |
| 129 | DEFINE(GPR1, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[1])); |
| 130 | DEFINE(GPR2, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[2])); |
| 131 | DEFINE(GPR3, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[3])); |
| 132 | DEFINE(GPR4, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[4])); |
| 133 | DEFINE(GPR5, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[5])); |
| 134 | DEFINE(GPR6, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[6])); |
| 135 | DEFINE(GPR7, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[7])); |
| 136 | DEFINE(GPR8, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[8])); |
| 137 | DEFINE(GPR9, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[9])); |
| 138 | DEFINE(GPR10, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[10])); |
| 139 | DEFINE(GPR11, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[11])); |
| 140 | DEFINE(GPR12, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[12])); |
| 141 | DEFINE(GPR13, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[13])); |
| 142 | /* |
| 143 | * Note: these symbols include _ because they overlap with special |
| 144 | * register names |
| 145 | */ |
| 146 | DEFINE(_NIP, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, nip)); |
| 147 | DEFINE(_MSR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, msr)); |
| 148 | DEFINE(_CTR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, ctr)); |
| 149 | DEFINE(_LINK, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, link)); |
| 150 | DEFINE(_CCR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, ccr)); |
| 151 | DEFINE(_XER, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, xer)); |
| 152 | DEFINE(_DAR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dar)); |
| 153 | DEFINE(_DSISR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dsisr)); |
| 154 | DEFINE(ORIG_GPR3, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, orig_gpr3)); |
| 155 | DEFINE(RESULT, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, result)); |
| 156 | DEFINE(_TRAP, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, trap)); |
| 157 | DEFINE(SOFTE, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, softe)); |
| 158 | |
| 159 | /* These _only_ to be used with {PROM,RTAS}_FRAME_SIZE!!! */ |
| 160 | DEFINE(_SRR0, STACK_FRAME_OVERHEAD+sizeof(struct pt_regs)); |
| 161 | DEFINE(_SRR1, STACK_FRAME_OVERHEAD+sizeof(struct pt_regs)+8); |
| 162 | |
| 163 | DEFINE(CLONE_VM, CLONE_VM); |
| 164 | DEFINE(CLONE_UNTRACED, CLONE_UNTRACED); |
| 165 | |
| 166 | /* About the CPU features table */ |
| 167 | DEFINE(CPU_SPEC_ENTRY_SIZE, sizeof(struct cpu_spec)); |
| 168 | DEFINE(CPU_SPEC_PVR_MASK, offsetof(struct cpu_spec, pvr_mask)); |
| 169 | DEFINE(CPU_SPEC_PVR_VALUE, offsetof(struct cpu_spec, pvr_value)); |
| 170 | DEFINE(CPU_SPEC_FEATURES, offsetof(struct cpu_spec, cpu_features)); |
| 171 | DEFINE(CPU_SPEC_SETUP, offsetof(struct cpu_spec, cpu_setup)); |
| 172 | |
| 173 | /* systemcfg offsets for use by vdso */ |
| 174 | DEFINE(CFG_TB_ORIG_STAMP, offsetof(struct systemcfg, tb_orig_stamp)); |
| 175 | DEFINE(CFG_TB_TICKS_PER_SEC, offsetof(struct systemcfg, tb_ticks_per_sec)); |
| 176 | DEFINE(CFG_TB_TO_XS, offsetof(struct systemcfg, tb_to_xs)); |
| 177 | DEFINE(CFG_STAMP_XSEC, offsetof(struct systemcfg, stamp_xsec)); |
| 178 | DEFINE(CFG_TB_UPDATE_COUNT, offsetof(struct systemcfg, tb_update_count)); |
| 179 | DEFINE(CFG_TZ_MINUTEWEST, offsetof(struct systemcfg, tz_minuteswest)); |
| 180 | DEFINE(CFG_TZ_DSTTIME, offsetof(struct systemcfg, tz_dsttime)); |
| 181 | DEFINE(CFG_SYSCALL_MAP32, offsetof(struct systemcfg, syscall_map_32)); |
| 182 | DEFINE(CFG_SYSCALL_MAP64, offsetof(struct systemcfg, syscall_map_64)); |
| 183 | |
| 184 | /* timeval/timezone offsets for use by vdso */ |
| 185 | DEFINE(TVAL64_TV_SEC, offsetof(struct timeval, tv_sec)); |
| 186 | DEFINE(TVAL64_TV_USEC, offsetof(struct timeval, tv_usec)); |
| 187 | DEFINE(TVAL32_TV_SEC, offsetof(struct compat_timeval, tv_sec)); |
| 188 | DEFINE(TVAL32_TV_USEC, offsetof(struct compat_timeval, tv_usec)); |
| 189 | DEFINE(TZONE_TZ_MINWEST, offsetof(struct timezone, tz_minuteswest)); |
| 190 | DEFINE(TZONE_TZ_DSTTIME, offsetof(struct timezone, tz_dsttime)); |
| 191 | |
| 192 | return 0; |
| 193 | } |