osfmk/arm/genassym.c

   1 /*
   2  * Copyright (c) 2007 Apple Inc. All rights reserved.
   3  *
   4  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. The rights granted to you under the License
  10  * may not be used to create, or enable the creation or redistribution of,
  11  * unlawful or unlicensed copies of an Apple operating system, or to
  12  * circumvent, violate, or enable the circumvention or violation of, any
  13  * terms of an Apple operating system software license agreement.
  14  *
  15  * Please obtain a copy of the License at
  16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  17  *
  18  * The Original Code and all software distributed under the License are
  19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  23  * Please see the License for the specific language governing rights and
  24  * limitations under the License.
  25  *
  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  27  */
  28 /*
  29  * @OSF_COPYRIGHT@
  30  */
  31 /*
  32  * Mach Operating System
  33  * Copyright (c) 1991,1990 Carnegie Mellon University
  34  * All Rights Reserved.
  35  *
  36  * Permission to use, copy, modify and distribute this software and its
  37  * documentation is hereby granted, provided that both the copyright
  38  * notice and this permission notice appear in all copies of the
  39  * software, derivative works or modified versions, and any portions
  40  * thereof, and that both notices appear in supporting documentation.
  41  *
  42  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
  43  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
  44  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
  45  *
  46  * Carnegie Mellon requests users of this software to return to
  47  *
  48  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
  49  *  School of Computer Science
  50  *  Carnegie Mellon University
  51  *  Pittsburgh PA 15213-3890
  52  *
  53  * any improvements or extensions that they make and grant Carnegie Mellon
  54  * the rights to redistribute these changes.
  55  */
  56
  57 #include <stddef.h>
  58
  59 #include <mach_ldebug.h>
  60
  61 /*
  62  * Pass field offsets to assembly code.
  63  */
  64 #include <kern/ast.h>
  65 #include <kern/thread.h>
  66 #include <kern/task.h>
  67 #include <kern/locks.h>
  68 #include <ipc/ipc_space.h>
  69 #include <ipc/ipc_port.h>
  70 #include <ipc/ipc_pset.h>
  71 #include <kern/host.h>
  72 #include <kern/misc_protos.h>
  73 #include <kern/syscall_sw.h>
  74 #include <arm/thread.h>
  75 #include <mach/arm/vm_param.h>
  76 #include <arm/pmap.h>
  77 #include <arm/trap.h>
  78 #include <arm/cpu_data_internal.h>
  79 #include <arm/cpu_capabilities.h>
  80 #include <arm/cpu_internal.h>
  81 #include <arm/rtclock.h>
  82 #include <machine/commpage.h>
  83 #include <vm/vm_map.h>
  84 #include <pexpert/arm/boot.h>
  85 #include <arm/proc_reg.h>
  86 #include <prng/random.h>
  87
  88 #if     CONFIG_DTRACE
  89 #define NEED_DTRACE_DEFS
  90 #include <../bsd/sys/lockstat.h>
  91 #endif  /* CONFIG_DTRACE */
  92
  93 /*
  94  * genassym.c is used to produce an
  95  * assembly file which, intermingled with unuseful assembly code,
  96  * has all the necessary definitions emitted. This assembly file is
  97  * then postprocessed with sed to extract only these definitions
  98  * and thus the final assyms.s is created.
  99  *
 100  * This convoluted means is necessary since the structure alignment
 101  * and packing may be different between the host machine and the
 102  * target so we are forced into using the cross compiler to generate
 103  * the values, but we cannot run anything on the target machine.
 104  */
 105
 106 #define DECLARE(SYM,VAL) \
 107         __asm("DEFINITION__define__" SYM ":\t .ascii \"%0\"" : : "n"  ((u_int)(VAL)))
 108
 109
 110 int     main(
 111                 int             argc,
 112                 char            ** argv);
 113
 114 int
 115 main(
 116         int     argc,
 117         char    **argv)
 118 {
 119
 120         DECLARE("T_PREFETCH_ABT",       T_PREFETCH_ABT);
 121         DECLARE("T_DATA_ABT",           T_DATA_ABT);
 122
 123         DECLARE("AST_URGENT",           AST_URGENT);
 124         DECLARE("AST_PREEMPTION",       AST_PREEMPTION);
 125
 126         DECLARE("TH_RECOVER",           offsetof(struct thread, recover));
 127         DECLARE("TH_CONTINUATION",      offsetof(struct thread, continuation));
 128         DECLARE("TH_KERNEL_STACK",      offsetof(struct thread, kernel_stack));
 129         DECLARE("TH_KSTACKPTR",         offsetof(struct thread, machine.kstackptr));
 130         DECLARE("TH_UTHREAD",           offsetof(struct thread, uthread));
 131
 132         DECLARE("TASK_MACH_EXC_PORT",
 133                 offsetof(struct task, exc_actions[EXC_MACH_SYSCALL].port));
 134
 135         /* These fields are being added on demand */
 136         DECLARE("ACT_TASK",     offsetof(struct thread, task));
 137         DECLARE("ACT_PCBDATA",  offsetof(struct thread, machine.PcbData));
 138 #if __ARM_VFP__
 139         DECLARE("ACT_UVFP",     offsetof(struct thread, machine.uVFPdata));
 140         DECLARE("ACT_KVFP",     offsetof(struct thread, machine.kVFPdata));
 141 #endif
 142         DECLARE("TH_CTH_SELF",  offsetof(struct thread, machine.cthread_self));
 143         DECLARE("TH_CTH_DATA",  offsetof(struct thread, machine.cthread_data));
 144         DECLARE("ACT_PCBDATA_PC",       offsetof(struct thread, machine.PcbData.pc));
 145         DECLARE("ACT_PCBDATA_R0",       offsetof(struct thread, machine.PcbData.r[0]));
 146         DECLARE("ACT_PREEMPT_CNT",      offsetof(struct thread, machine.preemption_count));
 147         DECLARE("ACT_CPUDATAP", offsetof(struct thread, machine.CpuDatap));
 148         DECLARE("ACT_MAP",      offsetof(struct thread, map));
 149 #if __ARM_USER_PROTECT__
 150         DECLARE("ACT_UPTW_TTC", offsetof(struct thread, machine.uptw_ttc));
 151         DECLARE("ACT_UPTW_TTB", offsetof(struct thread, machine.uptw_ttb));
 152         DECLARE("ACT_KPTW_TTB", offsetof(struct thread, machine.kptw_ttb));
 153         DECLARE("ACT_ASID", offsetof(struct thread, machine.asid));
 154 #endif
 155         DECLARE("ACT_DEBUGDATA",        offsetof(struct thread, machine.DebugData));
 156         DECLARE("TH_IOTIER_OVERRIDE",   offsetof(struct thread, iotier_override));
 157         DECLARE("TH_RWLOCK_CNT",        offsetof(struct thread, rwlock_count));
 158         DECLARE("TH_SCHED_FLAGS",       offsetof(struct thread, sched_flags));
 159         DECLARE("TH_SFLAG_RW_PROMOTED", TH_SFLAG_RW_PROMOTED);
 160
 161         DECLARE("TH_MACH_SYSCALLS", offsetof(struct thread, syscalls_mach));
 162         DECLARE("TH_UNIX_SYSCALLS", offsetof(struct thread, syscalls_unix));
 163         DECLARE("TASK_BSD_INFO", offsetof(struct task, bsd_info));
 164
 165         DECLARE("MACH_TRAP_TABLE_COUNT", MACH_TRAP_TABLE_COUNT);
 166         DECLARE("MACH_TRAP_TABLE_ENTRY_SIZE", sizeof(mach_trap_t));
 167
 168         DECLARE("MAP_PMAP",     offsetof(struct _vm_map, pmap));
 169
 170         DECLARE("SS_SIZE",      sizeof(struct arm_saved_state));
 171         DECLARE("SS_LR", offsetof(struct arm_saved_state, lr));
 172         DECLARE("SS_CPSR", offsetof(struct arm_saved_state, cpsr));
 173         DECLARE("SS_PC", offsetof(struct arm_saved_state, pc));
 174         DECLARE("SS_R0", offsetof(struct arm_saved_state, r[0]));
 175         DECLARE("SS_R4", offsetof(struct arm_saved_state, r[4]));
 176         DECLARE("SS_R9", offsetof(struct arm_saved_state, r[9]));
 177         DECLARE("SS_R12", offsetof(struct arm_saved_state, r[12]));
 178         DECLARE("SS_SP", offsetof(struct arm_saved_state, sp));
 179         DECLARE("SS_STATUS", offsetof(struct arm_saved_state, fsr));
 180         DECLARE("SS_VADDR", offsetof(struct arm_saved_state, far));
 181         DECLARE("SS_EXC", offsetof(struct arm_saved_state, exception));
 182
 183 #if __ARM_VFP__
 184         DECLARE("VSS_SIZE", sizeof(struct arm_vfpsaved_state));
 185         DECLARE("VSS_FPSCR", offsetof(struct arm_vfpsaved_state, fpscr));
 186         DECLARE("VSS_FPEXC", offsetof(struct arm_vfpsaved_state, fpexc));
 187
 188         DECLARE("EXC_CTX_SIZE", sizeof(struct arm_saved_state) +
 189                             sizeof(struct arm_vfpsaved_state) +
 190                             VFPSAVE_ALIGN);
 191         DECLARE("VSS_ALIGN", VFPSAVE_ALIGN);
 192 #else
 193         DECLARE("EXC_CTX_SIZE", sizeof(struct arm_saved_state));
 194 #endif
 195
 196
 197         DECLARE("PGBYTES", ARM_PGBYTES);
 198         DECLARE("PGSHIFT", ARM_PGSHIFT);
 199         DECLARE("PGMASK", ARM_PGMASK);
 200
 201         DECLARE("VM_MIN_ADDRESS",       VM_MIN_ADDRESS);
 202         DECLARE("VM_MAX_ADDRESS",       VM_MAX_ADDRESS);
 203         DECLARE("KERNELBASE",           VM_MIN_KERNEL_ADDRESS);
 204         DECLARE("KERNEL_STACK_SIZE",    KERNEL_STACK_SIZE);
 205
 206         DECLARE("KERN_INVALID_ADDRESS", KERN_INVALID_ADDRESS);
 207
 208         DECLARE("MAX_CPUS",     MAX_CPUS);
 209
 210         DECLARE("cdeSize",
 211                 sizeof(struct cpu_data_entry));
 212
 213         DECLARE("cdSize",
 214                 sizeof(struct cpu_data));
 215
 216         DECLARE("CPU_ACTIVE_THREAD",
 217                 offsetof(cpu_data_t, cpu_active_thread));
 218         DECLARE("CPU_ACTIVE_STACK",
 219                 offsetof(cpu_data_t, cpu_active_stack));
 220         DECLARE("CPU_ISTACKPTR",
 221                 offsetof(cpu_data_t, istackptr));
 222         DECLARE("CPU_INTSTACK_TOP",
 223                 offsetof(cpu_data_t, intstack_top));
 224         DECLARE("CPU_FIQSTACKPTR",
 225                 offsetof(cpu_data_t, fiqstackptr));
 226         DECLARE("CPU_FIQSTACK_TOP",
 227                 offsetof(cpu_data_t, fiqstack_top));
 228         DECLARE("CPU_NUMBER_GS",
 229                 offsetof(cpu_data_t,cpu_number));
 230         DECLARE("CPU_IDENT",
 231                 offsetof(cpu_data_t,cpu_ident));
 232         DECLARE("CPU_RUNNING",
 233                 offsetof(cpu_data_t,cpu_running));
 234         DECLARE("CPU_MCOUNT_OFF",
 235                 offsetof(cpu_data_t,cpu_mcount_off));
 236         DECLARE("CPU_PENDING_AST",
 237                 offsetof(cpu_data_t,cpu_pending_ast));
 238         DECLARE("CPU_PROCESSOR",
 239                 offsetof(cpu_data_t,cpu_processor));
 240         DECLARE("CPU_CACHE_DISPATCH",
 241                 offsetof(cpu_data_t,cpu_cache_dispatch));
 242         DECLARE("CPU_BASE_TIMEBASE_LOW",
 243                 offsetof(cpu_data_t,cpu_base_timebase_low));
 244         DECLARE("CPU_BASE_TIMEBASE_HIGH",
 245                 offsetof(cpu_data_t,cpu_base_timebase_high));
 246         DECLARE("CPU_TIMEBASE_LOW",
 247                 offsetof(cpu_data_t,cpu_timebase_low));
 248         DECLARE("CPU_TIMEBASE_HIGH",
 249                 offsetof(cpu_data_t,cpu_timebase_high));
 250         DECLARE("CPU_DECREMENTER",
 251                 offsetof(cpu_data_t,cpu_decrementer));
 252         DECLARE("CPU_GET_DECREMENTER_FUNC",
 253                 offsetof(cpu_data_t,cpu_get_decrementer_func));
 254         DECLARE("CPU_SET_DECREMENTER_FUNC",
 255                 offsetof(cpu_data_t,cpu_set_decrementer_func));
 256         DECLARE("CPU_GET_FIQ_HANDLER",
 257                 offsetof(cpu_data_t,cpu_get_fiq_handler));
 258         DECLARE("CPU_TBD_HARDWARE_ADDR",
 259                 offsetof(cpu_data_t,cpu_tbd_hardware_addr));
 260         DECLARE("CPU_TBD_HARDWARE_VAL",
 261                 offsetof(cpu_data_t,cpu_tbd_hardware_val));
 262         DECLARE("CPU_INT_STATE",
 263                 offsetof(cpu_data_t,cpu_int_state));
 264         DECLARE("INTERRUPT_HANDLER",
 265                 offsetof(cpu_data_t,interrupt_handler));
 266         DECLARE("INTERRUPT_TARGET",
 267                 offsetof(cpu_data_t,interrupt_target));
 268         DECLARE("INTERRUPT_REFCON",
 269                 offsetof(cpu_data_t,interrupt_refCon));
 270         DECLARE("INTERRUPT_NUB",
 271                 offsetof(cpu_data_t,interrupt_nub));
 272         DECLARE("INTERRUPT_SOURCE",
 273                 offsetof(cpu_data_t,interrupt_source));
 274         DECLARE("CPU_USER_DEBUG",
 275                 offsetof(cpu_data_t, cpu_user_debug));
 276         DECLARE("CPU_STAT_IRQ",
 277                 offsetof(cpu_data_t, cpu_stat.irq_ex_cnt));
 278         DECLARE("CPU_STAT_IRQ_WAKE",
 279                 offsetof(cpu_data_t, cpu_stat.irq_ex_cnt_wake));
 280         DECLARE("CPU_RESET_HANDLER",
 281                 offsetof(cpu_data_t, cpu_reset_handler));
 282         DECLARE("CPU_RESET_ASSIST",
 283                 offsetof(cpu_data_t, cpu_reset_assist));
 284         DECLARE("RTCLOCK_DATAP",
 285                 offsetof(cpu_data_t, rtclock_datap));
 286 #ifdef  __arm__
 287         DECLARE("CPU_EXC_VECTORS",
 288                 offsetof(cpu_data_t, cpu_exc_vectors));
 289 #endif
 290
 291         DECLARE("RTCLOCKDataSize",
 292                 sizeof(rtclock_data_t));
 293         DECLARE("RTCLOCK_ADJ_ABSTIME_LOW",
 294                 offsetof(rtclock_data_t, rtc_adj.abstime_val.low));
 295         DECLARE("RTCLOCK_ADJ_ABSTIME_HIGH",
 296                 offsetof(rtclock_data_t, rtc_adj.abstime_val.high));
 297         DECLARE("RTCLOCK_BASE_ABSTIME_LOW",
 298                 offsetof(rtclock_data_t, rtc_base.abstime_val.low));
 299         DECLARE("RTCLOCK_BASE_ABSTIME_HIGH",
 300                 offsetof(rtclock_data_t, rtc_base.abstime_val.high));
 301         DECLARE("RTCLOCK_TB_FUNC",
 302                 offsetof(rtclock_data_t, rtc_timebase_func));
 303         DECLARE("RTCLOCK_TB_ADDR",
 304                 offsetof(rtclock_data_t, rtc_timebase_addr));
 305         DECLARE("RTCLOCK_TB_VAL",
 306                 offsetof(rtclock_data_t, rtc_timebase_val));
 307
 308         DECLARE("SIGPdec",      SIGPdec);
 309
 310         DECLARE("rhdSize",
 311                 sizeof(struct reset_handler_data));
 312
 313         DECLARE("CPU_DATA_ENTRIES",     offsetof(struct reset_handler_data, cpu_data_entries));
 314         DECLARE("BOOT_ARGS",    offsetof(struct reset_handler_data, boot_args));
 315         DECLARE("ASSIST_RESET_HANDLER", offsetof(struct reset_handler_data, assist_reset_handler));
 316
 317         DECLARE("CPU_DATA_PADDR",       offsetof(struct cpu_data_entry, cpu_data_paddr));
 318
 319
 320         DECLARE("INTSTACK_SIZE",        INTSTACK_SIZE);
 321
 322         /* values from kern/timer.h */
 323         DECLARE("TIMER_LOW",
 324                 offsetof(struct timer, low_bits));
 325         DECLARE("TIMER_HIGH",
 326                 offsetof(struct timer, high_bits));
 327         DECLARE("TIMER_HIGHCHK",
 328                 offsetof(struct timer, high_bits_check));
 329         DECLARE("TIMER_TSTAMP",
 330                 offsetof(struct timer, tstamp));
 331         DECLARE("THREAD_TIMER",
 332                 offsetof(struct processor, processor_data.thread_timer));
 333         DECLARE("KERNEL_TIMER",
 334                 offsetof(struct processor, processor_data.kernel_timer));
 335         DECLARE("SYSTEM_STATE",
 336                 offsetof(struct processor, processor_data.system_state));
 337         DECLARE("USER_STATE",
 338                 offsetof(struct processor, processor_data.user_state));
 339         DECLARE("CURRENT_STATE",
 340                 offsetof(struct processor, processor_data.current_state));
 341
 342         DECLARE("SYSTEM_TIMER",
 343                 offsetof(struct thread, system_timer));
 344         DECLARE("USER_TIMER",
 345                 offsetof(struct thread, user_timer));
 346
 347 #if !CONFIG_SKIP_PRECISE_USER_KERNEL_TIME
 348         DECLARE("PRECISE_USER_KERNEL_TIME",
 349                 offsetof(struct thread, precise_user_kernel_time));
 350 #endif
 351
 352         DECLARE("BA_VIRT_BASE",
 353                 offsetof(struct boot_args, virtBase));
 354         DECLARE("BA_PHYS_BASE",
 355                 offsetof(struct boot_args, physBase));
 356         DECLARE("BA_MEM_SIZE",
 357                 offsetof(struct boot_args, memSize));
 358         DECLARE("BA_TOP_OF_KERNEL_DATA",
 359                 offsetof(struct boot_args, topOfKernelData));
 360
 361         DECLARE("ENTROPY_INDEX_PTR",
 362                 offsetof(entropy_data_t, index_ptr));
 363         DECLARE("ENTROPY_BUFFER",
 364                 offsetof(entropy_data_t, buffer));
 365         DECLARE("ENTROPY_DATA_SIZE", sizeof(struct entropy_data));
 366
 367         return (0);
 368 }