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1.1 ! root 1: /* ! 2: * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. ! 3: * ! 4: * @APPLE_LICENSE_HEADER_START@ ! 5: * ! 6: * The contents of this file constitute Original Code as defined in and ! 7: * are subject to the Apple Public Source License Version 1.1 (the ! 8: * "License"). You may not use this file except in compliance with the ! 9: * License. Please obtain a copy of the License at ! 10: * http://www.apple.com/publicsource and read it before using this file. ! 11: * ! 12: * This Original Code and all software distributed under the License are ! 13: * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER ! 14: * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, ! 15: * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, ! 16: * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the ! 17: * License for the specific language governing rights and limitations ! 18: * under the License. ! 19: * ! 20: * @APPLE_LICENSE_HEADER_END@ ! 21: */ ! 22: /* ! 23: * @OSF_COPYRIGHT@ ! 24: */ ! 25: /* ! 26: * Mach Operating System ! 27: * Copyright (c) 1991,1990 Carnegie Mellon University ! 28: * All Rights Reserved. ! 29: * ! 30: * Permission to use, copy, modify and distribute this software and its ! 31: * documentation is hereby granted, provided that both the copyright ! 32: * notice and this permission notice appear in all copies of the ! 33: * software, derivative works or modified versions, and any portions ! 34: * thereof, and that both notices appear in supporting documentation. ! 35: * ! 36: * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" ! 37: * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR ! 38: * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. ! 39: * ! 40: * Carnegie Mellon requests users of this software to return to ! 41: * ! 42: * Software Distribution Coordinator or [email protected] ! 43: * School of Computer Science ! 44: * Carnegie Mellon University ! 45: * Pittsburgh PA 15213-3890 ! 46: * ! 47: * any improvements or extensions that they make and grant Carnegie Mellon ! 48: * the rights to redistribute these changes. ! 49: */ ! 50: ! 51: #include <platforms.h> ! 52: #include <cpus.h> ! 53: #include <mach_kdb.h> ! 54: #include <mach_ldebug.h> ! 55: #include <stat_time.h> ! 56: ! 57: /* ! 58: * Pass field offsets to assembly code. ! 59: */ ! 60: #include <kern/ast.h> ! 61: #include <kern/thread.h> ! 62: #include <kern/task.h> ! 63: #include <kern/lock.h> ! 64: #include <kern/thread_act.h> ! 65: #include <kern/thread_pool.h> ! 66: #include <ipc/ipc_space.h> ! 67: #include <ipc/ipc_port.h> ! 68: #include <ipc/ipc_pset.h> ! 69: #include <kern/host.h> ! 70: #include <kern/misc_protos.h> ! 71: #include <kern/syscall_emulation.h> ! 72: #include <i386/thread.h> ! 73: #include <mach/i386/vm_param.h> ! 74: #include <i386/seg.h> ! 75: #include <i386/pmap.h> ! 76: #include <i386/tss.h> ! 77: #include <mach/rpc.h> ! 78: #include <vm/vm_map.h> ! 79: #if NCPUS > 1 ! 80: #include <i386/mp_desc.h> ! 81: #endif ! 82: ! 83: extern void kernel_preempt_check(void); ! 84: cpu_data_t cpu_data[NCPUS]; ! 85: ! 86: /* ! 87: * genassym.c is used to produce an ! 88: * assembly file which, intermingled with unuseful assembly code, ! 89: * has all the necessary definitions emitted. This assembly file is ! 90: * then postprocessed with sed to extract only these definitions ! 91: * and thus the final assyms.s is created. ! 92: * ! 93: * This convoluted means is necessary since the structure alignment ! 94: * and packing may be different between the host machine and the ! 95: * target so we are forced into using the cross compiler to generate ! 96: * the values, but we cannot run anything on the target machine. ! 97: */ ! 98: ! 99: #define offsetof(TYPE, MEMBER) ((size_t) &((TYPE)0)->MEMBER) ! 100: ! 101: #if 0 ! 102: #define DECLARE(SYM,VAL) \ ! 103: __asm("#DEFINITION#\t.set\t" SYM ",\t%0" : : "n" ((u_int)(VAL))) ! 104: #else ! 105: #define DECLARE(SYM,VAL) \ ! 106: __asm("#DEFINITION##define " SYM "\t%0" : : "n" ((u_int)(VAL))) ! 107: #endif ! 108: ! 109: int main( ! 110: int argc, ! 111: char ** argv); ! 112: ! 113: int ! 114: main( ! 115: int argc, ! 116: char **argv) ! 117: { ! 118: ! 119: DECLARE("AST_URGENT", AST_URGENT); ! 120: ! 121: #if MACH_LDEBUG ! 122: /* ! 123: * XXX ! 124: */ ! 125: #define SIMPLE_LOCK_TAG 0x5353 ! 126: #define MUTEX_TAG 0x4d4d ! 127: DECLARE("TH_MUTEX_COUNT", offsetof(thread_t, mutex_count)); ! 128: DECLARE("SIMPLE_LOCK_TAG", SIMPLE_LOCK_TAG); ! 129: DECLARE("MUTEX_TAG", MUTEX_TAG); ! 130: #endif /* MACH_LDEBUG */ ! 131: DECLARE("TH_RECOVER", offsetof(thread_t, recover)); ! 132: DECLARE("TH_CONTINUATION", offsetof(thread_t, continuation)); ! 133: DECLARE("TH_TOP_ACT", offsetof(thread_t, top_act)); ! 134: DECLARE("TH_KERNEL_STACK", offsetof(thread_t, kernel_stack)); ! 135: ! 136: DECLARE("TASK_EMUL", offsetof(task_t, eml_dispatch)); ! 137: DECLARE("TASK_MACH_EXC_PORT", ! 138: offsetof(task_t, exc_actions[EXC_MACH_SYSCALL].port)); ! 139: ! 140: /* These fields are being added on demand */ ! 141: DECLARE("ACT_MACH_EXC_PORT", ! 142: offsetof(thread_act_t, exc_actions[EXC_MACH_SYSCALL].port)); ! 143: ! 144: DECLARE("ACT_THREAD", offsetof(thread_act_t, thread)); ! 145: DECLARE("ACT_TASK", offsetof(thread_act_t, task)); ! 146: DECLARE("ACT_PCB", offsetof(thread_act_t, mact.pcb)); ! 147: DECLARE("ACT_KLOADED", offsetof(thread_act_t, kernel_loaded)); ! 148: DECLARE("ACT_KLOADING", offsetof(thread_act_t, kernel_loading)); ! 149: DECLARE("ACT_LOWER", offsetof(thread_act_t, lower)); ! 150: DECLARE("ACT_MAP", offsetof(thread_act_t, map)); ! 151: ! 152: DECLARE("MAP_PMAP", offsetof(vm_map_t, pmap)); ! 153: ! 154: /* XXX Until rpc buffers move from kernel stack to activation */ ! 155: DECLARE("RPC_CLIENT_BUF_SIZE", ! 156: 2 * RPC_KBUF_SIZE * sizeof(int) + ! 157: RPC_DESC_COUNT * sizeof(rpc_copy_state_data_t) + ! 158: 40 * sizeof(int)); ! 159: ! 160: DECLARE("HOST_NAME", offsetof(host_t, host_self)); ! 161: ! 162: DECLARE("DISP_MIN", offsetof(eml_dispatch_t, disp_min)); ! 163: DECLARE("DISP_COUNT", offsetof(eml_dispatch_t, disp_count)); ! 164: DECLARE("DISP_VECTOR", offsetof(eml_dispatch_t, disp_vector[0])); ! 165: ! 166: #define IKS ((size_t) (STACK_IKS(0))) ! 167: ! 168: DECLARE("KSS_EBX", IKS + offsetof(struct i386_kernel_state *, k_ebx)); ! 169: DECLARE("KSS_ESP", IKS + offsetof(struct i386_kernel_state *, k_esp)); ! 170: DECLARE("KSS_EBP", IKS + offsetof(struct i386_kernel_state *, k_ebp)); ! 171: DECLARE("KSS_EDI", IKS + offsetof(struct i386_kernel_state *, k_edi)); ! 172: DECLARE("KSS_ESI", IKS + offsetof(struct i386_kernel_state *, k_esi)); ! 173: DECLARE("KSS_EIP", IKS + offsetof(struct i386_kernel_state *, k_eip)); ! 174: ! 175: DECLARE("IKS_SIZE", sizeof(struct i386_kernel_state)); ! 176: DECLARE("IEL_SIZE", sizeof(struct i386_exception_link)); ! 177: ! 178: DECLARE("PCB_FPS", offsetof(pcb_t, ims.ifps)); ! 179: DECLARE("PCB_ISS", offsetof(pcb_t, iss)); ! 180: ! 181: DECLARE("FP_VALID", offsetof(struct i386_fpsave_state *,fp_valid)); ! 182: DECLARE("FP_SAVE_STATE", ! 183: offsetof(struct i386_fpsave_state *, fp_save_state)); ! 184: ! 185: DECLARE("R_CS", offsetof(struct i386_saved_state *, cs)); ! 186: DECLARE("R_SS", offsetof(struct i386_saved_state *, ss)); ! 187: DECLARE("R_UESP", offsetof(struct i386_saved_state *, uesp)); ! 188: DECLARE("R_EBP", offsetof(struct i386_saved_state *, ebp)); ! 189: DECLARE("R_EAX", offsetof(struct i386_saved_state *, eax)); ! 190: DECLARE("R_EBX", offsetof(struct i386_saved_state *, ebx)); ! 191: DECLARE("R_ECX", offsetof(struct i386_saved_state *, ecx)); ! 192: DECLARE("R_EDX", offsetof(struct i386_saved_state *, edx)); ! 193: DECLARE("R_ESI", offsetof(struct i386_saved_state *, esi)); ! 194: DECLARE("R_EDI", offsetof(struct i386_saved_state *, edi)); ! 195: DECLARE("R_TRAPNO", offsetof(struct i386_saved_state *, trapno)); ! 196: DECLARE("R_ERR", offsetof(struct i386_saved_state *, err)); ! 197: DECLARE("R_EFLAGS", offsetof(struct i386_saved_state *, efl)); ! 198: DECLARE("R_EIP", offsetof(struct i386_saved_state *, eip)); ! 199: DECLARE("R_CR2", offsetof(struct i386_saved_state *, cr2)); ! 200: DECLARE("ISS_SIZE", sizeof (struct i386_saved_state)); ! 201: ! 202: DECLARE("I_ECX", offsetof(struct i386_interrupt_state *, ecx)); ! 203: DECLARE("I_EIP", offsetof(struct i386_interrupt_state *, eip)); ! 204: DECLARE("I_CS", offsetof(struct i386_interrupt_state *, cs)); ! 205: DECLARE("I_EFL", offsetof(struct i386_interrupt_state *, efl)); ! 206: ! 207: DECLARE("NBPG", I386_PGBYTES); ! 208: DECLARE("VM_MIN_ADDRESS", VM_MIN_ADDRESS); ! 209: DECLARE("VM_MAX_ADDRESS", VM_MAX_ADDRESS); ! 210: DECLARE("KERNELBASE", VM_MIN_KERNEL_ADDRESS); ! 211: DECLARE("LINEAR_KERNELBASE", LINEAR_KERNEL_ADDRESS); ! 212: DECLARE("KERNEL_STACK_SIZE", KERNEL_STACK_SIZE); ! 213: ! 214: DECLARE("PDESHIFT", PDESHIFT); ! 215: DECLARE("PTESHIFT", PTESHIFT); ! 216: DECLARE("PTEMASK", PTEMASK); ! 217: ! 218: DECLARE("PTE_PFN", INTEL_PTE_PFN); ! 219: DECLARE("PTE_V", INTEL_PTE_VALID); ! 220: DECLARE("PTE_W", INTEL_PTE_WRITE); ! 221: DECLARE("PTE_INVALID", ~INTEL_PTE_VALID); ! 222: ! 223: DECLARE("IDTSZ", IDTSZ); ! 224: DECLARE("GDTSZ", GDTSZ); ! 225: DECLARE("LDTSZ", LDTSZ); ! 226: ! 227: DECLARE("KERNEL_CS", KERNEL_CS); ! 228: DECLARE("KERNEL_DS", KERNEL_DS); ! 229: DECLARE("USER_CS", USER_CS); ! 230: DECLARE("USER_DS", USER_DS); ! 231: DECLARE("KERNEL_TSS", KERNEL_TSS); ! 232: DECLARE("KERNEL_LDT", KERNEL_LDT); ! 233: #if MACH_KDB ! 234: DECLARE("DEBUG_TSS", DEBUG_TSS); ! 235: #endif /* MACH_KDB */ ! 236: ! 237: DECLARE("CPU_DATA", CPU_DATA); ! 238: DECLARE("CPD_ACTIVE_THREAD", ! 239: offsetof(cpu_data_t *, active_thread)); ! 240: #if MACH_RT ! 241: DECLARE("CPD_PREEMPTION_LEVEL", ! 242: offsetof(cpu_data_t *, preemption_level)); ! 243: #endif /* MACH_RT */ ! 244: DECLARE("CPD_INTERRUPT_LEVEL", ! 245: offsetof(cpu_data_t *, interrupt_level)); ! 246: DECLARE("CPD_SIMPLE_LOCK_COUNT", ! 247: offsetof(cpu_data_t *,simple_lock_count)); ! 248: ! 249: DECLARE("PTES_PER_PAGE", NPTES); ! 250: DECLARE("INTEL_PTE_KERNEL", INTEL_PTE_VALID|INTEL_PTE_WRITE); ! 251: ! 252: DECLARE("KERNELBASEPDE", ! 253: (LINEAR_KERNEL_ADDRESS >> PDESHIFT) * ! 254: sizeof(pt_entry_t)); ! 255: ! 256: DECLARE("TSS_ESP0", offsetof(struct i386_tss *, esp0)); ! 257: DECLARE("TSS_SS0", offsetof(struct i386_tss *, ss0)); ! 258: DECLARE("TSS_LDT", offsetof(struct i386_tss *, ldt)); ! 259: DECLARE("TSS_PDBR", offsetof(struct i386_tss *, cr3)); ! 260: DECLARE("TSS_LINK", offsetof(struct i386_tss *, back_link)); ! 261: ! 262: DECLARE("K_TASK_GATE", ACC_P|ACC_PL_K|ACC_TASK_GATE); ! 263: DECLARE("K_TRAP_GATE", ACC_P|ACC_PL_K|ACC_TRAP_GATE); ! 264: DECLARE("U_TRAP_GATE", ACC_P|ACC_PL_U|ACC_TRAP_GATE); ! 265: DECLARE("K_INTR_GATE", ACC_P|ACC_PL_K|ACC_INTR_GATE); ! 266: DECLARE("K_TSS", ACC_P|ACC_PL_K|ACC_TSS); ! 267: ! 268: /* ! 269: * usimple_lock fields ! 270: */ ! 271: DECLARE("USL_INTERLOCK", offsetof(usimple_lock_t, interlock)); ! 272: ! 273: DECLARE("INTSTACK_SIZE", INTSTACK_SIZE); ! 274: #if NCPUS > 1 ! 275: DECLARE("MP_GDT", offsetof(struct mp_desc_table *, gdt[0])); ! 276: DECLARE("MP_IDT", offsetof(struct mp_desc_table *, idt[0])); ! 277: #endif /* NCPUS > 1 */ ! 278: #if !STAT_TIME ! 279: DECLARE("LOW_BITS", offsetof(struct timer *, low_bits)); ! 280: DECLARE("HIGH_BITS", offsetof(struct timer *, high_bits)); ! 281: DECLARE("HIGH_BITS_CHECK", offsetof(struct timer *, high_bits_check)); ! 282: DECLARE("TIMER_HIGH_UNIT", TIMER_HIGH_UNIT); ! 283: DECLARE("TH_SYS_TIMER", offsetof(struct timer *, system_timer)); ! 284: DECLARE("TH_USER_TIMER", offsetof(struct timer *, user_timer)); ! 285: #endif ! 286: ! 287: return (0); ! 288: } ! 289: ! 290: ! 291: /* Dummy to keep linker quiet */ ! 292: void ! 293: kernel_preempt_check(void) ! 294: { ! 295: }
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