/* * Copyright (c) 2003 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * The contents of this file constitute Original Code as defined in and * are subject to the Apple Public Source License Version 1.1 (the * "License"). You may not use this file except in compliance with the * License. Please obtain a copy of the License at * http://www.apple.com/publicsource and read it before using this file. * * This Original Code and all software distributed under the License are * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the * License for the specific language governing rights and limitations * under the License. * * @APPLE_LICENSE_HEADER_END@ */ /* * @OSF_COPYRIGHT@ */ /* * Mach Operating System * Copyright (c) 1991,1990,1989, 1988 Carnegie Mellon University * All Rights Reserved. * * Permission to use, copy, modify and distribute this software and its * documentation is hereby granted, provided that both the copyright * notice and this permission notice appear in all copies of the * software, derivative works or modified versions, and any portions * thereof, and that both notices appear in supporting documentation. * * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. * * Carnegie Mellon requests users of this software to return to * * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU * School of Computer Science * Carnegie Mellon University * Pittsburgh PA 15213-3890 * * any improvements or extensions that they make and grant Carnegie Mellon * the rights to redistribute these changes. */ #include <cpus.h> #include <platforms.h> #include <mach_kdb.h> #include <himem.h> #include <fast_idle.h> #include <mach/i386/vm_param.h> #include <string.h> #include <mach/vm_param.h> #include <mach/vm_prot.h> #include <mach/machine.h> #include <mach/time_value.h> #include <kern/etap_macros.h> #include <kern/spl.h> #include <kern/assert.h> #include <kern/debug.h> #include <kern/misc_protos.h> #include <kern/startup.h> #include <kern/clock.h> #include <kern/time_out.h> #include <kern/xpr.h> #include <kern/cpu_data.h> #include <kern/processor.h> #include <vm/vm_page.h> #include <vm/pmap.h> #include <vm/vm_kern.h> #include <i386/fpu.h> #include <i386/pmap.h> #include <i386/ipl.h> #include <i386/pio.h> #include <i386/misc_protos.h> #include <i386/cpuid.h> #include <i386/rtclock_entries.h> #include <i386/mp.h> #if MACH_KDB #include <ddb/db_aout.h> #endif /* MACH_KDB */ #include <ddb/tr.h> #ifdef __MACHO__ #include <mach/boot_info.h> #include <mach/thread_status.h> static KernelBootArgs_t *kernelBootArgs; #endif vm_offset_t boot_args_start = 0; /* pointer to kernel arguments, set in start.s */ #ifdef __MACHO__ #include <mach-o/loader.h> vm_offset_t edata, etext, end; /* * Called first for a mach-o kernel before paging is set up. * Returns the first available physical address in memory. */ unsigned long i386_preinit() { struct segment_command *sgp; struct section *sp; sgp = (struct segment_command *) getsegbyname("__DATA"); if (sgp) { sp = (struct section *) firstsect(sgp); if (sp) { do { if (sp->flags & S_ZEROFILL) bzero((char *) sp->addr, sp->size); } while (sp = (struct section *)nextsect(sgp, sp)); } } kernelBootArgs = (KernelBootArgs_t *) boot_args_start; end = round_page( kernelBootArgs->kaddr + kernelBootArgs->ksize ); return end; } #endif extern const char version[]; extern const char version_variant[]; /* * Cpu initialization. Running virtual, but without MACH VM * set up. First C routine called, unless i386_preinit() was called first. */ void i386_init(void) { unsigned int maxmem; cpu_init(); /* * Setup some processor related structures to satisfy funnels. * Must be done before using unparallelized device drivers. */ processor_ptr[0] = &processor_array[0]; master_cpu = 0; master_processor = cpu_to_processor(master_cpu); PE_init_platform(FALSE, kernelBootArgs); /* * Set up initial thread so current_thread() works early on */ thread_bootstrap(); printf_init(); /* Init this in case we need debugger */ panic_init(); /* Init this in case we need debugger */ /* setup debugging output if one has been chosen */ PE_init_kprintf(FALSE); kprintf("kprintf initialized\n"); /* setup console output */ PE_init_printf(FALSE); kprintf("version_variant = %s\n", version_variant); kprintf("version = %s\n", version); /* * VM initialization, after this we're using page tables... * The maximum number of cpus must be set beforehand. */ if (!PE_parse_boot_arg("maxmem", &maxmem)) maxmem=0; else maxmem = maxmem * (1024 * 1024); if (PE_parse_boot_arg("cpus", &wncpu)) { if (!((wncpu > 0) && (wncpu < NCPUS))) wncpu = NCPUS; } else wncpu = NCPUS; i386_vm_init(maxmem, kernelBootArgs); PE_init_platform(TRUE, kernelBootArgs); /* create the console for verbose or pretty mode */ PE_create_console(); machine_startup(); }