| * Copyright (c) 1999-2003 Apple Computer, Inc. All rights reserved.␊ |
| *␊ |
| * @APPLE_LICENSE_HEADER_START@␊ |
| * ␊ |
| *␊ |
| * Portions Copyright (c) 1999-2003 Apple Computer, Inc. All Rights␊ |
| * Reserved. This file contains Original Code and/or Modifications of␊ |
| * Original Code as defined in and that are subject to the Apple Public␊ |
|
| * 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.␊ |
| * ␊ |
| *␊ |
| * The 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,␊ |
|
| * 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@␊ |
| */␊ |
| ␊ |
| /* ␊ |
| /*␊ |
| * Mach Operating System␊ |
| * Copyright (c) 1990 Carnegie-Mellon University␊ |
| * Copyright (c) 1989 Carnegie-Mellon University␊ |
|
| /*␊ |
| *␉␉␉INTEL CORPORATION PROPRIETARY INFORMATION␊ |
| *␊ |
| *␉This software is supplied under the terms of a license␉agreement or ␊ |
| *␉nondisclosure agreement with Intel Corporation and may not be copied ␊ |
| *␉This software is supplied under the terms of a license␉agreement or␊ |
| *␉nondisclosure agreement with Intel Corporation and may not be copied␊ |
| *␉nor disclosed except in accordance with the terms of that agreement.␊ |
| *␊ |
| *␉Copyright 1988, 1989 by Intel Corporation␊ |
|
| extern char bss_end __asm("section$end$__DATA$__bss");␊ |
| extern char common_start __asm("section$start$__DATA$__common");␊ |
| extern char common_end __asm("section$end$__DATA$__common");␊ |
| ␉␊ |
| ␊ |
| ␉bzero(&bss_start, (&bss_end - &bss_start));␊ |
| ␉bzero(&common_start, (&common_end - &common_start));␊ |
| } ␊ |
| }␊ |
| ␊ |
| //==========================================================================␊ |
| // Malloc error function␊ |
|
| {␊ |
| ␉int␉␉␉ret;␊ |
| ␉entry_t␉␉kernelEntry;␊ |
| ␉␊ |
| ␊ |
| ␉bootArgs->kaddr = bootArgs->ksize = 0;␊ |
| ␉execute_hook("ExecKernel", (void*)binary, NULL, NULL, NULL);␊ |
| ␉␊ |
| ␊ |
| ␉ret = DecodeKernel(binary,␊ |
| ␉␉␉␉␉ &kernelEntry,␊ |
| ␉␉␉␉␉ (char **) &bootArgs->kaddr,␊ |
| ␉␉␉␉␉ (int *)&bootArgs->ksize );␊ |
| ␉␊ |
| ␊ |
| ␉if ( ret != 0 )␊ |
| ␉␉return ret;␊ |
| ␉␊ |
| ␊ |
| ␉// Reserve space for boot args␊ |
| ␉reserveKernBootStruct();␊ |
| ␉␊ |
| ␊ |
| ␉// Notify modules that the kernel has been decoded␊ |
| ␉execute_hook("DecodedKernel", (void*)binary, (void*)bootArgs->kaddr, (void*)bootArgs->ksize, NULL);␊ |
| ␉␊ |
| ␊ |
| ␉setupFakeEfi();␊ |
| ␉␊ |
| ␊ |
| ␉// Load boot drivers from the specifed root path.␊ |
| ␉//if (!gHaveKernelCache)␊ |
| ␉LoadDrivers("/");␊ |
| ␉␊ |
| ␊ |
| ␉execute_hook("DriversLoaded", (void*)binary, NULL, NULL, NULL);␊ |
| ␉␊ |
| ␊ |
| ␉clearActivityIndicator();␊ |
| ␉␊ |
| ␊ |
| ␉if (gErrors) {␊ |
| ␉␉printf("Errors encountered while starting up the computer.\n");␊ |
| ␉␉printf("Pausing %d seconds...\n", kBootErrorTimeout);␊ |
| ␉␉sleep(kBootErrorTimeout);␊ |
| ␉}␊ |
| ␉␊ |
| ␊ |
| ␉md0Ramdisk();␊ |
| ␉␊ |
| ␊ |
| ␉verbose("Starting Darwin %s\n",( archCpuType == CPU_TYPE_I386 ) ? "x86" : "x86_64");␊ |
| ␉verbose("Boot Args: %s\n", bootArgs->CommandLine);␊ |
| ␊ |
| ␉// Cleanup the PXE base code.␊ |
| ␉␊ |
| ␊ |
| ␉if ( (gBootFileType == kNetworkDeviceType) && gUnloadPXEOnExit ) {␊ |
| ␉␉if ( (ret = nbpUnloadBaseCode()) != nbpStatusSuccess )␊ |
| ␉␉{␊ |
|
| ␉␉␉sleep(2);␊ |
| ␉␉}␊ |
| ␉}␊ |
| ␉␊ |
| ␊ |
| ␉bool dummyVal;␊ |
| ␉if (getBoolForKey(kWaitForKeypressKey, &dummyVal, &bootInfo->chameleonConfig) && dummyVal) {␊ |
| ␉␉showTextBuffer(msgbuf, strlen(msgbuf));␊ |
| ␉}␊ |
| ␉␊ |
| ␊ |
| ␉usb_loop();␊ |
| ␊ |
| ␉// If we were in text mode, switch to graphics mode.␊ |
|
| ␉␉setVideoMode( GRAPHICS_MODE, 0 );␊ |
| ␉else␊ |
| ␉␉drawBootGraphics();␊ |
| ␉␊ |
| ␊ |
| ␉setupBooterLog();␊ |
| ␉␊ |
| ␊ |
| ␉finalizeBootStruct();␊ |
| ␉␊ |
| ␊ |
| ␉// Jump to kernel's entry point. There's no going back now.␊ |
| ␉if ((checkOSVersion("10.7")) || (checkOSVersion("10.8")) || (checkOSVersion("10.9")))␊ |
| ␉{␊ |
|
| ␉␉// Masking out so that Lion doesn't doublefault␊ |
| ␉␉outb(0x21, 0xff);␉/* Maskout all interrupts Pic1 */␊ |
| ␉␉outb(0xa1, 0xff);␉/* Maskout all interrupts Pic2 */␊ |
| ␉␉␊ |
| ␊ |
| ␉␉startprog( kernelEntry, bootArgs );␊ |
| ␉}␊ |
| ␉else {␊ |
|
| ␊ |
| ␉␉startprog( kernelEntry, bootArgsPreLion );␊ |
| ␉}␊ |
| ␉␊ |
| ␊ |
| ␉// Not reached␊ |
| ␉return 0;␊ |
| }␊ |
|
| ␉int␉␉␉␉status;␊ |
| ␉unsigned int␉allowBVFlags = kBVFlagSystemVolume | kBVFlagForeignBoot;␊ |
| ␉unsigned int␉denyBVFlags = kBVFlagEFISystem;␊ |
| ␉␊ |
| ␊ |
| ␉// Set reminder to unload the PXE base code. Neglect to unload␊ |
| ␉// the base code will result in a hang or kernel panic.␊ |
| ␉gUnloadPXEOnExit = true;␊ |
| ␉␊ |
| ␊ |
| ␉// Record the device that the booter was loaded from.␊ |
| ␉gBIOSDev = biosDevAndPart & kBIOSDevMask;␊ |
| ␉gBootPartition = ((biosDevAndPart & 0xFF00) >> 8);␊ |
| ␉␊ |
| ␊ |
| ␉// Initialize boot info structure.␊ |
| ␉initKernBootStruct();␊ |
| ␉␊ |
| ␊ |
| ␉initBooterLog();␊ |
| ␉␊ |
| ␊ |
| ␉// Setup VGA text mode.␊ |
| ␉// Not sure if it is safe to call setVideoMode() before the␊ |
| ␉// config table has been loaded. Call video_mode() instead.␊ |
| ␉video_mode( 2 ); // 80x25 mono text mode.␊ |
| ␉␊ |
| ␊ |
| ␉// Scan and record the system's hardware information.␊ |
| ␉scan_platform();␊ |
| ␉␊ |
| ␊ |
| ␉// First get info for boot volume.␊ |
| ␉scanBootVolumes(gBIOSDev, 0);␊ |
| ␉bvChain = getBVChainForBIOSDev(gBIOSDev);␊ |
| ␉setBootGlobals(bvChain);␊ |
| ␉␊ |
| ␊ |
| ␉// Load boot.plist config file␊ |
| ␉status = loadChameleonConfig(&bootInfo->chameleonConfig);␊ |
| ␉␊ |
| ␊ |
| ␉if (getBoolForKey(kQuietBootKey, &quiet, &bootInfo->chameleonConfig) && quiet) {␊ |
| ␉␉gBootMode |= kBootModeQuiet;␊ |
| ␉}␊ |
| ␉␊ |
| ␊ |
| ␉// Override firstRun to get to the boot menu instantly by setting "Instant Menu"=y in system config␊ |
| ␉if (getBoolForKey(kInstantMenuKey, &instantMenu, &bootInfo->chameleonConfig) && instantMenu) {␊ |
| ␉␉firstRun = false;␊ |
| ␉}␊ |
| ␉␊ |
| ␊ |
| ␉// Loading preboot ramdisk if exists.␊ |
| ␉loadPrebootRAMDisk();␊ |
| ␉␊ |
| ␊ |
| ␉// Disable rescan option by default␊ |
| ␉gEnableCDROMRescan = false;␊ |
| ␉␊ |
| ␊ |
| ␉// Enable it with Rescan=y in system config␊ |
| ␉if (getBoolForKey(kRescanKey, &gEnableCDROMRescan, &bootInfo->chameleonConfig)␊ |
| ␉␉&& gEnableCDROMRescan) {␊ |
| ␉␉gEnableCDROMRescan = true;␊ |
| ␉}␊ |
| ␉␊ |
| ␊ |
| ␉// Ask the user for Rescan option by setting "Rescan Prompt"=y in system config.␊ |
| ␉rescanPrompt = false;␊ |
| ␉if (getBoolForKey(kRescanPromptKey, &rescanPrompt , &bootInfo->chameleonConfig)␊ |
|
| ␉{␊ |
| ␉␉gEnableCDROMRescan = promptForRescanOption();␊ |
| ␉}␊ |
| ␉␊ |
| ␊ |
| ␉// Enable touching a single BIOS device only if "Scan Single Drive"=y is set in system config.␊ |
| ␉if (getBoolForKey(kScanSingleDriveKey, &gScanSingleDrive, &bootInfo->chameleonConfig)␊ |
| ␉␉&& gScanSingleDrive) {␊ |
| ␉␉gScanSingleDrive = true;␊ |
| ␉}␊ |
| ␉␊ |
| ␊ |
| ␉// Create a list of partitions on device(s).␊ |
| ␉if (gScanSingleDrive) {␊ |
| ␉␉scanBootVolumes(gBIOSDev, &bvCount);␊ |
| ␉} else {␊ |
| ␉␉scanDisks(gBIOSDev, &bvCount);␊ |
| ␉}␊ |
| ␉␊ |
| ␊ |
| ␉// Create a separated bvr chain using the specified filters.␊ |
| ␉bvChain = newFilteredBVChain(0x80, 0xFF, allowBVFlags, denyBVFlags, &gDeviceCount);␊ |
| ␉␊ |
| ␊ |
| ␉gBootVolume = selectBootVolume(bvChain);␊ |
| ␉␊ |
| ␉// Intialize module system ␊ |
| ␊ |
| ␉// Intialize module system␊ |
| ␉init_module_system();␊ |
| ␉␉␊ |
| ␊ |
| #if DEBUG␊ |
| ␉printf("gBIOSDev=%d\n", gBIOSDev);␊ |
| ␉printf("gBootPartition=%d\n", gBootPartition);␊ |
| ␉␊ |
| ␊ |
| ␉printf(" gBootVolume: %d, ->biosdev: %d, ->part_no: %d ->flags: %d\n",␊ |
| ␉␉␉ gBootVolume, gBootVolume->biosdev, gBootVolume->part_no, gBootVolume->flags);␊ |
| ␉printf(" gBIOSBootVolume==bt(0,0): %d, ->biosdev: %d, ->part_no: %d ->flags: %d\n",␊ |
| ␉␉␉ gBIOSBootVolume, gBIOSBootVolume->biosdev, gBIOSBootVolume->part_no, gBIOSBootVolume->flags);␊ |
| ␉␊ |
| ␊ |
| ␉for (BVRef bvr = bvChain; bvr; bvr = bvr->next)␊ |
| ␉{␊ |
| ␉␉printf(" chain: %d, dev: %d, part: %d, flags: %d, ver:%s vis: %d\n", bvr, bvr->biosdev, bvr->part_no, bvr->flags, bvr->OSVersion, bvr->visible);␊ |
|
| ␉getchar();␊ |
| #endif␊ |
| ␊ |
| ␉␊ |
| ␊ |
| ␉useGUI = true;␊ |
| ␉// Override useGUI default␊ |
| ␉getBoolForKey(kGUIKey, &useGUI, &bootInfo->chameleonConfig);␊ |
|
| ␉␉// initGUI() returned with an error, disabling GUI.␊ |
| ␉␉useGUI = false;␊ |
| ␉}␊ |
| ␉␊ |
| ␊ |
| ␉setBootGlobals(bvChain);␊ |
| ␉␊ |
| ␊ |
| ␉// Parse args, load and start kernel.␊ |
| ␉while (1)␊ |
| ␉{␊ |
|
| ␉␉int␉␉␉len, ret = -1;␊ |
| ␉␉long␉␉flags, sleeptime, time;␊ |
| ␉␉void␉␉*binary = (void *)kLoadAddr;␊ |
| ␉␉␊ |
| ␊ |
| ␉␉char bootFile[sizeof(bootInfo->bootFile)];␊ |
| ␉␉char␉␉bootFilePath[512];␊ |
| ␉␉char␉␉kernelCacheFile[512];␊ |
|
| ␉␉// Initialize globals.␊ |
| ␉␉sysConfigValid = false;␊ |
| ␉␉gErrors␉␉ = false;␊ |
| ␉␉␊ |
| ␊ |
| ␉␉status = getBootOptions(firstRun);␊ |
| ␉␉firstRun = false;␊ |
| ␉␉if (status == -1) continue;␊ |
| ␉␉ ␊ |
| ␊ |
| ␉␉status = processBootOptions();␊ |
| ␉␉// Status == 1 means to chainboot␊ |
| ␉␉if ( status ==␉1 ) break;␊ |
|
| ␉␉␉if (gBootVolume == NULL)␊ |
| ␉␉␉{␊ |
| ␉␉␉␉freeFilteredBVChain(bvChain);␊ |
| ␉␉␉␉␊ |
| ␊ |
| ␉␉␉␉if (gEnableCDROMRescan)␊ |
| ␉␉␉␉␉rescanBIOSDevice(gBIOSDev);␊ |
| ␉␉␉␉␊ |
| ␊ |
| ␉␉␉␉bvChain = newFilteredBVChain(0x80, 0xFF, allowBVFlags, denyBVFlags, &gDeviceCount);␊ |
| ␉␉␉␉setBootGlobals(bvChain);␊ |
| ␉␉␉␉setupDeviceList(&bootInfo->themeConfig);␊ |
| ␉␉␉}␊ |
| ␉␉␉continue;␊ |
| ␉␉}␊ |
| ␉␉␊ |
| ␊ |
| ␉␉// Other status (e.g. 0) means that we should proceed with boot.␊ |
| ␉␉␊ |
| ␊ |
| ␉␉// Turn off any GUI elements␊ |
| ␉␉if ( bootArgs->Video.v_display == GRAPHICS_MODE )␊ |
| ␉␉{␊ |
|
| ␉␉␉drawBackground();␊ |
| ␉␉␉updateVRAM();␊ |
| ␉␉}␊ |
| ␉␉␊ |
| ␊ |
| ␉␉// Find out which version mac os we're booting.␊ |
| ␉␉getOSVersion();␊ |
| ␉␉␊ |
| ␊ |
| ␉␉if (platformCPUFeature(CPU_FEATURE_EM64T)) {␊ |
| ␉␉␉archCpuType = CPU_TYPE_X86_64;␊ |
| ␉␉} else {␊ |
| ␉␉␉archCpuType = CPU_TYPE_I386;␊ |
| ␉␉}␊ |
| ␉␉␊ |
| ␊ |
| ␉␉if (getValueForKey(karch, &val, &len, &bootInfo->chameleonConfig)) {␊ |
| ␉␉␉if (strncmp(val, "i386", 4) == 0) {␊ |
| ␉␉␉␉archCpuType = CPU_TYPE_I386;␊ |
| ␉␉␉}␊ |
| ␉␉}␊ |
| ␉␉␊ |
| ␊ |
| ␉␉if (getValueForKey(kKernelArchKey, &val, &len, &bootInfo->chameleonConfig)) {␊ |
| ␉␉␉if (strncmp(val, "i386", 4) == 0) {␊ |
| ␉␉␉␉archCpuType = CPU_TYPE_I386;␊ |
| ␉␉␉}␊ |
| ␉␉}␊ |
| ␉␉␊ |
| ␊ |
| ␉␉// Notify modules that we are attempting to boot␊ |
| ␉␉execute_hook("PreBoot", NULL, NULL, NULL, NULL);␊ |
| ␉␉␊ |
| ␊ |
| ␉␉if (!getBoolForKey (kWake, &tryresume, &bootInfo->chameleonConfig)) {␊ |
| ␉␉␉tryresume = true;␊ |
| ␉␉␉tryresumedefault = true;␊ |
| ␉␉} else {␊ |
| ␉␉␉tryresumedefault = false;␊ |
| ␉␉}␊ |
| ␉␉␊ |
| ␊ |
| ␉␉if (!getBoolForKey (kForceWake, &forceresume, &bootInfo->chameleonConfig)) {␊ |
| ␉␉␉forceresume = false;␊ |
| ␉␉}␊ |
| ␉␉␊ |
| ␊ |
| ␉␉if (forceresume) {␊ |
| ␉␉␉tryresume = true;␊ |
| ␉␉␉tryresumedefault = false;␊ |
| ␉␉}␊ |
| ␉␉␊ |
| ␊ |
| ␉␉while (tryresume) {␊ |
| ␉␉␉const char *tmp;␊ |
| ␉␉␉BVRef bvr;␊ |
| ␉␉␉if (!getValueForKey(kWakeImage, &val, &len, &bootInfo->chameleonConfig))␊ |
| ␉␉␉␉val = "/private/var/vm/sleepimage";␊ |
| ␉␉␉␊ |
| ␊ |
| ␉␉␉// Do this first to be sure that root volume is mounted␊ |
| ␉␉␉ret = GetFileInfo(0, val, &flags, &sleeptime);␊ |
| ␉␉␉␊ |
| ␊ |
| ␉␉␉if ((bvr = getBootVolumeRef(val, &tmp)) == NULL)␊ |
| ␉␉␉␉break;␊ |
| ␉␉␉␊ |
| ␊ |
| ␉␉␉// Can't check if it was hibernation Wake=y is required␊ |
| ␉␉␉if (bvr->modTime == 0 && tryresumedefault)␊ |
| ␉␉␉␉break;␊ |
| ␉␉␉␊ |
| ␊ |
| ␉␉␉if ((ret != 0) || ((flags & kFileTypeMask) != kFileTypeFlat))␊ |
| ␉␉␉␉break;␊ |
| ␉␉␉␊ |
| ␊ |
| ␉␉␉if (!forceresume && ((sleeptime+3)<bvr->modTime)) {␊ |
| #if DEBUG␉␊ |
| #if DEBUG␊ |
| ␉␉␉␉printf ("Hibernate image is too old by %d seconds. Use ForceWake=y to override\n",␊ |
| ␉␉␉␉␉␉bvr->modTime-sleeptime);␊ |
| #endif␉␉␉␉ ␊ |
| #endif␊ |
| ␉␉␉␉break;␊ |
| ␉␉␉}␊ |
| ␉␉␉␊ |
| ␊ |
| ␉␉␉HibernateBoot((char *)val);␊ |
| ␉␉␉break;␊ |
| ␉␉}␊ |
| ␉␉␊ |
| ␊ |
| ␉␉verbose("Loading Darwin %s\n", gMacOSVersion);␊ |
| ␊ |
| ␉␉getBoolForKey(kUseKernelCache, &useKernelCache, &bootInfo->chameleonConfig);␊ |
|
| ␉␉␉␉useKernelCache = false;␊ |
| ␊ |
| ␉␉} while(0);␊ |
| ␉␉␊ |
| ␊ |
| ␉␉do {␊ |
| ␉␉␉if (useKernelCache) {␊ |
| ␉␉␉␉ret = LoadKernelCache(kernelCacheFile, &binary);␊ |
|
| ␉␉␉␉// No alternate location found, using the original kernel image path.␊ |
| ␉␉␉␉strlcpy(bootFilePath, bootFile,sizeof(bootFilePath));␊ |
| ␉␉␉}␊ |
| ␉␉␉␊ |
| ␊ |
| ␉␉␉verbose("Loading kernel %s\n", bootFilePath);␊ |
| ␉␉␉ret = LoadThinFatFile(bootFilePath, &binary);␊ |
| ␉␉␉if (ret <= 0 && archCpuType == CPU_TYPE_X86_64)␊ |
|
| ␉␉␉␉ret = LoadThinFatFile(bootFilePath, &binary);␊ |
| ␉␉␉}␊ |
| ␉␉} while (0);␊ |
| ␉␉␊ |
| ␊ |
| ␉␉clearActivityIndicator();␊ |
| ␉␉␊ |
| ␊ |
| #if DEBUG␊ |
| ␉␉printf("Pausing...");␊ |
| ␉␉sleep(8);␊ |
| #endif␊ |
| ␉␉␊ |
| ␊ |
| ␉␉if (ret <= 0) {␊ |
| ␉␉␉printf("Can't find %s\n", bootFile);␊ |
| ␉␉␉sleep(1);␊ |
| ␉␉␉␊ |
| ␊ |
| ␉␉␉if (gBootFileType == kNetworkDeviceType) {␊ |
| ␉␉␉␉// Return control back to PXE. Don't unload PXE base code.␊ |
| ␉␉␉␉gUnloadPXEOnExit = false;␊ |
|
| ␉␉␉ret = ExecKernel(binary);␊ |
| ␉␉}␊ |
| ␉}␊ |
| ␉␊ |
| ␊ |
| ␉// chainboot␊ |
| ␉if (status == 1) {␊ |
| ␉␉// if we are already in graphics-mode,␊ |
|
| ␉␉␉setVideoMode(VGA_TEXT_MODE, 0); // switch back to text mode.␊ |
| ␉␉}␊ |
| ␉}␊ |
| ␉␊ |
| ␊ |
| ␉if ((gBootFileType == kNetworkDeviceType) && gUnloadPXEOnExit) {␊ |
| ␉␉nbpUnloadBaseCode();␊ |
| ␉}␊ |
|
| ␉CacheReset();␊ |
| ␉diskFreeMap(oldMap);␊ |
| ␉oldMap = NULL;␊ |
| ␉␊ |
| ␊ |
| ␉int dev = selectAlternateBootDevice(gBIOSDev);␊ |
| ␉␊ |
| ␊ |
| ␉BVRef bvchain = scanBootVolumes(dev, 0);␊ |
| ␉BVRef bootVol = selectBootVolume(bvchain);␊ |
| ␉gBootVolume = bootVol;␊ |
|
| }␊ |
| */␊ |
| ␊ |
| bool checkOSVersion(const char * version) ␊ |
| bool checkOSVersion(const char * version)␊ |
| {␊ |
| ␉return ((gMacOSVersion[0] == version[0]) && (gMacOSVersion[1] == version[1])␊ |
| ␉␉␉&& (gMacOSVersion[2] == version[2]) && (gMacOSVersion[3] == version[3]));␊ |
|
| ␉unsigned long s2 = 0; // (adler >> 16) & 0xffff;␊ |
| ␉unsigned long result;␊ |
| ␉int k;␊ |
| ␉␊ |
| ␊ |
| ␉while (len > 0) {␊ |
| ␉␉k = len < NMAX ? len : NMAX;␊ |
| ␉␉len -= k;␊ |
