Chameleon

Chameleon Commit Details

Date:2011-08-14 11:22:58 (8 years 2 months ago)
Author:Azimutz
Commit:1374
Parents: 1373
Message:Revert and fix.
Changes:
M/trunk/i386/boot2/boot.c

File differences

trunk/i386/boot2/boot.c
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* 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
* Source License Version 2.0 (the "License"). You may not use this file
* Source License Version 2.0 (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.
*
* @APPLE_LICENSE_HEADER_END@
*/
/*
* Mach Operating System
* Copyright (c) 1990 Carnegie-Mellon University
* Copyright (c) 1989 Carnegie-Mellon University
* All rights reserved. The CMU software License Agreement specifies
* All rights reserved. The CMU software License Agreement specifies
* the terms and conditions for use and redistribution.
*/
/*
* INTEL CORPORATION PROPRIETARY INFORMATION
*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
* nor disclosed except in accordance with the terms of that agreement.
*This software is supplied under the terms of a licenseagreement 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
*Copyright 1988, 1989 by Intel Corporation
*/
/*
* Reworked again by Curtis Galloway (galloway@NeXT.com)
*/
#include "boot.h"
#include "bootstruct.h"
#include "fake_efi.h"
bool gEnableCDROMRescan;
bool gScanSingleDrive;
int bvCount = 0;
intbvCount = 0;
//intmenucount = 0;
int gDeviceCount = 0;
intgDeviceCount = 0;
BVRef bvr;
BVRef menuBVR;
BVRef bvChain;
bool useGUI;
BVRefbvr;
BVRefmenuBVR;
BVRefbvChain;
booluseGUI;
//static void selectBiosDevice(void);
static unsigned long Adler32(unsigned char *buffer, long length);
{
extern char _DATA__bss__begin, _DATA__bss__end;
extern char _DATA__common__begin, _DATA__common__end;
bzero(&_DATA__bss__begin, (&_DATA__bss__end - &_DATA__bss__begin));
bzero(&_DATA__common__begin, (&_DATA__common__end - &_DATA__common__begin));
}
}
//==========================================================================
//Initializes the runtime. Right now this means zeroing the BSS and initializing malloc.
//Initializes the runtime.Right now this means zeroing the BSS and initializing malloc.
//
void initialize_runtime(void)
{
// Notify modules that the kernel has been decoded
execute_hook("DecodedKernel", (void*)binary, NULL, NULL, NULL);
setupFakeEfi();
setupFakeEfi();
// Load boot drivers from the specifed root path.
//if (!gHaveKernelCache)
LoadDrivers("/");
//if (!gHaveKernelCache)
LoadDrivers("/");
execute_hook("DriversLoaded", (void*)binary, NULL, NULL, NULL);
execute_hook("DriversLoaded", (void*)binary, NULL, NULL, NULL);
clearActivityIndicator();
if (gErrors) {
printf("Pausing %d seconds...\n", kBootErrorTimeout);
sleep(kBootErrorTimeout);
}
md0Ramdisk();
verbose("Starting Darwin %s\n",( archCpuType == CPU_TYPE_I386 ) ? "x86" : "x86_64");
usb_loop();
if (checkOSVersion("10.7"))
{
execute_hook("Kernel Start", (void*)kernelEntry, (void*)bootArgs, NULL, NULL);// Notify modules that the kernel is about to be started
}
else
{
execute_hook("Kernel Start", (void*)kernelEntry, (void*)bootArgsPreLion, NULL, NULL);// Notify modules that the kernel is about to be started
}
// Notify modules that the kernel is about to be started
if (checkOSVersion("10.7"))
{
execute_hook("Kernel Start", (void*)kernelEntry, (void*)bootArgs, NULL, NULL);
}
else
{
execute_hook("Kernel Start", (void*)kernelEntry, (void*)bootArgsPreLion, NULL, NULL);
}
// If we were in text mode, switch to graphics mode.
// This will draw the boot graphics unless we are in
// verbose mode.
if(gVerboseMode)
if (gVerboseMode)
setVideoMode( GRAPHICS_MODE, 0 );
else
drawBootGraphics();
finalizeBootStruct();
if (checkOSVersion("10.7")) {
// Jump to kernel's entry point. There's no going back now.
if (checkOSVersion("10.7")) {
// Masking out so that Lion doesn't doublefault
outb(0x21, 0xff);/* Maskout all interrupts Pic1 */
outb(0xa1, 0xff);/* Maskout all interrupts Pic2 */
// Jump to kernel's entry point. There's no going back now.
startprog( kernelEntry, bootArgs );
}
else {
// Jump to kernel's entry point. There's no going back now.
startprog( kernelEntry, bootArgsPreLion );
}
// Not reached
return 0;
}
// from a block device, or by the network booter.
//
// arguments:
// biosdev - Value passed from boot1/NBP to specify the device
// that the booter was loaded from.
// biosdev - Value passed from boot1/NBP to specify the device
// that the booter was loaded from.
//
// If biosdev is kBIOSDevNetwork, then this function will return if
// booting was unsuccessful. This allows the PXE firmware to try the
// next boot device on its list.
void common_boot(int biosdev)
{
int status;
char *bootFile;
unsigned long adler32;
bool quiet;
bool firstRun = true;
bool instantMenu;
bool rescanPrompt;
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 = biosdev & kBIOSDevMask;
// Initialize boot info structure.
initKernBootStruct();
intstatus;
char *bootFile;
unsigned longadler32;
bool quiet;
bool firstRun = true;
bool instantMenu;
bool rescanPrompt;
unsigned intallowBVFlags = kBVFlagSystemVolume | kBVFlagForeignBoot;
unsigned intdenyBVFlags = 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 = biosdev & kBIOSDevMask;
// 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.
// Setup VGA text mode.
// Not sure if it is safe to call setVideoMode() before the
// config table has been loaded. Call video_mode() instead.
#if DEBUG
printf("before video_mode\n");
printf("before video_mode\n");
#endif
video_mode( 2 ); // 80x25 mono text mode.
video_mode( 2 ); // 80x25 mono text mode.
#if DEBUG
printf("after video_mode\n");
printf("after video_mode\n");
#endif
// 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(kInsantMenuKey, &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) && rescanPrompt && biosDevIsCDROM(gBIOSDev)) {
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);
// 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(kInsantMenuKey, &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)
&& rescanPrompt && biosDevIsCDROM(gBIOSDev))
{
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
init_module_system();
#if DEBUG
printf(" Default: %d, ->biosdev: %d, ->part_no: %d ->flags: %d\n", gBootVolume, gBootVolume->biosdev, gBootVolume->part_no, gBootVolume->flags);
printf(" bt(0,0): %d, ->biosdev: %d, ->part_no: %d ->flags: %d\n", gBIOSBootVolume, gBIOSBootVolume->biosdev, gBIOSBootVolume->part_no, gBIOSBootVolume->flags);
getchar();
printf(" Default: %d, ->biosdev: %d, ->part_no: %d ->flags: %d\n",
gBootVolume, gBootVolume->biosdev, gBootVolume->part_no, gBootVolume->flags);
printf(" bt(0,0): %d, ->biosdev: %d, ->part_no: %d ->flags: %d\n",
gBIOSBootVolume, gBIOSBootVolume->biosdev, gBIOSBootVolume->part_no, gBIOSBootVolume->flags);
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) {
const char *val;
int len;
int trycache;
long flags, cachetime, kerneltime, exttime, sleeptime, time;
int ret = -1;
void *binary = (void *)kLoadAddr;
bool tryresume;
bool tryresumedefault;
bool forceresume;
setBootGlobals(bvChain);
// Parse args, load and start kernel.
while (1) {
const char *val;
int len;
int trycache;
long flags, cachetime, kerneltime, exttime, sleeptime, time;
int ret = -1;
void *binary = (void *)kLoadAddr;
bool tryresume;
bool tryresumedefault;
bool forceresume;
bool usecache = false;//true;
// additional variable for testing alternate kernel image locations on boot helper partitions.
char bootFileSpec[512];
// Initialize globals.
sysConfigValid = false;
gErrors = false;
status = getBootOptions(firstRun);
firstRun = false;
if (status == -1) continue;
// additional variable for testing alternate kernel image locations on boot helper partitions.
char bootFileSpec[512];
status = processBootOptions();
// Status==1 means to chainboot
if ( status == 1 ) break;
// Status==-1 means that the config file couldn't be loaded or that gBootVolume is NULL
if ( status == -1 )
{
// gBootVolume == NULL usually means the user hit escape.
if(gBootVolume == NULL)
{
freeFilteredBVChain(bvChain);
if (gEnableCDROMRescan)
rescanBIOSDevice(gBIOSDev);
bvChain = newFilteredBVChain(0x80, 0xFF, allowBVFlags, denyBVFlags, &gDeviceCount);
setBootGlobals(bvChain);
setupDeviceList(&bootInfo->themeConfig);
}
continue;
}
// Initialize globals.
// Other status (e.g. 0) means that we should proceed with boot.
sysConfigValid = false;
gErrors = false;
status = getBootOptions(firstRun);
firstRun = false;
if (status == -1) continue;
status = processBootOptions();
// Status==1 means to chainboot
if ( status ==1 ) break;
// Status==-1 means that the config file couldn't be loaded or that gBootVolume is NULL
if ( status == -1 )
{
// gBootVolume == NULL usually means the user hit escape.
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 )
if ( bootArgs->Video.v_display == GRAPHICS_MODE )
{
gui.devicelist.draw = false;
gui.bootprompt.draw = false;
// 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 (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;
}
// Do this first to be sure that root volume is mounted
ret = GetFileInfo(0, val, &flags, &sleeptime);
if ((bvr = getBootVolumeRef(val, &tmp)) == NULL)
break;
break;
if (!forceresume && ((sleeptime+3)<bvr->modTime)) {
#if DEBUG
printf ("Hibernate image is too old by %d seconds. Use ForceWake=y to override\n",bvr->modTime-sleeptime);
#endif
#if DEBUG
printf ("Hibernate image is too old by %d seconds. Use ForceWake=y to override\n",
bvr->modTime-sleeptime);
#endif
break;
}
HibernateBoot((char *)val);
break;
}
getBoolForKey(kUseKernelCache, &usecache, &bootInfo->chameleonConfig);
if(usecache) {
if (usecache) {
if (getValueForKey(kKernelCacheKey, &val, &len, &bootInfo->bootConfig)) {
if(val[0] == '\\')
{
len--;
val++;
}
strlcpy(gBootKernelCacheFile, val, len+1);
if (val[0] == '\\')
{
len--;
val++;
}
strlcpy(gBootKernelCacheFile, val, len+1);
}
else {
//Lion
else if (checkOSVersion("10.6")) {
sprintf(gBootKernelCacheFile, "kernelcache_%s", (archCpuType == CPU_TYPE_I386) ? "i386" : "x86_64");
int lnam = sizeof(gBootKernelCacheFile) + 9; //with adler32
//Slice - TODO ???
// e.g. kernelcache_i386.E102928C.qSs0 = "unsaved" cache file.
//
// See kext_tools-180.2.1/kextcache_main.c:
// "Source directory has changed since starting; "
// "not saving cache file %s."
// or
// "Source kernel has changed since starting; "
// "not saving cache file %s."
char* name;
long prev_time = 0;
while(readdir(cacheDir, (const char**)&name, &flags, &time) >= 0)
{
if(((flags & kFileTypeMask) != kFileTypeDirectory) && time > prev_time && strstr(name, gBootKernelCacheFile) && (name[lnam] != '.'))
if (((flags & kFileTypeMask) != kFileTypeDirectory) && time > prev_time
&& strstr(name, gBootKernelCacheFile) && (name[lnam] != '.'))
{
sprintf(gBootKernelCacheFile, "%s%s", kDefaultCachePathSnow, name);
prev_time = time;
}
}
}
// Check for cache file.
trycache = (usecache &&
// Check for cache file.
trycache = (usecache &&
((gBootMode & kBootModeSafe) == 0) &&
!gOverrideKernel &&
(gBootFileType == kBlockDeviceType) &&
(gMKextName[0] == '\0') &&
(gBootKernelCacheFile[0] != '\0'));
!gOverrideKernel &&
(gBootFileType == kBlockDeviceType) &&
(gMKextName[0] == '\0') &&
(gBootKernelCacheFile[0] != '\0'));
verbose("Loading Darwin %s\n", gMacOSVersion);
if (trycache) do {
ret = GetFileInfo(NULL, bootInfo->bootFile, &flags, &kerneltime);
if(ret != 0) kerneltime = 0;
else if ((flags & kFileTypeMask) != kFileTypeFlat) {
trycache = 0;
break;
}
if (trycache) do {
ret = GetFileInfo(NULL, bootInfo->bootFile, &flags, &kerneltime);
if (ret != 0) kerneltime = 0;
else if ((flags & kFileTypeMask) != kFileTypeFlat) {
trycache = 0;
break;
}
ret = GetFileInfo(NULL, gBootKernelCacheFile, &flags, &cachetime);
if ((ret != 0) || ((flags & kFileTypeMask) != kFileTypeFlat)
|| (cachetime < kerneltime)) {
trycache = 0;
break;
}
ret = GetFileInfo("/System/Library/", "Extensions", &flags, &exttime);
if ((ret == 0) && ((flags & kFileTypeMask) == kFileTypeDirectory)
&& (cachetime < exttime)) {
trycache = 0;
break;
}
if (ret == 0 && kerneltime > exttime) {
exttime = kerneltime;
}
if (ret == 0 && cachetime != (exttime + 1)) {
trycache = 0;
break;
}
} while (0);
ret = GetFileInfo(NULL, gBootKernelCacheFile, &flags, &cachetime);
if ((ret != 0) || ((flags & kFileTypeMask) != kFileTypeFlat)
|| (cachetime < kerneltime)) {
trycache = 0;
break;
}
ret = GetFileInfo("/System/Library/", "Extensions", &flags, &exttime);
if ((ret == 0) && ((flags & kFileTypeMask) == kFileTypeDirectory)
&& (cachetime < exttime)) {
trycache = 0;
break;
}
if (ret == 0 && kerneltime > exttime) {
exttime = kerneltime;
}
if (ret == 0 && cachetime != (exttime + 1)) {
trycache = 0;
break;
}
} while (0);
do {
if (trycache) {
bootFile = gBootKernelCacheFile;
do {
if (trycache) {
bootFile = gBootKernelCacheFile;
verbose("Loading kernel cache %s\n", bootFile);
if (checkOSVersion("10.7")) {
ret = LoadThinFatFile(bootFile, &binary);
if (checkOSVersion("10.7")) {
ret = LoadThinFatFile(bootFile, &binary);
}
else {
ret = LoadFile(bootFile);
ret = LoadFile(bootFile);
binary = (void *)kLoadAddr;
}
if (ret >= 0)
break;
if (ret >= 0)
break;
verbose("Kernel cache did not load %s\n ", bootFile);
}
if (checkOSVersion("10.7")) {
bootFile = gBootKernelCacheFile;
}
else {
sprintf(bootFile, "\%s", bootInfo->bootFile);
}
// Try to load kernel image from alternate locations on boot helper partitions.
sprintf(bootFileSpec, "com.apple.boot.P%s", bootFile);
ret = GetFileInfo(NULL, bootFileSpec, &flags, &time);
if (ret == -1)
{
sprintf(bootFileSpec, "com.apple.boot.R%s", bootFile);
ret = GetFileInfo(NULL, bootFileSpec, &flags, &time);
if (ret == -1)
{
sprintf(bootFileSpec, "com.apple.boot.S%s", bootFile);
ret = GetFileInfo(NULL, bootFileSpec, &flags, &time);
if (ret == -1)
{
// No alternate location found, using the original kernel image path.
strcpy(bootFileSpec, bootInfo->bootFile);
}
}
}
if (checkOSVersion("10.7"))
{
//Lion, dont load kernel if haz cache
if (!trycache)
{
verbose("Loading kernel %s\n", bootFileSpec);
ret = LoadThinFatFile(bootFileSpec, &binary);
if (ret <= 0 && archCpuType == CPU_TYPE_X86_64)
{
archCpuType = CPU_TYPE_I386;
ret = LoadThinFatFile(bootFileSpec, &binary);
}
}
}
if (checkOSVersion("10.7")) {
bootFile = gBootKernelCacheFile;
}
else {
sprintf(bootFile, "\%s", bootInfo->bootFile);
}
// Try to load kernel image from alternate locations on boot helper partitions.
sprintf(bootFileSpec, "com.apple.boot.P%s", bootFile);
ret = GetFileInfo(NULL, bootFileSpec, &flags, &time);
if (ret == -1)
{
sprintf(bootFileSpec, "com.apple.boot.R%s", bootFile);
ret = GetFileInfo(NULL, bootFileSpec, &flags, &time);
if (ret == -1)
{
sprintf(bootFileSpec, "com.apple.boot.S%s", bootFile);
ret = GetFileInfo(NULL, bootFileSpec, &flags, &time);
if (ret == -1)
{
// No alternate location found, using the original kernel image path.
strcpy(bootFileSpec, bootInfo->bootFile);
}
}
}
if (checkOSVersion("10.7"))
{
//Lion, dont load kernel if haz cache
if (!trycache)
{
verbose("Loading kernel %s\n", bootFileSpec);
ret = LoadThinFatFile(bootFileSpec, &binary);
if (ret <= 0 && archCpuType == CPU_TYPE_X86_64)
{
archCpuType = CPU_TYPE_I386;
ret = LoadThinFatFile(bootFileSpec, &binary);
}
}
else ret = 1;
}
}
else
{
//Snow Leopard or older
verbose("Loading kernel %s\n", bootFileSpec);
ret = LoadThinFatFile(bootFileSpec, &binary);
if (ret <= 0 && archCpuType == CPU_TYPE_X86_64)
{
archCpuType = CPU_TYPE_I386;
ret = LoadThinFatFile(bootFileSpec, &binary);
}
}
} while (0);
clearActivityIndicator();
{
//Snow Leopard or older
verbose("Loading kernel %s\n", bootFileSpec);
ret = LoadThinFatFile(bootFileSpec, &binary);
if (ret <= 0 && archCpuType == CPU_TYPE_X86_64)
{
archCpuType = CPU_TYPE_I386;
ret = LoadThinFatFile(bootFileSpec, &binary);
}
}
} while (0);
clearActivityIndicator();
#if DEBUG
printf("Pausing...");
sleep(8);
printf("Pausing...");
sleep(8);
#endif
if (ret <= 0) {
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;
break;
}
} else {
/* Won't return if successful. */
ret = ExecKernel(binary);
}
}
// chainboot
if (status==1) {
if (getVideoMode() == GRAPHICS_MODE) {// if we are already in graphics-mode,
setVideoMode(VGA_TEXT_MODE, 0);// switch back to text mode
if (gBootFileType == kNetworkDeviceType) {
// Return control back to PXE. Don't unload PXE base code.
gUnloadPXEOnExit = false;
break;
}
} else {
/* Won't return if successful. */
ret = ExecKernel(binary);
}
}
}
if ((gBootFileType == kNetworkDeviceType) && gUnloadPXEOnExit) {
// chainboot
if (status==1) {
// if we are already in graphics-mode,
if (getVideoMode() == GRAPHICS_MODE) {
setVideoMode(VGA_TEXT_MODE, 0); // switch back to text mode.
}
}
if ((gBootFileType == kNetworkDeviceType) && gUnloadPXEOnExit) {
nbpUnloadBaseCode();
}
}
}
/*!
Selects a new BIOS device, taking care to update the global state appropriately.
Selects a new BIOS device, taking care to update the global state appropriately.
*/
/*
static void selectBiosDevice(void)
{
struct DiskBVMap *oldMap = diskResetBootVolumes(gBIOSDev);
CacheReset();
diskFreeMap(oldMap);
oldMap = NULL;
int dev = selectAlternateBootDevice(gBIOSDev);
BVRef bvchain = scanBootVolumes(dev, 0);
BVRef bootVol = selectBootVolume(bvchain);
gBootVolume = bootVol;
setRootVolume(bootVol);
gBIOSDev = dev;
struct DiskBVMap *oldMap = diskResetBootVolumes(gBIOSDev);
CacheReset();
diskFreeMap(oldMap);
oldMap = NULL;
int dev = selectAlternateBootDevice(gBIOSDev);
BVRef bvchain = scanBootVolumes(dev, 0);
BVRef bootVol = selectBootVolume(bvchain);
gBootVolume = bootVol;
setRootVolume(bootVol);
gBIOSDev = dev;
}
*/
bool checkOSVersion(const char * version)
{
return ((gMacOSVersion[0] == version[0]) && (gMacOSVersion[1] == version[1]) && (gMacOSVersion[2] == version[2]) && (gMacOSVersion[3] == version[3]));
return ((gMacOSVersion[0] == version[0]) && (gMacOSVersion[1] == version[1])
&& (gMacOSVersion[2] == version[2]) && (gMacOSVersion[3] == version[3]));
}
bool getOSVersion()
config_file_t systemVersion;
const char *val;
int len;
if (!loadConfigFile("System/Library/CoreServices/SystemVersion.plist", &systemVersion))
{
valid = true;
{
valid = true;
}
if (valid)
{
if (getValueForKey(kProductVersion, &val, &len, &systemVersion))
if(getValueForKey(kProductVersion, &val, &len, &systemVersion))
{
// getValueForKey uses const char for val
// so copy it and trim
else
valid = false;
}
return valid;
}
#define NMAX 5000
// NMAX (was 5521) the largest n such that 255n(n+1)/2 + (n+1)(BASE-1) <= 2^32-1
#define DO1(buf,i) {s1 += buf[i]; s2 += s1;}
#define DO2(buf,i) DO1(buf,i); DO1(buf,i+1);
#define DO4(buf,i) DO2(buf,i); DO2(buf,i+2);
#define DO8(buf,i) DO4(buf,i); DO4(buf,i+4);
#define DO16(buf) DO8(buf,0); DO8(buf,8);
#define DO1(buf,i){s1 += buf[i]; s2 += s1;}
#define DO2(buf,i)DO1(buf,i); DO1(buf,i+1);
#define DO4(buf,i)DO2(buf,i); DO2(buf,i+2);
#define DO8(buf,i)DO4(buf,i); DO4(buf,i+4);
#define DO16(buf)DO8(buf,0); DO8(buf,8);
unsigned long Adler32(unsigned char *buf, long len)
{
unsigned long s1 = 1; // adler & 0xffff;
unsigned long s2 = 0; // (adler >> 16) & 0xffff;
unsigned long result;
int k;
while (len > 0) {
k = len < NMAX ? len : NMAX;
len -= k;
while (k >= 16) {
DO16(buf);
buf += 16;
k -= 16;
}
if (k != 0) do {
s1 += *buf++;
s2 += s1;
} while (--k);
s1 %= BASE;
s2 %= BASE;
}
result = (s2 << 16) | s1;
return OSSwapHostToBigInt32(result);
unsigned long s1 = 1; // adler & 0xffff;
unsigned long s2 = 0; // (adler >> 16) & 0xffff;
unsigned long result;
int k;
while (len > 0) {
k = len < NMAX ? len : NMAX;
len -= k;
while (k >= 16) {
DO16(buf);
buf += 16;
k -= 16;
}
if (k != 0) do {
s1 += *buf++;
s2 += s1;
} while (--k);
s1 %= BASE;
s2 %= BASE;
}
result = (s2 << 16) | s1;
return OSSwapHostToBigInt32(result);
}

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Revision: 1374