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--- xnu/xnu-4570.71.2/iokit/bsddev/IOKitBSDInit.cpp
+++ xnu/xnu-344.2/iokit/bsddev/IOKitBSDInit.cpp
@@ -1,172 +1,50 @@
/*
- * Copyright (c) 1998-2018 Apple Inc. All rights reserved.
+ * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
*
- * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
+ * @APPLE_LICENSE_HEADER_START@
*
- * 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 except in
- * compliance with the License. The rights granted to you under the License
- * may not be used to create, or enable the creation or redistribution of,
- * unlawful or unlicensed copies of an Apple operating system, or to
- * circumvent, violate, or enable the circumvention or violation of, any
- * terms of an Apple operating system software license agreement.
+ * 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.
*
- * Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ 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
+ * 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, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
+ * License for the specific language governing rights and limitations
+ * under the License.
*
- * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
+ * @APPLE_LICENSE_HEADER_END@
*/
#include <IOKit/IOBSD.h>
#include <IOKit/IOLib.h>
#include <IOKit/IOService.h>
-#include <IOKit/IOCatalogue.h>
#include <IOKit/IODeviceTreeSupport.h>
#include <IOKit/IOKitKeys.h>
#include <IOKit/IOPlatformExpert.h>
-#include <IOKit/IOUserClient.h>
+
+#include <sys/disklabel.h>
extern "C" {
#include <pexpert/pexpert.h>
#include <kern/clock.h>
-#include <uuid/uuid.h>
-#include <sys/vnode_internal.h>
-#include <sys/mount.h>
// how long to wait for matching root device, secs
-#if DEBUG
-#define ROOTDEVICETIMEOUT 120
-#else
-#define ROOTDEVICETIMEOUT 60
-#endif
-
-int panic_on_exception_triage = 0;
-
-extern dev_t mdevadd(int devid, uint64_t base, unsigned int size, int phys);
-extern dev_t mdevlookup(int devid);
-extern void mdevremoveall(void);
-extern int mdevgetrange(int devid, uint64_t *base, uint64_t *size);
-extern void di_root_ramfile(IORegistryEntry * entry);
-
-
-#if CONFIG_EMBEDDED
-#define IOPOLLED_COREFILE (CONFIG_KDP_INTERACTIVE_DEBUGGING)
-
-#if defined(XNU_TARGET_OS_BRIDGE)
-#define kIOCoreDumpSize 150ULL*1024ULL*1024ULL
-// leave free space on volume:
-#define kIOCoreDumpFreeSize 150ULL*1024ULL*1024ULL
-#define kIOCoreDumpPath "/private/var/internal/kernelcore"
-#else
-#define kIOCoreDumpSize 350ULL*1024ULL*1024ULL
-// leave free space on volume:
-#define kIOCoreDumpFreeSize 350ULL*1024ULL*1024ULL
-#define kIOCoreDumpPath "/private/var/vm/kernelcore"
-#endif
-
-#elif DEVELOPMENT
-#define IOPOLLED_COREFILE 1
-// no sizing
-#define kIOCoreDumpSize 0ULL
-#define kIOCoreDumpFreeSize 0ULL
-#else
-#define IOPOLLED_COREFILE 0
-#endif
-
-
-#if IOPOLLED_COREFILE
-static bool
-NewKernelCoreMedia(void * target, void * refCon,
- IOService * newService,
- IONotifier * notifier);
-#endif /* IOPOLLED_COREFILE */
-
-#if CONFIG_KDP_INTERACTIVE_DEBUGGING
-/*
- * Touched by IOFindBSDRoot() if a RAMDisk is used for the root device.
- */
-extern uint64_t kdp_core_ramdisk_addr;
-extern uint64_t kdp_core_ramdisk_size;
-#endif
+#define ROOTDEVICETIMEOUT 60
+
kern_return_t
IOKitBSDInit( void )
{
+ IOLog("IOKitBSDInit\n");
+
IOService::publishResource("IOBSD");
-
+
return( kIOReturnSuccess );
-}
-
-void
-IOServicePublishResource( const char * property, boolean_t value )
-{
- if ( value)
- IOService::publishResource( property, kOSBooleanTrue );
- else
- IOService::getResourceService()->removeProperty( property );
-}
-
-boolean_t
-IOServiceWaitForMatchingResource( const char * property, uint64_t timeout )
-{
- OSDictionary * dict = 0;
- IOService * match = 0;
- boolean_t found = false;
-
- do {
-
- dict = IOService::resourceMatching( property );
- if( !dict)
- continue;
- match = IOService::waitForMatchingService( dict, timeout );
- if ( match)
- found = true;
-
- } while( false );
-
- if( dict)
- dict->release();
- if( match)
- match->release();
-
- return( found );
-}
-
-boolean_t
-IOCatalogueMatchingDriversPresent( const char * property )
-{
- OSDictionary * dict = 0;
- OSOrderedSet * set = 0;
- SInt32 generationCount = 0;
- boolean_t found = false;
-
- do {
-
- dict = OSDictionary::withCapacity(1);
- if( !dict)
- continue;
- dict->setObject( property, kOSBooleanTrue );
- set = gIOCatalogue->findDrivers( dict, &generationCount );
- if ( set && (set->getCount() > 0))
- found = true;
-
- } while( false );
-
- if( dict)
- dict->release();
- if( set)
- set->release();
-
- return( found );
}
OSDictionary * IOBSDNameMatching( const char * name )
@@ -197,9 +75,81 @@
return( 0 );
}
-OSDictionary * IOUUIDMatching( void )
-{
- return IOService::resourceMatching( "boot-uuid-media" );
+OSDictionary * IOCDMatching( const char * name )
+{
+ OSDictionary * dict;
+ const OSSymbol * str;
+
+ dict = IOService::serviceMatching( "IOMedia" );
+ if( dict == 0 ) {
+ IOLog("Unable to find IOMedia\n");
+ return 0;
+ }
+
+ str = OSSymbol::withCString( "CD_ROM_Mode_1" );
+ if( str == 0 ) {
+ dict->release();
+ return 0;
+ }
+
+ dict->setObject( "Content", (OSObject *)str );
+ str->release();
+ return( dict );
+}
+
+OSDictionary * IONetworkMatching( const char * path,
+ char * buf, int maxLen )
+{
+ OSDictionary * matching = 0;
+ OSDictionary * dict;
+ OSString * str;
+ char * comp;
+ const char * skip;
+ int len;
+
+ do {
+
+ len = strlen( kIODeviceTreePlane ":" );
+ maxLen -= len;
+ if( maxLen < 0)
+ continue;
+
+ strcpy( buf, kIODeviceTreePlane ":" );
+ comp = buf + len;
+
+ // remove parameters following ':' from the path
+ skip = strchr( path, ':');
+ if( !skip)
+ continue;
+
+ len = skip - path;
+ maxLen -= len;
+ if( maxLen < 0)
+ continue;
+ strncpy( comp, path, len );
+ comp[ len ] = 0;
+
+ matching = IOService::serviceMatching( "IONetworkInterface" );
+ if( !matching)
+ continue;
+ dict = IOService::addLocation( matching );
+ if( !dict)
+ continue;
+
+ str = OSString::withCString( buf );
+ if( !str)
+ continue;
+ dict->setObject( kIOPathMatchKey, str );
+ str->release();
+
+ return( matching );
+
+ } while( false );
+
+ if( matching)
+ matching->release();
+
+ return( 0 );
}
OSDictionary * IONetworkNamePrefixMatching( const char * prefix )
@@ -207,8 +157,7 @@
OSDictionary * matching;
OSDictionary * propDict = 0;
const OSSymbol * str = 0;
- char networkType[128];
-
+
do {
matching = IOService::serviceMatching( "IONetworkInterface" );
if ( matching == 0 )
@@ -225,18 +174,6 @@
propDict->setObject( "IOInterfaceNamePrefix", (OSObject *) str );
str->release();
str = 0;
-
- // see if we're contrained to netroot off of specific network type
- if(PE_parse_boot_argn( "network-type", networkType, 128 ))
- {
- str = OSSymbol::withCString( networkType );
- if(str)
- {
- propDict->setObject( "IONetworkRootType", str);
- str->release();
- str = 0;
- }
- }
if ( matching->setObject( gIOPropertyMatchKey,
(OSObject *) propDict ) != true )
@@ -309,53 +246,85 @@
return ( netif->getProperty( kIOBSDNameKey ) != 0 );
}
+OSDictionary * IODiskMatching( const char * path, char * buf, int maxLen )
+{
+ const char * look;
+ const char * alias;
+ char * comp;
+ long unit = -1;
+ long partition = -1;
+ char c;
+
+ // scan the tail of the path for "@unit:partition"
+ do {
+ // Have to get the full path to the controller - an alias may
+ // tell us next to nothing, like "hd:8"
+ alias = IORegistryEntry::dealiasPath( &path, gIODTPlane );
+
+ look = path + strlen( path);
+ c = ':';
+ while( look != path) {
+ if( *(--look) == c) {
+ if( c == ':') {
+ partition = strtol( look + 1, 0, 0 );
+ c = '@';
+ } else if( c == '@') {
+ unit = strtol( look + 1, 0, 16 );
+ c = '/';
+ } else if( c == '/') {
+ c = 0;
+ break;
+ }
+ }
+
+ if( alias && (look == path)) {
+ path = alias;
+ look = path + strlen( path);
+ alias = 0;
+ }
+ }
+ if( c || unit == -1 || partition == -1)
+ continue;
+
+ maxLen -= strlen( "{" kIOPathMatchKey "='" kIODeviceTreePlane ":" );
+ maxLen -= ( alias ? strlen( alias ) : 0 ) + (look - path);
+ maxLen -= strlen( "/@hhhhhhhh:dddddddddd';}" );
+
+ if( maxLen > 0) {
+ sprintf( buf, "{" kIOPathMatchKey "='" kIODeviceTreePlane ":" );
+ comp = buf + strlen( buf );
+
+ if( alias) {
+ strcpy( comp, alias );
+ comp += strlen( alias );
+ }
+
+ if ( (look - path)) {
+ strncpy( comp, path, look - path);
+ comp += look - path;
+ }
+
+ sprintf( comp, "/@%lx:%ld';}", unit, partition );
+ } else
+ continue;
+
+ return( OSDynamicCast(OSDictionary, OSUnserialize( buf, 0 )) );
+
+ } while( false );
+
+ return( 0 );
+}
+
OSDictionary * IOOFPathMatching( const char * path, char * buf, int maxLen )
{
- OSDictionary * matching = NULL;
- OSString * str;
- char * comp;
- int len;
-
- do {
-
- len = strlen( kIODeviceTreePlane ":" );
- maxLen -= len;
- if( maxLen <= 0)
- continue;
-
- strlcpy( buf, kIODeviceTreePlane ":", len + 1 );
- comp = buf + len;
-
- len = strlen( path );
- maxLen -= len;
- if( maxLen <= 0)
- continue;
- strlcpy( comp, path, len + 1 );
-
- matching = OSDictionary::withCapacity( 1 );
- if( !matching)
- continue;
-
- str = OSString::withCString( buf );
- if( !str)
- continue;
- matching->setObject( kIOPathMatchKey, str );
- str->release();
-
- return( matching );
-
- } while( false );
-
- if( matching)
- matching->release();
-
- return( 0 );
-}
-
-static int didRam = 0;
-enum { kMaxPathBuf = 512, kMaxBootVar = 128 };
-
-kern_return_t IOFindBSDRoot( char * rootName, unsigned int rootNameSize,
+ /* need to look up path, get device type,
+ call matching help based on device type */
+
+ return( IODiskMatching( path, buf, maxLen ));
+
+}
+
+kern_return_t IOFindBSDRoot( char * rootName,
dev_t * root, u_int32_t * oflags )
{
mach_timespec_t t;
@@ -367,139 +336,69 @@
OSData * data = 0;
UInt32 flags = 0;
- int mnr, mjr;
- const char * mediaProperty = 0;
+ int minor, major;
char * rdBootVar;
+ enum { kMaxPathBuf = 512, kMaxBootVar = 128 };
char * str;
const char * look = 0;
int len;
+ bool forceNet = false;
bool debugInfoPrintedOnce = false;
- const char * uuidStr = NULL;
static int mountAttempts = 0;
-
- int xchar, dchar;
-
- // stall here for anyone matching on the IOBSD resource to finish (filesystems)
- matching = IOService::serviceMatching(gIOResourcesKey);
- assert(matching);
- matching->setObject(gIOResourceMatchedKey, gIOBSDKey);
-
- if ((service = IOService::waitForMatchingService(matching, 30ULL * kSecondScale))) {
- service->release();
- } else {
- IOLog("!BSD\n");
- }
- matching->release();
- matching = NULL;
if( mountAttempts++)
- {
- IOLog("mount(%d) failed\n", mountAttempts);
IOSleep( 5 * 1000 );
- }
str = (char *) IOMalloc( kMaxPathBuf + kMaxBootVar );
if( !str)
return( kIOReturnNoMemory );
rdBootVar = str + kMaxPathBuf;
- if (!PE_parse_boot_argn("rd", rdBootVar, kMaxBootVar )
- && !PE_parse_boot_argn("rootdev", rdBootVar, kMaxBootVar ))
+ if (!PE_parse_boot_arg("rd", rdBootVar )
+ && !PE_parse_boot_arg("rootdev", rdBootVar ))
rdBootVar[0] = 0;
do {
- if( (regEntry = IORegistryEntry::fromPath( "/chosen", gIODTPlane ))) {
- di_root_ramfile(regEntry);
- data = OSDynamicCast(OSData, regEntry->getProperty( "root-matching" ));
- if (data) {
- matching = OSDynamicCast(OSDictionary, OSUnserializeXML((char *)data->getBytesNoCopy()));
- if (matching) {
- continue;
- }
- }
-
- data = (OSData *) regEntry->getProperty( "boot-uuid" );
- if( data) {
- uuidStr = (const char*)data->getBytesNoCopy();
- OSString *uuidString = OSString::withCString( uuidStr );
-
- // match the boot-args boot-uuid processing below
- if( uuidString) {
- IOLog("rooting via boot-uuid from /chosen: %s\n", uuidStr);
- IOService::publishResource( "boot-uuid", uuidString );
- uuidString->release();
- matching = IOUUIDMatching();
- mediaProperty = "boot-uuid-media";
- regEntry->release();
- continue;
- } else {
- uuidStr = NULL;
- }
- }
+ if( (regEntry = IORegistryEntry::fromPath( "/chosen", gIODTPlane ))) {
+ data = (OSData *) regEntry->getProperty( "rootpath" );
+ regEntry->release();
+ if( data)
+ continue;
+ }
+ if( (regEntry = IORegistryEntry::fromPath( "/options", gIODTPlane ))) {
+ data = (OSData *) regEntry->getProperty( "boot-file" );
+ regEntry->release();
+ if( data)
+ continue;
+ }
+ } while( false );
+
+ if( data)
+ look = (const char *) data->getBytesNoCopy();
+
+ if( rdBootVar[0] == '*') {
+ look = rdBootVar + 1;
+ forceNet = false;
+ } else {
+ if( (regEntry = IORegistryEntry::fromPath( "/", gIODTPlane ))) {
+ forceNet = (0 != regEntry->getProperty( "net-boot" ));
regEntry->release();
}
- } while( false );
-
-//
-// See if we have a RAMDisk property in /chosen/memory-map. If so, make it into a device.
-// It will become /dev/mdx, where x is 0-f.
-//
-
- if(!didRam) { /* Have we already build this ram disk? */
- didRam = 1; /* Remember we did this */
- if((regEntry = IORegistryEntry::fromPath( "/chosen/memory-map", gIODTPlane ))) { /* Find the map node */
- data = (OSData *)regEntry->getProperty("RAMDisk"); /* Find the ram disk, if there */
- if(data) { /* We found one */
- uintptr_t *ramdParms;
- ramdParms = (uintptr_t *)data->getBytesNoCopy(); /* Point to the ram disk base and size */
- (void)mdevadd(-1, ml_static_ptovirt(ramdParms[0]) >> 12, ramdParms[1] >> 12, 0); /* Initialize it and pass back the device number */
- }
- regEntry->release(); /* Toss the entry */
- }
- }
-
-//
-// Now check if we are trying to root on a memory device
-//
-
- if((rdBootVar[0] == 'm') && (rdBootVar[1] == 'd') && (rdBootVar[3] == 0)) {
- dchar = xchar = rdBootVar[2]; /* Get the actual device */
- if((xchar >= '0') && (xchar <= '9')) xchar = xchar - '0'; /* If digit, convert */
- else {
- xchar = xchar & ~' '; /* Fold to upper case */
- if((xchar >= 'A') && (xchar <= 'F')) { /* Is this a valid digit? */
- xchar = (xchar & 0xF) + 9; /* Convert the hex digit */
- dchar = dchar | ' '; /* Fold to lower case */
- }
- else xchar = -1; /* Show bogus */
- }
- if(xchar >= 0) { /* Do we have a valid memory device name? */
- *root = mdevlookup(xchar); /* Find the device number */
- if(*root >= 0) { /* Did we find one? */
- rootName[0] = 'm'; /* Build root name */
- rootName[1] = 'd'; /* Build root name */
- rootName[2] = dchar; /* Build root name */
- rootName[3] = 0; /* Build root name */
- IOLog("BSD root: %s, major %d, minor %d\n", rootName, major(*root), minor(*root));
- *oflags = 0; /* Show that this is not network */
-
-#if CONFIG_KDP_INTERACTIVE_DEBUGGING
- /* retrieve final ramdisk range and initialize KDP variables */
- if (mdevgetrange(xchar, &kdp_core_ramdisk_addr, &kdp_core_ramdisk_size) != 0) {
- IOLog("Unable to retrieve range for root memory device %d\n", xchar);
- kdp_core_ramdisk_addr = 0;
- kdp_core_ramdisk_size = 0;
- }
-#endif
-
- goto iofrootx; /* Join common exit... */
- }
- panic("IOFindBSDRoot: specified root memory device, %s, has not been configured\n", rdBootVar); /* Not there */
- }
- }
-
- if( (!matching) && rdBootVar[0] ) {
+ }
+
+ if( look) {
+ // from OpenFirmware path
+ IOLog("From path: \"%s\", ", look);
+
+ if( forceNet || (0 == strncmp( look, "enet", strlen( "enet" ))) ) {
+ matching = IONetworkMatching( look, str, kMaxPathBuf );
+ } else {
+ matching = IODiskMatching( look, str, kMaxPathBuf );
+ }
+ }
+
+ if( (!matching) && rdBootVar[0] ) {
// by BSD name
look = rdBootVar;
if( look[0] == '*')
@@ -507,46 +406,22 @@
if ( strncmp( look, "en", strlen( "en" )) == 0 ) {
matching = IONetworkNamePrefixMatching( "en" );
- } else if ( strncmp( look, "uuid", strlen( "uuid" )) == 0 ) {
- char *uuid;
- OSString *uuidString;
-
- uuid = (char *)IOMalloc( kMaxBootVar );
-
- if ( uuid ) {
- if (!PE_parse_boot_argn( "boot-uuid", uuid, kMaxBootVar )) {
- panic( "rd=uuid but no boot-uuid=<value> specified" );
- }
- uuidString = OSString::withCString( uuid );
- if ( uuidString ) {
- IOService::publishResource( "boot-uuid", uuidString );
- uuidString->release();
- IOLog( "\nWaiting for boot volume with UUID %s\n", uuid );
- matching = IOUUIDMatching();
- mediaProperty = "boot-uuid-media";
- }
- IOFree( uuid, kMaxBootVar );
- }
+ } else if ( strncmp( look, "cdrom", strlen( "cdrom" )) == 0 ) {
+ matching = IOCDMatching( look );
} else {
matching = IOBSDNameMatching( look );
}
}
if( !matching) {
- OSString * astring;
- // Match any HFS media
-
+ OSString * astring;
+ // any UFS
matching = IOService::serviceMatching( "IOMedia" );
- astring = OSString::withCStringNoCopy("Apple_HFS");
+ astring = OSString::withCStringNoCopy("Apple_UFS");
if ( astring ) {
matching->setObject("Content", astring);
astring->release();
}
- }
-
- if( gIOKitDebug & kIOWaitQuietBeforeRoot ) {
- IOLog( "Waiting for matching to complete\n" );
- IOService::getPlatform()->waitQuiet();
}
if( true && matching) {
@@ -584,12 +459,8 @@
} while( !service);
matching->release();
- if ( service && mediaProperty ) {
- service = (IOService *)service->getProperty(mediaProperty);
- }
-
- mjr = 0;
- mnr = 0;
+ major = 0;
+ minor = 0;
// If the IOService we matched to is a subclass of IONetworkInterface,
// then make sure it has been registered with BSD and has a BSD name
@@ -610,13 +481,13 @@
iostr = (OSString *) service->getProperty( kIOBSDNameKey );
if( iostr)
- strlcpy( rootName, iostr->getCStringNoCopy(), rootNameSize );
+ strcpy( rootName, iostr->getCStringNoCopy() );
off = (OSNumber *) service->getProperty( kIOBSDMajorKey );
if( off)
- mjr = off->unsigned32BitValue();
+ major = off->unsigned32BitValue();
off = (OSNumber *) service->getProperty( kIOBSDMinorKey );
if( off)
- mnr = off->unsigned32BitValue();
+ minor = off->unsigned32BitValue();
if( service->metaCast( "IONetworkInterface" ))
flags |= 1;
@@ -624,22 +495,21 @@
} else {
IOLog( "Wait for root failed\n" );
- strlcpy( rootName, "en0", rootNameSize );
+ strcpy( rootName, "en0");
flags |= 1;
}
IOLog( "BSD root: %s", rootName );
- if( mjr)
- IOLog(", major %d, minor %d\n", mjr, mnr );
+ if( major)
+ IOLog(", major %d, minor %d\n", major, minor );
else
IOLog("\n");
- *root = makedev( mjr, mnr );
+ *root = makedev( major, minor );
*oflags = flags;
IOFree( str, kMaxPathBuf + kMaxBootVar );
-iofrootx:
if( (gIOKitDebug & (kIOLogDTree | kIOLogServiceTree | kIOLogMemory)) && !debugInfoPrintedOnce) {
IOService::getPlatform()->waitQuiet();
@@ -658,53 +528,6 @@
return( kIOReturnSuccess );
}
-bool IORamDiskBSDRoot(void)
-{
- char rdBootVar[kMaxBootVar];
- if (PE_parse_boot_argn("rd", rdBootVar, kMaxBootVar )
- || PE_parse_boot_argn("rootdev", rdBootVar, kMaxBootVar )) {
- if((rdBootVar[0] == 'm') && (rdBootVar[1] == 'd') && (rdBootVar[3] == 0)) {
- return true;
- }
- }
- return false;
-}
-
-void IOSecureBSDRoot(const char * rootName)
-{
-#if CONFIG_EMBEDDED
- int tmpInt;
- IOReturn result;
- IOPlatformExpert *pe;
- OSDictionary *matching;
- const OSSymbol *functionName = OSSymbol::withCStringNoCopy("SecureRootName");
-
- matching = IOService::serviceMatching("IOPlatformExpert");
- assert(matching);
- pe = (IOPlatformExpert *) IOService::waitForMatchingService(matching, 30ULL * kSecondScale);
- matching->release();
- assert(pe);
- // Returns kIOReturnNotPrivileged is the root device is not secure.
- // Returns kIOReturnUnsupported if "SecureRootName" is not implemented.
- result = pe->callPlatformFunction(functionName, false, (void *)rootName, (void *)0, (void *)0, (void *)0);
- functionName->release();
- OSSafeReleaseNULL(pe);
-
- if (result == kIOReturnNotPrivileged) {
- mdevremoveall();
- } else if (result == kIOReturnSuccess) {
- // If we are booting with a secure root, and we have the right
- // boot-arg, we will want to panic on exception triage. This
- // behavior is intended as a debug aid (we can look at why an
- // exception occured in the kernel debugger).
- if (PE_parse_boot_argn("-panic_on_exception_triage", &tmpInt, sizeof(tmpInt))) {
- panic_on_exception_triage = 1;
- }
- }
-
-#endif // CONFIG_EMBEDDED
-}
-
void *
IOBSDRegistryEntryForDeviceTree(char * path)
{
@@ -736,220 +559,4 @@
return (NULL);
}
-kern_return_t IOBSDGetPlatformUUID( uuid_t uuid, mach_timespec_t timeout )
-{
- IOService * resources;
- OSString * string;
-
- resources = IOService::waitForService( IOService::resourceMatching( kIOPlatformUUIDKey ), ( timeout.tv_sec || timeout.tv_nsec ) ? &timeout : 0 );
- if ( resources == 0 ) return KERN_OPERATION_TIMED_OUT;
-
- string = ( OSString * ) IOService::getPlatform( )->getProvider( )->getProperty( kIOPlatformUUIDKey );
- if ( string == 0 ) return KERN_NOT_SUPPORTED;
-
- uuid_parse( string->getCStringNoCopy( ), uuid );
-
- return KERN_SUCCESS;
-}
-
} /* extern "C" */
-
-/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
-
-#include <sys/conf.h>
-#include <sys/vnode.h>
-#include <sys/vnode_internal.h>
-#include <sys/fcntl.h>
-#include <IOKit/IOPolledInterface.h>
-#include <IOKit/IOBufferMemoryDescriptor.h>
-
-IOPolledFileIOVars * gIOPolledCoreFileVars;
-
-#if IOPOLLED_COREFILE
-
-static IOReturn
-IOOpenPolledCoreFile(const char * filename)
-{
- IOReturn err;
- unsigned int debug;
-
- if (gIOPolledCoreFileVars) return (kIOReturnBusy);
- if (!IOPolledInterface::gMetaClass.getInstanceCount()) return (kIOReturnUnsupported);
-
- debug = 0;
- PE_parse_boot_argn("debug", &debug, sizeof (debug));
- if (DB_DISABLE_LOCAL_CORE & debug) return (kIOReturnUnsupported);
-
- err = IOPolledFileOpen(filename, kIOCoreDumpSize, kIOCoreDumpFreeSize,
- NULL, 0,
- &gIOPolledCoreFileVars, NULL, NULL, 0);
- if (kIOReturnSuccess != err) return (err);
-
- err = IOPolledFilePollersSetup(gIOPolledCoreFileVars, kIOPolledPreflightCoreDumpState);
- if (kIOReturnSuccess != err)
- {
- IOPolledFileClose(&gIOPolledCoreFileVars, NULL, NULL, 0, 0, 0);
- }
-
- return (err);
-}
-
-static void
-IOClosePolledCoreFile(void)
-{
- IOPolledFilePollersClose(gIOPolledCoreFileVars, kIOPolledPostflightCoreDumpState);
- IOPolledFileClose(&gIOPolledCoreFileVars, NULL, NULL, 0, 0, 0);
-}
-
-static thread_call_t gIOOpenPolledCoreFileTC;
-static IONotifier * gIOPolledCoreFileNotifier;
-static IONotifier * gIOPolledCoreFileInterestNotifier;
-
-static IOReturn
-KernelCoreMediaInterest(void * target, void * refCon,
- UInt32 messageType, IOService * provider,
- void * messageArgument, vm_size_t argSize )
-{
- if (kIOMessageServiceIsTerminated == messageType)
- {
- gIOPolledCoreFileInterestNotifier->remove();
- gIOPolledCoreFileInterestNotifier = 0;
- IOClosePolledCoreFile();
- }
-
- return (kIOReturnSuccess);
-}
-
-static void
-OpenKernelCoreMedia(thread_call_param_t p0, thread_call_param_t p1)
-{
- IOService * newService;
- OSString * string;
- char filename[16];
-
- newService = (IOService *) p1;
- do
- {
- if (gIOPolledCoreFileVars) break;
- string = OSDynamicCast(OSString, newService->getProperty(kIOBSDNameKey));
- if (!string) break;
- snprintf(filename, sizeof(filename), "/dev/%s", string->getCStringNoCopy());
- if (kIOReturnSuccess != IOOpenPolledCoreFile(filename)) break;
- gIOPolledCoreFileInterestNotifier = newService->registerInterest(
- gIOGeneralInterest, &KernelCoreMediaInterest, NULL, 0);
- }
- while (false);
-
- newService->release();
-}
-
-static bool
-NewKernelCoreMedia(void * target, void * refCon,
- IOService * newService,
- IONotifier * notifier)
-{
- static volatile UInt32 onlyOneCorePartition = 0;
- do
- {
- if (!OSCompareAndSwap(0, 1, &onlyOneCorePartition)) break;
- if (gIOPolledCoreFileVars) break;
- if (!gIOOpenPolledCoreFileTC) break;
- newService = newService->getProvider();
- if (!newService) break;
- newService->retain();
- thread_call_enter1(gIOOpenPolledCoreFileTC, newService);
- }
- while (false);
-
- return (false);
-}
-
-#endif /* IOPOLLED_COREFILE */
-
-extern "C" void
-IOBSDMountChange(struct mount * mp, uint32_t op)
-{
-#if IOPOLLED_COREFILE
-
- OSDictionary * bsdMatching;
- OSDictionary * mediaMatching;
- OSString * string;
-
- if (!gIOPolledCoreFileNotifier) do
- {
- if (!gIOOpenPolledCoreFileTC) gIOOpenPolledCoreFileTC = thread_call_allocate(&OpenKernelCoreMedia, NULL);
- bsdMatching = IOService::serviceMatching("IOMediaBSDClient");
- if (!bsdMatching) break;
- mediaMatching = IOService::serviceMatching("IOMedia");
- string = OSString::withCStringNoCopy("5361644D-6163-11AA-AA11-00306543ECAC");
- if (!string || !mediaMatching) break;
- mediaMatching->setObject("Content", string);
- string->release();
- bsdMatching->setObject(gIOParentMatchKey, mediaMatching);
- mediaMatching->release();
-
- gIOPolledCoreFileNotifier = IOService::addMatchingNotification(
- gIOFirstMatchNotification, bsdMatching,
- &NewKernelCoreMedia, NULL, NULL, -1000);
- }
- while (false);
-
-#if CONFIG_EMBEDDED
- uint64_t flags;
- char path[128];
- int pathLen;
- vnode_t vn;
- int result;
-
- switch (op)
- {
- case kIOMountChangeMount:
- case kIOMountChangeDidResize:
-
- if (gIOPolledCoreFileVars) break;
- flags = vfs_flags(mp);
- if (MNT_RDONLY & flags) break;
- if (!(MNT_LOCAL & flags)) break;
-
- vn = vfs_vnodecovered(mp);
- if (!vn) break;
- pathLen = sizeof(path);
- result = vn_getpath(vn, &path[0], &pathLen);
- vnode_put(vn);
- if (0 != result) break;
- if (!pathLen) break;
-#if defined(XNU_TARGET_OS_BRIDGE)
- // on bridgeOS systems we put the core in /private/var/internal. We don't
- // want to match with /private/var because /private/var/internal is often mounted
- // over /private/var
- if ((pathLen - 1) < (int) strlen("/private/var/internal")) break;
-#endif
- if (0 != strncmp(path, kIOCoreDumpPath, pathLen - 1)) break;
- IOOpenPolledCoreFile(kIOCoreDumpPath);
- break;
-
- case kIOMountChangeUnmount:
- case kIOMountChangeWillResize:
- if (gIOPolledCoreFileVars && (mp == kern_file_mount(gIOPolledCoreFileVars->fileRef)))
- {
- IOClosePolledCoreFile();
- }
- break;
- }
-#endif /* CONFIG_EMBEDDED */
-#endif /* IOPOLLED_COREFILE */
-}
-
-
-/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
-
-extern "C" boolean_t
-IOTaskHasEntitlement(task_t task, const char * entitlement)
-{
- OSObject * obj;
- obj = IOUserClient::copyClientEntitlement(task, entitlement);
- if (!obj) return (false);
- obj->release();
- return (obj != kOSBooleanFalse);
-}
-