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Uefi وبعض أنظمة Bios Uefi واجهة الربنامج الثابت املوحدة والقابلة للتمديد

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- جدول أقسامGUID GUID Partition Table جدول أقسام )أو تقسيم( يستخدم املعرفات الفريدة العميمة "! G % تعري. و-يي, ا+قسام *( ال)'ي& املقسم % أ$#مة !0/ و2ع1 أ$#مة 45!3 UEFI واج=ة ال>$ا;: ال9ا82 امل)7دة والقا62ة ل6تمديد مس جد? % ;<رم ّو@B @AA دة 'Cتمرب/أي6)ل DE@F2 " F جدول أقسام GUID *باIة *H تخGيط )أو تقسيم( جدول أقسام ;عياJI *( أج=,ة التخ,يH الفي,ياKيةM9; L ا+قراN الثا2تةL أو أقراN الحالة الC6OةPQ Lا التخGيط يستخدم املعرR الفريد العميم U@TS % متيي, ا+قسام وأ$)ا*هاL وXIم أ$W ج,H; V ;عياI واج=ة ال>نا;: الثا82 امل)حدة والقا62ة ل6تمديد !U ZD S YL /0 )املق^[ ;H ;\تد] h _`abc /0! 0defgبديM ل6\ظام التق6يدJ 45!3( $ظام Hlm GPj ا'تخدا;W أيضا % 2ع1 أ$#مة 45!3 بسnC ;حدو?ية جدول أقسام Lo3p الذJ يستخدم 82qTD فقط % تخ,يH ;ع6)مات ال<rم و*ناويr7 v; us3t Hم القGاw التق6يدqx@D Jبايu8 ;ع#م أ$#مة التشyيM تد*م P\; LGPj العام LDE@E 2ع1 ا+$#مة ;M9 ما{ أوu|} ومايكرو')ف8 ويندو~ )x86( تد*م فقط اإلقالH; w أقسام GPj % أ$#مة !L /0!B/0 2ي\ام ;ع#م ت)~يعات لي\lس و ت)~يعات 2ريhيل ي)$lس ;M9 فرJ يب |} ?lm J\ها اإلقالH; w أقسام GPj % أج=,ة 45!3 أو أج=,ة !u /0 6A TD % ا+قراN الثا2تة التي تستخدم r7م القطاw املعياx@D JI بايL8 ال<rم ا+قىص ل6قرN با'تخدام DuD (Q o3p ترياباي8 أو ) x@D × D بايuU @ S )8 2ي\ام ال<rم ا+قىص ل6قرN با'تخدام GPj 'يك)ن FuA ~يتاباي8 أو ) x@D × D بايU T S U @ S )8 والسnC % ذلك ا'تخدام H; 82 6A أجM *ناويH الكتM امل\Gقية % جدول أقسام u GPj تاIيخياL رشhة |$تي LM كا$8 وIاV تG)ير LGPj أواخر التسعينات )L)DEEE الذJ أصCح ج,H; V ;)اصفة !U D S Y /0 % عام DE@E وت<8 |?اIة Qيئة خاصة تد*ى !P\; u _`abc /0 عام uDEEF قطاعات GPT % عام LDE@E *ندما بدأ ;\تr)ن ا+قراN الثا2تة الت<)ل |ىل ت)ظي. r7م قطاA,EF6 w بايu8 2ع1 ا+قراN الجديدة أ$Pأ{ كان ما ي,ال يعرض r7م القطاw الفي,يايئ qx@Dباي8 % $ظام التشyيLM ا+;ر الذJ $ت: *\W أ?اV يسV ل6\ظام لعدم ت,ا;H 7دو? القطاw الفي,يايئ A كي6)بايh v; 8ت6h A Mي)باي8 امل\GقيةL و *ناقيد$ظام امل6فاتU@6S وصفحات الذاكرة الظاQرية U @Z S املستخد;ة % الك9ري ;H أ$#مة امل6فات وأ$#مة التشyيuM هذه املشك6ة كا$8 با+خص *ند الكتا2ة 7يث يGkر القرN |ىل تأ?ية *م6يتني ;ebacqgdc`¡¢q£e`¤b H )قراءةqتعديhqMتا2ة( لتع)ي1 *م6ية كتا2ة واحدة h Aي6)باي8 ;حاذاتها خا¥ئةU x S u ل6ت)افق ;v ;ع#م |صداIات ا+$#مة السا2قة ;M9 $ظام ?و}L و |}DB و نس§ ويندو~ قMC فيستاL أقسام o3p يnr أن تبدأ ?امئا *( حدو? املساI وفقا ل6مخG& الع\)$ة التق6يدª5 J© وت\ت=ي *( حد ا»'G)ا$ةL $فس ال¬V ي\CG¦ *( ا+قسام التي تستخدم قياسات القرN املحاكية ملتتا2عة ª5© )كام يعكسها $ظام 45!3 ومدخالت قاطاعات ª5© % جدول أقسام o3p( أو ا+قسام التي ميكH ال\فاذ إليها فقط *H ¥ريق *\)$ة us3t وPhلك ا»قسام املمتدة يnr أن تبدا *( حدو? ا»'G)ا$ةu و2ناV *( ذلكL القسم ا»و­ ا»ول 'يبدأ *ند الكت6ة s3t 6T *( ا+قراN التي Hlm ال\فاذ إليها *H ¥ريق *\)$ة PQ Ls3tا 'ي^{ فr)ة ;6D H قطاw % أقراLo3p N تسمى أ7يانا ¯ ®±o3p ga® أو ®´²dd¤ ¤ra³® أو ®bg²bcc`_g u®aeba هذه الفr)ة ميكH أن تش6yها عدة تCGيقاتLM9; L ;<مM ا»قالGp B D w الذJ يخ,ن فيها شفرة ;ر67ة اإلقالw الثا$ية LU 6 S أو 2رنا;: t`pq344j )الذJ » يد*م (BGPj!0/ وي<تM املساI ا»ول *( قرuo3p N 2ي\ام % أقراGPj N تستخدم 2\ية أولية ل¶قسام % بداية القرN وأخر] ا7تيا¥ية % $هاية القرH; N أجM التكراI )اإلضافية(uUDAS ويستخدم $ظام *\)$ة الكتM امل\Gقية s3t )املعم)ل W2 أيضا % ¸o3p الحدي9ة( لتعري. هاتان الC\يتان *( القرN بد» ;H ا'تخدام قطاعاتها النسCيةL 2هذه الGريقةL القطاعات 'تك)ن ;رقمة ;E H |ىل @L _q 7يث _ Iقم القطاw *( القرuN )كام ت#=ر % الخطا¥ة التالية(L أول 2\ية *( قرGPj N 'تك)ن قطاw ال<امية º LU T S Ys3t E % ied¤b³¤`¹b o3pم ترويسة GPj ا+ولية % @ º us3tم ;Oف)فة مدخالت أقسام "!GU ا+وليةL وتتkمH مدخ6ة لكM قسم *( القرuN أما أقسام القرN فس)R تقv 2ني املOف)فة ا+ولية وا»7تيا¥ية ملدخالت أقسام "!uGU ا+قسام يnr أن تك)ن ·مH حدو? أول وأخر كت6ة ;\Gقية ¸s3t صال<ة لال'تعاملh uام Q) ;حد? % ترويسة أقسام GPj )أ$#ر ل6خطا¥ة(u 2\ية قرGij N قGاhBwت6ة قGاMr' w الحامية ed¤b³¤`¹b o3p± )قGاG\; wقي (@ يستخدم % حامية قرGij N )أو ل6ت)اف¦ ;v اإلصداIات السا2قة(s3t E u ترويسة أقسام "! GL ميHl التعرR *6ي=ا 2)ا'Gة 8 2اي8 % 2داية القGاw امل\Gقي ال9ا«¯ )½s3t @ ®/0! itpj® ¼ )Ax½ A6½ AF½ DE½ xE½ A@½ xD½ xA ;دخالت جدول أقسام "! G % 2قية القGا*اتs3t DuuuTT uuu …. 2يا$ات *( القرN )أقسام( …. النسخة املر¿وية ;H جدول أقسام "! G … % أواخر القرs3t qTT qD uuuN النسخة املر¿وية ;H ترويسة أقسام "! G 'تl)ن *( أخر قGاw يقMC الع\)$ة…. *( القرs3t q@ uuuN 2داية القسم أول hت6ة صال<ة لال'تعامل $=ا2ة القسم ترويسة ترويسة ied¤b³¤`¹b جدول أقسام قسم @ o3p جدول أقسام 2داية القسم أخر hت6ة صال<ة لال'تعامل $=ا2ة القسم جدول أقسام ا7تيا¥ية جدول أقسام أولية "! الحامية %$# *-,(+*()'PM$% & P )قطاs3t E w( يقv *( الكت6ة امل\Gقية ا+وىل s3t E *( القرPQ LNا القطاw ي\zأ *ند ت=يئة قرLGPj N و6mك $فس 2\ية السMr التق6يدo3p J لك\W يتkمH مدخ6ة واحدة فقط % جدول ا+قسام w($ L ½// تستخدم فقط ل6ت)افق ;v اإلصداIات السا2قةuU Z S u قطاs3t E w ميكH أن يستMy أيضا % |عدا?ات 'Mr اإلقالw ال=rني )أ$#ر أ'فu)M % ويندو~ ZB8L القطاw املE ¦6G *( قرLGPj N 'ي#M ي<ت)J *( $فس شفرة اإلقالw لكv; H ا»'ت9ناVات التالية¯ ت)قيv قرN ويندو~ أن Á 'يك)ن ;Oفر “.. .. .. ..u لكH |ذا تم وصPQ Mا القرr2 Nها~ $ظام ;M9 ويندو~ PQ Ãiا ا+خري ')R يخOص ت)قيv ل6قرuN أيضا املدخ6ة ال)7يدة % جدول أقسام GPj 'ت<مM أقىص قيم 82qTD ;مك\ة )7تى و|ن TD كان القر6m Nك 'عة أقDuD H; M تريابايu)8 جميv أقراGPj N التي ت\zأ % ويندو~ ZB8u 'تم6ك $فس امل<ت)] % uio3p ومبا أن مايكرو')ف8 تستخدم $فس قيمة املدخ6ة ;v ا+قراLN ')اV كا$8 أصyر أو أك> ;DuD Hتريابايx@D × D ( 8( ف=Pا يع\ي أ$ها تخال. ;)اصفة !L /0 التي تتCعها أ$#مة لي\lس و أM2 ما{ والتي تق)ل¯ يnr مت9يr7 Mم القرN ناقص واحد % 7قÅb!_s3t M`5 أو القيمة Ex00000000 |ذا كان » ميكH مت9يr7 Mم القرN ا+PQ % <hا ال<قuM لكH 2ع1 أ$#مة التشyيM 'تع6¦ |ذا صا?ف8 القيمة uEx00000000 والقيمة Ex0/000000 ميكH أن تساعد % |قالw أ$#مة u U Ax S Y 3!45 / 0 1 ;<ت)] ied¤b³¤`¹b o3p cc `¡¼Bcb¹B¸ca ²¸¼x@D ³df_¤¼@ DÆBcb¹B_fÇÇ È ½bxcfg± q©¹ قGاMr' w الحامية ªS E,0,1(Y s3t E( ied¤b³¤`¹b o3p©( 0000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| [Removed] 01B0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| 01C0 02 00 EE FF FF FF 01 00 00 00 FF FF FF FF 00 00 |................| 01D0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| 01E0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| 01F0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 55 AA |..............U.| 0200 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| [Removed] 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F 0123456789ABCDEF ¥)ل 2اي8 |~ا7ة 2ايI 8;, تhPرJ )% امل)اصفة( ;\Gقة شفرة |قالuw » تستخد;=ا أ$#مة !0/ )لHl تستخدم % وي\دو~ (!( 3dd¤©dcb E AAE ت)قيv فريد ل6قرo3p N, » تستخدم، )z7) 2اي8 صفر( Êfbo3p"`¸´Sig_a¤feb AAE A`_ Xري ;عروuR » يستخدم، )z7) 2اي8 صفر( d£_ AAA D_´_ جدول أقسامu تستخدم ;دخ6ة قسم وا7د فق&H; L أصUxDS iae¤`¤`d_pb³dec AA6 @6 Ë A uo3p % A M ت)قيv القGاExttxx w )2ايx@E 8 يkم Exxx و @@x يkم (Extt ;هام hان r7م القGاSig_a¤feb x@E D w ;<u~(r 2قية الlت6ة امل\Gقية، )|ن وجدت(، تl)ن ;<r)~ة. ;z7 v) 2اي8 صفر. r7 U xT Sم الlت6ة امل\Gقية pb¸be¹bc x@D x@Dq ا»7تيا¥ية Gij قسم قسم قسم قسم 5i/ ا+ولية Gij ied¤b³¤`¹b o3p قسم 7امية Gij s3t E s3t Å تخGي& قرGij N ـ– A أقسام مied¤b³¤`¹b o3p v )م9ال من أ2Iعة أقسام( ا»7تيا¥ية Gij قسم قسم قسم قسم 5i/ ا+ولية Gij ied¤b³¤`¹b o3p *\اويs3t¸ H التي » تGyي=ا 2\ية 2يا$ات o3p قسم 7امية Gij s3t E s3t Ex00000000 s3t Å $=اية القرN تخGي& قرA – Y Gij N أقسام مv قGاQ ied¤b³¤`¹b o3p w\ا 'عة القرN تتrاو~ حد uEx00000000 )م9ال من أ2Iعة أقسام( 2ع1 أ?وات أ$#مة تشyيLGPj M ت^{ فراغات 2عد Mh قسم )عادة r>2م D8@ ;يغابايÍ )8 تستخد;ها مستقCال أ?وات القرuN وXIم أ$ها ليس6G; 8)2ة % أقراLGPj N لك\ها قد تساعد % صيا$ة القرN مستقCالu % 2رنا;: ´¸`lm GPj ¡c\ك ا'تخدام خياv·(- I القسم النسCي % |نشاV هذه الفراغات );9الL 2تعيني بداية القطاw |ىل “UAxSY)ÂÎ@D8o هذه املساحات ميكH ا'تyاللها % |نشاV أقسام |ضافية % 7دو? D8@ قسمu ;kم)ن ;دخ6ة قسم ied¤b³¤`¹b o3p قGاMr' w الحامية s3t E( ied¤b³¤`¹b o3p( 0000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| [Removed] 01B0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| 01C0 02 00 EE FF FF FF 01 00 00 00 FF FF FF FF 00 00 |................| 01D0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| 01E0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| 01F0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 55 AA |..............U.| 0200 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| [Removed] 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F 0123456789ABCDEF ;Ïرش |قالw )» يستخدم( لl6ت6ة امل\Gقية ال9ا$ية *( القرuN )*\)ان ترويسة w($ )Gij القسم ½// أGij ied¤b³¤`¹b J)تr7 Ð(Gم القرN املمHl -9يo3p % W6( لl6ت6ة امل\Gقية ا+خرية *( القرuN *\)ان ترويسة أقسام Gij )قيم r7 )s3tم القرN $اقص وا7د )أو 'تl)ن Ex00000000( |~ا7ة قيمة ¥)ل 2ايI 8;, تhPرJ 2اي8 قGاw ;Ïرش |قالLw 'يl)ن ?ا¨ا ExEEل¶شاIة |ىل أن القسم » يقMC اإلقالuw أv\; J $#ام التشyيM أو $#ام 45!3 التق6يدH; J |قالPQ wا القرص؛ أ$#مة !B /0!0/ » تستخدم 3dd¤!_c`³a¤de @3/½ E @ .
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    Compaq Computer Corporation Phoenix Technologies Ltd. Intel Corporation BIOS Boot Specification Version 1.01 January 11, 1996 This specification has been made available to the public. You are hereby granted the right to use, implement, reproduce, and distribute this specification with the foregoing rights at no charge. This specification is, and shall remain, the property of Compaq Computer Corporation (“Compaq”), Phoenix Technologies Ltd (“Phoenix”), and Intel Corporation (“Intel”). NEITHER COMPAQ, PHOENIX NOR INTEL MAKE ANY REPRESENTATION OR WARRANTY REGARDING THIS SPECIFICATION OR ANY PRODUCT OR ITEM DEVELOPED BASED ON THIS SPECIFICATION. USE OF THIS SPECIFICATION FOR ANY PURPOSE IS AT THE RISK OF THE PERSON OR ENTITY USING IT. COMPAQ, PHOENIX AND INTEL DISCLAIM ALL EXPRESS AND IMPLIED WARRANTIES, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND FREEDOM FROM INFRINGEMENT. WITHOUT LIMITING THE GENERALITY OF THE FOREGOING, NEITHER COMPAQ, PHOENIX NOR INTEL MAKE ANY WARRANTY OF ANY KIND THAT ANY ITEM DEVELOPED BASED ON THIS SPECIFICATION, OR ANY PORTION OF IT, WILL NOT INFRINGE ANY COPYRIGHT, PATENT, TRADE SECRET OR OTHER INTELLECTUAL PROPERTY RIGHT OF ANY PERSON OR ENTITY IN ANY COUNTRY. Table of Contents 1.0 INTRODUCTION 5 1.1 REVISION HISTORY 5 1.2 RELATED DOCUMENTS 5 1.3 PURPOSE 5 1.4 TERMS 6 2.0 OVERVIEW 9 2.1 DESCRIPTION 9 3.0 IPL DEVICES 10 3.1 REQUIREMENTS FOR IPL DEVICES 10 3.1.1 IPL TABLE 10 3.1.2 PRODUCT NAME STRING 11 3.2 BAIDS 11 3.3 DEVICES WITH PNP EXPANSION HEADERS
  • Multiple Stakeholder Model Revision 3.40

    Multiple Stakeholder Model Revision 3.40

    R E Multiple Stakeholder Model F Published E Family “2.0” R Level 00 Revision 3.40 2 May 2016 E N C Contact: [email protected] E TCG PUBLISHED Copyright © TCG 2012-2016 TCG Published - Multiple Stakeholder Model Copyright TCG Copyright ©2012-2016 Trusted Computing Group, Incorporated. Disclaimer THIS REFERENCE DOCUMENT IS PROVIDED "AS IS" WITH NO WARRANTIES WHATSOEVER, INCLUDING ANY WARRANTY OF MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR ANY PARTICULAR PURPOSE, OR ANY WARRANTY OTHERWISE ARISING OUT OF ANY PROPOSAL, WHITE PAPER, OR SAMPLE. Without limitation, TCG disclaims all liability, including liability for infringement of any proprietary rights, relating to use of information in this reference document, and TCG disclaims all liability for cost of procurement of substitute goods or services, lost profits, loss of use, loss of data or any incidental, consequential, direct, indirect, or special damages, whether under contract, tort, warranty or otherwise, arising in any way out of use or reliance upon this document or any information herein. No license, express or implied, by estoppel or otherwise, to any TCG or TCG member intellectual property rights is granted herein. Contact the Trusted Computing Group at www.trustedcomputinggroup.org for information on TCG licensing through membership agreements. Any marks and brands contained herein are the property of their respective owners. Page ii TCG PUBLISHED Family “2.0” 2 May 2016 Copyright © TCG 2012-2016 Level 00 Revision 3.40 Published- Multiple Stakeholder Model Copyright TCG Acknowledgments The TCG wishes to thank all those who contributed to this reference document. Ronald Aigner Microsoft Bo Bjerrum Intel Corporation Alec Brusilovsky InterDigital Communications, LLC David Challener Johns Hopkins University, Applied Physics Lab Michael Chan Samsun Semiconductor Inc.
  • Ada User Journal

    Ada User Journal

    ADA Volume 38 USER Number 2 June 2017 JOURNAL Contents Page Editorial Policy for Ada User Journal 66 Editorial 67 Quarterly News Digest 68 Conference Calendar 87 Forthcoming Events 92 Community Input for the Maintenance and Revision of the Ada Programming Language 96 Ada-Europe 2017 Panel E. Ploerederer and J. Garrido “Panel Session Summary: The Future of Safety-Minded Languages” 97 Articles B. I. Sandén “Protocol Monitors: a Control-System Structuring Concept” 99 A. Ghorbel, N. Ben Amor and M. Jallouli “Towards a Power Adaptation Strategy in Multi-core Embedded Devices. A Case Study: a HMI for Wheelchair Command Technique” 105 Ada-Europe Associate Members (National Ada Organizations) 112 Ada-Europe Sponsors Inside Back Cover Ada User Journal Volume 38, Number 2, June 2017 66 Editorial Policy for Ada User Journal Publication Original Papers a wider audience. This includes papers Ada User Journal — The Journal for Manuscripts should be submitted in published in North America that are the international Ada Community — is accordance with the submission not easily available in Europe. published by Ada-Europe. It appears guidelines (below). We have a reciprocal approach in four times a year, on the last days of granting permission for other March, June, September and All original technical contributions are submitted to refereeing by at least two publications to reprint papers originally December. Copy date is the last day of published in Ada User Journal. the month of publication. people. Names of referees will be kept confidential, but their comments will Commentaries Aims be relayed to the authors at the discretion of the Editor.
  • Enabling Next Generation Configuration And

    Enabling Next Generation Configuration And

    presented by Enabling Next Generation Configuration and Power Management on ARM Presented by Dong Wei, HP Fellow UEFI Forum Vice President (Chief Executive), ACPI SIG Secretary Oct 28, 2013 Updated 2011-06-01 The UEFI Forum www.uefi.org 1 ACPI Technology • Static tables and primary runtime interpreted control methods provided by system firmware to the OS for system configuration, power management and error ACPI Spec defined Tables handling Referenced but not specified in the ACPI Spec • Processor architecture agnostic The UEFI Forum www.uefi.org 2 ACPI Governance • ACPI SIG – HP, Intel, Microsoft, Phoenix and Toshiba are Promoters – 10 additional Contributing Adopters – 5 additional Adopters ACPI SIG HP/Intel/Microsoft/Phoenix/Toshiba The UEFI Forum www.uefi.org 3 UEFI Technology • Platform Initialization (PI): – Interfaces produced & consumed by firmware only; promote interoperability between firmware components • UEFI: – Pre-OS (and limited runtime program interfaces) between UEFI Applications (incl. OSes)/UEFI Drivers and system firmware The UEFI Forum www.uefi.org 4 The UEFI Forum Organization Chart Officers: Board of Directors (11 Promoters) President: Mark Doran (Intel); VP (CEO): Dong Wei (HP) Secretary: Jeff Bobzin (Insyde); Treasurer: Bill Keown (Lenovo) Industry & UEFI Platform Communications Specification Initialization Test WG WG WG WG Security Security Subteam Subteam Configuration Subteam 11 Promoters Network 40 Contributors Subteam 184 Adopters Shell 15 Individual Adopters Subteam ARM Binding Subteam 250 Members The UEFI
  • Virus Infection Techniques: Boot Record Viruses

    Virus Infection Techniques: Boot Record Viruses

    Virus Infection Techniques: Boot Record Viruses Bill Harrison CS4440/7440 Malware Analysis and Defense Reading } Start reading Chapter 4 of Szor 2 Virus Infection Techniques } We will survey common locations of virus infections: MBR (Master Boot Record) Boot sector Executable files (*.EXE, *.COM, *.BAT, etc.) } Most of the examples of these viruses, especially the first two types, are from the DOS and floppy disk era 3 Why Study Older Viruses? } Vulnerabilities remain very similar over time, along with the means to exploit them and defend against them } Modern Internet worms differ mainly in the use of the internet for transport, and are otherwise similar to older viruses } Older viruses illustrate the virus vs. antivirus battle over many generations 4 Boot-up Infections and the PC Boot-up Sequence } PC boot-up sequence: 1. BIOS searches for boot device (might be a diskette, hard disk, or CD-ROM) 2. MBR (Master Boot Record) is read into memory from the beginning of the first disk partition; execution proceeds from memory 5 Master Boot Record Structure Boot-up Sequence cont’d. 3. Beginning of MBR has tiny code called the boot- strap loader 4. Data area within MBR has the disk PT (partition table) 5. Boot-strap loader reads PT and finds the active boot partition 6. Boot-strap loader loads the first sector of the active partition into memory and jumps to it; this is called the boot sector 7 Boot-up Sequence cont’d. } MBR is always at BIOS the very first sector of the hard MBR: Expanded View MBR Boot-strap loader code (446 disk (first 512
  • OS X Mavericks

    OS X Mavericks

    OS X Mavericks Core Technologies Overview October 2013 Core Technologies Overview 2 OS X Mavericks Contents Page 4 Introduction Page 5 System Startup BootROM EFI Kernel Drivers Initialization Address Space Layout Randomization (ASLR) Compressed Memory Power Efficiency App Nap Timer Coalescing Page 10 Disk Layout Partition Scheme Core Storage File Systems Page 12 Process Control Launchd Loginwindow Grand Central Dispatch Sandboxing GateKeeper XPC Page 19 Network Access Ethernet Wi-Fi Multihoming IPv6 IP over Thunderbolt Network File Systems Access Control Lists Directory Services Remote Access Bonjour Page 25 Document Lifecycle Auto Save Automatic Versions Document Management Version Management iCloud Storage Core Technologies Overview 3 OS X Mavericks Page 28 Data Management Spotlight Time Machine Page 30 Developer Tools Xcode LLVM Instruments Accelerate Automation WebKit Page 36 For More Information Core Technologies Overview 4 OS X Mavericks Introduction With more than 72 million users—consumers, scientists, animators, developers, and system administrators—OS X is the most widely used UNIX® desktop operating system. In addition, OS X is the only UNIX environment that natively runs Microsoft Office, Adobe Photoshop, and thousands of other consumer applications—all side by side with traditional command-line UNIX applications. Tight integration with hardware— from the sleek MacBook Air to the powerful Mac Pro—makes OS X the platform of choice for an emerging generation of power users. This document explores the powerful industry standards and breakthrough innovations in the core technologies that power Apple’s industry-leading user experiences. We walk you through the entire software stack, from firmware and kernel to iCloud and devel- oper tools, to help you understand the many things OS X does for you every time you use your Mac.
  • ZFS Boot Environments Reloaded NLUUG ZFS Boot Environments Reloaded

    ZFS Boot Environments Reloaded NLUUG ZFS Boot Environments Reloaded

    ZFS Boot Environments Reloaded NLUUG ZFS Boot Environments Reloaded Sławomir Wojciech Wojtczak [email protected] vermaden.wordpress.com twitter.com/vermaden https://is.gd/BECTL ntro !"#$%##%#& ZFS Boot Environments Reloaded NLUUG What is ZFS Boot Environment? Its bootable clone%sna(shot of the working system. What it is' !"#$%##%#& ZFS Boot Environments Reloaded NLUUG What is ZFS Boot Environment? Its bootable clone%sna(shot of the working system. ● In ZFS terminology its clone of the snapshot. ZFS dataset → ZFS dataset@snapshot → ZFS clone (origin=dataset@snapshot) What it is' !"#$%##%#& ZFS Boot Environments Reloaded NLUUG What is ZFS Boot Environment? Its bootable clone%sna(shot of the working system. ● In ZFS terminology its clone of the snapshot. ZFS dataset → ZFS dataset@snapshot → ZFS clone (origin=dataset@snapshot) ● In ZFS (as everywhere) sna(shot is read onl). What it is' !"#$%##%#& ZFS Boot Environments Reloaded NLUUG What is ZFS Boot Environment? Its bootable clone%sna(shot of the working system. ● In ZFS terminology its clone of the snapshot. ZFS dataset → ZFS dataset@snapshot → ZFS clone (origin=dataset@snapshot) ● In ZFS (as everywhere) sna(shot is read onl). ● In ZFS clone can be mounted read write (and you can boot from it). What it is' !"#$%##%#& ZFS Boot Environments Reloaded NLUUG What is ZFS Boot Environment? Its bootable clone%sna(shot of the working system. ● In ZFS terminology its clone of the snapshot. ZFS dataset → ZFS dataset@snapshot → ZFS clone (origin=dataset@snapshot) ● In ZFS (as everywhere) sna(shot is read onl). ● In ZFS clone can be mounted read write (and you can boot from it).