KR20150129764A - 하드웨어 테이블 워크 (ｈｗｔｗ) 를 수행할 경우에 특정 조건들 하에서 레지스터의 콘텐츠로의 미허가 액세스를 방지하는 방법 및 장치 - Google Patents

하드웨어 테이블 워크 (ｈｗｔｗ) 를 수행할 경우에 특정 조건들 하에서 레지스터의 콘텐츠로의 미허가 액세스를 방지하는 방법 및 장치 Download PDF

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KR20150129764A
KR20150129764A KR1020157027418A KR20157027418A KR20150129764A KR 20150129764 A KR20150129764 A KR 20150129764A KR 1020157027418 A KR1020157027418 A KR 1020157027418A KR 20157027418 A KR20157027418 A KR 20157027418A KR 20150129764 A KR20150129764 A KR 20150129764A
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South Korea
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decision
logic
contents
computer system
register
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English (en)
Korean (ko)
Inventor
토마스 정
아제딘 투즈니
충 렌 쳉
필 제이 보스틀리
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퀄컴 인코포레이티드
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Withdrawn legal-status Critical Current

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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/14—Protection against unauthorised use of memory or access to memory
    • G06F12/1416—Protection against unauthorised use of memory or access to memory by checking the object accessibility, e.g. type of access defined by the memory independently of subject rights
    • G06F12/1425—Protection against unauthorised use of memory or access to memory by checking the object accessibility, e.g. type of access defined by the memory independently of subject rights the protection being physical, e.g. cell, word, block
    • G06F12/1441—Protection against unauthorised use of memory or access to memory by checking the object accessibility, e.g. type of access defined by the memory independently of subject rights the protection being physical, e.g. cell, word, block for a range
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/14—Protection against unauthorised use of memory or access to memory
    • G06F12/1416—Protection against unauthorised use of memory or access to memory by checking the object accessibility, e.g. type of access defined by the memory independently of subject rights
    • G06F12/145—Protection against unauthorised use of memory or access to memory by checking the object accessibility, e.g. type of access defined by the memory independently of subject rights the protection being virtual, e.g. for virtual blocks or segments before a translation mechanism
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
    • G06F12/10—Address translation
    • G06F12/1027—Address translation using associative or pseudo-associative address translation means, e.g. translation look-aside buffer [TLB]
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/14—Protection against unauthorised use of memory or access to memory
    • G06F12/1458—Protection against unauthorised use of memory or access to memory by checking the subject access rights
    • G06F12/1466—Key-lock mechanism
    • G06F12/1475—Key-lock mechanism in a virtual system, e.g. with translation means
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/14—Protection against unauthorised use of memory or access to memory
    • G06F12/1458—Protection against unauthorised use of memory or access to memory by checking the subject access rights
    • G06F12/1491—Protection against unauthorised use of memory or access to memory by checking the subject access rights in a hierarchical protection system, e.g. privilege levels, memory rings
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
    • G06F21/78—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure storage of data
    • G06F21/79—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure storage of data in semiconductor storage media, e.g. directly-addressable memories
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
    • G06F9/45504—Abstract machines for programme code execution, e.g. Java virtual machine [JVM], interpreters, emulators
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2212/00—Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
    • G06F2212/10—Providing a specific technical effect
    • G06F2212/1032—Reliability improvement, data loss prevention, degraded operation etc
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2212/00—Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
    • G06F2212/15—Use in a specific computing environment
    • G06F2212/151—Emulated environment, e.g. virtual machine
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2212/00—Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
    • G06F2212/15—Use in a specific computing environment
    • G06F2212/152—Virtualized environment, e.g. logically partitioned system
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2212/00—Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
    • G06F2212/65—Details of virtual memory and virtual address translation
    • G06F2212/654—Look-ahead translation
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2212/00—Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
    • G06F2212/68—Details of translation look-aside buffer [TLB]

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Security & Cryptography (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • Storage Device Security (AREA)
  • Memory System Of A Hierarchy Structure (AREA)
KR1020157027418A 2013-03-05 2014-03-04 하드웨어 테이블 워크 (ｈｗｔｗ) 를 수행할 경우에 특정 조건들 하에서 레지스터의 콘텐츠로의 미허가 액세스를 방지하는 방법 및 장치 Withdrawn KR20150129764A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13/785,979 2013-03-05
US13/785,979 US9330026B2 (en) 2013-03-05 2013-03-05 Method and apparatus for preventing unauthorized access to contents of a register under certain conditions when performing a hardware table walk (HWTW)
PCT/US2014/020185 WO2014138005A1 (en) 2013-03-05 2014-03-04 Method and apparatus for preventing unauthorized access to contents of a register under certain conditions when performing a hardware table walk (hwtw)

Publications (1)

Publication Number Publication Date
KR20150129764A true KR20150129764A (ko) 2015-11-20

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KR1020157027418A Withdrawn KR20150129764A (ko) 2013-03-05 2014-03-04 하드웨어 테이블 워크 (ｈｗｔｗ) 를 수행할 경우에 특정 조건들 하에서 레지스터의 콘텐츠로의 미허가 액세스를 방지하는 방법 및 장치

Country Status (7)

Country Link
US (2) US9330026B2 (enExample)
EP (1) EP2965211A1 (enExample)
JP (1) JP6301378B2 (enExample)
KR (1) KR20150129764A (enExample)
CN (1) CN105027097B (enExample)
TW (1) TW201447584A (enExample)
WO (1) WO2014138005A1 (enExample)

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US12248560B2 (en) * 2016-03-07 2025-03-11 Crowdstrike, Inc. Hypervisor-based redirection of system calls and interrupt-based task offloading
US10386904B2 (en) * 2016-03-31 2019-08-20 Qualcomm Incorporated Hardware managed power collapse and clock wake-up for memory management units and distributed virtual memory networks
US10339324B2 (en) * 2016-12-22 2019-07-02 Apple Inc. Tamper-proof storage using signatures based on threshold voltage distributions
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Also Published As

Publication number Publication date
WO2014138005A1 (en) 2014-09-12
EP2965211A1 (en) 2016-01-13
US20170083456A1 (en) 2017-03-23
US9330026B2 (en) 2016-05-03
JP6301378B2 (ja) 2018-03-28
CN105027097A (zh) 2015-11-04
JP2016513836A (ja) 2016-05-16
TW201447584A (zh) 2014-12-16
CN105027097B (zh) 2018-01-16
US20140258663A1 (en) 2014-09-11

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PA0105 International application

Patent event date: 20151002

Patent event code: PA01051R01D

Comment text: International Patent Application

PG1501 Laying open of application
PC1203 Withdrawal of no request for examination
WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid