JP2013047963A - 階層化された仮想化アーキテクチャにおける仮想化イベント処理 - Google Patents
階層化された仮想化アーキテクチャにおける仮想化イベント処理 Download PDFInfo
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- G—PHYSICS
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- 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
- G06F9/45533—Hypervisors; Virtual machine monitors
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/14—Handling requests for interconnection or transfer
- G06F13/20—Handling requests for interconnection or transfer for access to input/output bus
- G06F13/24—Handling requests for interconnection or transfer for access to input/output bus using interrupt
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- G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
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- G06F9/3861—Recovery, e.g. branch miss-prediction, exception handling
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Abstract
【解決手段】プロセッサ120は、仮想マシン制御構造(「VMCS」)132に記憶されたデータによってVMの動作を制御する。VMCS132は、1つ又は複数のゲストの状態、VMM140の状態、1つ又は複数のゲストの動作をVMM140がどのようにして制御するかを示す実行制御情報、VM退出及びVM突入に関する情報、何れかの他のそうした情報を含み得る構造である。プロセッサ120は、VMCS132からの情報を読み取って、VMの実行環境を定め、その特性を制限する。イベント・ロジック122は、仮想化イベントを認識する。評価ロジック123は、仮想化イベントに応じて制御を子ゲストから親ゲストに移すか否かを判定する。
【選択図】図1
Description
VMCSが親VMCSでない場合、子ポインタ233、253や263などのその子ポインタはヌル・ポインタであり得る。VMCSは、親を有していない場合、例えば、ルート・モードVMCSである場合、親ポインタ222などのその親ポインタはヌル・ポインタであり得る。あるいは、こうしたポインタを割愛することができる。一部の実施例では、ヌルVMCSポインタの「ヌル」値はゼロであり得る。別の実施例では、他の値を「ヌル」として解釈することができる。例えば、32ビット・アドレスを備えた一実施例では、値0xffffffffはヌルとして解釈することができる。
110 最低限のプラットフォームのハードウェア
120 プロセッサ
121 制御ロジック
122 イベント・ロジック
123 評価ロジック
124 退出ロジック
125 トップダウン・イベント・ロジック
126 ボトムアップ・イベント・ロジック
127 トップダウン評価ロジック
128 ボトムアップ評価ロジック
130 メモリ
132 VMCS
140 VMM
150 VM
152 ゲストOS
154 ゲストAPP
155 ゲストAPP
160 VM
162 ゲストVMM
170 VM
172 ゲストOS
180 VM
182 ゲストOS
210 最低限のプラットフォームのハードウェア
220 ゲスト
221 VMCS
222 PP
223 CP
230 ゲスト
231 VMCS
232 PP
233 CP
234 イベント・ビット
240 ゲスト
241 VMCS
242 PP
243 CP
244 イベント・ビット
250 ゲスト
251 VMCS
252 PP
253 CP
254 イベント・ビット
260 ゲスト
261 VMCS
262 PP
263 CP
264 イベント・ビット
Claims (3)
- プロセッサであって、
命令をデコードするための命令デコード・ロジックと、
前記命令を実行するための実行装置であって、少なくとも1つの命令の実行は割り込みをもたらす実行装置と、
前記割り込みを仮想マシン・モニタ(VMM)に送出するか、又はゲストに送出するかを判定するための第1のロジックと
を備え、
前記VMMが前記割り込みを受け取った場合、前記割り込みは前記VMMによって処理され、前記ゲストが前記割り込みを受け取った場合、前記割り込みは前記ゲストによって処理されるプロセッサ。 - 請求項1記載のプロセッサであって、第1の割り込み動作はデータ記憶装置割り込みを含むプロセッサ。
- 請求項1記載のプロセッサであって、第2の割り込み動作は特権化されたリソースに前記ゲストがアクセスしようとすることに応じるものであるプロセッサ。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/191,827 US9785485B2 (en) | 2005-07-27 | 2005-07-27 | Virtualization event processing in a layered virtualization architecture |
US11/191,827 | 2005-07-27 |
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JP2010047518A Division JP5172879B2 (ja) | 2005-07-27 | 2010-03-04 | 階層化された仮想化アーキテクチャにおける仮想化イベント処理 |
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JP2013047963A true JP2013047963A (ja) | 2013-03-07 |
JP5675743B2 JP5675743B2 (ja) | 2015-02-25 |
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JP2006203447A Pending JP2007035045A (ja) | 2005-07-27 | 2006-07-26 | 階層化された仮想化アーキテクチャにおける仮想化イベント処理 |
JP2010047518A Expired - Fee Related JP5172879B2 (ja) | 2005-07-27 | 2010-03-04 | 階層化された仮想化アーキテクチャにおける仮想化イベント処理 |
JP2011263341A Active JP5367802B2 (ja) | 2005-07-27 | 2011-12-01 | 階層化された仮想化アーキテクチャにおける仮想化イベント処理 |
JP2012219381A Expired - Fee Related JP5675743B2 (ja) | 2005-07-27 | 2012-10-01 | 階層化された仮想化アーキテクチャにおける仮想化イベント処理 |
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JP2006203447A Pending JP2007035045A (ja) | 2005-07-27 | 2006-07-26 | 階層化された仮想化アーキテクチャにおける仮想化イベント処理 |
JP2010047518A Expired - Fee Related JP5172879B2 (ja) | 2005-07-27 | 2010-03-04 | 階層化された仮想化アーキテクチャにおける仮想化イベント処理 |
JP2011263341A Active JP5367802B2 (ja) | 2005-07-27 | 2011-12-01 | 階層化された仮想化アーキテクチャにおける仮想化イベント処理 |
Country Status (4)
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US (8) | US9785485B2 (ja) |
EP (1) | EP1750199A1 (ja) |
JP (4) | JP2007035045A (ja) |
TW (1) | TWI336051B (ja) |
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JP2007035045A (ja) | 2007-02-08 |
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US20130024861A1 (en) | 2013-01-24 |
TWI336051B (en) | 2011-01-11 |
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