{"id":50815,"date":"2023-07-19T05:04:43","date_gmt":"2023-07-18T21:04:43","guid":{"rendered":"http:\/\/stmu.1000uc.com\/mu\/?p=50815"},"modified":"2023-07-19T05:04:43","modified_gmt":"2023-07-18T21:04:43","slug":"%e5%a5%87%e8%bf%b9mu%e6%80%8e%e4%b9%88%e5%9c%b0%e5%9b%be%e4%bc%a0%e9%80%81%ef%bc%8c%e5%a5%87%e8%bf%b9mu%e5%ae%98%e6%96%b9%e7%9a%84%e6%8f%90%e7%82%bc%e4%b9%8b%e5%a1%94%e6%80%8e%e4%b9%88%e8%bf%9b","status":"publish","type":"post","link":"http:\/\/stmu.1000uc.com\/mu\/50815.html","title":{"rendered":"mu\u600e\u4e48\u5730\u56fe\u4f20\u9001\uff0cMU\u5b98\u65b9\u7684\u63d0\u70bc\u4e4b\u5854\u600e\u4e48\u8fdb\u6709\u4ec0\u4e48\u9650\u5236\u9700\u8981\u505a\u4ec0\u4e48\u4efb\u52a1\u6216\u8005\u5e26\u4ec0\u4e48\u7269\u54c1\u5417"},"content":{"rendered":"

\u5927\u5bb6\u597d\uff0c\u4eca\u5929\u6765\u4e3a\u5927\u5bb6\u5206\u4eab\u5947\u8ff9mu\u600e\u4e48\u5730\u56fe\u4f20\u9001\u7684\u4e00\u4e9b\u77e5\u8bc6\u70b9\uff0c\u548c\u5947\u8ff9MU\u5b98\u65b9\u7684\u63d0\u70bc\u4e4b\u5854\u600e\u4e48\u8fdb\u6709\u4ec0\u4e48\u9650\u5236\u9700\u8981\u505a\u4ec0\u4e48\u4efb\u52a1\u6216\u8005\u5e26\u4ec0\u4e48\u7269\u54c1\u5417\u7684\u95ee\u9898\u89e3\u6790\uff0c\u5927\u5bb6\u8981\u662f\u90fd\u660e\u767d\uff0c\u90a3\u4e48\u53ef\u4ee5\u5ffd\u7565\uff0c\u5982\u679c\u4e0d\u592a\u6e05\u695a\u7684\u8bdd\u53ef\u4ee5\u770b\u770b\u672c\u7bc7\u6587\u7ae0\uff0c\u76f8\u4fe1\u5f88\u5927\u6982\u7387\u53ef\u4ee5\u89e3\u51b3\u60a8\u7684\u95ee\u9898\uff0c\u63a5\u4e0b\u6765\u6211\u4eec\u5c31\u4e00\u8d77\u6765\u770b\u770b\u5427\uff01<\/p>\n

\u5947\u8ff9MU\u518d\u751f\u539f\u77f3\u600e\u4e48\u5f04<\/h3>\n

\u53ef\u4ee5\u901a\u8fc7\u574e\u7279\u9c81\u63d0\u70bc\u4e4b\u5854\u7684NPC\u827e\u5c14\u83f2\u4e1d\u63d0\u70bc\u6210\u529f\u5c31\u53ef\u4ee5\u53ef\u83b7\u5f97\u518d\u751f\u5b9d\u77f3.\u3002\u300a\u5947\u8ff9(MU)\u300b\u91cc\u7684\u518d\u751f\u539f\u77f3\u7684\u7528\u6cd5\uff1a<\/p>\n

1\u3001\u6253\u602a\u83b7\u5f97\u518d\u751f\u539f\u77f3\u53bb\u63d0\u70bc\u4e4b\u5854\uff08\u8fdb\u5165\u574e\u7279\u9c81\u9057\u5740\u7684141188\u4f4d\u7f6e\u7684\u4f20\u9001\u53f0\uff09\u3002<\/p>\n

2\u3001\u627e\u5230\uff08\u827e\u513f\u83f2\u4e1d\uff09\u628a\u539f\u77f3\u63d0\u70bc\u6210\u518d\u751f\u5b9d\u77f3\u3002<\/p>\n

3\u3001\u62ff\u5353\u8d8a\u7269\u54c1\u5230\u5927\u9646\u627e\u5230NPC\uff08\u5965\u65af\u672c\uff09\u628a\u7269\u54c1\u653e\u4e0a\u53bb\u8fdb\u884c\u51b6\u70bc\u6210\u9ad8\u7ea7\u8fdb\u5316\u5b9d\u77f3\u3002<\/p>\n

4\u3001\u62ff\u9ad8\u7ea7\u8fdb\u5316\u5b9d\u77f3\u70b9\u60a8\u5df2\u7ecf\u5f3a\u5316\u8fc7\u7684\u88c5\u5907\u3002<\/p>\n

5\u3001\u62ff380\u7ea7\u7684\u88c5\u5907\u5230\u4ed9\u8e2a\u6797\u53bb\u627e\u5408\u6210NPC\u9009\u62e9\u6700\u4e0b\u9762\u7684\u628a380\u7ea7\u7684\u88c5\u5907+\u518d\u751f\u5b9d\u77f3+\u5b88\u62a4\u5b9d\u77f3\u5408\u6210\u5c5e\u6027\u30027\u3001\u5bf9\u60a8\u5f3a\u5316\u7684\u5c5e\u6027\u4e0d\u6ee1\u610f\uff0c\u53ef\u4ee5\u53bb\u5927\u9646\u9152\u5427\u9644\u8fd1\u627e\u5230\uff08\u6770\u745e\u6566\uff09\u628a\u60a8\u7684\u88c5\u5907\u8fd8\u539f\u5373\u53ef\u3002<\/p>\n

\u5947\u8ff9(MU)\u91cc\u7684\u518d\u751f\u539f\u77f3\u6709\u4ec0\u4e48\u4f5c\u7528\u600e\u4e48\u7528\u5b83<\/h3>\n

\u518d\u751f\u539f\u77f3\u7684\u4f5c\u7528\u662f\uff1a\u53ef\u4ee5\u901a\u8fc7\u574e\u7279\u9c81\u63d0\u70bc\u4e4b\u5854\u7684NPC\u827e\u5c14\u83f2\u4e1d\u63d0\u70bc\u6210\u529f\u5c31\u53ef\u4ee5\u53ef\u83b7\u5f97\u518d\u751f\u5b9d\u77f3.\u3002\u300a\u5947\u8ff9(MU)\u300b\u91cc\u7684\u518d\u751f\u539f\u77f3\u7684\u7528\u6cd5\uff1a<\/p>\n

1\u3001\u6253\u602a\u83b7\u5f97\u518d\u751f\u539f\u77f3\u53bb\u63d0\u70bc\u4e4b\u5854\uff08\u8fdb\u5165\u574e\u7279\u9c81\u9057\u5740\u7684141188\u4f4d\u7f6e\u7684\u4f20\u9001\u53f0\uff09\u3002<\/p>\n

2\u3001\u627e\u5230\uff08\u827e\u513f\u83f2\u4e1d\uff09\u628a\u539f\u77f3\u63d0\u70bc\u6210\u518d\u751f\u5b9d\u77f3\u3002<\/p>\n

3\u3001\u62ff\u5353\u8d8a\u7269\u54c1\u5230\u5927\u9646\u627e\u5230NPC\uff08\u5965\u65af\u672c\uff09\u628a\u7269\u54c1\u653e\u4e0a\u53bb\u8fdb\u884c\u51b6\u70bc\u6210\u9ad8\u7ea7\u8fdb\u5316\u5b9d\u77f3\u3002<\/p>\n

4\u3001\u62ff\u9ad8\u7ea7\u8fdb\u5316\u5b9d\u77f3\u70b9\u60a8\u5df2\u7ecf\u5f3a\u5316\u8fc7\u7684\u88c5\u5907\u3002<\/p>\n

5\u3001\u62ff380\u7ea7\u7684\u88c5\u5907\u5230\u4ed9\u8e2a\u6797\u53bb\u627e\u5408\u6210NPC\u9009\u62e9\u6700\u4e0b\u9762\u7684\u628a380\u7ea7\u7684\u88c5\u5907+\u518d\u751f\u5b9d\u77f3+\u5b88\u62a4\u5b9d\u77f3\u5408\u6210\u5c5e\u6027\u30027\u3001\u5bf9\u60a8\u5f3a\u5316\u7684\u5c5e\u6027\u4e0d\u6ee1\u610f\uff0c\u53ef\u4ee5\u53bb\u5927\u9646\u9152\u5427\u9644\u8fd1\u627e\u5230\uff08\u6770\u745e\u6566\uff09\u628a\u60a8\u7684\u88c5\u5907\u8fd8\u539f\u5373\u53ef\u3002\u9ad8\u7ea7\u8fdb\u5316\u5b9d\u77f3\uff1a\u7528\u4e8e\u8fdb\u5316\u7269\u54c1\u7684\u5b9d\u77f3:\u662f\u51b6\u70bc\u5353\u8d8a\u7269\u54c1\u65f6\u4ee5\u4e00\u5b9a\u6982\u7387\u751f\u6210\u7684\u5b9d\u77f3\uff0c\u53ef\u5347\u7ea7\u6b66\u5668\u4ee5\u53ca\u9632\u5177\u7684\u5f3a\u5316\u5c5e\u6027\u3002\u5347\u7ea7\u6210\u529f\u6982\u7387\u6bd4\u4f4e\u7ea7\u8fdb\u5316\u5b9d\u77f3\u9ad8\u4e00\u7b79\u3002\u4f4e\u7ea7\u8fdb\u5316\u5b9d\u77f3:\u7528\u4e8e\u8fdb\u5316\u7269\u54c1\u7684\u5b9d\u77f3\u3002\u662f\u51b6\u70bc\u4e00\u822c\u7269\u54c1\u65f6\u4ee5\u4e00\u5b9a\u6982\u7387\u751f\u6210\u7684\u5b9d\u77f3\uff0c\u53ef\u5347\u7ea7\u6b66\u5668\u4ee5\u53ca\u9632\u5177\u7684\u5f3a\u5316\u5c5e\u6027\u3002\u518d\u751f\u5b9d\u77f3\u7684\u4f5c\u7528\u662f\uff1a\u7528\u4e8e\u7ed9380\u7ea7\u7269\u54c1\u8d4b\u4e88\u9644\u52a0\u5c5e\u6027\u6216\u7ed9\u7269\u54c1\u8d4b\u4e88\u5f3a\u5316\u5c5e\u6027\u3002<\/p>\n

iommu\u5728dma\u4f20\u8f93\u65f6\u600e\u4e48\u5de5\u4f5c<\/h3>\n

DMAremapping\u5c31\u662f\u5728DMA\u7684\u8fc7\u7a0b\u4e2dIOMMU\u8fdb\u884c\u4e86\u4e00\u6b21\u8f6c\u6362\uff0cMMU\u628aCPU\u7684\u865a\u62df\u5730\u5740(va)\u8f6c\u6362\u6210\u7269\u7406\u5730\u5740(pa)\uff0cIOMMU\u7684\u4f5c\u7528\u5c31\u662f\u628aDMA\u7684\u865a\u62df\u5730\u5740(iova)\u8f6c\u6362\u6210\u7269\u7406\u5730\u5740(pa)\uff0cMMU\u8f6c\u6362\u65f6\u7528\u5230\u4e86pagetable\uff0cIOMMU\u8f6c\u6362\u4e5f\u8981\u7528\u5230iopagetable\uff0c\u4e24\u8005\u90fd\u662f\u8f6f\u4ef6\u8d1f\u8d23\u521b\u5efapagetable\uff0c\u786c\u4ef6\u8d1f\u8d23\u8f6c\u6362\u3002<\/p>\n

\u5947\u8ff9MU\u5b98\u65b9\u7684\u63d0\u70bc\u4e4b\u5854\u600e\u4e48\u8fdb\u6709\u4ec0\u4e48\u9650\u5236\u9700\u8981\u505a\u4ec0\u4e48\u4efb\u52a1\u6216\u8005\u5e26\u4ec0\u4e48\u7269\u54c1\u5417<\/h3>\n

\u4f60\u5982\u679c\u53ea\u60f3\u8fdb\u53bb\u63d0\u70bc\u518d\u751f\u5b9d\u77f3\u7684\u8bdd\uff0c\u4e0d\u9700\u8981\u4ec0\u4e48\u60ac\u77f3\u7684\uff0c\u53bb\u9057\u5740\u5730\u56fe\uff0c\u7136\u540e\u5230\u91cc\u9762\u6709\u4e2a\u5927\u7684\u5706\u7684\u4f20\u9001\u9053\uff0c\u4f60\u76f4\u63a5\u6309\u4e00\u4e0b\u5c31\u53ef\u4ee5\u8fdb\u53bb\u4e86\uff0c\u5982\u679c\u6253\u4efb\u52a1\u7684\u8bdd\uff0c\u5e26\u7740\u60ac\u77f3\u3002<\/p>\n

\u5947\u8ff9mu\u9ec4\u91d1\u706b\u9f99\u738b\u5750\u6807<\/h3>\n

\u5237\u65b0\u4f4d\u7f6e\uff1a<\/p>\n

\u706b\u9f99\u738b\u6bcf\u6b21\u6765\u88ad\u4f1a\u5728\u51b0\u98ce\u8c37\u3001\u52c7\u8005\u5927\u9646\u3001\u4ed9\u8e2a\u6797\u968f\u673a\u4f4d\u7f6e\u5237\u65b0\u3002<\/p>\n

\u53ef\u5728\u4f20\u9001\u81f3\u5bf9\u5e94\u5730\u56fe\u8fdb\u884c\u5bfb\u627e\uff0c\u4e5f\u53ef\u4ee5\u5728\u804a\u5929\u9891\u9053\u7b49\u5019\u5176\u4ed6\u73a9\u5bb6\u53d1\u9001\u4f4d\u7f6e\u540e\u70b9\u51fb\u524d\u5f80\u3002<\/p>\n

\u6ce8\uff1a\u6bcf\u5f20\u5730\u56fe\u4e0a\u90fd\u53ef\u4ee5\u5237\u65b03\u4e2a\u706b\u9f99\u738b\uff0c\u5728\u53d1\u73b0\u706b\u9f99\u738b\u540e\u5c31\u53ef\u4ee5\u53ec\u96c6\u6218\u76df\u6210\u5458\u4e00\u8d77\u6253\u3002<\/p>\n

BOSS\u6389\u843d\u5956\u52b1<\/p>\n

1\u3001\u706b\u9f99\u9cde\u7247\uff0c\u53ef\u83b7\u5f97\u5927\u91cf\u7ecf\u9a8c\uff0c\u6bcf\u65e5\u62fe\u53d6\u4e0a\u965030\u4e2a\u3002<\/p>\n

2\u3001\u706b\u9f99\u4e4b\u5fc3\uff0c\u6709\u51e0\u7387\u83b7\u5f97\u5947\u8ff9\u5e01\u548c\u5b9d\u77f3\u3002\u6bcf\u65e5\u62fe\u53d6\u4e0a\u965030\u4e2a\u3002<\/p>\n

3\u3001\u706b\u9f99\u738b\u6709\u51e0\u7387\u6389\u843d\u9ec4\u91d1\u5b9d\u7bb1\u6216\u7ea2\u88c5\u3002<\/p>\n

\u5173\u4e8e\u5947\u8ff9mu\u600e\u4e48\u5730\u56fe\u4f20\u9001\u7684\u5185\u5bb9\u5230\u6b64\u7ed3\u675f\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u6709\u6240\u5e2e\u52a9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u5927\u5bb6\u597d\uff0c\u4eca\u5929\u6765\u4e3a\u5927\u5bb6\u5206\u4eab\u5947\u8ff9mu\u600e\u4e48\u5730\u56fe\u4f20\u9001\u7684\u4e00\u4e9b\u77e5\u8bc6\u70b9\uff0c\u548c\u5947\u8ff9MU\u5b98\u65b9\u7684\u63d0\u70bc\u4e4b\u5854\u600e\u4e48\u8fdb\u6709\u4ec0\u4e48\u9650\u5236\u9700\u8981\u505a\u4ec0\u4e48\u4efb\u52a1\u6216\u8005\u5e26\u4ec0\u4e48\u7269\u54c1\u5417\u7684\u95ee\u9898\u89e3\u6790\uff0c\u5927\u5bb6\u8981\u662f\u90fd\u660e\u767d\uff0c\u90a3\u4e48\u53ef\u4ee5\u5ffd\u7565\uff0c\u5982\u679c\u4e0d\u592a\u6e05\u695a\u7684\u8bdd\u53ef\u4ee5\u770b\u770b\u672c\u7bc7\u6587\u7ae0\uff0c\u76f8\u4fe1\u5f88\u5927\u6982\u7387\u53ef\u4ee5\u89e3\u51b3\u60a8\u7684\u95ee\u9898\uff0c\u63a5\u4e0b\u6765…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"topic":[],"_links":{"self":[{"href":"http:\/\/stmu.1000uc.com\/mu\/wp-json\/wp\/v2\/posts\/50815"}],"collection":[{"href":"http:\/\/stmu.1000uc.com\/mu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/stmu.1000uc.com\/mu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/stmu.1000uc.com\/mu\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/stmu.1000uc.com\/mu\/wp-json\/wp\/v2\/comments?post=50815"}],"version-history":[{"count":1,"href":"http:\/\/stmu.1000uc.com\/mu\/wp-json\/wp\/v2\/posts\/50815\/revisions"}],"predecessor-version":[{"id":50816,"href":"http:\/\/stmu.1000uc.com\/mu\/wp-json\/wp\/v2\/posts\/50815\/revisions\/50816"}],"wp:attachment":[{"href":"http:\/\/stmu.1000uc.com\/mu\/wp-json\/wp\/v2\/media?parent=50815"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/stmu.1000uc.com\/mu\/wp-json\/wp\/v2\/categories?post=50815"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/stmu.1000uc.com\/mu\/wp-json\/wp\/v2\/tags?post=50815"},{"taxonomy":"topic","embeddable":true,"href":"http:\/\/stmu.1000uc.com\/mu\/wp-json\/wp\/v2\/topic?post=50815"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}