“`” \u53c2\u8003\u56de\u7b54\uff1a<\/p>\n
1\u3001\u6982\u5ff5\uff1a<\/p>\n
\u7269\u7406\u5730\u5740(physical address)<\/p>\n
\u7528\u4e8e\u5185\u5b58\u82af\u7247\u7ea7\u7684\u5355\u5143\u5bfb\u5740\uff0c\u4e0e\u5904\u7406\u5668\u548cCPU\u8fde\u63a5\u7684\u5730\u5740\u603b\u7ebf\u76f8\u5bf9\u5e94\u3002<\/p>\n
\u00a0<\/p>\n
\u867d\u7136\u53ef\u4ee5\u76f4\u63a5\u628a\u7269\u7406\u5730\u5740\u7406\u89e3\u6210\u63d2\u5728\u673a\u5668\u4e0a\u90a3\u6839\u5185\u5b58\u672c\u8eab\uff0c\u628a\u5185\u5b58\u770b\u6210\u4e00\u4e2a\u4ece0\u5b57\u8282\u4e00\u76f4\u5230\u6700\u5927\u7a7a\u91cf\u9010\u5b57\u8282\u7684\u7f16\u53f7\u7684\u5927\u6570\u7ec4\uff0c\u7136\u540e\u628a\u8fd9\u4e2a\u6570\u7ec4\u53eb\u505a\u7269\u7406\u5730\u5740\uff0c\u4f46\u662f\u4e8b\u5b9e\u4e0a\uff0c\u8fd9\u53ea\u662f\u4e00\u4e2a\u786c\u4ef6\u63d0\u4f9b\u7ed9\u8f6f\u4ef6\u7684\u62bd\u50cf\uff0c\u5185\u5b58\u7684\u5bfb\u5740\u65b9\u5f0f\u5e76\u4e0d\u662f\u8fd9\u6837\u3002\u6240\u4ee5\uff0c\u8bf4\u5b83\u662f\u201c\u4e0e\u5730\u5740\u603b\u7ebf\u76f8\u5bf9\u5e94\u201d\uff0c\u662f\u66f4\u8d34\u5207\u4e00\u4e9b\uff0c\u4e0d\u8fc7\u629b\u5f00\u5bf9\u7269\u7406\u5185\u5b58\u5bfb\u5740\u65b9\u5f0f\u7684\u8003\u8651\uff0c\u76f4\u63a5\u628a\u7269\u7406\u5730\u5740\u4e0e\u7269\u7406\u7684\u5185\u5b58\u4e00\u4e00\u5bf9\u5e94\uff0c\u4e5f\u662f\u53ef\u4ee5\u63a5\u53d7\u7684\u3002\u4e5f\u8bb8\u9519\u8bef\u7684\u7406\u89e3\u66f4\u5229\u4e8e\u5f62\u800c\u4e0a\u7684\u62bd\u50cf\u3002<\/p>\n
\u00a0<\/p>\n
\u865a\u62df\u5730\u5740(virtual memory)<\/p>\n
\u8fd9\u662f\u5bf9\u6574\u4e2a\u5185\u5b58\uff08\u4e0d\u8981\u4e0e\u673a\u5668\u4e0a\u63d2\u90a3\u6761\u5bf9\u4e0a\u53f7\uff09\u7684\u62bd\u50cf\u63cf\u8ff0\u3002\u5b83\u662f\u76f8\u5bf9\u4e8e\u7269\u7406\u5185\u5b58\u6765\u8bb2\u7684\uff0c\u53ef\u4ee5\u76f4\u63a5\u7406\u89e3\u6210\u201c\u4e0d\u76f4\u5b9e\u7684\u201d\uff0c\u201c\u5047\u7684\u201d\u5185\u5b58\uff0c\u4f8b\u5982\uff0c\u4e00\u4e2a0x08000000\u5185\u5b58\u5730\u5740\uff0c\u5b83\u5e76\u4e0d\u5bf9\u5c31\u7269\u7406\u5730\u5740\u4e0a\u90a3\u4e2a\u5927\u6570\u7ec4\u4e2d0x08000000 – 1\u90a3\u4e2a\u5730\u5740\u5143\u7d20\uff1b<\/p>\n
\u00a0<\/p>\n
\u4e4b\u6240\u4ee5\u662f\u8fd9\u6837\uff0c\u662f\u56e0\u4e3a\u73b0\u4ee3\u64cd\u4f5c\u7cfb\u7edf\u90fd\u63d0\u4f9b\u4e86\u4e00\u79cd\u5185\u5b58\u7ba1\u7406\u7684\u62bd\u50cf\uff0c\u5373\u865a\u62df\u5185\u5b58\uff08virtual memory\uff09\u3002\u8fdb\u7a0b\u4f7f\u7528\u865a\u62df\u5185\u5b58\u4e2d\u7684\u5730\u5740\uff0c\u7531\u64cd\u4f5c\u7cfb\u7edf\u534f\u52a9\u76f8\u5173\u786c\u4ef6\uff0c\u628a\u5b83\u201c\u8f6c\u6362\u201d\u6210\u771f\u6b63\u7684\u7269\u7406\u5730\u5740\u3002\u8fd9\u4e2a\u201c\u8f6c\u6362\u201d\uff0c\u662f\u6240\u6709\u95ee\u9898\u8ba8\u8bba\u7684\u5173\u952e\u3002<\/p>\n
\u00a0<\/p>\n
\u6709\u4e86\u8fd9\u6837\u7684\u62bd\u50cf\uff0c\u4e00\u4e2a\u7a0b\u5e8f\uff0c\u5c31\u53ef\u4ee5\u4f7f\u7528\u6bd4\u771f\u5b9e\u7269\u7406\u5730\u5740\u5927\u5f97\u591a\u7684\u5730\u5740\u7a7a\u95f4\u3002\u751a\u81f3\u591a\u4e2a\u8fdb\u7a0b\u53ef\u4ee5\u4f7f\u7528\u76f8\u540c\u7684\u5730\u5740\u3002\u4e0d\u5947\u602a\uff0c\u56e0\u4e3a\u8f6c\u6362\u540e\u7684\u7269\u7406\u5730\u5740\u5e76\u975e\u76f8\u540c\u7684\u3002<\/p>\n
\u00a0<\/p>\n
\u2014\u2014\u53ef\u4ee5\u628a\u8fde\u63a5\u540e\u7684\u7a0b\u5e8f\u53cd\u7f16\u8bd1\u770b\u4e00\u4e0b\uff0c\u53d1\u73b0\u8fde\u63a5\u5668\u5df2\u7ecf\u4e3a\u7a0b\u5e8f\u5206\u914d\u4e86\u4e00\u4e2a\u5730\u5740\uff0c\u4f8b\u5982\uff0c\u8981\u8c03\u7528\u67d0\u4e2a\u51fd\u6570A\uff0c\u4ee3\u7801\u4e0d\u662fcall A\uff0c\u800c\u662fcall 0x0811111111 \uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u51fd\u6570A\u7684\u5730\u5740\u5df2\u7ecf\u88ab\u5b9a\u4e0b\u6765\u4e86\u3002\u6ca1\u6709\u8fd9\u6837\u7684\u201c\u8f6c\u6362\u201d\uff0c\u6ca1\u6709\u865a\u62df\u5730\u5740\u7684\u6982\u5ff5\uff0c\u8fd9\u6837\u505a\u662f\u6839\u672c\u884c\u4e0d\u901a\u7684\u3002<\/p>\n
\u00a0<\/p>\n
2\u3001\u5730\u5740\u8f6c\u6362<\/p>\n
\u7b2c\u4e00\u6b65\uff1aCPU\u6bb5\u5f0f\u7ba1\u7406\u4e2d\u2014\u2014\u903b\u8f91\u5730\u5740\u8f6c\u7ebf\u6027\u5730\u5740<\/p>\n
CPU\u8981\u5229\u7528\u5176\u6bb5\u5f0f\u5185\u5b58\u7ba1\u7406\u5355\u5143\uff0c\u5148\u5c06\u4e3a\u4e2a\u903b\u8f91\u5730\u5740\u8f6c\u6362\u6210\u4e00\u4e2a\u7ebf\u7a0b\u5730\u5740\u3002<\/p>\n
\u4e00\u4e2a\u903b\u8f91\u5730\u5740\u7531\u4e24\u90e8\u4efd\u7ec4\u6210\uff0c\u3010\u6bb5\u6807\u8bc6\u7b26\uff1a\u6bb5\u5185\u504f\u79fb\u91cf\u3011\u3002<\/p>\n
\u6bb5\u6807\u8bc6\u7b26\u662f\u7531\u4e00\u4e2a16\u4f4d\u957f\u7684\u5b57\u6bb5\u7ec4\u6210\uff0c\u79f0\u4e3a\u6bb5\u9009\u62e9\u7b26\u3002\u5176\u4e2d\u524d13\u4f4d\u662f\u4e00\u4e2a\u7d22\u5f15\u53f7\u3002\u540e\u97623\u4f4d\u5305\u542b\u4e00\u4e9b\u786c\u4ef6\u7ec6\u8282\uff0c\u5982\u56fe\uff1a<\/p>\n
<img alt=""img"" referrerpolicy=""no-referrer"" src=""https:\/\/uploadfiles.nowcoder.com\/images\/20190313\/311436_1552470210037_13DB46E4DEE567FEF6756A26C5A0EC62""><\/p>\n
\u901a\u8fc7\u6bb5\u6807\u8bc6\u7b26\u4e2d\u7684\u7d22\u5f15\u53f7\u4eceGDT\u6216\u8005LDT\u627e\u5230\u8be5\u6bb5\u7684\u6bb5\u63cf\u8ff0\u7b26\uff0c\u6bb5\u63cf\u8ff0\u7b26\u4e2d\u7684base\u5b57\u6bb5\u662f\u6bb5\u7684\u8d77\u59cb\u5730\u5740<\/p>\n
\u00a0<\/p>\n
\u6bb5\u63cf\u8ff0\u7b26\uff1aBase\u5b57\u6bb5\uff0c\u5b83\u63cf\u8ff0\u4e86\u4e00\u4e2a\u6bb5\u7684\u5f00\u59cb\u4f4d\u7f6e\u7684\u7ebf\u6027\u5730\u5740\u3002<\/p>\n
\u00a0<\/p>\n
\u4e00\u4e9b\u5168\u5c40\u7684\u6bb5\u63cf\u8ff0\u7b26\uff0c\u5c31\u653e\u5728\u201c\u5168\u5c40\u6bb5\u63cf\u8ff0\u7b26\u8868(GDT)\u201d\u4e2d\uff0c\u4e00\u4e9b\u5c40\u90e8\u7684\uff0c\u4f8b\u5982\u6bcf\u4e2a\u8fdb\u7a0b\u81ea\u5df1\u7684\uff0c\u5c31\u653e\u5728\u6240\u8c13\u7684\u201c\u5c40\u90e8\u6bb5\u63cf\u8ff0\u7b26\u8868(LDT)\u201d\u4e2d\u3002<\/p>\n
\u00a0<\/p>\n
GDT\u5728\u5185\u5b58\u4e2d\u7684\u5730\u5740\u548c\u5927\u5c0f\u5b58\u653e\u5728CPU\u7684gdtr\u63a7\u5236\u5bc4\u5b58\u5668\u4e2d\uff0c\u800cLDT\u5219\u5728ldtr\u5bc4\u5b58\u5668\u4e2d\u3002<\/p>\n
\u6bb5\u8d77\u59cb\u5730\u5740+ \u6bb5\u5185\u504f\u79fb\u91cf = \u7ebf\u6027\u5730\u5740<\/p>\n
<img alt=""img"" referrerpolicy=""no-referrer"" src=""https:\/\/uploadfiles.nowcoder.com\/images\/20190313\/311436_1552470239469_B327A1776BDD614C1FA189B123676D44""><\/p>\n
\u9996\u5148\uff0c\u7ed9\u5b9a\u4e00\u4e2a\u5b8c\u6574\u7684\u903b\u8f91\u5730\u5740[\u6bb5\u9009\u62e9\u7b26\uff1a\u6bb5\u5185\u504f\u79fb\u5730\u5740]\uff0c<\/p>\n
1\u3001\u770b\u6bb5\u9009\u62e9\u7b26\u7684T1=0\u8fd8\u662f1\uff0c\u77e5\u9053\u5f53\u524d\u8981\u8f6c\u6362\u662fGDT\u4e2d\u7684\u6bb5\uff0c\u8fd8\u662fLDT\u4e2d\u7684\u6bb5\uff0c\u518d\u6839\u636e\u76f8\u5e94\u5bc4\u5b58\u5668\uff0c\u5f97\u5230\u5176\u5730\u5740\u548c\u5927\u5c0f\u3002\u6211\u4eec\u5c31\u6709\u4e86\u4e00\u4e2a\u6570\u7ec4\u4e86\u3002<\/p>\n
2\u3001\u62ff\u51fa\u6bb5\u9009\u62e9\u7b26\u4e2d\u524d13\u4f4d\uff0c\u53ef\u4ee5\u5728\u8fd9\u4e2a\u6570\u7ec4\u4e2d\uff0c\u67e5\u627e\u5230\u5bf9\u5e94\u7684\u6bb5\u63cf\u8ff0\u7b26\uff0c\u8fd9\u6837\uff0c\u5b83\u4e86Base\uff0c\u5373\u57fa\u5730\u5740\u5c31\u77e5\u9053\u4e86\u3002<\/p>\n
3\u3001\u628aBase + offset\uff0c\u5c31\u662f\u8981\u8f6c\u6362\u7684\u7ebf\u6027\u5730\u5740\u4e86\u3002<\/p>\n
<img alt=""img"" referrerpolicy=""no-referrer"" src=""https:\/\/uploadfiles.nowcoder.com\/images\/20190313\/311436_1552470270211_A8B080AAD8609459CD745F5E2480B919""><\/p>\n
\u7b2c\u4e00\u6b65\uff1a\u9875\u5f0f\u7ba1\u7406\u2014\u2014\u7ebf\u6027\u5730\u5740\u8f6c\u7269\u7406\u5730\u5740<\/p>\n
\u00a0<\/p>\n
\u518d\u5229\u7528\u5176\u9875\u5f0f\u5185\u5b58\u7ba1\u7406\u5355\u5143\uff0c\u8f6c\u6362\u4e3a\u6700\u7ec8\u7269\u7406\u5730\u5740\u3002<\/p>\n
\u00a0<\/p>\n
linux\u5047\u7684\u6bb5\u5f0f\u7ba1\u7406<\/p>\n
\u00a0<\/p>\n
Intel\u8981\u6c42\u4e24\u6b21\u8f6c\u6362\uff0c\u8fd9\u6837\u867d\u8bf4\u662f\u517c\u5bb9\u4e86\uff0c\u4f46\u662f\u5374\u662f\u5f88\u5197\u4f59\uff0c\u4f46\u662f\u8fd9\u662fintel\u786c\u4ef6\u7684\u8981\u6c42\u3002<\/p>\n
\u00a0<\/p>\n
\u5176\u5b83\u67d0\u4e9b\u786c\u4ef6\u5e73\u53f0\uff0c\u6ca1\u6709\u4e8c\u6b21\u8f6c\u6362\u7684\u6982\u5ff5\uff0cLinux\u4e5f\u9700\u8981\u63d0\u4f9b\u4e00\u4e2a\u9ad8\u5c42\u62bd\u50cf\uff0c\u6765\u63d0\u4f9b\u4e00\u4e2a\u7edf\u4e00\u7684\u754c\u9762\u3002<\/p>\n
\u00a0<\/p>\n
\u6240\u4ee5\uff0cLinux\u7684\u6bb5\u5f0f\u7ba1\u7406\uff0c\u4e8b\u5b9e\u4e0a\u53ea\u662f\u201c\u54c4\u9a97\u201d\u4e86\u4e00\u4e0b\u786c\u4ef6\u800c\u5df2\u3002<\/p>\n
\u00a0<\/p>\n
\u6309\u7167Intel\u7684\u672c\u610f\uff0c\u5168\u5c40\u7684\u7528GDT\uff0c\u6bcf\u4e2a\u8fdb\u7a0b\u81ea\u5df1\u7684\u7528LDT\u2014\u2014\u4e0d\u8fc7Linux\u5219\u5bf9\u6240\u6709\u7684\u8fdb\u7a0b\u90fd\u4f7f\u7528\u4e86\u76f8\u540c\u7684\u6bb5\u6765\u5bf9\u6307\u4ee4\u548c\u6570\u636e\u5bfb\u5740\u3002\u5373\u7528\u6237\u6570\u636e\u6bb5\uff0c\u7528\u6237\u4ee3\u7801\u6bb5\uff0c\u5bf9\u5e94\u7684\uff0c\u5185\u6838\u4e2d\u7684\u662f\u5185\u6838\u6570\u636e\u6bb5\u548c\u5185\u6838\u4ee3\u7801\u6bb5\u3002<\/p>\n
\u00a0<\/p>\n
\u5728Linux\u4e0b\uff0c\u903b\u8f91\u5730\u5740\u4e0e\u7ebf\u6027\u5730\u5740\u603b\u662f\u4e00\u81f4\u7684\uff0c\u5373\u903b\u8f91\u5730\u5740\u7684\u504f\u79fb\u91cf\u5b57\u6bb5\u7684\u503c\u4e0e\u7ebf\u6027\u5730\u5740\u7684\u503c\u603b\u662f\u76f8\u540c\u7684\u3002<\/p>\n
\u00a0<\/p>\n
linux\u9875\u5f0f\u7ba1\u7406<\/p>\n
\u00a0<\/p>\n
CPU\u7684\u9875\u5f0f\u5185\u5b58\u7ba1\u7406\u5355\u5143\uff0c\u8d1f\u8d23\u628a\u4e00\u4e2a\u7ebf\u6027\u5730\u5740\uff0c\u6700\u7ec8\u7ffb\u8bd1\u4e3a\u4e00\u4e2a\u7269\u7406\u5730\u5740\u3002<\/p>\n
\u00a0<\/p>\n
\u7ebf\u6027\u5730\u5740\u88ab\u5206\u4e3a\u4ee5\u56fa\u5b9a\u957f\u5ea6\u4e3a\u5355\u4f4d\u7684\u7ec4\uff0c\u79f0\u4e3a\u9875(page)\uff0c\u4f8b\u5982\u4e00\u4e2a32\u4f4d\u7684\u673a\u5668\uff0c\u7ebf\u6027\u5730\u5740\u6700\u5927\u53ef\u4e3a4G\uff0c\u53ef\u4ee5\u75284KB\u4e3a\u4e00\u4e2a\u9875\u6765\u5212\u5206\uff0c\u8fd9\u9875\uff0c\u6574\u4e2a\u7ebf\u6027\u5730\u5740\u5c31\u88ab\u5212\u5206\u4e3a\u4e00\u4e2atatol_page[2^20]\u7684\u5927\u6570\u7ec4\uff0c\u5171\u67092\u768420\u4e2a\u6b21\u65b9\u4e2a\u9875\u3002<\/p>\n
\u00a0<\/p>\n
\u53e6\u4e00\u7c7b\u201c\u9875\u201d\uff0c\u6211\u4eec\u79f0\u4e4b\u4e3a\u7269\u7406\u9875\uff0c\u6216\u8005\u662f\u9875\u6846\u3001\u9875\u6862\u7684\u3002\u662f\u5206\u9875\u5355\u5143\u628a\u6240\u6709\u7684\u7269\u7406\u5185\u5b58\u4e5f\u5212\u5206\u4e3a\u56fa\u5b9a\u957f\u5ea6\u7684\u7ba1\u7406\u5355\u4f4d\uff0c\u5b83\u7684\u957f\u5ea6\u4e00\u822c\u4e0e\u5185\u5b58\u9875\u662f\u4e00\u4e00\u5bf9\u5e94\u7684\u3002<\/p>\n
<img alt=""img"" referrerpolicy=""no-referrer"" src=""https:\/\/uploadfiles.nowcoder.com\/images\/20190313\/311436_1552470300375_E395C4896EA5D7621E9211A0C3817BB5""><\/p>\n
\u6bcf\u4e2a\u8fdb\u7a0b\u90fd\u6709\u81ea\u5df1\u7684\u9875\u76ee\u5f55\uff0c\u5f53\u8fdb\u7a0b\u5904\u4e8e\u8fd0\u884c\u6001\u7684\u65f6\u5019\uff0c\u5176\u9875\u76ee\u5f55\u5730\u5740\u5b58\u653e\u5728cr3\u5bc4\u5b58\u5668\u4e2d\u3002<\/p>\n
\u00a0<\/p>\n
\u6bcf\u4e00\u4e2a32\u4f4d\u7684\u7ebf\u6027\u5730\u5740\u88ab\u5212\u5206\u4e3a\u4e09\u90e8\u4efd\uff0c\u3010\u9875\u76ee\u5f55\u7d22\u5f15(10\u4f4d)\uff1a\u9875\u8868\u7d22\u5f15(10\u4f4d)\uff1a\u9875\u5185\u504f\u79fb(12\u4f4d)\u3011<\/p>\n
\u00a0<\/p>\n
\u4f9d\u636e\u4ee5\u4e0b\u6b65\u9aa4\u8fdb\u884c\u8f6c\u6362\uff1a<\/p>\n
\u4ececr3\u4e2d\u53d6\u51fa\u8fdb\u7a0b\u7684\u9875\u76ee\u5f55\u5730\u5740\uff08\u64cd\u4f5c\u7cfb\u7edf\u8d1f\u8d23\u5728\u8c03\u5ea6\u8fdb\u7a0b\u7684\u65f6\u5019\uff0c\u628a\u8fd9\u4e2a\u5730\u5740\u88c5\u5165\u5bf9\u5e94\u5bc4\u5b58\u5668\uff09\uff1b<\/p>\n
\u00a0<\/p>\n
\u6839\u636e\u7ebf\u6027\u5730\u5740\u524d\u5341\u4f4d\uff0c\u5728\u6570\u7ec4\u4e2d\uff0c\u627e\u5230\u5bf9\u5e94\u7684\u7d22\u5f15\u9879\uff0c\u56e0\u4e3a\u5f15\u5165\u4e86\u4e8c\u7ea7\u7ba1\u7406\u6a21\u5f0f\uff0c\u9875\u76ee\u5f55\u4e2d\u7684\u9879\uff0c\u4e0d\u518d\u662f\u9875\u7684\u5730\u5740\uff0c\u800c\u662f\u4e00\u4e2a\u9875\u8868\u7684\u5730\u5740\u3002\uff08\u53c8\u5f15\u5165\u4e86\u4e00\u4e2a\u6570\u7ec4\uff09\uff0c\u9875\u7684\u5730\u5740\u88ab\u653e\u5230\u9875\u8868\u4e2d\u53bb\u4e86\u3002<\/p>\n
\u00a0<\/p>\n
\u6839\u636e\u7ebf\u6027\u5730\u5740\u7684\u4e2d\u95f4\u5341\u4f4d\uff0c\u5728\u9875\u8868\uff08\u4e5f\u662f\u6570\u7ec4\uff09\u4e2d\u627e\u5230\u9875\u7684\u8d77\u59cb\u5730\u5740\uff1b<\/p>\n
\u00a0<\/p>\n
\u5c06\u9875\u7684\u8d77\u59cb\u5730\u5740\u4e0e\u7ebf\u6027\u5730\u5740\u4e2d\u6700\u540e12\u4f4d\u76f8\u52a0\u3002<\/p>\n
\u00a0<\/p>\n
\u76ee\u7684\uff1a<\/p>\n
\u00a0<\/p>\n
\u5185\u5b58\u8282\u7ea6\uff1a\u5982\u679c\u4e00\u7ea7\u9875\u8868\u4e2d\u7684\u4e00\u4e2a\u9875\u8868\u6761\u76ee\u4e3a\u7a7a\uff0c\u90a3\u4e48\u90a3\u6240\u6307\u7684\u4e8c\u7ea7\u9875\u8868\u5c31\u6839\u672c\u4e0d\u4f1a\u5b58\u5728\u3002\u8fd9\u8868\u73b0\u51fa\u4e00\u79cd\u5de8\u5927\u7684\u6f5c\u5728\u8282\u7ea6\uff0c\u56e0\u4e3a\u5bf9\u4e8e\u4e00\u4e2a\u5178\u578b\u7684\u7a0b\u5e8f\uff0c4GB\u865a\u62df\u5730\u5740\u7a7a\u95f4\u7684\u5927\u90e8\u4efd\u90fd\u4f1a\u662f\u672a\u5206\u914d\u7684\uff1b<\/p>\n
<img alt=""img"" referrerpolicy=""no-referrer"" src=""https:\/\/uploadfiles.nowcoder.com\/images\/20190313\/311436_1552470330729_28397F90C2D7C059A122BFF0B4DFD63A""><\/p>\n
32\u4f4d\uff0cPGD = 10bit\uff0cPUD = PMD = 0\uff0ctable = 10bit\uff0coffset = 12bit<\/p>\n
64\u4f4d\uff0cPUD\u548cPMD \u2260 0<\/p>\n
<pre><code> "“`
\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
“`” \u53c2\u8003\u56de\u7b54\uff1a 1\u3001\u6982\u5ff5\uff1a \u7269\u7406\u5730\u5740(physical address) \u7528\u4e8e\u5185\u5b58 […]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-46815","post","type-post","status-publish","format-standard","hentry","category-c"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/46815","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=46815"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/46815\/revisions"}],"predecessor-version":[{"id":46816,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/46815\/revisions\/46816"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=46815"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=46815"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=46815"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}