{"id":67,"date":"2019-06-18T15:14:46","date_gmt":"2019-06-18T07:14:46","guid":{"rendered":"http:\/\/151.236.221.165\/?p=67"},"modified":"2020-01-12T10:11:09","modified_gmt":"2020-01-12T02:11:09","slug":"cpu-addressing","status":"publish","type":"post","link":"https:\/\/www.sanburs.xyz\/index.php\/2019\/06\/18\/cpu-addressing\/","title":{"rendered":"CPU\u5bfb\u5740"},"content":{"rendered":"<div class=\"has-toc have-toc\"><\/div>\n<p><strong>\u672c\u6587\u6458\u81ea\u300a\u6c47\u7f16\u539f\u7406\uff08\u7b2c\u4e8c\u7248\uff09\u300b\uff0c\u4f5c\u8005\u738b\u723d<\/strong><\/p>\n<h2>CPU\u7ec4\u6210<\/h2>\n<p>\u4e00\u4e2a\u5178\u578b\u7684CPU\u7531\u8fd0\u7b97\u5668\u3001\u63a7\u5236\u5668\u3001\u5bc4\u5b58\u5668\u7b49\u5668\u4ef6\u6784\u6210\uff0c\u8fd9\u4e9b\u5668\u4ef6\u9760\u5185\u90e8\u603b\u7ebf\u76f8\u8fde\u3002\u7b80\u5355\u7684\u8bb2\uff0c\u5728CPU\u4e2d\uff1a<\/p>\n<blockquote>\n<ul>\n<li>\u8fd0\u7b97\u5668\u8fdb\u4fe1\u606f\u5904\u7406\uff1b<\/li>\n<li>\u5bc4\u5b58\u5668\u8fdb\u884c\u4fe1\u606f\u5b58\u50a8\uff1b<\/li>\n<li>\u63a7\u5236\u5668\u63a7\u5236\u5404\u79cd\u5668\u4ef6\u8fdb\u884c\u5de5\u4f5c\uff1b<\/li>\n<li>\u5185\u90e8\u603b\u7ebf\u8fde\u63a5\u5404\u79cd\u5668\u4ef6\uff0c\u5728\u5b83\u4eec\u4e4b\u95f4\u8fdb\u884c\u6570\u636e\u7684\u4f20\u9001\u3002<\/li>\n<\/ul>\n<\/blockquote>\n<h3>\u901a\u7528\u5bc4\u5b58\u5668<\/h3>\n<p>8086CPU\u7684\u6240\u6709\u5bc4\u5b58\u5668\u90fd\u662f16\u4f4d\u7684\u3002AX\u3001BX\u3001CX\u3001DX\u8fd94\u4e2a\u5bc4\u5b58\u5668\u901a\u5e38\u7528\u6765\u5b58\u653e\u4e00\u822c\u6027\u7684\u6570\u636e\uff0c\u88ab\u79f0\u4e3a\u901a\u7528\u5bc4\u5b58\u5668\u3002<br \/>\n8086CPU\u7684\u4e0a\u4e00\u4ee3CPU\u4e2d\u7684\u5bc4\u5b58\u5668\u90fd\u662f8\u4f4d\u7684\uff0c\u4e3a\u4e86\u4fdd\u8bc1\u517c\u5bb9\uff0c\u4f7f\u539f\u6765\u57fa\u4e8e\u4e0a\u4ee3CPU\u7f16\u5199\u7684\u7a0b\u5e8f\u7a0d\u52a0\u4fee\u6539\u5c31\u53ef\u4ee5\u8fd0\u884c\u57288086\u4e4b\u4e0a\uff0c8086CPU\u7684AX\u3001BX\u3001CX\u3001DX\u8fd94\u4e2a\u5bc4\u5b58\u5668\u90fd\u53ef\u5206\u4e3a\u4e24\u4e2a\u72ec\u7acb\u4f7f\u7528\u76848\u4f4d\u5bc4\u5b58\u5668\u6765\u7528\uff1a\u4f8b\u5982AX\u53ef\u5206\u4e3aAH\u548cAL\u3002<br \/>\n\u51fa\u4e8e\u5bf9\u517c\u5bb9\u6027\u7684\u8003\u8651\uff0c8086CPU\u53ef\u4ee5\u4e00\u6b21\u6027\u5904\u7406\u4ee5\u4e0b\u4e24\u79cd\u5c3a\u5bf8\u7684\u6570\u636e\uff1a\u5b57\u8282\u548c\u5b57\u3002<\/p>\n<blockquote><p>\n  \u5c06AX\u5206\u4e3aAH\u548cAI\u4f7f\u7528\u65f6\uff0cCPU\u5728\u6267\u884c\u6307\u4ee4\u7684\u65f6\u5019\u8ba4\u4e3aAH\u548cAL\u662f\u4e24\u4e2a\u4e0d\u76f8\u5173\u7684\u5bc4\u5b58\u5668\u3002\u4e0d\u8981\u9519\u8bef\u7684\u8ba4\u4e3ai\uff0c\u8bf8\u5982add al,93H\u7684\u6307\u4ee4\u4ea7\u751f\u7684\u8fdb\u4f4d\u4f1a\u5b58\u50a8\u5728ah\u4e2d\uff0cadd al,93H\u8fdb\u884c\u76848\u4f4d\u8fd0\u7b97\u3002\n<\/p><\/blockquote>\n<h2>CPU\u5982\u4f55\u5728\u5185\u90e8\u5f62\u6210\u5185\u5b58\u5355\u5143\u7684\u7269\u7406\u5730\u5740<\/h2>\n<p>8086\u662f16\u4f4d\u7ed3\u6784\u7684CPU\uff0c\u4ec0\u4e48\u662f16\u4f4d\u7ed3\u6784\u7684CPU\u5462\uff1f<br \/>\n    1. \u8fd0\u7b97\u5668\u4e00\u6b21\u6700\u591a\u53ef\u4ee5\u5904\u740616\u4f4d\u7684\u6570\u636e\uff1b<br \/>\n    2. \u5b58\u50a8\u5668\u7684\u6700\u5927\u5bbd\u5ea6\u4e3a16\u4f4d\uff1b<br \/>\n    3. \u5bc4\u5b58\u5668\u548c\u8fd0\u7b97\u5668\u4e4b\u95f4\u7684\u901a\u8def\u4e3a16\u4f4d\u3002<\/p>\n<p>\u8fd9\u4e5f\u5c31\u662f\u8bf4\uff0c\u57288086\u5185\u90e8\uff0c\u80fd\u591f\u4e00\u6b21\u6027\u5904\u7406\u3001\u4f20\u8f93\u3001\u6682\u65f6\u5b58\u50a8\u7684\u4fe1\u606f\u6700\u5927\u957f\u5ea6\u662f16\u4f4d\u7684\uff08\u662f\u4e0d\u662f32\u4f4d\u7cfb\u7edf\u4e0e64\u4f4d\u7cfb\u7edf\u4e5f\u662f\u8fd9\u6837\uff0c\u9664\u4e86\u5728\u5185\u5b58\u4e0a\u6709\u5dee\u522b\u8fd8\u5728\u6027\u80fd\u4e0a\u6709\u5dee\u522b\uff1f\uff09\u3002\u5185\u5b58\u5355\u5143\u7684\u5730\u5740\u5728\u9001\u4e0a\u5730\u5740\u603b\u7ebf\u4e4b\u524d\uff0c\u5fc5\u987b\u5728CPU\u4e2d\u5904\u7406\u3001\u4f20\u8f93\u3001\u6682\u65f6\u5b58\u653e\uff0c\u5bf9\u4e8e16\u4f4d\u7684CPU\uff0c\u80fd\u4e00\u6b21\u6027\u5904\u7406\u3001\u4f20\u8f93\u3001\u6682\u5b5816\u4f4d\u7684\u5730\u5740\u3002\u4f46\u662f\uff0c8086\u670920\u4f4d\u5730\u5740\u603b\u7ebf\uff0c\u600e\u4e48\u529e\uff1f<br \/>\n<strong><em>8086CPU\u91c7\u7528\u4e00\u79cd\u5728\u5185\u90e8\u7528\u4e24\u4e2a16\u4f4d\u5730\u5740\u5408\u6210\uff08\u901a\u8fc7\u5730\u5740\u52a0\u6cd5\u5668\uff09\u7684\u65b9\u6cd5\u6765\u5f62\u6210\u4e00\u4e2a20\u4f4d\u7269\u7406\u5730\u5740\u3002<\/em><\/strong><br \/>\n\u5f538086CPU\u8981\u8bfb\u5199\u5185\u5b58\u65f6\uff1a<br \/>\n    1. CPU\u4e2d\u7684\u76f8\u5173\u90e8\u4ef6\u63d0\u4f9b\u4e24\u4e2a16\u4f4d\u7684\u5730\u5740\uff0c\u4e00\u4e2a\u6210\u4e3a\u6bb5\u5730\u5740\uff0c\u53e6\u4e00\u4e2a\u79f0\u4e3a\u504f\u79fb\u5730\u5740\uff1b<br \/>\n    2. \u6bb5\u5730\u5740\u548c\u504f\u79fb\u5730\u5740\u901a\u8fc7\u5185\u90e8\u603b\u7ebf\u9001\u5165\u4e00\u4e2a\u6210\u4f4d\u5730\u5740\u52a0\u6cd5\u5668\u7684\u90e8\u4ef6\uff1b<br \/>\n    3. \u5730\u5740\u52a0\u6cd5\u5668\u5c06\u4e24\u4e2a16\u4f4d\u5730\u5740\u5408\u6210\u4e3a\u4e00\u4e2a20\u4f4d\u7684\u7269\u7406\u5730\u5740\uff1b<br \/>\n    4. \u5730\u5740\u52a0\u6cd5\u5668\u901a\u8fc7\u5185\u90e8\u603b\u7ebf\u5c0620\u4f4d\u7269\u7406\u5730\u5740\u9001\u5165\u8f93\u5165\u8f93\u51fa\u63a7\u5236\u7535\u8def\uff1b<br \/>\n    5. \u8f93\u5165\u8f93\u51fa\u63a7\u5236\u7535\u8def\u5c0620\u4f4d\u7269\u7406\u5730\u5740\u9001\u4e0a\u5730\u5740\u603b\u7ebf\uff1b<br \/>\n    6. 20\u4f4d\u7269\u7406\u5730\u5740\u88ab\u5730\u5740\u603b\u7ebf\u4f20\u9001\u5230\u5b58\u50a8\u5668\u3002<\/p>\n<p>\u5730\u5740\u52a0\u6cd5\u5668\u91c7\u7528<strong><em>\u7269\u7406\u5730\u5740=\u6bb5\u5730\u5740\u00d716+\u504f\u79fb\u5730\u5740<\/em><\/strong>\u7684\u65b9\u5f0f\u5408\u6210\u7269\u7406\u5730\u5740\u3002<br \/>\n\u4f8b\u5982\u4e24\u4e2a16\u4f4d\uff0c1230\u548c00C8\uff0c1230*16=12300\uff08\u5de6\u79fb4\u4f4d\uff09\u300212300+00C8=123C8\u3002<\/p>\n<h2>\u6bb5\u7684\u6982\u5ff5<\/h2>\n<p>\u6bb5\u5730\u5740\u5305\u542b\u7740\u6bb5\u7684\u6982\u5ff5\uff0c\u5176\u5b9e\u4e0d\u662f\u5185\u5b58\u5206\u6bb5\uff0c\u6bb5\u7684\u5212\u5206\u6765\u81eaCPU\uff0c\u7531\u4e8e8086CPU\u7528\u201c<strong>\u57fa\u7840\u5730\u5740\uff08\u6bb5\u5730\u5740*16\uff09+\u504f\u79fb\u5730\u5740=\u7269\u7406\u5730\u5740<\/strong>\u201d\u7684\u65b9\u5f0f\u7ed9\u51fa\u7684\u5185\u5b58\u5355\u5143\u7684\u7269\u7406\u5730\u5740\uff0c\u4f7f\u5f97\u6211\u4eec\u53ef\u4ee5\u7528\u5206\u6bb5\u7684\u65b9\u5f0f\u6765\u7ba1\u7406\u5185\u5b58\u3002<br \/>\n\u5bf9\u4e8e\u540c\u4e00\u5730\u5740\u6bd4\u598210000H~100FFH\u7684\u5185\u5b58\u5355\u5143\uff0c\u53ef\u4ee5\u6709\u5f88\u591a\u79cd\u8868\u793a\u65b9\u5f0f<br \/>\n1. \u57fa\u7840\u5730\u5740\u4e3a10000H\uff0c\u6bb5\u5730\u5740\u4e3a1000H\uff0c\u5927\u5c0f\u4e3a100H\uff1b<br \/>\n2. 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\/>\n8086CPU\u7684\u5de5\u4f5c\u8fc7\u7a0b\uff1a<\/p>\n<ol>\n<li>\u4eceCS\uff1aIP\u6307\u5411\u7684\u5185\u5b58\u5355\u5143\u8bfb\u53d6\u6307\u4ee4\uff0c\u8bfb\u53d6\u6307\u4ee4\u8fdb\u5165\u6307\u4ee4\u7f13\u51b2\u5668\uff1b<\/li>\n<li>IP\u6307\u5411\u4e0b\u4e00\u6761\u6307\u4ee4\uff1b<\/li>\n<li>\u6267\u884c\u6307\u4ee4\u3002\uff08\u8f6c\u5230\u6b65\u9aa41\uff0c\u91cd\u590d\u8fd9\u4e2a\u8fc7\u7a0b\uff09<br \/>\n> 8086\u673a\u4e2d\uff0c\u4efb\u610f\u65f6\u523b\uff0cCPU\u5c06CS\uff1aIP\u6307\u5411\u7684\u5185\u5bb9\u5f53\u4f5c\u6307\u4ee4\u6267\u884c\u3002<br \/>\n> 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