{"id":118,"date":"2024-03-27T23:24:54","date_gmt":"2024-03-27T15:24:54","guid":{"rendered":"https:\/\/yewpo.top\/?p=118"},"modified":"2024-03-27T23:24:54","modified_gmt":"2024-03-27T15:24:54","slug":"transkernel-%e7%ac%94%e8%ae%b0","status":"publish","type":"post","link":"https:\/\/www.yewpo.top\/index.php\/118\/","title":{"rendered":"Transkernel \u7b14\u8bb0"},"content":{"rendered":"<h1>Transkernel \u7b14\u8bb0<\/h1>\n<blockquote>\n<p>\u667a\u80fd\u8bbe\u5907\u7684\u666e\u53ca\uff0c\u4f34\u968f\u7740\u786c\u4ef6\u6027\u80fd\u7684\u63d0\u5347\u548c\u4e30\u5bcc\u591a\u5f69\u7684\u5e94\u7528\u8f6f\u4ef6\u88ab\u5f00\u53d1\uff0c\u4eba\u4eec\u53ef\u4ee5\u8f7b\u677e\u5730\u5728\u667a\u80fd\u8bbe\u5907\u4e0a\uff08\u4f8b\u5982\u667a\u80fd\u624b\u673a\u3001\u5e73\u677f\u3001\u667a\u80fd\u624b\u8868\uff09\u5b8c\u6210\u5f88\u591a\u4e8b\u60c5\u3002\u4e3a\u4e86\u4f7f\u7528\u6237\u6709\u66f4\u597d\u7684\u4f7f\u7528\u4f53\u9a8c\uff0c\u64cd\u4f5c\u7cfb\u7edf\u5728\u5404\u79cd\u8d44\u6e90\u5206\u914d\u3001\u8c03\u5ea6\u4e0a\u82b1\u8d39\u4e86\u5fc3\u601d\u3002\u5982\u4eca\uff0c\u5404\u79cd\u5e38\u7528\u7684\u5e94\u7528\u8bbe\u8ba1\u9010\u6e10\u5de5\u5177\u5316\uff0c\u4e3b\u6253\u4e00\u4e2a\u8f7b\u91cf\uff0c\u6613\u4e8e\u4f7f\u7528\u3002\u8fd9\u4e5f\u5c31\u5bfc\u81f4\u4e86\u5728\u64cd\u4f5c\u7cfb\u7edf\u4e0a\uff0c\u6709\u975e\u5e38\u591a\u7684\u5c0f\u4efb\u52a1\uff08task\uff09\u3002\u4e00\u53f0\u8bbe\u5907\u7684\u5904\u7406\u5668\u6570\u91cf\u5f80\u5f80\u662f\u6709\u9650\u7684\uff0c\u4e3a\u4e86\u8ba9\u7528\u6237\u611f\u89c9\u50cf\u662f\u6240\u6709\u7a0b\u5e8f\u90fd\u662f\u5e76\u884c\u6267\u884c\uff0c\u64cd\u4f5c\u7cfb\u7edf\u7cfb\u7edf\u5c31\u9700\u8981\u4e0d\u65ad\u5728\u5404\u4e2a\u4efb\u52a1\u4e4b\u95f4\u8fdb\u884c\u8c03\u5ea6\u3002\u8c03\u5ea6\u662f\u4e00\u4e2a\u4e0d\u5c0f\u7684\u5f00\u9500\uff0c\u5c24\u5176\u662f\u9047\u5230 IO \u8bbe\u5907\u76f8\u5173\u7684\u64cd\u4f5c\uff08IO \u8bbe\u5907\u901f\u5ea6\u8fdc\u8fdc\u6162\u4e8e\u5904\u7406\u5668\u901f\u5ea6\uff0c\u5bfc\u81f4\u5904\u7406\u5668\u4ea7\u751f\u975e\u5e38\u591a\u7684\u7a7a\u5468\u671f\uff09\u3002\u8fd9\u4f1a\u5bfc\u81f4\u4e00\u4e9b\u4e0d\u5fc5\u8981\u7684\u80fd\u6e90\uff08\u4f8b\u5982\u7535\u6c60\u7684\u7535\u80fd\uff09\u6d88\u8017\u3002<\/p>\n<p>\u5982\u4f55\u63d0\u9ad8\u5904\u7406\u5668\u6267\u884c\u6548\u7387\u7684\u540c\u65f6\u53c8\u53ef\u4ee5\u964d\u4f4e\u5bf9\u80fd\u6e90\u7684\u6d88\u8017\uff0c\u662f\u8fd9\u7bc7\u8bba\u6587\u7814\u7a76\u7684\u76ee\u7684\u3002<\/p>\n<\/blockquote>\n<h2>1 \u5f15\u5165<\/h2>\n<h3>1.1 \u80fd\u6e90\u6d88\u8017<\/h3>\n<p>\u7531\u4e8e\u5404\u79cd\u5404\u6837\u7684\u5468\u671f\u6027\u6216\u8005\u662f\u540e\u53f0\u6d3b\u52a8\uff0c\u73b0\u4ee3\u7684\u5d4c\u5165\u5f0f\u5e73\u53f0\u9700\u8981\u6267\u884c\u5927\u91cf\u7684\u77ed\u6682\u6027\u7684\u4efb\u52a1\u3002\u6709\u7814\u7a76\u8868\u660e\uff0c\u5404\u79cd\u667a\u80fd\u8bbe\u5907\u7684\u7535\u6c60\u7535\u91cf\u6709 <strong>30%<\/strong> \u90fd\u662f<strong>\u76d1\u89c6\u7c7b\u6d3b\u52a8<\/strong>\u6240\u6d88\u8017\u7684\u3002\u50cf\u73b0\u5728\u7684\u5e9e\u5927\u7684\u5546\u4e1a\u5316\u64cd\u4f5c\u7cfb\u7edf\uff08\u4f8b\u5982 Linux\u3001Windows\uff09\uff0c\u6062\u590d\uff08resume\uff09\u548c\u6682\u505c\uff08suspend\uff09\u76f8\u5173\u786c\u4ef6\u5e73\u53f0\u7684\u80fd\u6e90\u6d88\u8017\u53ef\u80fd\u9ad8\u8fbe\u7528\u6237\u4ee3\u7801\u7684 10 \u500d\u3002<\/p>\n<h3>1.2 \u6027\u80fd<\/h3>\n<p>\u6700\u8fd1\u7684\u7814\u7a76\u8868\u660e\uff0c\u6027\u80fd\u74f6\u9888\u4e3b\u8981\u662f\u5185\u6838\u7684\u4e24\u4e2a\u9636\u6bb5\uff0c<strong>\u8bbe\u5907\u7684\u6682\u505c\uff08suspend\uff09\u548c\u6062\u590d\uff08resume\uff09<\/strong>\u3002\u8fd9\u4e2a\u9636\u6bb5\u8981\u5b8c\u6210\u5927\u91cf\u7684 IO \u76f8\u5173\u64cd\u4f5c\uff0c\u4f8b\u5982\u9a71\u52a8\u3001\u6e05\u7406 IO \u4e8b\u4ef6\u961f\u5217\u4ee5\u53ca\u4fdd\u8bc1\u8bbe\u5907\u8fbe\u5230\u6240\u671f\u671b\u7684\u80fd\u8017\u72b6\u6001\u3002\u8fd9\u4e9b\u9636\u6bb5\u4e5f\u4e3b\u8981\u56f4\u7ed5\u9a71\u52a8\u5e76\u53d1\u6267\u884c\u3001\u63a8\u8fdf\u529f\u80fd\u548c\u8bbe\u5907\u4e2d\u65ad\u3002\u8fd9\u4e9b\u9700\u8981\u5927\u91cf CPU \u7684\u65f6\u95f4\uff0c\u800c\u4e14\u88ab\u8bc1\u660e\u5f88\u96be\u505a\u51fa\u4f18\u5316\u3002<\/p>\n<h3>1.3 \u5fae\u63a7\u5236\u5668<\/h3>\n<blockquote>\n<p>\u5fae\u63a7\u5236\u5668\uff08microcontroller \/ MCU\uff09\u662f\u4e00\u79cd\u7d27\u51d1\u7684\u96c6\u6210\u7535\u8def\uff0c\u8bbe\u8ba1\u7528\u4e8e\u7ba1\u7406\u5d4c\u5165\u5f0f\u7cfb\u7edf\u4e2d\u7684\u7279\u5b9a\u64cd\u4f5c\u3002\u5178\u578b\u7684\u5fae\u63a7\u5236\u5668\u5728\u5355\u4e2a\u82af\u7247\u4e0a\u5305\u62ec\u5904\u7406\u5668\u3001\u5b58\u50a8\u5668\u548c\u8f93\u5165\/\u8f93\u51fa (I\/O) \u5916\u8bbe\u3002<\/p>\n<p>\u5fae\u63a7\u5236\u5668\u6709\u65f6\u88ab\u79f0\u4e3a\u5d4c\u5165\u5f0f\u63a7\u5236\u5668\u6216\u5fae\u63a7\u5236\u5668\u5355\u5143 (MCU)\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u8f66\u8f86\u3001\u673a\u5668\u4eba\u3001\u529e\u516c\u673a\u5668\u3001\u533b\u7597\u8bbe\u5907\u3001\u79fb\u52a8\u65e0\u7ebf\u7535\u6536\u53d1\u5668\u3001\u81ea\u52a8\u552e\u8d27\u673a\u548c\u5bb6\u7528\u7535\u5668\u7b49\u8bbe\u5907\u4e2d\u3002\u5b83\u4eec\u672c\u8d28\u4e0a\u662f\u7b80\u5355\u7684\u5fae\u578b\u4e2a\u4eba\u8ba1\u7b97\u673a (PC)\uff0c\u65e8\u5728\u63a7\u5236\u8f83\u5927\u7ec4\u4ef6\u7684\u5c0f\u529f\u80fd\uff0c\u65e0\u9700\u590d\u6742\u7684\u524d\u7aef\u64cd\u4f5c\u7cfb\u7edf (OS)\u3002<\/p>\n<\/blockquote>\n<p>\u5fae\u63a7\u5236\u5668\uff08microcontroller\uff09\u5177\u6709\u4ee5\u4e0b\u7684\u4f18\u70b9\uff1a<\/p>\n<ol>\n<li>\u66f4\u4f4e\u7684\u80fd\u6e90\u6d88\u8017\u3002<\/li>\n<li>\u66f4\u9ad8\u7684\u6267\u884c\u6027\u80fd\u3002<\/li>\n<li>\u666e\u53ca\u5ea6\u66f4\u9ad8\uff08ARM Cortex-M \u7cfb\u5217\u5728\u5404\u79cd\u667a\u80fd\u8bbe\u5907\u4e0a\u5e7f\u6cdb\u4f7f\u7528\uff0c\u6216\u8005\u662f\u4f5c\u4e3a\u5916\u56f4\u5904\u7406\u5668\u4f7f\u7528\uff09\u3002<\/li>\n<\/ol>\n<p>\u5f53\u9047\u5230 <strong>IO \u5bc6\u96c6\u578b\u64cd\u4f5c<\/strong>\u7684\u65f6\u5019\uff0c\u4ee5\u4e0a 3 \u4e2a\u4f18\u52bf\u5c31\u4f53\u73b0\u7684\u66f4\u52a0\u660e\u663e\u3002\u8bd5\u60f3\u53ef\u4e0d\u53ef\u4ee5\u5c06\u8fd9\u4e9b IO \u64cd\u4f5c\u8ba9\u5fae\u63a7\u5236\u5668\u6267\u884c\uff0c\u800c\u4e0d\u662f\u6838\u5fc3\u7684 CPU\uff1f\u90a3\u4e48\u4e3a\u4ec0\u4e48\u53c8\u4e0d\u5c06\u7528\u6237\u4ee3\u7801\u4e5f\u653e\u7f6e\u5728\u5fae\u63a7\u5236\u5668\u4e0a\u6267\u884c\u5462\uff1f\u6709\u4ee5\u4e0b\u4e24\u70b9\u539f\u56e0\uff1a<\/p>\n<ol>\n<li>\u7528\u6237\u4ee3\u7801\u6240\u9700\u8981\u7684 CPU \u65f6\u95f4\u5c11\u3002<\/li>\n<li>\u5916\u56f4\u6838\u5fc3\u9700\u8981\u5bf9\u590d\u6742\u7684 POSIX \u73af\u5883\u63d0\u4f9b\u652f\u6301\u624d\u884c\u3002<\/li>\n<\/ol>\n<h3>1.4 \u6311\u6218<\/h3>\n<p>\u4e0b\u653e\u4e00\u4e9b\u5546\u7528\u5e9e\u5927\u7684\u5185\u6838\u64cd\u4f5c\u5177\u6709\u4e00\u4e9b\u6311\u6218\u6027\uff0c\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li>\u4e0d\u540c\u7684\u5fae\u63a7\u5236\u5668\u786c\u4ef6\u6709\u7740\u4e0d\u540c\u6027\u80fd\u548c<strong>\u4e0d\u540c\u7684\u6307\u4ee4\u96c6\u67b6\u6784<\/strong>\uff08ISA\uff09\u3002<\/li>\n<li>\u5185\u6838\u975e\u5e38\u590d\u6742\u800c\u4e14\u5728<strong>\u5feb\u901f\u8fed\u4ee3<\/strong>\u3002<\/li>\n<\/ul>\n<p>\u5982\u4eca\u6709\u7684\u89e3\u51b3\u65b9\u6848\u5f88\u591a\u53ea\u80fd\u89e3\u51b3\u7b2c\u4e00\u4e2a\u95ee\u9898\u800c\u4e0d\u80fd\u89e3\u51b3\u7b2c\u4e8c\u4e2a\u95ee\u9898\u3002\u4ea6\u6216\u8005\u662f\u5bf9\u5185\u6838\u8fdb\u884c\u91cd\u6784\uff0c\u4f46\u4e5f\u4f1a\u5f15\u5165\u5f88\u591a\u7684\u517c\u5bb9\u6027\u95ee\u9898\u4e5f\u4e0d\u5229\u4e8e\u6301\u4e45\u7ef4\u62a4\u3002<\/p>\n<h3>1.5 \u601d\u8def<\/h3>\n<p>\u63d0\u51fa\u4e00\u4e2a\u6fc0\u8fdb\u7684\u8bbe\u8ba1\uff0c\u53d6\u540d\u4e3a transkernel\u3002\u901a\u8fc7\u52a8\u6001\u4e8c\u8fdb\u5236\u7ffb\u8bd1\u6280\u672f\uff08DBT\uff09\uff0c\u5c06\u4e0d\u53ef\u4fee\u6539\u7684\u5185\u6838\u4e8c\u8fdb\u5236\u4ee3\u7801\u7ffb\u8bd1\u6210\u4e0d\u540c\u5fae\u63a7\u5236\u5668 ISA \u67b6\u6784\u6240\u5bf9\u5e94\u7684\u6307\u4ee4\uff08\u6216\u6307\u4ee4\u5e8f\u5217\uff09\uff0c\u5e76\u5728\u5fae\u63a7\u5236\u5668\u4e2d\u6a21\u62df\u6267\u884c\uff0c\u66ff\u4ee3\u539f\u6709\u5e9e\u5927\u5185\u6838\u4e0e\u4e4b\u76f8\u5bf9\u5e94\u7684\u90e8\u5206\u3002<\/p>\n<blockquote>\n<p>\u5728\u8ba1\u7b97\u673a\u9886\u57df\u4e2d\uff0c\u4e8c\u8fdb\u5236\u7ffb\u8bd1\uff08binary translation\uff09\u3001\u4e8c\u8fdb\u5236\u8f6c\u6362\u6216\u4e8c\u8fdb\u5236\u91cd\u65b0\u7f16\u8bd1\uff08(binary) recompilation\uff09\u662f\u4ee5\u7ffb\u8bd1\u4e8c\u8fdb\u5236\u4ee3\u7801\u6765\u4eff\u771f\u53e6\u4e00\u4e2a\u6307\u4ee4\u96c6\u67b6\u6784\u3002\u6307\u4ee4\u6309\u987a\u5e8f\u4ece\u539f\u6307\u4ee4\u96c6\u7ffb\u8bd1\u4e3a\u76ee\u6807\u6307\u4ee4\u96c6\u3002\u5728\u6307\u4ee4\u96c6\u6a21\u62df\u7b49\u67d0\u4e9b\u60c5\u51b5\u4e2d\uff0c\u76ee\u6807\u6307\u4ee4\u96c6\u53ef\u80fd\u4e0e\u6e90\u6307\u4ee4\u96c6\u662f\u540c\u4e00\u6307\u4ee4\u96c6\uff0c\u7ffb\u8bd1\u662f\u4e3a\u63d0\u4f9b\u6307\u4ee4\u8ddf\u8e2a\u3001\u6761\u4ef6\u65ad\u70b9\u3001\u70ed\u70b9\u68c0\u6d4b\u7b49\u6d4b\u8bd5\u548c\u8c03\u8bd5\u529f\u80fd\u3002<\/p>\n<p>\u4e8c\u8fdb\u5236\u7ffb\u8bd1\u4e3b\u8981\u5206\u4e3a\u9759\u6001\u7ffb\u8bd1\u4e0e\u52a8\u6001\u7ffb\u8bd1\u4e24\u79cd\u7c7b\u578b\u3002\u7ffb\u8bd1\u53ef\u4ee5\u7531\u786c\u4ef6\uff08\u4f8b\u5982\u901a\u8fc7CPU\u4e2d\u7684\u7535\u8def\uff09\u6216\u8f6f\u4ef6\uff08\u4f8b\u5982\u8fd0\u884c\u65f6\u5f15\u64ce\u3001\u9759\u6001\u91cd\u7f16\u8bd1\u3001\u4eff\u771f\u5668\u7b49\uff09\u5b8c\u6210\u3002<\/p>\n<\/blockquote>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/raw.githubusercontent.com\/YEWPO\/yewpoblogonlinePic\/main\/image-20240327231617892.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/raw.githubusercontent.com\/YEWPO\/yewpoblogonlinePic\/main\/image-20240327231617892.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"image-20240327231617892\" \/><\/div><\/p>\n<p>transkernel \u7684\u5b9e\u8df5\u6027\u57fa\u4e8e\u4ee5\u4e0b\u56db\u4e2a\u539f\u5219\uff1a<\/p>\n<ol>\n<li>\u7ffb\u8bd1\u6709\u72b6\u6001\u4ee3\u7801\uff0c\u540c\u65f6\u4eff\u771f\u65e0\u72b6\u6001\u5185\u6838\u670d\u52a1\u3002<\/li>\n<li>\u786e\u5b9a\u4e00\u4e2a\u72ed\u7a84\u3001\u7a33\u5b9a\u7684\u7ffb\u8bd1\/\u4eff\u771f\u63a5\u53e3\u3002<\/li>\n<li>\u9488\u5bf9\u70ed\u95e8\u8def\u5f84\u3002<\/li>\n<li>\u5229\u7528 ISA \u4e4b\u95f4\u7684\u76f8\u4f3c\u6027\u3002<\/li>\n<\/ol>\n<p>transkernel \u7684\u539f\u578b\u88ab\u79f0\u4e4b\u4e3a ARK\uff08an <strong>AR<\/strong>m trans<strong>K<\/strong>ernel\uff09\u3002\u4f7f\u7528 200 MHz \u7684\u65f6\u949f\u9891\u7387\u4ee5\u53ca 32 KB \u7f13\u5b58\u7684 Cortex-M3 \u7684\u5916\u56f4\u6838\u5fc3\uff1b\u4f7f\u7528 Cortex-A9 \u4f5c\u4e3a\u4e3b\u5904\u7406\u5668\uff1b\u4ee5 Linux \u4e3a\u64cd\u4f5c\u7cfb\u7edf\u3002\u5728\u6b64\u914d\u7f6e\u4e0a\u5b9e\u73b0\u4e86\u4ec5\u652f\u6301 <strong>12<\/strong> \u4e2a Linux \u5185\u6838\u51fd\u6570\u548c <strong>1<\/strong> \u4e2a\u5185\u6838\u53d8\u91cf\u7684\u4e8c\u8fdb\u5236\u63a5\u53e3\u3002\u8fd9\u8db3\u4ee5\u4f7f\u76f8\u5173\u670d\u52a1<strong>\u7a33\u5b9a\u8fd0\u884c\u591a\u5e74<\/strong>\uff0c\u4e14<strong>\u5b8c\u5168\u652f\u6301<\/strong>\u8bbe\u5907\u7684\u6682\u505c\u548c\u6062\u590d\u3002<\/p>\n<p>\u4e0a\u8ff0\u7684\u505a\u6cd5\u6ee1\u8db3\u4e86\u529f\u80fd\u7684\u9700\u8981\uff0c\u4fdd\u8bc1\u4e86\u53ef\u884c\u6027\uff0c\u90a3\u4e48\u8fd9\u79cd\u505a\u6cd5\u5bf9<strong>\u6267\u884c\u6548\u7387<\/strong>\u548c<strong>\u80fd\u6e90\u6d88\u8017<\/strong>\u7684\u5f71\u54cd\u662f\u600e\u6837\u7684\u5462\uff1f\u901a\u8fc7\u548c\u672c\u5730\u5185\u6838\u6267\u884c\u5bf9\u6bd4\uff0c\u8be5\u65b9\u6cd5\u4f1a\u5bfc\u81f4 2.7 \u500d\u7684\u6267\u884c\u5f00\u9500\u4ee5\u53ca\u6162 5.2 \u500d\uff1b<strong>\u4f46\u662f\u80fd\u8282\u7ea6 34% \u7684\u80fd\u6e90<\/strong>\u3002<\/p>\n<h3>1.6 \u521b\u65b0\u70b9<\/h3>\n<p>Transkernel \u5bf9\u64cd\u4f5c\u7cfb\u7edf\uff08OS\uff09\u4ee5\u53ca\u52a8\u6001\u4e8c\u8fdb\u5236\uff08DBT\uff09\u7ffb\u8bd1\u6709\u4ee5\u4e0b\u8d21\u732e\uff1a<\/p>\n<ul>\n<li>transkernel \u6a21\u578b\uff1a\u7ed3\u5408\u52a8\u6001\u4e8c\u8fdb\u5236\u7ffb\u8bd1\u4ee5\u53ca\u6a21\u62df\u5668\uff0c\u5f25\u5408 ISA \u4e4b\u95f4\u7684\u533a\u522b\u548c\u5904\u7406\u5668\u4e4b\u95f4\u7684\u4e0d\u5bf9\u79f0\u6027\u3002<\/li>\n<li>transkernel \u5b9e\u73b0\uff1aARK\u3002<\/li>\n<li>ARK \u7684\u5b9e\u8df5\u6027\uff1a\u8de8 ISA \u7684\u52a8\u6001\u4e8c\u8fdb\u5236\u7ffb\u8bd1\uff1b\u5229\u7528 ISA \u4e4b\u95f4\u7684\u76f8\u4f3c\u6027\u6765\u63d0\u5347\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h2>2 \u52a8\u673a<\/h2>\n<p>\u8bba\u6587\u4ece\u5185\u6838\u7684\u8bbe\u5907\u6682\u505c\u548c\u6062\u590d\u3001\u4e0d\u540c\u7684 SoC \u7684\u5916\u56f4\u5904\u7406\u5668\u7684\u8bbe\u8ba1\u4ee5\u53ca\u64cd\u4f5c\u7cfb\u7edf\u7684\u8bbe\u8ba1\u7a7a\u95f4\u6765\u53d1\u73b0 transkernel \u7684\u4e00\u4e9b\u673a\u9047\u3002<\/p>\n<h3>2.1 \u5185\u6838\u7684\u8bbe\u5907\u6682\u505c\u548c\u6062\u590d<\/h3>\n<p>\u5728\u8bbe\u5907\u6682\u505c\u8fc7\u7a0b\u4e2d\uff0c\u64cd\u4f5c\u7cfb\u7edf\u5185\u6838\u9700\u8981\u7ef4\u62a4\u6587\u4ef6\u7cfb\u7edf\u7684\u5b58\u50a8\u3001\u91ca\u653e\u7528\u6237\u4efb\u52a1\u3001\u5173\u95ed IO \u8bbe\u5907\u7b49\u4e8b\u4ef6\u3002\u8fd9\u4e9b\u4e8b\u4ef6\u96be\u514d\u4f1a\u5bf9\u6027\u80fd\u9020\u6210\u635f\u5931\uff08\u7528\u6237\u4ee3\u7801\u6267\u884c\u7684 10 \u500d\uff09\u4ee5\u53ca\u66f4\u591a\u7684\u80fd\u6e90\u6d88\u8017\u3002\u4e4b\u6240\u4ee5\u8fd9\u6837\uff0c\u662f\u56e0\u4e3a\u4ee5\u4e0b\u51e0\u70b9\u539f\u56e0\uff1a<\/p>\n<ol>\n<li>\u8bbe\u5907\u7684\u6682\u505c\u548c\u6062\u590d\u662f\u4f4e\u6548\u7387\u7684\u3002<\/li>\n<li>\u8bbe\u5907\u7684\u79cd\u7c7b\u7e41\u591a\u3002<\/li>\n<li>\u4f18\u5316\u975e\u5e38\u56f0\u96be\u3002<\/li>\n<\/ol>\n<p>\u9664\u4e86\u4e0a\u8ff0\u4e4b\u5916\u5462\uff0c\u8bbe\u5907\u7684\u6682\u505c\u548c\u6062\u590d\u4f1a\u6d89\u53ca\u5230\u591a\u4e2a\u5185\u6838\u62bd\u8c61\u5c42\u3002\u6709\u5173\u8fd9\u90e8\u5206\u7684\u5185\u6838\u4ee3\u7801\u5c31\u591a\u8fbe <strong>154K SLoC<\/strong>\uff0c\u8fd9\u4e9b\u4ee3\u7801\u975e\u5e38\u590d\u6742\u96be\u4ee5\u7406\u89e3\u3002<\/p>\n<p>\u4f46\u662f\u6211\u4eec\u4f1a\u53d1\u73b0\uff0c\u8bbe\u5907\u7684\u6682\u505c\u548c\u6062\u590d\u5bf9<strong>\u5ef6\u8fdf\u4e0d\u654f\u611f<\/strong>\uff1b\u666e\u904d\u5bf9\u5185\u6838\u529f\u80fd\u7684\u8c03\u7528\u90fd\u662f\u4e00\u4e9b<strong>\u5e38\u7528\u7684\u529f\u80fd<\/strong>\uff08hot path\uff09\uff1b\u4e5f<strong>\u4e0d\u592a\u9700\u8981\u590d\u6742\u7684\u5e76\u884c\u6027<\/strong>\uff08\u8fd9\u91cc\u6307\u786c\u4ef6\u7684\u5e76\u884c\u6027\u548c\u5185\u6838\u7684\u6a21\u5757\u5316\uff09\u3002<em>\u57fa\u4e8e\u8fd9\u4e09\u4e2a\u7279\u6027\u505a\u4e00\u4e9b\u6539\u8fdb\uff0c\u5c31\u53ef\u4ee5\u589e\u52a0\u6267\u884c\u65f6\u95f4\u7684\u540c\u65f6\u63d0\u5347\u6548\u7387<\/em>\u3002<\/p>\n<h3>2.2 SoC \u7684\u7ed3\u6784<\/h3>\n<p>\u73b0\u5728\u5e7f\u53d7\u6b22\u8fce\u7684 SoC \u90fd\u6709\u7740\u76f8\u4f3c\u7684\u786c\u4ef6\u7ed3\u6784\uff0c\u5982\u4e0b\u8868\u6240\u793a\uff1a<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/raw.githubusercontent.com\/YEWPO\/yewpoblogonlinePic\/main\/image-20240328222322380.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/raw.githubusercontent.com\/YEWPO\/yewpoblogonlinePic\/main\/image-20240328222322380.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"image-20240328222322380\" \/><\/div><\/p>\n<p>\u6838\u5fc3\u5904\u7406\u5668\u548c\u5916\u56f4\u7684\u5904\u7406\u5668\u5177\u6709\u4ee5\u4e0b\u5173\u7cfb\u7279\u70b9\uff1a<\/p>\n<ul>\n<li>\u4e24\u8005\u57fa\u672c\u76f8\u4e92\u72ec\u7acb\u3002\u5916\u56f4\u5904\u7406\u5668\u5177\u6709\u5185\u5b58\u4fdd\u62a4\u5355\u5143\uff08MPU\uff09\u4f46\u662f\u4e0d\u5177\u6709\u5730\u5740\u8f6c\u6362\u5355\u5143\uff08MMU\uff09\uff0c\u8fd9\u5c31\u5bfc\u81f4\u4e86\u5916\u56f4\u5904\u7406\u5668\u4e0d\u80fd\u6267\u884c\u5b8c\u6574\u7684\u64cd\u4f5c\u7cfb\u7edf\u3002<\/li>\n<li>\u867d\u7136\u4e24\u8005\u76f8\u4e92\u72ec\u7acb\uff0c\u4f46\u662f\u4ed6\u4eec\u6240\u4f7f\u7528\u7684 ISA \u662f\u76f8\u4f3c\u7684\u3002\u5982\u8868 1 \u6240\u793a\uff0c\u4f7f\u7528\u7684\u90fd\u662f\u540c\u4e00\u7cfb\u5217\u4e0d\u540c\u5b50\u96c6\u800c\u5df2\u3002<\/li>\n<li>\u677e\u8026\u5408\uff0c\u4f46\u662f\u4f1a\u5171\u4eab\u5e73\u53f0\u7684\u8d44\u6e90\u3002<\/li>\n<\/ul>\n<p>\u5916\u56f4\u7684\u5904\u7406\u5668\u90fd\u5177\u6709\u6bd4\u8f83\u9ad8\u7684 IO \u5904\u7406\u5668\u6027\u80fd\uff0c\u6267\u884c\u7684\u65f6\u5019\u4e0d\u9700\u8981 CPU \u7684\u53c2\u4e0e\uff0c\u7a7a\u95f2\u65f6\u95f4\u6240\u6d88\u8017\u7684\u80fd\u6e90\u5c11\uff0c\u7ed3\u6784\u7b80\u5355\u7b49\u4f18\u70b9\uff0c\u4f7f\u5176\u80fd\u591f\u8fbe\u5230\u8282\u7ea6\u80fd\u6e90\u7684\u6548\u679c\u3002\u4e0e\u6838\u5fc3\u7684\u5904\u7406\u5668\u6709\u76f8\u4f3c\u7684 ISA\uff0c\u4f7f\u5176\u4e4b\u95f4\u7684\u4ea4\u4e92\u53d8\u5f97\u5bb9\u6613\u3002<\/p>\n<blockquote>\n<p><strong>\u4e3a\u4ec0\u4e48 SoC \u7684\u4e0d\u540c\u6838\u7684 ISA \u5177\u6709\u76f8\u4f3c\u6027\uff1f<\/strong><\/p>\n<p>\u5bf9\u4e8e ISA \u7684\u8bbe\u8ba1\u8005\u6765\u8bf4\uff0c\u5404\u4e2a\u5b50\u96c6\u4e4b\u95f4\u7684\u6307\u4ee4\u8bed\u6cd5\u5e94\u5f53\u76f8\u4f3c\uff08\u4fbf\u4e8e\u786c\u4ef6\u89e3\u7801\uff09\u3002<\/p>\n<p>\u5bf9\u4e8e SoC \u7684\u4f9b\u5e94\u5546\u6765\u8bf4\uff0c\u53ef\u4ee5\u7b80\u5316\u8f6f\u4ef6\u8bbe\u8ba1\uff0c\u7845\u7247\u8bbe\u8ba1\uff0c\u751a\u81f3\u662f ISA \u7684\u4f7f\u7528\u6743\u95ee\u9898\u3002<\/p>\n<\/blockquote>\n<h3>2.3 \u64cd\u4f5c\u7cfb\u7edf\u7684\u8bbe\u8ba1\u7a7a\u95f4<\/h3>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/raw.githubusercontent.com\/YEWPO\/yewpoblogonlinePic\/main\/image-20240328223950850.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/raw.githubusercontent.com\/YEWPO\/yewpoblogonlinePic\/main\/image-20240328223950850.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"image-20240328223950850\" \/><\/div><\/p>\n<p>\u56fe 2 \u4e2d\u5c55\u793a\u4e86\u4e24\u79cd\u8bbe\u8ba1\u601d\u8def\uff0c\u56fe 2 \u7684 a \u7684\u65b9\u5f0f\u662f\u5c06 Linux \u5185\u6838\u4e2d\u6d89\u53ca\u8bbe\u5907\u7684\u6682\u505c\u548c\u6062\u590d\u7684\u90e8\u5206\u5355\u72ec\u63d0\u53d6\u51fa\u6765\uff08\u91cd\u6784\uff09\uff0c\u5e76\u5c06\u5176\u7f16\u8bd1\u6210\u5916\u56f4\u5904\u7406\u5668\u6240\u652f\u6301\u7684 ISA \u6307\u4ee4\uff08\u4e5f\u5c31\u5f62\u6210\u4e86\u65b0\u7684\u5916\u56f4\u5185\u6838\uff09\u3002\u5176\u4e2d\uff0c\u4f1a\u6d89\u53ca\u5230\u4e24\u4e2a\u63a5\u53e3\uff0c\u2460 \u548c \u2461\uff0c\u5206\u522b\u8868\u793a\u4e24\u4e2a\u4e0d\u540c ISA \u4e4b\u95f4\u7684\u63a5\u53e3\u548c\u5916\u56f4\u5185\u6838\u548c\u6765\u81ea Linux \u5185\u6838\u4ee3\u7801\u7684\u63a5\u53e3\u3002<\/p>\n<p>\u5bf9\u4e8e \u2460 \u63a5\u53e3\uff0c\u9700\u8981\u89e3\u51b3<strong>\u5185\u6838\u6570\u636e\u7684\u72ec\u7acb\u6027<\/strong>\u3002\u7136\u800c Linux \u5185\u6838\u6570\u636e\u548c\u5916\u56f4\u5185\u6838\u7684\u6570\u636e\u4ea4\u4e92\uff0c\u4f1a\u53d7\u5230 ISA \u7684\u9009\u62e9\u3001\u5185\u6838\u7684\u914d\u7f6e\u3001\u5185\u6838\u7248\u672c\u7b49\u56e0\u7d20\u7684\u5f71\u54cd\u3002\u9700\u8981\u5bf9\u5185\u6838\u4ee3\u7801\u548c\u914d\u7f6e\u8fdb\u884c\u9891\u7e41\u7684\u8c03\u6574\u6765\u9002\u914d\uff0c\u8fd9\u6837\u7684\u5de5\u4f5c\u662f\u4ee4\u4eba\u75af\u72c2\u7684\u3002<\/p>\n<p>\u5bf9\u4e0e \u2461 \u63a5\u53e3\uff0c\u9700\u8981\u89e3\u51b3<strong>\u529f\u80fd\u72ec\u7acb\u6027<\/strong>\u3002Linux \u5185\u6838\u8ddf\u8bbe\u5907\u76f8\u5173\u7684\u529f\u80fd\u51fd\u6570\u53ef\u80fd\u5c31\u591a\u8fbe\u6570\u767e\u79cd\uff0c\u800c\u4e14\u8fd8\u5728\u4e0d\u65ad\u5730\u66f4\u65b0\u3002\u7ef4\u62a4\u8fd9\u6837\u4e00\u4e2a\u63a5\u53e3\u4e5f\u662f\u975e\u5e38\u56f0\u96be\u7684\u3002<\/p>\n<p>\u7efc\u4e0a\u6240\u8ff0\uff0c\u5916\u56f4\u5185\u6838\u9700\u8981<strong>\u8f83\u5f3a\u7684\u72ec\u7acb\u6027<\/strong>\uff0c\u4e0d\u4f9d\u8d56\u4e8e Linux \u5185\u6838\u3002\u4e8e\u662f\u5c31\u6709\u4e86\u56fe 2 \u7684 b \u65b9\u5f0f\uff0c\u6211\u4eec<strong>\u76f4\u63a5\u4f7f\u7528 Linux \u5185\u6838\u4e2d\u6210\u719f\u7684\u8bbe\u5907\u76f8\u5173\u4ee3\u7801<\/strong>\uff0c\u5c06\u5176\u901a\u8fc7 DBT \u6280\u672f \u2463 \u7ffb\u8bd1\u6210\u5916\u56f4\u5904\u7406\u5668\u6240\u652f\u6301\u7684 ISA\u3002\u8fd9\u6837\u8bd1\u7801\u540e\uff0c\u5916\u56f4\u6838\u5fc3\u4e5f\u53ef\u4ee5\u76f4\u63a5\u64cd\u4f5c\u5185\u6838\u72b6\u6001 \u2462\u3002<\/p>\n<p>\u56fe 2 \u7684 b \u65b9\u5f0f\u4e5f\u5b58\u5728\u4e00\u4e9b\u95ee\u9898\uff1a\u73b0\u6709\u7684\u8de8 ISA \u7684 DBT \u5f00\u9500\u5f88\u5927\uff1b\u5bf9\u6574\u4e2a Linux \u8fdb\u884c DBT \u4e5f\u5f88\u590d\u6742\uff0c\u4e14\u5916\u56f4\u5904\u7406\u5668<strong>\u96be\u4ee5\u63d0\u4f9b\u8f6f\u4ef6\u548c\u8c03\u8bd5\u652f\u6301<\/strong>\u3002<\/p>\n<h3>2.4 \u8bbe\u8ba1\u76ee\u6807<\/h3>\n<ol>\n<li>\u590d\u7528\u5df2\u6709\u7684\u5185\u6838\u8d44\u6e90\u3002<\/li>\n<li>\u6784\u5efa\u4e00\u6b21\uff0c\u591a\u5904\u4f7f\u7528\u3002<\/li>\n<li>\u4f4e\u5f00\u9500\u3002<\/li>\n<\/ol>\n<h2>3 Transkernel \u6a21\u578b<\/h2>\n<p>transkernel \u7531\u4e24\u5927\u90e8\u5206\u6784\u6210\uff1a1. \u7528\u4e8e\u7ffb\u8bd1\u548c\u6267\u884c\u4e0d\u53ef\u4fee\u6539\u7684\u5185\u6838\u4ee3\u7801\u7684\u52a8\u6001\u4e8c\u8fdb\u5236\u7ffb\u8bd1\u5f15\u64ce\uff1b2. \u6a21\u62df\u7684\u6700\u5c0f\u5316\u7684\u5185\u6838\u670d\u52a1\u3002<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/raw.githubusercontent.com\/YEWPO\/yewpoblogonlinePic\/main\/rtk.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/raw.githubusercontent.com\/YEWPO\/yewpoblogonlinePic\/main\/rtk.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"rtk\" \/><\/div><\/p>\n<p>transkernel \u4e5f\u9075\u5b88\u4ee5\u4e0b 4 \u4e2a\u539f\u5219\uff1a<\/p>\n<ol>\n<li>\u7ffb\u8bd1\u6709\u72b6\u6001\u7684\u4ee3\u7801\uff0c\u6a21\u62df\u65e0\u72b6\u6001\u7684\u670d\u52a1\u3002\u50cf\u8bbe\u5907\u9a71\u52a8\u3001\u9a71\u52a8\u5e93\u548c\u4e00\u5c0f\u90e8\u5206\u5185\u6838\u670d\u52a1\uff0c\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u5185\u6838\u539f\u6709\u7684\u4ee3\u7801\uff0c\u5c06\u5176\u7ffb\u8bd1\u6210\u5916\u56f4\u5904\u7406\u5668\u6240\u652f\u6301\u7684 ISA\u3002\u5bf9\u4e8e\u6ca1\u6709\u72b6\u6001\u7684\u4e00\u4e9b\u5185\u6838\u670d\u52a1\uff0c\u53ef\u4ee5\u7528\u6a21\u62df\u6267\u884c\uff0c\u4e0d\u9700\u8981\u548c\u5185\u6838\u7684\u72b6\u6001\u8fdb\u884c\u4ea4\u4e92\u3002<\/li>\n<li>\u53d1\u73b0\u5c11\u91cf\u7a33\u5b9a\u7684\u7ffb\u8bd1\u548c\u6a21\u62df\u7684\u4e8c\u8fdb\u5236\u63a5\u53e3\u3002\u8fd9\u4e9b\u63a5\u53e3\u4e0d\u53d7\u5185\u6838\u914d\u7f6e\u7684\u5f71\u54cd\uff0c\u4e14\u957f\u671f\u4e0d\u4f1a\u53d1\u751f\u53d8\u5316\u3002<\/li>\n<li>\u4ec5\u9488\u5bf9\u70ed\u8def\u5f84\u3002\u5927\u90e8\u5206\u60c5\u51b5\u4e0b\uff0c\u90fd\u4f1a\u6267\u884c\u4e00\u4e9b\u5e38\u7528\u7684\u529f\u80fd\u3002\u53ef\u4ee5\u9488\u5bf9\u8fd9\u4e00\u90e8\u5206\u8fdb\u884c\u4f18\u5316\u3002\u5176\u4ed6\u8f83\u51b7\u7684\u8def\u5f84\uff0c\u5c31\u53ef\u4ee5\u4ea4\u7ed9\u539f CPU \u6267\u884c\u3002\u8fd9\u6837\u4e5f\u53ef\u4ee5\u4f7f transkernel \u7684\u8bbe\u8ba1\u7b80\u5355\u5316\u3002<\/li>\n<li>\u5229\u7528 ISA \u7684\u76f8\u4f3c\u6027\u3002\u5229\u7528\u540c\u7cfb\u5217\u7684\u6307\u4ee4\u96c6\u7684\u8bed\u4e49\u3001\u5bc4\u5b58\u5668\u4f7f\u7528\u4ee5\u53ca\u63a7\u5236\u6d41\u7684\u76f8\u4f3c\u5904\u3002<\/li>\n<\/ol>\n<p>transkernel \u5f53\u7136\u4e5f\u6709\u6709\u4e00\u4e9b\u9650\u5236\u3002\u4f8b\u5982\uff0c\u5229\u7528 ISA \u7684\u76f8\u4f3c\u6027\uff0c\u8fd9\u4e00\u539f\u5219\u5bf9\u4e8e<strong>\u4e0d\u540c\u7cfb\u5217\u7684 ISA \u5c31\u4e0d\u9002\u7528<\/strong>\uff08\u5982 x86 \u548c arm\uff09\uff0c\u53cd\u800c\u6ca1\u6709\u597d\u5904\u3002\u8bbe\u8ba1\u673a\u9047\u4e2d\u63d0\u5230\u4e86\u53ef\u4ee5\u964d\u4f4e\u5ef6\u8fdf\u7684\u654f\u611f\u6027\uff0c\u8fd9\u4e00\u70b9\u5bf9\u4e00\u4e9b<strong>\u5ef6\u8fdf\u654f\u611f\u7684\u64cd\u4f5c<\/strong>\uff0c\u5982\u7528\u6237\u7684\u8f93\u5165\uff0c\u53ef\u80fd\u5c31\u4f1a\u964d\u4f4e\u7528\u6237\u7684\u4f7f\u7528\u4f53\u9a8c\u611f\u3002<strong>\u76ee\u524d\u53ef\u4ee5\u4f7f\u7528\u63a2\u6d4b\u7684\u65b9\u5f0f\uff0c\u6765\u627e\u5230\u8fd9\u4e9b\u5ef6\u8fdf\u654f\u611f\u7684\u64cd\u4f5c\uff0c\u5e76\u5c06\u5176\u4ea4\u7ed9\u539f CPU \u6267\u884c\u3002<\/strong><\/p>\n<h2>4 ARK \u5b9e\u4f8b<\/h2>\n<p>\u4e0b\u56fe\u5c55\u793a\u7684\u662f ARK \u7684\u7ed3\u6784\u3002<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/raw.githubusercontent.com\/YEWPO\/yewpoblogonlinePic\/main\/image-20240330161203222.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/raw.githubusercontent.com\/YEWPO\/yewpoblogonlinePic\/main\/image-20240330161203222.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"image-20240330161203222\" \/><\/div><\/p>\n<p>\u4e0b\u6587\u4e2d\uff0c<strong>\u63d0\u5230\u7ffb\u8bd1\u4ee3\u7801\u90fd\u662f\u6709\u72b6\u6001\u7684\u4e8b\u4ef6\uff0c\u6a21\u62df\u90fd\u662f\u65e0\u72b6\u6001\u7684\u4e8b\u4ef6<\/strong>\u3002\u8fd9\u4e00\u70b9\u4ece\u4e0a\u56fe\u4e2d\u5c31\u53ef\u4ee5\u770b\u51fa\u3002<\/p>\n<p>ARK \u662f\u72ec\u7acb\u4e8e Linux \u7684\u4e00\u4e2a\u5185\u6838\uff0c\u80fd\u591f\u4ee3\u66ff Linux \u5b8c\u6210\u4e00\u4e9b\u4e8b\u4ef6\u3002\u8981\u66ff Linux \u5b8c\u6210\u4e00\u4e9b\u4e8b\u4ef6\uff0c\u6211\u4eec\u9700\u8981\u5c06\u63a7\u5236\u6743\u4ece CPU \u624b\u4e2d\u8f6c\u79fb\u5230\u5230\u5916\u56f4\u5904\u7406\u5668\u7684\u624b\u4e2d\u3002<strong>\u8fd9\u4e2a\u63a7\u5236\u6743\u8f6c\u79fb\u8fc7\u7a0b\u88ab\u79f0\u4e4b\u4e3a handoff\u3002<\/strong><\/p>\n<p>\u7531\u4e8e\u51b7\u8def\u5f84\u88ab\u63d0\u524d\u5b9a\u4e49\u4e86\uff0cARK \u53ea\u4f1a\u6267\u884c\u70ed\u8def\u5f84\u3002<strong>\u5982\u679c\u662f\u51b7\u8def\u5f84\uff0c\u4f1a\u539f\u4ea4\u7ed9 CPU \u6765\u6267\u884c<\/strong>\u3002\u4e3a\u4e86\u80fd\u591f\u652f\u6301\u5e76\u53d1\u6027\uff0cARK \u7ef4\u62a4\u4e86\u6570\u5341\u4e2a DBT \u7684\u4e0a\u4e0b\u6587\uff0c\u5e76\u91c7\u7528<strong>\u8f6e\u8be2<\/strong>\u7684\u65b9\u5f0f\u6765\u8fdb\u884c\u8c03\u5ea6\u3002\u540c\u65f6\uff0c\u5207\u6362\u8fd9\u4e9b\u4e0a\u4e0b\u6587\u7684\u5f00\u9500\u4e5f\u975e\u5e38\u7684\u5c0f\u3002<\/p>\n<p>\u9664\u4e86 DBT \u4e0a\u4e0b\u6587\u7684\u8c03\u5ea6\u4e4b\u5916\u5462\uff0cARK \u8fd8\u80fd\u5b8c\u6210\u4ee5\u4e0b\u4e8b\u4ef6\uff1a<\/p>\n<ul>\n<li>\u4e2d\u65ad\u548c\u5f02\u5e38\u5904\u7406\uff08\u6a21\u62df\uff09\uff1aARK \u53ea\u652f\u6301\u4e2d\u65ad\uff0c\u4e0d\u652f\u6301\u5f02\u5e38\u5904\u7406\u3002\u540c\u65f6\uff0c\u4e2d\u65ad\u4e5f\u5206\u6210\u5185\u90e8\u4e2d\u65ad\u548c\u5916\u90e8\uff08\u8bbe\u5907\uff09\u4e2d\u65ad\u3002\u5728\u5185\u90e8\u4e2d\u65ad<strong>\u65e9\u671f<\/strong>\u7684\u65f6\u5019\u662f\u548c<strong>\u67b6\u6784\u76f8\u5173<\/strong>\u7684\uff0c\u9700\u8981 ARK \u5148\u6a21\u62df\uff0c\u7136\u540e\uff0c\u4ea4\u4ed8\u7ed9\u5185\u6838\u5b8c\u6210\u5269\u4e0b\u7684\u4e2d\u65ad\u5904\u7406\u3002\u5bf9\u4e8e\u5916\u90e8\u4e2d\u65ad\uff0cARK \u5c31\u76f4\u63a5\u6a21\u62df\u3002\u7531\u4e8e CPU \u548c\u5916\u56f4\u5904\u7406\u5668\u7684\u67b6\u6784\u4e0d\u540c\uff0c\u7279\u6743\u5bc4\u5b58\u5668\u4e0d\u540c\uff0c\u6240\u4ee5\u5982\u679c\u8bbf\u95ee\u7684\u662f CPU \u7684\u7279\u6743\u5bc4\u5b58\u5668\uff0c\u5c31\u8981\u629b\u51fa\u9519\u8bef\uff0c\u5e76\u7531 ARK \u5b8c\u6210\u76f8\u5e94\u7684\u9519\u8bef\u5904\u7406\u3002<\/li>\n<li>\u5ef6\u8fdf\u4efb\u52a1\uff08\u7ffb\u8bd1\uff09\uff1aARK \u4f1a\u5206\u914d\u4e13\u7528\u7684 DBT \u4e0a\u4e0b\u6587\u6765\u6267\u884c\u8fd9\u4e9b\u5ef6\u8fdf\u4efb\u52a1\u3002\u4f8b\u5982\uff0c\u4e3a\u6bcf\u4e00\u4e2a\u4e2d\u65ad\u5206\u914d\u4e00\u4e2a\u4e0a\u4e0b\u6587\uff1b\u5206\u914d\u4e00\u4e2a\u4e0a\u4e0b\u6587\u6765\u6267\u884c\u77ed\u65f6\uff0c\u4e0d\u9700\u8981\u7761\u7720\u7684\u4efb\u52a1\uff08tasklet\uff09\uff1b\u4e3a\u6bcf\u4e00\u4e2a\u6267\u884c\u961f\u5217\u5206\u914d\u4e00\u4e2a\u4e0a\u4e0b\u6587\uff0c\u8fd9\u4e9b\u6267\u884c\u961f\u5217\u4e0d\u4f1a\u963b\u585e\u5176\u4ed6\u6267\u884c\u961f\u5217\u7684\u6267\u884c\u3002<\/li>\n<li>\u9501\u673a\u5236\uff1a\u5bf9\u4e8e\u81ea\u65cb\u9501\uff0c\u4f7f\u7528\u662f\u6a21\u62df\u7684\u65b9\u6cd5\u3002\u56e0\u4e3a\u5728 handoff \u671f\u95f4\uff0cCPU \u4e0d\u6301\u6709\u81ea\u65cb\u9501\u3002\u8fd9\u6837\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u5c4f\u853d\u4e2d\u65ad\u548c\u6062\u590d\u4e2d\u65ad\u6765\u6a21\u62df\u51fa\u81ea\u65cb\u9501\u7684\u6548\u679c\u3002\u800c\u5bf9\u4e8e\u7761\u7720\u9501\uff0c\u4f7f\u7528\u7ffb\u8bd1\u7684\u65b9\u5f0f\uff0c\u56e0\u4e3a\u662f\u6709\u72b6\u6001\u7684\u3002<\/li>\n<li>\u5185\u5b58\u5206\u914d\uff08\u7ffb\u8bd1\uff09\uff1aARK \u53ef\u4ee5\u50cf\u5185\u6838\u4e00\u6837\u5206\u914d\u548c\u91ca\u653e\u7a7a\u95f4\uff0c\u9664\u975e\u9047\u5230\u5185\u5b58\u4e0d\u591f\u5206\u914d\u7684\u60c5\u51b5\uff08\u8fd9\u79cd\u60c5\u51b5\u51fa\u73b0\u7684\u6982\u7387\u5f88\u4f4e\uff09\u3002<\/li>\n<li>\u5ef6\u8fdf\uff08Delay\uff09\uff08\u6a21\u62df\uff09\uff1a\u901a\u8fc7\u6682\u505c\u8c03\u7528\u8005\u7684\u4e0a\u4e0b\u6587\u6765\u5b9e\u73b0 msleep \u529f\u80fd\u3002<\/li>\n<li>jiffies\uff08\u4e00\u4e2a\u65f6\u95f4\u6709\u5173\u53d8\u91cf\uff09\uff1a<strong>\u552f\u4e00\u548c\u5185\u6838\u5171\u4eab\u7684\u53d8\u91cf<\/strong>\u3002\u4f7f\u7528\u5916\u56f4\u5904\u7406\u5668\u7684\u8ba1\u65f6\u5668\u6765\u6d4b\u91cf\u65f6\u95f4\u3002<\/li>\n<\/ul>\n<h2>5 \u52a8\u6001\u4e8c\u8fdb\u5236\u7ffb\u8bd1<\/h2>\n<blockquote>\n<p>\u73b0\u5728\u666e\u904d\u7684\u52a8\u6001\u4e8c\u8fdb\u5236\u7ffb\u8bd1\u5f15\u64ce\uff08\u5982 QEMU\uff09\uff0c\u90fd\u662f\u8de8 ISA \u7ffb\u8bd1\u3002\u6309\u7167\u4e8b\u5148\u7f16\u5199\u597d\u7684\u7ffb\u8bd1\u89c4\u5219\uff0c\u5c06\u5ba2\u6237\u6307\u4ee4\u7ffb\u8bd1\u6210\u5bf9\u5e94\u5bbf\u4e3b\u7684\u6307\u4ee4\u6216\u8005\u6307\u4ee4\u5757\u3002\u7ffb\u8bd1\u4e4b\u540e\u5462\uff0c\u5f15\u64ce\u4e5f\u4f1a\u5c06\u7ffb\u8bd1\u89e3\u51b3\u7f13\u5b58\u5728\u4ee3\u7801\u7f13\u5b58\uff08code cache\uff09\u4e2d\uff0c\u65b9\u4fbf\u4e0b\u4e00\u6b21\u76f4\u63a5\u4f7f\u7528\u3002<\/p>\n<\/blockquote>\n<p>ARK 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src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/raw.githubusercontent.com\/YEWPO\/yewpoblogonlinePic\/main\/image-20240330223457726.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"image-20240330223457726\" \/><\/div><\/p>\n<p>\u4e0a\u8868\u5c55\u793a\u4e86\u4ece ARM v7a \u5230 ARM v7m \u8f6c\u79fb\u53ef\u4ee5\u4f7f\u7528\u7684\u7b56\u7565\u3002\u9664\u4e86\u5ffd\u7565\u4e00\u4e9b\u4e2d\u65ad\u548c\u5f02\u5e38\u6307\u4ee4\u5916\uff0c80% \u7684\u6307\u4ee4\u90fd\u53ef\u4ee5\u76f4\u63a5\u7ffb\u8bd1\u6210\u5bf9\u5e94\u7684\u4e00\u6761 v7m \u6307\u4ee4\u300215% \u7684\u6307\u4ee4\u4ec5\u9700\u8981\u5904\u7406\u4e00\u4e0b\u526f\u4f5c\u7528\uff08Side effect\uff09\u3001\u5e38\u91cf\u8868\u793a\u8303\u56f4\u7684\u9650\u5236\uff08Const constraints\uff09\u4ee5\u53ca\u4f4d\u79fb\u529f\u80fd\u9650\u5236\uff08Shift modes\uff09\uff0c\u7528\u51e0\u6761 v7m \u6307\u4ee4\u5c31\u80fd\u5b9e\u73b0\u76f8\u5e94\u7684\u529f\u80fd\u3002\u6700\u540e\uff0c\u4e5f\u4ec5\u6709 27 \u6761\u6307\u4ee4\u4e0d\u80fd\u76f4\u63a5\u627e\u5230\u5bf9\u5e94\u7684\u6307\u4ee4\uff0c\u9700\u8981\u81ea\u5df1\u521b\u5efa\u7ffb\u8bd1\u89c4\u5219\u3002<\/p>\n<h3>5.2 \u76f8\u4f3c\u7684\u5bc4\u5b58\u5668<\/h3>\n<p>v7a \u548c v7m \u90fd\u4f7f\u7528\u7740\u76f8\u540c\u7684\u901a\u7528\u5bc4\u5b58\u5668\uff0cv7a \u7684\u5bc4\u5b58\u5668\u7684\u6570\u91cf\u4f1a\u6bd4 v7m \u591a\u3002<strong>ARK \u4f7f\u7528\u5bf9\u5185\u5b58\u7684\u5b58\u53d6\u7684\u65b9\u5f0f\u6765\u66ff\u4ee3\u6240\u6709\u5ba2\u6237\u7684\u5bc4\u5b58\u5668<\/strong>\u3002\u7531\u4e8e v7m 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\u6765\u8bf4\uff0c\u662f\u76f4\u63a5\u4f7f\u7528\u4e86\u5bbf\u4e3b\u7684\u5185\u5b58\u7a7a\u95f4\u4ee5\u53ca\u5bbf\u4e3b\u7684\u5185\u5b58\u6570\u7ec4\u6765\u6a21\u62df\u7684 PC\uff0cLR \u4ee5\u53ca\u6808\u3002\u5f53\u9047\u5230\u51fd\u6570\u8c03\u7528\u8fd4\u56de\u7684\u65f6\u5019\uff0cDBT \u5c31\u9700\u8981\u5728\u5bbf\u4e3b\u7684\u5185\u5b58\u4e2d\u627e\u5230\u8fd4\u56de\u7684\u5730\u5740\uff0c\u8fd9\u6837\u7684\u5f00\u9500\u662f\u6781\u5927\u7684\uff0c\u4e0d\u80fd\u627f\u53d7\u3002ARK \u5c31\u76f4\u63a5<strong>\u4f7f\u7528\u4e86\u5ba2\u6237\u7684\u6808\u7a7a\u95f4<\/strong>\uff1b\u5bf9\u4e8e\u51fd\u6570\u7684\u8c03\u7528\uff0c\u76f4\u63a5\u5c06<strong>\u8fd4\u56de\u5730\u5740\u5b58\u653e\u5728\u4ee3\u7801\u7f13\u5b58\u4e2d<\/strong>\uff0c\u8fd4\u56de\u7684\u65f6\u5019\u76f4\u63a5\u4ece\u7f13\u5b58\u4e2d\u53d6\u51fa\u3002<\/p>\n<p>\u5bf9\u4e8e CPU \u6765\u8bb2\uff0c\u5b58\u50a8\u5728\u5ba2\u6237\u6808\u91cc\u9762\u7684\u4ee3\u7801\u7f13\u5b58\u5730\u5740\u662f\u65e0\u610f\u4e49\u7684\u3002\u6240\u4ee5\uff0c\u5728\u56de\u9000\u7ed9 CPU \u6267\u884c\u7684\u65f6\u5019\uff0c\u9700\u8981\u5c06\u8fd9\u90e8\u5206\u5730\u5740\u8f6c\u6362\u6210\u5bf9\u5e94\u7684\u5ba2\u6237\u5730\u5740\u3002\u6b64\u5916\uff0c\u5ba2\u6237\u7684\u538b\u6808\u548c\u5f39\u6808\u64cd\u4f5c\u53ef\u80fd\u4f1a\u5f71\u54cd\u6a21\u62df\u7684\u5bc4\u5b58\u5668\uff0c\u9700\u8981\u5bf9\u6a21\u62df\u7684\u5bc4\u5b58\u5668\u8fdb\u884c\u53ca\u65f6\u7684\u540c\u6b65\u3002<\/p>\n<h2>6 \u56de\u9000 CPU \u95ee\u9898<\/h2>\n<ul>\n<li>\u63a8\u8fdf\u5de5\u4f5c\u7684\u56de\u9000\uff1a\u56de\u9000\u7ed9 CPU \u540e\uff0c\u8fd9\u4e9b\u4efb\u52a1\u4ecd\u7136\u8981\u7ee7\u7eed\u6267\u884c\u3002\u7136\u800c <strong>Linux \u5185\u6838\u6ca1\u6709 DBT \u4e0a\u4e0b\u6587\u76f8\u5173\u7684\u90e8\u5206<\/strong>\u3002\u89e3\u51b3\u65b9\u6cd5\uff1a\u5728 Linux \u5185\u6838\u4e2d\u521b\u5efa\u4e00\u4e2a\u7ebf\u7a0b\u6765\u63a5\u53d7\u8fd9\u4e9b\u5de5\u4f5c\u3002<\/li>\n<li>\u4e2d\u65ad\u7684\u56de\u9000\uff1a\u7531\u4e8e <strong>CPU \u548c\u5916\u56f4\u5904\u7406\u5668\u7684\u67b6\u6784\u4e0d\u540c<\/strong>\uff0c\u4e0d\u80fd\u76f4\u63a5\u4ea4\u7ed9 CPU \u6765\u5904\u7406\u3002\u5e94\u6709\u8be5\u5916\u56f4\u5904\u7406\u5668\u5411 CPU \u53d1\u51fa\u4e00\u4e2a IPI \u4e2d\u65ad\uff0c\u7136\u540e CPU \u518d\u8fdb\u884c\u5904\u7406\u3002<\/li>\n<\/ul>\n<h2>7 \u603b\u7ed3<\/h2>\n<p>transkernel \u662f\u4e00\u79cd\u65b0\u7684\u5185\u6838\u6a21\u578b\uff0c\u4e3b\u8981\u9488\u5bf9\u539f\u6709\u5185\u6838\u7684\u8bbe\u5907\u6682\u505c\u548c\u6062\u590d\u3002\u5229\u7528\u5f02\u6784\u5904\u7406\u5668\u7684\u7279\u70b9\uff0c\u4f7f\u7528\u8de8 ISA \u7684\u52a8\u6001\u4e8c\u8fdb\u5236\u7ffb\u8bd1\u5f15\u64ce\uff0c\u5c06\u5df2\u6709\u7684\u5185\u6838\u4ee3\u7801\u7684\u6709\u72b6\u6001\u90e8\u5206\u8fdb\u884c\u7ffb\u8bd1\u6267\u884c\uff0c\u5e76\u5c06\u65e0\u72b6\u6001\u7684\u90e8\u5206\u63d0\u4f9b\u670d\u52a1\u6a21\u62df\u6267\u884c\uff0c\u63d0\u9ad8\u6267\u884c\u6548\u7387\u7684\u540c\u65f6\uff0c\u53ef\u4ee5\u51cf\u5c11\u5bf9\u80fd\u6e90\u7684\u6d88\u8017\u3002<\/p>\n<h2>\u53c2\u8003\u6587\u732e<\/h2>\n<p>[1] Liwei Guo, Shuang Zhai, Yi Qiao, and Felix Xiaozhu Lin. 2019. Transkernel: bridging monolithic kernels to peripheral cores. In Proceedings of the 2019 USENIX Conference on Usenix Annual Technical Conference (USENIX ATC &#8217;19). USENIX Association, USA, 675\u2013691.<\/p>\n<p>[2] microcontroller (MCU). <a href=\"https:\/\/www.techtarget.com\/iotagenda\/definition\/microcontroller\">https:\/\/www.techtarget.com\/iotagenda\/definition\/microcontroller<\/a>.<\/p>\n<p>[3] wikipedia.org \u4e8c\u8fdb\u5236\u7ffb\u8bd1. <a href=\"https:\/\/zh.wikipedia.org\/wiki\/%E4%BA%8C%E8%BF%9B%E5%88%B6%E7%BF%BB%E8%AF%91\">https:\/\/zh.wikipedia.org\/wiki\/%E4%BA%8C%E8%BF%9B%E5%88%B6%E7%BF%BB%E8%AF%91<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Transkernel: Bridging Monolithic Kernels to Peripheral Cores \u8bba\u6587\u9605\u8bfb\u8bb0\u5f55\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-118","post","type-post","status-publish","format-standard","hentry","category-paper"],"_links":{"self":[{"href":"https:\/\/www.yewpo.top\/index.php\/wp-json\/wp\/v2\/posts\/118","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.yewpo.top\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.yewpo.top\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.yewpo.top\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.yewpo.top\/index.php\/wp-json\/wp\/v2\/comments?post=118"}],"version-history":[{"count":0,"href":"https:\/\/www.yewpo.top\/index.php\/wp-json\/wp\/v2\/posts\/118\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.yewpo.top\/index.php\/wp-json\/wp\/v2\/media?parent=118"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.yewpo.top\/index.php\/wp-json\/wp\/v2\/categories?post=118"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.yewpo.top\/index.php\/wp-json\/wp\/v2\/tags?post=118"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}