![\"\u5982\u4f55\u6df1\u5165\u7406\u89e3rocket-chip](\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/27104307\/7230e9b5-2a21-4cb5-8d0f-77ee04ea0af8.webp\")
<\/p>\n<\/p>\n
Rocket Chip\u662f\u4e00\u79cdScala\u8bed\u8a00\u7f16\u5199\u7684RISC-V\u5904\u7406\u5668\u6838\u5fc3\u751f\u6210\u5de5\u5177<\/strong>\u3001\u53ef\u4ee5\u9ad8\u5ea6\u5b9a\u5236\u5316\u5904\u7406\u5668\u6838\u5fc3\u914d\u7f6e\u3001\u652f\u6301\u5404\u79cd\u6269\u5c55\u4ee5\u53ca\u5916\u56f4\u8bbe\u5907\u63a5\u53e3\u3002\u4e3a\u4e86\u6df1\u5165\u7406\u89e3Rocket Chip\u7684\u4ee3\u7801\uff0c\u9996\u5148\u9700\u8981\u638c\u63e1Chisel\u8bed\u8a00\uff08\u6784\u5efa\u786c\u4ef6\u7684\u9ad8\u5c42\u8bed\u8a00\uff09\u7684\u57fa\u672c\u8bed\u6cd5\u4ee5\u53caRISC-V\u6307\u4ee4\u96c6\u7684\u6838\u5fc3\u6982\u5ff5\u3002<\/p>\n<\/p>\n Rocket Chip\u67b6\u6784\u4e2d\u6700\u6838\u5fc3\u7684\u7ec4\u6210\u90e8\u5206\u662fRocket\u6838\u5fc3\uff0c\u5b83\u662f\u4e00\u4e2a\u9ad8\u6027\u80fd\u3001\u53ef\u914d\u7f6e\u7684RISC-V\u5904\u7406\u5668\u6838\u5fc3\u3002Rocket\u6838\u6709\u4e94\u7ea7\u6d41\u6c34\u7ebf\u8bbe\u8ba1<\/strong>\u3001\u652f\u6301\u865a\u62df\u5185\u5b58\u548c\u591a\u79cdRISC-V\u6269\u5c55\u3002\u719f\u6089Rocket\u6838\u7684\u4ee3\u7801\uff0c\u9700\u8981\u7406\u89e3\u5176\u6d41\u6c34\u7ebf\u7684\u5b9e\u73b0\u3001\u6307\u4ee4\u89e3\u7801\u3001\u53d1\u5c04\u3001\u6267\u884c\u3001\u8bbf\u5b58\u548c\u56de\u5199\u9636\u6bb5\u7684\u786c\u4ef6\u903b\u8f91\u3002<\/p>\n<\/p>\n Rocket Chip\u7684\u4ee3\u7801\u662f\u7528Chisel\u8bed\u8a00\u7f16\u5199\u7684\u3002Chisel\u662f\u4e00\u79cd\u9ad8\u5c42\u786c\u4ef6\u6784\u5efa\u8bed\u8a00\uff0c\u80fd\u591f\u751f\u6210Verilog\u4ee3\u7801\uff0c\u7531UC Berkeley\u7684\u7535\u5b50\u5de5\u7a0b\u5b66\u8005\u5f00\u53d1\u3002\u638c\u63e1Chisel\u662f\u7406\u89e3Rocket Chip\u6838\u5fc3\u4ee3\u7801\u7684\u5148\u51b3\u6761\u4ef6<\/strong>\uff0c\u9700\u8981\u7406\u89e3\u5176\u57fa\u672c\u6570\u636e\u7c7b\u578b\u3001\u63a7\u5236\u62bd\u8c61\u8bed\u53e5\u548c\u6a21\u5757\u5316\u8bbe\u8ba1\u3002<\/p>\n<\/p>\n Rocket Chip\u5305\u62ec\u51e0\u4e2a\u4e3b\u8981\u90e8\u5206\uff1aRocket\u6838\u5fc3\u3001\u74e6\u7247\u94fe\u63a5(TileLink)\u3001\u5916\u8bbe\u63a5\u53e3(PLIC\u3001CLINT\u7b49)\u3001\u7f13\u5b58\u7cfb\u7edf(Cache)\u3001\u4ee5\u53caBootROM\u3002\u6df1\u5165\u7406\u89e3\u8fd9\u4e9b\u7ec4\u4ef6\u7684\u529f\u80fd\u548c\u534f\u4f5c\u662f\u8bfb\u61c2Rocket Chip\u4ee3\u7801\u7684\u5173\u952e\u3002\u8fd9\u4e9b\u6a21\u5757\u4e4b\u95f4\u901a\u8fc7\u74e6\u7247\u94fe\u63a5\u9ad8\u6548\u5730\u901a\u4fe1<\/strong>\uff0c\u74e6\u7247\u94fe\u63a5\u662fRocket Chip\u8bbe\u8ba1\u7684\u4e00\u79cd\u53ef\u6269\u5c55\u7684\u4e92\u8fde\u6846\u67b6\u3002<\/p>\n<\/p>\n \u5728\u8fd9\u4e00\u9636\u6bb5\uff0c\u5904\u7406\u5668\u4ece\u6307\u4ee4\u5b58\u50a8\u5668\u4e2d\u83b7\u53d6\u673a\u5668\u4ee3\u7801\u6307\u4ee4\u3002Rocket\u6838\u5fc3\u5229\u7528\u7a0b\u5e8f\u8ba1\u6570\u5668(PC)\u7d22\u5f15\u6307\u4ee4\uff0c\u8fd9\u662f\u6838\u5fc3\u4ee3\u7801\u6df1\u5165\u7406\u89e3\u7684\u57fa\u7840<\/strong>\u3002\u6b64\u5916\uff0c\u9884\u6d4b\u5206\u652f\u7684\u903b\u8f91\u4e5f\u96c6\u6210\u5728\u8fd9\u4e2a\u9636\u6bb5\uff0c\u63d0\u9ad8\u6d41\u6c34\u7ebf\u6548\u7387\u3002<\/p>\n<\/p>\n Rocket\u6838\u5fc3\u8bfb\u53d6IF\u9636\u6bb5\u83b7\u5f97\u7684\u6307\u4ee4\u5e76\u89e3\u6790\u51fa\u5404\u79cd\u64cd\u4f5c\u6570\u3001\u64cd\u4f5c\u7801\u7b49\u4fe1\u606f\u3002\u8bd1\u7801\u9636\u6bb5\u4e5f\u8d1f\u8d23\u5904\u7406\u6307\u4ee4\u4e2d\u7684\u7acb\u5373\u6570\u5b57\u6bb5<\/strong>\u3002\u7406\u89e3\u8fd9\u4e00\u9636\u6bb5\u7684\u4ee3\u7801\u5bf9\u4e8e\u641e\u6e05\u695a\u5904\u7406\u5668\u5982\u4f55\u89e3\u8bfb\u548c\u51c6\u5907\u6267\u884c\u5177\u4f53\u6307\u4ee4\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<\/p>\n Rocket\u6838\u5fc3\u62e5\u6709\u6267\u884c\u7b97\u672f\u548c\u903b\u8f91\u64cd\u4f5c\u7684\u80fd\u529b\u3002\u6b64\u9636\u6bb5\u4e3b\u8981\u5904\u7406ALU\u76f8\u5173\u7684\u64cd\u4f5c\uff0c\u5305\u62ec\u52a0\u6cd5\u3001\u51cf\u6cd5\u3001\u6bd4\u8f83\u4ee5\u53ca\u4f4d\u903b\u8f91\u64cd\u4f5c\u7b49<\/strong>\u3002\u5bf9\u8fd9\u90e8\u5206\u4ee3\u7801\u7684\u7406\u89e3\uff0c\u6d89\u53ca\u5230\u5904\u7406\u5668\u5982\u4f55\u5bf9\u6307\u4ee4\u8fdb\u884c\u7b97\u6570\u548c\u903b\u8f91\u8fd0\u7b97\u3002<\/p>\n<\/p>\n \u5728Rocket\u6838\u5fc3\u4e2d\uff0c\u6d6e\u70b9\u6267\u884c\u5355\u5143\u8d1f\u8d23\u5904\u7406\u6d6e\u70b9\u76f8\u5173\u64cd\u4f5c\u3002\u8fd9\u4e9b\u64cd\u4f5c\u9075\u5faaIEEE 754\u6807\u51c6\uff0c\u7406\u89e3\u8fd9\u90e8\u5206\u4ee3\u7801\u5bf9\u4e8e\u5b9e\u73b0\u79d1\u5b66\u8ba1\u7b97\u548c\u56fe\u5f62\u5904\u7406\u5e94\u7528\u81f3\u5173\u91cd\u8981<\/strong>\u3002<\/p>\n<\/p>\n \u8bbf\u95ee\u6570\u636e\u7f13\u5b58\u548c\u5904\u7406\u8d1f\u8f7d\/\u5b58\u50a8\u6307\u4ee4\u662f\u8fd9\u4e2a\u9636\u6bb5\u7684\u6838\u5fc3\u4efb\u52a1\u3002Rocket\u6838\u5fc3\u901a\u8fc7\u74e6\u7247\u94fe\u63a5\u4e0e\u5916\u56f4\u8bbe\u5907\u901a\u8baf\uff0c\u7f13\u5b58\u4e00\u81f4\u6027\u534f\u8bae\u7684\u5b9e\u73b0\u4e5f\u5728\u6b64\u9636\u6bb5<\/strong>\u3002<\/p>\n<\/p>\n \u5728\u56de\u5199\u9636\u6bb5\uff0cRocket\u6838\u5fc3\u628a\u6267\u884c\u7ed3\u679c\u5199\u56de\u5bc4\u5b58\u5668\u6587\u4ef6\u3002\u7406\u89e3\u5bc4\u5b58\u5668\u6587\u4ef6\u7684\u8bfb\u5199\u673a\u5236\u548c\u6d41\u6c34\u7ebf\u5728\u8fd9\u4e00\u9636\u6bb5\u7684\u540c\u6b65\u7b56\u7565\u662f\u7406\u89e3\u56de\u5199\u4ee3\u7801\u7684\u5173\u952e<\/strong>\u3002<\/p>\n<\/p>\n Rocket\u6838\u5fc3\u53ef\u4ee5\u54cd\u5e94\u4e2d\u65ad\u548c\u5904\u7406\u5f02\u5e38\u3002\u4ee3\u7801\u4e2d\u7684\u4e2d\u65ad\u5904\u7406\u903b\u8f91\u548c\u5f02\u5e38\u5904\u7406\u903b\u8f91\u9700\u8981\u4ed4\u7ec6\u7814\u8bfb\uff0c\u56e0\u4e3a\u5b83\u4eec\u5bf9\u7cfb\u7edf\u7684\u7a33\u5b9a\u6027\u548c\u54cd\u5e94\u6027\u8d77\u7740\u51b3\u5b9a\u6027\u4f5c\u7528<\/strong>\u3002<\/p>\n<\/p>\n \u7406\u89e3Rocket\u6838\u5fc3\u7684\u7f13\u5b58\u67b6\u6784\u3001\u66ff\u6362\u7b56\u7565\u3001\u5199\u56de\u548c\u5199\u7a7f\u903b\u8f91\u7b49\uff0c\u662f\u6df1\u5165\u4e86\u89e3\u5904\u7406\u5668\u6027\u80fd\u548c\u6548\u7387\u7684\u5173\u952e\u3002\u7f13\u5b58\u7684\u8bbe\u8ba1\u76f4\u63a5\u5173\u7cfb\u5230\u7cfb\u7edf\u7684\u5904\u7406\u80fd\u529b\u548c\u529f\u8017<\/strong>\u3002<\/p>\n<\/p>\n \u5728Rocket\u6838\u5fc3\u7684\u4ee3\u7801\u4e2d\uff0c\u4f1a\u6d89\u53ca\u5230\u5404\u79cd\u6d41\u6c34\u7ebf\u5192\u9669\u7684\u5904\u7406\u7b56\u7565\u3002\u524d\u63a8(forwarding)\u548c\u963b\u585e(stalling)\u673a\u5236\u7684\u7f16\u7801\u662f\u6838\u5fc3\u4ee3\u7801\u7684\u96be\u70b9<\/strong>\u3002<\/p>\n<\/p>\n Rocket Chip\u7684\u6838\u5fc3\u4e4b\u4e00\u662f\u5176\u9ad8\u5ea6\u53ef\u914d\u7f6e\u6027\u3002\u7406\u89e3\u5904\u7406\u5668\u914d\u7f6e\u53c2\u6570\uff08\u5982\u7f13\u5b58\u5927\u5c0f\u3001\u5904\u7406\u5668\u6838\u5fc3\u6570\u91cf\u7b49\uff09\u5e76\u80fd\u591f\u6839\u636e\u9700\u6c42\u8fdb\u884c\u8c03\u6574\uff0c\u662f\u5b9a\u5236\u5904\u7406\u5668\u6838\u5fc3\u7684\u5173\u952e<\/strong>\u3002<\/p>\n<\/p>\n \u901a\u8bfb\u5e76\u7406\u89e3Rocket Chip\u6838\u5fc3\u4ee3\u7801\u662f\u4e00\u9879\u6311\u6218\uff0c\u9700\u8981\u7efc\u5408\u8fd0\u7528\u786c\u4ef6\u8bbe\u8ba1\u77e5\u8bc6\u3001\u8ba1\u7b97\u673a\u67b6\u6784\u7406\u8bba\u4ee5\u53ca\u7f16\u7a0b\u6280\u80fd\u3002\u4e0a\u8ff0\u6982\u5ff5\u548c\u7ec4\u4ef6\u7684\u6df1\u523b\u7406\u89e3\u5c06\u662f\u900f\u5f7b\u638c\u63e1Rocket Chip\u7684\u57fa\u77f3\u3002<\/p>\n<\/p>\n Rocket-Chip Core\u4ee3\u7801\u7684\u7406\u89e3\u9700\u8981\u638c\u63e1\u54ea\u4e9b\u57fa\u7840\u77e5\u8bc6\uff1f<\/strong><\/p>\n \u8981\u6df1\u5165\u7406\u89e3Rocket-Chip Core\u4ee3\u7801\uff0c\u9996\u5148\u9700\u8981\u638c\u63e1\u8ba1\u7b97\u673a\u4f53\u7cfb\u7ed3\u6784\u7684\u57fa\u672c\u539f\u7406\u548c\u6982\u5ff5\uff0c\u5305\u62ec\u6307\u4ee4\u96c6\u67b6\u6784\u3001\u6d41\u6c34\u7ebf\u3001\u7f13\u5b58\u7b49\u3002\u5176\u6b21\uff0c\u4e5f\u9700\u8981\u638c\u63e1RISC-V\u6307\u4ee4\u96c6\u67b6\u6784\u53ca\u5176\u5bf9\u5e94\u7684\u7f16\u7801\u89c4\u5219\u3002\u6b64\u5916\uff0c\u4e86\u89e3\u786c\u4ef6\u63cf\u8ff0\u8bed\u8a00\uff08\u5982Chisel\uff09\u548c\u786c\u4ef6\u8bbe\u8ba1\u65b9\u6cd5\u4e5f\u662f\u5fc5\u8981\u7684\u3002<\/p>\n \u5982\u4f55\u5728\u9605\u8bfb\u4ee3\u7801\u65f6\u63d0\u9ad8\u7406\u89e3\u7684\u6548\u7387\uff1f<\/strong><\/p>\n \u5728\u9605\u8bfbRocket-Chip Core\u4ee3\u7801\u65f6\uff0c\u53ef\u4ee5\u4f9d\u7167\u4ee5\u4e0b\u51e0\u4e2a\u6b65\u9aa4\u6765\u63d0\u9ad8\u7406\u89e3\u7684\u6548\u7387\u3002\u9996\u5148\uff0c\u901a\u8bfb\u4ee3\u7801\u7684\u6587\u4ef6\u7ed3\u6784\uff0c\u4e86\u89e3\u5404\u4e2a\u6a21\u5757\u4e4b\u95f4\u7684\u5173\u7cfb\u3002\u7136\u540e\uff0c\u91cd\u70b9\u5173\u6ce8\u6838\u5fc3\u90e8\u5206\uff0c\u4f8b\u5982\u6d41\u6c34\u7ebf\u548c\u7f13\u5b58\u5b9e\u73b0\u3002\u63a5\u7740\uff0c\u6ce8\u91cd\u7ec6\u8282\uff0c\u7279\u522b\u662f\u6ce8\u91ca\u548c\u547d\u540d\u89c4\u8303\uff0c\u8fd9\u6709\u52a9\u4e8e\u7406\u89e3\u4ee3\u7801\u7684\u903b\u8f91\u3002\u6b64\u5916\uff0c\u5229\u7528\u8c03\u8bd5\u5de5\u5177\u548c\u4eff\u771f\u73af\u5883\uff0c\u53ef\u4ee5\u8fdb\u4e00\u6b65\u52a0\u6df1\u5bf9\u4ee3\u7801\u7684\u7406\u89e3\u3002<\/p>\n \u5982\u4f55\u5e94\u7528Rocket-Chip Core\u4ee3\u7801\u8fdb\u884c\u81ea\u5b9a\u4e49\u786c\u4ef6\u8bbe\u8ba1\uff1f<\/strong><\/p>\n Rocket-Chip Core\u7684\u4ee3\u7801\u5177\u6709\u9ad8\u5ea6\u53ef\u5b9a\u5236\u6027\uff0c\u53ef\u4ee5\u7528\u4e8e\u81ea\u5b9a\u4e49\u786c\u4ef6\u8bbe\u8ba1\u3002\u9996\u5148\uff0c\u53ef\u4ee5\u6839\u636e\u9700\u6c42\u4fee\u6539\u6d41\u6c34\u7ebf\u7684\u9636\u6bb5\u6570\u6216\u6307\u4ee4\u96c6\u67b6\u6784\u7b49\u53c2\u6570\u3002\u5176\u6b21\uff0c\u53ef\u4ee5\u589e\u52a0\u3001\u4fee\u6539\u6216\u5220\u9664\u4e0e\u7279\u5b9a\u786c\u4ef6\u8bbe\u8ba1\u76f8\u5173\u7684\u6a21\u5757\uff0c\u4f8b\u5982\u6dfb\u52a0\u5916\u8bbe\u63a5\u53e3\u6216\u4f18\u5316\u7f13\u5b58\u7cfb\u7edf\u3002\u6b64\u5916\uff0c\u901a\u8fc7\u719f\u7ec3\u638c\u63e1\u786c\u4ef6\u63cf\u8ff0\u8bed\u8a00Chisel\uff0c\u8fd8\u53ef\u4ee5\u81ea\u884c\u7f16\u5199\u65b0\u7684\u786c\u4ef6\u6a21\u5757\uff0c\u4ee5\u6ee1\u8db3\u7279\u5b9a\u9700\u6c42\u3002\u603b\u4e4b\uff0c\u901a\u8fc7\u5408\u7406\u5730\u4fee\u6539\u548c\u6269\u5c55Rocket-Chip Core\u7684\u4ee3\u7801\uff0c\u53ef\u4ee5\u5b9e\u73b0\u4e2a\u6027\u5316\u7684\u786c\u4ef6\u8bbe\u8ba1\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u4e00\u3001ROCKET-CHIP CORE\u4ee3\u7801\u57fa\u7840\u7406\u89e3 Rocket Chip\u662f\u4e00\u79cdScala\u8bed\u8a00\u7f16\u5199\u7684RISC-V […]","protected":false},"author":3,"featured_media":257782,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/257774"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=257774"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/257774\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/257782"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=257774"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=257774"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=257774"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}\u4e8c\u3001\u7406\u89e3CHISEL\u8bed\u8a00\u548cROCKET CHIP\u67b6\u6784<\/h3>\n<\/p>\n
A. Chisel\u8bed\u8a00\u57fa\u7840<\/h4>\n<\/p>\n
B. Rocket Chip\u603b\u4f53\u67b6\u6784<\/h4>\n<\/p>\n
\u4e09\u3001ROCKET\u6838\u5fc3\u7684\u4e94\u7ea7\u6d41\u6c34\u7ebf<\/h3>\n<\/p>\n
A. \u6307\u4ee4\u83b7\u53d6(Instruction Fetch, IF)<\/h4>\n<\/p>\n
B. \u6307\u4ee4\u8bd1\u7801(Instruction Decode, ID)<\/h4>\n<\/p>\n
\u56db\u3001\u6267\u884c\u9636\u6bb5(EXECUTE)<\/h3>\n<\/p>\n
A. \u6574\u6570\u6267\u884c\u5355\u5143<\/h4>\n<\/p>\n
B. \u6d6e\u70b9\u6267\u884c\u5355\u5143<\/h4>\n<\/p>\n
\u4e94\u3001\u8bbf\u5b58(MEMORY ACCESS)\u548c\u56de\u5199(WRITE BACK)\u9636\u6bb5<\/h3>\n<\/p>\n
A. \u8bbf\u5b58\u9636\u6bb5<\/h4>\n<\/p>\n
B. \u56de\u5199\u9636\u6bb5<\/h4>\n<\/p>\n
\u516d\u3001\u6838\u5fc3\u5916\u56f4\u63a5\u53e3\u4e0e\u7cfb\u7edf\u96c6\u6210<\/h3>\n<\/p>\n
A. \u4e2d\u65ad\u548c\u5f02\u5e38\u5904\u7406<\/h4>\n<\/p>\n
B. Cache\u8bbe\u8ba1\u4e0e\u4f18\u5316<\/h4>\n<\/p>\n
\u4e03\u3001\u6027\u80fd\u4f18\u5316\u4e0e\u53ef\u914d\u7f6e\u6027<\/h3>\n<\/p>\n
A. \u6d41\u6c34\u7ebf\u5192\u9669\u7684\u5904\u7406<\/h4>\n<\/p>\n
B. \u53ef\u914d\u7f6e\u53c2\u6570\u4e0e\u6269\u5c55\u6027<\/h4>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n