{"id":17980,"date":"2026-06-10T09:00:28","date_gmt":"2026-06-10T01:00:28","guid":{"rendered":"https:\/\/ab123.xyz\/?p=17980"},"modified":"2026-06-10T09:00:28","modified_gmt":"2026-06-10T01:00:28","slug":"%e4%bd%bf%e7%94%a8-jtag-%e4%b8%8e-gdb-%e5%af%b9-risc-v-%e5%a4%9a%e6%a0%b8%e8%bf%9b%e8%a1%8c%e8%a3%b8%e6%9c%ba%e8%b0%83%e8%af%95%ef%bc%9a%e6%9d%83%e5%a8%81%e5%b7%a5%e5%85%b7%e4%b8%8e%e5%ae%9e%e6%88%98","status":"publish","type":"post","link":"https:\/\/ab123.xyz\/?p=17980","title":{"rendered":"\u4f7f\u7528 JTAG \u4e0e GDB \u5bf9 RISC-V \u591a\u6838\u8fdb\u884c\u88f8\u673a\u8c03\u8bd5\uff1a\u6743\u5a01\u5de5\u5177\u4e0e\u5b9e\u6218\u6307\u5357"},"content":{"rendered":"<p>\u5728\u5d4c\u5165\u5f0f\u5f00\u53d1\u4e2d\uff0cRISC-V \u591a\u6838\u67b6\u6784\u7684\u88f8\u673a\u8c03\u8bd5\u4e00\u76f4\u662f\u4e00\u9879\u9ad8\u96be\u5ea6\u6311\u6218\u3002\u901a\u8fc7 <strong>JTAG<\/strong> \u63a5\u53e3\u914d\u5408 <strong>GDB<\/strong>\uff08GNU Debugger\uff09\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u5b9e\u73b0\u5bf9\u591a\u6838\u5904\u7406\u5668\u5e95\u5c42\u72b6\u6001\u7684\u7cbe\u786e\u63a7\u5236\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u6b3e\u88ab\u793e\u533a\u5e7f\u6cdb\u8ba4\u53ef\u7684\u6743\u5a01\u5de5\u5177\u94fe\u2014\u2014\u7531 <strong>OpenOCD<\/strong>\uff08Open On-Chip Debugger\uff09\u4e0e RISC-V \u8c03\u8bd5\u89c4\u8303\u7ec4\u6210\u7684\u89e3\u51b3\u65b9\u6848\uff0c\u5e76\u8be6\u7ec6\u8bf4\u660e\u5176\u529f\u80fd\u3001\u4f18\u52bf\u53ca\u4f7f\u7528\u65b9\u6cd5\u3002\u5de5\u5177\u5b98\u65b9\u7f51\u7ad9\uff1a<a href=\"http:\/\/openocd.org\/\" target=\"_blank\">OpenOCD \u5b98\u65b9\u7f51\u7ad9<\/a>\u3002<\/p>\n<h2>\u5de5\u5177\u6982\u8ff0\uff1aOpenOCD + GDB \u8c03\u8bd5\u6808<\/h2>\n<p>OpenOCD \u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u7247\u4e0a\u8c03\u8bd5\u5668\uff0c\u652f\u6301\u591a\u79cd JTAG \u9002\u914d\u5668\uff08\u5982 FTDI\u3001CMSIS-DAP\uff09\u548c\u5904\u7406\u5668\u67b6\u6784\u3002\u9488\u5bf9 RISC-V\uff0c\u5b83\u5b9e\u73b0\u4e86 <strong>RISC-V Debug Specification 0.13\/1.0<\/strong>\uff0c\u80fd\u591f\u901a\u8fc7 JTAG \u6216 SWD \u63a5\u53e3\u8fde\u63a5\u76ee\u6807\u677f\u3002GDB \u4f5c\u4e3a\u524d\u7aef\u8c03\u8bd5\u5668\uff0c\u63d0\u4f9b\u65ad\u70b9\u3001\u5355\u6b65\u3001\u5185\u5b58\u67e5\u770b\u3001\u5bc4\u5b58\u5668\u64cd\u4f5c\u7b49\u6807\u51c6\u529f\u80fd\u3002\u4e24\u8005\u7ed3\u5408\uff0c\u5f62\u6210\u4ece\u786c\u4ef6\u5230\u8f6f\u4ef6\u7684\u5b8c\u6574\u8c03\u8bd5\u94fe\u8def\u3002<\/p>\n<h3>\u591a\u6838\u540c\u6b65\u8c03\u8bd5\u652f\u6301<\/h3>\n<p>OpenOCD \u901a\u8fc7 <code>target smp<\/code> \u547d\u4ee4\u5c06\u591a\u4e2a RISC-V \u6838\u7ec4\u6210\u5bf9\u79f0\u591a\u5904\u7406\uff08SMP\uff09\u7ec4\uff0c\u5141\u8bb8 GDB \u540c\u65f6\u63a7\u5236\u6240\u6709\u6838\u5fc3\u3002\u4f8b\u5982\uff0c\u4f7f\u7528 <code>halt<\/code> \u547d\u4ee4\u53ef\u6682\u505c\u6240\u6709\u6838\uff0c<code>resume<\/code> \u540c\u6b65\u6062\u590d\u6267\u884c\u3002\u8fd9\u79cd\u673a\u5236\u5bf9\u88f8\u673a\u4e0b\u7684\u6838\u95f4\u901a\u4fe1\u3001\u5171\u4eab\u8d44\u6e90\u7ade\u4e89\u5206\u6790\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<h3>\u88f8\u673a\u73af\u5883\u9002\u914d<\/h3>\n<p>\u88f8\u673a\u8c03\u8bd5\u65e0\u9700\u64cd\u4f5c\u7cfb\u7edf\uff0cOpenOCD \u76f4\u63a5\u8bbf\u95ee\u7269\u7406\u5185\u5b58\u548c\u5bc4\u5b58\u5668\u3002\u901a\u8fc7\u7f16\u5199 <strong>.gdbinit<\/strong> \u811a\u672c\u6216 TCL \u914d\u7f6e\u6587\u4ef6\uff0c\u53ef\u4ee5\u81ea\u52a8\u521d\u59cb\u5316\u786c\u4ef6\u3001\u52a0\u8f7d ELF \u6620\u50cf\u5230\u6307\u5b9a\u6838\u5fc3\u3002\u914d\u5408 <code>monitor<\/code> \u547d\u4ee4\uff0c\u8fd8\u80fd\u6267\u884c\u81ea\u5b9a\u4e49 JTAG \u626b\u63cf\u94fe\u64cd\u4f5c\u3002<\/p>\n<h2>\u6838\u5fc3\u529f\u80fd\u4e0e\u4f18\u52bf<\/h2>\n<ul>\n<li><strong>\u786c\u4ef6\u65ad\u70b9\u4e0e\u89c2\u5bdf\u70b9<\/strong>\uff1a\u5229\u7528 RISC-V \u7684\u89e6\u53d1\u6a21\u5757\uff0c\u652f\u6301\u591a\u8fbe 4 \u4e2a\u786c\u4ef6\u65ad\u70b9\uff0c\u4e0d\u5f71\u54cd\u5b9e\u65f6\u6027\u3002<\/li>\n<li><strong>\u975e\u4fb5\u5165\u5f0f\u8bbf\u95ee<\/strong>\uff1aJTAG \u626b\u63cf\u94fe\u5728\u8c03\u8bd5\u65f6\u4e0d\u5360\u7528 CPU \u5468\u671f\uff0c\u9002\u5408\u65f6\u5e8f\u654f\u611f\u5e94\u7528\u3002<\/li>\n<li><strong>\u8fdc\u7a0b\u8c03\u8bd5\u80fd\u529b<\/strong>\uff1aGDB \u53ef\u901a\u8fc7 TCP\/IP \u8fdc\u7a0b\u8fde\u63a5 OpenOCD \u7684 3333 \u7aef\u53e3\uff0c\u5b9e\u73b0\u5c40\u57df\u7f51\u8c03\u8bd5\u3002<\/li>\n<li><strong>\u811a\u672c\u5316\u81ea\u52a8\u5316<\/strong>\uff1a\u652f\u6301 TCL \u811a\u672c\u63a7\u5236\u6574\u4e2a\u8c03\u8bd5\u6d41\u7a0b\uff0c\u4fbf\u4e8e\u56de\u5f52\u6d4b\u8bd5\u3002<\/li>\n<\/ul>\n<h2>\u5e94\u7528\u573a\u666f\u4e0e\u4f7f\u7528\u6307\u5f15<\/h2>\n<p>\u8be5\u5de5\u5177\u5e7f\u6cdb\u5e94\u7528\u4e8e <strong>RISC-V \u82af\u7247\u9a8c\u8bc1<\/strong>\u3001<strong>\u591a\u6838\u56fa\u4ef6\u5f00\u53d1<\/strong> \u53ca <strong>\u5d4c\u5165\u5f0f\u5b89\u5168\u5206\u6790<\/strong>\u3002\u5178\u578b\u542f\u52a8\u6b65\u9aa4\uff1a<\/p>\n<ol>\n<li>\u8fde\u63a5 JTAG \u9002\u914d\u5668\uff08\u5982 J-Link\uff09\u5230\u76ee\u6807\u677f\uff0c\u5e76\u5b89\u88c5\u9a71\u52a8\u3002<\/li>\n<li>\u542f\u52a8 OpenOCD\uff1a<code>openocd -f board\/your_board.cfg<\/code><\/li>\n<li>\u5728\u53e6\u4e00\u4e2a\u7ec8\u7aef\u542f\u52a8 GDB\uff1a<code>riscv64-unknown-elf-gdb your_elf.elf<\/code><\/li>\n<li>\u5728 GDB \u4e2d\u6267\u884c <code>target remote localhost:3333<\/code>\uff0c\u7136\u540e <code>load<\/code> \u5e76 <code>continue<\/code>\u3002<\/li>\n<\/ol>\n<p>\u5bf9\u4e8e\u591a\u6838\u573a\u666f\uff0c\u9700\u5728 OpenOCD \u914d\u7f6e\u6587\u4ef6\u4e2d\u4f7f\u7528 <code>target smp<\/code> \u58f0\u660e\u6838\u5217\u8868\uff0c\u5e76\u5728 GDB \u4e2d\u901a\u8fc7 <code>info threads<\/code> \u67e5\u770b\u6838\u5fc3\u72b6\u6001\uff0c<code>thread N<\/code> \u5207\u6362\u7126\u70b9\u3002<\/p>\n<h3>\u5e38\u89c1\u95ee\u9898\u89e3\u51b3<\/h3>\n<p>\u82e5\u9047\u5230\u8fde\u63a5\u5931\u8d25\uff0c\u68c0\u67e5 JTAG \u65f6\u949f\u9891\u7387\uff08\u63a8\u8350 1-10 MHz\uff09\u6216\u7535\u6e90\u7535\u538b\u5339\u914d\u3002\u88f8\u673a\u4e2d\u82e5\u51fa\u73b0 Hart \u672a\u54cd\u5e94\uff0c\u9700\u786e\u8ba4\u590d\u4f4d\u4fe1\u53f7\u662f\u5426\u72ec\u7acb\u3002\u5b98\u65b9 Wiki \u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684 board \u793a\u4f8b\u3002<\/p>\n<p>\u603b\u4e4b\uff0cOpenOCD + GDB \u662f RISC-V \u591a\u6838\u88f8\u673a\u8c03\u8bd5\u7684\u6700\u6210\u719f\u5f00\u6e90\u65b9\u6848\uff0c\u9002\u5408\u4ece\u539f\u578b\u9a8c\u8bc1\u5230\u91cf\u4ea7\u6d4b\u8bd5\u7684\u5168\u9636\u6bb5\u3002\u7acb\u5373\u8bbf\u95ee <a href=\"http:\/\/openocd.org\/\" target=\"_blank\">\u5b98\u65b9\u7f51\u7ad9<\/a> \u83b7\u53d6\u6700\u65b0\u7248\u672c\u4e0e\u6587\u6863\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u5d4c\u5165\u5f0f\u5f00\u53d1\u4e2d\uff0cRISC-V \u591a\u6838\u67b6\u6784\u7684\u88f8\u673a\u8c03\u8bd5\u4e00\u76f4\u662f\u4e00\u9879\u9ad8\u96be\u5ea6\u6311\u6218\u3002\u901a\u8fc7 JTAG \u63a5\u53e3\u914d\u5408 GDB\uff08GNU [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[21342,21341,21060,21343,21006],"class_list":["post-17980","post","type-post","status-publish","format-standard","hentry","category-4","tag-gdb","tag-jtag","tag-openocd","tag-risc-v","tag-21006"],"_links":{"self":[{"href":"https:\/\/ab123.xyz\/index.php?rest_route=\/wp\/v2\/posts\/17980","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ab123.xyz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ab123.xyz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ab123.xyz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ab123.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=17980"}],"version-history":[{"count":1,"href":"https:\/\/ab123.xyz\/index.php?rest_route=\/wp\/v2\/posts\/17980\/revisions"}],"predecessor-version":[{"id":17981,"href":"https:\/\/ab123.xyz\/index.php?rest_route=\/wp\/v2\/posts\/17980\/revisions\/17981"}],"wp:attachment":[{"href":"https:\/\/ab123.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=17980"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ab123.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=17980"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ab123.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=17980"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}