{"id":25393,"date":"2023-03-07T01:31:15","date_gmt":"2023-12-05T05:30:40","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8ultra96%e4%b8%8a%e4%bd%bf%e7%94%a8debian-gnu-linux%ef%bc%88v2018-2%e7%89%88%ef%bc%89%ef%bc%8c%e8%bf%90%e8%a1%8c%e4%bd%bf%e7%94%a8vivado-hls%e5%90%88%e6%88%90%e7%9a%84%e7%94%b5%e8%b7%af\/"},"modified":"2025-08-11T13:19:09","modified_gmt":"2025-08-11T05:19:09","slug":"%e5%9c%a8ultra96%e4%b8%8a%e4%bd%bf%e7%94%a8debian-gnu-linux%ef%bc%88v2018-2%e7%89%88%ef%bc%89%ef%bc%8c%e8%bf%90%e8%a1%8c%e4%bd%bf%e7%94%a8vivado-hls%e5%90%88%e6%88%90%e7%9a%84%e7%94%b5%e8%b7%af","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8ultra96%e4%b8%8a%e4%bd%bf%e7%94%a8debian-gnu-linux%ef%bc%88v2018-2%e7%89%88%ef%bc%89%ef%bc%8c%e8%bf%90%e8%a1%8c%e4%bd%bf%e7%94%a8vivado-hls%e5%90%88%e6%88%90%e7%9a%84%e7%94%b5%e8%b7%af\/","title":{"rendered":"\u5728Ultra96\u4e0a\u4f7f\u7528Debian GNU\/Linux\uff08v2018.2\u7248\uff09\uff0c\u8fd0\u884c\u4f7f\u7528Vivado-HLS\u5408\u6210\u7684\u7535\u8def"},"content":{"rendered":"<h2>\u9996\u5148\u6211\u5728\u4e0b\u4e00\u7bc7\u6587\u7ae0\u4e2d\u4e3aUltra96\u914d\u5907\u4e86Debian GNU\/Linux\uff08v2018.2\u7248\uff09\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u300cUltra96 \u5411\u3051 Debian GNU\/Linux (v2018.2\u7248) \u306e\u69cb\u7bc9(\u30a4\u30f3\u30c8\u30ed\u7de8)\u300d@Qiita<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u300cUltra96 \u5411\u3051 Debian GNU\/Linux (v2018.2\u7248) \u306e\u69cb\u7bc9(Boot Loader\u7de8)\u300d@Qiita<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u300cUltra96 \u5411\u3051 Debian GNU\/Linux (v2018.2\u7248) \u306e\u69cb\u7bc9(Linux Kernel\u7de8)\u300d@Qiita<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u300cUltra96 \u5411\u3051 Debian GNU\/Linux (v2018.2\u7248) \u306e\u69cb\u7bc9(Debian9 Root File System\u7de8)\u300d@Qiita<\/ul>\n<p>\u540c\u65f6\uff0c\u5728\u4e0b\u4e00\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u4eec\u4ecb\u7ecd\u4e86\u5728\u4e0a\u4e00\u7bc7\u6587\u7ae0\u4e2d\u6784\u5efa\u7684\u7cfb\u7edf\u7684\u6982\u5ff5\u3002<\/p>\n<ul class=\"post-ul\">\u300cUltra96 \u5411\u3051 Debian GNU\/Linux (v2018.2\u7248) \u30d6\u30fc\u30c8\u30a4\u30e1\u30fc\u30b8\u306e\u63d0\u4f9b\u300d@Qiita<\/ul>\n<p>\u5728\u672c\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u4eec\u5c06\u4f7f\u7528\u4e0a\u4e00\u7bc7\u6587\u7ae0\u4e2d\u6784\u5efa\u7684\u7cfb\u7edf\uff0c\u5c55\u793a\u5728Linux\u4e0a\u8fd0\u884c\u901a\u8fc7Vivado-HLS\u5408\u6210\u7684\u7535\u8def\u7684\u793a\u4f8b\u3002\u672c\u6587\u4e2d\u4ecb\u7ecd\u7684FPGA\u8bbe\u8ba1\u548c\u7a0b\u5e8f\u5df2\u5728\u4ee5\u4e0bURL\u4e0a\u516c\u5f00\u3002<\/p>\n<ul class=\"post-ul\">https:\/\/github.com\/ikwzm\/ZynqMP-FPGA-Linux-Example-2-Ultra96<\/ul>\n<h2>\u6837\u4f8b FPGA \u8bbe\u8ba1\u8fd9\u6b21\u8981\u8fd0\u884c\u7684\u7535\u8def\u5c06\u4f7f\u7528Vivado-HLS\u5c06\u4e0b\u9762\u7528C\u8bed\u8a00\u7f16\u5199\u7684\u7a0b\u5e8f\u7efc\u5408\u3002\u5982\u4f60\u6240\u89c1\uff0c\u5b83\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u7535\u8def\uff0c\u8bfb\u53d632\u4f4d\u6574\u6570\u4ecein\uff0c\u5e76\u5c06\u5176\u53d6\u53cd\u540e\u5199\u5165out\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kt\">int<\/span> <span class=\"nf\">negative<\/span><span class=\"p\">(<\/span><span class=\"k\">volatile<\/span> <span class=\"kt\">int<\/span> <span class=\"o\">*<\/span><span class=\"n\">in<\/span><span class=\"p\">,<\/span> <span class=\"k\">volatile<\/span> <span class=\"kt\">int<\/span> <span class=\"o\">*<\/span><span class=\"n\">out<\/span><span class=\"p\">,<\/span> <span class=\"kt\">int<\/span> <span class=\"n\">size<\/span><span class=\"p\">){<\/span>\r\n<span class=\"cp\">#pragma HLS INTERFACE m_axi depth=10 port=out offset=slave\r\n#pragma HLS INTERFACE m_axi depth=10 port=in  offset=slave\r\n#pragma HLS INTERFACE s_axilite port=size\r\n#pragma HLS INTERFACE s_axilite port=return\r\n<\/span>    <span class=\"kt\">int<\/span> <span class=\"n\">i<\/span><span class=\"p\">;<\/span>\r\n\r\n    <span class=\"k\">for<\/span> <span class=\"p\">(<\/span><span class=\"n\">i<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">0<\/span><span class=\"p\">;<\/span> <span class=\"n\">i<\/span> <span class=\"o\">&lt;<\/span> <span class=\"n\">size<\/span><span class=\"p\">;<\/span> <span class=\"n\">i<\/span><span class=\"o\">++<\/span><span class=\"p\">){<\/span>\r\n        <span class=\"n\">out<\/span><span class=\"p\">[<\/span><span class=\"n\">i<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"o\">-<\/span><span class=\"n\">in<\/span><span class=\"p\">[<\/span><span class=\"n\">i<\/span><span class=\"p\">];<\/span>\r\n    <span class=\"p\">}<\/span>\r\n\r\n    <span class=\"k\">return<\/span><span class=\"p\">(<\/span><span class=\"mi\">0<\/span><span class=\"p\">);<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u901a\u8fc7AXI Master Interface\uff0cin\u548cout\u53ef\u4ee5\u8bbf\u95ee\u5916\u90e8\u5b58\u50a8\u5668\u3002\u6b64\u5916\uff0c\u901a\u8fc7AXI-Lite Slave Interface\uff0c\u53ef\u4ee5\u901a\u8fc7\u5916\u90e8\u5904\u7406\u5668\u5bf9\u8be5\u7535\u8def\u8fdb\u884c\u5bc4\u5b58\u5668\u8bbf\u95ee\u6765\u63a7\u5236\u5b83\u3002<\/p>\n<p>\u8bbe\u8ba1\u7684\u6846\u56fe\u5982\u4e0b\u6240\u793a\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"Fig.1 ZynqMP Sample Design\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657c1f5cd0c9c81e0f5ba7c2\/12-0.png\" alt=\"Fig.1 ZynqMP Sample Design\" \/>\u56fe1\uff1aZynqMP\u6837\u4f8b\u8bbe\u8ba1<\/p>\n<p>\u8fd9\u4e2a\u8bbe\u8ba1\u662f\u57fa\u4e8e\u300cUltra96\u4e13\u4e3aDebian GNU\/Linux (v2018.2\u7248)\u8fdb\u884c\u6784\u5efa (\u6837\u4f8bFPGA\u8bbe\u8ba1\u7f16\u5199)\u300d\u7684\u8bf4\u660e\u4e2d\u63d0\u4f9b\u7684\u6837\u4f8b\uff0c\u5728Vivado-HLS\u4e2d\u7efc\u5408\u4e86\u7535\u8def\u3002<\/p>\n<p>\u7279\u522b\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5c06Vivado-HLS\u5408\u6210\u7684\u7535\u8def\u7684AXI Slave Interface (s_sxi_AXILiteS)\u8fde\u63a5\u5230ZynqMP\u7684M_AXI_HPM0_FPD\u4e0a\uff08\u4e5f\u53ef\u4ee5\u901a\u8fc7AXI Interconnect\u7b49\u8fde\u63a5\uff09\u3002<br \/>\n\u539f\u56e0\u662f\uff0c\u9488\u5bf9Ultra96\u63d0\u4f9b\u7684Debian GNU\/Linux (v2018.2\u7248)\u4e2d\u7684boot.bin\u662f\u901a\u8fc7\u6784\u5efa\u4eceSample FPGA Design\u5230FSBL\u7684\uff0c\u800c\u8be5FSBL\u4f1a\u6fc0\u6d3bM_AXI_HPM0_FPD\u3002\u800cZynqMP\u7684\u5176\u4ed6AXI Master Interface (M_AXI_HPM1_FPD\u548cM_AXI_HPM0_LPD)\u5e76\u4e0d\u4f1a\u88ab\u6fc0\u6d3b\u3002\u6211\u66fe\u5c1d\u8bd5\u5c06Vivado-HLS\u5408\u6210\u7684\u7535\u8def\u7684AXI Slave Interface (s_sxi_AXILiteS)\u8fde\u63a5\u5230ZynqMP\u7684M_AXI_HPM0_LPD\u4e0a\uff0c\u4f46\u6ca1\u6709\u6210\u529f\u8fd0\u884c\u3002<\/p>\n<p>\u5728\u8fd9\u4e2a\u8bbe\u8ba1\u4e2d\uff0c\u5c06Vivado-HLS\u7efc\u5408\u7684\u7535\u8def\u7684AXI\u4e3b\u63a5\u53e3\u8fde\u63a5\u5230ZynqMP\u7684HP0\u7aef\u53e3\u3002\u7531\u4e8eHP0\u4e0d\u6267\u884c\u7f13\u5b58\u4e00\u81f4\u6027\uff0c\u56e0\u6b64\u5728Linux\u4e0a\u8fd0\u884c\u7684\u5e94\u7528\u7a0b\u5e8f\u7aef\u9700\u8981\u8fdb\u884c\u7f13\u5b58\u63a7\u5236\u3002<\/p>\n<p>\u4e3a\u4e86\u5c06Bitstream File\u52a0\u8f7d\u5230Ultra96\u4e0a\uff0c\u9700\u8981\u5c06\u5176\u8f6c\u6362\u4e3aBinary File\u3002\u5c06\u5176\u8f6c\u6362\u4e3aBinary File\u53ef\u4ee5\u901a\u8fc7\u51c6\u5907\u4e00\u4e2a\u7c7b\u4f3c\u4ee5\u4e0b\u7684bif\u6587\u4ef6\uff0c\u5e76\u4f7f\u7528Vivado-SDK v2018.2\u7684bootgen\u547d\u4ee4\u6765\u8fdb\u884c\u8f6c\u6362\u3002<\/p>\n<pre class=\"post-pre\"><code>all:\r\n{\r\n    [destination_device = pl] negative.bit\r\n}\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"go\">vivado% bootgen -image negative.bif -arch zynqmp -w -o negative.bin\r\n<\/span><\/code><\/pre>\n<p>\u8bf7\u53c2\u9605\u4ee5\u4e0b URL \u83b7\u53d6\u6709\u5173\u521b\u5efa\u4e8c\u8fdb\u5236\u6587\u4ef6\u7684\u8be6\u7ec6\u4fe1\u606f\u3002<\/p>\n<ul class=\"post-ul\">http:\/\/www.wiki.xilinx.com\/Solution+ZynqMP+PL+Programming<\/ul>\n<h2>\u51c6\u5907\u597d\u4e86<\/p>\n<h3>\u51c6\u5907Ultra96\u8bf7\u6309\u7167\u4e0b\u9762\u7684\u6587\u7ae0\u53c2\u8003\uff0c\u5c06 Debian GNU\/Linux \u5b89\u88c5\u5230 Ultra96 \u4e0a\u3002<\/p>\n<ul class=\"post-ul\">\u300cUltra96 \u5411\u3051 Debian GNU\/Linux (v2018.2\u7248) \u30d6\u30fc\u30c8\u30a4\u30e1\u30fc\u30b8\u306e\u63d0\u4f9b\u300d@Qiita<\/ul>\n<h3>\u4f7f\u7528FPGA\u8fdb\u884c\u767b\u5f55\u5f53Linux\u542f\u52a8\u540e\uff0c\u4f7f\u7528\u7528\u6237\u540d\u201cfpga\u201d\u767b\u5f55\u3002\u5bc6\u7801\u8bbe\u7f6e\u4e3a\u201cfpga\u201d\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"go\">debian-fpga login: fpga\r\nPassword:\r\n<\/span><span class=\"gp\">fpga@debian-fpga:~$<\/span>\r\n<\/code><\/pre>\n<h3>\u4e0b\u8f7d\u4ed3\u5e93\u4ece\u4ee5\u4e0b\u7684 URL \u4e2d\u4e0b\u8f7d FPGA \u8bbe\u8ba1\u548c\u7a0b\u5e8f\u7684\u6837\u4f8b\u3002<\/p>\n<ul class=\"post-ul\">https:\/\/github.com\/ikwzm\/ZynqMP-FPGA-Linux-Example-2-Ultra96<\/ul>\n<p>\u5728\u8fd9\u91cc\uff0c\u5c06\u5176\u4f5c\u4e3a\u4f8b\u5b50\/\u8d1f\u9762\u4e0b\u8f7d\uff0c\u5e76\u7b7e\u51fa v2018.2.1 \u7248\u672c\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"gp\">fpga@debian-fpga:~$<\/span> <span class=\"nb\">mkdir <\/span>examples\r\n<span class=\"gp\">fpga@debian-fpga:~$<\/span> <span class=\"nb\">cd <\/span>examples\r\n<span class=\"gp\">fpga@debian-fpga:~\/examples$<\/span> git clone https:\/\/github.com\/ikwzm\/ZynqMP-FPGA-Linux-Example-2-Ultra96 negative\r\n<span class=\"gp\">fpga@debian-fpga:~\/examples$<\/span> <span class=\"nb\">cd <\/span>negative\r\n<span class=\"gp\">fpga@debian-fpga:~\/examples\/negative$<\/span> git checkout v2018.2.1\r\n<\/code><\/pre>\n<h2>FPGA \u7684\u914d\u7f6e<\/p>\n<h3>\u5c06\u4e8c\u8fdb\u5236\u6587\u4ef6\u590d\u5236\u5230\/lib\/firmware\u76ee\u5f55\u4e2d\u3002<br \/>\n\u5728FPGA\u533a\u57df\u4e2d\uff0c\u9700\u8981\u5c06\u914d\u7f6e\u6587\u4ef6\u653e\u7f6e\u5728\/lib\/firmware\u76ee\u5f55\u4e2d\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"gp\">fpga@debian-fpga:~\/examples\/negative$<\/span> <span class=\"nb\">sudo cp <\/span>negative.bin \/lib\/firmware\r\n<\/code><\/pre>\n<h3>\u4f7f\u7528\u8bbe\u5907\u6811\u53e0\u52a0\u6280\u672f\u6765\u914d\u7f6eFPGA\u3002\u5728FPGA\u533a\u57df\u4e2d\uff0c\u901a\u8fc7\u4f7f\u7528\u8bbe\u5907\u6811\u6765\u914d\u7f6eFPGA\u3002\u56e0\u6b64\uff0c\u51c6\u5907\u4e0b\u9762\u8fd9\u6837\u7684\u7528\u4e8e\u8bbe\u5907\u6811\u53e0\u52a0\u7684\u6e90\u6587\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code>\/dts-v1\/;\r\n\/ {\r\n    fragment@0 {\r\n        target-path = \"\/fpga-full\";\r\n        __overlay__ {\r\n            firmware-name = \"negative.bin\";\r\n        };\r\n    };\r\n};\r\n<\/code><\/pre>\n<p>\u8bf7\u6ce8\u610f\u76ee\u6807\u8def\u5f84\u662f &#8220;\/fpga-full&#8221;\u3002\u8fd9\u662f\u5728Linux\u542f\u52a8\u65f6\u4ece\u8bbe\u5907\u6811\u4e2d\u52a0\u8f7d\u7684fpga-region\u7684\u7b26\u53f7\u540d\u79f0\u3002<\/p>\n<p>\u6309\u7167\u4ee5\u4e0b\u6b65\u9aa4\uff0c\u4f7f\u7528\u8bbe\u5907\u6811\u8986\u76d6\u8fdb\u884c FPGA \u914d\u7f6e\u3002<\/p>\n<p>\u6267\u884c\u4e0b\u5217\u64cd\u4f5c\u6765\u5bf9 FPGA \u8fdb\u884c\u8bbe\u5907\u6811\u53e0\u52a0\u7684\u914d\u7f6e\u3002<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>Device Tree Overlay \u4f7f\u7528\u6e90\u6587\u4ef6\uff08\u5728\u8fd9\u91cc\u662ffpga-load.dts\uff09\uff0c\u901a\u8fc7\u4f7f\u7528Device Tree Compiler\uff08dtc\uff09\u5c06\u5176\u8f6c\u6362\u4e3adtb\u6587\u4ef6\uff08\u5728\u8fd9\u91cc\u662ffpga-load.dtb\uff09\u3002<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u5728\/config\/device-tree\/overlays\u76ee\u5f55\u4e0b\u521b\u5efa\u4e00\u4e2a\u7528\u4e8eDevice Tree Overlay\u7684\u76ee\u5f55\uff08\u5728\u8fd9\u91cc\u662ffpga\uff09\u3002<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\u5c061.\u4e2d\u521b\u5efa\u7684dtb\u6587\u4ef6\u5199\u51652.\u4e2d\u521b\u5efa\u7684\u76ee\u5f55\u7684dtbo\u6587\u4ef6\u4e2d\u3002<\/ol>\n<p>\u5982\u679c\u51fa\u73b0\u4ee5\u4e0b\u7c7b\u4f3c\u7684\u5185\u6838\u6d88\u606f\uff0c\u90a3\u4e48 FPGA \u914d\u7f6e\u6210\u529f\uff1a<\/p>\n<pre class=\"post-pre\"><code><span class=\"gp\">fpga@debian-fpga:~\/examples\/negative$<\/span> dtc <span class=\"nt\">-I<\/span> dts <span class=\"nt\">-O<\/span> dtb <span class=\"nt\">-o<\/span> fpga-load.dtb fpga-load.dts\r\n<span class=\"gp\">fpga@debian-fpga:~\/examples\/negative$<\/span> <span class=\"nb\">sudo mkdir<\/span> \/config\/device-tree\/overlays\/fpga\r\n<span class=\"gp\">fpga@debian-fpga:~\/examples\/negative$<\/span> <span class=\"nb\">sudo cp <\/span>fpga-load.dtb \/config\/device-tree\/overlays\/fpga\/dtbo\r\n<span class=\"go\">[  127.413510] fpga_manager fpga0: writing negative.bin to Xilinx ZynqMP FPGA Manager\r\n<\/span><\/code><\/pre>\n<h2>FPGA\u65f6\u949f\u8bbe\u7f6e\u3002\u53ea\u914d\u7f6eFPGA\u5e76\u4e0d\u80fd\u4f7fFPGA\u4e0a\u7684\u7535\u8def\u8fd0\u884c\u3002\u56e0\u4e3aFPGA\u7684\u65f6\u949f\u8bbe\u7f6e\u5c1a\u672a\u5b8c\u6210\u3002<\/p>\n<p>\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u5c06\u4f7f\u7528 fclkcfg \u6765\u8bbe\u7f6e\u65f6\u949f\u3002fclkcfg \u662f\u7531\u6211\u521b\u5efa\u7684\u8bbe\u5907\u9a71\u52a8\u7a0b\u5e8f\uff0c\u5e76\u4e14\u5df2\u5728\u4e0b\u9762\u7684 URL \u4e0a\u516c\u5f00\u3002<\/p>\n<ul class=\"post-ul\">https:\/\/github.com\/ikwzm\/fclkcfg<\/ul>\n<p>\u5982\u679c\u4f60\u5df2\u7ecf\u5b89\u88c5\u4e86\u9488\u5bf9Ultra96\u7684Debian GNU\/Linux (v2018.2\u7248)\u7684\u5f15\u5bfc\u955c\u50cf@Qiita\uff0c\u90a3\u4e48fclkcfg\u5df2\u7ecf\u96c6\u6210\u5728\u5176\u4e2d\u4e86\u3002<\/p>\n<p>\u8981\u8bbe\u7f6e\u65f6\u949f\uff0c\u9700\u8981\u51c6\u5907\u4ee5\u4e0b\u7528\u4e8e\u8bbe\u5907\u6811\u53e0\u52a0\u7684\u6e90\u6587\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code>\/dts-v1\/;\/plugin\/;\r\n\/ {\r\n    fragment@0 {\r\n        target-path = \"\/amba\";\r\n        __overlay__ {\r\n            fclk0 {\r\n                compatible    = \"ikwzm,fclkcfg-0.10.a\";\r\n                clocks        = &lt;&amp;clk 0x47&gt;;\r\n                insert-rate   = \"100000000\";\r\n                insert-enable = &lt;1&gt;;\r\n                remove-rate   = \"1000000\";\r\n                remove-enable = &lt;0&gt;;\r\n            };\r\n        };\r\n    };\r\n};\r\n<\/code><\/pre>\n<p>\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u901a\u8fc7 clocks \u6765\u6307\u5b9a ZynqMP \u7684 PL CLOCK[0]\u3002&amp;clkc \u662f\u65f6\u949f\u63a7\u5236\u9a71\u52a8\u7a0b\u5e8f\u7684\u7b26\u53f7\u540d\u79f0\uff0c0x47 \u662f PL CLOCK[0] \u7684\u7d22\u5f15\u53f7\u3002\u6b64\u5916\uff0c\u63d2\u5165\u8be5\u8bbe\u5907\u6811\u65f6\uff0cPL CLOCK[0] \u88ab\u8bbe\u7f6e\u4e3a\u8f93\u51fa\u9891\u7387\u4e3a100MHz\u7684\u65f6\u949f\u3002<\/p>\n<p>\u4f7f\u7528\u8bbe\u5907\u6811\u8986\u76d6\uff08Device Tree Overlay\uff09\u6309\u4ee5\u4e0b\u6b65\u9aa4\u8bbe\u7f6e\u65f6\u949f\u3002<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u4f7f\u7528\u8d44\u6e90\u6587\u4ef6\uff08\u6b64\u5904\u4e3afclk0-zynqmp.dts\uff09\uff0c\u901a\u8fc7Device Tree Compiler\uff08dtc\uff09\u5c06\u5176\u8f6c\u6362\u4e3adtb\u6587\u4ef6\uff08\u6b64\u5904\u4e3afclk0-zynqmp.dtb\uff09\u3002<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u5728\/config\/device-tree\/overlays\u76ee\u5f55\u4e0b\u521b\u5efa\u7528\u4e8eDevice Tree Overlay\u7684\u76ee\u5f55\uff08\u6b64\u5904\u4e3afclk0\uff09\u3002<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\u5c06\u7b2c1\u6b65\u521b\u5efa\u7684dtb\u6587\u4ef6\u5199\u5165\u7b2c2\u6b65\u521b\u5efa\u7684\u76ee\u5f55\u4e0b\u7684dtbo\u6587\u4ef6\u3002<\/ol>\n<p>\u5982\u679c\u6709\u4ee5\u4e0b\u7c7b\u4f3c\u7684\u5185\u6838\u6d88\u606f\uff0c\u5219FPGA \u65f6\u949f\u8bbe\u7f6e\u6210\u529f\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"gp\">fpga@debian-fpga:~\/examples\/negative$<\/span> dtc <span class=\"nt\">-I<\/span> dts <span class=\"nt\">-O<\/span> dtb <span class=\"nt\">-o<\/span> fclk0-zynqmp.dtb fclk0-zynqmp.dts\r\n<span class=\"gp\">fpga@debian-fpga:~\/examples\/negative$<\/span> <span class=\"nb\">sudo mkdir<\/span> \/config\/device-tree\/overlays\/fclk0\r\n<span class=\"gp\">fpga@debian-fpga:~\/examples\/negative$<\/span> <span class=\"nb\">sudo cp <\/span>fclk0-zynqmp.dtb \/config\/device-tree\/overlays\/fclk0\/dtbo\r\n<span class=\"gp\">fpga@debian-fpga:~\/examples\/negative$<\/span> <span class=\"o\">[<\/span>  254.415287] fclkcfg: loading out-of-tree module taints kernel.\r\n<span class=\"go\">[  254.424175] fclkcfg amba:fclk0: driver installed.\r\n[  254.428822] fclkcfg amba:fclk0: device name    : fclk0\r\n[  254.433929] fclkcfg amba:fclk0: clock  name    : pl0_ref\r\n[  254.439222] fclkcfg amba:fclk0: clock  rate    : 99999999\r\n[  254.444617] fclkcfg amba:fclk0: clock  enabled : 1\r\n[  254.449371] fclkcfg amba:fclk0: remove rate    : 1000000\r\n[  254.454665] fclkcfg amba:fclk0: remove enable  : 0\r\n<\/span><\/code><\/pre>\n<h2>\u51c6\u5907 Uio \u548c Udmabuf\u3002<br \/>\n\u8981\u8bbf\u95ee\u7ecf\u8fc7FPGA\u914d\u7f6e\u7684\u7535\u8def\uff0c\u9700\u8981\u4f7f\u7528uio\u3002\u540c\u65f6\uff0c\u6570\u636e\u4ea4\u6362\u8981\u4f7f\u7528udmabuf\u3002\u4e3a\u6b64\uff0c\u9700\u8981\u51c6\u5907\u4ee5\u4e0b\u8fd9\u6837\u7684\u8bbe\u5907\u6811\u53e0\u52a0\u5c42\u7684\u6e90\u6587\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code>\/dts-v1\/;\/plugin\/;\r\n\/ {\r\n    fragment@0 {\r\n        target-path = \"\/amba_pl@0\";\r\n        #address-cells = &lt;2&gt;;\r\n        #size-cells = &lt;2&gt;;\r\n\r\n        __overlay__ {\r\n            #address-cells = &lt;2&gt;;\r\n            #size-cells = &lt;2&gt;;\r\n\r\n            negative-uio {\r\n                compatible = \"generic-uio\";\r\n                reg = &lt;0x0 0xA0010000 0x0 0x10000&gt;;\r\n                interrupt-parent = &lt;&amp;gic&gt;;\r\n                interrupts = &lt;0 89 4&gt;;\r\n            };\r\n\r\n            negative-udmabuf4 {\r\n                compatible  = \"ikwzm,udmabuf-0.10.a\";\r\n                device-name = \"udmabuf4\";\r\n                size = &lt;0x00100000&gt;;\r\n            };\r\n\r\n            negative-udmabuf5 {\r\n                compatible = \"ikwzm,udmabuf-0.10.a\";\r\n                device-name = \"udmabuf5\";\r\n                size = &lt;0x00100000&gt;;\r\n            };\r\n                };\r\n    } ;\r\n} ;\r\n<\/code><\/pre>\n<p>uio \u5bc4\u5b58\u5668\u7684\u5730\u5740\u4e3a 0xA0010000\uff0c\u5927\u5c0f\u4e3a 0x10000\u3002\u5728 Vivado \u8bbe\u8ba1\u65f6\uff0c\u8fd9\u6307\u5b9a\u4e86\u5206\u914d\u7684\u5730\u5740\u3002<\/p>\n<p>\u5272\u308a\u8fbc\u307f\u756a\u53f7\u4e3a&lt;0 89 4&gt;\u3002\u5728\u4f7f\u7528Vivado\u8fdb\u884c\u8bbe\u8ba1\u65f6\uff0c\u5c06\u4e2d\u65ad\u4fe1\u53f7\u8fde\u63a5\u5230ZynqMP\u7684\u4e2d\u65ad\u7aef\u53e3\uff08PL_PS_IRQ0\uff09\uff0c\u8fd9\u662f\u6307\u793a\u8be5\u4e2d\u65ad\u7aef\u53e3\u7684\u3002\u6839\u636e\u300aZynq UltraScale+\u8bbe\u5907\u6280\u672f\u53c2\u8003\u624b\u518cUG1085\uff08v1.7\uff092017\u5e7412\u670822\u65e5\u300b\u7684\u201c\u886813-1 \u7cfb\u7edf\u4e2d\u65ad\u201d\u53ef\u77e5\uff0cPL_PS_IRQ0\u7684\u4e2d\u65ad\u53f7\uff08IRQ Number\uff09\u4e3a121\u3002\u6839\u636e\u8bbe\u5907\u6811\u7684interrupts\u5c5e\u6027\u7684\u7b2c2\u4e2a\u53c2\u6570\uff0c\u5e94\u6307\u5b9a\u4ece\u4e2d\u65ad\u53f7121\u51cf\u53bb32\u7684\u503c\uff08=89\uff09\u3002\uff08\u987a\u4fbf\u63d0\u4e00\u53e5\uff0c\u5728Zynq\u60c5\u51b5\u4e0b\uff0c\u4e5f\u9700\u8981\u5728\u8bbe\u5907\u6811\u7684interrupts\u5c5e\u6027\u7684\u7b2c\u4e8c\u4e2a\u53c2\u6570\u4e2d\u6307\u5b9a\u51cf\u53bb32\u7684\u4e2d\u65ad\u53f7\u503c\u3002\u8fd9\u53ef\u80fd\u662fARM\u4e2d\u65ad\u63a7\u5236\u5668\uff08GIC\uff09\u8bbe\u5907\u9a71\u52a8\u7684\u89c4\u5219\u4e4b\u4e00\u3002\uff09<\/p>\n<p>\u4f7f\u7528\u8bbe\u5907\u6811\u8986\u76d6\uff08Device Tree Overlay\uff09\u4ee5\u53ca\u8bbe\u7f6euio\u548cudmabuf\u7684\u6b65\u9aa4\u5982\u4e0b\uff1a<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u4f7f\u7528Device Tree Overlay\uff0c\u901a\u8fc7dtc\uff08Device Tree Compiler\uff09\u5c06\u6e90\u6587\u4ef6\uff08\u6b64\u5904\u4e3anegative.dts\uff09\u8f6c\u6362\u4e3adtb\uff08\u6b64\u5904\u4e3anegative.dtb\uff09\u3002<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u5728\/config\/device-tree\/overlays\u6587\u4ef6\u5939\u4e0b\u521b\u5efa\u4e00\u4e2a\u7528\u4e8eDevice Tree Overlay\u7684\u6587\u4ef6\u5939\uff08\u6b64\u5904\u4e3anegative\uff09\u3002<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\u5c06\u5728\u6b65\u9aa42\u521b\u5efa\u7684dtb\u5199\u5165\u6b65\u9aa41\u521b\u5efa\u7684dtbo\u6587\u4ef6\u5939\u4e2d\u3002<\/ol>\n<p>\u5982\u679c\u80fd\u591f\u6210\u529f\u5730\u521b\u5efa\/dev\/uio1\u3001\/dev\/udmabuf4\u548c\/dev\/udmabuf5\uff0c\u90a3\u5c31\u4ee3\u8868\u6210\u529f\u4e86\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"gp\">fpga@debian-fpga:~\/examples\/negative$<\/span> dtc <span class=\"nt\">-I<\/span> dts <span class=\"nt\">-O<\/span> dtb <span class=\"nt\">-o<\/span> negative.dtb negative.dts\r\n<span class=\"gp\">fpga@debian-fpga:~\/examples\/negative$<\/span> <span class=\"nb\">sudo mkdir<\/span> \/config\/device-tree\/overlays\/negative\r\n<span class=\"gp\">fpga@debian-fpga:~\/examples\/negative$<\/span> <span class=\"nb\">sudo cp <\/span>negative.dtb \/config\/device-tree\/overlays\/negative\/dtbo\r\n<span class=\"go\">[  372.919428] udmabuf udmabuf4: driver version = 1.3.2\r\n[  372.924332] udmabuf udmabuf4: major number   = 242\r\n[  372.929113] udmabuf udmabuf4: minor number   = 0\r\n[  372.933691] udmabuf udmabuf4: phys address   = 0x0000000070100000\r\n[  372.939768] udmabuf udmabuf4: buffer size    = 1048576\r\n[  372.944885] udmabuf udmabuf4: dma coherent   = 0\r\n[  372.949489] udmabuf amba_pl@0:negative-udmabuf4: driver installed.\r\n[  372.957472] udmabuf udmabuf5: driver version = 1.3.2\r\n[  372.962364] udmabuf udmabuf5: major number   = 242\r\n[  372.967142] udmabuf udmabuf5: minor number   = 1\r\n[  372.971735] udmabuf udmabuf5: phys address   = 0x0000000070200000\r\n[  372.977812] udmabuf udmabuf5: buffer size    = 1048576\r\n[  372.982930] udmabuf udmabuf5: dma coherent   = 0\r\n[  372.987533] udmabuf amba_pl@0:negative-udmabuf5: driver installed.\r\n\r\n<\/span><span class=\"gp\">fpga@debian-fpga:~\/examples\/negative$<\/span> <span class=\"nb\">ls<\/span> <span class=\"nt\">-la<\/span> \/dev\/uio<span class=\"k\">*<\/span>\r\n<span class=\"go\">crw------- 1 root root 244, 0 Nov  4  2016 \/dev\/uio0\r\ncrw------- 1 root root 244, 1 Oct 29 14:52 \/dev\/uio1\r\n<\/span><span class=\"gp\">fpga@debian-fpga:~\/examples\/negative$<\/span> <span class=\"nb\">ls<\/span> <span class=\"nt\">-la<\/span> \/dev\/udmabuf<span class=\"k\">*<\/span>\r\n<span class=\"go\">crw------- 1 root root 242, 0 Oct 29 14:52 \/dev\/udmabuf4\r\ncrw------- 1 root root 242, 1 Oct 29 14:52 \/dev\/udmabuf5\r\n<\/span><\/code><\/pre>\n<h2>\u8ba9\u6211\u4eec\u5b9e\u9645\u8dd1\u4e00\u4e0b\u8bd5\u8bd5\u5427\u3002<\/p>\n<h3>\u8d1f\u9762.py<br \/>\n\u6211\u4e3a\u4e86\u8fd0\u884c\u52a0\u8f7d\u5230FPGA\u4e0a\u7684\u7535\u8def\u51c6\u5907\u4e86\u4ee5\u4e0b\u6837\u4f8b\u7a0b\u5e8f\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kn\">from<\/span> <span class=\"nn\">udmabuf<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">Udmabuf<\/span>\r\n<span class=\"kn\">from<\/span> <span class=\"nn\">uio<\/span>     <span class=\"kn\">import<\/span> <span class=\"n\">Uio<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">numpy<\/span> <span class=\"k\">as<\/span> <span class=\"n\">np<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">time<\/span>\r\n\r\n<span class=\"k\">if<\/span> <span class=\"n\">__name__<\/span> <span class=\"o\">==<\/span> <span class=\"s\">'__main__'<\/span><span class=\"p\">:<\/span>\r\n    <span class=\"n\">uio1<\/span>       <span class=\"o\">=<\/span> <span class=\"n\">Uio<\/span><span class=\"p\">(<\/span><span class=\"s\">'uio1'<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"n\">regs<\/span>       <span class=\"o\">=<\/span> <span class=\"n\">uio1<\/span><span class=\"p\">.<\/span><span class=\"n\">regs<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"n\">udmabuf4<\/span>   <span class=\"o\">=<\/span> <span class=\"n\">Udmabuf<\/span><span class=\"p\">(<\/span><span class=\"s\">'udmabuf4'<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"n\">udmabuf5<\/span>   <span class=\"o\">=<\/span> <span class=\"n\">Udmabuf<\/span><span class=\"p\">(<\/span><span class=\"s\">'udmabuf5'<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"n\">test_dtype<\/span> <span class=\"o\">=<\/span> <span class=\"n\">np<\/span><span class=\"p\">.<\/span><span class=\"n\">uint32<\/span>\r\n    <span class=\"n\">test_size<\/span>  <span class=\"o\">=<\/span> <span class=\"nb\">min<\/span><span class=\"p\">(<\/span><span class=\"nb\">int<\/span><span class=\"p\">(<\/span><span class=\"n\">udmabuf4<\/span><span class=\"p\">.<\/span><span class=\"n\">buf_size<\/span><span class=\"o\">\/<\/span><span class=\"p\">(<\/span><span class=\"n\">np<\/span><span class=\"p\">.<\/span><span class=\"n\">dtype<\/span><span class=\"p\">(<\/span><span class=\"n\">test_dtype<\/span><span class=\"p\">).<\/span><span class=\"n\">itemsize<\/span><span class=\"p\">)),<\/span>\r\n                     <span class=\"nb\">int<\/span><span class=\"p\">(<\/span><span class=\"n\">udmabuf5<\/span><span class=\"p\">.<\/span><span class=\"n\">buf_size<\/span><span class=\"o\">\/<\/span><span class=\"p\">(<\/span><span class=\"n\">np<\/span><span class=\"p\">.<\/span><span class=\"n\">dtype<\/span><span class=\"p\">(<\/span><span class=\"n\">test_dtype<\/span><span class=\"p\">).<\/span><span class=\"n\">itemsize<\/span><span class=\"p\">)))<\/span>\r\n\r\n    <span class=\"n\">udmabuf4_array<\/span>    <span class=\"o\">=<\/span> <span class=\"n\">udmabuf4<\/span><span class=\"p\">.<\/span><span class=\"n\">memmap<\/span><span class=\"p\">(<\/span><span class=\"n\">dtype<\/span><span class=\"o\">=<\/span><span class=\"n\">test_dtype<\/span><span class=\"p\">,<\/span> <span class=\"n\">shape<\/span><span class=\"o\">=<\/span><span class=\"p\">(<\/span><span class=\"n\">test_size<\/span><span class=\"p\">))<\/span>\r\n    <span class=\"n\">udmabuf4_array<\/span><span class=\"p\">[:]<\/span> <span class=\"o\">=<\/span> <span class=\"n\">np<\/span><span class=\"p\">.<\/span><span class=\"n\">random<\/span><span class=\"p\">.<\/span><span class=\"n\">randint<\/span><span class=\"p\">(<\/span><span class=\"o\">-<\/span><span class=\"mi\">21474836478<\/span><span class=\"p\">,<\/span><span class=\"mi\">2147483647<\/span><span class=\"p\">,(<\/span><span class=\"n\">test_size<\/span><span class=\"p\">))<\/span>\r\n    <span class=\"n\">udmabuf4<\/span><span class=\"p\">.<\/span><span class=\"n\">set_sync_to_device<\/span><span class=\"p\">(<\/span><span class=\"mi\">0<\/span><span class=\"p\">,<\/span> <span class=\"n\">test_size<\/span><span class=\"o\">*<\/span><span class=\"p\">(<\/span><span class=\"n\">np<\/span><span class=\"p\">.<\/span><span class=\"n\">dtype<\/span><span class=\"p\">(<\/span><span class=\"n\">test_dtype<\/span><span class=\"p\">).<\/span><span class=\"n\">itemsize<\/span><span class=\"p\">))<\/span>\r\n\r\n    <span class=\"n\">udmabuf5_array<\/span>    <span class=\"o\">=<\/span> <span class=\"n\">udmabuf5<\/span><span class=\"p\">.<\/span><span class=\"n\">memmap<\/span><span class=\"p\">(<\/span><span class=\"n\">dtype<\/span><span class=\"o\">=<\/span><span class=\"n\">test_dtype<\/span><span class=\"p\">,<\/span> <span class=\"n\">shape<\/span><span class=\"o\">=<\/span><span class=\"p\">(<\/span><span class=\"n\">test_size<\/span><span class=\"p\">))<\/span>\r\n    <span class=\"n\">udmabuf5_array<\/span><span class=\"p\">[:]<\/span> <span class=\"o\">=<\/span> <span class=\"n\">np<\/span><span class=\"p\">.<\/span><span class=\"n\">random<\/span><span class=\"p\">.<\/span><span class=\"n\">randint<\/span><span class=\"p\">(<\/span><span class=\"o\">-<\/span><span class=\"mi\">21474836478<\/span><span class=\"p\">,<\/span><span class=\"mi\">2147483647<\/span><span class=\"p\">,(<\/span><span class=\"n\">test_size<\/span><span class=\"p\">))<\/span>\r\n    <span class=\"n\">udmabuf5<\/span><span class=\"p\">.<\/span><span class=\"n\">set_sync_to_cpu<\/span><span class=\"p\">(<\/span>   <span class=\"mi\">0<\/span><span class=\"p\">,<\/span> <span class=\"n\">test_size<\/span><span class=\"o\">*<\/span><span class=\"p\">(<\/span><span class=\"n\">np<\/span><span class=\"p\">.<\/span><span class=\"n\">dtype<\/span><span class=\"p\">(<\/span><span class=\"n\">test_dtype<\/span><span class=\"p\">).<\/span><span class=\"n\">itemsize<\/span><span class=\"p\">))<\/span>\r\n\r\n    <span class=\"n\">total_setup_time<\/span>   <span class=\"o\">=<\/span> <span class=\"mi\">0<\/span>\r\n    <span class=\"n\">total_cleanup_time<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">0<\/span>\r\n    <span class=\"n\">total_xfer_time<\/span>    <span class=\"o\">=<\/span> <span class=\"mi\">0<\/span>\r\n    <span class=\"n\">total_xfer_size<\/span>    <span class=\"o\">=<\/span> <span class=\"mi\">0<\/span>\r\n    <span class=\"n\">count<\/span>              <span class=\"o\">=<\/span> <span class=\"mi\">0<\/span>\r\n\r\n    <span class=\"k\">for<\/span> <span class=\"n\">i<\/span> <span class=\"ow\">in<\/span> <span class=\"nb\">range<\/span> <span class=\"p\">(<\/span><span class=\"mi\">0<\/span><span class=\"p\">,<\/span><span class=\"mi\">9<\/span><span class=\"p\">):<\/span>\r\n\r\n        <span class=\"n\">start_time<\/span>  <span class=\"o\">=<\/span> <span class=\"n\">time<\/span><span class=\"p\">.<\/span><span class=\"n\">time<\/span><span class=\"p\">()<\/span>\r\n        <span class=\"n\">udmabuf4<\/span><span class=\"p\">.<\/span><span class=\"n\">sync_for_device<\/span><span class=\"p\">()<\/span>\r\n        <span class=\"n\">udmabuf5<\/span><span class=\"p\">.<\/span><span class=\"n\">sync_for_device<\/span><span class=\"p\">()<\/span>\r\n        <span class=\"n\">regs<\/span><span class=\"p\">.<\/span><span class=\"n\">write_word<\/span><span class=\"p\">(<\/span><span class=\"mh\">0x18<\/span><span class=\"p\">,<\/span> <span class=\"n\">udmabuf4<\/span><span class=\"p\">.<\/span><span class=\"n\">phys_addr<\/span> <span class=\"o\">&amp;<\/span> <span class=\"mh\">0xFFFFFFFF<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"n\">regs<\/span><span class=\"p\">.<\/span><span class=\"n\">write_word<\/span><span class=\"p\">(<\/span><span class=\"mh\">0x20<\/span><span class=\"p\">,<\/span> <span class=\"n\">udmabuf5<\/span><span class=\"p\">.<\/span><span class=\"n\">phys_addr<\/span> <span class=\"o\">&amp;<\/span> <span class=\"mh\">0xFFFFFFFF<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"n\">regs<\/span><span class=\"p\">.<\/span><span class=\"n\">write_word<\/span><span class=\"p\">(<\/span><span class=\"mh\">0x28<\/span><span class=\"p\">,<\/span> <span class=\"n\">test_size<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"n\">regs<\/span><span class=\"p\">.<\/span><span class=\"n\">write_word<\/span><span class=\"p\">(<\/span><span class=\"mh\">0x04<\/span><span class=\"p\">,<\/span> <span class=\"mh\">0x000000001<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"n\">regs<\/span><span class=\"p\">.<\/span><span class=\"n\">write_word<\/span><span class=\"p\">(<\/span><span class=\"mh\">0x08<\/span><span class=\"p\">,<\/span> <span class=\"mh\">0x000000001<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"n\">regs<\/span><span class=\"p\">.<\/span><span class=\"n\">write_word<\/span><span class=\"p\">(<\/span><span class=\"mh\">0x0C<\/span><span class=\"p\">,<\/span> <span class=\"mh\">0x000000001<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"n\">uio1<\/span><span class=\"p\">.<\/span><span class=\"n\">irq_on<\/span><span class=\"p\">()<\/span>\r\n        <span class=\"n\">phase0_time<\/span> <span class=\"o\">=<\/span> <span class=\"n\">time<\/span><span class=\"p\">.<\/span><span class=\"n\">time<\/span><span class=\"p\">()<\/span>\r\n        <span class=\"n\">regs<\/span><span class=\"p\">.<\/span><span class=\"n\">write_word<\/span><span class=\"p\">(<\/span><span class=\"mh\">0x00<\/span><span class=\"p\">,<\/span> <span class=\"mh\">0x000000001<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"n\">uio1<\/span><span class=\"p\">.<\/span><span class=\"n\">wait_irq<\/span><span class=\"p\">()<\/span>\r\n\r\n        <span class=\"n\">phase1_time<\/span> <span class=\"o\">=<\/span> <span class=\"n\">time<\/span><span class=\"p\">.<\/span><span class=\"n\">time<\/span><span class=\"p\">()<\/span>\r\n        <span class=\"n\">regs<\/span><span class=\"p\">.<\/span><span class=\"n\">write_word<\/span><span class=\"p\">(<\/span><span class=\"mh\">0x0C<\/span><span class=\"p\">,<\/span> <span class=\"mh\">0x000000001<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"n\">udmabuf4<\/span><span class=\"p\">.<\/span><span class=\"n\">sync_for_cpu<\/span><span class=\"p\">()<\/span>\r\n        <span class=\"n\">udmabuf5<\/span><span class=\"p\">.<\/span><span class=\"n\">sync_for_cpu<\/span><span class=\"p\">()<\/span>\r\n\r\n        <span class=\"n\">end_time<\/span>     <span class=\"o\">=<\/span> <span class=\"n\">time<\/span><span class=\"p\">.<\/span><span class=\"n\">time<\/span><span class=\"p\">()<\/span>\r\n        <span class=\"n\">setup_time<\/span>   <span class=\"o\">=<\/span> <span class=\"n\">phase0_time<\/span> <span class=\"o\">-<\/span> <span class=\"n\">start_time<\/span>\r\n        <span class=\"n\">xfer_time<\/span>    <span class=\"o\">=<\/span> <span class=\"n\">phase1_time<\/span> <span class=\"o\">-<\/span> <span class=\"n\">phase0_time<\/span>\r\n        <span class=\"n\">cleanup_time<\/span> <span class=\"o\">=<\/span> <span class=\"n\">end_time<\/span>    <span class=\"o\">-<\/span> <span class=\"n\">phase1_time<\/span>\r\n        <span class=\"n\">total_time<\/span>   <span class=\"o\">=<\/span> <span class=\"n\">end_time<\/span>    <span class=\"o\">-<\/span> <span class=\"n\">start_time<\/span>\r\n\r\n        <span class=\"n\">total_setup_time<\/span>   <span class=\"o\">=<\/span> <span class=\"n\">total_setup_time<\/span>   <span class=\"o\">+<\/span> <span class=\"n\">setup_time<\/span>\r\n        <span class=\"n\">total_cleanup_time<\/span> <span class=\"o\">=<\/span> <span class=\"n\">total_cleanup_time<\/span> <span class=\"o\">+<\/span> <span class=\"n\">cleanup_time<\/span>\r\n        <span class=\"n\">total_xfer_time<\/span>    <span class=\"o\">=<\/span> <span class=\"n\">total_xfer_time<\/span>    <span class=\"o\">+<\/span> <span class=\"n\">xfer_time<\/span>\r\n        <span class=\"n\">total_xfer_size<\/span>    <span class=\"o\">=<\/span> <span class=\"n\">total_xfer_size<\/span>    <span class=\"o\">+<\/span> <span class=\"n\">test_size<\/span>\r\n        <span class=\"n\">count<\/span>              <span class=\"o\">=<\/span> <span class=\"n\">count<\/span>              <span class=\"o\">+<\/span> <span class=\"mi\">1<\/span>\r\n        <span class=\"k\">print<\/span> <span class=\"p\">(<\/span><span class=\"s\">\"total:{0:.3f}[msec] setup:{1:.3f}[msec] xfer:{2:.3f}[msec] cleanup:{3:.3f}[msec]\"<\/span><span class=\"p\">.<\/span><span class=\"nb\">format<\/span><span class=\"p\">(<\/span><span class=\"nb\">round<\/span><span class=\"p\">(<\/span><span class=\"n\">total_time<\/span><span class=\"o\">*<\/span><span class=\"mf\">1000.0<\/span><span class=\"p\">,<\/span><span class=\"mi\">3<\/span><span class=\"p\">),<\/span> <span class=\"nb\">round<\/span><span class=\"p\">(<\/span><span class=\"n\">setup_time<\/span><span class=\"o\">*<\/span><span class=\"mf\">1000.0<\/span><span class=\"p\">,<\/span><span class=\"mi\">3<\/span><span class=\"p\">),<\/span> <span class=\"nb\">round<\/span><span class=\"p\">(<\/span><span class=\"n\">xfer_time<\/span><span class=\"o\">*<\/span><span class=\"mf\">1000.0<\/span><span class=\"p\">,<\/span><span class=\"mi\">3<\/span><span class=\"p\">),<\/span> <span class=\"nb\">round<\/span><span class=\"p\">(<\/span><span class=\"n\">cleanup_time<\/span><span class=\"o\">*<\/span><span class=\"mf\">1000.0<\/span><span class=\"p\">,<\/span><span class=\"mi\">3<\/span><span class=\"p\">)))<\/span>\r\n\r\n\r\n    <span class=\"k\">print<\/span> <span class=\"p\">(<\/span><span class=\"s\">\"average_setup_time  :{0:.3f}\"<\/span><span class=\"p\">.<\/span><span class=\"nb\">format<\/span><span class=\"p\">(<\/span><span class=\"nb\">round<\/span><span class=\"p\">((<\/span><span class=\"n\">total_setup_time<\/span>  <span class=\"o\">\/<\/span><span class=\"n\">count<\/span><span class=\"p\">)<\/span><span class=\"o\">*<\/span><span class=\"mf\">1000.0<\/span><span class=\"p\">,<\/span><span class=\"mi\">3<\/span><span class=\"p\">))<\/span> <span class=\"o\">+<\/span> <span class=\"s\">\"[msec]\"<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"k\">print<\/span> <span class=\"p\">(<\/span><span class=\"s\">\"average_cleanup_time:{0:.3f}\"<\/span><span class=\"p\">.<\/span><span class=\"nb\">format<\/span><span class=\"p\">(<\/span><span class=\"nb\">round<\/span><span class=\"p\">((<\/span><span class=\"n\">total_cleanup_time<\/span><span class=\"o\">\/<\/span><span class=\"n\">count<\/span><span class=\"p\">)<\/span><span class=\"o\">*<\/span><span class=\"mf\">1000.0<\/span><span class=\"p\">,<\/span><span class=\"mi\">3<\/span><span class=\"p\">))<\/span> <span class=\"o\">+<\/span> <span class=\"s\">\"[msec]\"<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"k\">print<\/span> <span class=\"p\">(<\/span><span class=\"s\">\"average_xfer_time   :{0:.3f}\"<\/span><span class=\"p\">.<\/span><span class=\"nb\">format<\/span><span class=\"p\">(<\/span><span class=\"nb\">round<\/span><span class=\"p\">((<\/span><span class=\"n\">total_xfer_time<\/span>   <span class=\"o\">\/<\/span><span class=\"n\">count<\/span><span class=\"p\">)<\/span><span class=\"o\">*<\/span><span class=\"mf\">1000.0<\/span><span class=\"p\">,<\/span><span class=\"mi\">3<\/span><span class=\"p\">))<\/span> <span class=\"o\">+<\/span> <span class=\"s\">\"[msec]\"<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"k\">print<\/span> <span class=\"p\">(<\/span><span class=\"s\">\"thougput            :{0:.3f}\"<\/span><span class=\"p\">.<\/span><span class=\"nb\">format<\/span><span class=\"p\">(<\/span><span class=\"nb\">round<\/span><span class=\"p\">(((<\/span><span class=\"n\">total_xfer_size<\/span><span class=\"o\">\/<\/span><span class=\"n\">total_xfer_time<\/span><span class=\"p\">)<\/span><span class=\"o\">\/<\/span><span class=\"p\">(<\/span><span class=\"mi\">1000<\/span><span class=\"o\">*<\/span><span class=\"mi\">1000<\/span><span class=\"p\">)),<\/span><span class=\"mi\">3<\/span><span class=\"p\">))<\/span> <span class=\"o\">+<\/span> <span class=\"s\">\"[MByte\/sec]\"<\/span><span class=\"p\">)<\/span>\r\n\r\n    <span class=\"n\">udmabuf4_negative_array<\/span> <span class=\"o\">=<\/span> <span class=\"n\">np<\/span><span class=\"p\">.<\/span><span class=\"n\">negative<\/span><span class=\"p\">(<\/span><span class=\"n\">udmabuf4_array<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"n\">np<\/span><span class=\"p\">.<\/span><span class=\"n\">array_equal<\/span><span class=\"p\">(<\/span><span class=\"n\">udmabuf4_negative_array<\/span><span class=\"p\">,<\/span> <span class=\"n\">udmabuf5_array<\/span><span class=\"p\">):<\/span>\r\n         <span class=\"k\">print<\/span><span class=\"p\">(<\/span><span class=\"s\">\"np.negative(udmabuf4) == udmabuf5 : OK\"<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"k\">else<\/span><span class=\"p\">:<\/span>\r\n         <span class=\"k\">print<\/span><span class=\"p\">(<\/span><span class=\"s\">\"np.negative(udmabuf4) == udmabuf5 : NG\"<\/span><span class=\"p\">)<\/span>\r\n         <span class=\"n\">count<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">0<\/span>\r\n         <span class=\"k\">for<\/span> <span class=\"n\">i<\/span> <span class=\"ow\">in<\/span> <span class=\"nb\">range<\/span><span class=\"p\">(<\/span><span class=\"n\">test_size<\/span><span class=\"p\">):<\/span>\r\n             <span class=\"k\">if<\/span> <span class=\"n\">udmabuf4_negative_array<\/span><span class=\"p\">[<\/span><span class=\"n\">i<\/span><span class=\"p\">]<\/span> <span class=\"o\">!=<\/span> <span class=\"n\">udmabuf5_array<\/span><span class=\"p\">[<\/span><span class=\"n\">i<\/span><span class=\"p\">]<\/span> <span class=\"p\">:<\/span>\r\n                 <span class=\"n\">count<\/span> <span class=\"o\">=<\/span> <span class=\"n\">count<\/span> <span class=\"o\">+<\/span> <span class=\"mi\">1<\/span>\r\n                 <span class=\"k\">if<\/span> <span class=\"n\">count<\/span> <span class=\"o\">&lt;<\/span> <span class=\"mi\">16<\/span><span class=\"p\">:<\/span>\r\n                     <span class=\"k\">print<\/span><span class=\"p\">(<\/span><span class=\"s\">\"udmabuf4_negative_array[0x{0:08X}] = 0x{1:08X} udmabuf5_array[0x{0:08X}] = 0x{2:08X}\"<\/span><span class=\"p\">.<\/span><span class=\"nb\">format<\/span><span class=\"p\">(<\/span><span class=\"n\">i<\/span><span class=\"p\">,<\/span> <span class=\"n\">udmabuf4_negative_array<\/span><span class=\"p\">[<\/span><span class=\"n\">i<\/span><span class=\"p\">],<\/span> <span class=\"n\">udmabuf5_array<\/span><span class=\"p\">[<\/span><span class=\"n\">i<\/span><span class=\"p\">]))<\/span>\r\n         <span class=\"k\">print<\/span><span class=\"p\">(<\/span><span class=\"s\">\"NG Count:{0}\"<\/span><span class=\"p\">.<\/span><span class=\"nb\">format<\/span><span class=\"p\">(<\/span><span class=\"n\">count<\/span><span class=\"p\">))<\/span>\r\n\r\n\r\n<\/code><\/pre>\n<p>\u7b80\u5355\u5730\u901a\u8fc7np.random.randint()\u751f\u621032\u4f4d\u6574\u6570\u5e76\u5b58\u50a8\u5728udmabuf4\u4e2d\uff0c\u7136\u540e\u542f\u52a8\u7535\u8def\u5e76\u901a\u8fc7\u4e2d\u65ad\u7b49\u5f85\u64cd\u4f5c\u7ed3\u675f\u3002\u4e00\u65e6\u7ed3\u675f\uff0c\u5e94\u8be5\u5728udmabuf5\u4e2d\u5b58\u50a8\u4e86\u8f6c\u6362\u7ed3\u679c\uff0c\u6211\u4eec\u5c06\u4f7f\u7528negative.py\u8ba1\u7b97\u7684\u7ed3\u679c\u4e0e\u4e4b\u6bd4\u8f83\uff0c\u4ee5\u786e\u5b9aOK \/ NG\u5224\u5b9a\u3002<\/p>\n<p>\u672c\u6b21\u6d4b\u91cf\u9664\u4e86\u7535\u8def\u6267\u884c\u65f6\u95f4\u4e4b\u5916\uff0c\u8fd8\u6d4b\u91cf\u4e86\u7f13\u5b58\u5237\u65b0\u548c\u5931\u6548\u6240\u82b1\u8d39\u7684\u65f6\u95f4\u3002<\/p>\n<h3>\u65e0\u6cd5\u4e3a\u60a8\u63d0\u4f9b\u76f4\u63a5\u7684\u6c49\u8bed\u7ffb\u8bd1\uff0c\u56e0\u4e3a&#8221;uio.py&#8221;\u662f\u4e00\u4e2a\u62d3\u5c55\u540d\u4e3a.py\u7684\u6587\u4ef6\u540d\u79f0\uff0c\u5b83\u65e0\u6cd5\u76f4\u63a5\u8f6c\u5316\u4e3a\u4e2d\u6587\u77ed\u8bed\u3002\u5982\u679c\u60a8\u9700\u8981\u66f4\u591a\u5e2e\u52a9\uff0c\u8bf7\u63d0\u4f9b\u66f4\u591a\u4e0a\u4e0b\u6587\u3002<br \/>\n\u5728negative.py\u4e2d\u5bfc\u5165\u7684uio.py\u662f\u300a\u4f7f\u7528Python\u548cNumpy\u63a7\u5236UIO\u300b\u4e2d\u4ecb\u7ecd\u7684\u90a3\u4e2a\u3002<\/p>\n<h3>udmabuf.py\u7684\u539f\u751f\u4e2d\u6587\u91ca\u4e49\u3002\u8d1f\u6570.py \u4e2d\u5bfc\u5165\u7684udmabuf.py \u662f\u8fd9\u6837\u7684\u4e00\u4e2a\u6587\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kn\">import<\/span> <span class=\"nn\">numpy<\/span> <span class=\"k\">as<\/span> <span class=\"n\">np<\/span>\r\n\r\n<span class=\"k\">class<\/span> <span class=\"nc\">Udmabuf<\/span><span class=\"p\">:<\/span>\r\n    <span class=\"s\">\"\"\"A simple udmabuf class\"\"\"<\/span>\r\n\r\n    <span class=\"k\">def<\/span> <span class=\"nf\">__init__<\/span><span class=\"p\">(<\/span><span class=\"bp\">self<\/span><span class=\"p\">,<\/span> <span class=\"n\">name<\/span><span class=\"p\">):<\/span>\r\n        <span class=\"bp\">self<\/span><span class=\"p\">.<\/span><span class=\"n\">name<\/span>           <span class=\"o\">=<\/span> <span class=\"n\">name<\/span>\r\n        <span class=\"bp\">self<\/span><span class=\"p\">.<\/span><span class=\"n\">device_name<\/span>    <span class=\"o\">=<\/span> <span class=\"s\">'\/dev\/%s'<\/span>               <span class=\"o\">%<\/span> <span class=\"bp\">self<\/span><span class=\"p\">.<\/span><span class=\"n\">name<\/span>\r\n        <span class=\"bp\">self<\/span><span class=\"p\">.<\/span><span class=\"n\">class_path<\/span>     <span class=\"o\">=<\/span> <span class=\"s\">'\/sys\/class\/udmabuf\/%s'<\/span> <span class=\"o\">%<\/span> <span class=\"bp\">self<\/span><span class=\"p\">.<\/span><span class=\"n\">name<\/span>\r\n        <span class=\"bp\">self<\/span><span class=\"p\">.<\/span><span class=\"n\">phys_addr<\/span>      <span class=\"o\">=<\/span> <span class=\"bp\">self<\/span><span class=\"p\">.<\/span><span class=\"n\">get_value<\/span><span class=\"p\">(<\/span><span class=\"s\">'phys_addr'<\/span><span class=\"p\">,<\/span> <span class=\"mi\">16<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"bp\">self<\/span><span class=\"p\">.<\/span><span class=\"n\">buf_size<\/span>       <span class=\"o\">=<\/span> <span class=\"bp\">self<\/span><span class=\"p\">.<\/span><span class=\"n\">get_value<\/span><span class=\"p\">(<\/span><span class=\"s\">'size'<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"bp\">self<\/span><span class=\"p\">.<\/span><span class=\"n\">sync_offset<\/span>    <span class=\"o\">=<\/span> <span class=\"bp\">None<\/span>\r\n        <span class=\"bp\">self<\/span><span class=\"p\">.<\/span><span class=\"n\">sync_size<\/span>      <span class=\"o\">=<\/span> <span class=\"bp\">None<\/span>\r\n        <span class=\"bp\">self<\/span><span class=\"p\">.<\/span><span class=\"n\">sync_direction<\/span> <span class=\"o\">=<\/span> <span class=\"bp\">None<\/span>\r\n\r\n    <span class=\"k\">def<\/span> <span class=\"nf\">get_value<\/span><span class=\"p\">(<\/span><span class=\"bp\">self<\/span><span class=\"p\">,<\/span> <span class=\"n\">name<\/span><span class=\"p\">,<\/span> <span class=\"n\">radix<\/span><span class=\"o\">=<\/span><span class=\"mi\">10<\/span><span class=\"p\">):<\/span>\r\n        <span class=\"n\">value<\/span> <span class=\"o\">=<\/span> <span class=\"bp\">None<\/span>\r\n        <span class=\"k\">for<\/span> <span class=\"n\">line<\/span> <span class=\"ow\">in<\/span> <span class=\"nb\">open<\/span><span class=\"p\">(<\/span><span class=\"bp\">self<\/span><span class=\"p\">.<\/span><span class=\"n\">class_path<\/span> <span class=\"o\">+<\/span> <span class=\"s\">'\/'<\/span> <span class=\"o\">+<\/span> <span class=\"n\">name<\/span><span class=\"p\">):<\/span>\r\n            <span class=\"n\">value<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">int<\/span><span class=\"p\">(<\/span><span class=\"n\">line<\/span><span class=\"p\">,<\/span> <span class=\"n\">radix<\/span><span class=\"p\">)<\/span>\r\n            <span class=\"k\">break<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"n\">value<\/span>\r\n\r\n    <span class=\"k\">def<\/span> <span class=\"nf\">set_value<\/span><span class=\"p\">(<\/span><span class=\"bp\">self<\/span><span class=\"p\">,<\/span> <span class=\"n\">name<\/span><span class=\"p\">,<\/span> <span class=\"n\">value<\/span><span class=\"p\">):<\/span>\r\n        <span class=\"n\">f<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">open<\/span><span class=\"p\">(<\/span><span class=\"bp\">self<\/span><span class=\"p\">.<\/span><span class=\"n\">class_path<\/span> <span class=\"o\">+<\/span> <span class=\"s\">'\/'<\/span> <span class=\"o\">+<\/span> <span class=\"n\">name<\/span><span class=\"p\">,<\/span> <span class=\"s\">'w'<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"n\">f<\/span><span class=\"p\">.<\/span><span class=\"n\">write<\/span><span class=\"p\">(<\/span><span class=\"nb\">str<\/span><span class=\"p\">(<\/span><span class=\"n\">value<\/span><span class=\"p\">))<\/span>\r\n        <span class=\"n\">f<\/span><span class=\"p\">.<\/span><span class=\"n\">close<\/span>\r\n\r\n    <span class=\"k\">def<\/span> <span class=\"nf\">memmap<\/span><span class=\"p\">(<\/span><span class=\"bp\">self<\/span><span class=\"p\">,<\/span> <span class=\"n\">dtype<\/span><span class=\"p\">,<\/span> <span class=\"n\">shape<\/span><span class=\"p\">):<\/span>\r\n        <span class=\"bp\">self<\/span><span class=\"p\">.<\/span><span class=\"n\">item_size<\/span> <span class=\"o\">=<\/span> <span class=\"n\">np<\/span><span class=\"p\">.<\/span><span class=\"n\">dtype<\/span><span class=\"p\">(<\/span><span class=\"n\">dtype<\/span><span class=\"p\">).<\/span><span class=\"n\">itemsize<\/span>\r\n        <span class=\"bp\">self<\/span><span class=\"p\">.<\/span><span class=\"n\">array<\/span>     <span class=\"o\">=<\/span> <span class=\"n\">np<\/span><span class=\"p\">.<\/span><span class=\"n\">memmap<\/span><span class=\"p\">(<\/span><span class=\"bp\">self<\/span><span class=\"p\">.<\/span><span class=\"n\">device_name<\/span><span class=\"p\">,<\/span> <span class=\"n\">dtype<\/span><span class=\"o\">=<\/span><span class=\"n\">dtype<\/span><span class=\"p\">,<\/span> <span class=\"n\">mode<\/span><span class=\"o\">=<\/span><span class=\"s\">'r+'<\/span><span class=\"p\">,<\/span> <span class=\"n\">shape<\/span><span class=\"o\">=<\/span><span class=\"n\">shape<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"bp\">self<\/span><span class=\"p\">.<\/span><span class=\"n\">array<\/span>\r\n\r\n    <span class=\"k\">def<\/span> <span class=\"nf\">set_sync_area<\/span><span class=\"p\">(<\/span><span class=\"bp\">self<\/span><span class=\"p\">,<\/span> <span class=\"n\">direction<\/span><span class=\"o\">=<\/span><span class=\"bp\">None<\/span><span class=\"p\">,<\/span> <span class=\"n\">offset<\/span><span class=\"o\">=<\/span><span class=\"bp\">None<\/span><span class=\"p\">,<\/span> <span class=\"n\">size<\/span><span class=\"o\">=<\/span><span class=\"bp\">None<\/span><span class=\"p\">):<\/span>\r\n        <span class=\"k\">if<\/span> <span class=\"n\">offset<\/span> <span class=\"ow\">is<\/span> <span class=\"bp\">None<\/span><span class=\"p\">:<\/span>\r\n            <span class=\"bp\">self<\/span><span class=\"p\">.<\/span><span class=\"n\">sync_offset<\/span>    <span class=\"o\">=<\/span> <span class=\"bp\">self<\/span><span class=\"p\">.<\/span><span class=\"n\">get_value<\/span><span class=\"p\">(<\/span><span class=\"s\">'sync_offset'<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"k\">else<\/span><span class=\"p\">:<\/span>\r\n            <span class=\"bp\">self<\/span><span class=\"p\">.<\/span><span class=\"n\">set_value<\/span><span class=\"p\">(<\/span><span class=\"s\">'sync_offset'<\/span><span class=\"p\">,<\/span> <span class=\"n\">offset<\/span><span class=\"p\">)<\/span>\r\n            <span class=\"bp\">self<\/span><span class=\"p\">.<\/span><span class=\"n\">sync_offset<\/span>    <span class=\"o\">=<\/span> <span class=\"n\">offset<\/span>\r\n\r\n        <span class=\"k\">if<\/span> <span class=\"n\">size<\/span>   <span class=\"ow\">is<\/span> <span class=\"bp\">None<\/span><span class=\"p\">:<\/span>\r\n            <span class=\"bp\">self<\/span><span class=\"p\">.<\/span><span class=\"n\">sync_size<\/span>      <span class=\"o\">=<\/span> <span class=\"bp\">self<\/span><span class=\"p\">.<\/span><span class=\"n\">get_value<\/span><span class=\"p\">(<\/span><span class=\"s\">'sync_size'<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"k\">else<\/span><span class=\"p\">:<\/span>\r\n            <span class=\"bp\">self<\/span><span class=\"p\">.<\/span><span class=\"n\">set_value<\/span><span class=\"p\">(<\/span><span class=\"s\">'sync_size'<\/span><span class=\"p\">,<\/span> <span class=\"n\">size<\/span><span class=\"p\">)<\/span>\r\n            <span class=\"bp\">self<\/span><span class=\"p\">.<\/span><span class=\"n\">sync_size<\/span>      <span class=\"o\">=<\/span> <span class=\"n\">size<\/span>\r\n\r\n        <span class=\"k\">if<\/span> <span class=\"n\">direction<\/span> <span class=\"ow\">is<\/span> <span class=\"bp\">None<\/span><span class=\"p\">:<\/span>\r\n            <span class=\"bp\">self<\/span><span class=\"p\">.<\/span><span class=\"n\">sync_direction<\/span> <span class=\"o\">=<\/span> <span class=\"bp\">self<\/span><span class=\"p\">.<\/span><span class=\"n\">get_value<\/span><span class=\"p\">(<\/span><span class=\"s\">'sync_direction'<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"k\">else<\/span><span class=\"p\">:<\/span>\r\n            <span class=\"bp\">self<\/span><span class=\"p\">.<\/span><span class=\"n\">set_value<\/span><span class=\"p\">(<\/span><span class=\"s\">'sync_direction'<\/span><span class=\"p\">,<\/span> <span class=\"n\">direction<\/span><span class=\"p\">)<\/span>\r\n            <span class=\"bp\">self<\/span><span class=\"p\">.<\/span><span class=\"n\">sync_direction<\/span> <span class=\"o\">=<\/span> <span class=\"n\">direction<\/span>\r\n\r\n    <span class=\"k\">def<\/span> <span class=\"nf\">set_sync_to_device<\/span><span class=\"p\">(<\/span><span class=\"bp\">self<\/span><span class=\"p\">,<\/span> <span class=\"n\">offset<\/span><span class=\"o\">=<\/span><span class=\"bp\">None<\/span><span class=\"p\">,<\/span> <span class=\"n\">size<\/span><span class=\"o\">=<\/span><span class=\"bp\">None<\/span><span class=\"p\">):<\/span>\r\n        <span class=\"bp\">self<\/span><span class=\"p\">.<\/span><span class=\"n\">set_sync_area<\/span><span class=\"p\">(<\/span><span class=\"mi\">1<\/span><span class=\"p\">,<\/span> <span class=\"n\">offset<\/span><span class=\"p\">,<\/span> <span class=\"n\">size<\/span><span class=\"p\">)<\/span>\r\n\r\n    <span class=\"k\">def<\/span> <span class=\"nf\">set_sync_to_cpu<\/span><span class=\"p\">(<\/span><span class=\"bp\">self<\/span><span class=\"p\">,<\/span> <span class=\"n\">offset<\/span><span class=\"o\">=<\/span><span class=\"bp\">None<\/span><span class=\"p\">,<\/span> <span class=\"n\">size<\/span><span class=\"o\">=<\/span><span class=\"bp\">None<\/span><span class=\"p\">):<\/span>\r\n        <span class=\"bp\">self<\/span><span class=\"p\">.<\/span><span class=\"n\">set_sync_area<\/span><span class=\"p\">(<\/span><span class=\"mi\">2<\/span><span class=\"p\">,<\/span> <span class=\"n\">offset<\/span><span class=\"p\">,<\/span> <span class=\"n\">size<\/span><span class=\"p\">)<\/span>\r\n\r\n    <span class=\"k\">def<\/span> <span class=\"nf\">set_sync_to_bidirectional<\/span><span class=\"p\">(<\/span><span class=\"bp\">self<\/span><span class=\"p\">,<\/span> <span class=\"n\">offset<\/span><span class=\"o\">=<\/span><span class=\"bp\">None<\/span><span class=\"p\">,<\/span> <span class=\"n\">size<\/span><span class=\"o\">=<\/span><span class=\"bp\">None<\/span><span class=\"p\">):<\/span>\r\n        <span class=\"bp\">self<\/span><span class=\"p\">.<\/span><span class=\"n\">set_sync_area<\/span><span class=\"p\">(<\/span><span class=\"mi\">3<\/span><span class=\"p\">,<\/span> <span class=\"n\">offset<\/span><span class=\"p\">,<\/span> <span class=\"n\">size<\/span><span class=\"p\">)<\/span>\r\n\r\n    <span class=\"k\">def<\/span> <span class=\"nf\">sync_for_cpu<\/span><span class=\"p\">(<\/span><span class=\"bp\">self<\/span><span class=\"p\">):<\/span>\r\n        <span class=\"bp\">self<\/span><span class=\"p\">.<\/span><span class=\"n\">set_value<\/span><span class=\"p\">(<\/span><span class=\"s\">'sync_for_cpu'<\/span><span class=\"p\">,<\/span> <span class=\"mi\">1<\/span><span class=\"p\">)<\/span>\r\n\r\n    <span class=\"k\">def<\/span> <span class=\"nf\">sync_for_device<\/span><span class=\"p\">(<\/span><span class=\"bp\">self<\/span><span class=\"p\">):<\/span>\r\n        <span class=\"bp\">self<\/span><span class=\"p\">.<\/span><span class=\"n\">set_value<\/span><span class=\"p\">(<\/span><span class=\"s\">'sync_for_device'<\/span><span class=\"p\">,<\/span> <span class=\"mi\">1<\/span><span class=\"p\">)<\/span>\r\n\r\n<\/code><\/pre>\n<p>\u57fa\u672c\u4e0a\uff0c\u8fd9\u53ea\u662f\u5c06 udmabuf \u7684\u529f\u80fd\u7b80\u5355\u5730\u5206\u914d\u7ed9\u4e86 Python \u7684\u65b9\u6cd5\u3002\u66f4\u591a\u6709\u5173 udmabuf \u7684\u8be6\u7ec6\u4fe1\u606f\uff0c\u8bf7\u53c2\u8003\u4ee5\u4e0b URL\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">https:\/\/github.com\/ikwzm\/udmabuf<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u300cLinux\u3067\u30e6\u30fc\u30b6\u30fc\u7a7a\u9593\u3067\u52d5\u4f5c\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u3068\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u304c\u30e1\u30e2\u30ea\u3092\u5171\u6709\u3059\u308b\u305f\u3081\u306e\u30c7\u30d0\u30a4\u30b9\u30c9\u30e9\u30a4\u30d0\u300d @Qiita<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u300cLinux\u3067\u30e6\u30fc\u30b6\u30fc\u7a7a\u9593\u3067\u52d5\u4f5c\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u3068\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u304c\u30e1\u30e2\u30ea\u3092\u5171\u6709\u3059\u308b\u305f\u3081\u306e\u30c7\u30d0\u30a4\u30b9\u30c9\u30e9\u30a4\u30d0(\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u30d5\u30e9\u30c3\u30b7\u30e5\u3068\u7121\u52b9\u5316\u3092\u8ffd\u52a0)\u300d@Qiita<\/ul>\n<h3>\u6267\u884c\u7ed3\u679c<br \/>\n\u5982\u679c\u8fdb\u5c55\u987a\u5229\uff0c\u53ef\u4ee5\u5f97\u5230\u5982\u4e0b\u7ed3\u679c\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"gp\">fpga@debian-fpga:~\/examples\/negative$<\/span> <span class=\"nb\">sudo <\/span>python3 negative.py\r\n<span class=\"go\">total:1.352[msec] setup:0.753[msec] xfer:0.031[msec] cleanup:0.568[msec]\r\ntotal:0.986[msec] setup:0.554[msec] xfer:0.019[msec] cleanup:0.413[msec]\r\ntotal:0.975[msec] setup:0.545[msec] xfer:0.018[msec] cleanup:0.412[msec]\r\ntotal:0.978[msec] setup:0.546[msec] xfer:0.019[msec] cleanup:0.413[msec]\r\ntotal:0.990[msec] setup:0.558[msec] xfer:0.018[msec] cleanup:0.414[msec]\r\ntotal:0.974[msec] setup:0.543[msec] xfer:0.019[msec] cleanup:0.412[msec]\r\ntotal:0.976[msec] setup:0.545[msec] xfer:0.018[msec] cleanup:0.412[msec]\r\ntotal:1.002[msec] setup:0.545[msec] xfer:0.018[msec] cleanup:0.439[msec]\r\ntotal:8.851[msec] setup:0.547[msec] xfer:7.887[msec] cleanup:0.417[msec]\r\naverage_setup_time  :0.571[msec]\r\naverage_cleanup_time:0.433[msec]\r\naverage_xfer_time   :0.894[msec]\r\nthroughput          :293.186[MByte\/sec]\r\nnp.negative(udmabuf4) == udmabuf5 : OK\r\n<\/span><\/code><\/pre>\n<p>\u6709\u65f6\u5019\uff0c\u6267\u884c\u65f6\u95f4\u4f1a\u5f02\u5e38\u5730\u6162\uff0c\u4f46\u6211\u8ba1\u5212\u5bf9\u6b64\u8fdb\u884c\u66f4\u6df1\u5165\u7684\u8c03\u67e5\u3002<\/p>\n<p>\u53e6\u5916\uff0c\u53ef\u4ee5\u770b\u51fa\u6e05\u7a7a\u7f13\u5b58\uff08setup time\uff09\u548c\u4f7f\u7f13\u5b58\u65e0\u6548\uff08cleanup time\uff09\u6240\u9700\u7684\u65f6\u95f4\u76f8\u5f53\u53ef\u89c2\u3002\u5982\u679c\u5728\u8f6f\u4ef6\u4e2d\u8fdb\u884c\u7f13\u5b58\u4e00\u81f4\u6027\u800c\u975e\u786c\u4ef6\u4e2d\u8fdb\u884c\uff0c\u9700\u8981\u6ce8\u610f\u8fd9\u4e00\u70b9\u3002<\/p>\n<h2>\u89e3\u51b3\u95ee\u9898\u6e38\u620f\u7ed3\u675f\u540e\uff0c\u6309\u7167\u540e\u6765\u6dfb\u52a0\u7684\u987a\u5e8f\uff0c\u901a\u8fc7\u8bbe\u5907\u6811\u53e0\u52a0\u5c42\u5c06\u6dfb\u52a0\u7684\u8bbe\u5907\u6811\u5220\u9664\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"gp\">fpga@debian-fpga:~\/examples\/negative$<\/span> <span class=\"nb\">sudo rmdir<\/span> \/config\/device-tree\/overlays\/negative\/\r\n<span class=\"go\">[  544.713240] udmabuf amba_pl@0:negative-udmabuf5: driver removed.\r\n[  544.719696] udmabuf amba_pl@0:negative-udmabuf4: driver removed.\r\n<\/span><span class=\"gp\">fpga@debian-fpga:~\/examples\/negative$<\/span> <span class=\"nb\">sudo rmdir<\/span> \/config\/device-tree\/overlays\/fclk0\/\r\n<span class=\"go\">[  555.221755] fclkcfg amba:fclk0: change rate    : 2777778\r\n[  555.227057] fclkcfg amba:fclk0: change enable  : 0\r\n[  555.231954] fclkcfg amba:fclk0: driver unloaded\r\n<\/span><span class=\"gp\">fpga@debian-fpga:~\/examples\/negative$<\/span> <span class=\"nb\">sudo rmdir<\/span> \/config\/device-tree\/overlays\/fpga\/\r\n<\/code><\/pre>\n<h2>\u8bf7\u770b<br \/>\n\u8003\u8651<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u300cUltra96 \u5411\u3051 Debian GNU\/Linux (v2018.2\u7248) \u306e\u69cb\u7bc9(\u30a4\u30f3\u30c8\u30ed\u7de8)\u300d@Qiita<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u300cUltra96 \u5411\u3051 Debian GNU\/Linux (v2018.2\u7248) \u306e\u69cb\u7bc9(Boot Loader\u7de8)\u300d@Qiita<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u300cUltra96 \u5411\u3051 Debian GNU\/Linux (v2018.2\u7248) \u306e\u69cb\u7bc9(Sample FPGA Design\u7de8)\u300d@Qiita<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u300cUltra96 \u5411\u3051 Debian GNU\/Linux (v2018.2\u7248) \u306e\u69cb\u7bc9(Linux Kernel\u7de8)\u300d@Qiita<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u300cUltra96 \u5411\u3051 Debian GNU\/Linux (v2018.2\u7248) \u306e\u69cb\u7bc9(Debian9 Root File System\u7de8)\u300d@Qiita<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u300cUltra96 \u5411\u3051 Debian GNU\/Linux (v2018.2\u7248) \u30d6\u30fc\u30c8\u30a4\u30e1\u30fc\u30b8\u306e\u63d0\u4f9b\u300d@Qiita<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u300cPython \u3068 Numpy \u3067 UIO \u3092\u5236\u5fa1\u300d@Qiita<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u300cZynq UltraScale+ Device Technical Reference Manual UG1085 (v1.7) December 22, 2017\u300d<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">https:\/\/github.com\/ikwzm\/ZynqMP-FPGA-Linux-Example-2-UltraZed<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">http:\/\/www.wiki.xilinx.com\/Solution+ZynqMP+PL+Programming<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">https:\/\/github.com\/ikwzm\/fclkcfg<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">https:\/\/github.com\/ikwzm\/udmabuf<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u9996\u5148\u6211\u5728\u4e0b\u4e00\u7bc7\u6587\u7ae0\u4e2d\u4e3aUltra96\u914d\u5907\u4e86Debian GNU\/Linux\uff08v2018.2\u7248\uff09\u3002 \u300cUltra [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-25393","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u5728Ultra96\u4e0a\u4f7f\u7528Debian GNU\/Linux\uff08v2018.2\u7248\uff09\uff0c\u8fd0\u884c\u4f7f\u7528Vivado-HLS\u5408\u6210\u7684\u7535\u8def - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" 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