{
    "version": "https://jsonfeed.org/version/1.1",
    "user_comment": "This feed allows you to read the posts from this site in any feed reader that supports the JSON Feed format. To add this feed to your reader, copy the following URL -- https://matoken.org/blog/tag/gcc/feed/json/ -- and add it your reader.",
    "home_page_url": "https://matoken.org/blog/tag/gcc/",
    "feed_url": "https://matoken.org/blog/tag/gcc/feed/json/",
    "language": "ja",
    "title": "gcc – matoken's blog",
    "description": "Is there no plan B?",
    "icon": "https://matoken.org/blog/wp-content/uploads/2025/03/cropped-1865f695c4eecc844385acef2f078255036adccd42c254580ea3844543ab56d9.jpeg",
    "items": [
        {
            "id": "http://matoken.org/blog/?p=2840",
            "url": "https://matoken.org/blog/2020/07/24/hello-world-in-sipeed-lichee-nano/",
            "title": "Sipeed Lichee Nano\u3067hello world",
            "content_html": "<div class=\"paragraph\">\n<p>2020-07-23\u4f4e\u30ec\u30d9\u30eb\u52c9\u5f37\u4f1a\u306b\u53c2\u52a0\u3057\u307e\u3057\u305f\uff0eZoom.us\u3067\u306e\u958b\u50ac\u3067\u3057\u305f\uff0e</p>\n</div>\n<div class=\"ulist\">\n<ul>\n<li><a href=\"https://lowleveltokyo.connpass.com/event/180412/\">\u4f4e\u30ec\u30d9\u30eb\u52c9\u5f37\u4f1a2020\u5e7407\u6708 &#8211; connpass</a></li>\n</ul>\n</div>\n<div class=\"paragraph\">\n<p>\u5185\u5bb9\u306fLinux\u540d\u523a\u7684\u306a\u3082\u306e\u3092\u958b\u767a\u3057\u3088\u3046\u3068\u3044\u3046\u5185\u5bb9\u3067\uff0c\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u3068\u3057\u3066SD\u30ab\u30fc\u30c9\u30b5\u30a4\u30ba\u306e\u5c0f\u3055\u306aLinux\u306e\u52d5\u4f5c\u3059\u308barm\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306eSipeed Lichee Nano\u3092\u4f7f\u3044\u307e\u3057\u305f\uff0e</p>\n</div>\n<div class=\"ulist\">\n<ul>\n<li><a href=\"http://nano.lichee.pro/\">\u8354\u679d\u6d3eNano \u5168\u6d41\u7a0b\u6307\u5357 \u2014 \u8354\u679d\u6d3eNano \u5168\u6d41\u7a0b\u6307\u5357 documentation</a></li>\n</ul>\n</div>\n<div class=\"paragraph\">\n<p>\u6b32\u3057\u3044\u5834\u5408\u306f1000\u5186\u3061\u3087\u3044\u304f\u3089\u3044\u304b\u3089\u3067\u5165\u624b\u3067\u304d\u305d\u3046\u3067\u3059\uff0e</p>\n</div>\n<div class=\"ulist\">\n<ul>\n<li><a href=\"https://www.switch-science.com/catalog/5705/\">Sipeed Lichee Nano &#8211; \u30b9\u30a4\u30c3\u30c1\u30b5\u30a4\u30a8\u30f3\u30b9</a> 1045\u5186 + \u9001\u6599200\u5186 =1245\u5186</li>\n<li><a href=\"https://www.shigezone.com/?product=lichee-nano\">Lichee Nano \u2013 Shigezone Online</a> 990\u5186 + \u9001\u6599400\u5186 = 1390\u5186</li>\n<li><a href=\"https://www.sengoku.co.jp/mod/sgk_cart/detail.php?code=EEHD-5JGU\">\u30105705\u3011SIPEED-LICHEE-NANO Sipeed Lichee Nano</a> 1050\u5186 + \u9001\u6599350\u5186 = 1400\u5186</li>\n<li><a href=\"http://akizukidenshi.com/catalog/g/gM-14787/\">\uff2c\uff49\uff43\uff48\uff45\uff45\uff30\uff49\u3000\uff2e\uff41\uff4e\uff4f\u3000\uff11\uff16\uff2d\u3000\uff46\uff4c\uff41\uff53\uff48: \u30de\u30a4\u30b3\u30f3\u95a2\u9023 \u79cb\u6708\u96fb\u5b50\u901a\u5546-\u96fb\u5b50\u90e8\u54c1\u30fb\u30cd\u30c3\u30c8\u901a\u8ca9</a>\u30001000\u5186 + \u9001\u6599500\u5186 = 1500\u5186</li>\n<li><a href=\"https://jp.seeedstudio.com/Sipeed-Lichee-Nano-Linux-Development-Board-p-2892.html\">Sipeed Lichee Nano Linux \u958b\u767a\u30dc\u30fc\u30c9 16M Flash &#8211; Seeed Studio</a> 707\u5186+ shipping</li>\n</ul>\n</div>\n<div class=\"paragraph\">\n<p>Lichee Nano\u3092\u6301\u3063\u3066\u3044\u306a\u3044\u4eba\u306f\u30ea\u30e2\u30fc\u30c8\u3067\u89e6\u308c\u308b\u3088\u3046\u306b\u3057\u3066\u3042\u3063\u305f\u306e\u3067\u6301\u3063\u3066\u3044\u306a\u3044\u79c1\u3082\u697d\u3057\u3081\u307e\u3057\u305f\uff0e</p>\n</div>\n<div class=\"paragraph\">\n<p>\u3053\u306e\u30ea\u30e2\u30fc\u30c8\u958b\u767a\u306e\u4ed5\u7d44\u307f\u306fLichee Nano\u3068Raspberry Pi\u3092USB\u7d4c\u7531\u306eUART\u3067\u63a5\u7d9a\u3057\uff0cRaspberry Pi\u3067GNU screen\u3092\u8d77\u52d5\uff0cssh\u7d4c\u7531\u3067GNU screen\u306b\u7e4b\u3044\u3067\u64cd\u4f5c\u3068\u3044\u3046\u611f\u3058\u3067\u3059\uff0e<br />\nGNU screen\u3092Gotty\u7b49\u306b\u3059\u308b\u3068\u30a6\u30a7\u30d6\u30d6\u30e9\u30a6\u30b6\u3067\u53c2\u52a0\u3067\u304d\u3066\u3061\u3087\u3063\u3068\u4fbf\u5229\u304b\u3082\u3068\u601d\u3063\u305f\u308a\u3082\uff0e(GoTTY\u306f\u958b\u767a\u6b62\u307e\u3063\u3066\u308b\u3088\u3046\u306b\u898b\u3048\u308b\u304b\u3089<a href=\"https://github.com/yudai/gotty#alternatives\">\u5225\u306e\u3082\u306e</a>\u306e\u307b\u3046\u304c\u3044\u3044\u304b\u3082\u3057\u308c\u306a\u3044)</p>\n</div>\n<div class=\"ulist\">\n<ul>\n<li><a href=\"https://matoken.org/blog/2015/08/24/terminal-web-share-gotty/\">\u7aef\u672b\u3092\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u306b Web \u3067\u5171\u6709\u3067\u304d\u308b GoTTY \u2013 matoken\u2019s meme</a></li>\n</ul>\n</div>\n<div class=\"paragraph\">\n<p>Lichee Nano\u3067\u4f55\u304b\u3092\u52d5\u304b\u3057\u305f\u3044\uff0earm\u3060\u3051\u3069armhf\u52d5\u304f\u306e\u304b\u306a?\u3068\u308a\u3042\u3048\u305a\u306a\u306b\u304b\u8ee2\u9001\u3057\u3066\u52d5\u304b\u3057\u3066\u307f\u3088\u3046\u3068\uff0e</p>\n</div>\n<div class=\"paragraph\">\n<p>\u3068\u308a\u3042\u3048\u305aDebian\u306earmhf\u30d0\u30a4\u30ca\u30ea\u3092uuencode\u3057\u3066\u30b3\u30d4\u30da\u3067\u8ee2\u9001\u3057\u3066\u307f\u307e\u3059.\u3053\u308c\u304c\u52d5\u3051\u3070Debian\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u7fa4\u304c\u5229\u7528\u3067\u304d\u308b\u304b\u3082\u3060\u3051\u3069\u2026\u2026\uff0e</p>\n</div>\n<div class=\"paragraph\">\n<p>\u307e\u305a\u306f\u7c21\u5358\u305d\u3046\u306afortune\u3092\u8a66\u3057\u307e\u3059.</p>\n</div>\n<div class=\"listingblock shell\">\n<div class=\"title\">Debian sid\u3067fortune-mod\u30d1\u30c3\u30b1\u30fc\u30b8\u306earmhf\u30d0\u30a4\u30ca\u30ea\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3066\u5c55\u958b(add archtecture armhf\u3057\u3066\u3042\u308b\u74b0\u5883)</div>\n<div class=\"content\">\n<pre class=\"highlight\"><code>$ apt download -t armhf fortune-mod\n$ unar fortune-mod_1.99.1-7+b1_armhf.deb\n$ cd fortune-mod_1.99.1-7+b1_armhf\n$ tar xf data.tar.xz\n$ cd usr/games</code></pre>\n</div>\n</div>\n<div class=\"paragraph\">\n<p>Lichee Nano\u306fserial\u3067\u63a5\u7d9a\u3055\u308c\u3066\u3044\u3066\uff0cInternet\u306b\u306f\u7e4b\u304c\u3063\u3066\u3044\u306a\u3044\u306e\u3067\u30d0\u30a4\u30ca\u30ea\u30d5\u30a1\u30a4\u30eb\u306e\u8ee2\u9001\u306b\u306fuudecode/uuencode\u3092\u4f7f\u3044\u307e\u3057\u305f\uff0e\u4e45\u3005\u3067\u3059\uff0e<br />\n\u624b\u5143\u306eGNU sharutils 4.15.2\u306euudecode\u306b\u306fbase64\u3092\u4f7f\u3046 <code>-m, --base64</code> \u304c\u3042\u308b\u306e\u3067\u826f\u3055\u305d\u3046\uff0e\u3068\u601d\u3063\u305f\u3051\u3069Lichee Nano\u306e\u65b9\u306fbusybox\u306e\u3082\u306e\u3067\u975e\u5bfe\u5fdc\u3067\u3057\u305f\uff0e</p>\n</div>\n<div class=\"listingblock shell\">\n<div class=\"title\">\u30ed\u30fc\u30ab\u30eb\u7aef\u672b\u3067\u5727\u7e2e\u3057\u3066uuencode\u3057\u3066\u30af\u30ea\u30c3\u30d7\u30dc\u30fc\u30c9\u3078</div>\n<div class=\"content\">\n<pre class=\"highlight\"><code>$ gzip -c fortune | uuencode fortune.gz &gt; fortune.gz.uu\n$ cat fortune.gz.uu | xclip</code></pre>\n</div>\n</div>\n<div class=\"listingblock shell\">\n<div class=\"title\">\u30ea\u30e2\u30fc\u30c8\u3067\u4f38\u5f35\u3057\u3066\u89e3\u51cd</div>\n<div class=\"content\">\n<pre class=\"highlight\"><code># cat | uudecode    #\u3053\u3053\u3067\u30af\u30ea\u30c3\u30d7\u30dc\u30fc\u30c9\u304b\u3089\u8cbc\u308a\u4ed8\u3051\n# zcat fortune.gz &gt; fortune\n# rm fortune.gz</code></pre>\n</div>\n</div>\n<div class=\"paragraph\">\n<p>\u305d\u3057\u3066\u2026\u200b\u2026\u200b</p>\n</div>\n<div class=\"listingblock shell\">\n<div class=\"content\">\n<pre class=\"highlight\"><code># ./fortune\n-sh: ./fortune: not found\n# ldd ./fortune\nchecking sub-depends for 'not found'\nchecking sub-depends for '/lib/libc.so.6'\n/lib/ld-linux.so.3 (0xb6fa0000)\nlibrecode.so.0 =&gt; not found (0x00000000)\nlibc.so.6 =&gt; /lib/libc.so.6 (0x00000000)\n/lib/ld-linux.so.3 =&gt; /lib/ld-linux.so.3 (0x00000000)</code></pre>\n</div>\n</div>\n<div class=\"paragraph\">\n<p>\u3053\u308c\u3092\u52d5\u304b\u3059\u306e\u306f\u30c0\u30a4\u30ca\u30df\u30c3\u30af\u30ea\u30f3\u30af\u3055\u308c\u3066\u3044\u308b\u3082\u306e\u3092\u7528\u610f\u3057\u3066\u3042\u3052\u306a\u3044\u3068\u3044\u3051\u306a\u3044\u306e\u3067\u30b9\u30c8\u30ec\u30fc\u30b8\u306e\u5bb9\u91cf\u7684\u306b\u96e3\u3057\u3044\u3067\u3059\u306d\uff0e</p>\n</div>\n<div class=\"paragraph\">\n<p>\u3053\u3053\u3067\u306fgzip\u3067\u5727\u7e2e\u3057\u307e\u3057\u305f\u304c\uff0cLichee Nano\u306ebusybox\u306bxz\u304c\u3042\u308a\u307e\u3057\u305f\uff0egzip\u3088\u308axz\u306b\u3057\u305f\u307b\u3046\u304c\u5c0f\u3055\u304f\u306a\u308a\u307e\u3059\u306d\uff0e\u8a66\u3057\u3066\u307f\u308b\u3068\u3053\u3093\u306a\u611f\u3058\u3067\u3057\u305f\uff0e<code>$ xz -c fortune | uuencode fortune.xz &gt; fortune.xz.uu</code></p>\n</div>\n<div class=\"listingblock shell\">\n<div class=\"title\">\u30b5\u30a4\u30ba\u6bd4\u8f03</div>\n<div class=\"content\">\n<pre class=\"highlight\"><code>-rw-r--r-- 1 matoken matoken 22368 Jul 23 15:11 fortune #\u5143\u30d5\u30a1\u30a4\u30eb\n-rw-r--r-- 1 matoken matoken 30844 Jul 23 14:58 fortune.uu #uudecode\n-rw-r--r-- 1 matoken matoken 14975 Jul 23 15:08 fortune.gz.uu #zip + uudecode\n-rw-r--r-- 1 matoken matoken 13047 Jul 23 15:47 fortune.xz.uu #xz + uudecode</code></pre>\n</div>\n</div>\n<div class=\"paragraph\">\n<p>\u305d\u3046\u3044\u3048\u3070\u3042\u307e\u308a\u6709\u540d\u3067\u306f\u306a\u3044\u3067\u3059\u304cbasE91\u306a\u3093\u3066\u3082\u306e\u3082\u3042\u308a\u307e\u3059\uff0ebase64\u3088\u308a\u30b5\u30a4\u30ba\u304c\u5c0f\u3055\u304f\u306a\u308a\u307e\u3059\u304c\u5c0e\u5165\u304b\u3089\u3084\u3089\u306a\u3044\u3068\u3044\u3051\u306a\u3044\u306e\u3067\u3061\u3087\u3063\u3068\u9762\u5012\uff0e</p>\n</div>\n<div class=\"ulist\">\n<ul>\n<li><a href=\"https://wiki.matoken.org/unix/commands/basE91\">unix:commands:base91 [wiki.matoken.org</a>]</li>\n</ul>\n</div>\n<div class=\"paragraph\">\n<p>Hello world\u3092\u8a66\u3057\u3066\u307f\u307e\u3059\uff0e\u9069\u5f53\u306b\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u7528\u610f\u3057\u3066\u30b9\u30bf\u30c6\u30a3\u30c3\u30af\u30ea\u30f3\u30af\u3067\u30b3\u30f3\u30d1\u30a4\u30eb\u3057\u3066\u307f\u307e\u3059\uff0e</p>\n</div>\n<div class=\"listingblock shell\">\n<div class=\"content\">\n<pre class=\"highlight\"><code>$ cat hello.c\n#include &lt;stdio.h&gt;\nint\nmain(void)\n{\n    printf(\"Hello, world!\\n\");\n    return 0;\n}\n$ gcc -static ./hello.c\n$ ./a.out\nHello, world!\n$ ls -l a.out\n-rwxr-xr-x 1 pi pi 571120 7\u6708 23 16:18 a.out</code></pre>\n</div>\n</div>\n<div class=\"paragraph\">\n<p>\u3067\u304b\u3044\u2026\u200b\u2026\u200b</p>\n</div>\n<div class=\"paragraph\">\n<p>\u3068\u308a\u3042\u3048\u305a\u3067\u304b\u3044\u306e\u306f\u304a\u3044\u3068\u3044\u3066\u3053\u308c\u3060\u3068arm64\u306a\u306e\u3067\u52d5\u304f\u306f\u305a\u304c\u306a\u3044\uff0e\u3068\u3044\u3046\u3053\u3068\u3067\u30af\u30ed\u30b9\u30b3\u30f3\u30d1\u30a4\u30eb\u74b0\u5883\u3092\u7528\u610f\u3057\u307e\u3059\uff0e</p>\n</div>\n<div class=\"ulist\">\n<ul>\n<li><a href=\"https://wiki.debian.org/CrossToolchains\">CrossToolchains &#8211; Debian Wiki</a></li>\n</ul>\n</div>\n<div class=\"paragraph\">\n<p>\u4eca\u56de\u8a66\u3057\u305f\u30db\u30b9\u30c8\u306fDebian sid amd64/Ubuntu 20.04 LTS arm64/Raspberry Pi OS arm64\u3067\u3059\uff0e\u3044\u305a\u308c\u3082\u540c\u3058\u624b\u9806\u3067OK\u3067\u3057\u305f\uff0e</p>\n</div>\n<div class=\"paragraph\">\n<p><code>crossbuild-essential-&lt;arch&gt;</code> \u30d1\u30c3\u30b1\u30fc\u30b8\u3067\u5404\u7a2e\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306e\u74b0\u5883\u304c\u5c0e\u5165\u3067\u304d\u308b\u3088\u3046\u3067\u3059\uff0e</p>\n</div>\n<div class=\"listingblock shell\">\n<div class=\"content\">\n<pre class=\"highlight\"><code>$ apt-cache search crossbuild-essential-\ncrossbuild-essential-amd64 - Informational list of cross-build-essential packages\ncrossbuild-essential-arm64 - Informational list of cross-build-essential packages\ncrossbuild-essential-armel - Informational list of cross-build-essential packages\ncrossbuild-essential-armhf - Informational list of cross-build-essential packages\ncrossbuild-essential-i386 - Informational list of cross-build-essential packages\ncrossbuild-essential-powerpc - Informational list of cross-build-essential packages\ncrossbuild-essential-ppc64el - Informational list of cross-build-essential packages\ncrossbuild-essential-s390x - Informational list of cross-build-essential packages\ncrossbuild-essential-mips - Informational list of cross-build-essential packages\ncrossbuild-essential-mips64 - Informational list of cross-build-essential packages\ncrossbuild-essential-mips64el - Informational list of cross-build-essential packages\ncrossbuild-essential-mips64r6 - Informational list of cross-build-essential packages\ncrossbuild-essential-mips64r6el - Informational list of cross-build-essential packages\ncrossbuild-essential-mipsel - Informational list of cross-build-essential packages\ncrossbuild-essential-mipsr6 - Informational list of cross-build-essential packages\ncrossbuild-essential-mipsr6el - Informational list of cross-build-essential packages</code></pre>\n</div>\n</div>\n<div class=\"paragraph\">\n<p>\u6ca2\u5c71\u3042\u308a\u307e\u3059\uff0e\u4eca\u56de\u306farmlf/armhf\u306e <code>crossbuild-essential-armel</code>, <code>crossbuild-essential-armhf</code> \u3092\u5c0e\u5165\u3057\u307e\u3057\u305f\uff0e</p>\n</div>\n<div class=\"listingblock shell\">\n<div class=\"content\">\n<pre class=\"highlight\"><code>$ sudo apt install crossbuild-essential-armel crossbuild-essential-armhf</code></pre>\n</div>\n</div>\n<div class=\"paragraph\">\n<p>gcc\u3060\u3051\u3067\u3044\u3044\u5834\u5408\u306farmlf\u306f <code>gcc-arm-linux-gnueabi</code>\uff0carmhf\u306f <code>gcc-arm-linux-gnueabihf</code> \u3060\u3051\u3067OK\u3067\u3059\uff0e</p>\n</div>\n<div class=\"paragraph\">\n<p>\u307e\u305a\u306f <code>arm-linux-gnueabihf-gcc</code> \u3092\u4f7f\u3063\u3066armhf\u306e\u30d0\u30a4\u30ca\u30ea\u3092\u4f5c\u308a\u307e\u3059\uff0e</p>\n</div>\n<div class=\"listingblock shell\">\n<div class=\"content\">\n<pre class=\"highlight\"><code>$ /usr/bin/arm-linux-gnueabihf-gcc -static ./hello.c\n$ strip a.out\n$ xz -c a.out | uuencode a.out.xz &gt; a.out.xz.uu</code></pre>\n</div>\n</div>\n<div class=\"paragraph\">\n<p>armhf\u306f\u99c4\u76ee\u305d\u3046\u3067\u3059\uff0e</p>\n</div>\n<div class=\"listingblock shell\">\n<div class=\"content\">\n<pre class=\"highlight\"><code># cat | uudecode\n^d\n# xzcat ./a.out.xz &gt; ./a.out\n# chmod +x ./a.out\n# ./a.out\nSegmentation fault</code></pre>\n</div>\n</div>\n<div class=\"paragraph\">\n<p>\u6b21\u306f <code>gcc-arm-linux-gnueabi</code> \u3067armlf\u306e\u30d0\u30a4\u30ca\u30ea\u3092\u4f5c\u3063\u3066\u8a66\u3059\u3068\u52d5\u304d\u307e\u3057\u305f\uff0e</p>\n</div>\n<div class=\"listingblock shell\">\n<div class=\"content\">\n<pre class=\"highlight\"><code>$ /usr/bin/arm-linux-gnueabi-gcc -static ./hello.c\n$ strip a.out\n$ xz -c a.out | uuencode a.out.xz &gt; a.out.xz.uu</code></pre>\n</div>\n</div>\n<div class=\"listingblock shell\">\n<div class=\"content\">\n<pre class=\"highlight\"><code># cat | uudecode\n^d\n# xzcat ./a.out.xz &gt; ./a.out\n# chmod +x ./a.out\n# ./a.out\nHello, world!\n# /usr/bin/time -f \"%M KB\" ./a.out\nHello, world!\n2144 KB</code></pre>\n</div>\n</div>\n<div class=\"paragraph\">\n<p>\u3053\u306e\u8fba\u308a\u3067\u4eca\u56de\u306f\u6642\u9593\u5207\u308c\uff0e\u6b21\u56de\u306e\u540c\u3058\u3088\u3046\u306a\u611f\u3058\u306b\u306a\u308a\u305d\u3046\u3067\u3059\uff0e\u8208\u5473\u306e\u3042\u308b\u65b9\u306f\u4ee5\u4e0b\u306e\u30da\u30fc\u30b8\u304b\u3089\uff0e</p>\n</div>\n<div class=\"ulist\">\n<ul>\n<li><a href=\"https://lowleveltokyo.connpass.com/event/183952/\">\u4f4e\u30ec\u30d9\u30eb\u52c9\u5f37\u4f1a2020\u5e7408\u6708 &#8211; connpass</a></li>\n</ul>\n</div>\n<div class=\"paragraph\">\n<p>\u3068\u308a\u3042\u3048\u305aarmel\u306e\u30d0\u30a4\u30ca\u30ea\u304c\u52d5\u304f\u3088\u3046\u306a\u306e\u304c\u308f\u304b\u3063\u305f\u306e\u3067\u9762\u767d\u305d\u3046\u306a\u5c0f\u3055\u306a\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u8a66\u305d\u3046\u304b\u306a\u3068\u601d\u3063\u3066\u3044\u307e\u3059\uff0ecowsay\u3068\u304b\u597d\u304d\u306a\u3093\u3060\u3051\u3069\u3053\u308c\u306fPerl\u306a\u306e\u3067\u5bb9\u91cf\u7684\u306b\u96e3\u3057\u305d\u3046\uff0e\u3068\u308a\u3042\u3048\u305afortune\u3042\u305f\u308a\u304b\u306a?</p>\n</div>\n<div class=\"paragraph\">\n<p>\u4ee5\u524dPQI Air Pen\u3067\u3084\u3063\u305f\u3088\u3046\u306bSD card\u3092\u7528\u610f\u3057\u3066\u305d\u3053\u306bDebian armlf\u74b0\u5883\u3092\u5c55\u958b\u3057\u3066chroot\u3068\u304b\u3082\u3067\u304d\u305d\u3046\u3067\u3059\uff0e</p>\n</div>\n<div class=\"ulist\">\n<ul>\n<li><a href=\"https://speakerdeck.com/matoken/pqi-air-pen-hack\">PQI Air Pen Hack &#8211; Speaker Deck</a></li>\n</ul>\n</div>\n",
            "content_text": "2020-07-23\u4f4e\u30ec\u30d9\u30eb\u52c9\u5f37\u4f1a\u306b\u53c2\u52a0\u3057\u307e\u3057\u305f\uff0eZoom.us\u3067\u306e\u958b\u50ac\u3067\u3057\u305f\uff0e\n\n\n\n\u4f4e\u30ec\u30d9\u30eb\u52c9\u5f37\u4f1a2020\u5e7407\u6708 &#8211; connpass\n\n\n\n\u5185\u5bb9\u306fLinux\u540d\u523a\u7684\u306a\u3082\u306e\u3092\u958b\u767a\u3057\u3088\u3046\u3068\u3044\u3046\u5185\u5bb9\u3067\uff0c\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u3068\u3057\u3066SD\u30ab\u30fc\u30c9\u30b5\u30a4\u30ba\u306e\u5c0f\u3055\u306aLinux\u306e\u52d5\u4f5c\u3059\u308barm\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306eSipeed Lichee Nano\u3092\u4f7f\u3044\u307e\u3057\u305f\uff0e\n\n\n\n\u8354\u679d\u6d3eNano \u5168\u6d41\u7a0b\u6307\u5357 \u2014 \u8354\u679d\u6d3eNano \u5168\u6d41\u7a0b\u6307\u5357 documentation\n\n\n\n\u6b32\u3057\u3044\u5834\u5408\u306f1000\u5186\u3061\u3087\u3044\u304f\u3089\u3044\u304b\u3089\u3067\u5165\u624b\u3067\u304d\u305d\u3046\u3067\u3059\uff0e\n\n\n\nSipeed Lichee Nano &#8211; \u30b9\u30a4\u30c3\u30c1\u30b5\u30a4\u30a8\u30f3\u30b9 1045\u5186 + \u9001\u6599200\u5186 =1245\u5186\nLichee Nano \u2013 Shigezone Online 990\u5186 + \u9001\u6599400\u5186 = 1390\u5186\n\u30105705\u3011SIPEED-LICHEE-NANO Sipeed Lichee Nano 1050\u5186 + \u9001\u6599350\u5186 = 1400\u5186\n\uff2c\uff49\uff43\uff48\uff45\uff45\uff30\uff49\u3000\uff2e\uff41\uff4e\uff4f\u3000\uff11\uff16\uff2d\u3000\uff46\uff4c\uff41\uff53\uff48: \u30de\u30a4\u30b3\u30f3\u95a2\u9023 \u79cb\u6708\u96fb\u5b50\u901a\u5546-\u96fb\u5b50\u90e8\u54c1\u30fb\u30cd\u30c3\u30c8\u901a\u8ca9\u30001000\u5186 + \u9001\u6599500\u5186 = 1500\u5186\nSipeed Lichee Nano Linux \u958b\u767a\u30dc\u30fc\u30c9 16M Flash &#8211; Seeed Studio 707\u5186+ shipping\n\n\n\nLichee Nano\u3092\u6301\u3063\u3066\u3044\u306a\u3044\u4eba\u306f\u30ea\u30e2\u30fc\u30c8\u3067\u89e6\u308c\u308b\u3088\u3046\u306b\u3057\u3066\u3042\u3063\u305f\u306e\u3067\u6301\u3063\u3066\u3044\u306a\u3044\u79c1\u3082\u697d\u3057\u3081\u307e\u3057\u305f\uff0e\n\n\n\u3053\u306e\u30ea\u30e2\u30fc\u30c8\u958b\u767a\u306e\u4ed5\u7d44\u307f\u306fLichee Nano\u3068Raspberry Pi\u3092USB\u7d4c\u7531\u306eUART\u3067\u63a5\u7d9a\u3057\uff0cRaspberry Pi\u3067GNU screen\u3092\u8d77\u52d5\uff0cssh\u7d4c\u7531\u3067GNU screen\u306b\u7e4b\u3044\u3067\u64cd\u4f5c\u3068\u3044\u3046\u611f\u3058\u3067\u3059\uff0e\nGNU screen\u3092Gotty\u7b49\u306b\u3059\u308b\u3068\u30a6\u30a7\u30d6\u30d6\u30e9\u30a6\u30b6\u3067\u53c2\u52a0\u3067\u304d\u3066\u3061\u3087\u3063\u3068\u4fbf\u5229\u304b\u3082\u3068\u601d\u3063\u305f\u308a\u3082\uff0e(GoTTY\u306f\u958b\u767a\u6b62\u307e\u3063\u3066\u308b\u3088\u3046\u306b\u898b\u3048\u308b\u304b\u3089\u5225\u306e\u3082\u306e\u306e\u307b\u3046\u304c\u3044\u3044\u304b\u3082\u3057\u308c\u306a\u3044)\n\n\n\n\u7aef\u672b\u3092\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u306b Web \u3067\u5171\u6709\u3067\u304d\u308b GoTTY \u2013 matoken\u2019s meme\n\n\n\nLichee Nano\u3067\u4f55\u304b\u3092\u52d5\u304b\u3057\u305f\u3044\uff0earm\u3060\u3051\u3069armhf\u52d5\u304f\u306e\u304b\u306a?\u3068\u308a\u3042\u3048\u305a\u306a\u306b\u304b\u8ee2\u9001\u3057\u3066\u52d5\u304b\u3057\u3066\u307f\u3088\u3046\u3068\uff0e\n\n\n\u3068\u308a\u3042\u3048\u305aDebian\u306earmhf\u30d0\u30a4\u30ca\u30ea\u3092uuencode\u3057\u3066\u30b3\u30d4\u30da\u3067\u8ee2\u9001\u3057\u3066\u307f\u307e\u3059.\u3053\u308c\u304c\u52d5\u3051\u3070Debian\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u7fa4\u304c\u5229\u7528\u3067\u304d\u308b\u304b\u3082\u3060\u3051\u3069\u2026\u2026\uff0e\n\n\n\u307e\u305a\u306f\u7c21\u5358\u305d\u3046\u306afortune\u3092\u8a66\u3057\u307e\u3059.\n\n\nDebian sid\u3067fortune-mod\u30d1\u30c3\u30b1\u30fc\u30b8\u306earmhf\u30d0\u30a4\u30ca\u30ea\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3066\u5c55\u958b(add archtecture armhf\u3057\u3066\u3042\u308b\u74b0\u5883)\n\n$ apt download -t armhf fortune-mod\n$ unar fortune-mod_1.99.1-7+b1_armhf.deb\n$ cd fortune-mod_1.99.1-7+b1_armhf\n$ tar xf data.tar.xz\n$ cd usr/games\n\n\n\nLichee Nano\u306fserial\u3067\u63a5\u7d9a\u3055\u308c\u3066\u3044\u3066\uff0cInternet\u306b\u306f\u7e4b\u304c\u3063\u3066\u3044\u306a\u3044\u306e\u3067\u30d0\u30a4\u30ca\u30ea\u30d5\u30a1\u30a4\u30eb\u306e\u8ee2\u9001\u306b\u306fuudecode/uuencode\u3092\u4f7f\u3044\u307e\u3057\u305f\uff0e\u4e45\u3005\u3067\u3059\uff0e\n\u624b\u5143\u306eGNU sharutils 4.15.2\u306euudecode\u306b\u306fbase64\u3092\u4f7f\u3046 -m, --base64 \u304c\u3042\u308b\u306e\u3067\u826f\u3055\u305d\u3046\uff0e\u3068\u601d\u3063\u305f\u3051\u3069Lichee Nano\u306e\u65b9\u306fbusybox\u306e\u3082\u306e\u3067\u975e\u5bfe\u5fdc\u3067\u3057\u305f\uff0e\n\n\n\u30ed\u30fc\u30ab\u30eb\u7aef\u672b\u3067\u5727\u7e2e\u3057\u3066uuencode\u3057\u3066\u30af\u30ea\u30c3\u30d7\u30dc\u30fc\u30c9\u3078\n\n$ gzip -c fortune | uuencode fortune.gz &gt; fortune.gz.uu\n$ cat fortune.gz.uu | xclip\n\n\n\n\u30ea\u30e2\u30fc\u30c8\u3067\u4f38\u5f35\u3057\u3066\u89e3\u51cd\n\n# cat | uudecode    #\u3053\u3053\u3067\u30af\u30ea\u30c3\u30d7\u30dc\u30fc\u30c9\u304b\u3089\u8cbc\u308a\u4ed8\u3051\n# zcat fortune.gz &gt; fortune\n# rm fortune.gz\n\n\n\n\u305d\u3057\u3066\u2026\u200b\u2026\u200b\n\n\n\n# ./fortune\n-sh: ./fortune: not found\n# ldd ./fortune\nchecking sub-depends for 'not found'\nchecking sub-depends for '/lib/libc.so.6'\n/lib/ld-linux.so.3 (0xb6fa0000)\nlibrecode.so.0 =&gt; not found (0x00000000)\nlibc.so.6 =&gt; /lib/libc.so.6 (0x00000000)\n/lib/ld-linux.so.3 =&gt; /lib/ld-linux.so.3 (0x00000000)\n\n\n\n\u3053\u308c\u3092\u52d5\u304b\u3059\u306e\u306f\u30c0\u30a4\u30ca\u30df\u30c3\u30af\u30ea\u30f3\u30af\u3055\u308c\u3066\u3044\u308b\u3082\u306e\u3092\u7528\u610f\u3057\u3066\u3042\u3052\u306a\u3044\u3068\u3044\u3051\u306a\u3044\u306e\u3067\u30b9\u30c8\u30ec\u30fc\u30b8\u306e\u5bb9\u91cf\u7684\u306b\u96e3\u3057\u3044\u3067\u3059\u306d\uff0e\n\n\n\u3053\u3053\u3067\u306fgzip\u3067\u5727\u7e2e\u3057\u307e\u3057\u305f\u304c\uff0cLichee Nano\u306ebusybox\u306bxz\u304c\u3042\u308a\u307e\u3057\u305f\uff0egzip\u3088\u308axz\u306b\u3057\u305f\u307b\u3046\u304c\u5c0f\u3055\u304f\u306a\u308a\u307e\u3059\u306d\uff0e\u8a66\u3057\u3066\u307f\u308b\u3068\u3053\u3093\u306a\u611f\u3058\u3067\u3057\u305f\uff0e$ xz -c fortune | uuencode fortune.xz &gt; fortune.xz.uu\n\n\n\u30b5\u30a4\u30ba\u6bd4\u8f03\n\n-rw-r--r-- 1 matoken matoken 22368 Jul 23 15:11 fortune #\u5143\u30d5\u30a1\u30a4\u30eb\n-rw-r--r-- 1 matoken matoken 30844 Jul 23 14:58 fortune.uu #uudecode\n-rw-r--r-- 1 matoken matoken 14975 Jul 23 15:08 fortune.gz.uu #zip + uudecode\n-rw-r--r-- 1 matoken matoken 13047 Jul 23 15:47 fortune.xz.uu #xz + uudecode\n\n\n\n\u305d\u3046\u3044\u3048\u3070\u3042\u307e\u308a\u6709\u540d\u3067\u306f\u306a\u3044\u3067\u3059\u304cbasE91\u306a\u3093\u3066\u3082\u306e\u3082\u3042\u308a\u307e\u3059\uff0ebase64\u3088\u308a\u30b5\u30a4\u30ba\u304c\u5c0f\u3055\u304f\u306a\u308a\u307e\u3059\u304c\u5c0e\u5165\u304b\u3089\u3084\u3089\u306a\u3044\u3068\u3044\u3051\u306a\u3044\u306e\u3067\u3061\u3087\u3063\u3068\u9762\u5012\uff0e\n\n\n\nunix:commands:base91 [wiki.matoken.org]\n\n\n\nHello world\u3092\u8a66\u3057\u3066\u307f\u307e\u3059\uff0e\u9069\u5f53\u306b\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u7528\u610f\u3057\u3066\u30b9\u30bf\u30c6\u30a3\u30c3\u30af\u30ea\u30f3\u30af\u3067\u30b3\u30f3\u30d1\u30a4\u30eb\u3057\u3066\u307f\u307e\u3059\uff0e\n\n\n\n$ cat hello.c\n#include &lt;stdio.h&gt;\nint\nmain(void)\n{\n    printf(\"Hello, world!\\n\");\n    return 0;\n}\n$ gcc -static ./hello.c\n$ ./a.out\nHello, world!\n$ ls -l a.out\n-rwxr-xr-x 1 pi pi 571120 7\u6708 23 16:18 a.out\n\n\n\n\u3067\u304b\u3044\u2026\u200b\u2026\u200b\n\n\n\u3068\u308a\u3042\u3048\u305a\u3067\u304b\u3044\u306e\u306f\u304a\u3044\u3068\u3044\u3066\u3053\u308c\u3060\u3068arm64\u306a\u306e\u3067\u52d5\u304f\u306f\u305a\u304c\u306a\u3044\uff0e\u3068\u3044\u3046\u3053\u3068\u3067\u30af\u30ed\u30b9\u30b3\u30f3\u30d1\u30a4\u30eb\u74b0\u5883\u3092\u7528\u610f\u3057\u307e\u3059\uff0e\n\n\n\nCrossToolchains &#8211; Debian Wiki\n\n\n\n\u4eca\u56de\u8a66\u3057\u305f\u30db\u30b9\u30c8\u306fDebian sid amd64/Ubuntu 20.04 LTS arm64/Raspberry Pi OS arm64\u3067\u3059\uff0e\u3044\u305a\u308c\u3082\u540c\u3058\u624b\u9806\u3067OK\u3067\u3057\u305f\uff0e\n\n\ncrossbuild-essential-&lt;arch&gt; \u30d1\u30c3\u30b1\u30fc\u30b8\u3067\u5404\u7a2e\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306e\u74b0\u5883\u304c\u5c0e\u5165\u3067\u304d\u308b\u3088\u3046\u3067\u3059\uff0e\n\n\n\n$ apt-cache search crossbuild-essential-\ncrossbuild-essential-amd64 - Informational list of cross-build-essential packages\ncrossbuild-essential-arm64 - Informational list of cross-build-essential packages\ncrossbuild-essential-armel - Informational list of cross-build-essential packages\ncrossbuild-essential-armhf - Informational list of cross-build-essential packages\ncrossbuild-essential-i386 - Informational list of cross-build-essential packages\ncrossbuild-essential-powerpc - Informational list of cross-build-essential packages\ncrossbuild-essential-ppc64el - Informational list of cross-build-essential packages\ncrossbuild-essential-s390x - Informational list of cross-build-essential packages\ncrossbuild-essential-mips - Informational list of cross-build-essential packages\ncrossbuild-essential-mips64 - Informational list of cross-build-essential packages\ncrossbuild-essential-mips64el - Informational list of cross-build-essential packages\ncrossbuild-essential-mips64r6 - Informational list of cross-build-essential packages\ncrossbuild-essential-mips64r6el - Informational list of cross-build-essential packages\ncrossbuild-essential-mipsel - Informational list of cross-build-essential packages\ncrossbuild-essential-mipsr6 - Informational list of cross-build-essential packages\ncrossbuild-essential-mipsr6el - Informational list of cross-build-essential packages\n\n\n\n\u6ca2\u5c71\u3042\u308a\u307e\u3059\uff0e\u4eca\u56de\u306farmlf/armhf\u306e crossbuild-essential-armel, crossbuild-essential-armhf \u3092\u5c0e\u5165\u3057\u307e\u3057\u305f\uff0e\n\n\n\n$ sudo apt install crossbuild-essential-armel crossbuild-essential-armhf\n\n\n\ngcc\u3060\u3051\u3067\u3044\u3044\u5834\u5408\u306farmlf\u306f gcc-arm-linux-gnueabi\uff0carmhf\u306f gcc-arm-linux-gnueabihf \u3060\u3051\u3067OK\u3067\u3059\uff0e\n\n\n\u307e\u305a\u306f arm-linux-gnueabihf-gcc \u3092\u4f7f\u3063\u3066armhf\u306e\u30d0\u30a4\u30ca\u30ea\u3092\u4f5c\u308a\u307e\u3059\uff0e\n\n\n\n$ /usr/bin/arm-linux-gnueabihf-gcc -static ./hello.c\n$ strip a.out\n$ xz -c a.out | uuencode a.out.xz &gt; a.out.xz.uu\n\n\n\narmhf\u306f\u99c4\u76ee\u305d\u3046\u3067\u3059\uff0e\n\n\n\n# cat | uudecode\n^d\n# xzcat ./a.out.xz &gt; ./a.out\n# chmod +x ./a.out\n# ./a.out\nSegmentation fault\n\n\n\n\u6b21\u306f gcc-arm-linux-gnueabi \u3067armlf\u306e\u30d0\u30a4\u30ca\u30ea\u3092\u4f5c\u3063\u3066\u8a66\u3059\u3068\u52d5\u304d\u307e\u3057\u305f\uff0e\n\n\n\n$ /usr/bin/arm-linux-gnueabi-gcc -static ./hello.c\n$ strip a.out\n$ xz -c a.out | uuencode a.out.xz &gt; a.out.xz.uu\n\n\n\n\n# cat | uudecode\n^d\n# xzcat ./a.out.xz &gt; ./a.out\n# chmod +x ./a.out\n# ./a.out\nHello, world!\n# /usr/bin/time -f \"%M KB\" ./a.out\nHello, world!\n2144 KB\n\n\n\n\u3053\u306e\u8fba\u308a\u3067\u4eca\u56de\u306f\u6642\u9593\u5207\u308c\uff0e\u6b21\u56de\u306e\u540c\u3058\u3088\u3046\u306a\u611f\u3058\u306b\u306a\u308a\u305d\u3046\u3067\u3059\uff0e\u8208\u5473\u306e\u3042\u308b\u65b9\u306f\u4ee5\u4e0b\u306e\u30da\u30fc\u30b8\u304b\u3089\uff0e\n\n\n\n\u4f4e\u30ec\u30d9\u30eb\u52c9\u5f37\u4f1a2020\u5e7408\u6708 &#8211; connpass\n\n\n\n\u3068\u308a\u3042\u3048\u305aarmel\u306e\u30d0\u30a4\u30ca\u30ea\u304c\u52d5\u304f\u3088\u3046\u306a\u306e\u304c\u308f\u304b\u3063\u305f\u306e\u3067\u9762\u767d\u305d\u3046\u306a\u5c0f\u3055\u306a\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u8a66\u305d\u3046\u304b\u306a\u3068\u601d\u3063\u3066\u3044\u307e\u3059\uff0ecowsay\u3068\u304b\u597d\u304d\u306a\u3093\u3060\u3051\u3069\u3053\u308c\u306fPerl\u306a\u306e\u3067\u5bb9\u91cf\u7684\u306b\u96e3\u3057\u305d\u3046\uff0e\u3068\u308a\u3042\u3048\u305afortune\u3042\u305f\u308a\u304b\u306a?\n\n\n\u4ee5\u524dPQI Air Pen\u3067\u3084\u3063\u305f\u3088\u3046\u306bSD card\u3092\u7528\u610f\u3057\u3066\u305d\u3053\u306bDebian armlf\u74b0\u5883\u3092\u5c55\u958b\u3057\u3066chroot\u3068\u304b\u3082\u3067\u304d\u305d\u3046\u3067\u3059\uff0e\n\n\n\nPQI Air Pen Hack &#8211; Speaker Deck",
            "date_published": "2020-07-24T23:46:32+09:00",
            "date_modified": "2020-07-24T23:46:56+09:00",
            "authors": [
                {
                    "name": "matoken",
                    "url": "https://matoken.org/blog/author/matoken/",
                    "avatar": "https://secure.gravatar.com/avatar/38f5f3b575c5eb45cda6aa659bca119ac7a5e16b46565e869d0030e3bd66981d?s=512&d=mm&r=g"
                }
            ],
            "author": {
                "name": "matoken",
                "url": "https://matoken.org/blog/author/matoken/",
                "avatar": "https://secure.gravatar.com/avatar/38f5f3b575c5eb45cda6aa659bca119ac7a5e16b46565e869d0030e3bd66981d?s=512&d=mm&r=g"
            },
            "tags": [
                "gcc",
                "include",
                "Lichee Nano",
                "Sipeed",
                "uudecode",
                "xz",
                "zip",
                "Buster",
                "Debian",
                "Focal Fossa(20.04)",
                "Linux",
                "Raspberry Pi OS",
                "sid",
                "Ubuntu",
                "\u52c9\u5f37\u4f1a",
                "\u96fb\u5b50\u5de5\u4f5c"
            ]
        }
    ]
}