{"id":1343,"date":"2012-02-26T08:16:27","date_gmt":"2012-02-25T14:16:27","guid":{"rendered":"http:\/\/peta.okechan.net\/blog\/?p=1343"},"modified":"2012-03-14T11:21:56","modified_gmt":"2012-03-14T02:21:56","slug":"xv6%e3%82%bd%e3%83%bc%e3%82%b9%e3%82%b3%e3%83%bc%e3%83%89%e3%83%aa%e3%83%bc%e3%83%87%e3%82%a3%e3%83%b3%e3%82%b0-%e3%81%9d%e3%81%ae21","status":"publish","type":"post","link":"https:\/\/peta.okechan.net\/blog\/archives\/1343","title":{"rendered":"[xv6 #21] Chapter 2 – Traps, interrupts, and drivers"},"content":{"rendered":"

\u30c6\u30ad\u30b9\u30c8\u306e31\u30da\u30fc\u30b8<\/p>\n

\u672c\u6587<\/h3>\n

\u30d7\u30ed\u30bb\u30b9\u306e\u5b9f\u884c\u4e2d\u3001CPU\u306f\u901a\u5e38\u306e\u30d7\u30ed\u30bb\u30c3\u30b5\u30eb\u30fc\u30d7\u3092\u5b9f\u884c\u3059\u308b\u3002
\n\u901a\u5e38\u306e\u30d7\u30ed\u30bb\u30c3\u30b5\u30eb\u30fc\u30d7\u3068\u306f\u3001\u4e00\u3064\u306e\u547d\u4ee4\u3092\u8aad\u307f\u8fbc\u307f\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u30ab\u30a6\u30f3\u30bf\u3092\u9032\u3081\u3001\u305d\u306e\u547d\u4ee4\u3092\u5b9f\u884c\u3057\u3001\u305d\u308c\u3092\u7e70\u308a\u8fd4\u3059\u3053\u3068\u3067\u3042\u308b\u3002
\n\u30e6\u30fc\u30b6\u30fc\u30d7\u30ed\u30b0\u30e9\u30e0\u304b\u3089\uff08\u6b21\u306e\u547d\u4ee4\u306e\u5b9f\u884c\u3067\u306f\u306a\u304f\uff09\u30ab\u30fc\u30cd\u30eb\u3078\u51e6\u7406\u3092\u623b\u3059\u306e\u3092\u5236\u5fa1\u3059\u308b\u4e0a\u3067\u30a4\u30d9\u30f3\u30c8\u7fa4\u304c\u767a\u751f\u3059\u308b\u3002
\n\u305d\u308c\u3089\u306e\u30a4\u30d9\u30f3\u30c8\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u4f55\u304b\u7570\u5e38\u306a\u3053\u3068\uff08\u4f8b\u3048\u3070\u3001PTE\u304c\u5b58\u5728\u3057\u306a\u3044\u4eee\u60f3\u30a2\u30c9\u30ec\u30b9\u3092\u53c2\u7167\u3057\u305f\u308a\uff09\u3092\u5b9f\u884c\u3057\u3088\u3046\u3068\u3057\u3066\u308b\u3053\u3068\u3092\u6ce8\u610f\u3059\u308b\u305f\u3081\u306e\u30c7\u30d0\u30a4\u30b9\u306e\u4fe1\u53f7\u3092\u542b\u3080\u3002
\n\u3082\u3057\u304f\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u3001\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u3092\u4f7f\u3063\u3066\u30ab\u30fc\u30cd\u30eb\u306b\u30b5\u30fc\u30d3\u30b9\u3092\u6c42\u3081\u308b\u4e8b\u3092\u542b\u3080\u3002
\n\u305d\u308c\u3089\u306e\u30a4\u30d9\u30f3\u30c8\u3092\u5236\u5fa1\u3059\u308b\u305f\u3081\u306b\u4e3b\u305f\u308b\u30c1\u30e3\u30ec\u30f3\u30b8\u304c3\u3064\u3042\u308b\u3002<\/p>\n

1. <\/h3>\n

\u30d7\u30ed\u30bb\u30c3\u30b5\u304c\u30e6\u30fc\u30b6\u30e2\u30fc\u30c9\u304b\u3089\u30ab\u30fc\u30cd\u30eb\u30e2\u30fc\u30c9\u3078\uff08\u307e\u305f\u305d\u306e\u9006\u3082\uff09\u5207\u308a\u66ff\u3048\u308b\u3053\u3068\u3092\u3001\u30ab\u30fc\u30cd\u30eb\u304c\u6e96\u5099\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002<\/p>\n

2. <\/h3>\n

\u30ab\u30fc\u30cd\u30eb\u3068\u30c7\u30d0\u30a4\u30b9\u306f\u3001\u305d\u306e\u4e26\u5217\u306a\u6d3b\u52d5\u72b6\u614b\u3092\u8abf\u6574\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002<\/p>\n

3. <\/h3>\n

\u30ab\u30fc\u30cd\u30eb\u306f\u3001\u30c7\u30d0\u30a4\u30b9\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3092\u3088\u304f\u7406\u89e3\u3057\u3066\u3044\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002
\n\u305d\u308c\u30893\u3064\u306e\u30c1\u30e3\u30ec\u30f3\u30b8\u306b\u53d6\u308a\u7d44\u3080\u3053\u3068\u306f\u3001\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u306b\u5bfe\u3059\u308b\u6df1\u3044\u7406\u89e3\u3068\u6ce8\u610f\u6df1\u3044\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u304c\u8981\u6c42\u3055\u308c\u3001\u305d\u3057\u3066\u305d\u308c\u306f\u7406\u89e3\u3057\u304c\u305f\u3044\u30ab\u30fc\u30cd\u30eb\u30b3\u30fc\u30c9\u306b\u5e30\u7740\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002
\n\u3053\u306e\u7ae0\u3067\u306f\u3001xv6\u304c\u3069\u3046\u3084\u3063\u3066\u305d\u306e3\u3064\u306e\u30c1\u30e3\u30ec\u30f3\u30b8\u306b\u53d6\u308a\u7d44\u3080\u304b\u3092\u8aac\u660e\u3059\u308b\u3002<\/p>\n

\u611f\u60f3<\/h3>\n

\u7b2c2\u7ae0\u306e\u307e\u3048\u304c\u304d\u7684\u90e8\u5206\u3067\u3059\u3002<\/p>\n

3\u3064\u306e\u30c1\u30e3\u30ec\u30f3\u30b8\u3092\u982d\u306b\u304a\u3044\u3066\u8aad\u307f\u9032\u3081\u305f\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u30c6\u30ad\u30b9\u30c8\u306e31\u30da\u30fc\u30b8<\/p>\n

\u672c\u6587<\/h3>\n

\u30d7\u30ed\u30bb\u30b9\u306e\u5b9f\u884c\u4e2d\u3001CPU\u306f\u901a\u5e38\u306e\u30d7\u30ed\u30bb\u30c3\u30b5\u30eb\u30fc\u30d7\u3092\u5b9f\u884c\u3059\u308b\u3002
\n\u901a\u5e38\u306e\u30d7\u30ed\u30bb\u30c3\u30b5\u30eb\u30fc\u30d7\u3068\u306f\u3001\u4e00\u3064\u306e\u547d\u4ee4\u3092\u8aad\u307f\u8fbc\u307f\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u30ab\u30a6\u30f3\u30bf\u3092\u9032\u3081\u3001\u305d\u306e\u547d\u4ee4\u3092\u5b9f\u884c\u3057\u3001\u305d\u308c\u3092\u7e70\u308a\u8fd4\u3059\u3053\u3068\u3067\u3042\u308b\u3002
\n\u30e6\u30fc\u30b6\u30fc\u30d7\u30ed\u30b0\u30e9\u30e0\u304b\u3089\uff08\u6b21\u306e\u547d\u4ee4\u306e\u5b9f\u884c\u3067\u306f\u306a\u304f\uff09\u30ab\u30fc\u30cd\u30eb\u3078\u51e6\u7406\u3092\u623b\u3059\u306e\u3092\u5236\u5fa1\u3059\u308b\u4e0a\u3067\u30a4\u30d9\u30f3\u30c8\u7fa4\u304c\u767a\u751f\u3059\u308b\u3002
\n\u305d\u308c\u3089\u306e\u30a4\u30d9\u30f3\u30c8\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u4f55\u304b\u7570\u5e38\u306a\u3053\u3068\uff08\u4f8b\u3048\u3070\u3001PTE\u304c\u5b58\u5728\u3057\u306a\u3044\u4eee\u60f3\u30a2\u30c9\u30ec\u30b9\u3092\u53c2\u7167\u3057\u305f\u308a\uff09\u3092\u5b9f\u884c\u3057\u3088\u3046\u3068\u3057\u3066\u308b\u3053\u3068\u3092\u6ce8\u610f\u3059\u308b\u305f\u3081\u306e\u30c7\u30d0\u30a4\u30b9\u306e\u4fe1\u53f7\u3092\u542b\u3080\u3002
\n\u3082\u3057\u304f\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u3001\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u3092\u4f7f\u3063\u3066\u30ab\u30fc\u30cd\u30eb\u306b\u30b5\u30fc\u30d3\u30b9\u3092\u6c42\u3081\u308b\u4e8b\u3092\u542b\u3080\u3002
\n\u305d\u308c\u3089\u306e\u30a4\u30d9\u30f3\u30c8\u3092\u5236\u5fa1\u3059\u308b\u305f\u3081\u306b\u4e3b\u305f\u308b\u30c1\u30e3\u30ec\u30f3\u30b8\u304c3\u3064\u3042\u308b\u3002<\/p>\n

1. <\/h3>\n

\u30d7\u30ed\u30bb\u30c3\u30b5\u304c\u30e6\u30fc\u30b6\u30e2\u30fc\u30c9\u304b\u3089\u30ab\u30fc\u30cd\u30eb\u30e2\u30fc\u30c9\u3078\uff08\u307e\u305f\u305d\u306e\u9006\u3082\uff09\u5207\u308a\u66ff\u3048\u308b\u3053\u3068\u3092\u3001\u30ab\u30fc\u30cd\u30eb\u304c\u6e96\u5099\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002<\/p>\n

2. <\/h3>\n

\u30ab\u30fc\u30cd\u30eb\u3068\u30c7\u30d0\u30a4\u30b9\u306f\u3001\u305d\u306e\u4e26\u5217\u306a\u6d3b\u52d5\u72b6\u614b\u3092\u8abf\u6574\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002<\/p>\n

3. <\/h3>\n

\u30ab\u30fc\u30cd\u30eb\u306f\u3001\u30c7\u30d0\u30a4\u30b9\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3092\u3088\u304f\u7406\u89e3\u3057\u3066\u3044\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002
\n\u305d\u308c\u30893\u3064\u306e\u30c1\u30e3\u30ec\u30f3\u30b8\u306b\u53d6\u308a\u7d44\u3080\u3053\u3068\u306f\u3001\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u306b\u5bfe\u3059\u308b\u6df1\u3044\u7406\u89e3\u3068\u6ce8\u610f\u6df1\u3044\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u304c\u8981\u6c42\u3055\u308c\u3001\u305d\u3057\u3066\u305d\u308c\u306f\u7406\u89e3\u3057\u304c\u305f\u3044\u30ab\u30fc\u30cd\u30eb\u30b3\u30fc\u30c9\u306b\u5e30\u7740\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002
\n\u3053\u306e\u7ae0\u3067\u306f\u3001xv6\u304c\u3069\u3046\u3084\u3063\u3066\u305d\u306e3\u3064\u306e\u30c1\u30e3\u30ec\u30f3\u30b8\u306b\u53d6\u308a\u7d44\u3080\u304b\u3092\u8aac\u660e\u3059\u308b\u3002<\/p>\n

\u611f\u60f3<\/h3>\n

\u7b2c2\u7ae0\u306e\u307e\u3048\u304c\u304d\u7684\u90e8\u5206\u3067\u3059\u3002<\/p>\n

3\u3064\u306e\u30c1\u30e3\u30ec\u30f3\u30b8\u3092\u982d\u306b\u304a\u3044\u3066\u8aad\u307f\u9032\u3081\u305f\u3044\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[32],"tags":[405],"class_list":["post-1343","post","type-post","status-publish","format-standard","hentry","category-tech","tag-xv6"],"_links":{"self":[{"href":"https:\/\/peta.okechan.net\/blog\/wp-json\/wp\/v2\/posts\/1343","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/peta.okechan.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/peta.okechan.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/peta.okechan.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/peta.okechan.net\/blog\/wp-json\/wp\/v2\/comments?post=1343"}],"version-history":[{"count":0,"href":"https:\/\/peta.okechan.net\/blog\/wp-json\/wp\/v2\/posts\/1343\/revisions"}],"wp:attachment":[{"href":"https:\/\/peta.okechan.net\/blog\/wp-json\/wp\/v2\/media?parent=1343"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/peta.okechan.net\/blog\/wp-json\/wp\/v2\/categories?post=1343"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/peta.okechan.net\/blog\/wp-json\/wp\/v2\/tags?post=1343"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}