{"provider_url":"https://hatena.blog","url":"https://tokuchan3515.hatenablog.com/entry/2021/03/17/184110","title":"1GB\u30da\u30fc\u30b8\u3067\u306e\u30da\u30fc\u30b8\u30f3\u30b0\u306fPDPT\u306e13-29\u30d3\u30c3\u30c8\u304cReserved\u306b\u306a\u308b","image_url":null,"version":"1.0","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftokuchan3515.hatenablog.com%2Fentry%2F2021%2F03%2F17%2F184110\" title=\"1GB\u30da\u30fc\u30b8\u3067\u306e\u30da\u30fc\u30b8\u30f3\u30b0\u306fPDPT\u306e13-29\u30d3\u30c3\u30c8\u304cReserved\u306b\u306a\u308b - \u5099\u5fd8\u9332\u3084\u3081\u305f\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_name":"tokuchan3515","width":"100%","height":"190","categories":["\u81ea\u4f5cOS"],"author_url":"https://blog.hatena.ne.jp/tokuchan3515/","blog_url":"https://tokuchan3515.hatenablog.com/","type":"rich","description":"1GB\u30da\u30fc\u30b8\u3067\u306e\u30da\u30fc\u30b8\u30f3\u30b0\u3067\u306f\uff0c4KB\u30da\u30fc\u30b8\u3067\u306e\u30da\u30fc\u30b8\u30f3\u30b0\u3068\u306f\u9055\u3044\uff0c\u30da\u30fc\u30b8\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3084\u30da\u30fc\u30b8\u30c6\u30fc\u30d6\u30eb\u3092\u4f7f\u7528\u305b\u305a\uff0cPDPT (Page-Directory-Pointer-Table) \u304c\u7269\u7406\u30a2\u30c9\u30ec\u30b9\u3092\u683c\u7d0d\u3057\u307e\u3059\uff0e\u3053\u306e\u7269\u7406\u30a2\u30c9\u30ec\u30b9\u306f\uff0c1GB\u5358\u4f4d\u3067\u3042\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\uff0e \u4e01\u5ea6\u4eca\uff0c\u4eee\u60f3\u30a2\u30c9\u30ec\u30b90xFFFF_FFFF_8000_0000\u3092\uff0c\u7269\u7406\u30a2\u30c9\u30ec\u30b90x10_1000\u3078\u30de\u30c3\u30d4\u30f3\u30b0\u3092\u3057\u3088\u3046\u3068\uff0c\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u9593\u9055\u3063\u305f\u30b3\u30fc\u30c9\u3092\u66f8\u304d\u307e\u3057\u305f\uff0e lea edx, [KERNEL_PDPT_LMA] /* EDX <- PDPT\u306e\u7269\u7406\u30a2\u30c9\u30ec\u30b9 */ lea eax, [KERNEL_LMA] /* EAX <- 0\u2026","provider_name":"Hatena Blog","published":"2021-03-17 18:41:10","blog_title":"\u5099\u5fd8\u9332\u3084\u3081\u305f"}