From fe37a0555804a6d047933d449dd2b64ed2e28108 Mon Sep 17 00:00:00 2001 From: hailin cai Date: Tue, 2 Feb 2016 14:57:02 -0500 Subject: [PATCH] Update Booting/linux-bootstrap-2md.md --- Booting/linux-bootstrap-2md.md | 1 + 1 file changed, 1 insertion(+) diff --git a/Booting/linux-bootstrap-2md.md b/Booting/linux-bootstrap-2md.md index 744e0ef..e9093cb 100644 --- a/Booting/linux-bootstrap-2md.md +++ b/Booting/linux-bootstrap-2md.md @@ -51,3 +51,4 @@ PhysicalAddress = Segment * 16 + Offset lgdt gdt ``` +`lgdt`汇编代码将把全局描述符表的基地址和大小保存到`GDTR`寄存器中。`GRTD`是一个48位的寄存器,where the `lgdt` instruction loads the base address and limit(size) of global descriptor table to the `GDTR` register. `GDTR` is a 48-bit register and consists of two parts: \ No newline at end of file