Interrupt Descriptor Table
美 [ˌɪntəˈrʌpt dɪˈskrɪptər ˈteɪbl]英 [ˌɪntəˈrʌpt dɪˈskrɪptə(r) ˈteɪbl]
- 中断描述符列表
Interrupt Descriptor Table
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Booting module gets information of the computer and configures the global descriptor table , interrupt descriptor table and page directory , after this , it use long jump instruction to go into protected mode .
内核引导完成的主要功能是从磁盘上把内核装载至内存,读取系统硬件参数,设置全局描述符表、中断描述符表和页目录表,利用长跳转指令,从实模式切入保护模式。
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For some of the interrupts such as the APIC timer interrupt and NIC interrupt , interrupt handling procedures are directly set in the interrupt descriptor table , in order to provide deterministic interrupt response time .
把一些中断例如APIC和网卡中断的中断处理程序直接注册在中断描述符表中,这样可以得到确定的中断响应时间。
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