On 21-01-08 07:23, jidong xiao wrote:
I know there is set_intr_gate(n,addr) which is used to insert an interrupt gate in the n th IDT entry. But I don't know what the usage of set_intr_gate_ist()?
The same, while setting the "Interrupt STack" field of the descriptor to "ist". This field is a 64-bit only field, implementing a hardware stack switch. Look for it in the AMD64 docs.
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