The original IDT entries from 0 to OldIdtSize still work to capture all exceptions.
And, it also does not impact CpuArch->CpuRegisterInterrupt() to register new Interrupt Handlers from vector 0 to vector 0xff. From: [email protected] [mailto:[email protected]] Sent: Thursday, October 30, 2014 11:10 AM To: [email protected] Subject: Re: [edk2] question about InitInterruptDescriptorTable() function in CpuDxe.c Hi, Andrew: Thanks for your reply! So, I made a conclusion: If OldIdtSize > = 32, even below code not run, it’s aslo ok? // for (Index = OldIdtSize; Index < 32; Index++) { Status = CpuRegisterInterruptHandler (&gCpu, Index, CommonExceptionHandler); ASSERT_EFI_ERROR (Status); } Best wishes,
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