CODEWITHSUNDEEP
hookprotocolsuefi
linkerrors
linkerrors

Reputation: 39

How to hook protocol,such as DiskIO and BlockIO,in UEFI?

I want to develop a diskless product based on UEFI(the diskless product based on legacy BIOS has been popular for many years),but I has met one problem ---- To hook DiskIO Protocol and BlockIO Protocl is needed to filter some IO operations to replace the original protocols in UEFI,but I don't know the way to make this realized. So I wanna get answers here.

Upvotes: 1

Views: 751

Answers (1)

CodeRush
CodeRush

Reputation: 904

Register protocol notification event to get called after that protocols are published, and call gBS->ReinstallProtocolInterface to replace them with your hooked ones.

Upvotes: 1

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