Dear Friends, I wanted to do some verification of bzImage before it is being loaded with grub_cmd_linux() from /loader/i386/linux.c.
As a first step: I have added a new module(Say abc.mod) into grub-core which does the verification of bzImage(bzImage path is hardcoded in my abc.mod as /boot/bzImage).And it works fine if i do below steps > insmod abc.mod > abc.mod Now i wanted to call the verification function located in abc.mod before loading the kernel so that it do the verification automatically during boot procedure.. But i could not able to call the verification function from grub_cmd_linx() So,I wanted to know 1. how to call a function located in one module from another module. 2. If i want to pass bzImage path as a formal argument (which is received as argv[0] to linux command) when calling the verification function what are the changes needed? Any help is greatly appreciated. Thanks in Advance, Vijay
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