I included the normal and configfile modules in grub-mkimage and still system does not recognize "if" On Aug 13, 2013 9:15 AM, "Andrey Borzenkov" <arvidj...@gmail.com> wrote:
> В Tue, 13 Aug 2013 07:33:28 -0700 > Binh Minh <binhminhmatt...@gmail.com> пишет: > > > It is a security feature requires my implementation to ask for the user's > > input and compare the input before we process information in grub.cfg. > It > > is proprietary so I can't discuss more than that. If I include modules > > echo, sleep, read during grub-mkimage, I was able to have those commands > in > > myconfig.cfg, and this works before normal.mod is loaded. But how come > > "if" statement is unknown? The grub documentation on this web site > > > http://www.gnu.org/software/grub/manual/html_node/Embedded-configuration.htmlhas > > an example showing using "if" statement is possible. What kind of > > built-in script parser is used when processing the "config file" that was > > linked into core.img? > > > > normal.mod. Quoting documentation: > > To do this, include the `configfile' and `normal' modules in the core > image, > > > > > On Tue, Aug 13, 2013 at 2:39 AM, Andrey Borzenkov <arvidj...@gmail.com > >wrote: > > > > > On Tue, Aug 13, 2013 at 9:10 AM, Binh Minh <binhminhmatt...@gmail.com> > > > wrote: > > > > I am trying to read in a user's input, compare the user's input to > X. If > > > > the user's input matches X, proceed to load normal.mod; otherwise > loop > > > back > > > > to get user's input. > > > > > > > > > > > > > > And why you cannot do it after normal.mod is loaded? > > > > > > > On Mon, Aug 12, 2013 at 7:39 PM, Andrey Borzenkov < > arvidj...@gmail.com> > > > > wrote: > > > >> > > > >> В Mon, 12 Aug 2013 13:39:24 -0700 > > > >> Binh Minh <binhminhmatt...@gmail.com> пишет: > > > >> > > > >> > My computer has grub installed. During booting before normal.mod > is > > > >> > loaded, > > > >> > I need to be able to run if and while commands in my config file > which > > > >> > has > > > >> > been linked into core.img (using grub-mkimage -c myconfig.confg). > In > > > >> > myconfig.config, I have an if statement and I kept getting > "unknown > > > >> > command > > > >> > if" during booting. I saw an example in > > > >> > > > > >> > > > > > http://www.gnu.org/software/grub/manual/html_node/Embedded-configuration.htmland > > > >> > looks like I just need to include search, test, and normal > modules. > > > >> > Am > > > >> > I missing something? Thanks > > > >> > > > >> It is not possible. Those commands are provide by normal.mod. The > only > > > >> purpose of core.img is normally to load normal.mod. > > > >> > > > >> What are you trying to do? > > > > > > > > > > > > >
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