On 31.05.2012 12:03, Parul Aggarwal wrote: > Thanks Vladimir. > > 1. In uboot we can have standalone application (which uses uboot > functions) compiled and run independently on uboot prompt. As I > understand from your comments that in GRUB this is not possible. We > wanted to run the application in a way similar to memtest in GRUB. But > our application wants to use GRUB functions.
It's not possible because of 3 factors: - On all platforms except EFI (and EMU) GRUB is prelinked at predetermined address. - All protocols except appleloader, EFI chainloader, newer linux, ia64 linux, ppc linux and sparc64 linux also load at predetermined address. - We don't have a complete control over memory map. Under such circumstances there is no way to ensure that there is no overlap between GRUB and payload. So you can't use GRUB functions. > > 2. If I use dynamically loaded GRUB module for my application, does that > mean that also I cannot compile module independently. Do i need to > compile the whole GRUB for that? Currently dependency tracking is done at compile time and there is no way to dependency-track 2 sets of modules at the same time. Patches are welcome.-- Regards Vladimir 'φ-coder/phcoder' Serbinenko
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