I am using Linux kernel version 2.4...Whether initramfs is available in that kernel version 2.4 with cpio archieve. DO I need to select initrd or ramdisk with initramfs?
I am sorry I am new to uclinux/linux. I am building myself in uclinux Thanks Ashish Phogat On Fri, Mar 22, 2013 at 9:41 AM, Lennart Sorensen < lsore...@csclub.uwaterloo.ca> wrote: > On Fri, Mar 22, 2013 at 09:28:18AM -0400, Ashish Phogat wrote: > > Hi folks, > > I have some basic problem: > > > > I have my uclinux currently running on Coldfire board from RAM. I have > > romfs as my file system but that is read only file system.I donot enable > > MTD support, blckmem is also disabled. > > > > I enabled a RAM disk(CONFIG_BLK_DEV_RAM) and > initrd(CONFIG_BLK_DEV_INITRD) > > and choose rootfs as my filesystem. > > > > > > Now I want to change my configuration so that I have a writable > filesystem > > in RAM. > > > > I am confused with the configurations I need to set to choose a writable > > file system for uclinux running from RAM. > > > > What uclinux configuration I need to select to boot uclinux in RAM with > > writeable filesystem? > > > > I guess I donot need MTD because that is used for FLASH memory, Neither I > > need blckmen that is also for FLASH memory. I need to just create a block > > on RAM and just put a filesystem on that block. > > > > Please correct me if I am wrong. > > > > Please also proivde the reason which and why a particular configuration > is > > enabled. What role the config is playing in writeable filesystem? > > Thanks a lot for replying > > We use initramfs and a cpio archive joined with the kernel in a multipart > uImage. Works great. In the case of busybox and other multicall binaries, > using hardlinks uses vastly less ram than symlinks (each symlink uses > one page of ram to store the symlink file). > > The fact we can recreate the cpio archive and update the uImage from > the kernel and cpio archive is great. No recompile crap to deal with > the way romfs and such have tended to need. For us building the kernel > and the filesystem are totally seperate issues. > > -- > Len Sorensen > _______________________________________________ > uClinux-dev mailing list > uClinux-dev@uclinux.org > http://mailman.uclinux.org/mailman/listinfo/uclinux-dev > This message was resent by uclinux-dev@uclinux.org > To unsubscribe see: > http://mailman.uclinux.org/mailman/options/uclinux-dev >
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