Messages in this thread | | | From | Keith Owens <> | Subject | Re: booting the kernel when ia32 processor is already in protected mode | Date | Fri, 20 Aug 1999 07:13:20 -0700 |
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On Thu, 19 Aug 1999 22:27:10 -0700, Lincoln Dale <ltd@interlink.com.au> wrote: >i've got a computer that has (already built-in) an impressive bootstrap-loader. >it can load an image from disk, network (rcp, ftp, tftp) or from flash. > >it can load a Linux kernel (provided it is a raw ELF file, such as that >normally kept in arch/i386/boot/compress/bvmlinux), and execute at the >appropriate place (0x100000). > >unfortunately, the processor is already in protected-mode by the time the >linux kernel starts running. this is where things 'stop'.
At a recent BALUG talk, San Mehat, of VA Linux Systems (sorry, no email address) mentioned that he had a similar problem, a bootstrap loader that left the system in protected instead of real mode. The solution was to do a soft reboot pointing at the kernel code, but that assumes your RAM is not cleared. He also mentioned that he was looking for a general solution.
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