Re: failing while writing to disk with BIOS in realmode setup

2015-07-02 Thread Dan Mick
On 07/01/2015 08:56 PM, Dan Mick wrote: > What might I be doing wrong? Why won't this code succeed to write to > the (otherwise empty) drive 1 from kernel setup's main? Indeed it was something very dumb, as hpa was kind enough to point out: grub2 with 'linux' never runs the 16-bit realmode setu

failing while writing to disk with BIOS in realmode setup

2015-07-01 Thread Dan Mick
What might I be doing wrong? Why won't this code succeed to write to the (otherwise empty) drive 1 from kernel setup's main? I'm 100% certain this is the code I'm booting (with grub/bzImage); it's as though the intcalls just never happen (or fail for some reason I can't get telemetry on, which is