On Wed, Apr 25, 2018 at 12:45:15PM -0700, Andrew Jeddeloh wrote:
> > As Michael said, "0x0202 + byte value at offset 0x0201" is your friend.
>
> I think Michael's message got lost; I think he replied to just you? I
> didn't receive it and I don't see it in the archives.
>
> > AIUI it is. Please loo
On Wed, Apr 25, 2018 at 12:45:15PM -0700, Andrew Jeddeloh wrote:
> > As Michael said, "0x0202 + byte value at offset 0x0201" is your friend.
>
> I think Michael's message got lost; I think he replied to just you? I
> didn't receive it and I don't see it in the archives.
Yes, it got lost. I don't
> As Michael said, "0x0202 + byte value at offset 0x0201" is your friend.
I think Michael's message got lost; I think he replied to just you? I
didn't receive it and I don't see it in the archives.
> AIUI it is. Please look above.
I don't know what you're refering to here by "above".
> This is
On Tue, Apr 24, 2018 at 04:08:57PM -0700, Andrew Jeddeloh wrote:
> Thanks for the reply.
>
> I'm not sure I follow. Looking over the 32 bit boot spec, it looks
> like the process is:
>
> 1) zero out linux_params
> - grub does this
> 2) copy the linux boot params (from 0x1f1) into linux params
> -
Thanks for the reply.
I'm not sure I follow. Looking over the 32 bit boot spec, it looks
like the process is:
1) zero out linux_params
- grub does this
2) copy the linux boot params (from 0x1f1) into linux params
- grub does this by reading from 0x0 until the end of lh, then
copying lh+0x1f1 ti
On Thu, Apr 19, 2018 at 03:22:55PM -0700, Andrew Jeddeloh wrote:
> While solving a bug in the coreos fork of grub I came across this disk
> read in the i386 linux loader [1]. It looks like its reading whatever
> is after the boot param header in the kernel file (defined by the
> linux x86 boot prot
While solving a bug in the coreos fork of grub I came across this disk
read in the i386 linux loader [1]. It looks like its reading whatever
is after the boot param header in the kernel file (defined by the
linux x86 boot protocol [2]) into the rest of the `linux_params`
struct. In practice this me
While solving a bug in the coreos fork of grub I came across this disk
read in the i386 linux loader [1]. It looks like its reading whatever
is after the boot param header in the kernel file (defined by the
linux x86 boot protocol [2]) into the rest of the `linux_params`
struct. In practice this me
