Nguyen Anh Quynh wrote:
>>
>> The thinking is to eliminate the need to hijack the boot sector when using
>> the -kernel option.
>>
>
> I see, but does that offer any advantage over the current approach?
>
You no longer have to specify a -hda option when using -kernel.
Regards,
Anthony L
Nguyen Anh Quynh wrote:
>> You no longer have to specify a -hda option when using -kernel.
>>
>
> Without -hda, how can we load disk image? Or you mean you only want to
> test the kernel?
>
Right. You may be booting from NFS, iSCSI, or something like that.
Regards,
Anthony Liguori
> T
On 4/18/08, Anthony Liguori <[EMAIL PROTECTED]> wrote:
> Nguyen Anh Quynh wrote:
>
> >
> > >
> > > The thinking is to eliminate the need to hijack the boot sector when
> using
> > > the -kernel option.
> > >
> > >
> >
> > I see, but does that offer any advantage over the current approach?
> >
> >
Anthony Liguori wrote:
> Nguyen Anh Quynh wrote:
>>>
>>> The thinking is to eliminate the need to hijack the boot sector when
>>> using
>>> the -kernel option.
>>>
>>
>> I see, but does that offer any advantage over the current approach?
>>
>
> You no longer have to specify a -hda option
On 4/18/08, Anthony Liguori <[EMAIL PROTECTED]> wrote:
> Nguyen Anh Quynh wrote:
>
> > On Thu, Apr 17, 2008 at 3:00 PM, H. Peter Anvin <[EMAIL PROTECTED]> wrote:
> >
> >
> > >
> > > > + .globl linux_boot
> > > > +linux_boot:
> > > > + cli
> > > > + cld
> > > > + mov $0x9000,
Anthony Liguori wrote:
>
> The thinking is to eliminate the need to hijack the boot sector when
> using the -kernel option. However, the linux boot stuff in extboot has
> been broken since hpa rewrote the boot code. It can be removed for now
> and I'll eventually revisit it.
>
It probably m
H. Peter Anvin wrote:
> Nguyen Anh Quynh wrote:
>>
>> Actually, this code is left from the original code of Anthony, and it
>> seems he took it from qemu 0.8 version.
>>
>> Anthony, may you explain why you want to hijact the linux boot process
>> here? If I understand correctly, we can just let the
Nguyen Anh Quynh wrote:
> On Thu, Apr 17, 2008 at 3:00 PM, H. Peter Anvin <[EMAIL PROTECTED]> wrote:
>
>>> + .globl linux_boot
>>> +linux_boot:
>>> + cli
>>> + cld
>>> + mov $0x9000, %ax
>>> + mov %ax, %ds
>>> + mov %ax, %es
>>> + mov %ax, %fs
>>> +
Nguyen Anh Quynh wrote:
>
> Actually, this code is left from the original code of Anthony, and it
> seems he took it from qemu 0.8 version.
>
> Anthony, may you explain why you want to hijact the linux boot process
> here? If I understand correctly, we can just let the original int19
> execute, a
Nguyen Anh Quynh wrote:
>
> Actually, this code is left from the original code of Anthony, and it
> seems he took it from qemu 0.8 version.
>
> Anthony, may you explain why you want to hijact the linux boot process
> here? If I understand correctly, we can just let the original int19
> execute, a
On Thu, Apr 17, 2008 at 4:36 PM, Carlo Marcelo Arenas Belon
<[EMAIL PROTECTED]> wrote:
> On Thu, Apr 17, 2008 at 10:30:27AM +0900, Nguyen Anh Quynh wrote:
>
> +++ b/extboot/farvar.h
> @@ -0,0 +1,113 @@
> +// Code to access multiple segments within gcc.
> +//
> +// Copyright (C) 2008 Kevin O'C
On Thu, Apr 17, 2008 at 3:00 PM, H. Peter Anvin <[EMAIL PROTECTED]> wrote:
> > + .globl linux_boot
> > +linux_boot:
> > + cli
> > + cld
> > + mov $0x9000, %ax
> > + mov %ax, %ds
> > + mov %ax, %es
> > + mov %ax, %fs
> > + mov %ax, %gs
> > + mov
On Thu, Apr 17, 2008 at 2:58 PM, H. Peter Anvin <[EMAIL PROTECTED]> wrote:
> Nguyen Anh Quynh wrote:
>
> > This patch replaces the current assembly code of Extboot option rom
> > with new C code. Patch is against kvm-66.
> >
> > This version returns an error code in case int 13 handler cannot
> > h
On Thu, Apr 17, 2008 at 10:30:27AM +0900, Nguyen Anh Quynh wrote:
+++ b/extboot/farvar.h
@@ -0,0 +1,113 @@
+// Code to access multiple segments within gcc.
+//
+// Copyright (C) 2008 Kevin O'Connor <[EMAIL PROTECTED]>
+//
+// This file may be distributed under the terms of the GNU GPLv3 license.
> + .globl linux_boot
> +linux_boot:
> + cli
> + cld
> + mov $0x9000, %ax
> + mov %ax, %ds
> + mov %ax, %es
> + mov %ax, %fs
> + mov %ax, %gs
> + mov %ax, %ss
> + mov $0x8ffe, %sp
> + ljmp $0x9000 + 0x20, $0
The hard use of segment 9000 is really highly
Nguyen Anh Quynh wrote:
> This patch replaces the current assembly code of Extboot option rom
> with new C code. Patch is against kvm-66.
>
> This version returns an error code in case int 13 handler cannot
> handle a requested function.
>
> Signed-off-by: Nguyen Anh Quynh <[EMAIL PROTECTED]>
>
This patch replaces the current assembly code of Extboot option rom
with new C code. Patch is against kvm-66.
This version returns an error code in case int 13 handler cannot
handle a requested function.
Signed-off-by: Nguyen Anh Quynh <[EMAIL PROTECTED]>
# diffstat extboot3.diff
b/extboot/Mak
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