On Wednesday 07 September 2016 21:13:43 you wrote:
> sure
>
> if you require a more general discussion it might be best to cc
> openocd-devel, since I see quite a few people are interested on 64bit
> support.
Some is just into details of the implementation, some is about broader topics,
so I'll
When I first started adding 64bit support, I created corresponding 64bit
variants of read/write functions while still maintaining the old 32bit
interfaces. It was done that way to minimise breakage to old 32bit targets.
you can see some comments in http://openocd.zylin.com/#/c/2523/
Andreas F
On Thursday 08 September 2016 21:08:07 you wrote:
> I went ahead and reworked http://openocd.zylin.com/1200 and converted all my
> code ontop of that. So that's a very brief history why it was done this
> way.
I, too, think that was the correct approach.
>
> Now the question of Aarch32 and Aarch
Am 08.09.2016 um 23:08 schrieb David Ung:
> Andreas Fritiofson mentions there was already a patch in Gerrit that changes
> the target addresses throughout OpenOCD to a 64-bit type.
> http://openocd.zylin.com/1200
>
> This patch was a much bigger change which affects all targets but arguably
> w
On Sunday 11 September 2016 14:55:39 Andreas Färber wrote:
> Am 08.09.2016 um 23:08 schrieb David Ung:
> > Andreas Fritiofson mentions there was already a patch in Gerrit that
> > changes the target addresses throughout OpenOCD to a 64-bit type.
> > http://openocd.zylin.com/1200
> >
> > This patch
On Saturday 10 September 2016 23:27:15 Duane Ellis wrote:
> > Do you know if there's a method to read registers that is usable in
> > AArch32
> > and -64 execution states?
>
> NO - the basic technique is the same Insert an opcode - and use the DCC to
> transfer data, but the opcodes are totally di
On Sunday 11 September 2016 21:47:09 Matthias Welwarsky wrote:
> On Saturday 10 September 2016 23:27:15 Duane Ellis wrote:
> > > Do you know if there's a method to read registers that is usable in
> > > AArch32
> > > and -64 execution states?
> >
> > NO - the basic technique is the same Insert an
stack and read variables.
David
From: Matthias Welwarsky
Sent: Monday, September 12, 2016 12:39 AM
To: Duane Ellis
Cc: David Ung; openocd-devel@lists.sourceforge.net
Subject: Re: [OpenOCD-devel] OpenOCD Aarch64 support
On Sunday 11 September 2016 21:
sky
> Sent: Monday, September 12, 2016 12:39 AM
> To: Duane Ellis
> Cc: David Ung; openocd-devel@lists.sourceforge.net
> Subject: Re: [OpenOCD-devel] OpenOCD Aarch64 support
>
> On Sunday 11 September 2016 21:47:09 Matthias Welwarsky wrote:
> > On Saturday 10 September 2016 23:
s
> > Cc: David Ung; openocd-devel@lists.sourceforge.net
> > Subject: Re: [OpenOCD-devel] OpenOCD Aarch64 support
> >
> > On Sunday 11 September 2016 21:47:09 Matthias Welwarsky wrote:
> > > On Saturday 10 September 2016 23:27:15 Duane Ellis wrote:
> > > >
SCR.EL works.
BR,
Matthias
>
> BR,
> Matthias
>
> > > David
> > >
> > >
> > > From: Matthias Welwarsky
> > > Sent: Monday, September 12, 2016 12:39 AM
> > > To: Duane Ellis
> > > Cc: David Ung; openocd-devel@lists.sourceforge.
o get tx1 kernel to 'friendship'
with openocd ;)
i know it is not exactly what you wanted, but only speculations where to look
for
such code :)
>
> >
> > David
> >
> >
> > From: Matthias Welwarsky
> &
Am 13.09.2016 um 11:44 schrieb Jiri Kastner:
> On Tue, Sep 13, 2016 at 07:30:38AM +0200, Matthias Welwarsky wrote:
>> [...] can anyone share some code to switch a PE to Aarch32 mode?
>> I'm on Rpi3, using a custom little program that does nothing but set up the
>> GPIOs and then execute an endles
On Tuesday 13 September 2016 13:15:03 Andreas Färber wrote:
> Am 13.09.2016 um 11:44 schrieb Jiri Kastner:
> > On Tue, Sep 13, 2016 at 07:30:38AM +0200, Matthias Welwarsky wrote:
> >> [...] can anyone share some code to switch a PE to Aarch32 mode?
> >> I'm on Rpi3, using a custom little program th
Am 13.09.2016 um 13:35 schrieb Matthias Welwarsky:
> On Tuesday 13 September 2016 13:15:03 Andreas Färber wrote:
>> Am 13.09.2016 um 11:44 schrieb Jiri Kastner:
>>> hikey:
>>> during boot, switches from aarch32 to aarch64. not sure, if it is part of
>>> non-free bootloader (signed??) or hikey edk
On Tue, Sep 13, 2016 at 01:15:03PM +0200, Andreas Färber wrote:
> Am 13.09.2016 um 11:44 schrieb Jiri Kastner:
> > On Tue, Sep 13, 2016 at 07:30:38AM +0200, Matthias Welwarsky wrote:
> >> [...] can anyone share some code to switch a PE to Aarch32 mode?
> >> I'm on Rpi3, using a custom little progr
Am 13.09.2016 um 15:53 schrieb Jiri Kastner:
> On Tue, Sep 13, 2016 at 01:15:03PM +0200, Andreas Färber wrote:
>> Am 13.09.2016 um 11:44 schrieb Jiri Kastner:
>>> jetson tx1:
>>> userspace part of linux4tegra for jetson tx1 releases are both, armv7hl
>>> and aarch64, while kernel is compiled for
t: Re: [OpenOCD-devel] OpenOCD AArch64 support
Am 13.09.2016 um 15:53 schrieb Jiri Kastner:
> On Tue, Sep 13, 2016 at 01:15:03PM +0200, Andreas Färber wrote:
>> Am 13.09.2016 um 11:44 schrieb Jiri Kastner:
>>> jetson tx1:
>>> userspace part of linux4tegra for jetso
ember 13, 2016 7:31 AM
> To: Jiri Kastner
> Cc: Duane Ellis; Alexander Graf; openocd-devel
> Subject: Re: [OpenOCD-devel] OpenOCD AArch64 support
>
> Am 13.09.2016 um 15:53 schrieb Jiri Kastner:
> > On Tue, Sep 13, 2016 at 01:15:03PM +0200, Andreas Färber wrote:
> >>
On Tuesday 13 September 2016 22:23:11 Matthias Welwarsky wrote:
> On Tuesday 13 September 2016 20:08:46 David Ung wrote:
> > FWIW, on linux as long as CONFIG_COMPAT is enabled, you can run both
> > AArch64/32 userspace programs. But the mode switching is done at an
> > exception level, so you can'
>> What might (should?) work in my particular case is, since I'm starting from
>> EL2:
>>
>> - Modify SPSR_EL2, setting bit 4 = 1 and bits 3:0 to some valid aarch32 mode
>> (0x3 - svc mode)
>> - set ELR_EL2 to a memory location with valid ARM code
>> - "ERET"
>
> OK it "somewhat" worked. I get t
On Wednesday 14 September 2016 08:12:01 Duane Ellis wrote:
> >> What might (should?) work in my particular case is, since I'm starting
> >> from
> >> EL2:
> >>
> >> - Modify SPSR_EL2, setting bit 4 = 1 and bits 3:0 to some valid aarch32
> >> mode (0x3 - svc mode)
> >> - set ELR_EL2 to a memory loc
For your general amusement, here's the current work-in-progress:
https://github.com/sysgo-maw/openocd-aarch64
On Wednesday 14 September 2016 21:09:31 Matthias Welwarsky wrote:
> On Wednesday 14 September 2016 08:12:01 Duane Ellis wrote:
> > >> What might (should?) work in my particular case is, s
On Thursday 08 September 2016 11:14:50 Matthias Welwarsky wrote:
> Let me fill you in on my current state:
So, the current current state can be found here:
http://openocd.zylin.com/3832 (checkout to get the full branch)
It's actually quite usable, but not yet fully functional.
What I know to
On Thursday 08 September 2016 11:14:50 Matthias Welwarsky wrote:
> Let me fill you in on my current state:
So, the current current state can be found here:
http://openocd.zylin.com/3832 (checkout to get the full branch)
It's actually quite usable, but not yet fully functional.
What I know to
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