Re: JITs and 52-bit VA

2016-06-22 Thread Christopher Covington
+Andy, Cyrill, Dmitry who have been discussing variable TASK_SIZE on x86 on linux-mm http://marc.info/?l=linux-mm&m=146290118818484&w=2 >>> On 04/28/2016 09:00 AM, Maxim Kuvyrkov wrote: This is a summary of discussions we had on IRC between kernel and toolchain engineers regarding suppo

Re: [meta-linaro 2/2] genericarmv8: add the support for boot from qemu

2015-01-19 Thread Christopher Covington
Hi Kevin, On 01/19/2015 06:29 AM, Kevin Hao wrote: > These are needed when we want to boot from qeumu. > > Signed-off-by: Kevin Hao > --- > meta-aarch64/conf/machine/genericarmv8.conf | 4 > 1 file changed, 4 insertions(+) > > diff --git a/meta-aarch64/conf/machine/genericarmv8.conf > b/

Re: can I flush the icache on armv8 from user mode

2014-09-03 Thread Christopher Covington
On 08/29/2014 07:52 AM, Ard Biesheuvel wrote: > On 29 August 2014 13:02, Edward Nevill wrote: >> We have a need on OpenJDK to flush the entire icache. Basically this >> need occurs when we do a garbage collection which may include garbage >> collection and patching of the dynamically generated cod

Re: FVP model + processors

2014-02-05 Thread Christopher Covington
Mv8A as I understand it) or Foundation_v8 as a work-around. Christopher > On Tue, Feb 4, 2014 at 2:05 PM, Christopher Covington > wrote: >> On 02/04/2014 02:54 PM, Tom Gall wrote: >>> Hi All, >>> >>> Does anyone know of a way to go down to just one processor

Re: FVP model + processors

2014-02-04 Thread Christopher Covington
On 02/04/2014 02:54 PM, Tom Gall wrote: > Hi All, > > Does anyone know of a way to go down to just one processor running the > armv8 FVP model? > > This gets it down to 2 but this seems to be the minimum. > > -C cluster0.NUM_CORES=1 \ > -C cluster1.NUM_CORES=1 \ The VE model variant can do unip

Re: aarch64 fails to boot in model

2014-01-16 Thread Christopher Covington
On 01/16/2014 10:38 AM, Tom Gall wrote: > I don't even get into the kernel. Remember the error I'm getting is this: > > The default boot selection will start in 1 seconds > ERROR: Did not find Linux kernel. > [1] Linaro disk image on virtio > - VenHw(C5B9C74A-6D72-4719-99AB-C59F199091EB)

Re: aarch64 fails to boot in model

2014-01-16 Thread Christopher Covington
Hi Tom, >>> On 16 January 2014 02:18, Tom Gall wrote: To add. Here's how I'm invoking the model: + /home/tgall/aarch64/FVP/models/Linux64_GCC-4.1/FVP_Base_AEMv8A-AEMv8A -C pctl.startup=0.0.0.0 -C bp.secure_memory=0 -C cluster0.NUM_CORES=4 -C cluster1.NUM_CORES=4 -C cache_

Re: Anyone using virtio on armv7?

2014-01-06 Thread Christopher Covington
Hi Ryan, On 01/06/2014 05:27 PM, Ryan Harkin wrote: > On 6 January 2014 20:26, Peter Maydell > wrote: > > On 6 January 2014 19:46, Ryan Harkin > wrote: > > Hello, > > > > I'm trying to fire up an ARM fastmodel u

Re: Ubuntu-based image for use with foundation model

2013-11-27 Thread Christopher Covington
Hi Wookey, On 11/27/2013 10:58 AM, Wookey wrote: > +++ Michael Hudson-Doyle [2013-11-27 10:51 +1300]: >> Hi all, >> >> Do we have, or do we have plans for, an image that's based on Ubuntu >> that's usable with the foundation model? The only part I don't know how >> to do for myself is build the .

Re: Ubuntu-based image for use with foundation model

2013-11-27 Thread Christopher Covington
Hi Richard, On 11/27/2013 10:27 AM, Richard Earnshaw wrote: > On 27/11/13 15:07, Christopher Covington wrote: >> By the way I find the terminology of "AXF" very confusing. As far as I >> understand it, AXF is essentially synonymous with the ARM ELF file format. >>

Re: Ubuntu-based image for use with foundation model

2013-11-27 Thread Christopher Covington
Hi Peter, On 11/27/2013 10:20 AM, Peter Maydell wrote: > On 27 November 2013 15:07, Christopher Covington wrote: >> Are there instructions for running this stuff on QEMU? > > There's no 64 bit system emulation support in QEMU just yet, so > the first item in the instruc

Re: Ubuntu-based image for use with foundation model

2013-11-27 Thread Christopher Covington
Hi Ryan, On 11/27/2013 01:49 AM, Ryan Harkin wrote: > On 26 November 2013 21:51, Michael Hudson-Doyle > wrote: > > Hi all, > > Do we have, or do we have plans for, an image that's based on Ubuntu > that's usable with the foundation model? The only

Re: [question]multi-arch support for arm and arm64

2013-10-18 Thread Christopher Covington
Hi Wookey, On 10/18/2013 11:49 AM, Wookey wrote: > +++ Christopher Covington [2013-10-18 10:25 -0400]: > > I still haven't determined to my satisfaction whether the linaro binary > (cross) toolchains > can be used for multiarch cross-building by just moving files &g

Re: [question]multi-arch support for arm and arm64

2013-10-18 Thread Christopher Covington
On 10/17/2013 07:21 AM, Zhou Zhu wrote: > So how does the libraries place in the rootfs? like lib/lib64 as in x86/x64? > Is there any similar rule in arm/arm64 system (whatever > openebedded/ubuntu/android/...) for that? Like multi arch spec in ubuntu? OpenEmbedded unfortunately does not support m

Re: armv8: [building from source] openembedded

2013-09-04 Thread Christopher Covington
Hi Phi, On 09/04/2013 04:18 PM, Phi Debian wrote: > On Wed, Sep 4, 2013 at 9:46 PM, Nicolas Dechesne >> To install repo, you need to follow the instructions here >> http://source.android.com/source/downloading.html. >> >> I agree that this is missing from the Linaro ARMv8 release notes >> https://

Re: Can't boot my fresh build armv8 linaro kernel/

2013-08-23 Thread Christopher Covington
Hi Phi, On 08/23/2013 10:55 AM, Phi Debian wrote: > Using > .config - Linux/arm64 3.11.0-rc6 Kernel Configuration > > I got > Device Drivers ---> > | |[ ] Virtualization drivers (NEW) | | > | |Virtio drivers --->

Re: Can't boot my fresh build armv8 linaro kernel/

2013-08-23 Thread Christopher Covington
og? Christopher > On Thu, Aug 22, 2013 at 5:09 PM, Christopher Covington > wrote: >> Hi Phi, >> >> On 08/22/2013 02:22 AM, Phi Debian wrote: >>> Hi Christopher, >>> >>> Progress!!! giving the full path for FDT_SRC give make(1) success >>> I obta

Re: Can't boot my fresh build armv8 linaro kernel/

2013-08-22 Thread Christopher Covington
Hi Phi, On 08/22/2013 02:22 AM, Phi Debian wrote: > Hi Christopher, > > Progress!!! giving the full path for FDT_SRC give make(1) success > I obtained a linux-system-foundation.axf > > Note that I build linux-system-foundation.axf this way. > > make CROSS_COMPILE=aarch64-linux-gnu- BOOTARGS='"r

Re: Can't boot my fresh build armv8 linaro kernel/

2013-08-21 Thread Christopher Covington
On 08/21/2013 03:04 PM, Phi Debian wrote: > It is still a non trivial operation. > > I can built linus kernel, but I can't build the boot loader, the > > vexpress-foundation-v8.dts is missing, them > > make CROSS_COMPILE=aarch64-linux-gnu- BOOTARGS='"root=/dev/vda2 > consolelog=9 rw console=tty

Re: arndale board cannot write cp15 ,can someone help me?

2013-08-16 Thread Christopher Covington
gister from kernel modules but always > failed. > > > > 2013/8/16 Dai Yan mailto:kanshu...@gmail.com>> > > it seems that the all of cp15 registers cannot be written, > I try write it from kernel space(module). > > Best R

Re: arndale board cannot write cp15 ,can someone help me?

2013-08-15 Thread Christopher Covington
Hi Dai, On 08/15/2013 08:15 AM, Dai Yan wrote: > Hello, > > Maybe it's a stupid question. > > I want to modify cp15 register. Which register? > but I found that the register cannont be written,it can ony be read. Is this from user space or kernel space? > Could someone help me with that? >

Re: Hwpacks for OE builds?

2013-05-23 Thread Christopher Covington
Hi Tom, On 05/23/2013 08:55 AM, Tom Gall wrote: > Chiming in. > > We've been working to put together a linaro image with a graphics > stack that is based on xfce for OE. > > I really like the idea that OE should output an axf and img that both > the Foundation and RTSM models can utilize straigh

Re: Repo for Managing Git Repositories

2013-05-20 Thread Christopher Covington
Hi Nicolas, On 05/17/2013 09:20 AM, Nicolas Dechesne wrote: > > On Wed, Apr 3, 2013 at 2:24 PM, Christopher Covington <mailto:c...@codeaurora.org>> wrote: > > >> I notice you've created a number of shell scripts to manage checking > out >

Re: RTSM terminal_0 cannot display with linux-system-foundation.axf of linux-3.8

2013-05-03 Thread Christopher Covington
Hi Xiaoke, On 05/03/2013 05:08 AM, Wang Wei wrote: > Dear linaro members > > I want to build arm64 kernel according to the steps of > HowTo/BuildArm64Kernel. Then i use Foundatin_v8 with args such as > linux-system-foundation.axf,vexpress64-openembedded_lam-armv8_20130320-274.img. > But RTSM te

Re: Suggestion

2013-04-29 Thread Christopher Covington
On 04/29/2013 09:28 AM, Christopher Covington wrote: > On 04/28/2013 06:18 AM, Mark Brown wrote: >> On Wed, Apr 17, 2013 at 09:14:54AM -0400, Christopher Covington wrote: >>> On 04/17/2013 06:29 AM, Jon Medhurst (Tixy) wrote: >> >>>> And with gerrit the patch au

Re: Suggestion

2013-04-29 Thread Christopher Covington
On 04/28/2013 06:18 AM, Mark Brown wrote: > On Wed, Apr 17, 2013 at 09:14:54AM -0400, Christopher Covington wrote: >> On 04/17/2013 06:29 AM, Jon Medhurst (Tixy) wrote: > >>> And with gerrit the patch author needs to get an account enabled with the >>> project, pr

Re: Suggestion

2013-04-17 Thread Christopher Covington
Hi Jon, On 04/17/2013 06:29 AM, Jon Medhurst (Tixy) wrote: > On Wed, 2013-04-17 at 06:21 +0200, Jonathan Aquilina wrote: >> Doesnt email run the risk of a patch slipping through the cracks? > > And with gerrit the patch author needs to get an account enabled with the > project, produce a git comm

Re: Repo for Managing Git Repositories

2013-04-03 Thread Christopher Covington
On 04/02/2013 03:21 PM, Marcin Juszkiewicz wrote: > W dniu 02.04.2013 18:09, Christopher Covington pisze: >> Hi Marcin, >> >> I notice you've created a number of shell scripts to manage checking out >> multiple git repositories, specific revisions of git repositorie

Repo for Managing Git Repositories

2013-04-02 Thread Christopher Covington
Hi Marcin, I notice you've created a number of shell scripts to manage checking out multiple git repositories, specific revisions of git repositories for a release, etc. Repo [1] does this stuff pretty well that you might want to consider as an eventual alternative. 1. https://gerrit.googlesource

Re: [PATCH 02/24] xen/arm: hypercalls

2012-07-27 Thread Christopher Covington
On 07/27/2012 05:19 AM, Ian Campbell wrote: > On Thu, 2012-07-26 at 20:19 +0100, Christopher Covington wrote: >> Hi Stefano, >> >> On 07/26/2012 11:33 AM, Stefano Stabellini wrote: >>> Use r12 to pass the hypercall number to the hypervisor. >>> >>>

Re: [PATCH 02/24] xen/arm: hypercalls

2012-07-26 Thread Christopher Covington
Hi Stefano, On 07/26/2012 11:33 AM, Stefano Stabellini wrote: > Use r12 to pass the hypercall number to the hypervisor. > > We need a register to pass the hypercall number because we might not > know it at compile time and HVC only takes an immediate argument. You're not going to JIT assemble th