Re: [PATCH 4/4] Code refactor xilinx-zynq BSP MMU initialization

OK, thanks all for the views. That gave plenty insight into the details I had not thought of earlier. Clearly not the way to go. But then is such refactoring a good idea? These changes even if modified will apply only to cp15 ARM BSPs. On 24 Aug 2015 21:20, "Pavel Pisa" wrote: > Hello Chris and

Re: Fwd: SMP support for Raspberry Pi 2

On Wed, Aug 12, 2015 at 1:29 AM, Joel Sherrill wrote: > > > On 8/11/2015 2:06 PM, Rohini Kulkarni wrote: > >> Hi, >> >> I would have to register the related mailbox interrupt and associate it >> with a handler that should be same as >> _SMP_Inter

Re: [PATCH 4/4] Code refactor xilinx-zynq BSP MMU initialization

On Fri, Aug 14, 2015 at 12:41 PM, Rohini Kulkarni wrote: > > > On Fri, Aug 14, 2015 at 8:33 AM, Chris Johns wrote: > >> On 14/08/2015 7:44 am, Rohini Kulkarni wrote: >> > --- >> > >> > -BSP_START_DATA_SECTION static const arm_cp15_sta

Re: [PATCH 4/4] Code refactor xilinx-zynq BSP MMU initialization

On Fri, Aug 14, 2015 at 8:33 AM, Chris Johns wrote: > On 14/08/2015 7:44 am, Rohini Kulkarni wrote: > > --- > > > > -BSP_START_DATA_SECTION static const arm_cp15_start_section_config > > -zynq_mmu_config_table[] = { > > +BSP_START_DATA_SECTION co

[PATCH] Code refactor changes to mm.h and mminit.c

--- c/src/lib/libbsp/arm/shared/mminit.c | 17 +++-- c/src/lib/libbsp/shared/include/mm.h |5 - 2 files changed, 15 insertions(+), 7 deletions(-) diff --git a/c/src/lib/libbsp/arm/shared/mminit.c b/c/src/lib/libbsp/arm/shared/mminit.c index acfbfc0..f2617f8 100644 --- a/c/s

[PATCH 3/4] Code refactor realview-pbx-a9 BSP MMU initialization

--- c/src/lib/libbsp/arm/realview-pbx-a9/Makefile.am |4 +++ .../arm/realview-pbx-a9/startup/bspstarthooks.c| 27 ++-- 2 files changed, 17 insertions(+), 14 deletions(-) diff --git a/c/src/lib/libbsp/arm/realview-pbx-a9/Makefile.am b/c/src/lib/libbsp/arm/realview-pbx-

[PATCH 4/4] Code refactor xilinx-zynq BSP MMU initialization

--- c/src/lib/libbsp/arm/xilinx-zynq/Makefile.am |4 +++ .../libbsp/arm/xilinx-zynq/startup/bspstartmmu.c | 27 ++-- 2 files changed, 17 insertions(+), 14 deletions(-) diff --git a/c/src/lib/libbsp/arm/xilinx-zynq/Makefile.am b/c/src/lib/libbsp/arm/xilinx-zynq/Makef

[PATCH 1/4] Code refactor altera-cyclone-V MMU initialization

--- c/src/lib/libbsp/arm/altera-cyclone-v/Makefile.am |4 .../arm/altera-cyclone-v/startup/bspstarthooks.c | 22 2 files changed, 13 insertions(+), 13 deletions(-) diff --git a/c/src/lib/libbsp/arm/altera-cyclone-v/Makefile.am b/c/src/lib/libbsp/arm/altera-cycl

[PATCH 2/4] Code refactor Beagle BSP MMU initialization

--- c/src/lib/libbsp/arm/beagle/Makefile.am |4 c/src/lib/libbsp/arm/beagle/startup/bspstartmmu.c | 25 ++--- 2 files changed, 16 insertions(+), 13 deletions(-) diff --git a/c/src/lib/libbsp/arm/beagle/Makefile.am b/c/src/lib/libbsp/arm/beagle/Makefile.am ind

Re: Fwd: SMP support for Raspberry Pi 2

hardware/raspberrypi/bcm2836/QA7_rev3.4.pdf> , are quite different from the ones for Pi 1. [3] Can the same mailbox interface as Pi1 be used? Thanks. On Wed, Aug 12, 2015 at 1:29 AM, Joel Sherrill wrote: > > > On 8/11/2015 2:06 PM, Rohini Kulkarni wrote: > >> Hi, >> >

Re: Fwd: Re: [PATCH] GSoC: Cache configurations Raspberry Pi 2 support

On 12 Aug 2015 11:38, "Chris Johns" wrote: > > On 12/08/2015 6:02 am, Rohini Kulkarni wrote: > > Yes I have tried this. Didn't work out :( > > What was the reason ? > > I do not remembering seeing it. I didn'

Re: Fwd: Re: [PATCH] GSoC: Cache configurations Raspberry Pi 2 support

01:57:44 -0500 > From: Sebastian Huber > To: Rohini Kulkarni , Gedare Bloom > CC: rtems-de...@rtems.org > > > > On 24/07/15 21:55, Rohini Kulkarni wrote: > >> Hi, >> >> I have attached the report containing outputs of arm-rtems4.11-size >> and ar

Re: Fwd: SMP support for Raspberry Pi 2

/bootstrap > cd ../.. > mkdir b-doc > cd b-doc > $r/doc/configure --enable-maintainer-mode \ > --prefix=DIRECTORY > make > make install > > That should be similar to how it is built. > > --joel > > > On 8/10/2015 1:35 PM, Rohini Kulkarni wrote: > &

Re: [PATCH] GSoC: Cache configurations Raspberry Pi 2 support

hat overlaps with the > segment that catches most of the RW memory. > > Gedare > > On Mon, Aug 10, 2015 at 4:23 PM, Rohini Kulkarni > wrote: > > I did a readelf on the rki elf. I have attached the file. Is this > > information helping in anyway? > > > > On Wed, A

Re: SMP support for Raspberry Pi 2

5 3:17:01 PM CDT, Rohini Kulkarni > wrote: > >Can mailboxes be useful here? Nothing else that is coming to my mind > > > > They may be and I am seeing references to ARM's own mpcore which uses the > GIC. This appears to be SOC specific but ARM has recommendati

Re: SMP support for Raspberry Pi 2

Can mailboxes be useful here? Nothing else that is coming to my mind On Sun, Aug 9, 2015 at 1:44 AM, Rohini Kulkarni wrote: > Hi, > > I am stuck at how to set up IPI for Pi 2. This > <https://www.raspberrypi.org/documentation/hardware/raspberrypi/bcm2836/QA7_rev3.4.pdf> >

Re: SMP support for Raspberry Pi 2

errill wrote: > > > On 7/31/2015 8:11 AM, Rohini Kulkarni wrote: > >> Hi, >> >> How is the number of processors to be used for an application specified? >> The used count minimum of that supported in hardware and that configured. >> How to specify the lat

Re: [PATCH] GSoC: Cache configurations Raspberry Pi 2 support

On Wed, Aug 5, 2015 at 1:47 AM, Gedare Bloom wrote: > On Tue, Aug 4, 2015 at 2:18 PM, Rohini Kulkarni > wrote: > > > > > > On Tue, Jul 28, 2015 at 5:51 AM, Pavel Pisa > wrote: > >> > >> Hello Rohini and Gedare, > >> > >> On Frid

Re: [PATCH] GSoC: Cache configurations Raspberry Pi 2 support

On 5 Aug 2015 01:47, "Gedare Bloom" wrote: > > On Tue, Aug 4, 2015 at 2:18 PM, Rohini Kulkarni wrote: > > > > > > On Tue, Jul 28, 2015 at 5:51 AM, Pavel Pisa wrote: > >> > >> Hello Rohini and Gedare, > >> > >> On Friday 24 o

Re: [PATCH] GSoC: Cache configurations Raspberry Pi 2 support

to the > waste is not so important. > I didn't quite get what this means. I have no clue on how to proceed with this. > > Best wishes, > > Pavel > > On Friday 24 of July 2015 21:55:00 Rohini Kulkarni wrote: > > Hi, > > > > I have attache

Re: SMP support for Raspberry Pi 2

Hi, How is the number of processors to be used for an application specified? The used count minimum of that supported in hardware and that configured. How to specify the latter? Thanks. On 29 Jul 2015 15:29, "Sebastian Huber" wrote: > > > On 29/07/15 11:52, Rohini Kulkarni w

Re: SMP support for Raspberry Pi 2

On Tue, Jul 28, 2015 at 12:24 PM, Sebastian Huber < sebastian.hu...@embedded-brains.de> wrote: > Hello Rohini, > > please use the devel list. > > On 28/07/15 07:41, Rohini Kulkarni wrote: > >> Hi, >> >> I wish to understand where the interprocessor inte

Re: [PATCH] GSoC: Cache configurations Raspberry Pi 2 support

On Fri, Jul 24, 2015 at 7:03 PM, Gedare Bloom wrote: > On Fri, Jul 24, 2015 at 3:30 AM, Rohini Kulkarni > wrote: > > On 24 Jul 2015 12:35, "Sebastian Huber" < > sebastian.hu...@embedded-brains.de> > > wrote: > >> > >> > >> &g

Re: [PATCH] GSoC: Cache configurations Raspberry Pi 2 support

On 24 Jul 2015 12:35, "Sebastian Huber" wrote: > > > On 23/07/15 23:24, Rohini Kulkarni wrote: > >> I could finally get back to this issue. I used Pi 1 for debugging, but >> the reason for this problem will apply to Pi 2 also. >> With text section set

Re: [PATCH] GSoC: Cache configurations Raspberry Pi 2 support

On Tue, Jun 23, 2015 at 4:27 PM, Rohini Kulkarni wrote: > > > > On Tue, Jun 23, 2015 at 1:44 PM, Sebastian Huber < > sebastian.hu...@embedded-brains.de> wrote: > >> Please avoid unnecessary white-space changes and white-space at the end >> of line. >> &

Raspberry Pi 2 SMP debug

Hi, I need to debug my code to check what is going wrong with SMP initialization. Any suggestions on how I can go about this in the absence of actual debugging hardware? Thanks. -- Rohini Kulkarni ___ devel mailing list devel@rtems.org http

Re: SMP support for Raspberry Pi 2

es, you need to run > sb-bootstrap again. > > On Sun, Jul 12, 2015 at 7:05 AM, Rohini Kulkarni > wrote: > > Hi, > > > > I don't have #define RTEMS_SMP 1 in cpuopts.h. > > > > Have made changes only to libbsp/arm/raspberrypi/configure . > > >

Re: [PATCH] Code refactor: Changes to memory management initialization

Hi, Please review the changes. I will work on the suggestions and make the required modifications. Thanks. On 9 Jul 2015 19:24, wrote: From: Rohini Kulkarni --- c/src/lib/libbsp/arm/raspberrypi/Makefile.am |1 + c/src/lib/libbsp/arm/raspberrypi/include/bsp.h | 14

Re: SMP support for Raspberry Pi 2

1-09 > E-Mail : sebastian.huber at embedded-brains.de > <http://lists.rtems.org/mailman/listinfo/devel> > PGP : Public key available on request. > > > Diese Nachricht ist keine geschäftliche Mitteilung im Sinne des EHUG. > > -- Rohini Kulkarni

Re: SMP support for Raspberry Pi 2

am missing. Thanks. On 3 Jul 2015 22:43, "Joel Sherrill" wrote: > > > On July 3, 2015 11:53:07 AM CDT, Rohini Kulkarni > wrote: > >Any help that I can with this? > > > >On 1 Jul 2015 16:59, "Rohini Kulkarni" wrote: > > > >Hi all, &g

Re: Code refactor for ARM bsp MMU initialization

Hi, I have made the suggested changes. git send-email is failing to send the patch, need to settle it. Please review the attached file. Thanks. On Wed, Jul 8, 2015 at 7:04 PM, Sebastian Huber < sebastian.hu...@embedded-brains.de> wrote: > > > On 08/07/15 15:10, Rohini

Re: SMP support for Raspberry Pi 2

On Wed, Jul 8, 2015 at 6:25 PM, Sebastian Huber < sebastian.hu...@embedded-brains.de> wrote: > > > On 08/07/15 14:54, Rohini Kulkarni wrote: > >> This piece of code gets the configured number of CPUs. I suppose this >> number is not specified and will have to b

Re: SMP support for Raspberry Pi 2

have to be specified by me somewhere in the configurations. But I am unable to find out where. Thanks! On Sat, Jul 4, 2015 at 4:07 PM, Rohini Kulkarni wrote: > > > On Fri, Jul 3, 2015 at 10:43 PM, Joel Sherrill > wrote: > >> >> >> On July 3, 2015 11:53:07 AM CDT, Roh

Code refactor for ARM bsp MMU initialization

.h @@ -33,6 +33,10 @@ extern "C" { * @brief MM Support Package */ +extern uint32_t bsp_initial_mmu_ctrl_set; +extern uint32_t bsp_initial_mmu_ctrl_clear; +extern uint32_t domain_set; + void bsp_memory_management_initialize(void); #ifdef __cplusplus -- 1

Re: SMP support for Raspberry Pi 2

On Fri, Jul 3, 2015 at 10:43 PM, Joel Sherrill wrote: > > > On July 3, 2015 11:53:07 AM CDT, Rohini Kulkarni > wrote: > >Any help that I can with this? > > > >On 1 Jul 2015 16:59, "Rohini Kulkarni" wrote: > > > >Hi all, > > > >I w

Re: SMP support for Raspberry Pi 2

Any help that I can with this? On 1 Jul 2015 16:59, "Rohini Kulkarni" wrote: > Hi all, > > I wish to know where the maximum number of processors for a variant are > configured. I took a look at some configure scripts. I could see the > processor count defined for xilinx-

SMP support for Raspberry Pi 2

configured number. But I don't know from where. Also where is RTEMS_SMP defined for a bsp? Thanks. -- Rohini Kulkarni ___ devel mailing list devel@rtems.org http://lists.rtems.org/mailman/listinfo/devel

SMP on ARM

. Is there something else that can be done? [3] Where do the other cores start waiting for an interrupt from primary core. Where does the interprocessor interrupt come into picture. Thanks! -- Rohini Kulkarni ___ devel mailing list devel@rtems.org http

Re: [PATCH] GSoC: Cache configurations Raspberry Pi 2 support

rectify it. > > On 22/06/15 22:59, Rohini Kulkarni wrote: > >> --- >> .../arm/raspberrypi/startup/mm_config_table.c | 18 +++ >> c/src/lib/libbsp/arm/shared/mminit.c | 23 >> >> 2 files changed, 32 in

[PATCH] GSoC: Cache configurations Raspberry Pi 2 support

void) arm_cp15_start_mmu_config_table_size ); } +#endif \ No newline at end of file -- 1.7.9.5 -- Rohini Kulkarni ___ devel mailing list devel@rtems.org http://lists.rtems.org/mailman/listinfo/devel

Re: GSoC 2015: Raspberry Pi 2 Support

:) There is very little code that had to be added. I need to clean the code and add conditional call for Pi 2. Then I would be ready to submit a patch. On 22 Jun 2015 00:52, "Gedare Bloom" wrote: > On Sun, Jun 21, 2015 at 3:04 PM, Rohini Kulkarni > wrote: > > I missed me

Re: GSoC 2015: Raspberry Pi 2 Support

I missed mentioning the number of dhrystones in the previous mail. Originally it was 1 million. The new number of dhrystones I executed is 100 million. On Mon, Jun 22, 2015 at 12:29 AM, Rohini Kulkarni wrote: > Hi all, > > I have managed to get a significant performance improvement

Re: GSoC 2015: Raspberry Pi 2 Support

tely 8 to 250 :) Thanks! On Sun, Jun 21, 2015 at 1:32 AM, Rohini Kulkarni wrote: > Hi, > > I have added an SMP related post to my blog to define where exactly in the > code I need to work. Some feedback to indicate if I am identifying the work > area correctly would be

Re: GSoC 2015: Raspberry Pi 2 Support

_cpu/cpu.h file. > > - Am 20. Jun 2015 um 22:02 schrieb Rohini Kulkarni < > krohini1...@gmail.com>: > > Hi, > > I have added an SMP related post to my blog to define where exactly in the > code I need to work. Some feedback to indicate if I am identifying th

Re: GSoC 2015: Raspberry Pi 2 Support

Hi, I have added an SMP related post to my blog to define where exactly in the code I need to work. Some feedback to indicate if I am identifying the work area correctly would be very helpful! Thanks! On 18 Jun 2015 03:37, "Rohini Kulkarni" wrote: > Hi all, > > I have

Re: GSoC 2015: Raspberry Pi 2 Support

ww.raspberrypi.org/forums/viewtopic.php?f=72&t=98904 > > When it comes to the Pi 2 and SMP, you are our RTEMS expert :) > > Thanks, > Alan > > > On Sat, Jun 13, 2015 at 2:29 PM, Rohini Kulkarni > wrote: > >> Hi, >> >> This is regarding Pi 2 SMP su

Re: GSoC 2015: Raspberry Pi 2 Support

at figuring out this address. How should I go about understanding this? Thanks! On 3 Jun 2015 19:44, "Gedare Bloom" wrote: > On Wed, Jun 3, 2015 at 2:39 AM, Rohini Kulkarni > wrote: > > But, I can't say cache configurations have a role here. > > > > I&#x

Re: GSoC 2015: Raspberry Pi 2 Support

But, I can't say cache configurations have a role here. I'll push my code to my github project soon. P.S. The Pi2 board I possess seems to have broken down. It just isn't turning on. Unable to test further. Will order one immediately. On 3 Jun 2015 09:03, "Rohini Kul

Re: GSoC 2015: Raspberry Pi 2 Support

ntrol=0x1000 > It would be worth trying that option to see if the benchmark speeds up. > > > Alan > > On Jun 2, 2015, at 8:05 AM, Hesham ALMatary > wrote: > > On Tue, Jun 2, 2015 at 12:41 PM, Rohini Kulkarni > wrote: > > From what I saw, they have to be enabled s

Re: GSoC 2015: Raspberry Pi 2 Support

ib/libbsp/arm/shared/mminit.c > > On Tue, Jun 2, 2015 at 12:18 PM, Joel Sherrill > wrote: > > > > > > On June 2, 2015 7:01:21 AM EDT, Rohini Kulkarni > wrote: > >>Dr. Joel, > >> > >>So we can't say something solely on the basis of this

Re: GSoC 2015: Raspberry Pi 2 Support

Dr. Joel, So we can't say something solely on the basis of this result? On 2 Jun 2015 16:28, "Rohini Kulkarni" wrote: > I have not run it under linux on pi2 yet. Will have to run and check the > result. > On 2 Jun 2015 16:16, "Joel Sherrill" wrote: > &g

Re: GSoC 2015: Raspberry Pi 2 Support

I have not run it under linux on pi2 yet. Will have to run and check the result. On 2 Jun 2015 16:16, "Joel Sherrill" wrote: > > > On June 2, 2015 5:58:33 AM EDT, Rohini Kulkarni > wrote: > >HI, > > > >I tried running the dhrystone benchmark w

Re: GSoC 2015: Raspberry Pi 2 Support

caches disabled. I have been working on this since two days and could not figure out an improvement. Any pointers? Thanks. On Thu, May 28, 2015 at 8:41 PM, Rohini Kulkarni wrote: > Hi All, > > I have to implement the cache coherency support for Cortex A7. But for A7 > MPCore, unli

Re: GSoC 2015: Raspberry Pi 2 Support

Control Register which enables cache broadcast operations. The register format is different for A7 and again I am unable to find how to achieve the same for A7. Thanks! On Tue, May 5, 2015 at 10:42 PM, Joel Sherrill wrote: > > > On 5/5/2015 11:11 AM, Rohini Kulkarni wrote: > &g

GSoC 2015: Raspberry Pi 2 Support

are welcome Thanks! On 1 May 2015 12:45, "Rohini Kulkarni" wrote: > > Hi, > > Excited to be a part of this edition of GSoC! Thanks to everybody for > helping me get here and congratulations to all the participating students! > > So, now getting to work, firstly I

GSoC 2015: Raspberry Pi 2 Support

. Secondly, are there any specifics for the development blog that we need to create for the project? Over time what is the blog expected to convey. Also, I have to create a new wiki page for my project as none exists. I want to know how to add one. -- Rohini Kulkarni

Re: GS0C 2015-Hello Word

Hi, I was yet to submit the patch for hello world. Attaching it here. On Thu, Mar 26, 2015 at 7:15 PM, Gedare Bloom wrote: > Yes this is acceptable, thanks! Please post your patch too. > -Gedare > > On Thu, Mar 26, 2015 at 1:07 AM, Rohini Kulkarni > wrote: > > Hi All,

Re: GSoC Raspberry pi 2 project

. Thanks! On 21 Mar 2015 10:40, "Rohini Kulkarni" wrote: Hello, I had a look at updated the project groups for raspberry pi improvements for my proposal. Because I had not tracked the page for a few days I was not aware that the Raspberry pi 2 support tasks had been defined. As I had

Raspberry pi 2 project

Hello, I had a look at updated the project groups for raspberry pi improvements for my proposal. Because I had not tracked the page for a few days I was not aware that the Raspberry pi 2 support tasks had been defined. As I had also asked about SMP support earlier, this projects interests me more.

Re: RTEMS build problem

OK! I need to add this path to $PATH. Got it. Thanks! On Thu, Mar 19, 2015 at 1:30 PM, Chris Johns wrote: > On 19/03/2015 6:23 pm, Rohini Kulkarni wrote: > >> To tell exactly what I am doing, this is how I am updating the autoconf >> everytime with reference from

Re: RTEMS build problem

PATH=~/development/rtems/4.11/bin:$PATH $ ../source-builder/sb-set-builder --log=l-4.11-sparc.txt --prefix=$HOME/development/rtems/4.11 4.11/rtems-sparc On Thu, Mar 19, 2015 at 12:41 PM, Chris Johns wrote: > On 19/03/2015 4:49 pm, Rohini Kulkarni wrote: > >> >> There is an iss

RTEMS build problem

Hi! There is an issue I've run into a few times. Everytime I run bootstrap script for rtems(say after restarting my machine) the bootstrap says autoconf version is not updated. So I have to build the toolset every such time when I have already built it and only want to compile rtems. Is there som

Re: GSoC 2015 - Raspberry Pi improvements

some help to figure out booting RTEMS on the board. Thanks! On 11 Mar 2015 19:29, "Gedare Bloom" wrote: > On Wed, Mar 11, 2015 at 9:52 AM, Rohini Kulkarni > wrote: > > Hi, > > > > I am interested in contributing to this project. I referred the page > > R

GSoC 2015 - Raspberry Pi improvements

Hi, I am interested in contributing to this project. I referred the page Raspberry Pi improvements and also took a look at the work done under GSoc2013

GSOC 2015 - SMP Projects

Hi All, I am interested in doing a project under SMP (Improvements to SMP support). Are there any suitable SMP projects which can be undertaken as part of GSOC. However,I do not have an experience with such kind of development. Thanks! ___ devel mailing

Re: Starting with RTEMS

nd boards, what kind do you > > have? > > > > P.S., As a "could you help be to use this" kind o' question, this one'd > > probably be best on the users@ list :-) > Good answer and I will pitch in t

Starting with RTEMS

Hi, I am trying to build RTEMS for arm. I want to know what --enable -rtemsbsp in config does, when building RTEMS. Thank you. -- Rohini Kulkarni ___ devel mailing list devel@rtems.org http://lists.rtems.org/mailman/listinfo/devel

Starting with RTEMS

Hi, I am new to RTEMS. I am aware of the GSOC Getting Started page. I have gone through the list of open projects, For a start, what background do i need to build with respect to RTEMS before choosing any particular project. Thank you. -- Rohini Kulkarni

Submit proof for GSOC

Hi I followed the GSOC Getting Started and have made changes to the Hello world program. How is the proof to be submitted? Thank You. -- Rohini Kulkarni ___ devel mailing list devel@rtems.org http://lists.rtems.org/mailman/listinfo/devel