Re: Evaluating RTEMS performances (jitter)

Hello, Björn B. Brandenburg has done a lot work in this area: https://people.mpi-sws.org/~bbb/papers/ Maybe he has some tooling available. -- embedded brains GmbH & Co. KG Herr Sebastian HUBER Dornierstr. 4 82178 Puchheim Germany email: sebastian.hu...@embedded-brains.de phone: +49-89-1

Re: PowerPC/e500: how is FDT access supposed to work?

Hello Daniel, the QorIQ BSPs assume that they are started by U-Boot with a device tree provided: https://docs.rtems.org/branches/master/user/bsps/bsps-powerpc.html#qoriq-qoriq -- embedded brains GmbH & Co. KG Herr Sebastian HUBER Dornierstr. 4 82178 Puchheim Germany email: sebastia

Re: How to get a stack trace in RTEMS

r view of the interrupted context. For arm, the register_pc needs adjustments to get the real PC. -- embedded brains GmbH & Co. KG Herr Sebastian HUBER Dornierstr. 4 82178 Puchheim Germany email: sebastian.hu...@embedded-brains.de phone: +49-89-18 94 741 - 16 fax: +49-89-18 94 741

Re: How to get a stack trace in RTEMS

id)arg; printk("%08" PRIuPTR "\n", (uintptr_t)_Unwind_GetIP(ctx)); return _URC_NO_REASON; } static void f(int i); static void h(int i) { f(i + 1); } static void f(int i) { if (i > 10) { _Unwind_Backtrace(trace, NULL); } else { h(i + 1); } } -- embedded brains

Re: disable DCache on RTEMS SMP

On 22.05.24 17:53, Sebastian Huber wrote: On 19.04.24 08:45, Sebastian Huber wrote: Hello Stéphane, the rtems_cache_disable_data() has no real use case. It is quite difficult to implement and it is not unusual that its implementation is broken. I think on RTEMS 6 it should work for this BSP

Re: Classic API - Are there incompatibilites between schedulers and rtems_task_set_priority()?

). -- embedded brains GmbH & Co. KG Herr Sebastian HUBER Dornierstr. 4 82178 Puchheim Germany email: sebastian.hu...@embedded-brains.de phone: +49-89-18 94 741 - 16 fax: +49-89-18 94 741 - 08 Registergericht: Amtsgericht München Registernummer: HRB 157899 Vertretungsberechtigte Geschäftsfü

Re: disable DCache on RTEMS SMP

Herr Sebastian HUBER Dornierstr. 4 82178 Puchheim Germany email: sebastian.hu...@embedded-brains.de phone: +49-89-18 94 741 - 16 fax: +49-89-18 94 741 - 08 Registergericht: Amtsgericht München Registernummer: HRB 157899 Vertretungsberechtigte Geschäftsführer: Peter Rasmussen, Thomas Dörfler Un

Re: multiple definition of `_Semaphore_Wait', multiple definition of `_Semaphore_Post' , undefined reference to `__dso_handle'

probably missing. -- embedded brains GmbH & Co. KG Herr Sebastian HUBER Dornierstr. 4 82178 Puchheim Germany email: sebastian.hu...@embedded-brains.de phone: +49-89-18 94 741 - 16 fax: +49-89-18 94 741 - 08 Registergericht: Amtsgericht München Registernummer: HRB 157899 Vertretungsberecht

Re: “AW:” ?

by some super smart software from Redmond. -- embedded brains GmbH & Co. KG Herr Sebastian HUBER Dornierstr. 4 82178 Puchheim Germany email: sebastian.hu...@embedded-brains.de phone: +49-89-18 94 741 - 16 fax: +49-89-18 94 741 - 08 Registergericht: Amtsgericht München Registernummer: HRB 15

Re: RTEMS 5.0.0 GR712RC SMP Occasional Dropped Messages

(RTEMS 6). We spent a lot of time and effort into maturing the SMP support in particular for the GR712RC over the last years. This all went into RTMES 6 and not RTEMS 5. Kind regards, Sebastian -- embedded brains GmbH & Co. KG Herr Sebastian HUBER Dornierstr. 4 82178 Puchheim Germany e

Re: rtems6 master on darwin-x86_64 fails building: arm-rtems6-gcc-814ec21-newlib-fbc5496-x86_64-apple-darwin22.6.0-1

ocessed source if appropriate. See <https://gcc.gnu.org/bugs/> for instructions. So, GCC 10, 12, and 13 don't work on this macOS version. I updated the RTEMS 7 tools (GCC 14) right now, maybe this works: ../source-builder/sb-set-builder --prefix=${RTEMS_ROOT} 7/rtems-arm -- embedded b

Re: rtems6 master on darwin-x86_64 fails building: arm-rtems6-gcc-814ec21-newlib-fbc5496-x86_64-apple-darwin22.6.0-1

r 1 Ok, great. At least it is consistent. Maybe GCC 10 works. This bug should be reported to the GCC project. -- embedded brains GmbH Herr Sebastian HUBER Dornierstr. 4 82178 Puchheim Germany email: sebastian.hu...@embedded-brains.de phone: +49-89-18 94 741 - 16 fax: +49-89-18 94 741 -

Re: rtems6 master on darwin-x86_64 fails building: arm-rtems6-gcc-814ec21-newlib-fbc5496-x86_64-apple-darwin22.6.0-1

| if (FABS (d) >= RBIG) | ^~ Please submit a full bug report, with preprocessed source (by using -freport-bug). See <https://gcc.gnu.org/bugs/> for instructions. make[4]: *** [_divdc3.o] Error 1 Heinz On 18. Oct 2023, at 07:39, Sebastian Huber wrote: On 17.10.23

Re: rtems6 master on darwin-x86_64 fails building: arm-rtems6-gcc-814ec21-newlib-fbc5496-x86_64-apple-darwin22.6.0-1

ault: 11 2063 | if (FABS (d) >= RBIG) | ^~ Please submit a full bug report, with preprocessed source (by using -freport-bug). Does it work with this RSB: commit a536dfe98585b648de0c8f49321d057675993153 Author: Sebastian Huber Date: Mon Oct 9 07:43:43 2023 +0200 6/7: Update Newlib P

Re: Windows 11 - Compiling toolchain (5.3 and 6)

Hello Chris, some of our customers use WSL2 with Ubuntu, they reported no issues with the RSB build of RTEMS 6. If you want to build mingw tools, then I would build them on Linux with a mingw cross compiler. Kind regards, Sebastian -- embedded brains GmbH Herr Sebastian HUBER

Re: arm bsps: changing the float-abi to softfp

context during context switches and interrupt processing. If you really need such a multilib, then you can patch gcc/config/arm/t-rtems. I don't know if you can add custom patches to the RTEMS Source Builder. -- embedded brains GmbH Herr Sebastian HUBER Dornierstr. 4 82178 Puchheim Germany

Re: Issue with read() and flush()

ermios_device_lock_release (ctx, &lock_context); } If the characters are still in the UART FIFO, then they are not flushed. This could be fixed by calling the device ioctl handler in this function and additional device-specific handling. -- embedded brains GmbH Herr Sebastian HUBER Dornie

Re: Determining resource usage for BSP drivers

On 10.02.23 14:53, jan.som...@dlr.de wrote: -Original Message- From: users On Behalf Of Sebastian Huber Sent: Freitag, 10. Februar 2023 14:23 To:martinerikwerner@gmail.com;users@rtems.org Subject: Re: Determining resource usage for BSP drivers On 10.02.23 14:19,martinerikwerner

Re: Determining resource usage for BSP drivers

issue? Yes, it is quite difficult to do the resource accounting for the Classic API objects. We rewrote a lot of drivers to use the self-contained synchronization objects: https://docs.rtems.org/branches/master/c-user/self_contained_objects.html -- embedded brains GmbH Herr Sebastian HUBER

Re: RTEMS5 and network statistics

old network stack (it is included in RTEMS 5, in RTEMS 6 it was moved to a separate repository), the network statistics are BSP-specific. In the new network stack (libbsd), the statistics have a standard interface. -- embedded brains GmbH Herr Sebastian HUBER Dornierstr. 4 82178 Puchheim Germ

Re: Running two RTEMS instances on two RISC-V harts

RTEMS instances without synchronization. -- embedded brains GmbH Herr Sebastian HUBER Dornierstr. 4 82178 Puchheim Germany email: sebastian.hu...@embedded-brains.de phone: +49-89-18 94 741 - 16 fax: +49-89-18 94 741 - 08 Registergericht: Amtsgericht München Registernummer: HRB 1

Re: RTEMS5 and file descriptors

EMS kqueue implementation doesn't notify when a TCP connection is closed by reset.  I think this is a lack of NOTE_EOF *. Thanks. I cannot find a ticket for this? Do you know if one has been created? This looks like a general FreeBSD limitation. -- embedded brains GmbH Herr Sebastian HUBER Dornierstr. 4

Re: Is most drivers interfaces should be driver or application specific?

t use the IO Manager for new drivers. It would introduced overheads and leads to difficult to use interfaces (ioctl). -- embedded brains GmbH Herr Sebastian HUBER Dornierstr. 4 82178 Puchheim Germany email: sebastian.hu...@embedded-brains.de phone: +49-89-18 94 741 - 16 fax: +49-89-18 94 741

Re: Is rtems interrupt latency good enough for BLDC ESC? (on arm cortex-M or cortex-R)

er priority half can be used for such "zero-latency interrupts". For ARMv7-AR, the FIQ can be used. -- embedded brains GmbH Herr Sebastian HUBER Dornierstr. 4 82178 Puchheim Germany email: sebastian.hu...@embedded-brains.de phone: +49-89-18 94 741 - 16 fax: +49-89-18 94 741 - 08

Re: Unknown task ID "Hefg" seen in thread_switch hook

the other members to figure out which task it is. My only theory at the moment is that a wild pointer messed with the thread object. I would set a write break point to the name member in the thread control block to figure out the origin of this name. -- embedded brains GmbH Herr Sebastian

Re: Want to add RISC-V-based PolarFire SoC support to RTEMS

ent default values. It would be the first CPU option in RTEMS with BSP-dependent default values. -- embedded brains GmbH Herr Sebastian HUBER Dornierstr. 4 82178 Puchheim Germany email: sebastian.hu...@embedded-brains.de phone: +49-89-18 94 741 - 16 fax: +49-89-18 94 741 - 08 Registergerich

Re: How can I add LDFLAGS for bsp build?

added by the -qrtems option for GCC. -- embedded brains GmbH Herr Sebastian HUBER Dornierstr. 4 82178 Puchheim Germany email: sebastian.hu...@embedded-brains.de phone: +49-89-18 94 741 - 16 fax: +49-89-18 94 741 - 08 Registergericht: Amtsgericht München Registernummer: HRB 157899

Re: How can I add LDFLAGS for bsp build?

are configured specifically for RTEMS in GCC and based on the set of supported BSPs. -- embedded brains GmbH Herr Sebastian HUBER Dornierstr. 4 82178 Puchheim Germany email: sebastian.hu...@embedded-brains.de phone: +49-89-18 94 741 - 16 fax: +49-89-18 94 741 - 08 Registergericht: Amtsgericht

Re: How can I add LDFLAGS for bsp build?

ib/libbsp/arm/tms570/../../../../../../bsps/arm/tms570/start/tms570lc4357/source/HL_sci.c:284: undefined reference to `floor' collect2: error: ld returned 1 exit status This is a problem with the search order of the libraries. The -lrtemsbsp is implicitly given by the --specs bsp_spe

Re: Failed to build rtems 5.1 by rsb under debian 11 with LLVM DebugInfo enabled

s not included in the RTEMS 5.1 release. It will be included in the 5.2 release. -- embedded brains GmbH Herr Sebastian HUBER Dornierstr. 4 82178 Puchheim Germany email: sebastian.hu...@embedded-brains.de phone: +49-89-18 94 741 - 16 fax: +49-89-18 94 741 - 08 Registergericht: Amtsgericht Mü

Re: Failed to build rtems 5.1 by rsb under debian 11 with LLVM DebugInfo enabled

d it with gcc or clang? -- embedded brains GmbH Herr Sebastian HUBER Dornierstr. 4 82178 Puchheim Germany email: sebastian.hu...@embedded-brains.de phone: +49-89-18 94 741 - 16 fax: +49-89-18 94 741 - 08 Registergericht: Amtsgericht München Registernummer: HRB 157899 Vertretungsberecht

Re: Failed to build rtems 5.1 by rsb under debian 11 with LLVM DebugInfo enabled

be in the LLVM provided header files? -- embedded brains GmbH Herr Sebastian HUBER Dornierstr. 4 82178 Puchheim Germany email: sebastian.hu...@embedded-brains.de phone: +49-89-18 94 741 - 16 fax: +49-89-18 94 741 - 08 Registergericht: Amtsgericht München Registernummer: HRB 157899 Vertret

Re: Building newly for 6/rtems-arm blows on compiling iOS_failure.cc

ctype_inline.h file in your build tree? Does it work if you run make in the existing build tree? -- embedded brains GmbH Herr Sebastian HUBER Dornierstr. 4 82178 Puchheim Germany email: sebastian.hu...@embedded-brains.de phone: +49-89-18 94 741 - 16 fax: +49-89-18 94 741 - 08 Registergericht

Re: Try to load and run RTEMS Image on Cora-z7-10

GmbH Herr Sebastian HUBER Dornierstr. 4 82178 Puchheim Germany email: sebastian.hu...@embedded-brains.de phone: +49-89-18 94 741 - 16 fax: +49-89-18 94 741 - 08 Registergericht: Amtsgericht München Registernummer: HRB 157899 Vertretungsberechtigte Geschäftsführer: Peter Rasmussen, Thomas Dörfler

Re: RTEMS5 for arm on macOS 12.3. Or how Apple blew up RTEMS.

RSB for RTEMS 5: https://git.rtems.org/rtems-source-builder/commit/?id=571a182d4aa3be967791c8c715cedbd2a88b3b91 -- embedded brains GmbH Herr Sebastian HUBER Dornierstr. 4 82178 Puchheim Germany email: sebastian.hu...@embedded-brains.de phone: +49-89-18 94 741 - 16 fax: +49-89-18 94 741 - 08

Re: Split BSP in RTEMS 4.11 - autotools newbie question

n two GIT branches and maybe colleagues will fix it some day :) I would also recommend you try it with RTEMS 6 which uses a new build system. -- embedded brains GmbH Herr Sebastian HUBER Dornierstr. 4 82178 Puchheim Germany email: sebastian.hu...@embedded-brains.de phone: +49-89-18 94 741 - 16

Re: Deprecating v850, sh, sparc64 in rtems6, remove in rtems7

pretty easily revive a port later on and bring it back up to speed if someone needs it.) GCC 12 doesn't build for v850 currently: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104121 If someone is interested in v850, then GCC maintenance should be ensured. -- embedded brains GmbH Herr Seba

Re: Sparc-rtems5

Herr Sebastian HUBER Dornierstr. 4 82178 Puchheim Germany email: sebastian.hu...@embedded-brains.de phone: +49-89-18 94 741 - 16 fax: +49-89-18 94 741 - 08 Registergericht: Amtsgericht München Registernummer: HRB 157899 Vertretungsberechtigte Geschäftsführer: Peter Rasmussen, Thomas Dörfler Unsere

Re: Barrier Manager cross-node behaviour

rm in general which has a very specific meaning in RTEMS (also "local" and "global"). We already have a ticket for this: https://devel.rtems.org/ticket/4453 -- embedded brains GmbH Herr Sebastian HUBER Dornierstr. 4 82178 Puchheim Germany email: sebastian.hu...@embedded-brai

Re: mvme2500 PCIe support

On 17/11/2021 15:50, Brendan Chandler wrote: Hi Sebastian, On 11/12/21 8:03 AM, Sebastian Huber wrote: I tried to port the FreeBSD PCI bus driver for this platform to RTEMS, but it had not enough time to finish it in my given time budget. So the status is: 1. PCIe works in general on this

Re: RTEMS application fail on TCP frame

ashed. Is a network stack unable to maintain such situations? Can someone help to fix this issue? which network stack did you use? What do you mean with "I wrote a network driver"? -- embedded brains GmbH Herr Sebastian HUBER Dornierstr. 4 82178 Puchheim Germany email: sebastian

Re: mvme2500 PCIe support

iver written in C++. I tried to port the FreeBSD PCI bus driver for this platform to RTEMS, but it had not enough time to finish it in my given time budget. So the status is: 1. PCIe works in general on this platform. 2. An open PCI bus driver is missing. -- embedded brains GmbH Herr Sebastian HU

Re: Caching build objects: Waf and ccache

b.com/ita1024/waf/blob/master/waflib/extras/wafcache.py I don't know if this works with RTEMS. Do you want to use this for the RTEMS build? I am not sure if it is worth the trouble since RTEMS builds in a couple of seconds. -- embedded brains GmbH Herr Sebastian HUBER Dornierstr. 4 82178 Puchhe

Re: Static allocation

On 28/09/2021 21:39, Joel Sherrill wrote: Sebastian is there any guidance in the Classic API or Users Guide about static systems? Not yet, but it is on my TODO list. -- embedded brains GmbH Herr Sebastian HUBER Dornierstr. 4 82178 Puchheim Germany email: sebastian.hu...@embedded-brains.de

Re: [EXTERNAL] rtems_semaphore routines on SMP systems

(). That’s the only routine we need AFAIK. The RTEMS_SIMPLE_BINARY_SEMAPHORE semaphores can be used from within interrupt context. An alternative are: https://docs.rtems.org/branches/master/c-user/self_contained_objects.html#binary-semaphores -- embedded brains GmbH Herr Sebastian HUBER Dornierst

Re: [EXTERNAL] rtems_semaphore routines on SMP systems

-score/osdMutex.c This is a priority inheritance mutex which must be used by threads only. Using it from within interrupt context will not work. -- embedded brains GmbH Herr Sebastian HUBER Dornierstr. 4 82178 Puchheim Germany email: sebastian.hu...@embedded-brains.de phone: +49-89-18 94 741 - 16

Re: Statically allocated build

ine CONFIGURE_APPLICATION_DISABLE_FILESYSTEM #define CONFIGURE_INIT_TASK_CONSTRUCT_STORAGE_SIZE XYZ -- embedded brains GmbH Herr Sebastian HUBER Dornierstr. 4 82178 Puchheim Germany email: sebastian.hu...@embedded-brains.de phone: +49-89-18 94 741 - 16 fax: +49-89-18 94 741 - 08 Registergericht: Amtsgeri

Re: [EXTERNAL] rtems_semaphore routines on SMP systems

. Which RTEMS semaphore classes do you use in EPICS and in particular which classes do you use in interrupt context? -- embedded brains GmbH Herr Sebastian HUBER Dornierstr. 4 82178 Puchheim Germany email: sebastian.hu...@embedded-brains.de phone: +49-89-18 94 741 - 16 fax: +49-89-18 94 741 - 08

Re: Statically allocated build

ve just noticed that `__usrenv.c` has been compiled into my application. I don't understand how to disable it. I would look at the linker map file. You probably use a file system. -- embedded brains GmbH Herr Sebastian HUBER Dornierstr. 4 82178 Puchheim Germany email: sebastian.hu...@embedded-

Re: [EXTERNAL] Re: rtems_semaphore routines on SMP systems

ded brains GmbH Herr Sebastian HUBER Dornierstr. 4 82178 Puchheim Germany email: sebastian.hu...@embedded-brains.de phone: +49-89-18 94 741 - 16 fax: +49-89-18 94 741 - 08 Registergericht: Amtsgericht München Registernummer: HRB 157899 Vertretungsberechtigte Geschäftsführer: Peter Rasmussen, T

Re: rtems_semaphore routines on SMP systems

brains GmbH Herr Sebastian HUBER Dornierstr. 4 82178 Puchheim Germany email: sebastian.hu...@embedded-brains.de phone: +49-89-18 94 741 - 16 fax: +49-89-18 94 741 - 08 Registergericht: Amtsgericht München Registernummer: HRB 157899 Vertretungsberechtigte Geschäftsführer: Peter Rasmussen, Thomas

Re: 【About rtems condition variable signal intf】

://git.rtems.org/rtems/commit/?id=737e18dbca03c086601dfbe7f90ae143bc34f964 If you are interested, you could add a test case for this to: https://git.rtems.org/rtems/tree/testsuites/sptests/spthread01/init.c?id=737e18dbca03c086601dfbe7f90ae143bc34f964 -- embedded brains GmbH Herr Sebastian HUBER Dornierstr

Re: Heap allocation for libbsd overwrites IMFS

which were not related to our problem. I could post the points where this happened, but I don't know enough about the internals to fix them. It is likely that the failed asserts are actually bugs. -- embedded brains GmbH Herr Sebastian HUBER Dornierstr. 4 82178 Puchheim Germany email: sebasti

Re: Heap allocation for libbsd overwrites IMFS

would help. No, it would not help. -- embedded brains GmbH Herr Sebastian HUBER Dornierstr. 4 82178 Puchheim Germany email: sebastian.hu...@embedded-brains.de phone: +49-89-18 94 741 - 16 fax: +49-89-18 94 741 - 08 Registergericht: Amtsgericht München Registernummer: HRB 157899 Vertretungsberech

Re: About kernel function _CPU_Counter_difference overflow issue

there should be no issue unless you want to measure intervals geater than the maximum of this integer type. -- embedded brains GmbH Herr Sebastian HUBER Dornierstr. 4 82178 Puchheim Germany email: sebastian.hu...@embedded-brains.de phone: +49-89-18 94 741 - 16 fax: +49-89-18 94 741 - 08

Re: Timeslice issues with preemption enabled

ernal timestamps would allow a much finer grained timeslicing. This could be added if someone is interested in a small project. -- embedded brains GmbH Herr Sebastian HUBER Dornierstr. 4 82178 Puchheim Germany email: sebastian.hu...@embedded-brains.de phone: +49-89-18 94 741 - 16 fax: +49-89-18 94 741

Re: GSoC Introduction

Hello Ida, welcome on board. I am really looking forward to having an automatic code formatter in place which runs before patches are reviewed. -- embedded brains GmbH Herr Sebastian HUBER Dornierstr. 4 82178 Puchheim Germany email: sebastian.hu...@embedded-brains.de phone: +49-89-18 94 741

Re: Can printf() be made SMP safe?

e seems to be a data store error in usleep(). This function uses a global object: _Nanosleep_Pseudo_queue. I would check the state of this object during crash. -- embedded brains GmbH Herr Sebastian HUBER Dornierstr. 4 82178 Puchheim Germany email: sebastian.hu...@embedded-brains.de phone: +49-89-

Re: Can printf() be made SMP safe?

and the RTEMS internal debugging support (RTEMS_DEBUG = True or --enable-rtems-debug). -- embedded brains GmbH Herr Sebastian HUBER Dornierstr. 4 82178 Puchheim Germany email: sebastian.hu...@embedded-brains.de phone: +49-89-18 94 741 - 16 fax: +49-89-18 94 741 - 08 Registergericht

Re: Announce: RTEMS 5.1 Release

Hello Pierre, On 25/04/2021 16:31, Pierre FICHEUX wrote: Is Raspberry Pi 1 B+ BSP OK for RTEMS 5.1 ? maybe this BSP is affected by this bug: https://devel.rtems.org/ticket/4394 -- embedded brains GmbH Herr Sebastian HUBER Dornierstr. 4 82178 Puchheim Germany email: sebastian.hu...@embedded

Re: libbsd: React to link status change events

t the dhcpcd code to figure out how this works. I think a routing socket can be used to get these events. -- embedded brains GmbH Herr Sebastian HUBER Dornierstr. 4 82178 Puchheim Germany email: sebastian.hu...@embedded-brains.de phone: +49-89-18 94 741 - 16 fax: +49-89-18 94 741 - 08 Registerge

Re: Can not build rtems-examples for sparc/erc32

On 09/04/2021 09:20, junkes wrote: can not build examples (https://github.com/RTEMS/rtems-examples.git) for sparc/erc32. Seems to related to missing run time linker lib. I updated the RSB. I hope it is fixed now. -- embedded brains GmbH Herr Sebastian HUBER Dornierstr. 4 82178 Puchheim

Re: RTEMS only executes no task and only finds one core imx7

rains GmbH Herr Sebastian HUBER Dornierstr. 4 82178 Puchheim Germany email: sebastian.hu...@embedded-brains.de phone: +49-89-18 94 741 - 16 fax: +49-89-18 94 741 - 08 Registergericht: Amtsgericht München Registernummer: HRB 157899 Vertretungsberechtigte Geschäftsführer: Peter Rasmussen, Thomas Dö

Re: rtems-record-lttng: Corrupted timestamps after translating to CTF

rrent RISC-V clock driver uses only the boot processor is a known limitation and you see this in the smpclock01 test failure. I would fix the clock driver and use an approach similar to the Arm Generic Timer clock driver. -- embedded brains GmbH Herr Sebastian HUBER Dornierstr. 4 82178 Puc

Re: rtems-record-lttng: Corrupted timestamps after translating to CTF

tems? There could be also some bugs in record-client.c. More unit tests for it would be helpful. -- embedded brains GmbH Herr Sebastian HUBER Dornierstr. 4 82178 Puchheim Germany email: sebastian.hu...@embedded-brains.de phone: +49-89-18 94 741 - 16 fax: +49-89-18 94 741 - 08 Registergericht:

Re: SPI Driver Implementation

o/i2c.html -- embedded brains GmbH Herr Sebastian HUBER Dornierstr. 4 82178 Puchheim Germany email: sebastian.hu...@embedded-brains.de phone: +49-89-18 94 741 - 16 fax: +49-89-18 94 741 - 08 Registergericht: Amtsgericht München Registernummer: HRB 157899 Vertretungsberechtigte Geschäftsführer: Peter

Re: GCC 11 and Static Analysis

vYSeQUx0xd0jKC2z%2F89gRLH6IrHg17EJmUI%3D&reserved=0> Would seem very useful for embedded projects where runtime analysis is difficult. Yes, you can give it a try. I never used it myself. The Coverity scan alone keeps me busy. -- embedded brains GmbH Herr Sebastian HUBER Dornierstr. 4 82178

Re: Using LwIP on the STM32H7

need some sort of device memory (uncached). -- embedded brains GmbH Herr Sebastian HUBER Dornierstr. 4 82178 Puchheim Germany email: sebastian.hu...@embedded-brains.de phone: +49-89-18 94 741 - 16 fax: +49-89-18 94 741 - 08 Registergericht: Amtsgericht München Registernummer: HRB 157899

Re: Using LwIP on the STM32H7

debugger, the descriptor entries are still zeroed out unfortunately.. If you place them in BSP_NOCACHENOLOAD_SECTION or BSP_NOCACHENOLOAD_SUBSECTION(), they are not loaded (zero initialized). -- embedded brains GmbH Herr Sebastian HUBER Dornierstr. 4 82178 Puchheim Germany email: sebastian.hu

Re: Using LwIP on the STM32H7

ion(".RxArraySection"))); /* Ethernet Receive Buffers */ The BSP has a nocache section, see bsps/arm/include/bsp/linker-symbols.h -- embedded brains GmbH Herr Sebastian HUBER Dornierstr. 4 82178 Puchheim Germany email: sebastian.hu...@embedded-brains.de phone: +49-89-18 94 741 - 1

Re: Delay until in Ada seems not to work

developed by FentISS. The hardware is the zynq7000. Then I suggest you try to reproduce the issue first using a RTEMS version distributed by the RTEMS Project. We have a Qemu BSP for this platform. -- embedded brains GmbH Herr Sebastian HUBER Dornierstr. 4 82178 Puchheim Germany email: sebastian.hu

Re: Delay until in Ada seems not to work

eriod/init.c#L39>. I've also set it with status = rtems_clock_set( &time) , but the behaviour does not change. On which BSP and hardware did you try this out? -- embedded brains GmbH Herr Sebastian HUBER Dornierstr. 4 82178 Puchheim Germany email: sebastian.hu...@embedded-brain

Re: problem while trying converting c program from rtems4 to rtems5

the application. There is a new configuration option https://docs.rtems.org/branches/master/c-user/config/general.html#configure-verbose-system-initialization which may help to debug system initialization issues. -- embedded brains GmbH Herr Sebastian HUBER Dornierstr. 4 82178 Puchheim Germany

Re: How to program fine-grained real-time concurrent applications in C or Ada

_task_wake_when() uses _Thread_Timer_insert_realtime() which uses a time with a nanoseconds resolution. It would be easy to change the implementation of rtems_task_wake_when() to use the clock driver ticks. As already mentioned, the clock_nanosleep() provides this functionality already. -- embedded brains Gmb

Re: mDNS DNS-SD ZeroConf in RTEMS 5 ?

foobarserver. -- embedded brains GmbH Herr Sebastian HUBER Dornierstr. 4 82178 Puchheim Germany email: sebastian.hub...@embedded-brains.de phone: +49-89-18 94 741 - 16 fax: +49-89-18 94 741 - 08 Registergericht: Amtsgericht München Registernummer: HRB 157899 Vertretungsberechtigte

Re: Can't submit patch

config.ini is only read by the "./waf configure" command. This command generates the header files. -- embedded brains GmbH Herr Sebastian HUBER Dornierstr. 4 82178 Puchheim Germany email: sebastian.hub...@embedded-brains.de phone: +49-89-18 94 741 - 16 fax: +49-89-18 94 741 - 08 Regis

Re: How to run RISC-V test applications using qemu?

rt it to a plain text file. -- embedded brains GmbH Herr Sebastian HUBER Dornierstr. 4 82178 Puchheim Germany email: sebastian.hub...@embedded-brains.de phone: +49-89-18 94 741 - 16 fax: +49-89-18 94 741 - 08 Registergericht: Amtsgericht München Registernummer: HRB 157899 Vertretungsb

Re: Acessing PL devices of Xilinx Zedboard

tention to this area. I used the small pages for a specialized heap protection. -- embedded brains GmbH Sebastian HUBER Dornierstr. 4 82178 Puchheim Germany email: sebastian.hu...@embedded-brains.de Phone: +49-89-18 94 741 - 16 Fax: +49-89-18 94 741 - 08 PGP: Public key available on request. embedde

Re: Acessing PL devices of Xilinx Zedboard

ne to support 4kB pages, but I don't know if the entry point arm_cp15_start_setup_translation_table_and_enable_mmu_and_cache currently uses that support or not. the 4KiB pages MMU configuration was added with this commit: commit f9648baf65ecec2cd01c96557a677ad6ecc06b11 Author: Sebastian H

Re: libbsd select timeout issue(critial!!)

et. To fix the issue we have to change the conversion of the absolute timeout value so that error doesn't grow over time. -- embedded brains GmbH Sebastian HUBER Dornierstr. 4 82178 Puchheim Germany email: sebastian.hu...@embedded-brains.de Phone: +49-89-18 94 741 - 16 Fax: +49-89-18 94 7

Re: libbsd select timeout issue(critial!!)

could create a patch which fixes the bug. -- embedded brains GmbH Sebastian HUBER Dornierstr. 4 82178 Puchheim Germany email: sebastian.hu...@embedded-brains.de Phone: +49-89-18 94 741 - 16 Fax: +49-89-18 94 741 - 08 PGP: Public key available on request. embedded brains GmbH Registergericht

Re: When to register termios devices?

s are registered. They are also registered, when the application doesn't need them. So, doing a driver registration in the application configuration is not that bad. -- Sebastian Huber, embedded brains GmbH Address : Dornierstr. 4, D-82178 Puchheim, Germany Phone : +49 89 189 47 41-16 Fax :

Re: does anybody generate a core dump in rtems?

Hello, On 20/10/2020 04:56, small...@aliyun.com wrote: hi, all When my application running in rtems encounters a fatal error, I want to let the whole system to generate a core file. After that I can use gdb to debug the core file to find the reason. However, there is no information about this

Important notice for all users of Cortex-A9 based BSPs

Errata 845369 can lead to data corruption and we noticed system crashes due to it which are hard to debug. -- Sebastian Huber, embedded brains GmbH Address : Dornierstr. 4, D-82178 Puchheim, Germany Phone : +49 89 189 47 41-16 Fax : +49 89 189 47 41-09 E-Mail : sebastian.hu...@embedded

Is -malign-int a usual m68k/ColdFire option?

Hello, a test suite failure surfaced that we may have an issue with the alignment of basic data structures on ColdFire targets: https://devel.rtems.org/ticket/4013 The chips usually have at least a 32-bit data system bus. I am not sure why RTEMS didn't use the -malign-int for the ColdFire ta

lm32: internal compiler error: in dwarf2out_frame_debug_expr, at dwarf2cfi.c:1809

Hello, I noticed an internal compiler error on lm32 while testing the new build system: https://devel.rtems.org/ticket/4089 If someone is interested in the lm32 support, then this bug should be reported to GCC. Otherwise, this architecture should be obsoleted in RTEMS 6 and removed in RTEMS

Re: STM32H7 startup test in RTEMS 4-11.3

Hello Catalin, I added a BSP for the STM32H7 earlier this year: https://git.rtems.org/sebh/rtems.git/log/?h=stm32h7 It is not yet included in the RTEMS Project since it used the new build system. ___ users mailing list users@rtems.org http://lists.

Re: Fatal source exception in loopback sample on powerpc/qoriq_e6500_64

Hello Steven, On 14/09/2020 19:11, Clukey (US), Steven A wrote: I am attempting to run the `loopback.exe` sample application provided with RTEMS on the PowerPC qoriq_e6500_64 BSP, but unfortunately it is crashing. the old network stack doesn't work on 64-bit targets. For this BSP, use the ne

Re: RTEMS 4.10 i386 undefined reference to `rtems_bdbuf_configuration'

On 07/09/2020 19:14, Heinz Junkes wrote: rtems 4.10 —with-network —with-posix Unfortunately I cannot resolve a reference: source/rtems-source-builder/rtems/build/i386-rtems4.10-kernel-4.10-1/i386-rtems4.10-kernel-4.10-1-4.10/build/i386-rtems4.10/c/pc686/cpukit/libblock/../../../../../../rtems-

Re: handle Fatal exception

On 31/08/2020 19:06, Ярослав Лещинский wrote: sometimes I'm getting FATAL, like: *** FATAL *** fatal source: 9 (RTEMS_FATAL_SOURCE_EXCEPTION) is it possible to handle this exception, e.g. restart the whole system? Yes, some BSPs do this by default in their fatal error extension. You can cu

Re: RTEMS on Aurix/TriCore

Hello Felix, On 28/07/2020 10:50, Knopp, Felix Ulrich wrote: Hello, The company I work for is currently using AURIX/TriCore micro-controllers running PXROS as real time operating system. I am now investigating if we could use a free alternative like RTEMS instead. However, from what i've se

Re: How do you plan before starting to code ?

operations in some sort of pseudo code. -- Sebastian Huber, embedded brains GmbH Address : Dornierstr. 4, D-82178 Puchheim, Germany Phone : +49 89 189 47 41-16 Fax : +49 89 189 47 41-09 E-Mail : sebastian.hu...@embedded-brains.de PGP : Public key available on request. Diese Nachricht ist

Re: Where to define CPU_SIMPLE_VECTORED_INTERRUPTS for RISC-V?

On 02/06/2020 10:06, Schweikhardt, Jens (TSPCE3-TL4) wrote: we are using a customized RV32IMAF CPU with RTEMS and need to handle interrupts. I'm new to configuring low level things such as this and need a bit of guidance where goes what. I build using the RTEMS source builder. It appears that f

Re: Question about rtems_cpu_usage_report

On 27/04/2020 14:49, Joel Sherrill wrote: On Mon, Apr 27, 2020 at 1:10 AM Sebastian Huber <mailto:sebastian.hu...@embedded-brains.de>> wrote: Hello Carmen, On 24/04/2020 10:10, Carmen Pastor wrote: > Hi All, > > I've a question for RTEMS 4.10.

Re: Question about rtems_cpu_usage_report

Hello Carmen, On 24/04/2020 10:10, Carmen Pastor wrote: Hi All, I've a question for RTEMS 4.10. I'm using the function rtems_cpu_usage_report() to get the CPU usage, and it is working well but now I need to process the data of the output report, so I would like to get the report data in some

Migration Guide for RTEMS 4.11 to 5

Hello, we started with a migration guide from RTEMS 4.11 (or other versions of course) to 5: https://docs.rtems.org/branches/master/user/migration/v4_11-to-v5.html There are probably a lot more things to consider. If someone already migrated an application to RTEMS 5, then please share your

Re: clock_settime fail on qemu-xilinx-zynq-a9

Hello Heinz, this assertion is definitely an error (clock_settime should return EINVAL instead), however, why do you want to set a time after Wednesday, May 30, 2514? ___ users mailing list users@rtems.org http://lists.rtems.org/mailman/listinfo/use

Re: R: R: sptest SP06 strange behaviour

Hello Michele, On 25/03/2020 16:13, Michele Dekleva wrote: My customer request me to use RTEMS 4.11.3 so i need to use this version. this makes little sense given that we are about to release RTEMS 5 soon. Also consider that the FPGA based CortexM3 use a 133 MHz clock so I’m quite surprise

Re: R: sptest SP06 strange behaviour

Hello Michele, I am not sure if the RTEMS 4.11 test suite works with an interrupt driven console driver. I would use the RTEMS master for new BSPs anyway. ___ users mailing list users@rtems.org http://lists.rtems.org/mailman/listinfo/users

Re: sptest SP06 strange behaviour

Hello Michele, both tests should run without errors. Which RTEMS version do you use? A frequent error in Cortex-M BSPs are improper interrupt priorities. Make sure all interrupt priorities are set up correctly: https://docs.rtems.org/branches/master/cpu-supplement/arm.html#interrupt-processin

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