• Does the GNU Toolchain for Arm Processors support classic processors like the ARM11?

    William R.
    William R.

    Hello, I'm looking for a toolchain which I can use for bare-metal programming on the Raspberry Pi Zero (which uses an ARM11 processor) in native assembly language. According to this webpage https://developer.arm.com/tools-and-software/open-source-software…

    • 2 months ago
    • Open Source Software and Platforms
    • GNU Toolchain forum
  • Arm11 clock

    korner korner
    korner korner
    Note: This was originally posted on 13th October 2008 at http://forums.arm.com

    Hello,

    Does anyone know if there is a timestamp clock in Arm? Something like the RDTSC in intel?
    Or some other high frequency clock?
    I need a clock to mesure performance of my…
    • over 7 years ago
    • Processors
    • Classic processors forum
  • Is pre-compiled ARM9 libs able to run on an ARM11 chip

    Ping Ping Cheng
    Ping Ping Cheng
    Note: This was originally posted on 15th October 2008 at http://forums.arm.com

    Hi

    I have couple pre-compiled libs in ARM9, is there a problem if link it with other ARM11 code and put on an ARM11 chip?

    Thanks,
    -ppj
    • over 7 years ago
    • Processors
    • Classic processors forum
  • ARM1136 - Not Jumping to ISR problem

    NikhilWipro NikhilWipro
    NikhilWipro NikhilWipro
    Note: This was originally posted on 6th January 2009 at http://forums.arm.com

    Hi,

    I am working on ARM1136JF-S Core. I need to implement handling of the interrupts (GPT interrupt) in u-boot bootloader which is not generally done.

    For this I followed the following…
    • Answered
    • over 7 years ago
    • Processors
    • Classic processors forum
  • TCM and ARM1136

    hongkongrr hongkongrr
    hongkongrr hongkongrr
    Note: This was originally posted on 13th January 2009 at http://forums.arm.com

    Hi,

    I am trying to use DTCM to see if I can improve performance of my program on ARM1136.

    I wrote a test program that just read/write TCM and read/write to RAM.  However anlayzing…
    • Answered
    • over 7 years ago
    • Processors
    • Classic processors forum
  • ARM1176JZ-S, cache confg: effective cache size calculation

    deven deven
    deven deven
    Note: This was originally posted on 22nd February 2009 at http://forums.arm.com

    Hello,

    1) I am using ARM1176JZ-S core with WinCE Platform. The cache memory is configured as follows

        DCache: 128 sets, 4 ways, 32 line size, 16384 size
       …
    • Answered
    • over 7 years ago
    • Processors
    • Classic processors forum
  • Does TLB save level-1 page directory entries?

    Dong Luo
    Dong Luo
    Note: This was originally posted on 18th March 2009 at http://forums.arm.com

    Hi All,
    In ARM1176, does TLB save level-1 page directory entries? I know that section's descriptor is saved in level-1 page table and TLB saves section's descriptor. Besides section…
    • over 7 years ago
    • Processors
    • Classic processors forum
  • How does ARM11 respond to a non-secure interrupt in secure mode?

    Dong Luo
    Dong Luo
    Note: This was originally posted on 19th March 2009 at http://forums.arm.com

    Hi All,
    Assuming that ARM11 is running a secure process and receives a non-secure IRQ or FIQ, how does ARM11 respond to a non-secure interrupt? What should hardware do? And, what…
    • Answered
    • over 7 years ago
    • Processors
    • Classic processors forum
  • Best Performance processor in ARM1136 or ARM926?

    Ranjith Kumar
    Ranjith Kumar
    Note: This was originally posted on 2nd April 2009 at http://forums.arm.com

    Hi Friends,

               Can any one tell me, which is best processor in ARM1136jf-s or ARM926ej-s (performance wise).


    Regards,
    R…
    • Answered
    • over 7 years ago
    • Processors
    • Classic processors forum
  • Trust Zone on Raspberry Pi unexpected behaviour?

    Vamsi Krishna Atluri
    Vamsi Krishna Atluri

    I am working on the trust zone extension on raspberry pi B+ which has the ARM1176JZF-S processor. According to given documentation on arm11, there will be 3 exception vector tables each for Secure world, Non-secure(NS) world and monitor mode resp. And…

    • Answered
    • over 6 years ago
    • Processors
    • Classic processors forum
  • What is the reason to have been dropped the entire dcache invalidation?

    Yasuhiko Koumoto
    Yasuhiko Koumoto

    Hi ARM experts,

    I have just remembered that the entire dcache could not be invalidated by one instruction from ARMv7.

    I would like to know the reason.

    Can anyone answer this question?

    Thank you and best regards,

    Yasuhiko Koumoto.

    • Answered
    • over 5 years ago
    • Processors
    • Classic processors forum
  • Is there enough processing horsepower in the ARM1176 processor ....

    Paul Harbin
    Paul Harbin

    .... to take a 200 kHz digital pulse train input and turn it in to a 41.7 kHz output pulse train? I want to use an ISR to detect the rising edge of a pulse train, determine if it is time to output a pulse reset the counter. I tried using an Arduino Nano…

    • Answered
    • over 5 years ago
    • Processors
    • Classic processors forum
  • Using ARM1176JZF-S Kit (DS-5 tools), I need to control stepper motor based on the output of ultrasonic sensor (which detects objects).

    albert dane
    albert dane

    Using ARM1176JZF-S Kit (DS-5 tools), I need to control stepper motor based on the output of ultrasonic sensor (which detects objects). I have already done the project in 8051 microcontrollers but how to do it in arm board. Let's first concentrate on the…

    • Answered
    • over 6 years ago
    • Processors
    • Classic processors forum
  • How to specify virtual Address for pl011 uart in linux kernel

    Vivek_004
    Vivek_004

    Hi,

    I am a beginner in kernel porting. I am trying to port Linux kernel (version- 4.9.22) on Custom SoC (cpu = arm1176jzfs based) for custom evaluation Board. I am having ARM Prime cell pl011 UART in my SoC. And it is physically mapped to 0x5800_1000 address…

    • Answered
    • over 3 years ago
    • Processors
    • Classic processors forum
  • A TCM problem

    Ervin
    Ervin

    Hi all

    Here is a problem about the using of TCM.

    I put two functions(they are just the same) of time-delay in the ITCM and the normal RAM, using the scatter file, and execute them one after another.

    But at the end of func in ITCM, there is a PREFTECH abort…

    • Answered
    • over 5 years ago
    • Processors
    • Classic processors forum
  • Time cost change hugely on some function routine on RealView Versatile EB with ARM11 MPCore

    thomas_cp
    thomas_cp

    Time cost of some huge functions (execute 1000 times) like match lib function( take acos for example ) changed hugely.

    I run this test on a RTOS,  though it is SMP,  I  only enable one core, and before invoke the fucntion, I disable interrupts and lock the…

    • Answered
    • over 3 years ago
    • Open Source Software and Platforms
    • Arm Development Platforms forum
  • Hardware suggestion to work on TrustZone in Android

    Alberto Maria Scattolo
    Alberto Maria Scattolo
    Note: This was originally posted on 29th August 2011 at http://forums.arm.com

    Hi everybody,

    For my MSc thesis I have to work on ARM TrustZone and the idea is to use it in Android OS (2.3+). I'm pretty new to this world but reading the forum and the documentation…
    • over 7 years ago
    • Open Source Software and Platforms
    • Android forum
  • PMU in arm11 results

    Muhammad Ali
    Muhammad Ali

    Hi,

    I am programming raspbery pi model b ARM1176 bare metal (in assembly and c). I need to calculate the clock cycles used to execute an assembly code.

    I am using the following code for PMU counter:

    1.   mov r0,#1 
    2.   MCR p15, 0, r0, c15, c12…
    • Answered
    • 10261.zip
    • over 4 years ago
    • Processors
    • Cortex-A / A-Profile forum
  • PMU (Performance monitor Unit)

    Muhammad Ali
    Muhammad Ali

    Hi,

    How can I use PMU(Performance Monitor Unit) in ARM11 to calculate execution clock cycles of an assembly code.

    I am using raspberry pi Model B. I am programming it in assembly language (running assembly program as OS). And want to calculate number of…

    • Answered
    • over 4 years ago
    • Processors
    • Classic processors forum
  • Program Execution Cycles

    Muhammad Ali
    Muhammad Ali

    Hi Guys,

    I am programming my raspberry pi in Assembly language and want to know to number of execution cycles it takes to complete.

    Please let me know if you have any ideas to how I can calculate number of execution cycles of an Assembly code.

    Thanks.

    • Answered
    • over 4 years ago
    • Processors
    • Classic processors forum
  • ARM1136: why the mismatch between cache stalls and cache misses ??

    Zhan Chen
    Zhan Chen

    Something weird when I count both Instruction Cache Miss event and event 0x1 (viz. “Stall because instruction buffer cannot deliver an instruction. This could indicate an Instruction Cache miss or an Instruction MicroTLB miss. This event occurs every…

    • Answered
    • over 5 years ago
    • Processors
    • Classic processors forum
  • ARMv6 performance monitor: Can I record the instruction which caused the data cache miss

    Zhan Chen
    Zhan Chen

    Hi, I'm new to community.

    I am recently working on cache performance evaluation of a software on arm ( which I did not know much about before) and aiming  to record all the instructions causing a data cache miss.

    Currently, my way is straightforward…

    • Answered
    • over 6 years ago
    • Processors
    • Classic processors forum
  • Raspberry pi with streamline ds-5

    Olfat
    Olfat

    HEllo every one

    I'm trying to collect some info from raspberry pi using streamline. I'm currently trying to figure a way to create gator and deamon but i noticed that raspberry pi is not recognized with the adb devices command. also it is not supported…

    • Answered
    • over 6 years ago
    • Software Tools
    • Arm Development Studio forum
  • Distance measurement by ARM1176JZF-S(DS- 5 TOOLS) using ultrasonic sensor

    albert dane
    albert dane

    I have to measure distance between an object by ARM1176JZF-S(DS- 5 TOOLS) using ultrasonic sensor. I am not being able to write the codes. I have connected the ultrasonic sensor in the GPIO pins PL061 peripheral bock (j39). Please help me write the codes…

    • over 6 years ago
    • Software Tools
    • Arm Development Studio forum
  • Starting to work in REALVIEW PLATFORM BASEBOARD FOR ARM1176JZF-S ( SOFTWARE ARM DS -5 TOOLS)

    abhi
    abhi

    I AM WORKING FIRST TIME IN ARM BOARDS. PLEASE GIVE ME THE STEPS OF RUNNING A C PROGRAM IN ARM1176JZF-S WITH ARM DS-5 TOOLS( THE LICENSE OF WHICH I HAVE AND WHICH IS ALREADY INSTALLED IN MY PC ) .I HAVE INSTALLED THE REAL VIEW SOFTWARE PROVIDED IN THE…

    • over 6 years ago
    • Software Tools
    • Arm Development Studio forum
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