• ARM Cortex A9 boot from spi-flash 32M
    Hi, we are using arm cortex-a9 booting from spansion s25fl256. We are confused why the spi driver forces to limits flash size to 0x1000000 (16M). It's normal when first bring up and into linux. However...
  • How can we boot linux kernel in ARM FVP w/ TrustZone?
    Hello, everyone. Let me post a question regarding booting Linux on ARM FVP (with Cortex-A9 MPCore). I'm setting up an experiment which uses TrustZone on ARM FVP. I'm not sure which kernel to run in the...
  • Cortex-A8 boot up cpsr status
    Hi, I have a beaglebone black and running a very basic app using starterware. As soon as the app starts executing i copy the CPSR values in memory. The value of CPSR is super surprising 6000019f which...
  • How to use DMA for Cortex-A9 ?
      hello, I want to use DMA 330 asm code, but i can't compile it. can anyone tell how to use the PLL330 DMA assembly code? or tell me how to use the DMA for Cortex-A9
  • [ELF/Thumb] Is it possible to create library procedures in Thumb-mode only ?
    Greetings, In my journey to learn ARM assembly using Android (Linux) systems, I'm currently playing with Thumb mode. I'm currently testing if it is possible to write (ELF) library procedures entirely...