• Adding new working point - frequency in linux
    Deciding what frequency within the CPUfreq policy should be used is achieved using "cpufreq governors". Inside the CPUFreq we can find: cpu0/cpufreq/ . . ....affected_cpus ....cpuinfo_cur_freq...
  • PMU driver in Linux Kernel
    Hi Experts, Is there in-built Performance Monitor Unit Driver available in the Linux kernel ? Does it have the user space access to test the same ? Regards, Techguyz
  • Loads and Stores for unaligned memory addresses
    Hi, I am trying to write a code using Neon instructions for an iOS app, based on a previous code that has been optimized with SSE instructions for a desktop app. The SSE code has memory alignment...
  • Endianness vtbx
    Hi @ all, I have a 16 byte permutation mask uint8_t[16] and a 16 byte data array uint32_t[4]. I want to "shuffle" this data array using vtbx. This is my code so far: #include <arm_neon.h> #include...
  • Relationship between ATF and OS memory policies.
    I see that ATF sets up the MMU in its code. Are these settings carried forward to the OS. Or will the OS overwrite the settings when it loads its MMU driver?