• Forced Hardfault (INVPC) Exception Error
    Using ARM coretx-M chip set Getting random INVPC hard fault exception error, while running iperf tool for measuring n/w throughput. Hard fault reg: 0x40000000 xPSR: 0x01000000 PRIMASK: 0x00000001...
  • INVPC Hard fault exception error
    Note: This was originally posted on 16th July 2009 at http://forums.arm.com Using and Arm Cortex M3, the application that is running sometimes will generate a hard fault and deciphering the CFSR register...
  • vldr d16, [r7, #200] ; 0xc8 causes Hard fault (Forced)
    Process: Cortex M33 [Lpc55s69 (cm33_core0) with DSP extension] Build tool: GNU Tools ARM Embedded/8 2019-q3-update Debug Environment: MCUXpresso IDE v11.0.1 [Build 2563] [2019-09-01] From main() the...
  • "BX LR" causing INVPC Usage Fault exception
    I have implemented a context switching code. For going back to privileged user mode after setting the return value in SP + 0x18 address, I am using BX LR instruction. But code execution goes to HardFault...
  • Systick precision
    Hi all, To prove that my code was configuring the systick counter correctly, I did a small test. To measure the interval length between each SysTick interrupt handler I used SWV in combination with...