• memory barrier
    Note: This was originally posted on 18th January 2010 at http://forums.arm.com Hi, On x86/win architecture there is a function called MemoryBarrier that prevents the CPU from re-ordering read/write operations...
  • ARM V7 memory barrier
    Note: This was originally posted on 18th June 2011 at http://forums.arm.com Hello everyone, i have questions about memory barrier which is implemented in Linux for ARM V7 first let's suppose that we are...
  • if condition
    Hello, I was compiling my firmware program written in C using Keil microVision2 V2.4 compiler. The target is c8051F120 microcontroller. I noticed that the compiler accepted the following: if...
  • conditional assembling
    Hi, I am new on ARM. I have found the following expressions in a ARM startup file: IF :DEF:REMAP Could any one tell me what it means? If is for conditional assembling, how to define REMAP? Thanks...
  • assembler conditional
    00DE 18 IXLENGTH equ 222; 19 20 21 $IF ((LOW IXLENGTH) = 0 ) 0000 7E00 22 mov r6,#HIGH IXLENGTH 23 $ELSE mov r6,#((HIGH IXLENGTH) +1) $ENDIF 26 27 0100 28 XLENGTH equ 256; 29 30 31...