• LDR Instruction

    subin t
    subin t
    Note: This was originally posted on 5th November 2008 at http://forums.arm.com

    Hi all,
            I am new to the thumb-2 instruction set. In one of my sample code
    I noticed a instruction
             LDR r0, =0x12345678;…
    • over 6 years ago
    • System
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  • Cortex-A7 instruction lists

    Juha Aaltonen
    Juha Aaltonen

    Just in case someone needs them, I made ARM and Thumb mode lists of Cortex-A7 instructions (because I didn't find them in the net).

    They are generated from ARMv7-A/R ARM with a simple AWK-script and then edited, so they may contain errors.

    The lists…

    • over 5 years ago
    • System
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  • What use of 'AL condition' in ARM IT block?

    Robert
    Robert

    Hi,

    I read the following on IT block in ARM Thumb2 instruction. I don't understand

    the last sentence on AL to get the changed behavior.

    Could you explain it to me?

    Thanks,

    /////////////

    A8.6.50 IT

    If Then makes up to four following instructions (the…

    • Answered
    • over 4 years ago
    • System
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  • ARM/THUMB instructions that change execution path?

    Juha Aaltonen
    Juha Aaltonen

    Has anybody come across a list of ARM & THUMB instructions that cause deviation from the linear instruction stream?

    I've been trying to figure out gdb-stub single stepping using software interrupts, and in single stepping you need to find

    the next…

    • Answered
    • over 5 years ago
    • System
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