EN0-001 Exam Dumps : ARM Accredited Engineer

Which of the following memory attributes, specified in a translation table entry, could be used to protect a page containing a read-sensitive peripheral from speculative instruction fetches?

In the ARM instruction set what is the maximum branch distance for a Branch or Branch and Link instruction?

An interrupt handler contains the following instruction sequence at the end. The purpose of these instructions is to clear the interrupt request in the interrupt controller and then safely re-enable interrupts.

STR r0, [r1] ; write to interrupt controller register to clear interrupt request

CPSIE i ; re-enable IRQ interrupts

Which of the following instructions should be placed at position in order to ensure that the interrupt controller sees the write before interrupts are re-enabled?