Pass the ARM AAE EN0-001 Questions and answers with ExamsMirror

According to the AAPCS, how many bytes are used to store a C variable of type 'int' in memory?

According to the AAPCS, which of the following statements is TRUE with regard to preservation of register values by a function?

In an MPCore system, when one core is waiting for resources to be released, what instruction could be used to reduce that core's power consumption?

Which is the best power saving mode to use while waiting to obtain a lock on a semaphore?

When building code for both ARM and Thumb states, which tool decides for each function call whether to use a BL or BLX instruction?

What view in a debugger displays the order in which functions were called?

When timing a critical function for an algorithm, using platform time functions such as get time of day (), the result is unpredictable; there is significant variance in the measured time between different runs of the benchmark. Which of the following strategies would improve the accuracy of the measurement?

In a multi-processor system, there are four processors numbered 0, 1, 2 and 3. The state of the processors is as follows:

CPU 0 and 1 are sleeping in low-power state following a WFI instruction. . CPU 2 is executing program code.

CPU 3 is sleeping in low-power state following a WFE instruction.

CPU 2 executes a SEV instruction. What is the effect on the system?

What will be the contents of R2 after the execution of the following piece of code?

LDRR1, =0xAABBCCDD

MOV R2, #0x4

ANDSR1, R1, #0x4

ADDNE R2, R2, #0x4

Assume a little-endian system.

What is the value of R5 after the execution of the following piece of code?