Hi,
I want to know what is the instruction for sleeping in ARM Cortex A8.
I did execute a WFI instruction seems to be a NOP.
void cpu_idle()
{
unsigned long tmp = 0;
asm("b 1f\n\t"
".align 5\n\t"
"1:\n\t"
"mcr p15, 0, %0, c7, c10, 5\n\t"
"mcr p15, 0, %0, c7, c10, 4\n\t"
"mcr p15, 0, %0, c7, c0, 4" :: "r" (tmp));
return;
}
The above function doesnt seem to work.
Please let me know exact instructions to follow.
Warm Regards,
Akshay
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