21 lines
465 B
C
21 lines
465 B
C
// idle loop
|
|
|
|
#include <inc/x86.h>
|
|
#include <inc/lib.h>
|
|
|
|
void
|
|
umain(int argc, char **argv)
|
|
{
|
|
binaryname = "idle";
|
|
|
|
// Loop forever, simply trying to yield to a different environment.
|
|
// Instead of busy-waiting like this,
|
|
// a better way would be to use the processor's HLT instruction
|
|
// to cause the processor to stop executing until the next interrupt -
|
|
// doing so allows the processor to conserve power more effectively.
|
|
while (1) {
|
|
sys_yield();
|
|
}
|
|
}
|
|
|