Browsing All posts tagged under »volatile«

Emulating ARM PL011 serial ports

November 30, 2010


QEMU is able to emulate ARM systems with multiple serial ports, for example the Versatile PB. It has the ability to direct them to many types of host resources such as standard I/O, a pseudo-terminal or a telnet port. I started from my hello world example for bare-metal ARM programs to control three different serial […]

The volatile keyword

March 3, 2009


The volatile keyword is a feature of the C language that is not considered by new developers until they bang their head against an apparently correct code that doesn’t work, and they don’t understand why. I think it is important to know the existence of the keyword and the principles behind it in order to […]