Function runs_inside_qemu::runs_inside_qemu [−][src]
pub fn runs_inside_qemu() -> QemuCertainty
Expand description
Returns if the code is running inside a QEMU virtual machine.
See QemuCertainty
, which is the return type.
Example Usage
fn main() {
// If we are in QEMU, we use the nice "debugcon"-feature which maps
// the x86 I/O-port `0xe9` to stdout or a file.
if runs_inside_qemu().is_maybe_or_very_likely() {
unsafe {
x86::io::outb(0xe9, b'H');
x86::io::outb(0xe9, b'e');
x86::io::outb(0xe9, b'l');
x86::io::outb(0xe9, b'l');
x86::io::outb(0xe9, b'o');
x86::io::outb(0xe9, b'\n');
}
}
}