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Kernel: Harvest randomness from various drivers

Random now gets entropy from the following drivers:
- KeyboardDevice
- PATAChannel
- PS2MouseDevice
- E1000NetworkAdapter
- RTL8139NetworkAdapter

Of these devices,  PS2MouseDevice and PATAChannel provide the vast
majority of the entropy.
This commit is contained in:
Peter Elliott 2020-06-24 14:07:28 -06:00 committed by Andreas Kling
parent 2e8cfe5435
commit af0b2d1d86
12 changed files with 71 additions and 7 deletions

View file

@ -287,6 +287,8 @@ void KeyboardDevice::handle_irq(const RegisterState&)
u8 ch = raw & 0x7f;
bool pressed = !(raw & 0x80);
m_entropy_source.add_random_event(raw);
if (raw == 0xe0) {
m_has_e0_prefix = true;
return;