RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-25 05:27:43 +00:00
Code Issues Activity Actions

Kernel/Interrupts: Return boolean on whether we handled the interrupt

Browse source 
If we are in a shared interrupt handler, the called handlers might
indicate it was not their interrupt, so we should not increment the
call counter of these handlers.
This commit is contained in:
Liav A 2021-06-05 09:00:18 +03:00 • committed by Andreas Kling
parent 7a6d5a7b8b
commit b91df26d4a
43 changed files with 125 additions and 71 deletions
Download patch file Download diff file Expand all files Collapse all files

5
Kernel/Storage/AHCIPortHandler.cpp
View file

@ -82,9 +82,11 @@ AHCIPortHandler::~AHCIPortHandler()
{
}
void AHCIPortHandler::handle_irq(const RegisterState&)
bool AHCIPortHandler::handle_irq(const RegisterState&)
{
dbgln_if(AHCI_DEBUG, "AHCI Port Handler: IRQ received");
if (m_pending_ports_interrupts.is_zeroed())
return false;
for (auto port_index : m_pending_ports_interrupts.to_vector()) {
auto port = m_handled_ports.get(port_index);
VERIFY(port.has_value());
@ -93,6 +95,7 @@ void AHCIPortHandler::handle_irq(const RegisterState&)
// We do this to clear the pending interrupt after we handled it.
m_pending_ports_interrupts.set_at(port_index);
}
return true;
}
}