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

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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
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6
Kernel/Net/NE2000NetworkAdapter.cpp
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@ -184,10 +184,13 @@ UNMAP_AFTER_INIT NE2000NetworkAdapter::~NE2000NetworkAdapter()
{
}
void NE2000NetworkAdapter::handle_irq(const RegisterState&)
bool NE2000NetworkAdapter::handle_irq(const RegisterState&)
{
u8 status = in8(REG_RW_INTERRUPTSTATUS);
dbgln_if(NE2000_DEBUG, "NE2000NetworkAdapter: Got interrupt, status={:#02x}", status);
if (status == 0) {
return false;
}
if (status & BIT_INTERRUPTMASK_PRX) {
dbgln_if(NE2000_DEBUG, "NE2000NetworkAdapter: Interrupt for packet received");
@ -223,6 +226,7 @@ void NE2000NetworkAdapter::handle_irq(const RegisterState&)
m_wait_queue.wake_all();
out8(REG_RW_INTERRUPTSTATUS, status);
return true;
}
UNMAP_AFTER_INIT int NE2000NetworkAdapter::ram_test()