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Kernel: Add PCI helpers to enable and disable the interrupt line

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Liav A 2020-02-22 17:15:03 +02:00 • committed by Andreas Kling
parent ca05d54b2b
commit 3539666ac9
3 changed files with 87 additions and 69 deletions
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8
Kernel/PCI/Access.h
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@ -56,6 +56,14 @@ public:
return space_size;
}
virtual ID get_id(Address address) final;
virtual void enable_interrupt_line(Address address) final
{
write16_field(address, PCI_COMMAND, read16_field(address, PCI_COMMAND) & ~(1 << 10));
}
virtual void disable_interrupt_line(Address address) final
{
write16_field(address, PCI_COMMAND, read16_field(address, PCI_COMMAND) | 1 << 10);
}
virtual u8 get_revision_id(Address address) { return read8_field(address, PCI_REVISION_ID); }
virtual u8 get_subclass(Address address) { return read8_field(address, PCI_SUBCLASS); }
virtual u8 get_class(Address address) { return read8_field(address, PCI_CLASS); }