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Kernel: Detect devices when enumerating the PCI bus

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Instead of making each driver to enumerate the PCI bus itself,
PCI::Initializer will call detect_devices() to do one enumeration
of the bus.
This commit is contained in:
Liav A 2020-02-02 01:52:51 +02:00 • committed by Andreas Kling
parent 60715695b2
commit 583e9ad372
10 changed files with 64 additions and 50 deletions
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10
Kernel/PCI/Access.cpp
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@ -77,6 +77,11 @@ void PCI::Access::enumerate_slot(int type, u8 bus, u8 slot, Function<void(Addres
}
}
PCI::ID PCI::Access::get_id(Address address)
{
return { read16_field(address, PCI_VENDOR_ID), read16_field(address, PCI_DEVICE_ID) };
}
void PCI::Access::enumerate_bus(int type, u8 bus, Function<void(Address, ID)>& callback)
{
for (u8 slot = 0; slot < 32; ++slot)
@ -105,6 +110,11 @@ void enumerate_all(Function<void(Address, ID)> callback)
PCI::Access::the().enumerate_all(callback);
}
ID get_id(Address address)
{
return PCI::Access::the().get_id(address);
}
u8 get_interrupt_line(Address address)
{
return PCI::Access::the().get_interrupt_line(address);