RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-25 17:47:44 +00:00
Code Issues Activity Actions

Kernel/PCI: Allow to set the PCI IRQ line of a device

Browse source 
This will be used later by the AHCI code to set the IRQ line to be 11,
if hardware by mistake changed the value to be something we can't deal
with.
This commit is contained in:
Liav A 2021-03-19 04:50:31 +02:00 • committed by Andreas Kling
parent 6c03fdc1ef
commit 36a82188a8
2 changed files with 6 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

5
Kernel/PCI/Access.cpp
View file

@ -222,6 +222,11 @@ u8 get_interrupt_line(Address address)
return read8(address, PCI_INTERRUPT_LINE);
}
void set_interrupt_line(Address address, u8 new_line)
{
write8(address, PCI_INTERRUPT_LINE, new_line);
}
u32 get_BAR0(Address address)
{
return read32(address, PCI_BAR0);

1
Kernel/PCI/Definitions.h
View file

@ -204,6 +204,7 @@ void enumerate(Function<void(Address, ID)> callback);
void enable_interrupt_line(Address);
void disable_interrupt_line(Address);
u8 get_interrupt_line(Address);
void set_interrupt_line(Address, u8);
void raw_access(Address, u32, size_t, u32);
u32 get_BAR0(Address);
u32 get_BAR1(Address);