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Kernel: Add basic AHCI functionality

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The hierarchy is AHCIController, AHCIPortHandler, AHCIPort and
SATADiskDevice. Each AHCIController has at least one AHCIPortHandler.

An AHCIPortHandler is an interrupt handler that takes care of
enumeration of handled AHCI ports when an interrupt occurs. Each
AHCIPort takes care of one SATADiskDevice, and later on we can add
support for Port multiplier.

When we implement support of Message signalled interrupts, we can spawn
many AHCIPortHandlers, and allow each one of them to be responsible for
a set of AHCIPorts.
This commit is contained in:
Liav A 2021-02-26 06:25:45 +02:00 • committed by Andreas Kling
parent 4a5cf8c789
commit c4463cb5df
14 changed files with 1908 additions and 0 deletions
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Meta/CMake/all_the_debug_macros.cmake
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@ -28,6 +28,7 @@ set(SOCKET_DEBUG ON)
set(TCP_SOCKET_DEBUG ON)
set(PCI_DEBUG ON)
set(PATA_DEBUG ON)
set(AHCI_DEBUG ON)
set(IO_DEBUG ON)
set(FORK_DEBUG ON)
set(POLL_SELECT_DEBUG ON)