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Kernel: Change PCI access commandline option to also represent no access

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This change allow the user to request the kernel to not use any PCI
resources/devices at all.

Also, don't try to initialize devices that rely on PCI if disabled.
This commit is contained in:
Liav A 2022-01-21 16:09:05 +02:00 • committed by Andreas Kling
parent 6bf59cbb1b
commit f6e635938f
5 changed files with 25 additions and 8 deletions
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2
Kernel/CommandLine.h
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@ -31,6 +31,7 @@ enum class AcpiFeatureLevel {
};
enum class PCIAccessLevel {
None,
IOAddressing,
MemoryAddressing,
};
@ -70,6 +71,7 @@ public:
[[nodiscard]] bool is_physical_networking_disabled() const;
[[nodiscard]] bool is_vmmouse_enabled() const;
[[nodiscard]] PCIAccessLevel pci_access_level() const;
[[nodiscard]] bool is_pci_disabled() const;
[[nodiscard]] bool is_legacy_time_enabled() const;
[[nodiscard]] bool is_pc_speaker_enabled() const;
[[nodiscard]] FrameBufferDevices are_framebuffer_devices_enabled() const;