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Kernel: Expand BAR address mask up to 64 bit

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Otherwise we would end up truncating the address when applying the mask

Co-Authored-By: Sönke Holz <sholz8530@gmail.com>
This commit is contained in:
Hendiadyoin1 2024-01-11 23:53:33 +01:00 • committed by Andrew Kaster
parent 2f98c7d470
commit c65455e122
Notes: sideshowbarker 2024-07-17 02:56:25 +09:00
1 changed files with 1 additions and 1 deletions
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Kernel/Bus/PCI/Definitions.h
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@ -79,7 +79,7 @@ static constexpr u16 value_port = 0xcfc;
static constexpr size_t mmio_device_space_size = 4096;
static constexpr u16 none_value = 0xffff;
static constexpr size_t memory_range_per_bus = mmio_device_space_size * to_underlying(Limits::MaxFunctionsPerDevice) * to_underlying(Limits::MaxDevicesPerBus);
static constexpr u32 bar_address_mask = 0xfffffff0;
static constexpr u64 bar_address_mask = ~0xfull;
static constexpr u8 msi_control_offset = 2;
static constexpr u16 msi_control_enable = 0x0001;
static constexpr u8 msi_address_low_offset = 4;