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Kernel: Add base support for VirtIO devices

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Based on pull #3236 by tomuta, this adds helper methods for generic
device initialization, and partily-broken virtqueue helper methods

Co-authored-by: Tom <tomut@yahoo.com>
Co-authored-by: Sahan <sahan.h.fernando@gmail.com>
This commit is contained in:
Idan Horowitz
2021-01-02 19:53:05 +02:00
committed by Andreas Kling
parent 40a1f89d67
commit 62303d46d1
9 changed files with 832 additions and 2 deletions
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4
Kernel/PCI/Access.cpp
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@@ -254,7 +254,7 @@ u32 get_BAR5(Address address)
u32 get_BAR(Address address, u8 bar)
{
ASSERT(bar <= 5);
VERIFY(bar <= 5);
switch (bar) {
case 0:
return get_BAR0(address);
@@ -269,7 +269,7 @@ u32 get_BAR(Address address, u8 bar)
case 5:
return get_BAR5(address);
default:
ASSERT_NOT_REACHED();
VERIFY_NOT_REACHED();
}
}