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Add support for 2MB and 1GB map

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This commit is contained in:
Alex
2023-04-07 01:39:11 +03:00
parent 5becc15ed7
commit 540152a339
10 changed files with 239 additions and 116 deletions
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16
Core/Driver/DriverLoading/BindPCI.cpp
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@ -33,8 +33,6 @@ namespace Driver
{
void Driver::MapPCIAddresses(PCI::PCIDeviceHeader *PCIDevice)
{
Memory::Virtual vma = Memory::Virtual(nullptr);
debug("Header Type: %d", PCIDevice->HeaderType);
switch (PCIDevice->HeaderType)
{
@ -103,12 +101,7 @@ namespace Driver
size_t BARSize = BARsSize[i];
debug("Mapping BAR%d from %#lx to %#lx", i, BARBase, BARBase + BARSize);
for (uintptr_t j = BARBase;
j < (BARBase + BARSize);
j += PAGE_SIZE)
{
vma.Map((void *)j, (void *)j, Memory::PTFlag::RW | Memory::PTFlag::PWT);
}
Memory::Virtual().Map((void *)BARBase, (void *)BARBase, BARSize, Memory::PTFlag::RW | Memory::PTFlag::PWT);
}
else if ((BAR[i] & 1) == 1) // I/O Base
{
@ -116,12 +109,7 @@ namespace Driver
uintptr_t BARSize = BARsSize[i];
debug("Mapping BAR%d from %#x to %#x", i, BARBase, BARBase + BARSize);
for (uintptr_t j = BARBase;
j < (BARBase + BARSize);
j += PAGE_SIZE)
{
vma.Map((void *)j, (void *)j, Memory::PTFlag::RW | Memory::PTFlag::PWT);
}
Memory::Virtual().Map((void *)BARBase, (void *)BARBase, BARSize, Memory::PTFlag::RW | Memory::PTFlag::PWT);
}
}
break;