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Kernel: Make map_typed() & map_typed_writable() fallible using ErrorOr

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This mostly just moved the problem, as a lot of the callers are not
capable of propagating the errors themselves, but it's a step in the
right direction.
This commit is contained in:
Idan Horowitz 2022-01-13 18:20:22 +02:00 • committed by Andreas Kling
parent e2e5d4da16
commit fb3e46e930
14 changed files with 80 additions and 57 deletions
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2
Kernel/Graphics/Bochs/GraphicsAdapter.cpp
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@ -103,7 +103,7 @@ void BochsGraphicsAdapter::set_framebuffer_to_little_endian_format()
UNMAP_AFTER_INIT BochsGraphicsAdapter::BochsGraphicsAdapter(PCI::DeviceIdentifier const& pci_device_identifier)
: PCI::Device(pci_device_identifier.address())
, m_mmio_registers(PCI::get_BAR2(pci_device_identifier.address()) & 0xfffffff0)
, m_registers(Memory::map_typed_writable<BochsDisplayMMIORegisters volatile>(m_mmio_registers))
, m_registers(Memory::map_typed_writable<BochsDisplayMMIORegisters volatile>(m_mmio_registers).release_value_but_fixme_should_propagate_errors())
{
// We assume safe resolution is 1024x768x32
m_framebuffer_console = Graphics::ContiguousFramebufferConsole::initialize(PhysicalAddress(PCI::get_BAR0(pci_device_identifier.address()) & 0xfffffff0), 1024, 768, 1024 * sizeof(u32));