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Kernel: Remove i686 support

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Liav A 2022-10-04 03:05:54 +03:00 • committed by Andreas Kling
parent 32270dcd20
commit 5ff318cf3a
75 changed files with 142 additions and 895 deletions
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21
Kernel/IOWindow.cpp
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@ -10,7 +10,7 @@
namespace Kernel {
#if ARCH(I386) || ARCH(X86_64)
#if ARCH(X86_64)
ErrorOr<NonnullOwnPtr<IOWindow>> IOWindow::create_for_io_space(IOAddress address, u64 space_length)
{
VERIFY(!Checked<u64>::addition_would_overflow(address.get(), space_length));
@ -27,7 +27,7 @@ IOWindow::IOWindow(NonnullOwnPtr<IOAddressData> io_range)
ErrorOr<NonnullOwnPtr<IOWindow>> IOWindow::create_from_io_window_with_offset(u64 offset, u64 space_length)
{
#if ARCH(I386) || ARCH(X86_64)
#if ARCH(X86_64)
if (m_space_type == SpaceType::IO) {
VERIFY(m_io_range);
if (Checked<u64>::addition_would_overflow(m_io_range->address(), space_length))
@ -39,19 +39,10 @@ ErrorOr<NonnullOwnPtr<IOWindow>> IOWindow::create_from_io_window_with_offset(u64
VERIFY(space_type() == SpaceType::Memory);
VERIFY(m_memory_mapped_range);
// Note: x86-IA32 is the only 32 bit CPU architecture currently being supported and
// probably will be the only such in the foreseeable future.
#if ARCH(I386)
if (Checked<u32>::addition_would_overflow(m_memory_mapped_range->paddr.get(), offset))
return Error::from_errno(EOVERFLOW);
if (Checked<u32>::addition_would_overflow(m_memory_mapped_range->paddr.get() + offset, space_length))
return Error::from_errno(EOVERFLOW);
#else
if (Checked<u64>::addition_would_overflow(m_memory_mapped_range->paddr.get(), offset))
return Error::from_errno(EOVERFLOW);
if (Checked<u64>::addition_would_overflow(m_memory_mapped_range->paddr.get() + offset, space_length))
return Error::from_errno(EOVERFLOW);
#endif
auto memory_mapped_range = TRY(Memory::adopt_new_nonnull_own_typed_mapping<u8 volatile>(m_memory_mapped_range->paddr.offset(offset), space_length, Memory::Region::Access::ReadWrite));
return TRY(adopt_nonnull_own_or_enomem(new (nothrow) IOWindow(move(memory_mapped_range))));
@ -60,7 +51,7 @@ ErrorOr<NonnullOwnPtr<IOWindow>> IOWindow::create_from_io_window_with_offset(u64
ErrorOr<NonnullOwnPtr<IOWindow>> IOWindow::create_from_io_window_with_offset(u64 offset)
{
#if ARCH(I386) || ARCH(X86_64)
#if ARCH(X86_64)
if (m_space_type == SpaceType::IO) {
VERIFY(m_io_range);
VERIFY(m_io_range->space_length() >= offset);
@ -93,7 +84,7 @@ ErrorOr<NonnullOwnPtr<IOWindow>> IOWindow::create_for_pci_device_bar(PCI::Addres
return Error::from_errno(EIO);
if (pci_bar_space_type == PCI::BARSpaceType::IOSpace) {
#if ARCH(I386) || ARCH(X86_64)
#if ARCH(X86_64)
if (Checked<u64>::addition_would_overflow(pci_bar_value, space_length))
return Error::from_errno(EOVERFLOW);
auto io_address_range = TRY(adopt_nonnull_own_or_enomem(new (nothrow) IOAddressData((pci_bar_value & 0xfffffffc), space_length)));
@ -148,7 +139,7 @@ bool IOWindow::is_access_in_range(u64 offset, size_t byte_size_access) const
{
if (Checked<u64>::addition_would_overflow(offset, byte_size_access))
return false;
#if ARCH(I386) || ARCH(X86_64)
#if ARCH(X86_64)
if (m_space_type == SpaceType::IO) {
VERIFY(m_io_range);
VERIFY(!Checked<u64>::addition_would_overflow(m_io_range->address(), m_io_range->space_length()));
@ -273,7 +264,7 @@ u8 volatile* IOWindow::as_memory_address_pointer()
return m_memory_mapped_range->ptr();
}
#if ARCH(I386) || ARCH(X86_64)
#if ARCH(X86_64)
IOAddress IOWindow::as_io_address() const
{
VERIFY(space_type() == SpaceType::IO);