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Kernel: Add PageTable::Flags::CacheDisable

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Also fix multiple places where we were using uint8_t as page table
flags instead of PageTable::flags_t which we promoted to uint16_t
while back.
This commit is contained in:
Bananymous
2023-08-06 23:59:30 +03:00
parent 3df97c36e6
commit 6fcb191ca0
7 changed files with 36 additions and 18 deletions
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2
kernel/kernel/Memory/FixedWidthAllocator.cpp
View File

@@ -263,7 +263,7 @@ namespace Kernel
vaddr_t vaddr = address_of_node(node);
vaddr_t page_begin = vaddr & PAGE_ADDR_MASK;
uint8_t flags = m_page_table.get_page_flags(page_begin);
PageTable::flags_t flags = m_page_table.get_page_flags(page_begin);
// Allocate and copy all data from this allocation to the new one
if (allocator->allocate_page_if_needed(page_begin, flags))

2
kernel/kernel/Memory/GeneralAllocator.cpp
View File

@@ -97,7 +97,7 @@ namespace Kernel
new_allocation.address = allocation.address;
MUST(new_allocation.pages.reserve(allocation.pages.size()));
uint8_t flags = m_page_table.get_page_flags(allocation.address);
PageTable::flags_t flags = m_page_table.get_page_flags(allocation.address);
for (size_t i = 0; i < allocation.pages.size(); i++)
{
paddr_t paddr = Heap::get().take_free_page();

4
kernel/kernel/Memory/VirtualRange.cpp
View File

@@ -6,7 +6,7 @@
namespace Kernel
{
BAN::ErrorOr<BAN::UniqPtr<VirtualRange>> VirtualRange::create_to_vaddr(PageTable& page_table, vaddr_t vaddr, size_t size, uint8_t flags)
BAN::ErrorOr<BAN::UniqPtr<VirtualRange>> VirtualRange::create_to_vaddr(PageTable& page_table, vaddr_t vaddr, size_t size, PageTable::flags_t flags)
{
ASSERT(size % PAGE_SIZE == 0);
ASSERT(vaddr % PAGE_SIZE == 0);
@@ -45,7 +45,7 @@ namespace Kernel
return result;
}
BAN::ErrorOr<BAN::UniqPtr<VirtualRange>> VirtualRange::create_to_vaddr_range(PageTable& page_table, vaddr_t vaddr_start, vaddr_t vaddr_end, size_t size, uint8_t flags)
BAN::ErrorOr<BAN::UniqPtr<VirtualRange>> VirtualRange::create_to_vaddr_range(PageTable& page_table, vaddr_t vaddr_start, vaddr_t vaddr_end, size_t size, PageTable::flags_t flags)
{
ASSERT(size % PAGE_SIZE == 0);
ASSERT(vaddr_start > 0);