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Kernel: Rename Range => VirtualRange

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...and also RangeAllocator => VirtualRangeAllocator.

This clarifies that the ranges we're dealing with are *virtual* memory
ranges and not anything else.
This commit is contained in:
Andreas Kling 2021-08-06 13:54:48 +02:00
parent 93d98d4976
commit cd5faf4e42
39 changed files with 207 additions and 207 deletions
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30
Kernel/Memory/MemoryManager.h
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@ -46,7 +46,7 @@ inline FlatPtr virtual_to_low_physical(FlatPtr virtual_)
return virtual_ - physical_to_virtual_offset;
}
enum class UsedMemoryRangeType {
enum class UsedMemoryVirtualRangeType {
LowMemory = 0,
Prekernel,
Kernel,
@ -54,7 +54,7 @@ enum class UsedMemoryRangeType {
PhysicalPages,
};
static constexpr StringView UserMemoryRangeTypeNames[] {
static constexpr StringView UserMemoryVirtualRangeTypeNames[] {
"Low memory",
"Prekernel",
"Kernel",
@ -62,18 +62,18 @@ static constexpr StringView UserMemoryRangeTypeNames[] {
"Physical Pages"
};
struct UsedMemoryRange {
UsedMemoryRangeType type {};
struct UsedMemoryVirtualRange {
UsedMemoryVirtualRangeType type {};
PhysicalAddress start;
PhysicalAddress end;
};
struct ContiguousReservedMemoryRange {
struct ContiguousReservedMemoryVirtualRange {
PhysicalAddress start;
PhysicalSize length {};
};
enum class PhysicalMemoryRangeType {
enum class PhysicalMemoryVirtualRangeType {
Usable = 0,
Reserved,
ACPI_Reclaimable,
@ -82,8 +82,8 @@ enum class PhysicalMemoryRangeType {
Unknown,
};
struct PhysicalMemoryRange {
PhysicalMemoryRangeType type { PhysicalMemoryRangeType::Unknown };
struct PhysicalMemoryVirtualRange {
PhysicalMemoryVirtualRangeType type { PhysicalMemoryVirtualRangeType::Unknown };
PhysicalAddress start;
PhysicalSize length {};
};
@ -185,7 +185,7 @@ public:
OwnPtr<Region> allocate_kernel_region(PhysicalAddress, size_t, StringView name, Region::Access access, Region::Cacheable = Region::Cacheable::Yes);
OwnPtr<Region> allocate_kernel_region_identity(PhysicalAddress, size_t, StringView name, Region::Access access, Region::Cacheable = Region::Cacheable::Yes);
OwnPtr<Region> allocate_kernel_region_with_vmobject(VMObject&, size_t, StringView name, Region::Access access, Region::Cacheable = Region::Cacheable::Yes);
OwnPtr<Region> allocate_kernel_region_with_vmobject(Range const&, VMObject&, StringView name, Region::Access access, Region::Cacheable = Region::Cacheable::Yes);
OwnPtr<Region> allocate_kernel_region_with_vmobject(VirtualRange const&, VMObject&, StringView name, Region::Access access, Region::Cacheable = Region::Cacheable::Yes);
struct SystemMemoryInfo {
PhysicalSize user_physical_pages { 0 };
@ -230,8 +230,8 @@ public:
PageDirectory& kernel_page_directory() { return *m_kernel_page_directory; }
Vector<UsedMemoryRange> const& used_memory_ranges() { return m_used_memory_ranges; }
bool is_allowed_to_mmap_to_userspace(PhysicalAddress, Range const&) const;
Vector<UsedMemoryVirtualRange> const& used_memory_ranges() { return m_used_memory_ranges; }
bool is_allowed_to_mmap_to_userspace(PhysicalAddress, VirtualRange const&) const;
PhysicalPageEntry& get_physical_page_entry(PhysicalAddress);
PhysicalAddress get_physical_address(PhysicalPage const&);
@ -288,9 +288,9 @@ private:
Region::ListInMemoryManager m_user_regions;
Region::ListInMemoryManager m_kernel_regions;
Vector<UsedMemoryRange> m_used_memory_ranges;
Vector<PhysicalMemoryRange> m_physical_memory_ranges;
Vector<ContiguousReservedMemoryRange> m_reserved_memory_ranges;
Vector<UsedMemoryVirtualRange> m_used_memory_ranges;
Vector<PhysicalMemoryVirtualRange> m_physical_memory_ranges;
Vector<ContiguousReservedMemoryVirtualRange> m_reserved_memory_ranges;
VMObject::List m_vmobjects;
};
@ -307,7 +307,7 @@ inline bool is_user_range(VirtualAddress vaddr, size_t size)
return is_user_address(vaddr) && is_user_address(vaddr.offset(size));
}
inline bool is_user_range(Range const& range)
inline bool is_user_range(VirtualRange const& range)
{
return is_user_range(range.base(), range.size());
}