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Kernel: Parse boot modules from Multiboot specification

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This commit is contained in:
Jean-Baptiste Boric 2021-01-19 19:13:03 +01:00 • committed by Andreas Kling
parent 3cbe805486
commit ec056f3bd1
4 changed files with 68 additions and 15 deletions
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24
Kernel/VM/MemoryManager.h
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@ -67,6 +67,26 @@ inline u32 virtual_to_low_physical(u32 physical)
class KBuffer;
class SynthFSInode;
enum class UsedMemoryRangeType {
LowMemory = 0,
Kernel,
BootModule,
};
constexpr static const char* UserMemoryRangeTypeNames[] {
"Low memory",
"Kernel",
"Boot module",
};
struct UsedMemoryRange {
UsedMemoryRangeType type;
PhysicalAddress start;
PhysicalAddress end;
};
const LogStream& operator<<(const LogStream& stream, const UsedMemoryRange& value);
#define MM Kernel::MemoryManager::the()
struct MemoryManagerData {
@ -93,6 +113,7 @@ public:
static MemoryManager& the();
static bool is_initialized();
static void early_initialize();
static void initialize(u32 cpu);
static inline MemoryManagerData& get_data()
@ -165,6 +186,8 @@ public:
PageDirectory& kernel_page_directory() { return *m_kernel_page_directory; }
const Vector<UsedMemoryRange>& used_memory_ranges() { return m_used_memory_ranges; }
private:
MemoryManager();
~MemoryManager();
@ -221,6 +244,7 @@ private:
InlineLinkedList<Region> m_user_regions;
InlineLinkedList<Region> m_kernel_regions;
Vector<UsedMemoryRange> m_used_memory_ranges;
InlineLinkedList<VMObject> m_vmobjects;