mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-12-28 13:43:45 +03:00
27f699ef0c
These types can be picked up by including <AK/Types.h>: * u8, u16, u32, u64 (unsigned) * i8, i16, i32, i64 (signed)
48 lines
972 B
C++
48 lines
972 B
C++
#pragma once
|
|
|
|
#include <AK/RefPtr.h>
|
|
#include <AK/Vector.h>
|
|
#include <Kernel/Devices/DiskDevice.h>
|
|
#include <Kernel/Devices/DiskPartition.h>
|
|
|
|
#define MBR_SIGNATURE 0xaa55
|
|
|
|
struct MBRPartitionEntry {
|
|
u8 status;
|
|
u8 chs1[3];
|
|
u8 type;
|
|
u8 chs2[3];
|
|
u32 offset;
|
|
u32 length;
|
|
} __attribute__((packed));
|
|
|
|
struct MBRPartitionHeader {
|
|
u8 code1[218];
|
|
u16 ts_zero;
|
|
u8 ts_drive, ts_seconds, ts_minutes, ts_hours;
|
|
u8 code2[216];
|
|
u32 disk_signature;
|
|
u16 disk_signature_zero;
|
|
MBRPartitionEntry entry[4];
|
|
u16 mbr_signature;
|
|
} __attribute__((packed));
|
|
|
|
class MBRPartitionTable {
|
|
AK_MAKE_ETERNAL
|
|
|
|
public:
|
|
MBRPartitionTable(NonnullRefPtr<DiskDevice>&& device);
|
|
~MBRPartitionTable();
|
|
|
|
bool initialize();
|
|
RefPtr<DiskPartition> partition(unsigned index);
|
|
|
|
private:
|
|
NonnullRefPtr<DiskDevice> m_device;
|
|
|
|
ByteBuffer read_header() const;
|
|
const MBRPartitionHeader& header() const;
|
|
|
|
u8 m_cached_header[512];
|
|
};
|