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Kernel: Move devices into Kernel/Devices/.

This commit is contained in:
Andreas Kling 2019-04-03 12:36:40 +02:00
parent 072ea7eece
commit ab43658c55
42 changed files with 53 additions and 54 deletions

View file

@ -0,0 +1,48 @@
#pragma once
#include <Kernel/Lock.h>
#include <AK/RetainPtr.h>
#include <Kernel/Devices/DiskDevice.h>
#include "IRQHandler.h"
class IDEDiskDevice final : public IRQHandler, public DiskDevice {
public:
static Retained<IDEDiskDevice> create();
virtual ~IDEDiskDevice() override;
// ^DiskDevice
virtual unsigned block_size() const override;
virtual bool read_block(unsigned index, byte*) const override;
virtual bool write_block(unsigned index, const byte*) override;
protected:
IDEDiskDevice();
private:
// ^IRQHandler
virtual void handle_irq() override;
// ^DiskDevice
virtual const char* class_name() const override;
struct CHS {
dword cylinder;
word head;
word sector;
};
CHS lba_to_chs(dword) const;
void initialize();
bool wait_for_irq();
bool read_sectors(dword start_sector, word count, byte* buffer);
bool write_sectors(dword start_sector, word count, const byte* data);
Lock m_lock;
word m_cylinders { 0 };
word m_heads { 0 };
word m_sectors_per_track { 0 };
volatile bool m_interrupted { false };
volatile byte m_device_error { 0 };
};