Basic idea's are created for the storage solution
- Added boot device info parsing to the kernel - Added a pointer in the kernel to our pre-kernel BootInfo structure - Created a layout for the FAT driver - Created a layout for the virtual filesystem - Separated IDE driver from the basic atapio driver. This will ensure we are not using one or the other - The create_harddrive shell script will now actually build a harddrive image of the kernel - The virtual filesystem initializes and creates a filesystem structure for every FAT16 partition in the master boot record
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36
kernel/storage/ata pio/ATAPIO.h
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36
kernel/storage/ata pio/ATAPIO.h
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#pragma once
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#include <stdint-gcc.h>
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#include "../ide/ideCommands.h"
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#include "../ide/sampleIDE.definitions.h"
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#include "../../devices/BlockDevice.h"
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#include "../../terminal/kterm.h"
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/*
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* This first driver wil make use of IO ports.
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* Doing so means reading or writing from disk is going
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* to be very cpu intensive.
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*/
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enum DEVICE_DRIVE{
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MASTER = 0xA0,
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SLAVE = 0xB0
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};
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enum ATAPIO_PORT {
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Primary = 0x1f0,
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Secondary = 0x170
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};
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class ATAPIO
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{
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public:
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static bool Identify(ATAPIO_PORT, DEVICE_DRIVE);
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static void Read (uint16_t, DEVICE_DRIVE, uint32_t, uint16_t*);
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static void Write(uint16_t, DEVICE_DRIVE);
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static void Soft_Reset(ATAPIO_PORT , DEVICE_DRIVE );
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};
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