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Primitie listing rootdir of FAT16 filesystem

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This commit is contained in:
Nigel Barink
2023-02-19 14:17:47 +01:00
parent 37542b736f
commit dbb147e110
8 changed files with 86 additions and 74 deletions
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4
source/kernel/drivers/ata/ataDevice.cpp
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@ -128,7 +128,7 @@ void ATA_DEVICE::Read(uint16_t DEVICE_CHANNEL, DEVICE_DRIVE drive, uint32_t LBA
return ;
}
printf("Read LBA: 0x%x\n", LBA);
//printf("Read LBA: 0x%x\n", LBA);
// Send 0xE0 for the "master" or 0xF0 for the "slave", ORed with the highest 4 bits of the LBA to port 0x1F6: outb(0x1F6, 0xE0 | (slavebit << 4) | ((LBA >> 24) & 0x0F))
outb(DEVICE_CHANNEL | 6 , ( 0xE0 | (LBA >>28) ) );
// Send a NULL byte to port 0x1F1, if you like (it is ignored and wastes lots of CPU time): outb(0x1F1, 0x00)
@ -156,7 +156,7 @@ void ATA_DEVICE::Read(uint16_t DEVICE_CHANNEL, DEVICE_DRIVE drive, uint32_t LBA
return;
}
printf("Status: %x\n", status);
//printf("Status: %x\n", status);
// Check if busy!
while((status & 0x80) == 0x80){
printf("Reading....\r");

4
source/kernel/drivers/ata/ataDevice.h
View File

@ -10,7 +10,6 @@
* This first driver wil make use of IO ports.
* Doing so means reading or writing from disk is going
* to be very cpu intensive.
*
*/
enum DEVICE_DRIVE{
@ -18,9 +17,6 @@ enum DEVICE_DRIVE{
SLAVE = 0xB0
};
namespace ATA_DEVICE{
void Identify(uint16_t, DEVICE_DRIVE);
void Read (uint16_t, DEVICE_DRIVE, uint32_t, uint16_t*);