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authorAmlal <amlal.elmahrouss@icloud.com>2025-01-27 15:09:24 +0100
committerAmlal <amlal.elmahrouss@icloud.com>2025-01-27 15:09:24 +0100
commita4d64ddc1375f40a4c72bd2ba9326df04058c9bb (patch)
treebee09c5cd413151a84183c1ebc8ca81ab7c3c88b /dev/Kernel/HALKit/AMD64/Storage/ATA-PIO.cc
parent974d89be4047f92b9f55e3e8821f4b89c9ab945b (diff)
Bump and fixes.
Signed-off-by: Amlal <amlal.elmahrouss@icloud.com>
Diffstat (limited to 'dev/Kernel/HALKit/AMD64/Storage/ATA-PIO.cc')
-rw-r--r--dev/Kernel/HALKit/AMD64/Storage/ATA-PIO.cc195
1 files changed, 0 insertions, 195 deletions
diff --git a/dev/Kernel/HALKit/AMD64/Storage/ATA-PIO.cc b/dev/Kernel/HALKit/AMD64/Storage/ATA-PIO.cc
deleted file mode 100644
index 6e523cb7..00000000
--- a/dev/Kernel/HALKit/AMD64/Storage/ATA-PIO.cc
+++ /dev/null
@@ -1,195 +0,0 @@
-/* -------------------------------------------
-
- Copyright (C) 2024, Amlal EL Mahrouss, all rights reserved.
-
-------------------------------------------- */
-
-/**
- * @file ATA-PIO.cc
- * @author Amlal EL Mahrouss (amlalelmahrouss@icloud.com)
- * @brief ATA driver (PIO mode).
- * @version 0.1
- * @date 2024-02-02
- *
- * @copyright Copyright (c) Amlal EL Mahrouss
- *
- */
-
-#include <Mod/ATA/ATA.h>
-#include <ArchKit/ArchKit.h>
-
-#ifdef __ATA_PIO__
-
-using namespace Kernel;
-using namespace Kernel::HAL;
-
-/// bugs: 0
-
-#define kATADataLen 256
-
-STATIC Boolean kATADetected = false;
-STATIC Int32 kATADeviceType = kATADeviceCount;
-STATIC Char kATAData[kATADataLen] = {0};
-
-Boolean drv_std_wait_io(UInt16 IO)
-{
- for (int i = 0; i < 400; i++)
- rt_in8(IO + ATA_REG_STATUS);
-
-ATAWaitForIO_Retry:
- auto rdy = rt_in8(IO + ATA_REG_STATUS);
-
- if ((rdy & ATA_SR_BSY))
- goto ATAWaitForIO_Retry;
-
-ATAWaitForIO_Retry2:
- rdy = rt_in8(IO + ATA_REG_STATUS);
-
- if (rdy & ATA_SR_ERR)
- return false;
-
- if (!(rdy & ATA_SR_DRDY))
- goto ATAWaitForIO_Retry2;
-
- return true;
-}
-
-Void drv_std_select(UInt16 Bus)
-{
- if (Bus == ATA_PRIMARY_IO)
- rt_out8(Bus + ATA_REG_HDDEVSEL, ATA_PRIMARY_SEL);
- else
- rt_out8(Bus + ATA_REG_HDDEVSEL, ATA_SECONDARY_SEL);
-}
-
-Boolean drv_std_init(UInt16 Bus, UInt8 Drive, UInt16& OutBus, UInt8& OutMaster)
-{
- UInt16 IO = Bus;
-
- drv_std_select(IO);
-
-ATAInit_Retry:
- // Bus init, NEIN bit.
- rt_out8(IO + ATA_REG_NEIN, 1);
-
- // identify until it's good
-
- auto rdy = rt_in8(IO + ATA_REG_STATUS);
-
- if (rdy & ATA_SR_ERR)
- {
- kcout << "ATA Error, aborting...\r";
-
- return false;
- }
-
- if ((rdy & ATA_SR_BSY))
- {
- kcout << "Retrying as controller is busy...\r";
- goto ATAInit_Retry;
- }
-
- rt_out8(IO + ATA_REG_COMMAND, ATA_CMD_IDENTIFY);
-
- /// fetch serial info
- /// model, speed, number of sectors...
-
- drv_std_wait_io(IO);
-
- for (SizeT indexData = 0ul; indexData < kATADataLen; ++indexData)
- {
- kATAData[indexData] = rt_in16(IO + ATA_REG_DATA);
- }
-
- OutBus = (Bus == ATA_PRIMARY_IO) ? ATA_PRIMARY_IO : ATA_SECONDARY_IO;
-
- OutMaster = (Bus == ATA_PRIMARY_IO) ? ATA_MASTER : ATA_SLAVE;
-
- return YES;
-}
-
-Void drv_std_read(UInt64 Lba, UInt16 IO, UInt8 Master, Char* Buf, SizeT SectorSz, SizeT Size)
-{
- Lba /= SectorSz;
-
- UInt8 Command = ((!Master) ? 0xE0 : 0xF0);
-
- drv_std_wait_io(IO);
- drv_std_select(IO);
-
- rt_out8(IO + ATA_REG_HDDEVSEL, (Command) | (((Lba) >> 24) & 0x0F));
-
- rt_out8(IO + ATA_REG_SEC_COUNT0, ((Size + SectorSz) / SectorSz));
-
- rt_out8(IO + ATA_REG_LBA0, (Lba) & 0xFF);
- rt_out8(IO + ATA_REG_LBA1, (Lba) >> 8);
- rt_out8(IO + ATA_REG_LBA2, (Lba) >> 16);
- rt_out8(IO + ATA_REG_LBA3, (Lba) >> 24);
-
- rt_out8(IO + ATA_REG_COMMAND, ATA_CMD_READ_PIO);
-
- drv_std_wait_io(IO);
-
- for (SizeT IndexOff = 0; IndexOff < Size; ++IndexOff)
- {
- drv_std_wait_io(IO);
- Buf[IndexOff] = rt_in16(IO + ATA_REG_DATA);
- drv_std_wait_io(IO);
- }
-
- drv_std_wait_io(IO);
-}
-
-Void drv_std_write(UInt64 Lba, UInt16 IO, UInt8 Master, Char* Buf, SizeT SectorSz, SizeT Size)
-{
- Lba /= SectorSz;
-
- UInt8 Command = ((!Master) ? 0xE0 : 0xF0);
-
- drv_std_wait_io(IO);
- drv_std_select(IO);
-
- rt_out8(IO + ATA_REG_HDDEVSEL, (Command) | (((Lba) >> 24) & 0x0F));
-
- rt_out8(IO + ATA_REG_SEC_COUNT0, ((Size + (SectorSz)) / SectorSz));
-
- rt_out8(IO + ATA_REG_LBA0, (Lba) & 0xFF);
- rt_out8(IO + ATA_REG_LBA1, (Lba) >> 8);
- rt_out8(IO + ATA_REG_LBA2, (Lba) >> 16);
- rt_out8(IO + ATA_REG_LBA3, (Lba) >> 24);
-
- rt_out8(IO + ATA_REG_COMMAND, ATA_CMD_WRITE_PIO);
-
- drv_std_wait_io(IO);
-
- for (SizeT IndexOff = 0; IndexOff < Size; ++IndexOff)
- {
- drv_std_wait_io(IO);
- rt_out16(IO + ATA_REG_DATA, Buf[IndexOff]);
- drv_std_wait_io(IO);
- }
-
- drv_std_wait_io(IO);
-}
-
-/// @brief is ATA detected?
-Boolean drv_std_detected(Void)
-{
- return kATADetected;
-}
-
-/***
- @brief Getter, gets the number of sectors inside the drive.
-*/
-Kernel::SizeT drv_get_sector_count()
-{
- return (kATAData[61] << 16) | kATAData[60];
-}
-
-/// @brief Get the drive size.
-Kernel::SizeT drv_get_size()
-{
- return (drv_get_sector_count()) * kATASectorSize;
-}
-
-#endif /* ifdef __ATA_PIO__ */