NewBoot: Add ATA driver for NewFS/EPM.

Also added a ATAHelper class.

Signed-off-by: Amlal El Mahrouss <amlalelmahrouss@icloud.com>

2 files changed, 146 insertions, 1 deletions

diff --git a/Private/NewBoot/BootKit/Arch/ATA.hxx b/Private/NewBoot/BootKit/Arch/ATA.hxx
new file mode 100644
index 00000000..8327f5c8
--- /dev/null
+++ b/Private/NewBoot/BootKit/Arch/ATA.hxx
@@ -0,0 +1,141 @@
+/*
+ *	========================================================
+ *
+ *	NewBoot
+ * 	Copyright Mahrouss Logic, all rights reserved.
+ *
+ * 	========================================================
+ */
+
+#pragma once
+
+#include <CompilerKit/CompilerKit.hpp>
+#include <NewKit/Defines.hpp>
+
+using namespace HCore;
+
+// Status register
+#define ATA_SR_BSY 0x80
+#define ATA_SR_DRDY 0x40
+#define ATA_SR_DF 0x20
+#define ATA_SR_DSC 0x10
+#define ATA_SR_DRQ 0x08
+#define ATA_SR_CORR 0x04
+#define ATA_SR_IDX 0x02
+#define ATA_SR_ERR 0x01
+
+// Error register
+#define ATA_ER_BBK 0x80
+#define ATA_ER_UNC 0x40
+#define ATA_ER_MC 0x20
+#define ATA_ER_IDNF 0x10
+#define ATA_ER_MCR 0x08
+#define ATA_ER_ABRT 0x04
+#define ATA_ER_TK0NF 0x02
+#define ATA_ER_AMNF 0x01
+
+#define ATA_CMD_READ_PIO 0x20
+#define ATA_CMD_READ_PIO_EXT 0x24
+#define ATA_CMD_READ_DMA 0xC8
+#define ATA_CMD_READ_DMA_EXT 0x25
+#define ATA_CMD_WRITE_PIO 0x30
+#define ATA_CMD_WRITE_PIO_EXT 0x34
+#define ATA_CMD_WRITE_DMA 0xCA
+#define ATA_CMD_WRITE_DMA_EXT 0x35
+#define ATA_CMD_CACHE_FLUSH 0xE7
+#define ATA_CMD_CACHE_FLUSH_EXT 0xEA
+#define ATA_CMD_PACKET 0xA0
+#define ATA_CMD_IDENTIFY_PACKET 0xA1
+#define ATA_CMD_IDENTIFY 0xEC
+
+#define ATA_IDENT_DEVICE_TYPE 0
+#define ATA_IDENT_CYLINDERS 2
+#define ATA_IDENT_HEADS 6
+#define ATA_IDENT_SECTORS 12
+#define ATA_IDENT_SERIAL 20
+#define ATA_IDENT_MODEL 54
+#define ATA_IDENT_CAPABILITIES 98
+#define ATA_IDENT_FIELDVALID 106
+#define ATA_IDENT_MAX_LBA 120
+#define ATA_IDENT_COMMANDSETS 164
+#define ATA_IDENT_MAX_LBA_EXT 200
+
+#define ATA_MASTER 0x00
+#define ATA_SLAVE 0x01
+
+// Register
+#define ATA_REG_DATA 0x00
+#define ATA_REG_ERROR 0x01
+#define ATA_REG_FEATURES 0x01
+#define ATA_REG_SEC_COUNT0 0x02
+#define ATA_REG_LBA0 0x03
+#define ATA_REG_LBA1 0x04
+#define ATA_REG_LBA2 0x05
+#define ATA_REG_HDDEVSEL 0x06
+#define ATA_REG_COMMAND 0x07
+#define ATA_REG_STATUS 0x07
+#define ATA_REG_SEC_COUNT1 0x08
+#define ATA_REG_LBA3 0x09
+#define ATA_REG_LBA4 0x0A
+#define ATA_REG_LBA5 0x0B
+#define ATA_REG_CONTROL 0x0C
+#define ATA_REG_ALT_STATUS 0x0C
+#define ATA_REG_DEV_ADDRESS 0x0D
+
+#define ATA_PRIMARY_IO 0x1F0
+#define ATA_SECONDARY_IO 0x170
+#define ATA_PRIMARY_DCR_AS 0x3F6
+#define ATA_SECONDARY_DCR_AS 0x376
+
+// Irq
+#define ATA_PRIMARY_IRQ 14
+#define ATA_SECONDARY_IRQ 15
+
+// Channels
+#define ATA_PRIMARY 0x00
+#define ATA_SECONDARY 0x01
+
+// IO Direction
+#define ATA_READ 0x00
+#define ATA_WRITE 0x013
+
+#define ATA_PRIMARY_SEL 0xA0
+#define ATA_SECONDARY_SEL 0xB0
+
+// ATA Helpers
+#define ATA_ADDRESS1(x) (x + 3)
+#define ATA_ADDRESS2(x) (x + 4)
+#define ATA_ADDRESS3(x) (x + 5)
+#define ATA_COMMAND(x) (x + 7)
+
+Boolean ATAInitDriver(UInt8 Bus, UInt8 Drv);
+Void ATAWait(UInt16 IO);
+UInt16 ATAReadLba(UInt32 Lba, UInt8 Bus, Boolean Master);
+Void ATAWriteLba(UInt16 Byte, UInt32 Lba, UInt8 Bus, Boolean Master);
+Boolean ATAIsDetected(Void);
+
+class ATAHelper final {
+ public:
+  enum {
+    kPrimary = ATA_PRIMARY,
+    kSecondary = ATA_SECONDARY,
+  };
+
+  explicit ATAHelper() noexcept;
+
+  HCORE_COPY_DEFAULT(ATAHelper);
+
+  struct ATATraits final {
+    SizeT mBase{1024};
+    UInt8 mBus{kPrimary};
+    Boolean mMaster{false};
+  };
+
+  ATAHelper& Read(WideChar*, const SizeT&);
+  ATAHelper& Write(WideChar*, const SizeT&);
+
+  ATATraits& Traits();
+
+ private:
+  ATATraits mTraits;
+};
diff --git a/Private/NewBoot/BootKit/BootKit.hxx b/Private/NewBoot/BootKit/BootKit.hxx
index cec3bdc2..73bbce37 100644
--- a/Private/NewBoot/BootKit/BootKit.hxx
+++ b/Private/NewBoot/BootKit/BootKit.hxx
@@ -14,6 +14,7 @@
 
 #pragma once
 
+#include <BootKit/Arch/ATA.hxx>
 #include <NewKit/Defines.hpp>
 
 using namespace HCore;
@@ -27,7 +28,7 @@ enum {
   kSegmentBss = 6,
 };
 
-typedef wchar_t CharacterType;
+typedef WideChar CharacterType;
 
 /**
  * @brief BootKit Text Writer class
@@ -80,6 +81,9 @@ class BFileReader final {
  private:
   Int32 mErrorCode{kOperationOkay};
   CharacterType mPath[255];
+
+ private:
+  ATAHelper mHelper;
 };
 
 /***********************************************************************************/