From a481180f3bcb979fecdced3851506bf572327fcf Mon Sep 17 00:00:00 2001
From: Amlal El Mahrouss <amlalelmahrouss@icloud.com>
Date: Sat, 24 Feb 2024 17:29:16 +0100
Subject: Kernel: Important commit, see below.

- Rename EFIKit to FirmwareKit.
- Reworked DriveManager, a mountpoint is a class which contains 4 disks
  at maximum, they act as virtual ones, their format doesn't matter.
- Add KeHCFSRead, and KeHCFSWrite.

Signed-off-by: Amlal El Mahrouss <amlalelmahrouss@icloud.com>
---
 Private/Source/DriveManager.cxx | 45 +------------------------------
 Private/Source/KernelMain.cxx   |  2 +-
 Private/Source/NewFS+IO.cxx     | 59 +++++++++++++++++++++++++++++++++++++++--
 3 files changed, 59 insertions(+), 47 deletions(-)

(limited to 'Private/Source')

diff --git a/Private/Source/DriveManager.cxx b/Private/Source/DriveManager.cxx
index 371758b1..27f6cc42 100644
--- a/Private/Source/DriveManager.cxx
+++ b/Private/Source/DriveManager.cxx
@@ -10,47 +10,4 @@
 #include <KernelKit/DebugOutput.hpp>
 #include <KernelKit/DriveManager.hpp>
 
-namespace HCore {
-DriveSelector::DriveSelector() : fDrive(nullptr) {}
-
-DriveSelector::~DriveSelector() {
-  if (fDrive) {
-    this->Unmount();
-  }
-}
-
-DriveTraits &DriveSelector::GetMounted() {
-  MUST_PASS(fDrive != nullptr);
-  return *fDrive;
-}
-
-bool DriveSelector::Mount(DriveTraits *drive) {
-  if (drive && drive->fReady()) {
-    if (fDrive != nullptr) {
-      this->Unmount();
-    }
-
-    fDrive = drive;
-    fDrive->fMount();
-
-    kcout << "Mount: " << fDrive->fName << "\n";
-
-    return true;
-  }
-
-  return false;
-}
-
-DriveTraits *DriveSelector::Unmount() {
-  if (!fDrive) return nullptr;
-
-  DriveTraits *drivePointer = fDrive;
-
-  fDrive->fUnmount();
-  fDrive = nullptr;
-
-  kcout << "Unmount: " << fDrive->fName << "\n";
-
-  return drivePointer;
-}
-}  // namespace HCore
+namespace HCore {}  // namespace HCore
diff --git a/Private/Source/KernelMain.cxx b/Private/Source/KernelMain.cxx
index e641c7e9..1b2698c4 100644
--- a/Private/Source/KernelMain.cxx
+++ b/Private/Source/KernelMain.cxx
@@ -8,7 +8,7 @@
  */
 
 #include <ArchKit/ArchKit.hpp>
-#include <EFIKit/Handover.hxx>
+#include <FirmwareKit/Handover.hxx>
 #include <KernelKit/FileManager.hpp>
 #include <KernelKit/Framebuffer.hpp>
 #include <KernelKit/PEFCodeManager.hxx>
diff --git a/Private/Source/NewFS+IO.cxx b/Private/Source/NewFS+IO.cxx
index 681b198a..2e6559c5 100644
--- a/Private/Source/NewFS+IO.cxx
+++ b/Private/Source/NewFS+IO.cxx
@@ -18,8 +18,63 @@
 
 #ifdef __FSKIT_NEWFS__
 
-/// @brief This implements NewFS with Device Abstraction in mind.
+#include <FirmwareKit/EPM.hxx>
 
-/// BUGS: 0
+/// Useful macros.
+
+#define NEWFS_WRITE(DRV, TRAITS, MP) (*MP->DRV()) << TRAITS
+#define NEWFS_READ(DRV, TRAITS, MP) (*MP->DRV()) >> TRAITS
+
+using namespace HCore;
+
+Int32 KeHCFSRead(Mountpoint* Mnt, DriveTraits& DrvTraits, Int32 DrvIndex) {
+  if (!Mnt) return -1;
+
+  switch (DrvIndex) {
+    case 0: {
+      NEWFS_READ(A, DrvTraits, Mnt);
+      break;
+    }
+    case 1: {
+      NEWFS_READ(B, DrvTraits, Mnt);
+      break;
+    }
+    case 2: {
+      NEWFS_READ(C, DrvTraits, Mnt);
+      break;
+    }
+    case 3: {
+      NEWFS_READ(D, DrvTraits, Mnt);
+      break;
+    }
+  }
+
+  return DrvTraits.fPacket.fPacketGood;
+}
+
+Int32 KeHCFSWrite(Mountpoint* Mnt, DriveTraits& DrvTraits, Int32 DrvIndex) {
+  if (!Mnt) return -1;
+
+  switch (DrvIndex) {
+    case 0: {
+      NEWFS_WRITE(A, DrvTraits, Mnt);
+      break;
+    }
+    case 1: {
+      NEWFS_WRITE(B, DrvTraits, Mnt);
+      break;
+    }
+    case 2: {
+      NEWFS_WRITE(C, DrvTraits, Mnt);
+      break;
+    }
+    case 3: {
+      NEWFS_WRITE(D, DrvTraits, Mnt);
+      break;
+    }
+  }
+
+  return DrvTraits.fPacket.fPacketGood;
+}
 
 #endif  // ifdef __FSKIT_NEWFS__
-- 
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