Add MPT API (newBoot)

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

5 files changed, 147 insertions, 0 deletions

diff --git a/newBoot/Source/MPT/.hgkeep b/newBoot/Source/MPT/.hgkeep
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/newBoot/Source/MPT/.hgkeep
diff --git a/newBoot/Source/MPT/API.cxx b/newBoot/Source/MPT/API.cxx
new file mode 100644
index 00000000..2cedd73e
--- /dev/null
+++ b/newBoot/Source/MPT/API.cxx
@@ -0,0 +1,71 @@
+/*
+ *	========================================================
+ *
+ *	newBoot
+ * 	Copyright Mahrouss Logic, all rights reserved.
+ *
+ * 	========================================================
+ */
+
+#include "API.hxx"
+
+struct Files32FileHdr
+{
+    char Filename[32];
+    char Ext[3];
+    char Attr;
+    char Case;
+    char CreateMs;
+    unsigned short Create;
+    unsigned short CreateDate;
+    unsigned short LastAccess;
+    unsigned short Timestamp;
+    unsigned short Datestamp;
+    unsigned short StartLba;
+    unsigned int   SizeFile;
+};
+
+#define kFilesR 0x01 /* read-only */
+#define kFilesH 0x02 /* hidden */
+#define kFilesS 0x04 /* system */
+#define kFilesL 0x08 /* volume label */
+#define kFilesD 0x10 /* directory */
+#define kFilesZ 0x20 /* archive */
+
+// @brief Array of unused bits.
+#define kFilesU { 0x40, 0x80 }
+
+struct Files32FileGroup {
+    Files32FileHdr* fHdr{ nullptr };
+
+    Files32FileGroup* fUpper{ nullptr };
+    Files32FileGroup* fLower{ nullptr };
+    Files32FileGroup* fPrev{ nullptr };
+    Files32FileGroup* fNext{ nullptr };
+} kRootGroup = nullptr;
+
+extern "C" Assert(bool expr);
+extern "C" void* AllocPtr(long sz);
+
+namespace detail
+{
+template <typename Cls>
+Cls* new_class()
+{
+    Cls* cls = (Cls*)AllocPtr(sizeof(Cls));
+    *cls = Cls();
+
+    return cls;
+}
+}
+
+namespace mpt
+{
+bool filesystem_init(void)
+{
+    kRootGroup = detail::new_class<Files32FileGroup>();
+    Assert(kRootGroup != nullptr);
+
+    return true;
+}
+}
\ No newline at end of file
diff --git a/newBoot/Source/MPT/API.hxx b/newBoot/Source/MPT/API.hxx
new file mode 100644
index 00000000..42822371
--- /dev/null
+++ b/newBoot/Source/MPT/API.hxx
@@ -0,0 +1,17 @@
+/*
+ *	========================================================
+ *
+ *	newBoot
+ * 	Copyright Mahrouss Logic, all rights reserved.
+ *
+ * 	========================================================
+ */
+
+#pragma once
+
+namespace mpt
+{
+/// initializes the Master Partition Table Files32 filesystem.
+/// \return status, assert(fail) is also triggered, use filesystem_hook_error if you want to catch it.
+bool filesystem_init(void);
+}
\ No newline at end of file
diff --git a/newBoot/Source/MPT/FileType.hxx b/newBoot/Source/MPT/FileType.hxx
new file mode 100644
index 00000000..26beb114
--- /dev/null
+++ b/newBoot/Source/MPT/FileType.hxx
@@ -0,0 +1,30 @@
+/*
+ *	========================================================
+ *
+ *	newBoot
+ * 	Copyright Mahrouss Logic, all rights reserved.
+ *
+ * 	========================================================
+ */
+
+#pragma once
+
+// @brief this file purpose is to read/write files.
+
+#include <NewKit/Defines.hpp>
+
+/// \brief File buffer class
+/// \tparam _Manager The disk manager
+template <typename _Manager>
+class FileType
+{
+public:
+    hCore::SizeT DiskId{ 0 };
+    hCore::VoidPtr DiskSpace{ nullptr };
+    hCore::SizeT DiskSize{ 0 };
+    hCore::Int32 DiskError{ 0 };
+
+    FileType* Read(const char* path) { return _Manager::Read(path); }
+    FileType* Write(FileType* path) { return _Manager::Write(path); }
+
+};
\ No newline at end of file
diff --git a/newBoot/Source/MPT/MPT.hxx b/newBoot/Source/MPT/MPT.hxx
new file mode 100644
index 00000000..d407a2f2
--- /dev/null
+++ b/newBoot/Source/MPT/MPT.hxx
@@ -0,0 +1,29 @@
+/*
+ *	========================================================
+ *
+ *	newBoot
+ * 	Copyright Mahrouss Logic, all rights reserved.
+ *
+ * 	========================================================
+ */
+
+#pragma once
+
+// @brief 255 size partition header.
+// we use that to gather information about this hard drive.
+
+struct MasterPartitionTable final
+{
+    char fPartName[32];
+    int  fPartType;
+    int  fPartSectorSz;
+    int  fPartSectorCnt;
+    char fReserved[211];
+};
+
+enum
+{
+    kPartEfi = 'efi',
+    kPartEpm = 'epm',
+    kPartEbr = 'ebr',
+};
\ No newline at end of file