Kernel: Improving AMD64 HAL, Add TIBInstall.asm, currently Working on

SMPManager and Bootloader.

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

6 files changed, 204 insertions, 0 deletions

diff --git a/Private/NewBoot/Source/MPT/.hgkeep b/Private/NewBoot/Source/MPT/.hgkeep
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/Private/NewBoot/Source/MPT/.hgkeep
diff --git a/Private/NewBoot/Source/MPT/API.cxx b/Private/NewBoot/Source/MPT/API.cxx
new file mode 100644
index 00000000..8c649024
--- /dev/null
+++ b/Private/NewBoot/Source/MPT/API.cxx
@@ -0,0 +1,70 @@
+/*
+ *	========================================================
+ *
+ *	NewBoot
+ * 	Copyright 2024 Mahrouss Logic, all rights reserved.
+ *
+ * 	========================================================
+ */
+
+#include "API.hxx"
+#include "Detail.hxx"
+
+#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 }
+
+namespace mpt::detail
+{
+    struct Files32FileHdr final
+    {
+        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;
+    };
+
+    struct Files32FileGroup final
+    {
+        Files32FileHdr* fHdr{ nullptr };
+
+        Files32FileGroup* fUpper{ nullptr };
+        Files32FileGroup* fLower{ nullptr };
+        Files32FileGroup* fPrev{ nullptr };
+        Files32FileGroup* fNext{ nullptr };
+    };
+
+    /* @brief external inits */
+    extern "C" int init_ata_mpt(void);
+    extern "C" int init_mpt(void);
+
+    Files32FileGroup* kRootGroup = nullptr;
+}
+
+namespace mpt
+{
+    bool init_mpt() noexcept
+    {
+        detail::kRootGroup = detail::new_class<detail::Files32FileGroup>();
+
+        assert(detail::kRootGroup != nullptr);
+        assert(detail::init_ata_mpt() == detail::okay);
+        assert(detail::init_mpt() == detail::okay);
+
+        return true;
+    }
+}
\ No newline at end of file
diff --git a/Private/NewBoot/Source/MPT/API.hxx b/Private/NewBoot/Source/MPT/API.hxx
new file mode 100644
index 00000000..2ba9bc74
--- /dev/null
+++ b/Private/NewBoot/Source/MPT/API.hxx
@@ -0,0 +1,17 @@
+/*
+ *	========================================================
+ *
+ *	NewBoot
+ * 	Copyright 2024 Mahrouss Logic, all rights reserved.
+ *
+ * 	========================================================
+ */
+
+#pragma once
+
+namespace mpt
+{
+    /// initializes the Master Partition Table and the Files32 filesystem.
+    /// \return status, assert(fail) is also triggered, use filesystem_hook_error if you want to catch it.
+    bool init_mpt() noexcept;
+}
\ No newline at end of file
diff --git a/Private/NewBoot/Source/MPT/Detail.hxx b/Private/NewBoot/Source/MPT/Detail.hxx
new file mode 100644
index 00000000..31636b90
--- /dev/null
+++ b/Private/NewBoot/Source/MPT/Detail.hxx
@@ -0,0 +1,52 @@
+/*
+*	========================================================
+*
+*	NewBoot
+* 	Copyright 2024 Mahrouss Logic, all rights reserved.
+*
+* 	========================================================
+*/
+
+#pragma once
+
+namespace detail
+{
+    inline void assert_expr(bool expr, const char* str_expr) const
+    {
+        if (!expr)
+        {
+            detail::panic("assertion failed!", str_expr);
+            detail::hang();
+        }
+    }
+
+    inline void hang() const
+    {
+        while (1)
+        {}
+    }
+
+    extern "C" void* new_ptr(long sz);
+
+    template <typename Cls>
+    inline Cls* new_class()
+    {
+        Cls* cls = (Cls*)new_ptr(sizeof(Cls));
+        *cls = Cls();
+
+        return cls;
+    }
+
+    enum
+    {
+        okay = 1,
+        failed = 0,
+    };
+}
+
+#ifdef assert
+#   undef assert
+#   define assert(expr) detail::assert_expr(expr, #expr)
+#endif // ifdef assert
+
+
diff --git a/Private/NewBoot/Source/MPT/FileType.hxx b/Private/NewBoot/Source/MPT/FileType.hxx
new file mode 100644
index 00000000..77408b25
--- /dev/null
+++ b/Private/NewBoot/Source/MPT/FileType.hxx
@@ -0,0 +1,36 @@
+/*
+ *	========================================================
+ *
+ *	NewBoot
+ * 	Copyright 2024 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 }; // identification number of the drive.
+    hCore::VoidPtr DiskSpace{ nullptr }; // the pointer containing the requested disk data.
+    hCore::SizeT DiskSize{ 0 }; // it's size
+    hCore::Int32 DiskError{ 0 }; // if it's going well.
+
+    FileType* Read(const char* path) { return _Manager::Read(path); }
+    FileType* Write(FileType* path) { return _Manager::Write(path); }
+
+    // little sanity test
+    operator bool()
+    {
+        return DiskError != 0 && DiskSize > 0;
+    }
+
+};
\ No newline at end of file
diff --git a/Private/NewBoot/Source/MPT/MPT.hxx b/Private/NewBoot/Source/MPT/MPT.hxx
new file mode 100644
index 00000000..c1b9c6a1
--- /dev/null
+++ b/Private/NewBoot/Source/MPT/MPT.hxx
@@ -0,0 +1,29 @@
+/*
+ *	========================================================
+ *
+ *	NewBoot
+ * 	Copyright 2024 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 = 0x10,
+    kPartEpm = 0x11,
+    kPartEbr = 0x12,
+};
\ No newline at end of file