kernel, HeFS (IMP): time algorithm.

Signed-off-by: Amlal El Mahrouss <amlal@nekernel.org>

1 files changed, 66 insertions, 5 deletions

diff --git a/dev/kernel/FSKit/HeFS.h b/dev/kernel/FSKit/HeFS.h
index 6e529ce4..8fdf933e 100644
--- a/dev/kernel/FSKit/HeFS.h
+++ b/dev/kernel/FSKit/HeFS.h
@@ -77,7 +77,7 @@ inline constexpr UInt16 kHeFSFileKindCount		  = 0x08;
 

 /// @brief HeFS blocks are array containing sparse blocks of data.

 /// @details The blocks are used to store the data of a file. Each block is a pointer to a block of data on the disk.

-inline constexpr UInt16 kHeFSBlockCount = 0x06;

+inline constexpr UInt16 kHeFSBlockCount = 0x10;

 

 struct PACKED HeFS_BOOT_NODE final

 {

@@ -103,9 +103,13 @@ struct PACKED HeFS_BOOT_NODE final
 /// @details Used to keep track of the INode, INodeDir allocation status.

 typedef Kernel::UInt64 ATime;

 

-inline constexpr ATime kHeFSTimeInvalid	= 0x0000000000000000;

-inline constexpr ATime kHeFSTimeMax	= 0xFFFFFFFFFFFFFFFF;

+inline constexpr ATime kHeFSTimeInvalid = 0x0000000000000000;

+inline constexpr ATime kHeFSTimeMax		= 0xFFFFFFFFFFFFFFFF;

 

+/// @brief HeFS index node.

+/// @details This structure is used to store the file information of a file.

+/// @note The index node is a special type of INode that contains the file information.

+/// @note The index node is used to store the file information of a file.

 struct PACKED HeFS_INDEX_NODE final

 {

 	Kernel::Utf16Char fName[kHeFSFileNameLen];

@@ -126,11 +130,14 @@ struct PACKED HeFS_INDEX_NODE final
 

 	Kernel::UInt64 fBlockRecoveryStart[kHeFSBlockCount];

 	Kernel::UInt64 fBlockRecoveryEnd[kHeFSBlockCount];

-	

+

 	/// @brief Red-black tree pointers.

 	Kernel::Lba fNext, fPrev, fChild, fParent;

 };

 

+/// @brief HeFS directory node.

+/// @details This structure is used to store the directory information of a file.

+/// @note The directory node is a special type of INode that contains the directory entries.

 struct PACKED HeFS_INDEX_NODE_DIRECTORY final

 {

 	Kernel::Utf16Char fName[kHeFSFileNameLen];

@@ -149,4 +156,58 @@ struct PACKED HeFS_INDEX_NODE_DIRECTORY final
 

 	/// @brief Red-black tree pointers.

 	Kernel::Lba fNext, fPrev, fChild, fParent;

-};
\ No newline at end of file
+};

+

+namespace Kernel::Detail

+{

+	/// @brief HeFS get year from ATime.

+	/// @param raw_atime the raw ATime value.

+	/// @return the year value.

+	/// @note The year is stored in the upper 32 bits of the ATime value.

+	inline UInt32 hefs_year_get(ATime raw_atime) noexcept

+	{

+		return (raw_atime & 0x00000000FFFFFFFF) >> 32;

+	}

+

+	/// @brief HeFS get month from ATime.

+	/// @param raw_atime the raw ATime value.

+	/// @return the month value.

+	/// @note The month is stored in the upper 24 bits of the ATime value.

+	inline UInt32 hefs_month_get(ATime raw_atime) noexcept

+	{

+		return (raw_atime & 0x00000000FFFFFFFF) >> 24;

+	}

+

+	/// @brief HeFS get day from ATime.

+	/// @param raw_atime the raw ATime value.

+	/// @return the day value.

+	/// @note The day is stored in the upper 16 bits of the ATime value.

+	inline UInt32 hefs_day_get(ATime raw_atime) noexcept

+	{

+		return (raw_atime & 0x00000000FFFFFFFF) >> 16;

+	}

+

+	/// @brief HeFS get hour from ATime.

+	/// @param raw_atime the raw ATime value.

+	/// @return the hour value.

+	/// @note The hour is stored in the upper 8 bits of the ATime value.

+	inline UInt32 hefs_hour_get(ATime raw_atime) noexcept

+	{

+		return (raw_atime & 0x00000000FFFFFFFF) >> 8;

+	}

+

+	/// @brief HeFS get minute from ATime.

+	/// @param raw_atime the raw ATime value.

+	/// @return the minute value.

+	/// @note The minute is stored in the lower 8 bits of the ATime value.

+	inline UInt32 hefs_minute_get(ATime raw_atime) noexcept

+	{

+		return (raw_atime & 0x00000000FFFFFFFF);

+	}

+

+	inline constexpr UInt32 kHeFSBaseYear = 1970;

+	inline constexpr UInt32 kHeFSBaseMonth = 1;

+	inline constexpr UInt32 kHeFSBaseDay = 1;

+	inline constexpr UInt32 kHeFSBaseHour = 0;

+	inline constexpr UInt32 kHeFSBaseMinute = 0;

+} // namespace Kernel::Detail
\ No newline at end of file