add from giga-device, new branch added

2025-08-21 16:51:25 +08:00
commit 43bbc06bbb
1296 changed files with 264186 additions and 0 deletions
@@ -0,0 +1,80 @@
+//-----------------------------------------------------------------------
+//-----------------------------------------------------------------------
+//     file="DataHead.cs"
+//     Project: StgSharp
+//     AuthorGroup: Nitload Space
+//     Copyright (c) Nitload Space. All rights reserved.
+//     
+//     Permission is hereby granted, free of charge, to any person 
+//     obtaining a copy of this software and associated documentation 
+//     files (the “Software”), to deal in the Software without restriction, 
+//     including without limitation the rights to use, copy, modify, merge,
+//     publish, distribute, sublicense, and/or sell copies of the Software, 
+//     and to permit persons to whom the Software is furnished to do so, 
+//     subject to the following conditions:
+//     
+//     The above copyright notice and 
+//     this permission notice shall be included in all copies 
+//     or substantial portions of the Software.
+//     
+//     THE SOFTWARE IS PROVIDED “AS IS”, 
+//     WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, 
+//     INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
+//     FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 
+//     IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 
+//     DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 
+//     ARISING FROM, OUT OF OR IN CONNECTION WITH 
+//     THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//     
+//-----------------------------------------------------------------------
+//-----------------------------------------------------------------------
+using StgSharp.HighPerformance;
+
+using System;
+using System.Numerics;
+using System.Runtime.InteropServices;
+
+namespace StgSharp.Internal
+{
+    [StructLayout( LayoutKind.Explicit, Size = 16 )]
+    public struct SSDSegmentHead
+    {
+
+        [FieldOffset( 12 )] internal byte size;
+
+        [FieldOffset( 0 )] internal M128 data;
+        [FieldOffset( 13 )] public byte selfDefine_1;
+        [FieldOffset( 14 )] public byte selfDefine_2;
+        [FieldOffset( 15 )] public byte selfDefine_3;
+
+        [FieldOffset( 0 )] public int globalID;
+        [FieldOffset( 4 )] public int nextID;
+        [FieldOffset( 8 )] public int previousHash;
+
+        public int Size
+        {
+            get => ( ( int )size ) + 1;
+            set
+            {
+                if( ( value > 256 ) || ( value < 0 ) ) {
+                    throw new ArgumentOutOfRangeException();
+                }
+                size = ( byte )( value - 1 );
+            }
+        }
+
+        public unsafe byte[] GetBytes()
+        {
+            byte[] ret = new byte[16];
+            fixed( M128* vptr = &data )
+            {
+                byte* bptr = ( byte* )vptr;
+                for( int i = 0; i < 15; i++ ) {
+                    ret[ i ] = *bptr;
+                }
+            }
+            return ret;
+        }
+
+    }
+}