3 * InitRD Driver Version 1
8 #define DUMP_ON_MOUNT 1
11 extern tVFS_Node gInitRD_RootNode;
14 int InitRD_Install(char **Arguments);
15 tVFS_Node *InitRD_InitDevice(const char *Device, const char **Arguments);
16 void InitRD_Unmount(tVFS_Node *Node);
17 Uint64 InitRD_ReadFile(tVFS_Node *Node, Uint64 Offset, Uint64 Size, void *Buffer);
18 char *InitRD_ReadDir(tVFS_Node *Node, int ID);
19 tVFS_Node *InitRD_FindDir(tVFS_Node *Node, const char *Name);
20 void InitRD_DumpDir(tVFS_Node *Node, int Indent);
23 MODULE_DEFINE(0, 0x0A, FS_InitRD, InitRD_Install, NULL);
24 tVFS_Driver gInitRD_FSInfo = {
25 "initrd", 0, InitRD_InitDevice, InitRD_Unmount, NULL
29 * \brief Register initrd with the kernel
31 int InitRD_Install(char **Arguments)
33 Log_Notice("InitRD", "Installed");
34 VFS_AddDriver( &gInitRD_FSInfo );
40 * \brief Mount the InitRD
42 tVFS_Node *InitRD_InitDevice(const char *Device, const char **Arguments)
45 InitRD_DumpDir( &gInitRD_RootNode, 0 );
47 Log_Notice("InitRD", "Mounted");
48 return &gInitRD_RootNode;
52 * \brief Unmount the InitRD
54 void InitRD_Unmount(tVFS_Node *Node)
59 * \brief Read from a file
61 Uint64 InitRD_ReadFile(tVFS_Node *Node, Uint64 Offset, Uint64 Length, void *Buffer)
63 if(Offset > Node->Size)
65 if(Offset + Length > Node->Size)
66 Length = Node->Size - Offset;
68 memcpy(Buffer, Node->ImplPtr+Offset, Length);
74 * \brief Read from a directory
76 char *InitRD_ReadDir(tVFS_Node *Node, int ID)
78 tInitRD_File *dir = Node->ImplPtr;
83 return strdup(dir[ID].Name);
87 * \brief Find an element in a directory
89 tVFS_Node *InitRD_FindDir(tVFS_Node *Node, const char *Name)
92 tInitRD_File *dir = Node->ImplPtr;
94 LOG("Name = '%s'", Name);
96 for( i = 0; i < Node->Size; i++ )
98 if(strcmp(Name, dir[i].Name) == 0)
105 void InitRD_DumpDir(tVFS_Node *Node, int Indent)
108 char indent[Indent+1];
109 tInitRD_File *dir = Node->ImplPtr;
111 for( i = 0; i < Indent; i++ ) indent[i] = ' ';
114 for( i = 0; i < Node->Size; i++ )
116 Log_Debug("InitRD", "%s- %p %s", indent, dir[i].Node, dir[i].Name);
117 if(dir[i].Node->Flags & VFS_FFLAG_DIRECTORY)
118 InitRD_DumpDir(dir[i].Node, Indent+1);