Fixed a bug in the heap manager where if an exact match of the block is found, garbag...
[tpg/acess2.git] / Kernel / drv / vterm.c
index 575d71f..cf4efc7 100644 (file)
@@ -1,7 +1,8 @@
 /*
  * Acess2 Virtual Terminal Driver
  */
-#include <common.h>
+#define DEBUG  1
+#include <acess.h>
 #include <fs_devfs.h>
 #include <modules.h>
 #include <tpl_drv_video.h>
 #include <tpl_drv_terminal.h>
 #include <errno.h>
 
+#define        USE_CTRL_ALT    0
+
 // === CONSTANTS ===
 #define VERSION        ((0<<8)|(50))
 
-#define        NUM_VTS 7
+#define        NUM_VTS 8
 #define MAX_INPUT_CHARS32      64
 #define MAX_INPUT_CHARS8       (MAX_INPUT_CHARS32*4)
 #define VT_SCROLLBACK  1       // 2 Screens of text
 #define DEFAULT_OUTPUT "VGA"
 //#define DEFAULT_OUTPUT       "BochsGA"
+//#define DEFAULT_OUTPUT       "Vesa"
 #define DEFAULT_INPUT  "PS2Keyboard"
 #define        DEFAULT_WIDTH   80
 #define        DEFAULT_HEIGHT  25
@@ -38,13 +42,10 @@ typedef struct {
         int    Flags;  //!< Flags (see VT_FLAG_*)
        short   Width;  //!< Virtual Width
        short   Height; //!< Virtual Height
-       short   RealWidth;      //!< Real Width
-       short   RealHeight;     //!< Real Height
        
         int    ViewPos;        //!< View Buffer Offset (Text Only)
         int    WritePos;       //!< Write Buffer Offset (Text Only)
        Uint32  CurColour;      //!< Current Text Colour
-       char    Name[2];        //!< Name of the terminal
        
         int    InputRead;      //!< Input buffer read position
         int    InputWrite;     //!< Input buffer write position
@@ -53,6 +54,7 @@ typedef struct {
                tVT_Char        *Text;
                Uint32          *Buffer;
        };
+       char    Name[2];        //!< Name of the terminal
        tVFS_Node       Node;
 } tVTerm;
 
@@ -98,6 +100,10 @@ tDevFS_Driver       gVT_DrvInfo = {
 // --- Terminals ---
 tVTerm gVT_Terminals[NUM_VTS];
  int   giVT_CurrentTerminal = 0;
+// --- Video State ---
+short  giVT_RealWidth; //!< Real Width
+short  giVT_RealHeight;        //!< Real Height
+ int   gbVT_TextMode = 1;
 // --- Driver Handles ---
 char   *gsVT_OutputDevice = NULL;
 char   *gsVT_InputDevice = NULL;
@@ -154,8 +160,8 @@ int VT_Install(char **Arguments)
        if(!gsVT_OutputDevice)  gsVT_OutputDevice = "/Devices/"DEFAULT_OUTPUT;
        if(!gsVT_InputDevice)   gsVT_InputDevice = "/Devices/"DEFAULT_INPUT;
        
-       LOG("Using '%s' as output", gsVT_OutputDevice);
-       LOG("Using '%s' as input", gsVT_InputDevice);
+       Log_Log("VTerm", "Using '%s' as output", gsVT_OutputDevice);
+       Log_Log("VTerm", "Using '%s' as input", gsVT_InputDevice);
        
        // Create Nodes
        for( i = 0; i < NUM_VTS; i++ )
@@ -187,7 +193,7 @@ int VT_Install(char **Arguments)
        // Set kernel output to VT0
        Debug_SetKTerminal("/Devices/VTerm/0");
        
-       return 0;
+       return MODULE_ERR_OK;
 }
 
 /**
@@ -315,7 +321,7 @@ Uint64 VT_Read(tVFS_Node *Node, Uint64 Offset, Uint64 Length, void *Buffer)
                break;
        
        case TERM_MODE_FB:
-       case TERM_MODE_OPENGL:
+       //case TERM_MODE_:
                while(pos < Length)
                {
                        while(term->InputRead == term->InputWrite)      Threads_Yield();
@@ -345,6 +351,28 @@ Uint64 VT_Write(tVFS_Node *Node, Uint64 Offset, Uint64 Length, void *Buffer)
        case TERM_MODE_TEXT:
                VT_int_PutString(term, Buffer, Length);
                break;
+       case TERM_MODE_FB:
+               if( giVT_RealWidth > term->Width || giVT_RealHeight > term->Height )
+               {
+                       #if 0
+                        int    x, y, h;
+                       x = Offset/4;   y = x / term->Width;    x %= term->Width;
+                       w = Length/4+x; h = w / term->Width;    w %= term->Width;
+                       while(h--)
+                       {
+                               VFS_WriteAt( giVT_OutputDevHandle,
+                                       (x+y*term->RealWidth)*4,
+                                       term->Width * 4,
+                                       Buffer
+                                       );
+                               Buffer = (void*)( (Uint)Buffer + term->Width*term->Height*4 );
+                       }
+                       #endif
+                       return 0;
+               }
+               else {
+                       return VFS_WriteAt( giVT_OutputDevHandle, Offset, Length, Buffer );
+               }
        }
        
        //LEAVE('i', 0);
@@ -359,76 +387,100 @@ int VT_Terminal_IOCtl(tVFS_Node *Node, int Id, void *Data)
 {
         int    *iData = Data;
        tVTerm  *term = Node->ImplPtr;
+       ENTER("pNode iId pData", Node, Id, Data);
+       
+       if(Id >= DRV_IOCTL_LOOKUP) {
+               if( Threads_GetUID() != 0 )     return -1;
+       }
+       
        switch(Id)
        {
-       case DRV_IOCTL_TYPE:    return DRV_TYPE_TERMINAL;
-       case DRV_IOCTL_IDENT:   memcpy(Data, "VT\0\0", 4);      return 0;
-       case DRV_IOCTL_VERSION: return VERSION;
-       case DRV_IOCTL_LOOKUP:  return 0;
+       case DRV_IOCTL_TYPE:
+               LEAVE('i', DRV_TYPE_TERMINAL);
+               return DRV_TYPE_TERMINAL;
+       case DRV_IOCTL_IDENT:
+               memcpy(Data, "VT\0\0", 4);
+               LEAVE('i', 0);
+               return 0;
+       case DRV_IOCTL_VERSION:
+               LEAVE('x', VERSION);
+               return VERSION;
+       case DRV_IOCTL_LOOKUP:
+               LEAVE('i', 0);
+               return 0;
        
        // Get/Set the mode (and apply any changes)
        case TERM_IOCTL_MODETYPE:
-               if(Data == NULL)        return term->Mode;
-               
-               if(term->Mode != *iData) {
-                       VT_int_ChangeMode(term, *iData);
+               if(Data != NULL)
+               {
+                       if(term->Mode != *iData)
+                               VT_int_ChangeMode(term, *iData);
+                       
+                       // Update the screen dimensions
+                       if(giVT_CurrentTerminal == Node->Inode)
+                               VT_SetTerminal( giVT_CurrentTerminal );
                }
-               
-               // Update the screen dimensions
-               if(giVT_CurrentTerminal == Node->Inode)
-                       VT_SetTerminal( giVT_CurrentTerminal );
-               break;
+               LEAVE('i', term->Mode);
+               return term->Mode;
        
        // Get/set the terminal width
        case TERM_IOCTL_WIDTH:
-               if(Data == NULL)        return term->Width;
-               term->Width = *iData;
-               break;
+               if(Data != NULL)        term->Width = *iData;
+               Log("VT_Terminal_IOCtl - RETURN term->Width = %i", term->Width);
+               LEAVE('i', term->Width);
+               return term->Width;
        
        // Get/set the terminal height
        case TERM_IOCTL_HEIGHT:
-               if(Data == NULL)        return term->Height;
-               term->Height = *iData;
-               break;
+               if(Data != NULL)        term->Height = *iData;
+               Log("VT_Terminal_IOCtl - RETURN term->Height = %i", term->Height);
+               LEAVE('i', term->Height);
+               return term->Height;
        
-       default:
-               return -1;
+       case TERM_IOCTL_FORCESHOW:
+               VT_SetTerminal( Node->Inode );
+               LEAVE('i', 1);
+               return 1;
        }
-       return 0;
+       LEAVE('i', -1);
+       return -1;
 }
 
-/**
- * \fn void VT_SetTerminal(int ID)
- * \brief Set the current terminal
- */
-void VT_SetTerminal(int ID)
+void VT_SetResolution(int IsTextMode, int Width, int Height)
 {
        tVideo_IOCtl_Mode       mode = {0};
-        int    modeNum;
+        int    tmp;
        
        // Create the video mode
-       mode.width = gVT_Terminals[ ID ].Width;
-       mode.height = gVT_Terminals[ ID ].Height;
-       // - Text Mode
-       if(gVT_Terminals[ ID ].Mode == TERM_MODE_TEXT) {
-               mode.bpp = 12;
-               mode.flags = VIDEO_FLAG_TEXT;
-       }
-       // - Framebuffer or 3D
-       else {
-               mode.bpp = 32;
-               mode.flags = 0;
-       }
+       mode.width = Width;
+       mode.height = Height;
+       mode.bpp = 32;
+       mode.flags = 0;
        
        // Set video mode
        VFS_IOCtl( giVT_OutputDevHandle, VIDEO_IOCTL_FINDMODE, &mode );
-       modeNum = mode.id;
-       gVT_Terminals[ ID ].RealWidth = mode.width;
-       gVT_Terminals[ ID ].RealHeight = mode.height;
-       VFS_IOCtl( giVT_OutputDevHandle, VIDEO_IOCTL_SETMODE, &modeNum );
+       tmp = mode.id;
+       giVT_RealWidth = mode.width;
+       giVT_RealHeight = mode.height;
+       VFS_IOCtl( giVT_OutputDevHandle, VIDEO_IOCTL_GETSETMODE, &tmp );
+       
+       
        
+       if(IsTextMode)
+               tmp = VIDEO_BUFFMT_TEXT;
+       else
+               tmp = VIDEO_BUFFMT_FRAMEBUFFER;
+       VFS_IOCtl( giVT_OutputDevHandle, VIDEO_IOCTL_SETBUFFORMAT, &tmp );
+}
+
+/**
+ * \fn void VT_SetTerminal(int ID)
+ * \brief Set the current terminal
+ */
+void VT_SetTerminal(int ID)
+{      
        // Update current terminal ID
-       Log("Changed terminal from %i to %i", giVT_CurrentTerminal, ID);
+       Log_Log("VTerm", "Changed terminal from %i to %i", giVT_CurrentTerminal, ID);
        giVT_CurrentTerminal = ID;
        
        // Update the screen
@@ -438,6 +490,11 @@ void VT_SetTerminal(int ID)
 /**
  * \fn void VT_KBCallBack(Uint32 Codepoint)
  * \brief Called on keyboard interrupt
+ * \param Codepoint    Pseudo-UTF32 character
+ * 
+ * Handles a key press and sends the key code to the user's buffer.
+ * If the code creates a kernel-magic sequence, it is not passed to the
+ * user and is handled in-kernel.
  */
 void VT_KBCallBack(Uint32 Codepoint)
 {
@@ -452,6 +509,10 @@ void VT_KBCallBack(Uint32 Codepoint)
                Codepoint &= 0x7FFFFFFF;
                switch(Codepoint)
                {
+               #if !USE_CTRL_ALT
+               case KEY_RSHIFT:        gbVT_CtrlDown = 0;      break;
+               case KEY_LSHIFT:        gbVT_AltDown = 0;       break;
+               #else
                case KEY_LALT:
                case KEY_RALT:
                        gbVT_AltDown = 0;
@@ -460,12 +521,17 @@ void VT_KBCallBack(Uint32 Codepoint)
                case KEY_RCTRL:
                        gbVT_CtrlDown = 0;
                        break;
+               #endif
                }
                return;
        }
        
        switch(Codepoint)
        {
+       #if !USE_CTRL_ALT
+       case KEY_RSHIFT:        gbVT_CtrlDown = 1;      break;
+       case KEY_LSHIFT:        gbVT_AltDown = 1;       break;
+       #else
        case KEY_LALT:
        case KEY_RALT:
                gbVT_AltDown = 1;
@@ -474,10 +540,13 @@ void VT_KBCallBack(Uint32 Codepoint)
        case KEY_RCTRL:
                gbVT_CtrlDown = 1;
                break;
+       #endif
        
        default:
+               #if USE_CTRL_ALT
                if(!gbVT_AltDown || !gbVT_CtrlDown)
                        break;
+               #endif
                switch(Codepoint)
                {
                case KEY_F1:    VT_SetTerminal(0);      return;
@@ -750,7 +819,7 @@ void VT_int_PutChar(tVTerm *Term, Uint32 Ch)
 {
         int    i;
        //ENTER("pTerm xCh", Term, Ch);
-       //LOG("Term = {WritePos:%i, ViewPos:%i}\n", Term->WritePos, Term->ViewPos);
+       //LOG("Term = {WritePos:%i, ViewPos:%i}", Term->WritePos, Term->ViewPos);
        
        switch(Ch)
        {
@@ -851,21 +920,41 @@ void VT_int_UpdateScreen( tVTerm *Term, int UpdateAll )
        
        if( Term->Mode == TERM_MODE_TEXT )
        {
-               if(UpdateAll) {
-                       VFS_WriteAt(
-                               giVT_OutputDevHandle,
-                               0,
-                               Term->Width*Term->Height*sizeof(tVT_Char),
-                               &Term->Text[Term->ViewPos]
-                               );
-               } else {
-                        int    pos = Term->WritePos - Term->WritePos % Term->Width;
-                       VFS_WriteAt(
-                               giVT_OutputDevHandle,
-                               (pos - Term->ViewPos)*sizeof(tVT_Char),
-                               Term->Width*sizeof(tVT_Char),
-                               &Term->Text[pos]
-                               );
+               if(gbVT_TextMode)
+               {
+                       if(UpdateAll) {
+                               VFS_WriteAt(
+                                       giVT_OutputDevHandle,
+                                       0,
+                                       Term->Width*Term->Height*sizeof(tVT_Char),
+                                       &Term->Text[Term->ViewPos]
+                                       );
+                       } else {
+                                int    pos = Term->WritePos - Term->WritePos % Term->Width;
+                               VFS_WriteAt(
+                                       giVT_OutputDevHandle,
+                                       (pos - Term->ViewPos)*sizeof(tVT_Char),
+                                       Term->Width*sizeof(tVT_Char),
+                                       &Term->Text[pos]
+                                       );
+                       }
+               }
+               else
+               {
+                       //TODO: Do VT Rendered Text
+                       #if 0
+                       if( UpdateAll ) {
+                               VT_RenderText(0, Term->Width*Term->Height, &Term->Text[Term->ViewPos]);
+                       }
+                       else {
+                                int    pos = Term->WritePos - Term->WritePos % Term->Width;
+                               VT_RenderText(
+                                       pos - Term->ViewPos,
+                                       Term->Width,
+                                       &Term->Text[pos]
+                                       );
+                       }
+                       #endif
                }
        }
        else
@@ -895,8 +984,8 @@ void VT_int_ChangeMode(tVTerm *Term, int NewMode)
                free(Term->Text);
                Term->Buffer = calloc( Term->Width*Term->Height, sizeof(Uint32) );
                break;
-       case TERM_MODE_OPENGL:
-               return;
+       //case TERM_MODE_OPENGL:
+       //      return;
        }
        
        Term->Mode = NewMode;

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