#define NUM_VTS 8
#define MAX_INPUT_CHARS32 64
#define MAX_INPUT_CHARS8 (MAX_INPUT_CHARS32*4)
-#define VT_SCROLLBACK 2 // 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
+#define DEFAULT_WIDTH 640
+#define DEFAULT_HEIGHT 480
+#define DEFAULT_SCROLLBACK 2 // 2 Screens of text + current screen
#define DEFAULT_COLOUR (VT_COL_BLACK|(0xAAA<<16))
#define VT_FLAG_HIDECSR 0x01
Uint64 VT_Read(tVFS_Node *Node, Uint64 Offset, Uint64 Length, void *Buffer);
Uint64 VT_Write(tVFS_Node *Node, Uint64 Offset, Uint64 Length, void *Buffer);
int VT_Terminal_IOCtl(tVFS_Node *Node, int Id, void *Data);
-void VT_SetResolution(int IsTextMode, int Width, int Height);
+void VT_SetResolution(int Width, int Height);
+void VT_SetMode(int Mode);
void VT_SetTerminal(int ID);
void VT_KBCallBack(Uint32 Codepoint);
void VT_int_PutString(tVTerm *Term, Uint8 *Buffer, Uint Count);
// === CONSTANTS ===
const Uint16 caVT100Colours[] = {
+ // Black, Red, Green, Yellow, Blue, Purple, Cyan, Gray
+ // Same again, but bright
VT_COL_BLACK, 0x700, 0x070, 0x770, 0x007, 0x707, 0x077, 0xAAA,
VT_COL_GREY, 0xF00, 0x0F0, 0xFF0, 0x00F, 0xF0F, 0x0FF, VT_COL_WHITE
};
int giVT_CurrentTerminal = 0;
tVTerm *gpVT_CurTerm = &gVT_Terminals[0];
// --- Video State ---
-short giVT_RealWidth; //!< Real Width
-short giVT_RealHeight; //!< Real Height
+short giVT_RealWidth = DEFAULT_WIDTH; //!< Screen Width
+short giVT_RealHeight = DEFAULT_HEIGHT; //!< Screen Height
+ int giVT_Scrollback = DEFAULT_SCROLLBACK;
// --- Driver Handles ---
char *gsVT_OutputDevice = NULL;
char *gsVT_InputDevice = NULL;
*/
int VT_Install(char **Arguments)
{
- char **args = Arguments;
- char *arg;
int i;
// Scan Arguments
if(Arguments)
{
+ char **args = Arguments;
+ char *arg, *opt, *val;
for( ; (arg = *args); args++ )
{
- if(arg[0] != '-') continue;
+ Log_Debug("VTerm", "Argument '%s'", arg);
+ opt = arg;
+ val = arg + strpos(arg, '='); *val++ = '\0';
- switch(arg[1])
- {
- // Set output device
- case 'o':
- if(args[1] == NULL) break;
+ if( strcmp(opt, "Video") == 0 ) {
if(gsVT_OutputDevice) free(gsVT_OutputDevice);
- gsVT_OutputDevice = malloc(strlen(args[1])+1);
- strcpy(gsVT_OutputDevice, args[1]);
- args ++;
- break;
-
- // Set input device
- case 'i':
- if(args[1] == NULL) break;
+ gsVT_OutputDevice = strdup(val);
+ }
+ else if( strcmp(opt, "Input") == 0 ) {
if(gsVT_InputDevice) free(gsVT_InputDevice);
- gsVT_InputDevice = malloc(strlen(args[1])+1);
- strcpy(gsVT_InputDevice, args[1]);
- args ++;
- break;
+ gsVT_InputDevice = strdup(val);
+ }
+ else if( strcmp(opt, "Width") == 0 ) {
+ giVT_RealWidth = atoi( val );
+ }
+ else if( strcmp(opt, "Height") == 0 ) {
+ giVT_RealHeight = atoi( val );
+ }
+ else if( strcmp(opt, "Scrollback") == 0 ) {
+ giVT_Scrollback = atoi( val );
}
}
}
{
gVT_Terminals[i].Mode = TERM_MODE_TEXT;
gVT_Terminals[i].Flags = 0;
- gVT_Terminals[i].Width = DEFAULT_WIDTH;
- gVT_Terminals[i].Height = DEFAULT_HEIGHT;
+ gVT_Terminals[i].Width = giVT_RealWidth/giVT_CharWidth;
+ gVT_Terminals[i].Height = giVT_RealHeight/giVT_CharHeight;
gVT_Terminals[i].CurColour = DEFAULT_COLOUR;
gVT_Terminals[i].WritePos = 0;
gVT_Terminals[i].ViewPos = 0;
- gVT_Terminals[i].Buffer = calloc( DEFAULT_WIDTH*DEFAULT_HEIGHT*VT_SCROLLBACK, sizeof(tVT_Char) );
+ gVT_Terminals[i].Buffer = calloc(
+ gVT_Terminals[i].Width*gVT_Terminals[i].Height*(giVT_Scrollback+1),
+ sizeof(tVT_Char)
+ );
gVT_Terminals[i].Name[0] = '0'+i;
gVT_Terminals[i].Name[1] = '\0';
Log_Warning("VTerm", "Oh F**k, I can't open the video device '%s'", gsVT_OutputDevice);
return ;
}
+ VT_SetResolution(giVT_RealWidth, giVT_RealHeight);
VT_SetTerminal( 0 );
- VT_SetResolution(1, 640, 400);
+ VT_SetMode( VIDEO_BUFFMT_TEXT );
}
/**
{
if( giVT_RealWidth > term->Width || giVT_RealHeight > term->Height )
{
- #if 0
- int x, y, h;
+ int x, y, w, h;
x = Offset/4; y = x / term->Width; x %= term->Width;
w = Length/4+x; h = w / term->Width; w %= term->Width;
+ // Center
+ x += (giVT_RealWidth - term->Width) / 2;
+ y += (giVT_RealHeight - term->Height) / 2;
while(h--)
{
VFS_WriteAt( giVT_OutputDevHandle,
- (x+y*term->RealWidth)*4,
+ (x + y * giVT_RealWidth)*4,
term->Width * 4,
Buffer
);
- Buffer = (void*)( (Uint)Buffer + term->Width*term->Height*4 );
+ Buffer = (void*)( (Uint)Buffer + term->Width*4 );
+ y ++;
}
- #endif
return 0;
}
else {
return VFS_WriteAt( giVT_OutputDevHandle, Offset, Length, Buffer );
}
}
+
+ case TERM_MODE_2DACCEL:
+ //case TERM_MODE_3DACCEL:
+ if( Node->Inode == giVT_CurrentTerminal )
+ {
+ VFS_Write( giVT_OutputDevHandle, Length, Buffer );
+ }
+ break;
}
return 0;
switch(Id)
{
+ // --- Core Defined
case DRV_IOCTL_TYPE:
LEAVE('i', DRV_TYPE_TERMINAL);
return DRV_TYPE_TERMINAL;
case TERM_IOCTL_MODETYPE:
if(Data != NULL)
{
+ if( CheckMem(Data, sizeof(int)) == 0 ) {
+ LEAVE('i', -1);
+ return -1;
+ }
Log_Log("VTerm", "VTerm %i mode set to %i", (int)Node->Inode, *iData);
+
// Update mode if needed
if(term->Mode != *iData)
VT_int_ChangeMode(term, *iData);
// Get/set the terminal width
case TERM_IOCTL_WIDTH:
- if(Data != NULL) term->Width = *iData;
+ if(Data != NULL) {
+ if( CheckMem(Data, sizeof(int)) == 0 ) {
+ LEAVE('i', -1);
+ return -1;
+ }
+ 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) term->Height = *iData;
+ if(Data != NULL) {
+ if( CheckMem(Data, sizeof(int)) == 0 ) {
+ LEAVE('i', -1);
+ return -1;
+ }
+ term->Height = *iData;
+ }
Log("VT_Terminal_IOCtl - RETURN term->Height = %i", term->Height);
LEAVE('i', term->Height);
return term->Height;
return -1;
}
-void VT_SetResolution(int IsTextMode, int Width, int Height)
+void VT_SetResolution(int Width, int Height)
{
tVideo_IOCtl_Mode mode = {0};
int tmp;
+ int i;
// Create the video mode
mode.width = Width;
// Set video mode
VFS_IOCtl( giVT_OutputDevHandle, VIDEO_IOCTL_FINDMODE, &mode );
tmp = mode.id;
- giVT_RealWidth = mode.width;
- giVT_RealHeight = mode.height;
+ if( Width != mode.width || Height != mode.height )
+ {
+ Log_Warning("VTerm",
+ "Selected resolution (%ix%i is not supported) by the device, using (%ix%i)",
+ giVT_RealWidth, giVT_RealHeight,
+ mode.width, mode.height
+ );
+ }
VFS_IOCtl( giVT_OutputDevHandle, VIDEO_IOCTL_GETSETMODE, &tmp );
- tmp = IsTextMode ? VIDEO_BUFFMT_TEXT : VIDEO_BUFFMT_FRAMEBUFFER;
- VFS_IOCtl( giVT_OutputDevHandle, VIDEO_IOCTL_SETBUFFORMAT, &tmp );
+ // Resize text terminals if needed
+ if( giVT_RealWidth != mode.width || giVT_RealHeight != mode.height )
+ {
+ int newBufSize = (giVT_RealWidth/giVT_CharWidth)
+ *(giVT_RealHeight/giVT_CharHeight)
+ *(giVT_Scrollback+1);
+ //tVT_Char *tmp;
+ // Resize the text terminals
+ giVT_RealWidth = mode.width;
+ giVT_RealHeight = mode.height;
+ for( i = 0; i < NUM_VTS; i ++ )
+ {
+ if( gVT_Terminals[i].Mode != TERM_MODE_TEXT ) continue;
+
+ gVT_Terminals[i].Text = realloc(
+ gVT_Terminals[i].Text,
+ newBufSize*sizeof(tVT_Char)
+ );
+ }
+ }
+}
+
+void VT_SetMode(int Mode)
+{
+ VFS_IOCtl( giVT_OutputDevHandle, VIDEO_IOCTL_SETBUFFORMAT, &Mode );
}
/**
}
if( gpVT_CurTerm->Mode == TERM_MODE_TEXT )
- VT_SetResolution( 1, gpVT_CurTerm->Width*giVT_CharWidth, gpVT_CurTerm->Height*giVT_CharHeight );
+ VT_SetMode( VIDEO_BUFFMT_TEXT );
else
- VT_SetResolution( 0, gpVT_CurTerm->Width, gpVT_CurTerm->Height );
+ VT_SetMode( VIDEO_BUFFMT_FRAMEBUFFER );
// Update the screen
VT_int_UpdateScreen( &gVT_Terminals[ ID ], 1 );
gpVT_CurTerm->ViewPos = 0;
return;
case KEY_PGDOWN:
- if( gpVT_CurTerm->ViewPos < gpVT_CurTerm->Width*(gpVT_CurTerm->Height*(VT_SCROLLBACK-1)) )
+ if( gpVT_CurTerm->ViewPos < gpVT_CurTerm->Width*gpVT_CurTerm->Height*(giVT_Scrollback-1) )
gpVT_CurTerm->ViewPos += gpVT_CurTerm->Width;
else
- gpVT_CurTerm->ViewPos = gpVT_CurTerm->Width*(gpVT_CurTerm->Height*(VT_SCROLLBACK-1));
+ gpVT_CurTerm->ViewPos = gpVT_CurTerm->Width*gpVT_CurTerm->Height*(giVT_Scrollback-1);
return;
}
}
char c;
int argc = 0, j = 1;
int tmp;
- int args[4] = {0,0,0,0};
+ int args[6] = {0,0,0,0};
- switch(Buffer[0]) {
+ switch(Buffer[0])
+ {
//Large Code
case '[':
// Get Arguments
- c = Buffer[1];
- do {
- while('0' <= c && c <= '9') {
- args[argc] *= 10;
- args[argc] += c-'0';
- c = Buffer[++j];
- }
- if( j != 1 ) argc ++;
- } while(c == ';');
+ c = Buffer[j++];
+ if( '0' <= c && c <= '9' )
+ {
+ do {
+ while('0' <= c && c <= '9') {
+ args[argc] *= 10;
+ args[argc] += c-'0';
+ c = Buffer[j++];
+ }
+ argc ++;
+ } while(c == ';');
+ }
+ /*
// Get string (what does this do?)
if(c == '"') {
- c = Buffer[++j];
+ c = Buffer[j++];
while(c != '"')
- c = Buffer[++j];
+ c = Buffer[j++];
}
+ */
+
+ //Log_Debug("VTerm", "argc = %i", argc);
// Get Command
if( ('a' <= c && c <= 'z') || ('A' <= c && c <= 'Z'))
{
case 2:
{
- int i = Term->Height * VT_SCROLLBACK;
+ int i = Term->Height * (giVT_Scrollback + 1);
while( i-- ) VT_int_ClearLine(Term, i);
Term->WritePos = 0;
Term->ViewPos = 0;
}
}
break;
+ default:
+ Log_Warning("VTerm", "Unknown control sequence");
+ break;
}
}
break;
- default:
- break;
+ default: break;
}
- return j + 1;
+ //Log_Debug("VTerm", "j = %i, Buffer = '%s'", j, Buffer);
+ return j;
}
/**
{
Uint32 val;
int i;
+
+ // Iterate
for( i = 0; i < Count; i++ )
{
- if( Buffer[i] == 0x1B ) // Escape Sequence
+ // Handle escape sequences
+ if( Buffer[i] == 0x1B )
{
i ++;
- i += VT_int_ParseEscape(Term, (char*)&Buffer[i]);
+ i += VT_int_ParseEscape(Term, (char*)&Buffer[i]) - 1;
continue;
}
+ // Fast check for non UTF-8
if( Buffer[i] < 128 ) // Plain ASCII
VT_int_PutChar(Term, Buffer[i]);
else { // UTF-8
- i += ReadUTF8(&Buffer[i], &val);
+ i += ReadUTF8(&Buffer[i], &val) - 1;
VT_int_PutChar(Term, val);
}
}
void VT_int_PutChar(tVTerm *Term, Uint32 Ch)
{
int i;
- //ENTER("pTerm xCh", Term, Ch);
- //LOG("Term = {WritePos:%i, ViewPos:%i}", Term->WritePos, Term->ViewPos);
-
+
switch(Ch)
{
case '\0': return; // Ignore NULL byte
}
// Move Screen
- if(Term->WritePos >= Term->Width*Term->Height*VT_SCROLLBACK)
+ // - Check if we need to scroll the entire scrollback buffer
+ if(Term->WritePos >= Term->Width*Term->Height*(giVT_Scrollback+1))
{
int base, i;
+
+ //Debug("Scrolling entire buffer");
+
+ // Move back by one
Term->WritePos -= Term->Width;
+ // Update the scren
VT_int_UpdateScreen( Term, 0 );
// Update view position
- base = Term->Width*Term->Height*(VT_SCROLLBACK-1);
- if(Term->ViewPos < base) Term->ViewPos += Term->Width;
- if(Term->ViewPos > base) Term->ViewPos = base;
+ base = Term->Width*Term->Height*(giVT_Scrollback);
+ if(Term->ViewPos < base)
+ Term->ViewPos += Term->Width;
+ if(Term->ViewPos > base)
+ Term->ViewPos = base;
// Scroll terminal cache
- base = Term->Width*(Term->Height*VT_SCROLLBACK-1);
-
- // Scroll Back
+ base = Term->Width*(Term->Height*(giVT_Scrollback+1)-1);
memcpy(
Term->Text,
&Term->Text[Term->Width],
- (Term->Width*Term->Height*VT_SCROLLBACK-Term->Width)*sizeof(tVT_Char)
+ (Term->Width*Term->Height*(giVT_Scrollback+1)-Term->Width)*sizeof(tVT_Char)
);
// Clear last row
Term->Text[ base + i ].Colour = Term->CurColour;
}
- //LOG("Scrolled buffer");
VT_int_ScrollFramebuffer( Term );
VT_int_UpdateScreen( Term, 0 );
}
+ // Ok, so we only need to scroll the screen
else if(Term->WritePos >= Term->ViewPos + Term->Width*Term->Height)
{
- //LOG("Scrolled screen");
+ //Debug("Term->WritePos (%i) >= %i",
+ // Term->WritePos,
+ // Term->ViewPos + Term->Width*Term->Height
+ // );
+ //Debug("Scrolling screen only");
+
+ // Update the last line
Term->WritePos -= Term->Width;
VT_int_UpdateScreen( Term, 0 );
Term->WritePos += Term->Width;
+ // Scroll
Term->ViewPos += Term->Width;
+ //Debug("Term->ViewPos = %i", Term->ViewPos);
VT_int_ScrollFramebuffer( Term );
VT_int_UpdateScreen( Term, 0 );
}
Uint16 SrcX, SrcY;
Uint16 W, H;
} PACKED buf;
+
// Only update if this is the current terminal
if( Term != gpVT_CurTerm ) return;
- // This should only be called in text mode
-
+ // Switch to 2D Command Stream
tmp = VIDEO_BUFFMT_2DSTREAM;
VFS_IOCtl(giVT_OutputDevHandle, VIDEO_IOCTL_SETBUFFORMAT, &tmp);
+ // BLIT from 0,0 to 0,giVT_CharHeight
buf.Op = VIDEO_2DOP_BLIT;
buf.DstX = 0; buf.DstY = 0;
buf.SrcX = 0; buf.SrcY = giVT_CharHeight;
buf.W = Term->Width * giVT_CharWidth;
buf.H = (Term->Height-1) * giVT_CharHeight;
+ VFS_WriteAt(giVT_OutputDevHandle, 0, sizeof(buf), &buf);
- VFS_WriteAt(giVT_OutputDevHandle, 0, 1+12, &buf);
-
- // Restore old mode
+ // Restore old mode (this function is only called during text mode)
tmp = VIDEO_BUFFMT_TEXT;
VFS_IOCtl(giVT_OutputDevHandle, VIDEO_IOCTL_SETBUFFORMAT, &tmp);
}
switch( Term->Mode )
{
case TERM_MODE_TEXT:
+ // Re copy the entire screen?
if(UpdateAll) {
- //LOG("UpdateAll = 1");
- //LOG("VFS_WriteAt(0x%x, 0, %i*sizeof(tVT_Char), &Term->Text[%i])",
- // giVT_OutputDevHandle, Term->Width*Term->Height, Term->ViewPos);
VFS_WriteAt(
giVT_OutputDevHandle,
0,
Term->Width*Term->Height*sizeof(tVT_Char),
&Term->Text[Term->ViewPos]
);
- } else {
+ }
+ // Only copy the current line
+ else {
int pos = Term->WritePos - Term->WritePos % Term->Width;
- //LOG("UpdateAll = 0");
- //LOG("VFS_WriteAt(0x%x, %i*sizeof(tVT_Char), %i*sizeof(tVT_Char), &Term->Text[%i])",
- // giVT_OutputDevHandle, (pos - Term->ViewPos), Term->Width, pos);
VFS_WriteAt(
giVT_OutputDevHandle,
(pos - Term->ViewPos)*sizeof(tVT_Char),
case TERM_MODE_TEXT:
Log_Log("VTerm", "Set VT %p to text mode", Term);
free(Term->Buffer);
- Term->Text = calloc( Term->Width*Term->Height*VT_SCROLLBACK, sizeof(tVT_Char) );
+ Term->Text = calloc( Term->Width*Term->Height*(giVT_Scrollback+1), sizeof(tVT_Char) );
break;
case TERM_MODE_FB:
Log_Log("VTerm", "Set VT %p to framebuffer mode (%ix%i)", Term,
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