X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=Kernel%2Fdrv%2Fvterm.c;h=cedcb33ef82adb1363ef509bbb08e064007a50a9;hb=ca05044548d5c1de87c030d625a305731a6cc665;hp=f8a649af043e87060ae1f32c6309c8b750182e0d;hpb=95a7eaaa4a1065334125b65130866f8d1048ddb7;p=tpg%2Facess2.git diff --git a/Kernel/drv/vterm.c b/Kernel/drv/vterm.c index f8a649af..cedcb33e 100644 --- a/Kernel/drv/vterm.c +++ b/Kernel/drv/vterm.c @@ -1,7 +1,8 @@ /* * Acess2 Virtual Terminal Driver */ -#include +#define DEBUG 1 +#include #include #include #include @@ -9,21 +10,24 @@ #include #include +#define USE_CTRL_ALT 0 + // === CONSTANTS === #define VERSION ((0<<8)|(50)) -#define NUM_VTS 4 +#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 "/Devices/BochsGA" +//#define DEFAULT_OUTPUT "BochsGA" #define DEFAULT_INPUT "PS2Keyboard" #define DEFAULT_WIDTH 80 #define DEFAULT_HEIGHT 25 #define DEFAULT_COLOUR (VT_COL_BLACK|(0xAAA<<16)) #define VT_FLAG_HIDECSR 0x01 +#define VT_FLAG_HASFB 0x10 //!< Set if the VTerm has requested the Framebuffer enum eVT_InModes { VT_INMODE_TEXT8, // UTF-8 Text Mode (VT100 Emulation) @@ -55,6 +59,9 @@ typedef struct { tVFS_Node Node; } tVTerm; +// === IMPORTS === +extern void Debug_SetKTerminal(char *File); + // === PROTOTYPES === int VT_Install(char **Arguments); char *VT_ReadDir(tVFS_Node *Node, int Pos); @@ -69,6 +76,7 @@ void VT_int_PutString(tVTerm *Term, Uint8 *Buffer, Uint Count); int VT_int_ParseEscape(tVTerm *Term, char *Buffer); void VT_int_PutChar(tVTerm *Term, Uint32 Ch); void VT_int_UpdateScreen( tVTerm *Term, int UpdateAll ); +void VT_int_ChangeMode(tVTerm *Term, int NewMode); // === CONSTANTS === const Uint16 caVT100Colours[] = { @@ -163,8 +171,7 @@ int VT_Install(char **Arguments) gVT_Terminals[i].WritePos = 0; gVT_Terminals[i].ViewPos = 0; - gVT_Terminals[i].Buffer = malloc( DEFAULT_WIDTH*DEFAULT_HEIGHT*VT_SCROLLBACK*sizeof(tVT_Char) ); - memset( gVT_Terminals[i].Buffer, 0, DEFAULT_WIDTH*DEFAULT_HEIGHT*VT_SCROLLBACK*sizeof(tVT_Char) ); + gVT_Terminals[i].Buffer = calloc( DEFAULT_WIDTH*DEFAULT_HEIGHT*VT_SCROLLBACK, sizeof(tVT_Char) ); gVT_Terminals[i].Name[0] = '0'+i; gVT_Terminals[i].Name[1] = '\0'; @@ -180,7 +187,10 @@ int VT_Install(char **Arguments) // Add to DevFS DevFS_AddDevice( &gVT_DrvInfo ); - return 0; + // Set kernel output to VT0 + Debug_SetKTerminal("/Devices/VTerm/0"); + + return MODULE_ERR_OK; } /** @@ -190,7 +200,6 @@ int VT_Install(char **Arguments) void VT_InitOutput() { giVT_OutputDevHandle = VFS_Open(gsVT_OutputDevice, VFS_OPENFLAG_WRITE); - LOG("giVT_OutputDevHandle = %x\n", giVT_OutputDevHandle); VT_SetTerminal( 0 ); } @@ -201,7 +210,6 @@ void VT_InitOutput() void VT_InitInput() { giVT_InputDevHandle = VFS_Open(gsVT_InputDevice, VFS_OPENFLAG_READ); - LOG("giVT_InputDevHandle = %x\n", giVT_InputDevHandle); if(giVT_InputDevHandle == -1) return ; VFS_IOCtl(giVT_InputDevHandle, KB_IOCTL_SETCALLBACK, VT_KBCallBack); } @@ -310,17 +318,14 @@ 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(); - while(term->InputRead != term->InputWrite) - { - ((Uint32*)Buffer)[pos] = ((Uint32*)term->InputBuffer)[term->InputRead]; - pos ++; - term->InputRead ++; - term->InputRead %= MAX_INPUT_CHARS32; - } + ((Uint32*)Buffer)[pos] = ((Uint32*)term->InputBuffer)[term->InputRead]; + pos ++; + term->InputRead ++; + term->InputRead %= MAX_INPUT_CHARS32; } break; } @@ -343,6 +348,28 @@ 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( term->RealWidth > term->Width || term->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); @@ -357,38 +384,63 @@ 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; - term->Mode = *iData; - // Update the screen dimensions - if(giVT_CurrentTerminal == Node->Inode) - VT_SetTerminal( giVT_CurrentTerminal ); - break; + 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 ); + } + 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; } /** @@ -419,12 +471,24 @@ void VT_SetTerminal(int ID) modeNum = mode.id; gVT_Terminals[ ID ].RealWidth = mode.width; gVT_Terminals[ ID ].RealHeight = mode.height; - VFS_IOCtl( giVT_OutputDevHandle, VIDEO_IOCTL_SETMODE, &modeNum ); + VFS_IOCtl( giVT_OutputDevHandle, VIDEO_IOCTL_GETSETMODE, &modeNum ); + + // Update current terminal ID + Log("Changed terminal from %i to %i", giVT_CurrentTerminal, ID); + giVT_CurrentTerminal = ID; + + // Update the screen + VT_int_UpdateScreen( &gVT_Terminals[ ID ], 1 ); } /** * \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) { @@ -439,6 +503,10 @@ 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; @@ -447,12 +515,17 @@ 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; @@ -461,33 +534,39 @@ 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: - giVT_CurrentTerminal = 0; - break; - case KEY_F2: - giVT_CurrentTerminal = 0; - break; - case KEY_F3: - giVT_CurrentTerminal = 0; - break; - case KEY_F4: - giVT_CurrentTerminal = 0; - break; + case KEY_F1: VT_SetTerminal(0); return; + case KEY_F2: VT_SetTerminal(1); return; + case KEY_F3: VT_SetTerminal(2); return; + case KEY_F4: VT_SetTerminal(3); return; + case KEY_F5: VT_SetTerminal(4); return; + case KEY_F6: VT_SetTerminal(5); return; + case KEY_F7: VT_SetTerminal(6); return; + case KEY_F8: VT_SetTerminal(7); return; + case KEY_F9: VT_SetTerminal(8); return; + case KEY_F10: VT_SetTerminal(9); return; + case KEY_F11: VT_SetTerminal(10); return; + case KEY_F12: VT_SetTerminal(11); return; + case KEY_PGUP: + return; + case KEY_PGDOWN: + return; } - return; } // Encode key if(term->Mode == TERM_MODE_TEXT) { Uint8 buf[6] = {0}; - int len; + int len = 0; // Ignore Modifer Keys if(Codepoint > KEY_MODIFIERS) return; @@ -496,20 +575,43 @@ void VT_KBCallBack(Uint32 Codepoint) switch(Codepoint) { case KEY_LEFT: - buf[0] = '\x1B'; buf[1] = '['; - buf[2] = 'D'; len = 3; + buf[0] = '\x1B'; buf[1] = '['; buf[2] = 'D'; + len = 3; break; case KEY_RIGHT: - buf[0] = '\x1B'; buf[1] = '['; - buf[2] = 'C'; len = 3; + buf[0] = '\x1B'; buf[1] = '['; buf[2] = 'C'; + len = 3; + break; + case KEY_UP: + buf[0] = '\x1B'; buf[1] = '['; buf[2] = 'A'; + len = 3; + break; + case KEY_DOWN: + buf[0] = '\x1B'; buf[1] = '['; buf[2] = 'B'; + len = 3; + break; + + case KEY_PGUP: + buf[0] = '\x1B'; buf[1] = '['; buf[2] = '5'; // Some overline also + //len = 4; // Commented out until I'm sure + break; + case KEY_PGDOWN: + len = 0; break; + + // Attempt to encode in UTF-8 default: len = WriteUTF8( buf, Codepoint ); - //Log("Codepoint = 0x%x", Codepoint); + if(len == 0) { + Warning("Codepoint (%x) is unrepresentable in UTF-8", Codepoint); + } break; } - //Log("len = %i, buf = %s", len, buf); + if(len == 0) { + // Unprintable / Don't Pass + return; + } // Write if( MAX_INPUT_CHARS8 - term->InputWrite >= len ) @@ -637,7 +739,6 @@ int VT_int_ParseEscape(tVTerm *Term, char *Buffer) Term->WritePos -= Term->WritePos % Term->Width; else Term->WritePos -= tmp; - Log("Left by %i", tmp); break; // Right @@ -712,7 +813,7 @@ 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) { @@ -808,24 +909,62 @@ void VT_int_PutChar(tVTerm *Term, Uint32 Ch) */ void VT_int_UpdateScreen( tVTerm *Term, int UpdateAll ) { - if(UpdateAll) { + // Only update if this is the current terminal + if( Term != &gVT_Terminals[giVT_CurrentTerminal] ) return; + + 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] + ); + } + } + else + { 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] + Term->Width*Term->Height*sizeof(Uint32), + &Term->Buffer ); } } +/** + * \fn void VT_int_ChangeMode(tVTerm *Term, int NewMode) + * \brief Change the mode of a VTerm + */ +void VT_int_ChangeMode(tVTerm *Term, int NewMode) +{ + switch(NewMode) + { + case TERM_MODE_TEXT: + free(Term->Buffer); + Term->Text = calloc( Term->Width*Term->Height*VT_SCROLLBACK, sizeof(tVT_Char) ); + break; + case TERM_MODE_FB: + free(Term->Text); + Term->Buffer = calloc( Term->Width*Term->Height, sizeof(Uint32) ); + break; + //case TERM_MODE_OPENGL: + // return; + } + + Term->Mode = NewMode; +} + // --- // Font Render // --- @@ -841,7 +980,7 @@ void VT_int_UpdateScreen( tVTerm *Term, int UpdateAll ) Uint8 *VT_Font_GetChar(Uint32 Codepoint); // === GLOBALS === -int giVT_CharWidth = FONT_WIDTH; +int giVT_CharWidth = FONT_WIDTH+1; int giVT_CharHeight = FONT_HEIGHT; // === CODE === @@ -854,13 +993,14 @@ void VT_Font_Render(Uint32 Codepoint, void *Buffer, int Pitch, Uint32 BGC, Uint3 Uint8 *font; Uint32 *buf = Buffer; int x, y; + font = VT_Font_GetChar(Codepoint); for(y = 0; y < FONT_HEIGHT; y ++) { for(x = 0; x < FONT_WIDTH; x ++) { - if(*font & (1 << (FONT_WIDTH-x))) + if(*font & (1 << (FONT_WIDTH-x-1))) buf[x] = FGC; else buf[x] = BGC;