-/*\r
- * PROJECT: ReactOS Kernel\r
- * LICENSE: GPL - See COPYING in the top level directory\r
- * FILE: ntoskrnl/ex/hdlsterm.c\r
- * PURPOSE: Headless Terminal Support\r
- * PROGRAMMERS: Alex Ionescu (alex.ionescu@reactos.org)\r
- */\r
-\r
-/* INCLUDES ******************************************************************/\r
-\r
-#include <ntoskrnl.h>\r
-#include <debug.h>\r
-\r
-/* GLOBALS *******************************************************************/\r
-\r
-/* FUNCTIONS *****************************************************************/\r
-\r
-VOID\r
-NTAPI\r
-HeadlessInit(IN PLOADER_PARAMETER_BLOCK LoaderBlock)\r
-{\r
- PHEADLESS_LOADER_BLOCK HeadlessBlock;\r
-\r
- /* Get the headless loader block */\r
- HeadlessBlock = LoaderBlock->Extension->HeadlessLoaderBlock;\r
- if (HeadlessBlock)\r
- {\r
- DPRINT1("ReactOS does not currently have Headless Terminal support!\n");\r
- }\r
-}\r
-\r
-/* EOF */\r
+/*
+ * PROJECT: ReactOS Kernel
+ * LICENSE: BSD - See COPYING.ARM in the top level directory
+ * FILE: ntoskrnl/ex/hdlsterm.c
+ * PURPOSE: Headless Terminal Support
+ * PROGRAMMERS: ReactOS Portable Systems Group
+ */
+
+/* INCLUDES ******************************************************************/
+
+#include <ntoskrnl.h>
+#include <debug.h>
+
+/* GLOBALS *******************************************************************/
+
+PHEADLESS_GLOBALS HeadlessGlobals;
+
+/* FUNCTIONS *****************************************************************/
+
+VOID
+NTAPI
+HdlspSendStringAtBaud(
+ IN PUCHAR String
+ )
+{
+ /* Send every byte */
+ while (*String++ != ANSI_NULL)
+ {
+ InbvPortPutByte(HeadlessGlobals->TerminalPort, *String);
+ }
+}
+
+NTSTATUS
+NTAPI
+HdlspEnableTerminal(
+ IN BOOLEAN Enable
+ )
+{
+ /* Enable if requested, as long as this isn't a PCI serial port crashing */
+ if ((Enable) &&
+ !(HeadlessGlobals->TerminalEnabled) &&
+ !((HeadlessGlobals->IsMMIODevice) && (HeadlessGlobals->InBugCheck)))
+ {
+ /* Initialize the COM port with cportlib */
+ HeadlessGlobals->TerminalEnabled = InbvPortInitialize(
+ HeadlessGlobals->TerminalBaudRate,
+ HeadlessGlobals->TerminalPortNumber,
+ HeadlessGlobals->TerminalPortAddress,
+ &HeadlessGlobals->TerminalPort,
+ HeadlessGlobals->IsMMIODevice);
+ if (!HeadlessGlobals->TerminalEnabled) return STATUS_UNSUCCESSFUL;
+
+ /* Cleanup the screen and reset the cursor */
+ HdlspSendStringAtBaud((PUCHAR)"\x1B[2J");
+ HdlspSendStringAtBaud((PUCHAR)"\x1B[H");
+
+ /* Enable FIFO */
+ InbvPortEnableFifo(HeadlessGlobals->TerminalPort, TRUE);
+ }
+ else if (!Enable)
+ {
+ /* Specific case when headless is being disabled */
+ InbvPortTerminate(HeadlessGlobals->TerminalPort);
+ HeadlessGlobals->TerminalPort = 0;
+ HeadlessGlobals->TerminalEnabled = FALSE;
+ }
+ return STATUS_SUCCESS;
+}
+
+VOID
+NTAPI
+INIT_FUNCTION
+HeadlessInit(
+ IN PLOADER_PARAMETER_BLOCK LoaderBlock
+ )
+{
+ PHEADLESS_LOADER_BLOCK HeadlessBlock;
+
+ HeadlessBlock = LoaderBlock->Extension->HeadlessLoaderBlock;
+ if (!HeadlessBlock) return;
+ if ((HeadlessBlock->PortNumber > 4) && (HeadlessBlock->UsedBiosSettings)) return;
+
+ HeadlessGlobals = ExAllocatePoolWithTag(
+ NonPagedPool,
+ sizeof(HEADLESS_GLOBALS),
+ 'sldH');
+ if (!HeadlessGlobals) return;
+
+ /* Zero and copy loader data */
+ RtlZeroMemory(HeadlessGlobals, sizeof(HEADLESS_GLOBALS));
+ HeadlessGlobals->TerminalPortNumber = HeadlessBlock->PortNumber;
+ HeadlessGlobals->TerminalPortAddress = HeadlessBlock->PortAddress;
+ HeadlessGlobals->TerminalBaudRate = HeadlessBlock->BaudRate;
+ HeadlessGlobals->TerminalParity = HeadlessBlock->Parity;
+ HeadlessGlobals->TerminalStopBits = HeadlessBlock->StopBits;
+ HeadlessGlobals->UsedBiosSettings = HeadlessBlock->UsedBiosSettings;
+ HeadlessGlobals->IsMMIODevice = HeadlessBlock->IsMMIODevice;
+ HeadlessGlobals->TerminalType = HeadlessBlock->TerminalType;
+ HeadlessGlobals->SystemGUID = HeadlessBlock->SystemGUID;
+
+ /* These two are opposites of each other */
+ if (HeadlessGlobals->IsMMIODevice) HeadlessGlobals->IsNonLegacyDevice = TRUE;
+
+ /* Check for a PCI device, warn that this isn't supported */
+ if (HeadlessBlock->PciDeviceId != PCI_INVALID_VENDORID)
+ {
+ DPRINT1("PCI Serial Ports not supported\n");
+ }
+
+ /* Log entries are not yet supported */
+ DPRINT1("FIXME: No Headless logging support\n");
+
+ /* Allocate temporary buffer */
+ HeadlessGlobals->TmpBuffer = ExAllocatePoolWithTag(NonPagedPool, 80, 'sldH');
+ if (!HeadlessGlobals->TmpBuffer) return;
+
+ /* Windows seems to apply some special hacks for 9600 bps */
+ if (HeadlessGlobals->TerminalBaudRate == 9600)
+ {
+ DPRINT1("Please use other baud rate than 9600bps for now\n");
+ }
+
+ /* Enable the terminal */
+ HdlspEnableTerminal(TRUE);
+}
+
+VOID
+NTAPI
+HdlspPutString(
+ IN PUCHAR String
+ )
+{
+ PUCHAR Dest = HeadlessGlobals->TmpBuffer;
+ UCHAR Char = 0;
+
+ /* Scan each character */
+ while (*String != ANSI_NULL)
+ {
+ /* Check for rotate, send existing buffer and restart from where we are */
+ if (Dest >= &HeadlessGlobals->TmpBuffer[79])
+ {
+ HeadlessGlobals->TmpBuffer[79] = ANSI_NULL;
+ HdlspSendStringAtBaud(HeadlessGlobals->TmpBuffer);
+ Dest = HeadlessGlobals->TmpBuffer;
+ }
+ else
+ {
+ /* Get the current character and check for special graphical chars */
+ Char = *String;
+ if (Char & 0x80)
+ {
+ switch (Char)
+ {
+ case 0xB0: case 0xB3: case 0xBA:
+ Char = '|';
+ break;
+ case 0xB1: case 0xDC: case 0xDD: case 0xDE: case 0xDF:
+ Char = '%';
+ break;
+ case 0xB2: case 0xDB:
+ Char = '#';
+ break;
+ case 0xA9: case 0xAA: case 0xBB: case 0xBC: case 0xBF:
+ case 0xC0: case 0xC8: case 0xC9: case 0xD9: case 0xDA:
+ Char = '+';
+ break;
+ case 0xC4:
+ Char = '-';
+ break;
+ case 0xCD:
+ Char = '=';
+ break;
+ }
+ }
+
+ /* Anything else must be Unicode */
+ if (Char & 0x80)
+ {
+ /* Can't do Unicode yet */
+ UNIMPLEMENTED;
+ }
+ else
+ {
+ /* Add the modified char to the temporary buffer */
+ *Dest++ = Char;
+ }
+
+ /* Check the next char */
+ String++;
+ }
+ }
+
+ /* Finish and send */
+ *Dest = ANSI_NULL;
+ HdlspSendStringAtBaud(HeadlessGlobals->TmpBuffer);
+}
+
+NTSTATUS
+NTAPI
+HdlspDispatch(
+ IN HEADLESS_CMD Command,
+ IN PVOID InputBuffer,
+ IN SIZE_T InputBufferSize,
+ OUT PVOID OutputBuffer,
+ OUT PSIZE_T OutputBufferSize
+ )
+{
+ NTSTATUS Status = STATUS_NOT_IMPLEMENTED;
+ ASSERT(HeadlessGlobals != NULL);
+// ASSERT(HeadlessGlobals->PageLockHandle != NULL);
+
+ /* FIXME: This should be using the headless spinlock */
+
+ /* Ignore non-reentrant commands */
+ if ((Command != HeadlessCmdAddLogEntry) &&
+ (Command != HeadlessCmdStartBugCheck) &&
+ (Command != HeadlessCmdSendBlueScreenData) &&
+ (Command != HeadlessCmdDoBugCheckProcessing))
+ {
+ if (HeadlessGlobals->ProcessingCmd) return STATUS_UNSUCCESSFUL;
+
+ /* Don't allow these commands next time */
+ HeadlessGlobals->ProcessingCmd = TRUE;
+ }
+
+ /* Handle each command */
+ switch (Command)
+ {
+ case HeadlessCmdEnableTerminal:
+ break;
+ case HeadlessCmdCheckForReboot:
+ break;
+
+ case HeadlessCmdPutString:
+
+ /* Validate the existence of an input buffer */
+ if (!InputBuffer)
+ {
+ Status = STATUS_INVALID_PARAMETER;
+ goto Reset;
+ }
+
+ /* Terminal should be on */
+ if (HeadlessGlobals->TerminalEnabled)
+ {
+ /* Print each byte in the string making sure VT100 chars are used */
+ PHEADLESS_CMD_PUT_STRING PutString = (PVOID)InputBuffer;
+ HdlspPutString(PutString->String);
+ }
+
+ /* Return success either way */
+ Status = STATUS_SUCCESS;
+ break;
+ case HeadlessCmdClearDisplay:
+ break;
+ case HeadlessCmdClearToEndOfDisplay:
+ break;
+ case HeadlessCmdClearToEndOfLine:
+ break;
+ case HeadlessCmdDisplayAttributesOff:
+ break;
+ case HeadlessCmdDisplayInverseVideo:
+ break;
+ case HeadlessCmdSetColor:
+ break;
+ case HeadlessCmdPositionCursor:
+ break;
+ case HeadlessCmdTerminalPoll:
+ break;
+ case HeadlessCmdGetByte:
+ break;
+ case HeadlessCmdGetLine:
+ break;
+ case HeadlessCmdStartBugCheck:
+ break;
+ case HeadlessCmdDoBugCheckProcessing:
+ break;
+ case HeadlessCmdQueryInformation:
+ break;
+ case HeadlessCmdAddLogEntry:
+ break;
+ case HeadlessCmdDisplayLog:
+ break;
+ case HeadlessCmdSetBlueScreenData:
+ break;
+ case HeadlessCmdSendBlueScreenData:
+ break;
+ case HeadlessCmdQueryGUID:
+ break;
+ case HeadlessCmdPutData:
+ break;
+ default:
+ break;
+ }
+
+Reset:
+ /* Unset prcessing state */
+ if ((Command != HeadlessCmdAddLogEntry) &&
+ (Command != HeadlessCmdStartBugCheck) &&
+ (Command != HeadlessCmdSendBlueScreenData) &&
+ (Command != HeadlessCmdDoBugCheckProcessing))
+ {
+ ASSERT(HeadlessGlobals->ProcessingCmd == TRUE);
+ HeadlessGlobals->ProcessingCmd = FALSE;
+ }
+
+ //UNIMPLEMENTED;
+ return STATUS_SUCCESS;
+}
+
+/*
+ * @unimplemented
+ */
+NTSTATUS
+NTAPI
+HeadlessDispatch(
+ IN HEADLESS_CMD Command,
+ IN PVOID InputBuffer,
+ IN SIZE_T InputBufferSize,
+ OUT PVOID OutputBuffer,
+ OUT PSIZE_T OutputBufferSize
+ )
+{
+ /* Check for stubs that will expect something even with headless off */
+ if (!HeadlessGlobals)
+ {
+ /* Don't allow the SAC to connect */
+ if (Command == HeadlessCmdEnableTerminal) return STATUS_UNSUCCESSFUL;
+
+ /* Send bogus reply */
+ if ((Command == HeadlessCmdQueryInformation) ||
+ (Command == HeadlessCmdGetByte) ||
+ (Command == HeadlessCmdGetLine) ||
+ (Command == HeadlessCmdCheckForReboot) ||
+ (Command == HeadlessCmdTerminalPoll))
+ {
+ if (!(OutputBuffer) || !(OutputBufferSize)) return STATUS_INVALID_PARAMETER;
+ RtlZeroMemory(OutputBuffer, *OutputBufferSize);
+ }
+ return STATUS_SUCCESS;
+ }
+
+ /* Do the real work */
+ return HdlspDispatch(
+ Command,
+ InputBuffer,
+ InputBufferSize,
+ OutputBuffer,
+ OutputBufferSize);
+}
+
+/* EOF */
projects / reactos.git / blobdiff