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feat(kernel/tty): implement processing control characters (^C, ^D, etc)

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EnderIce2
2025-04-13 09:49:09 +00:00
parent 5293bb2039
commit 11d326b693
7 changed files with 377 additions and 250 deletions
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110
Kernel/tty/teletype.cpp
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@ -26,76 +26,12 @@
namespace TTY
{
ssize_t TerminalBuffer::Read(char *OutputBuffer, size_t Size)
TeletypeDriver::TeletypeDriver() : TermBuf(1024)
{
std::lock_guard<std::mutex> lock(Mutex);
size_t bytesRead = 0;
while (bytesRead < Size && ReadIndex != WriteIndex)
{
OutputBuffer[bytesRead++] = Buffer[ReadIndex];
ReadIndex = (ReadIndex + 1) % Buffer.size();
}
return bytesRead;
}
ssize_t TerminalBuffer::Write(const char *InputBuffer, size_t Size)
{
std::lock_guard<std::mutex> lock(Mutex);
size_t bytesWritten = 0;
for (size_t i = 0; i < Size; ++i)
{
Buffer[WriteIndex] = InputBuffer[i];
WriteIndex = (WriteIndex + 1) % Buffer.size();
bytesWritten++;
}
return bytesWritten;
}
/* ======================================================================== */
int TeletypeDriver::Open(int Flags, mode_t Mode)
{
warn("Unimplemented open(%#x, %#x)", Flags, Mode);
return -ENOSYS;
}
int TeletypeDriver::Close()
{
warn("Unimplemented close()");
return -ENOSYS;
}
ssize_t TeletypeDriver::Read(void *Buffer, size_t Size, off_t Offset)
{
warn("Unimplemented read(%#lx, %#lx, %#lx)", Buffer, Size, Offset);
return -ENOSYS;
}
ssize_t TeletypeDriver::Write(const void *Buffer, size_t Size, off_t Offset)
{
warn("Unimplemented write(%#lx, %#lx, %#lx)", Buffer, Size, Offset);
return -ENOSYS;
}
int TeletypeDriver::Ioctl(unsigned long Request, void *Argp)
{
warn("Unimplemented ioctl(%#lx, %#lx)", Request, Argp);
return -ENOSYS;
}
TeletypeDriver::TeletypeDriver()
: TermBuf(1024)
{
this->TerminalSize = {
.ws_row = 0,
.ws_col = 0,
.ws_xpixel = 0,
.ws_ypixel = 0,
};
if (thisProcess)
this->ProcessGroup = thisProcess->Security.ProcessGroupID;
else
this->ProcessGroup = 0;
/*
- ICRNL - Map Carriage Return to New Line
@ -110,32 +46,24 @@ namespace TTY
- ECHO - Echo input characters
- ICANON - Enable canonical input (enable line editing)
- ISIG - Enable signals
*/
this->TerminalConfig.c_iflag = /*ICRNL |*/ IXON;
this->TerminalConfig.c_oflag = OPOST | ONLCR;
this->TerminalConfig.c_cflag = CS8 | CREAD | HUPCL;
this->TerminalConfig.c_lflag = ECHO | ICANON;
this->TerminalConfig.c_lflag = ECHO | ICANON | ISIG;
this->TerminalConfig.c_cc[VINTR] = 0x03; /* ^C */
this->TerminalConfig.c_cc[VQUIT] = 0x1C; /* ^\ */
this->TerminalConfig.c_cc[VERASE] = 0x7F; /* DEL */
this->TerminalConfig.c_cc[VKILL] = 0x15; /* ^U */
this->TerminalConfig.c_cc[VEOF] = 0x04; /* ^D */
this->TerminalConfig.c_cc[VTIME] = 0; /* Timeout for non-canonical read */
this->TerminalConfig.c_cc[VMIN] = 1; /* Minimum number of characters for non-canonical read */
this->TerminalConfig.c_cc[VSWTC] = 0; /* ^O */
this->TerminalConfig.c_cc[VSTART] = 0x11; /* ^Q */
this->TerminalConfig.c_cc[VSTOP] = 0x13; /* ^S */
this->TerminalConfig.c_cc[VSUSP] = 0x1A; /* ^Z */
this->TerminalConfig.c_cc[VEOL] = 0x00; /* NUL */
this->TerminalConfig.c_cc[VREPRINT] = 0x12; /* ^R */
this->TerminalConfig.c_cc[VDISCARD] = 0x14; /* ^T */
this->TerminalConfig.c_cc[VWERASE] = 0x17; /* ^W */
this->TerminalConfig.c_cc[VLNEXT] = 0x19; /* ^Y */
this->TerminalConfig.c_cc[VEOL2] = 0x7F; /* DEL (or sometimes EOF) */
}
TeletypeDriver::~TeletypeDriver()
{
this->TerminalConfig.c_cc[VINTR] = 'C' - 0x40;
this->TerminalConfig.c_cc[VQUIT] = '\\' - 0x40;
this->TerminalConfig.c_cc[VERASE] = '\177';
this->TerminalConfig.c_cc[VKILL] = 'U' - 0x40;
this->TerminalConfig.c_cc[VEOF] = 'D' - 0x40;
this->TerminalConfig.c_cc[VSTART] = 'Q' - 0x40;
this->TerminalConfig.c_cc[VSTOP] = 'S' - 0x40;
this->TerminalConfig.c_cc[VSUSP] = 'Z' - 0x40;
this->TerminalConfig.c_cc[VREPRINT] = 'R' - 0x40;
this->TerminalConfig.c_cc[VDISCARD] = 'O' - 0x40;
this->TerminalConfig.c_cc[VWERASE] = 'W' - 0x40;
this->TerminalConfig.c_cc[VLNEXT] = 'V' - 0x40;
}
}