Kernel/storage/fs/tty.cpp

62 lines
1.6 KiB
C++

/*
This file is part of Fennix Kernel.
Fennix Kernel is free software: you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation, either version 3 of
the License, or (at your option) any later version.
Fennix Kernel is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
*/
#include <filesystem/mounts.hpp>
#include <filesystem/ioctl.hpp>
#include <errno.h>
#include "../../kernel.h"
namespace vfs
{
size_t TTYDevice::write(uint8_t *Buffer, size_t Size, off_t Offset)
{
for (size_t i = 0; i < Size; i++)
putchar(((char *)Buffer)[i]);
Display->SetBuffer(0); /* FIXME: stub */
return Size;
}
int TTYDevice::ioctl(unsigned long Request, void *Argp)
{
switch (Request)
{
case TIOCGWINSZ:
{
struct winsize *ws = (struct winsize *)Argp;
Video::ScreenBuffer *sb = Display->GetBuffer(0);
Video::FontInfo fi = Display->GetCurrentFont()->GetInfo();
fixme("TIOCGWINSZ: stub");
ws->ws_xpixel = uint16_t(sb->Width);
ws->ws_ypixel = uint16_t(sb->Height);
ws->ws_col = uint16_t(sb->Width / fi.Width);
ws->ws_row = uint16_t(sb->Height / fi.Height);
break;
}
default:
fixme("Unknown request %#lx", Request);
return -EINVAL;
}
return 0;
}
TTYDevice::TTYDevice() : Node(DevFS, "tty", CHARDEVICE) {}
TTYDevice::~TTYDevice() {}
}