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Virtual consoles kinda work!

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We now make three VirtualConsoles at boot: tty0, tty1, and tty2.
We launch an instance of /bin/sh in each one.
You switch between them with Alt+1/2/3

How very very cool :^)
This commit is contained in:
Andreas Kling 2018-10-30 15:33:37 +01:00
parent 68739dc43e
commit 7a7956a595
24 changed files with 251 additions and 103 deletions
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34
Kernel/Keyboard.cpp
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@ -38,6 +38,12 @@ static char shift_map[0x100] =
0, 0, 0, ' '
};
void Keyboard::emit(byte ch)
{
if (m_client)
m_client->onKeyPress(ch);
m_queue.enqueue(ch);
}
void Keyboard::handleIRQ()
{
@ -50,7 +56,7 @@ void Keyboard::handleIRQ()
case 0x9D: m_modifiers &= ~MOD_CTRL; break;
case 0x2A: m_modifiers |= MOD_SHIFT; break;
case 0xAA: m_modifiers &= ~MOD_SHIFT; break;
case 0x1C: /* enter */ m_queue.enqueue('\n'); break;
case 0x1C: /* enter */ emit('\n'); break;
case 0xFA: /* i8042 ack */ break;
default:
if (ch & 0x80) {
@ -69,31 +75,33 @@ void Keyboard::handleIRQ()
}
}
if (!m_modifiers) {
if (m_client)
m_client->onKeyPress(map[ch]);
m_queue.enqueue(map[ch]);
emit(map[ch]);
} else if (m_modifiers & MOD_SHIFT) {
if (m_client)
m_client->onKeyPress(shift_map[ch]);
m_queue.enqueue(shift_map[ch]);
emit(shift_map[ch]);
} else if (m_modifiers & MOD_CTRL) {
// FIXME: This is obviously not a good enough way to process ctrl+whatever.
if (m_client) {
m_client->onKeyPress('^');
m_client->onKeyPress(shift_map[ch]);
}
m_queue.enqueue('^');
m_queue.enqueue(shift_map[ch]);
emit('^');
emit(shift_map[ch]);
}
}
//break;
}
}
static Keyboard* s_the;
Keyboard& Keyboard::the()
{
ASSERT(s_the);
return *s_the;
}
Keyboard::Keyboard()
: IRQHandler(IRQ_KEYBOARD)
, CharacterDevice(85, 1)
{
s_the = this;
// Empty the buffer of any pending data.
// I don't care what you've been pressing until now!
while (IO::in8(I8042_STATUS ) & DATA_AVAILABLE)