mirror of
https://github.com/SerenityOS/serenity
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63 lines
1 KiB
C++
63 lines
1 KiB
C++
#include "Console.h"
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#include "VGA.h"
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#include "IO.h"
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#include "kprintf.h"
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// Bytes output to 0xE9 end up on the Bochs console. It's very handy.
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#define CONSOLE_OUT_TO_E9
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static Console* s_the;
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Console& Console::the()
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{
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ASSERT(s_the);
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return *s_the;
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}
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Console::Console()
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: CharacterDevice(5, 1)
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{
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s_the = this;
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}
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Console::~Console()
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{
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}
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bool Console::hasDataAvailableForRead() const
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{
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return false;
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}
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ssize_t Console::read(byte*, size_t)
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{
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// FIXME: Implement reading from the console.
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// Maybe we could use a ring buffer for this device?
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return 0;
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}
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ssize_t Console::write(const byte* data, size_t size)
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{
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if (!size)
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return 0;
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if (!m_implementation)
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return 0;
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for (size_t i = 0; i < size; ++i)
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putChar(data[i]);
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return 0;
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}
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void Console::putChar(char ch)
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{
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#ifdef CONSOLE_OUT_TO_E9
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//if (ch != 27)
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IO::out8(0xe9, ch);
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#endif
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if (m_implementation)
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m_implementation->onConsoleReceive(ch);
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}
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ConsoleImplementation::~ConsoleImplementation()
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{
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}
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