ladybird/Kernel/kprintf.cpp
Andreas Kling e6284a8774 Fix broken SpinLock.
The SpinLock was all backwards and didn't actually work. Fixing it exposed
how wrong most of the locking here is.

I need to come up with a better granularity here.
2018-10-29 22:04:26 +01:00

50 lines
920 B
C++

#include "kprintf.h"
#include "Console.h"
#include "IO.h"
#include <stdarg.h>
#include <AK/Types.h>
#include <AK/printf.cpp>
static void console_putch(char*&, char ch)
{
Console::the().write((byte*)&ch, 1);
}
int kprintf(const char* fmt, ...)
{
va_list ap;
va_start(ap, fmt);
int ret = printfInternal(console_putch, nullptr, fmt, ap);
va_end(ap);
return ret;
}
static void buffer_putch(char*& bufptr, char ch)
{
*bufptr++ = ch;
}
int ksprintf(char* buffer, const char* fmt, ...)
{
va_list ap;
va_start(ap, fmt);
int ret = printfInternal(buffer_putch, buffer, fmt, ap);
buffer[ret] = '\0';
va_end(ap);
return ret;
}
static void debugger_putch(char*&, char ch)
{
IO::out8(0xe9, ch);
}
int dbgprintf(const char* fmt, ...)
{
va_list ap;
va_start(ap, fmt);
int ret = printfInternal(debugger_putch, nullptr, fmt, ap);
va_end(ap);
return ret;
}