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Kernel: Serialize debug output

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Tom 2020-06-05 22:01:30 -06:00 • committed by Andreas Kling
parent 1da7fea602
commit 3ac6d31b45
5 changed files with 177 additions and 20 deletions
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7
Kernel/kprintf.cpp
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@ -29,11 +29,13 @@
#include <Kernel/Console.h>
#include <Kernel/IO.h>
#include <Kernel/Process.h>
#include <Kernel/SpinLock.h>
#include <Kernel/kstdio.h>
#include <LibC/stdarg.h>
static bool serial_debug;
static SpinLock s_log_lock;
void set_serial_debug(bool on_or_off)
{
@ -114,6 +116,7 @@ static void console_putch(char*&, char ch)
int kprintf(const char* fmt, ...)
{
ScopedSpinLock lock(s_log_lock);
color_on();
va_list ap;
va_start(ap, fmt);
@ -130,6 +133,7 @@ static void buffer_putch(char*& bufptr, char ch)
int sprintf(char* buffer, const char* fmt, ...)
{
ScopedSpinLock lock(s_log_lock);
va_list ap;
va_start(ap, fmt);
int ret = printf_internal(buffer_putch, buffer, fmt, ap);
@ -154,6 +158,7 @@ extern "C" int dbgputstr(const char* characters, int length)
{
if (!characters)
return 0;
ScopedSpinLock lock(s_log_lock);
for (int i = 0; i < length; ++i)
debugger_out(characters[i]);
return 0;
@ -163,6 +168,7 @@ extern "C" int kernelputstr(const char* characters, int length)
{
if (!characters)
return 0;
ScopedSpinLock lock(s_log_lock);
for (int i = 0; i < length; ++i)
console_out(characters[i]);
return 0;
@ -170,6 +176,7 @@ extern "C" int kernelputstr(const char* characters, int length)
extern "C" int dbgprintf(const char* fmt, ...)
{
ScopedSpinLock lock(s_log_lock);
color_on();
va_list ap;
va_start(ap, fmt);