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banan-os
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Kernel: Add command line option to disable debug printing 

The whole system can crash when debug output and tty output are done at
the same time. This patch is just a hack to prevent the crash :D
This commit is contained in:
Bananymous 2024-08-25 15:02:15 +03:00
parent bec3e8654f
commit 2ce7205c80
2 changed files with 7 additions and 0 deletions
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4
kernel/kernel/Debug.cpp
View File

@ -8,6 +8,7 @@
#include <ctype.h> #include <ctype.h>
bool g_disable_debug = false;
extern Kernel::TerminalDriver* g_terminal_driver; extern Kernel::TerminalDriver* g_terminal_driver;
namespace Debug namespace Debug
@ -70,6 +71,9 @@ namespace Debug
{ {
using namespace Kernel; using namespace Kernel;
if (g_disable_debug)
return;
if (Kernel::Serial::has_devices()) if (Kernel::Serial::has_devices())
return Kernel::Serial::putchar_any(ch); return Kernel::Serial::putchar_any(ch);
if (Kernel::TTY::is_initialized()) if (Kernel::TTY::is_initialized())

3
kernel/kernel/kernel.cpp
View File

@ -65,6 +65,7 @@ static bool should_disable_serial(BAN::StringView full_command_line)
return false; return false;
} }
extern bool g_disable_debug;
static ParsedCommandLine cmdline; static ParsedCommandLine cmdline;
static void parse_command_line() static void parse_command_line()
@ -81,6 +82,8 @@ static void parse_command_line()
cmdline.disable_smp = true; cmdline.disable_smp = true;
else if (argument == "nousb") else if (argument == "nousb")
cmdline.disable_usb = true; cmdline.disable_usb = true;
else if (argument == "nodebug")
g_disable_debug = true;
else if (argument.starts_with("ps2=")) else if (argument.starts_with("ps2="))
{ {
if (argument.size() != 5 || !isdigit(argument[4])) if (argument.size() != 5 || !isdigit(argument[4]))