LadybirdBrowser/ladybird
1
1
Fork 0
mirror of https://github.com/LadybirdBrowser/ladybird.git synced 2024-12-29 06:02:07 +03:00
Code Issues Packages Projects Releases Wiki Activity

Kernel: Colorize debugger output from the kernel.

Browse Source 
This makes it easy to distinguish kernel/userspace dbgprintf()'s. :^)
This commit is contained in:
Andreas Kling 2019-06-22 22:45:16 +02:00
parent db2980c848
commit 639478391b
Notes: sideshowbarker 2024-07-19 13:30:45 +09:00 
Author: https://github.com/awesomekling
Commit: https://github.com/SerenityOS/serenity/commit/639478391b7
1 changed files with 21 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
Kernel/kprintf.cpp
View File

@ -6,6 +6,22 @@
#include <Kernel/kstdio.h>
#include <LibC/stdarg.h>
static void color_on()
{
IO::out8(0xe9, 0x1b);
IO::out8(0xe9, '[');
IO::out8(0xe9, '3');
IO::out8(0xe9, '6');
IO::out8(0xe9, 'm');
}
static void color_off()
{
IO::out8(0xe9, 0x1b);
IO::out8(0xe9, '[');
IO::out8(0xe9, '0');
IO::out8(0xe9, 'm');
}
static void console_putch(char*&, char ch)
{
if (!current) {
@ -17,10 +33,12 @@ static void console_putch(char*&, char ch)
int kprintf(const char* fmt, ...)
{
color_on();
va_list ap;
va_start(ap, fmt);
int ret = printf_internal(console_putch, nullptr, fmt, ap);
va_end(ap);
color_off();
return ret;
}
@ -44,11 +62,14 @@ static void debugger_putch(char*&, char ch)
IO::out8(0xe9, ch);
}
extern "C" int dbgprintf(const char* fmt, ...)
{
color_on();
va_list ap;
va_start(ap, fmt);
int ret = printf_internal(debugger_putch, nullptr, fmt, ap);
va_end(ap);
color_off();
return ret;
}