lunaix-os/kernel/kprintf.c

   1 #include <klibc/stdio.h>
   2 #include <lunaix/lxconsole.h>
   3 #include <lunaix/syslog.h>
   4 #include <lunaix/tty/tty.h>
   5
   6 #define MAX_KPRINTF_BUF_SIZE 1024
   7 #define MAX_XFMT_SIZE 1024
   8
   9 static char buf[MAX_KPRINTF_BUF_SIZE];
  10
  11 void
  12 __kprintf(const char* component, const char* fmt, va_list args)
  13 {
  14     if (!fmt)
  15         return;
  16     char log_level = '0';
  17     char expanded_fmt[MAX_XFMT_SIZE];
  18
  19     if (*fmt == '\x1b') {
  20         log_level = *(++fmt);
  21         fmt++;
  22     }
  23
  24     switch (log_level) {
  25         case '0':
  26             snprintf(expanded_fmt,
  27                      MAX_XFMT_SIZE,
  28                      "[%s] (%s) %s",
  29                      "INFO",
  30                      component,
  31                      fmt);
  32             break;
  33         case '1':
  34             // tty_set_theme(VGA_COLOR_BROWN, current_theme >> 12);
  35             snprintf(expanded_fmt,
  36                      MAX_XFMT_SIZE,
  37                      "\x033[6;0m[%s] (%s) %s\x033[39;49m",
  38                      "WARN",
  39                      component,
  40                      fmt);
  41             break;
  42         case '2':
  43             // tty_set_theme(VGA_COLOR_LIGHT_RED, current_theme >> 12);
  44             snprintf(expanded_fmt,
  45                      MAX_XFMT_SIZE,
  46                      "\x033[12;0m[%s] (%s) %s\x033[39;49m",
  47                      "EROR",
  48                      component,
  49                      fmt);
  50             break;
  51         case '3':
  52             // tty_set_theme(VGA_COLOR_LIGHT_BLUE, current_theme >> 12);
  53             snprintf(expanded_fmt,
  54                      MAX_XFMT_SIZE,
  55                      "\x033[9;0m[%s] (%s) %s\x033[39;49m",
  56                      "DEBG",
  57                      component,
  58                      fmt);
  59             break;
  60         default:
  61             snprintf(expanded_fmt,
  62                      MAX_XFMT_SIZE,
  63                      "[%s] (%s) %s",
  64                      "LOG",
  65                      component,
  66                      fmt);
  67             break;
  68     }
  69
  70     __sprintf_internal(buf, expanded_fmt, MAX_KPRINTF_BUF_SIZE, args);
  71     console_write_str(buf);
  72 }
  73
  74 void
  75 kprint_panic(const char* fmt, ...)
  76 {
  77     va_list args;
  78     va_start(args, fmt);
  79
  80     tty_set_theme(VGA_COLOR_WHITE, VGA_COLOR_RED);
  81     tty_clear_line(10);
  82     tty_clear_line(11);
  83     tty_clear_line(12);
  84
  85     __sprintf_internal(buf, fmt, MAX_KPRINTF_BUF_SIZE, args);
  86     tty_put_str_at(buf, 0, 11);
  87
  88     va_end(args);
  89 }