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 512
   7 #define MAX_XFMT_SIZE 512
   8
   9 void
  10 __kprintf(const char* component, const char* fmt, va_list args)
  11 {
  12     char buf[MAX_KPRINTF_BUF_SIZE];
  13     if (!fmt)
  14         return;
  15     char log_level = '0';
  16     char expanded_fmt[MAX_XFMT_SIZE];
  17
  18     if (*fmt == '\x1b') {
  19         log_level = *(++fmt);
  20         fmt++;
  21     }
  22
  23     switch (log_level) {
  24         case '0':
  25             snprintf(expanded_fmt,
  26                      MAX_XFMT_SIZE,
  27                      "[%s] (%s) %s",
  28                      "INFO",
  29                      component,
  30                      fmt);
  31             break;
  32         case '1':
  33             // tty_set_theme(VGA_COLOR_BROWN, current_theme >> 12);
  34             snprintf(expanded_fmt,
  35                      MAX_XFMT_SIZE,
  36                      "\033[6;0m[%s] (%s) %s\033[39;49m",
  37                      "WARN",
  38                      component,
  39                      fmt);
  40             break;
  41         case '2':
  42             // tty_set_theme(VGA_COLOR_LIGHT_RED, current_theme >> 12);
  43             snprintf(expanded_fmt,
  44                      MAX_XFMT_SIZE,
  45                      "\033[12;0m[%s] (%s) %s\033[39;49m",
  46                      "EROR",
  47                      component,
  48                      fmt);
  49             break;
  50         case '3':
  51             // tty_set_theme(VGA_COLOR_LIGHT_BLUE, current_theme >> 12);
  52             snprintf(expanded_fmt,
  53                      MAX_XFMT_SIZE,
  54                      "\033[9;0m[%s] (%s) %s\033[39;49m",
  55                      "DEBG",
  56                      component,
  57                      fmt);
  58             break;
  59         default:
  60             snprintf(expanded_fmt,
  61                      MAX_XFMT_SIZE,
  62                      "[%s] (%s) %s",
  63                      "LOG",
  64                      component,
  65                      fmt);
  66             break;
  67     }
  68
  69     __sprintf_internal(buf, expanded_fmt, MAX_KPRINTF_BUF_SIZE, args);
  70     console_write_str(buf);
  71 }
  72
  73 void
  74 kprint_panic(const char* fmt, ...)
  75 {
  76     char buf[MAX_KPRINTF_BUF_SIZE];
  77     va_list args;
  78     va_start(args, fmt);
  79
  80     tty_set_theme(VGA_COLOR_WHITE, VGA_COLOR_RED);
  81     tty_clear_line(24);
  82
  83     __sprintf_internal(buf, fmt, MAX_KPRINTF_BUF_SIZE, args);
  84     tty_put_str_at(buf, 0, 24);
  85
  86     va_end(args);
  87 }