sys/core/kentry.c

   1 #include <uart.h>
   2 #include <led.h>
   3
   4 __attribute__ ((noreturn)) void kentry (void);
   5
   6 static const char *text[] = {
   7   "hello, friend.\r\n",
   8   "hello, friend?\r\n",
   9   "that's lame.\r\n",
  10   "maybe i should give you a name.\r\n",
  11   "but that's a slippery slope.\r\n",
  12   "you're only in my head.\r\n",
  13   "we have to remember that.\r\n",
  14   "shit.\r\n",
  15   "it's actually happening, i'm talking to an imaginary person.\r\n\n"
  16 };
  17
  18 void
  19 kentry (void)
  20 {
  21   unsigned int line;
  22
  23   for (line = 0; line < sizeof text / sizeof *text; ++line)
  24     kputs_busytc (text[line]);
  25
  26   /* Trigger a fault to test kernel panic  */
  27   asm ("udf #0");
  28
  29   kputs_busytc ("Unreachable");
  30
  31   while (1)
  32     asm ("wfi");
  33 }