cp/nucleus/printf.c

   1 /*
   2  * (C) Copyright 2007-2019  Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
   3  *
   4  * This file is released under the GPLv2.  See the COPYING file for more
   5  * details.
   6  */
   7
   8 #include <channel.h>
   9 #include <console.h>
  10 #include <directory.h>
  11 #include <ebcdic.h>
  12 #include <slab.h>
  13 #include <clock.h>
  14 #include <sched.h>
  15 #include <vsprintf.h>
  16 #include <stdarg.h>
  17 #include <vcpu.h>
  18
  19 int con_vprintf(struct virt_cons *con, const char *fmt, va_list args)
  20 {
  21         struct virt_sys *sys = container_of(con, struct virt_sys, console);
  22         struct datetime dt;
  23         char buf[128];
  24         int off = 0;
  25         int ret;
  26
  27         if (sys->print_ts) {
  28                 memset(&dt, 0, sizeof(dt));
  29                 ret = get_parsed_tod(&dt);
  30                 off = snprintf(buf, 128, "%02d:%02d:%02d ", dt.th, dt.tm,
  31                                dt.ts);
  32         }
  33
  34         ret = vsnprintf(buf+off, 128-off, fmt, args);
  35         if (ret) {
  36                 if (sys->internal) {
  37                         /* internal guests direct all console traffic to sclp */
  38                         sclp_msg("%s", buf);
  39                 } else {
  40                         /* normal guests direct it to their console device */
  41                         ascii2ebcdic((u8 *) buf, off+ret);
  42                         //con_write(con, (u8 *) buf, off+ret);
  43                 }
  44         }
  45
  46         return ret;
  47 }
  48
  49 int con_printf(struct virt_cons *con, const char *fmt, ...)
  50 {
  51         va_list args;
  52         int r;
  53
  54         va_start(args, fmt);
  55         r = con_vprintf(con, fmt, args);
  56         va_end(args);
  57
  58         return r;
  59 }