tests/tcg/multiarch/arm-compat-semi/semiconsole.c

   1 /*
   2  * linux-user semihosting console
   3  *
   4  * Copyright (c) 2019
   5  * Written by Alex Bennée <alex.bennee@linaro.org>
   6  *
   7  * SPDX-License-Identifier: GPL-3.0-or-later
   8  */
   9
  10 #define SYS_READC       0x07
  11
  12 #include <stdio.h>
  13 #include <stdint.h>
  14 #include "semicall.h"
  15
  16 int main(void)
  17 {
  18     char c;
  19
  20     printf("Semihosting Console Test\n");
  21     printf("hit X to exit:");
  22
  23     do {
  24         c = __semi_call(SYS_READC, 0);
  25         printf("got '%c'\n", c);
  26     } while (c != 'X');
  27
  28     return 0;
  29 }