qemu

FORK: QEMU emulator
git clone https://git.neptards.moe/neptards/qemu.git
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semiconsole.c (484B)

      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 }