qemu

FORK: QEMU emulator
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semihost.c (1259B)

      1 /*
      2  * Semihosting Stubs for SoftMMU
      3  *
      4  * Copyright (c) 2019 Linaro Ltd
      5  *
      6  * Stubs for SoftMMU targets that don't actually do semihosting.
      7  *
      8  * SPDX-License-Identifier: GPL-2.0-or-later
      9  */
     10 
     11 #include "qemu/osdep.h"
     12 #include "qemu/option.h"
     13 #include "qemu/error-report.h"
     14 #include "semihosting/semihost.h"
     15 
     16 /* Empty config */
     17 QemuOptsList qemu_semihosting_config_opts = {
     18     .name = "",
     19     .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
     20     .desc = {
     21         { /* end of list */ }
     22     },
     23 };
     24 
     25 /* Queries to config status default to off */
     26 bool semihosting_enabled(bool is_user)
     27 {
     28     return false;
     29 }
     30 
     31 SemihostingTarget semihosting_get_target(void)
     32 {
     33     return SEMIHOSTING_TARGET_AUTO;
     34 }
     35 
     36 /*
     37  * All the rest are empty subs. We could g_assert_not_reached() but
     38  * that adds extra weight to the final binary. Waste not want not.
     39  */
     40 void qemu_semihosting_enable(void)
     41 {
     42 }
     43 
     44 int qemu_semihosting_config_options(const char *optarg)
     45 {
     46     return 1;
     47 }
     48 
     49 const char *semihosting_get_arg(int i)
     50 {
     51     return NULL;
     52 }
     53 
     54 int semihosting_get_argc(void)
     55 {
     56     return 0;
     57 }
     58 
     59 const char *semihosting_get_cmdline(void)
     60 {
     61     return NULL;
     62 }
     63 
     64 void semihosting_arg_fallback(const char *file, const char *cmd)
     65 {
     66 }
     67 
     68 void qemu_semihosting_chardev_init(void)
     69 {
     70 }