xref: /openbmc/qemu/semihosting/stubs-system.c (revision 5837db46)
1*5837db46SPaolo Bonzini /*
2*5837db46SPaolo Bonzini  * Semihosting Stubs for system emulation
3*5837db46SPaolo Bonzini  *
4*5837db46SPaolo Bonzini  * Copyright (c) 2019 Linaro Ltd
5*5837db46SPaolo Bonzini  *
6*5837db46SPaolo Bonzini  * Stubs for system targets that don't actually do semihosting.
7*5837db46SPaolo Bonzini  *
8*5837db46SPaolo Bonzini  * SPDX-License-Identifier: GPL-2.0-or-later
9*5837db46SPaolo Bonzini  */
10*5837db46SPaolo Bonzini 
11*5837db46SPaolo Bonzini #include "qemu/osdep.h"
12*5837db46SPaolo Bonzini #include "qemu/option.h"
13*5837db46SPaolo Bonzini #include "qemu/error-report.h"
14*5837db46SPaolo Bonzini #include "semihosting/semihost.h"
15*5837db46SPaolo Bonzini 
16*5837db46SPaolo Bonzini /* Empty config */
17*5837db46SPaolo Bonzini QemuOptsList qemu_semihosting_config_opts = {
18*5837db46SPaolo Bonzini     .name = "",
19*5837db46SPaolo Bonzini     .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
20*5837db46SPaolo Bonzini     .desc = {
21*5837db46SPaolo Bonzini         { /* end of list */ }
22*5837db46SPaolo Bonzini     },
23*5837db46SPaolo Bonzini };
24*5837db46SPaolo Bonzini 
25*5837db46SPaolo Bonzini /* Queries to config status default to off */
semihosting_enabled(bool is_user)26*5837db46SPaolo Bonzini bool semihosting_enabled(bool is_user)
27*5837db46SPaolo Bonzini {
28*5837db46SPaolo Bonzini     return false;
29*5837db46SPaolo Bonzini }
30*5837db46SPaolo Bonzini 
31*5837db46SPaolo Bonzini /*
32*5837db46SPaolo Bonzini  * All the rest are empty subs. We could g_assert_not_reached() but
33*5837db46SPaolo Bonzini  * that adds extra weight to the final binary. Waste not want not.
34*5837db46SPaolo Bonzini  */
qemu_semihosting_enable(void)35*5837db46SPaolo Bonzini void qemu_semihosting_enable(void)
36*5837db46SPaolo Bonzini {
37*5837db46SPaolo Bonzini }
38*5837db46SPaolo Bonzini 
qemu_semihosting_config_options(const char * optstr)39*5837db46SPaolo Bonzini int qemu_semihosting_config_options(const char *optstr)
40*5837db46SPaolo Bonzini {
41*5837db46SPaolo Bonzini     return 1;
42*5837db46SPaolo Bonzini }
43*5837db46SPaolo Bonzini 
semihosting_get_arg(int i)44*5837db46SPaolo Bonzini const char *semihosting_get_arg(int i)
45*5837db46SPaolo Bonzini {
46*5837db46SPaolo Bonzini     return NULL;
47*5837db46SPaolo Bonzini }
48*5837db46SPaolo Bonzini 
semihosting_get_argc(void)49*5837db46SPaolo Bonzini int semihosting_get_argc(void)
50*5837db46SPaolo Bonzini {
51*5837db46SPaolo Bonzini     return 0;
52*5837db46SPaolo Bonzini }
53*5837db46SPaolo Bonzini 
semihosting_get_cmdline(void)54*5837db46SPaolo Bonzini const char *semihosting_get_cmdline(void)
55*5837db46SPaolo Bonzini {
56*5837db46SPaolo Bonzini     return NULL;
57*5837db46SPaolo Bonzini }
58*5837db46SPaolo Bonzini 
semihosting_arg_fallback(const char * file,const char * cmd)59*5837db46SPaolo Bonzini void semihosting_arg_fallback(const char *file, const char *cmd)
60*5837db46SPaolo Bonzini {
61*5837db46SPaolo Bonzini }
62*5837db46SPaolo Bonzini 
qemu_semihosting_chardev_init(void)63*5837db46SPaolo Bonzini void qemu_semihosting_chardev_init(void)
64*5837db46SPaolo Bonzini {
65*5837db46SPaolo Bonzini }
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