xref: /qemu/semihosting/stubs-system.c (revision 5837db46)
15837db46SPaolo Bonzini /*
25837db46SPaolo Bonzini  * Semihosting Stubs for system emulation
35837db46SPaolo Bonzini  *
45837db46SPaolo Bonzini  * Copyright (c) 2019 Linaro Ltd
55837db46SPaolo Bonzini  *
65837db46SPaolo Bonzini  * Stubs for system targets that don't actually do semihosting.
75837db46SPaolo Bonzini  *
85837db46SPaolo Bonzini  * SPDX-License-Identifier: GPL-2.0-or-later
95837db46SPaolo Bonzini  */
105837db46SPaolo Bonzini 
115837db46SPaolo Bonzini #include "qemu/osdep.h"
125837db46SPaolo Bonzini #include "qemu/option.h"
135837db46SPaolo Bonzini #include "qemu/error-report.h"
145837db46SPaolo Bonzini #include "semihosting/semihost.h"
155837db46SPaolo Bonzini 
165837db46SPaolo Bonzini /* Empty config */
175837db46SPaolo Bonzini QemuOptsList qemu_semihosting_config_opts = {
185837db46SPaolo Bonzini     .name = "",
195837db46SPaolo Bonzini     .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
205837db46SPaolo Bonzini     .desc = {
215837db46SPaolo Bonzini         { /* end of list */ }
225837db46SPaolo Bonzini     },
235837db46SPaolo Bonzini };
245837db46SPaolo Bonzini 
255837db46SPaolo Bonzini /* Queries to config status default to off */
semihosting_enabled(bool is_user)265837db46SPaolo Bonzini bool semihosting_enabled(bool is_user)
275837db46SPaolo Bonzini {
285837db46SPaolo Bonzini     return false;
295837db46SPaolo Bonzini }
305837db46SPaolo Bonzini 
315837db46SPaolo Bonzini /*
325837db46SPaolo Bonzini  * All the rest are empty subs. We could g_assert_not_reached() but
335837db46SPaolo Bonzini  * that adds extra weight to the final binary. Waste not want not.
345837db46SPaolo Bonzini  */
qemu_semihosting_enable(void)355837db46SPaolo Bonzini void qemu_semihosting_enable(void)
365837db46SPaolo Bonzini {
375837db46SPaolo Bonzini }
385837db46SPaolo Bonzini 
qemu_semihosting_config_options(const char * optstr)395837db46SPaolo Bonzini int qemu_semihosting_config_options(const char *optstr)
405837db46SPaolo Bonzini {
415837db46SPaolo Bonzini     return 1;
425837db46SPaolo Bonzini }
435837db46SPaolo Bonzini 
semihosting_get_arg(int i)445837db46SPaolo Bonzini const char *semihosting_get_arg(int i)
455837db46SPaolo Bonzini {
465837db46SPaolo Bonzini     return NULL;
475837db46SPaolo Bonzini }
485837db46SPaolo Bonzini 
semihosting_get_argc(void)495837db46SPaolo Bonzini int semihosting_get_argc(void)
505837db46SPaolo Bonzini {
515837db46SPaolo Bonzini     return 0;
525837db46SPaolo Bonzini }
535837db46SPaolo Bonzini 
semihosting_get_cmdline(void)545837db46SPaolo Bonzini const char *semihosting_get_cmdline(void)
555837db46SPaolo Bonzini {
565837db46SPaolo Bonzini     return NULL;
575837db46SPaolo Bonzini }
585837db46SPaolo Bonzini 
semihosting_arg_fallback(const char * file,const char * cmd)595837db46SPaolo Bonzini void semihosting_arg_fallback(const char *file, const char *cmd)
605837db46SPaolo Bonzini {
615837db46SPaolo Bonzini }
625837db46SPaolo Bonzini 
qemu_semihosting_chardev_init(void)635837db46SPaolo Bonzini void qemu_semihosting_chardev_init(void)
645837db46SPaolo Bonzini {
655837db46SPaolo Bonzini }
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