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semihosting: move stubs out of stubs/

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Since the semihosting stubs are needed exactly when the Kconfig symbols
are not needed, move them to semihosting/ and conditionalize them
on CONFIG_SEMIHOSTING and/or CONFIG_SYSTEM_ONLY.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-ID: <20240408155330.522792-13-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2024-04-08 17:53:24 +02:00
parent f2604d8508
commit 5837db4650
4 changed files with 3 additions and 2 deletions
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2
stubs/meson.build
View file

@ -55,9 +55,7 @@ if have_block or have_ga
endif
if have_system
stub_ss.add(files('fw_cfg.c'))
stub_ss.add(files('semihost.c'))
stub_ss.add(files('xen-hw-stub.c'))
else
stub_ss.add(files('qdev.c'))
endif
stub_ss.add(files('semihost-all.c'))

17
stubs/semihost-all.c
View file

@ -1,17 +0,0 @@
/*
* Semihosting Stubs for all targets
*
* Copyright (c) 2023 Linaro Ltd
*
* Stubs for all targets that don't actually do semihosting.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "qemu/osdep.h"
#include "semihosting/semihost.h"
SemihostingTarget semihosting_get_target(void)
{
return SEMIHOSTING_TARGET_AUTO;
}

65
stubs/semihost.c
View file

@ -1,65 +0,0 @@
/*
* Semihosting Stubs for system emulation
*
* Copyright (c) 2019 Linaro Ltd
*
* Stubs for system targets that don't actually do semihosting.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "qemu/osdep.h"
#include "qemu/option.h"
#include "qemu/error-report.h"
#include "semihosting/semihost.h"
/* Empty config */
QemuOptsList qemu_semihosting_config_opts = {
.name = "",
.head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
.desc = {
{ /* end of list */ }
},
};
/* Queries to config status default to off */
bool semihosting_enabled(bool is_user)
{
return false;
}
/*
* All the rest are empty subs. We could g_assert_not_reached() but
* that adds extra weight to the final binary. Waste not want not.
*/
void qemu_semihosting_enable(void)
{
}
int qemu_semihosting_config_options(const char *optstr)
{
return 1;
}
const char *semihosting_get_arg(int i)
{
return NULL;
}
int semihosting_get_argc(void)
{
return 0;
}
const char *semihosting_get_cmdline(void)
{
return NULL;
}
void semihosting_arg_fallback(const char *file, const char *cmd)
{
}
void qemu_semihosting_chardev_init(void)
{
}