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/*
* QEMU Plugin API - user-mode only implementations
*
* This provides the APIs that have a user-mode specific
* implementations or are only relevant to user-mode.
*
* Copyright (C) 2017, Emilio G. Cota <cota@braap.org>
* Copyright (C) 2019-2025, Linaro
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "qemu/osdep.h"
#include "qemu/plugin.h"
#include "exec/log.h"
/*
* Virtual Memory queries - these are all NOPs for user-mode which
* only ever has visibility of virtual addresses.
*/
struct qemu_plugin_hwaddr *qemu_plugin_get_hwaddr(qemu_plugin_meminfo_t info,
uint64_t vaddr)
{
return NULL;
}
bool qemu_plugin_hwaddr_is_io(const struct qemu_plugin_hwaddr *haddr)
{
return false;
}
uint64_t qemu_plugin_hwaddr_phys_addr(const struct qemu_plugin_hwaddr *haddr)
{
return 0;
}
const char *qemu_plugin_hwaddr_device_name(const struct qemu_plugin_hwaddr *h)
{
return g_intern_static_string("Invalid");
}
/*
* Time control - for user mode the only real time is wall clock time
* so realistically all you can do in user mode is slow down execution
* which doesn't require the ability to mess with the clock.
*/
const void *qemu_plugin_request_time_control(void)
{
return NULL;
}
void qemu_plugin_update_ns(const void *handle, int64_t new_time)
{
qemu_log_mask(LOG_UNIMP, "user-mode can't control time");
}
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