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plugins/api: split out the vaddr/hwaddr helpers

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These only work for system-mode and are NOPs for user-mode.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20250304222439.2035603-28-alex.bennee@linaro.org>
This commit is contained in:
Alex Bennée 2025-03-04 22:24:34 +00:00
parent 903e870f24
commit 455a2d265c
4 changed files with 99 additions and 71 deletions
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40
plugins/api-user.c Normal file
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@ -0,0 +1,40 @@
/*
* 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"
/*
* 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");
}