mirror of
https://github.com/qemu/qemu.git
synced 2024-12-20 10:43:41 +08:00
6556617ce1
The Security Identifier device found in various Allwinner System on Chip designs gives applications a per-board unique identifier. This commit adds support for the Allwinner Security Identifier using a 128-bit UUID value as input. Signed-off-by: Niek Linnenbank <nieklinnenbank@gmail.com> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Message-id: 20200311221854.30370-8-nieklinnenbank@gmail.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
61 lines
1.5 KiB
C
61 lines
1.5 KiB
C
/*
|
|
* Allwinner Security ID emulation
|
|
*
|
|
* Copyright (C) 2019 Niek Linnenbank <nieklinnenbank@gmail.com>
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifndef HW_MISC_ALLWINNER_SID_H
|
|
#define HW_MISC_ALLWINNER_SID_H
|
|
|
|
#include "qom/object.h"
|
|
#include "hw/sysbus.h"
|
|
#include "qemu/uuid.h"
|
|
|
|
/**
|
|
* Object model
|
|
* @{
|
|
*/
|
|
|
|
#define TYPE_AW_SID "allwinner-sid"
|
|
#define AW_SID(obj) \
|
|
OBJECT_CHECK(AwSidState, (obj), TYPE_AW_SID)
|
|
|
|
/** @} */
|
|
|
|
/**
|
|
* Allwinner Security ID object instance state
|
|
*/
|
|
typedef struct AwSidState {
|
|
/*< private >*/
|
|
SysBusDevice parent_obj;
|
|
/*< public >*/
|
|
|
|
/** Maps I/O registers in physical memory */
|
|
MemoryRegion iomem;
|
|
|
|
/** Control register defines how and what to read */
|
|
uint32_t control;
|
|
|
|
/** RdKey register contains the data retrieved by the device */
|
|
uint32_t rdkey;
|
|
|
|
/** Stores the emulated device identifier */
|
|
QemuUUID identifier;
|
|
|
|
} AwSidState;
|
|
|
|
#endif /* HW_MISC_ALLWINNER_SID_H */
|