cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
Log | Files | Refs | Submodules | LICENSE | sfeed.txt

microbit_i2c.h (1115B)

      1/*
      2 * Microbit stub for Nordic Semiconductor nRF51 SoC Two-Wire Interface
      3 * http://infocenter.nordicsemi.com/pdf/nRF51_RM_v3.0.1.pdf
      4 *
      5 * Copyright 2019 Red Hat, Inc.
      6 *
      7 * This code is licensed under the GPL version 2 or later.  See
      8 * the COPYING file in the top-level directory.
      9 */
     10
     11#ifndef MICROBIT_I2C_H
     12#define MICROBIT_I2C_H
     13
     14#include "hw/sysbus.h"
     15#include "hw/arm/nrf51.h"
     16#include "qom/object.h"
     17
     18#define NRF51_TWI_TASK_STARTRX 0x000
     19#define NRF51_TWI_TASK_STARTTX 0x008
     20#define NRF51_TWI_TASK_STOP 0x014
     21#define NRF51_TWI_EVENT_STOPPED 0x104
     22#define NRF51_TWI_EVENT_RXDREADY 0x108
     23#define NRF51_TWI_EVENT_TXDSENT 0x11c
     24#define NRF51_TWI_REG_ENABLE 0x500
     25#define NRF51_TWI_REG_RXD 0x518
     26#define NRF51_TWI_REG_TXD 0x51c
     27#define NRF51_TWI_REG_ADDRESS 0x588
     28
     29#define TYPE_MICROBIT_I2C "microbit.i2c"
     30OBJECT_DECLARE_SIMPLE_TYPE(MicrobitI2CState, MICROBIT_I2C)
     31
     32#define MICROBIT_I2C_NREGS (NRF51_PERIPHERAL_SIZE / sizeof(uint32_t))
     33
     34struct MicrobitI2CState {
     35    SysBusDevice parent_obj;
     36
     37    MemoryRegion iomem;
     38    uint32_t regs[MICROBIT_I2C_NREGS];
     39    uint32_t read_idx;
     40};
     41
     42#endif /* MICROBIT_I2C_H */