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

nrf51_timer.h (2131B)

      1/*
      2 * nRF51 System-on-Chip Timer peripheral
      3 *
      4 * QEMU interface:
      5 * + sysbus MMIO regions 0: GPIO registers
      6 * + sysbus irq
      7 *
      8 * Copyright 2018 Steffen Görtz <contrib@steffen-goertz.de>
      9 *
     10 * This code is licensed under the GPL version 2 or later.  See
     11 * the COPYING file in the top-level directory.
     12 */
     13#ifndef NRF51_TIMER_H
     14#define NRF51_TIMER_H
     15
     16#include "hw/sysbus.h"
     17#include "qemu/timer.h"
     18#include "qom/object.h"
     19#define TYPE_NRF51_TIMER "nrf51_soc.timer"
     20OBJECT_DECLARE_SIMPLE_TYPE(NRF51TimerState, NRF51_TIMER)
     21
     22#define NRF51_TIMER_REG_COUNT 4
     23
     24#define NRF51_TIMER_TASK_START 0x000
     25#define NRF51_TIMER_TASK_STOP 0x004
     26#define NRF51_TIMER_TASK_COUNT 0x008
     27#define NRF51_TIMER_TASK_CLEAR 0x00C
     28#define NRF51_TIMER_TASK_SHUTDOWN 0x010
     29#define NRF51_TIMER_TASK_CAPTURE_0 0x040
     30#define NRF51_TIMER_TASK_CAPTURE_3 0x04C
     31
     32#define NRF51_TIMER_EVENT_COMPARE_0 0x140
     33#define NRF51_TIMER_EVENT_COMPARE_1 0x144
     34#define NRF51_TIMER_EVENT_COMPARE_2 0x148
     35#define NRF51_TIMER_EVENT_COMPARE_3 0x14C
     36
     37#define NRF51_TIMER_REG_SHORTS 0x200
     38#define NRF51_TIMER_REG_SHORTS_MASK 0xf0f
     39#define NRF51_TIMER_REG_INTENSET 0x304
     40#define NRF51_TIMER_REG_INTENCLR 0x308
     41#define NRF51_TIMER_REG_INTEN_MASK 0xf0000
     42#define NRF51_TIMER_REG_MODE 0x504
     43#define NRF51_TIMER_REG_MODE_MASK 0x01
     44#define NRF51_TIMER_TIMER 0
     45#define NRF51_TIMER_COUNTER 1
     46#define NRF51_TIMER_REG_BITMODE 0x508
     47#define NRF51_TIMER_REG_BITMODE_MASK 0x03
     48#define NRF51_TIMER_WIDTH_16 0
     49#define NRF51_TIMER_WIDTH_8 1
     50#define NRF51_TIMER_WIDTH_24 2
     51#define NRF51_TIMER_WIDTH_32 3
     52#define NRF51_TIMER_REG_PRESCALER 0x510
     53#define NRF51_TIMER_REG_PRESCALER_MASK 0x0F
     54#define NRF51_TIMER_REG_CC0 0x540
     55#define NRF51_TIMER_REG_CC3 0x54C
     56
     57struct NRF51TimerState {
     58    SysBusDevice parent_obj;
     59
     60    MemoryRegion iomem;
     61    qemu_irq irq;
     62
     63    uint8_t id;
     64    QEMUTimer timer;
     65    int64_t timer_start_ns;
     66    int64_t update_counter_ns;
     67    uint32_t counter;
     68
     69    bool running;
     70
     71    uint8_t events_compare[NRF51_TIMER_REG_COUNT];
     72    uint32_t cc[NRF51_TIMER_REG_COUNT];
     73    uint32_t shorts;
     74    uint32_t inten;
     75    uint32_t mode;
     76    uint32_t bitmode;
     77    uint32_t prescaler;
     78
     79};
     80
     81
     82#endif