cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
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bitbang_i2c.h (1016B)

      1#ifndef BITBANG_I2C_H
      2#define BITBANG_I2C_H
      3
      4#include "hw/i2c/i2c.h"
      5
      6typedef struct bitbang_i2c_interface bitbang_i2c_interface;
      7
      8#define BITBANG_I2C_SDA 0
      9#define BITBANG_I2C_SCL 1
     10
     11typedef enum bitbang_i2c_state {
     12    STOPPED = 0,
     13    SENDING_BIT7,
     14    SENDING_BIT6,
     15    SENDING_BIT5,
     16    SENDING_BIT4,
     17    SENDING_BIT3,
     18    SENDING_BIT2,
     19    SENDING_BIT1,
     20    SENDING_BIT0,
     21    WAITING_FOR_ACK,
     22    RECEIVING_BIT7,
     23    RECEIVING_BIT6,
     24    RECEIVING_BIT5,
     25    RECEIVING_BIT4,
     26    RECEIVING_BIT3,
     27    RECEIVING_BIT2,
     28    RECEIVING_BIT1,
     29    RECEIVING_BIT0,
     30    SENDING_ACK,
     31    SENT_NACK
     32} bitbang_i2c_state;
     33
     34struct bitbang_i2c_interface {
     35    I2CBus *bus;
     36    bitbang_i2c_state state;
     37    int last_data;
     38    int last_clock;
     39    int device_out;
     40    uint8_t buffer;
     41    int current_addr;
     42};
     43
     44/**
     45 * bitbang_i2c_init: in-place initialize the bitbang_i2c_interface struct
     46 */
     47void bitbang_i2c_init(bitbang_i2c_interface *s, I2CBus *bus);
     48int bitbang_i2c_set(bitbang_i2c_interface *i2c, int line, int level);
     49
     50#endif