cachepc

Prime+Probe cache-based side-channel attack on AMD SEV-SNP protected virtual machines
git clone https://git.sinitax.com/sinitax/cachepc
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util.h (810B)

      1#pragma once
      2
      3#include <sys/types.h>
      4#include <stdbool.h>
      5#include <stdint.h>
      6
      7#define ARRLEN(x) (sizeof(x) / sizeof((x)[0]))
      8#define MIN(a,b) ((a) > (b) ? (b) : (a))
      9
     10#define TARGET_CORE 2
     11#define SECONDARY_CORE 3
     12
     13struct ipc {
     14	pthread_mutex_t lock;
     15	pthread_cond_t sig_parent;
     16	bool has_sig_parent;
     17	pthread_cond_t sig_child;
     18	bool has_sig_child;
     19	bool init;
     20};
     21
     22void hexdump(void *data, int len);
     23
     24bool pin_process(pid_t pid, int cpu, bool assert);
     25
     26int read_stat_core(pid_t pid);
     27int pgrep(const char *cmd);
     28
     29void print_counts(uint8_t *counts);
     30void print_counts_raw(uint8_t *counts);
     31
     32struct ipc *ipc_alloc(void);
     33void ipc_free(struct ipc *ipc);
     34void ipc_signal_child(struct ipc *ipc);
     35void ipc_wait_child(struct ipc *ipc);
     36void ipc_signal_parent(struct ipc *ipc);
     37void ipc_wait_parent(struct ipc *ipc);