diff options
Diffstat (limited to 'test/access-detect_guest.c')
| -rw-r--r-- | test/access-detect_guest.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/test/access-detect_guest.c b/test/access-detect_guest.c new file mode 100644 index 0000000..442c88c --- /dev/null +++ b/test/access-detect_guest.c @@ -0,0 +1,26 @@ +#include "cachepc/uapi.h" + +#include <err.h> +#include <unistd.h> +#include <stdint.h> +#include <string.h> +#include <stdlib.h> + +int +main(int argc, const char **argv) +{ + void *buf; + + buf = NULL; + if (posix_memalign(&buf, L1_LINESIZE * L1_SETS, L1_LINESIZE * L1_SETS)) + err(1, "memalign"); + memset(buf, 0, L1_LINESIZE * L1_SETS); + + while (1) { + CPC_CPUID_SIGNAL(CPC_CPUID_START_TRACK, 0); + + *(uint8_t *)(buf + L1_LINESIZE * 5) += 1; + + CPC_CPUID_SIGNAL(CPC_CPUID_START_TRACK, 0); + } +} |
