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-rw-r--r--test/qemu-targetstep_guest.c50
1 files changed, 50 insertions, 0 deletions
diff --git a/test/qemu-targetstep_guest.c b/test/qemu-targetstep_guest.c
new file mode 100644
index 0000000..9ef36e1
--- /dev/null
+++ b/test/qemu-targetstep_guest.c
@@ -0,0 +1,50 @@
+#include "cachepc/uapi.h"
+
+#include <sys/time.h>
+#include <sys/resource.h>
+#include <errno.h>
+#include <err.h>
+#include <unistd.h>
+#include <stdint.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+int
+main(int argc, const char **argv)
+{
+ void *buf;
+ int ret;
+
+ buf = NULL;
+ if (posix_memalign(&buf, L1_LINESIZE * L1_SETS, L1_LINESIZE * L1_SETS))
+ err(1, "memalign");
+ memset(buf, 0, L1_LINESIZE * L1_SETS);
+
+ errno = 0;
+ ret = setpriority(PRIO_PROCESS, 0, -20);
+ if (errno) err(1, "setpriority");
+ printf("NICE %i\n", ret);
+
+ while (1) {
+ printf("LOOP\n");
+ CPC_DO_VMMCALL(KVM_HC_CPC_VMMCALL_SIGNAL,
+ CPC_GUEST_START_TRACK, 0);
+ *(uint8_t *)(buf + L1_LINESIZE * 9) = 1;
+ *(uint8_t *)(buf + L1_LINESIZE * 10) = 1;
+ *(uint8_t *)(buf + L1_LINESIZE * 11) = 1;
+ *(uint8_t *)(buf + L1_LINESIZE * 12) = 1;
+ *(uint8_t *)(buf + L1_LINESIZE * 13) = 1;
+ *(uint8_t *)(buf + L1_LINESIZE * 14) = 1;
+ *(uint8_t *)(buf + L1_LINESIZE * 15) = 1;
+ *(uint8_t *)(buf + L1_LINESIZE * 9) = 1;
+ *(uint8_t *)(buf + L1_LINESIZE * 10) = 1;
+ *(uint8_t *)(buf + L1_LINESIZE * 11) = 1;
+ *(uint8_t *)(buf + L1_LINESIZE * 12) = 1;
+ *(uint8_t *)(buf + L1_LINESIZE * 13) = 1;
+ *(uint8_t *)(buf + L1_LINESIZE * 14) = 1;
+ *(uint8_t *)(buf + L1_LINESIZE * 15) = 1;
+ CPC_DO_VMMCALL(KVM_HC_CPC_VMMCALL_SIGNAL,
+ CPC_GUEST_STOP_TRACK, 0);
+ }
+}