From 0bdf830ba840ce53cb1362acbf71965cd80e9397 Mon Sep 17 00:00:00 2001
From: Louis Burda <quent.burda@gmail.com>
Date: Fri, 25 Nov 2022 21:50:43 +0100
Subject: Implement VMSA change based single stepping and guest vmmcall
 intercept among other things

---
 test/debug.c | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 test/debug.c

(limited to 'test/debug.c')

diff --git a/test/debug.c b/test/debug.c
new file mode 100644
index 0000000..7a1e259
--- /dev/null
+++ b/test/debug.c
@@ -0,0 +1,26 @@
+#include "cachepc/uapi.h"
+
+#include <sys/ioctl.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <fcntl.h>
+#include <stdint.h>
+#include <err.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+int
+main(int argc, const char **argv)
+{
+	uint32_t arg;
+	int fd, ret;
+
+	fd = open("/dev/kvm", O_RDONLY);
+	if (fd < 0) err(1, "open");
+
+	arg = argc > 1 ?  atoi(argv[1]) : 1;
+	ret = ioctl(fd, KVM_CPC_DEBUG, &arg);
+	if (ret == -1) err(1, "ioctl DEBUG");
+
+	close(fd);
+}
-- 
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