From 572c78584031698cbbf04f222722bec8d026e184 Mon Sep 17 00:00:00 2001
From: Romain Dolbeau <romain@dolbeau.org>
Date: Sun, 13 Dec 2020 15:05:02 +0100
Subject: [PATCH] NetBSD test code for prototype driver

---
 NetBSD/test/gcm.c | 94 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 94 insertions(+)
 create mode 100644 NetBSD/test/gcm.c

diff --git a/NetBSD/test/gcm.c b/NetBSD/test/gcm.c
new file mode 100644
index 0000000..cc8596c
--- /dev/null
+++ b/NetBSD/test/gcm.c
@@ -0,0 +1,94 @@
+#include <stdio.h>
+#include <stdio.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/ioctl.h>
+#include <sys/ioccom.h>
+
+struct rdfpga_128bits {
+	uint32_t x[4];
+};
+
+#define RDFPGA_WC   _IOW(0, 1, struct rdfpga_128bits)
+#define RDFPGA_WH   _IOW(0, 2, struct rdfpga_128bits)
+#define RDFPGA_WI   _IOW(0, 3, struct rdfpga_128bits)
+#define RDFPGA_RC   _IOR(0, 4, struct rdfpga_128bits)
+#define RDFPGA_WL   _IOW(0, 1, uint32_t)
+
+static const char* rdfpga_device = "/dev/rdfpga0";
+
+int
+main(int argc, char *argv[])
+{
+	int devfd;
+	struct rdfpga_128bits data;
+	int pattern = 0xF00FF00F;
+
+	if (argc > 1)
+		pattern = atoi(argv[1]);
+
+	if ( (devfd = open(rdfpga_device, O_RDWR)) == -1) {
+		perror("can't open device file");
+		return 1;
+	}
+
+	/*
+                     x"6b8b4567");
+                     x"66334873");
+                     x"2ae8944a");
+                     x"46e87ccd");
+
+                     x"327b23c6");
+                     x"74b0dc51");
+                     x"625558ec");
+                     x"3d1b58ba");
+
+                     x"643c9869");
+                     x"19495cff");
+                     x"238e1f29");
+                     x"507ed7ab");
+
+ */
+       if (ioctl(devfd, RDFPGA_WL, &pattern) == -1) {
+	       perror("ioctl failed");
+       }
+
+       data.x[0] = 0x327b23c6;
+       data.x[1] = 0x74b0dc51;
+       data.x[2] = 0x625558ec;
+       data.x[3] = 0x3d1b58ba;
+       if (ioctl(devfd, RDFPGA_WC, &data) == -1) {
+	       perror("ioctl failed");
+       }
+
+       data.x[0] = 0x6b8b4567;
+       data.x[1] = 0x66334873;
+       data.x[2] = 0x2ae8944a;
+       data.x[3] = 0x46e87ccd;
+       if (ioctl(devfd, RDFPGA_WH, &data) == -1) {
+	       perror("ioctl failed");
+       }
+
+       data.x[0] = 0x643c9869;
+       data.x[1] = 0x19495cff;
+       data.x[2] = 0x238e1f29;
+       data.x[3] = 0x507ed7ab;
+       if (ioctl(devfd, RDFPGA_WI, &data) == -1) {
+	       perror("ioctl failed");
+       }
+
+       if (ioctl(devfd, RDFPGA_RC, &data) == -1) {
+	       perror("ioctl failed");
+       }
+       printf("0x%08x 0x%08x 0x%08x 0x%08x\n",
+	      data.x[0],
+	      data.x[1],
+	      data.x[2],
+	      data.x[3]);
+
+	close(devfd); 
+	return 0;
+}
+