bin: add nv_unpack to unpack fw register lists

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

1 files changed, 94 insertions, 0 deletions

diff --git a/bin/nv_unpack.c b/bin/nv_unpack.c
new file mode 100644
index 000000000..65228dcab
--- /dev/null
+++ b/bin/nv_unpack.c
@@ -0,0 +1,94 @@
+/*
+ * Copyright 2016 Red Hat Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: Ben Skeggs
+ */
+#include <sys/mman.h>
+
+#include <nvif/os.h>
+
+struct fw_av {
+	u32 addr;
+	u32 data;
+};
+
+struct fw_aiv {
+	u32 addr;
+	u32 index;
+	u32 data;
+};
+
+int
+main(int argc, char **argv)
+{
+	const char *path = NULL;
+	int type = 0, fd, i;
+	void *data;
+	long size;
+
+	while ((i = getopt(argc, argv, "-t:")) != -1) {
+		switch (i) {
+		case 't':
+			if (!strcmp(optarg, "av"))
+				type = 0;
+			else
+			if (!strcmp(optarg, "aiv"))
+				type = 1;
+			else
+				return -1;
+			break;
+		case 1:
+			if (path)
+				return -1;
+			path = optarg;
+			break;
+		default:
+			return -1;
+		}
+	}
+
+	if (!path)
+		return -1;
+
+	fd = open(path, O_RDONLY);
+	if (fd < 0)
+		return -1;
+
+	size = lseek(fd, 0, SEEK_END);
+	data = mmap(NULL, size, PROT_READ, MAP_PRIVATE, fd, 0);
+	if (data == MAP_FAILED)
+		return -1;
+
+	if (type == 0) {
+		struct fw_av *av = data;
+		for (i = 0; i < size / sizeof(*av); i++)
+			printf("%08x %08x\n", av[i].addr, av[i].data);
+	} else
+	if (type == 1) {
+		struct fw_aiv *av = data;
+		for (i = 0; i < size / sizeof(*av); i++) {
+			printf("%08x %08x %08x\n", av[i].addr,
+			       av[i].index, av[i].data);
+		}
+	}
+
+	return 0;
+}