]>
git.ipfire.org Git - thirdparty/u-boot.git/blob - cmd/iotrace.c
1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (c) 2014 Google, Inc
10 static void do_print_stats(void)
12 ulong start
, size
, offset
, count
;
14 printf("iotrace is %sabled\n", iotrace_get_enabled() ? "en" : "dis");
15 iotrace_get_buffer(&start
, &size
, &offset
, &count
);
16 printf("Start: %08lx\n", start
);
17 printf("Size: %08lx\n", size
);
18 printf("Offset: %08lx\n", offset
);
19 printf("Output: %08lx\n", start
+ offset
);
20 printf("Count: %08lx\n", count
);
21 printf("CRC32: %08lx\n", (ulong
)iotrace_get_checksum());
24 static int do_set_buffer(int argc
, char * const argv
[])
26 ulong addr
= 0, size
= 0;
29 addr
= simple_strtoul(*argv
++, NULL
, 16);
30 size
= simple_strtoul(*argv
++, NULL
, 16);
31 } else if (argc
!= 0) {
35 iotrace_set_buffer(addr
, size
);
40 int do_iotrace(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
42 const char *cmd
= argc
< 2 ? NULL
: argv
[1];
45 return cmd_usage(cmdtp
);
48 return do_set_buffer(argc
- 2, argv
+ 2);
50 iotrace_set_enabled(0);
53 iotrace_set_enabled(1);
66 iotrace
, 4, 1, do_iotrace
,
67 "iotrace utility commands",
68 "stats - display iotrace stats\n"
69 "iotrace buffer <address> <size> - set iotrace buffer\n"
70 "iotrace pause - pause tracing\n"
71 "iotrace resume - resume tracing"