]>
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
, needed_size
, offset
, count
;
14 printf("iotrace is %sabled\n", iotrace_get_enabled() ? "en" : "dis");
15 iotrace_get_buffer(&start
, &size
, &needed_size
, &offset
, &count
);
16 printf("Start: %08lx\n", start
);
17 printf("Actual Size: %08lx\n", size
);
18 printf("Needed Size: %08lx\n", needed_size
);
19 iotrace_get_region(&start
, &size
);
20 printf("Region: %08lx\n", start
);
21 printf("Size: %08lx\n", size
);
22 printf("Offset: %08lx\n", offset
);
23 printf("Output: %08lx\n", start
+ offset
);
24 printf("Count: %08lx\n", count
);
25 printf("CRC32: %08lx\n", (ulong
)iotrace_get_checksum());
28 static void do_print_trace(void)
30 ulong start
, size
, needed_size
, offset
, count
;
32 struct iotrace_record
*cur_record
;
34 iotrace_get_buffer(&start
, &size
, &needed_size
, &offset
, &count
);
36 if (!start
|| !size
|| !count
)
39 printf("Timestamp Value Address\n");
41 cur_record
= (struct iotrace_record
*)start
;
42 for (int i
= 0; i
< count
; i
++) {
43 if (cur_record
->flags
& IOT_WRITE
)
44 printf("%08llu: 0x%08lx --> 0x%08llx\n",
45 cur_record
->timestamp
,
47 (unsigned long long)cur_record
->addr
);
49 printf("%08llu: 0x%08lx <-- 0x%08llx\n",
50 cur_record
->timestamp
,
52 (unsigned long long)cur_record
->addr
);
58 static int do_set_buffer(int argc
, char * const argv
[])
60 ulong addr
= 0, size
= 0;
63 addr
= simple_strtoul(*argv
++, NULL
, 16);
64 size
= simple_strtoul(*argv
++, NULL
, 16);
65 } else if (argc
!= 0) {
69 iotrace_set_buffer(addr
, size
);
74 static int do_set_region(int argc
, char * const argv
[])
76 ulong addr
= 0, size
= 0;
79 addr
= simple_strtoul(*argv
++, NULL
, 16);
80 size
= simple_strtoul(*argv
++, NULL
, 16);
81 } else if (argc
!= 0) {
85 iotrace_set_region(addr
, size
);
90 int do_iotrace(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
92 const char *cmd
= argc
< 2 ? NULL
: argv
[1];
95 return cmd_usage(cmdtp
);
98 return do_set_buffer(argc
- 2, argv
+ 2);
100 return do_set_region(argc
- 2, argv
+ 2);
102 iotrace_set_enabled(0);
105 iotrace_set_enabled(1);
114 return CMD_RET_USAGE
;
121 iotrace
, 4, 1, do_iotrace
,
122 "iotrace utility commands",
123 "stats - display iotrace stats\n"
124 "iotrace buffer <address> <size> - set iotrace buffer\n"
125 "iotrace limit <address> <size> - set iotrace region limit\n"
126 "iotrace pause - pause tracing\n"
127 "iotrace resume - resume tracing\n"
128 "iotrace dump - dump iotrace buffer"