]>
git.ipfire.org Git - thirdparty/u-boot.git/blob - cmd/trace.c
1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (c) 2011 The Chromium OS Authors.
12 static int get_args(int argc
, char * const argv
[], char **buff
,
13 size_t *buff_ptr
, size_t *buff_size
)
18 *buff_size
= env_get_ulong("profsize", 16, 0);
19 *buff
= map_sysmem(env_get_ulong("profbase", 16, 0),
21 *buff_ptr
= env_get_ulong("profoffset", 16, 0);
23 *buff_size
= simple_strtoul(argv
[3], NULL
, 16);
24 *buff
= map_sysmem(simple_strtoul(argv
[2], NULL
, 16),
31 static int create_func_list(int argc
, char * const argv
[])
33 size_t buff_size
, avail
, buff_ptr
, used
;
38 if (get_args(argc
, argv
, &buff
, &buff_ptr
, &buff_size
))
41 avail
= buff_size
- buff_ptr
;
42 err
= trace_list_functions(buff
+ buff_ptr
, avail
, &needed
);
44 printf("Error: truncated (%#x bytes needed)\n", needed
);
45 used
= min(avail
, (size_t)needed
);
46 printf("Function trace dumped to %08lx, size %#zx\n",
47 (ulong
)map_to_sysmem(buff
+ buff_ptr
), used
);
48 env_set_hex("profbase", map_to_sysmem(buff
));
49 env_set_hex("profsize", buff_size
);
50 env_set_hex("profoffset", buff_ptr
+ used
);
55 static int create_call_list(int argc
, char * const argv
[])
57 size_t buff_size
, avail
, buff_ptr
, used
;
62 if (get_args(argc
, argv
, &buff
, &buff_ptr
, &buff_size
))
65 avail
= buff_size
- buff_ptr
;
66 err
= trace_list_calls(buff
+ buff_ptr
, avail
, &needed
);
68 printf("Error: truncated (%#x bytes needed)\n", needed
);
69 used
= min(avail
, (size_t)needed
);
70 printf("Call list dumped to %08lx, size %#zx\n",
71 (ulong
)map_to_sysmem(buff
+ buff_ptr
), used
);
73 env_set_hex("profbase", map_to_sysmem(buff
));
74 env_set_hex("profsize", buff_size
);
75 env_set_hex("profoffset", buff_ptr
+ used
);
80 int do_trace(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
82 const char *cmd
= argc
< 2 ? NULL
: argv
[1];
85 return cmd_usage(cmdtp
);
91 if (create_call_list(argc
, argv
))
92 return cmd_usage(cmdtp
);
98 if (create_func_list(argc
, argv
))
99 return cmd_usage(cmdtp
);
105 return CMD_RET_USAGE
;
112 trace
, 4, 1, do_trace
,
113 "trace utility commands",
114 "stats - display tracing statistics\n"
115 "trace pause - pause tracing\n"
116 "trace resume - resume tracing\n"
117 "trace funclist [<addr> <size>] - dump function list into buffer\n"
118 "trace calls [<addr> <size>] "
119 "- dump function call trace into buffer"