1 /*
2 * Copyright (c) 2018 Oticon A/S
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 */
6
7 #include <soc.h>
8 #include <stdio.h>
9 #include <kernel.h>
10 #include <cmdline.h>
11 #include <sys/__assert.h>
12 #include <tracing_backend.h>
13
14 static void *out_stream;
15 static const char *file_name;
16
tracing_backend_posix_init(void)17 static void tracing_backend_posix_init(void)
18 {
19 if (file_name == NULL) {
20 file_name = "channel0_0";
21 }
22
23 out_stream = (void *)fopen(file_name, "wb");
24
25 __ASSERT(out_stream != NULL, "posix backend init failed");
26 }
27
tracing_backend_posix_output(const struct tracing_backend * backend,uint8_t * data,uint32_t length)28 static void tracing_backend_posix_output(
29 const struct tracing_backend *backend,
30 uint8_t *data, uint32_t length)
31 {
32 fwrite(data, length, 1, (FILE *)out_stream);
33
34 if (!k_is_in_isr()) {
35 fflush((FILE *)out_stream);
36 }
37 }
38
39 const struct tracing_backend_api tracing_backend_posix_api = {
40 .init = tracing_backend_posix_init,
41 .output = tracing_backend_posix_output
42 };
43
44 TRACING_BACKEND_DEFINE(tracing_backend_posix, tracing_backend_posix_api);
45
tracing_backend_posix_option(void)46 void tracing_backend_posix_option(void)
47 {
48 static struct args_struct_t tracing_backend_option[] = {
49 {
50 .manual = false,
51 .is_mandatory = false,
52 .is_switch = false,
53 .option = "trace-file",
54 .name = "file_name",
55 .type = 's',
56 .dest = (void *)&file_name,
57 .call_when_found = NULL,
58 .descript = "File name for tracing output.",
59 },
60 ARG_TABLE_ENDMARKER
61 };
62
63 native_add_command_line_opts(tracing_backend_option);
64 }
65
66 NATIVE_TASK(tracing_backend_posix_option, PRE_BOOT_1, 1);
67
