1 /*-
2 * Copyright (c) 2002-2007 Neterion, Inc.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD$
27 */
28
29 #ifndef XGE_OS_PAL_H
30 #define XGE_OS_PAL_H
31
32 #include <dev/nxge/include/xge-defs.h>
33
34 __EXTERN_BEGIN_DECLS
35
36 /*--------------------------- platform switch ------------------------------*/
37
38 /* platform specific header */
39 #include <dev/nxge/xge-osdep.h>
40
41 #if !defined(XGE_OS_PLATFORM_64BIT) && !defined(XGE_OS_PLATFORM_32BIT)
42 #error "either 32bit or 64bit switch must be defined!"
43 #endif
44
45 #if !defined(XGE_OS_HOST_BIG_ENDIAN) && !defined(XGE_OS_HOST_LITTLE_ENDIAN)
46 #error "either little endian or big endian switch must be defined!"
47 #endif
48
49 #if defined(XGE_OS_PLATFORM_64BIT)
50 #define XGE_OS_MEMORY_DEADCODE_PAT 0x5a5a5a5a5a5a5a5a
51 #else
52 #define XGE_OS_MEMORY_DEADCODE_PAT 0x5a5a5a5a
53 #endif
54
55 #define XGE_OS_TRACE_MSGBUF_MAX 512
56 typedef struct xge_os_tracebuf_t {
57 int wrapped_once; /* circular buffer been wrapped */
58 int timestamp; /* whether timestamps are enabled */
59 volatile int offset; /* offset within the tracebuf */
60 int size; /* total size of trace buffer */
61 char msg[XGE_OS_TRACE_MSGBUF_MAX]; /* each individual buffer */
62 int msgbuf_max; /* actual size of msg buffer */
63 char *data; /* pointer to data buffer */
64 } xge_os_tracebuf_t;
65 extern xge_os_tracebuf_t *g_xge_os_tracebuf;
66
67 #ifdef XGE_TRACE_INTO_CIRCULAR_ARR
68 extern xge_os_tracebuf_t *g_xge_os_tracebuf;
69 extern char *dmesg_start;
70
71 /* Calculate the size of the msg and copy it into the global buffer */
72 #define __xge_trace(tb) { \
73 int msgsize = xge_os_strlen(tb->msg) + 2; \
74 int offset = tb->offset; \
75 if (msgsize != 2 && msgsize < tb->msgbuf_max) { \
76 int leftsize = tb->size - offset; \
77 if ((msgsize + tb->msgbuf_max) > leftsize) { \
78 xge_os_memzero(tb->data + offset, leftsize); \
79 offset = 0; \
80 tb->wrapped_once = 1; \
81 } \
82 xge_os_memcpy(tb->data + offset, tb->msg, msgsize-1); \
83 *(tb->data + offset + msgsize-1) = '\n'; \
84 *(tb->data + offset + msgsize) = 0; \
85 offset += msgsize; \
86 tb->offset = offset; \
87 dmesg_start = tb->data + offset; \
88 *tb->msg = 0; \
89 } \
90 }
91
92 #define xge_os_vatrace(tb, fmt) { \
93 if (tb != NULL) { \
94 char *_p = tb->msg; \
95 if (tb->timestamp) { \
96 xge_os_timestamp(tb->msg); \
97 _p = tb->msg + xge_os_strlen(tb->msg); \
98 } \
99 xge_os_vasprintf(_p, fmt); \
100 __xge_trace(tb); \
101 } \
102 }
103
104 #ifdef __GNUC__
105 #define xge_os_trace(tb, fmt...) { \
106 if (tb != NULL) { \
107 if (tb->timestamp) { \
108 xge_os_timestamp(tb->msg); \
109 } \
110 xge_os_sprintf(tb->msg + xge_os_strlen(tb->msg), fmt); \
111 __xge_trace(tb); \
112 } \
113 }
114 #endif /* __GNUC__ */
115
116 #else
117 #define xge_os_vatrace(tb, fmt)
118 #ifdef __GNUC__
119 #define xge_os_trace(tb, fmt...)
120 #endif /* __GNUC__ */
121 #endif
122
123 __EXTERN_END_DECLS
124
125 #endif /* XGE_OS_PAL_H */
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