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 */ 126