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syslog.c@ 101

Last change on this file since 101 was 101, checked in by coas-nagasima, 8 years ago
TOPPERS/uKadecotのソースコードを追加
Property svn:eol-style set to `native` Property svn:keywords set to `Id` Property svn:mime-type set to `text/plain`
File size: 5.7 KB

Line
1	/*
2	* TOPPERS/SSP Kernel
3	* Smallest Set Profile Kernel
4	*
5	* Copyright (C) 2000-2003 by Embedded and Real-Time Systems Laboratory
6	* Toyohashi Univ. of Technology, JAPAN
7	* Copyright (C) 2005-2010 by Embedded and Real-Time Systems Laboratory
8	* Graduate School of Information Science, Nagoya Univ., JAPAN
9	*
10	* ãLì ÒÍCÈºÌ(1)`(4)Ìðð½·êÉÀèC{\tgEF
11	* Ai{\tgEFAðüÏµ½àÌðÜÞDÈº¯¶jðgpE¡»Eü
12	* ÏEÄzziÈºCpÆÄÔj·é±Æð³Åø·éD
13	* (1) {\tgEFAð\[XR[hÌ`Åp·éêÉÍCãLÌì
14	* \¦C±Ìpð¨æÑºLÌ³ÛØKèªC»ÌÜÜÌ`Å\[
15	* XR[hÉÜÜêÄ¢é±ÆD
16	* (2) {\tgEFAðCCu`®ÈÇC¼Ì\tgEFAJÉg
17	* pÅ«é`ÅÄzz·éêÉÍCÄzzÉº¤hL
18	gip
19	* Ò}j
20	AÈÇjÉCãLÌì \¦C±Ìpð¨æÑºL
21	* Ì³ÛØKèðfÚ·é±ÆD
22	* (3) {\tgEFAðC@íÉgÝÞÈÇC¼Ì\tgEFAJÉg
23	* pÅ«È¢`ÅÄzz·éêÉÍCÌ¢¸ê©Ìðð½·±
24	* ÆD
25	* (a) ÄzzÉº¤hL
26	gipÒ}j
27	AÈÇjÉCãLÌ
28	* ì \¦C±Ìpð¨æÑºLÌ³ÛØKèðfÚ·é±ÆD
29	* (b) ÄzzÌ`ÔðCÊÉèßéû@ÉæÁÄCTOPPERSvWFNgÉ
30	* ñ·é±ÆD
31	* (4) {\tgEFAÌpÉæè¼ÚIÜ½ÍÔÚIÉ¶¶é¢©Èé¹
32	* Q©çàCãLì Ò¨æÑTOPPERSvWFNgðÆÓ·é±ÆD
33	* Ü½C{\tgEFAÌ[UÜ½ÍGh[U©çÌ¢©Èé
34	* RÉîÃ¿©çàCãLì Ò¨æÑTOPPERSvWFNgð
35	* ÆÓ·é±ÆD
36	*
37	* {\tgEFAÍC³ÛØÅñ³êÄ¢éàÌÅ éDãLì Ò¨
38	* æÑTOPPERSvWFNgÍC{\tgEFAÉÖµÄCÁèÌgpÚI
39	* ÉÎ·éK«àÜßÄC¢©ÈéÛØàsíÈ¢DÜ½C{\tgEF
40	* AÌpÉæè¼ÚIÜ½ÍÔÚIÉ¶¶½¢©Èé¹QÉÖµÄàC»
41	* ÌÓCðíÈ¢D
42	*
43	* $Id: syslog.c 101 2015-06-02 15:37:23Z coas-nagasima $
44	*/
45
46	/*
47	* VXeO@\
48	*/
49
50	#include <sil.h>
51	#undef TOPPERS_OMIT_SYSLOG
52	#include <t_syslog.h>
53	#include <log_output.h>
54	#include "target_syssvc.h"
55	#include "syslog.h"
56
57	/*
58	* g[XO}NÌftHgè`
59	*/
60	#ifndef LOG_SYSLOG_WRI_LOG_ENTER
61	#define LOG_SYSLOG_WRI_LOG_ENTER(prio, p_syslog)
62	#endif /* LOG_SYSLOG_WRI_LOG_ENTER */
63
64	#ifndef LOG_SYSLOG_WRI_LOG_LEAVE
65	#define LOG_SYSLOG_WRI_LOG_LEAVE(ercd)
66	#endif /* LOG_SYSLOG_WRI_LOG_LEAVE */
67
68	#ifndef LOG_SYSLOG_REA_LOG_ENTER
69	#define LOG_SYSLOG_REA_LOG_ENTER(p_syslog)
70	#endif /* LOG_SYSLOG_REA_LOG_ENTER */
71
72	#ifndef LOG_SYSLOG_REA_LOG_LEAVE
73	#define LOG_SYSLOG_REA_LOG_LEAVE(ercd, p_syslog)
74	#endif /* LOG_SYSLOG_REA_LOG_LEAVE */
75
76	#ifndef LOG_SYSLOG_MSK_LOG_ENTER
77	#define LOG_SYSLOG_MSK_LOG_ENTER(logmask, lowmask)
78	#endif /* LOG_SYSLOG_MSK_LOG_ENTER */
79
80	#ifndef LOG_SYSLOG_MSK_LOG_LEAVE
81	#define LOG_SYSLOG_MSK_LOG_LEAVE(ercd)
82	#endif /* LOG_SYSLOG_MSK_LOG_LEAVE */
83
84	#ifndef LOG_SYSLOG_REF_LOG_ENTER
85	#define LOG_SYSLOG_REF_LOG_ENTER(pk_rlog)
86	#endif /* LOG_SYSLOG_REF_LOG_ENTER */
87
88	#ifndef LOG_SYSLOG_REF_LOG_LEAVE
89	#define LOG_SYSLOG_REF_LOG_LEAVE(pk_rlog)
90	#endif /* LOG_SYSLOG_REF_LOG_LEAVE */
91
92	/*
93	* »ÝÌVXe
94	*
95	* Oðæèo·½ßÉCâÞÈCJ[lÌàÏðQÆµÄ¢
96	* éD
97	*/
98	extern ulong_t _kernel_current_time;
99
100	/*
101	* Oobt@Æ»êÉANZX·é½ßÌ\|C^
102	*/
103	static SYSLOG syslog_buffer[TCNT_SYSLOG_BUFFER]; /* Oobt@ */
104	static uint_t syslog_count; /* Oobt@ÌOÌ */
105	static uint_t syslog_head; /* æªÌOÌi[Êu */
106	static uint_t syslog_tail; /* ÌOÌi[Êu */
107	static uint_t syslog_lost; /* ¸íê½OÌ */
108
109	/*
110	* oÍ·×«OîñÌdvxirbg}bvj
111	*/
112	static uint_t syslog_logmask; /* Oobt@ÉL^·×«dvx */
113	static uint_t syslog_lowmask_not; /* áxoÍ·×«dvxi½]j*/
114
115	/*
116	* VXeO@\Ìú»
117	*/
118	void
119	syslog_initialize(intptr_t exinf)
120	{
121	syslog_count = 0U;
122	syslog_head = syslog_tail = 0U;
123	syslog_lost = 0U;
124	syslog_logmask = 0U;
125	syslog_lowmask_not = 0U;
126	}
127
128	/*
129	* OîñÌoÍ
130	*
131	* CPUbNóÔâÀsReLXgÉæç¸®ìÅ«éæ¤ÉÀµÄ éD
132	*/
133	ER
134	syslog_wri_log(uint_t prio, const SYSLOG *p_syslog)
135	{
136	SIL_PRE_LOC;
137
138	LOG_SYSLOG_WRI_LOG_ENTER(prio, p_syslog);
139	SIL_LOC_INT();
140
141	/*
142	* OÌÝè
143	*/
144	((SYSLOG *) p_syslog)->logtim = _kernel_current_time;
145
146	/*
147	* Oobt@ÉL^
148	*/
149	if ((syslog_logmask & LOG_MASK(prio)) != 0U) {
150	syslog_buffer[syslog_tail] = *p_syslog;
151	syslog_tail++;
152	if (syslog_tail >= TCNT_SYSLOG_BUFFER) {
153	syslog_tail = 0U;
154	}
155	if (syslog_count < TCNT_SYSLOG_BUFFER) {
156	syslog_count++;
157	}
158	else {
159	syslog_head = syslog_tail;
160	syslog_lost++;
161	}
162	}
163
164	/*
165	* áxoÍ
166	*/
167	if (((~syslog_lowmask_not) & LOG_MASK(prio)) != 0U) {
168	syslog_print(p_syslog, target_fput_log);
169	(*target_fput_log)('\n');
170	}
171
172	SIL_UNL_INT();
173	LOG_SYSLOG_WRI_LOG_LEAVE(E_OK);
174	return(E_OK);
175	}
176
177	/*
178	* Oobt@©çÌÇoµ
179	*
180	* CPUbNóÔâÀsReLXgÉæç¸®ìÅ«éæ¤ÉÀµÄ éD
181	*/
182	ER_UINT
183	syslog_rea_log(SYSLOG *p_syslog)
184	{
185	ER_UINT ercd;
186	SIL_PRE_LOC;
187
188	LOG_SYSLOG_REA_LOG_ENTER(p_syslog);
189	SIL_LOC_INT();
190
191	/*
192	* Oobt@©çÌæoµ
193	*/
194	if (syslog_count > 0U) {
195	*p_syslog = syslog_buffer[syslog_head];
196	syslog_count--;
197	syslog_head++;
198	if (syslog_head >= TCNT_SYSLOG_BUFFER) {
199	syslog_head = 0U;
200	}
201	ercd = (ER_UINT) syslog_lost;
202	syslog_lost = 0U;
203	}
204	else {
205	ercd = E_OBJ;
206	}
207
208	SIL_UNL_INT();
209	LOG_SYSLOG_REA_LOG_LEAVE(ercd, p_syslog);
210	return(ercd);
211	}
212
213	/*
214	* oÍ·×«OîñÌdvxÌÝè
215	*/
216	ER
217	syslog_msk_log(uint_t logmask, uint_t lowmask)
218	{
219	LOG_SYSLOG_MSK_LOG_ENTER(logmask, lowmask);
220	syslog_logmask = logmask;
221	syslog_lowmask_not = ~lowmask;
222	LOG_SYSLOG_MSK_LOG_LEAVE(E_OK);
223	return(E_OK);
224	}

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