WebSVN – HelenOS – Diff – /trunk/kernel/arch/sparc64/src/trap/exception.c


/*
 * Copyright (c) 2005 Jakub Jermar
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
/** @addtogroup sparc64interrupt
 * @{
 */
/** @file
 *
 */
 
#include <arch/trap/exception.h>
#include <arch/mm/tlb.h>
#include <arch/interrupt.h>
#include <interrupt.h>
#include <arch/asm.h>
#include <arch/register.h>
#include <debug.h>
 
#include <print.h>
 
#ifdef CONFIG_SYMTAB
#include <symtab.h>
#endif
 
void dump_istate(istate_t *istate)
{
    char *tpcs, *tnpcs;
 
#ifdef CONFIG_SYMTAB
    tpcs = get_symtab_entry(istate->tpc);
    tnpcs = get_symtab_entry(istate->tnpc);
#else
    tpcs = tnpcs = "n/a";
#endif
    printf("TSTATE=%#" PRIx64 "\n", istate->tstate);
    printf("TPC=%#" PRIx64 " (%s)\n", istate->tpc, tpcs);
    printf("TNPC=%#" PRIx64 " (%s)\n", istate->tnpc, tnpcs);
}
 
/** Handle instruction_access_exception. (0x8) */
void instruction_access_exception(int n, istate_t *istate)
{
    fault_if_from_uspace(istate, "%s.", __func__);
    dump_istate(istate);
    panic("%s.", __func__);
}
 
/** Handle instruction_access_error. (0xa) */
void instruction_access_error(int n, istate_t *istate)
{
    fault_if_from_uspace(istate, "%s.", __func__);
    dump_istate(istate);
    panic("%s.", __func__);
}
 
/** Handle illegal_instruction. (0x10) */
void illegal_instruction(int n, istate_t *istate)
{
    fault_if_from_uspace(istate, "%s.", __func__);
    dump_istate(istate);
    panic("%s.", __func__);
}
 
/** Handle privileged_opcode. (0x11) */
void privileged_opcode(int n, istate_t *istate)
{
    fault_if_from_uspace(istate, "%s.", __func__);
    dump_istate(istate);
    panic("%s.", __func__);
}
 
/** Handle unimplemented_LDD. (0x12) */
void unimplemented_LDD(int n, istate_t *istate)
{
    fault_if_from_uspace(istate, "%s.", __func__);
    dump_istate(istate);
    panic("%s.", __func__);
}
 
/** Handle unimplemented_STD. (0x13) */
void unimplemented_STD(int n, istate_t *istate)
{
    fault_if_from_uspace(istate, "%s.", __func__);
    dump_istate(istate);
    panic("%s.", __func__);
}
 
/** Handle fp_disabled. (0x20) */
void fp_disabled(int n, istate_t *istate)
{
    fprs_reg_t fprs;
   
    fprs.value = fprs_read();
    if (!fprs.fef) {
        fprs.fef = true;
        fprs_write(fprs.value);
        return;
    }
 
#ifdef CONFIG_FPU_LAZY
    scheduler_fpu_lazy_request();
#else
    fault_if_from_uspace(istate, "%s.", __func__);
    dump_istate(istate);
    panic("%s.", __func__);
#endif
}
 
/** Handle fp_exception_ieee_754. (0x21) */
void fp_exception_ieee_754(int n, istate_t *istate)
{
    fault_if_from_uspace(istate, "%s.", __func__);
    dump_istate(istate);
    panic("%s.", __func__);
}
 
/** Handle fp_exception_other. (0x22) */
void fp_exception_other(int n, istate_t *istate)
{
    fault_if_from_uspace(istate, "%s.", __func__);
    dump_istate(istate);
    panic("%s.", __func__);
}
 
/** Handle tag_overflow. (0x23) */
void tag_overflow(int n, istate_t *istate)
{
    fault_if_from_uspace(istate, "%s.", __func__);
    dump_istate(istate);
    panic("%s.", __func__);
}
 
/** Handle division_by_zero. (0x28) */
void division_by_zero(int n, istate_t *istate)
{
    fault_if_from_uspace(istate, "%s.", __func__);
    dump_istate(istate);
    panic("%s.", __func__);
}
 
/** Handle data_access_exception. (0x30) */
void data_access_exception(int n, istate_t *istate)
{
    fault_if_from_uspace(istate, "%s.", __func__);
    dump_istate(istate);
    dump_sfsr_and_sfar();
    panic("%s.", __func__);
}
 
/** Handle data_access_error. (0x32) */
void data_access_error(int n, istate_t *istate)
{
    fault_if_from_uspace(istate, "%s.", __func__);
    dump_istate(istate);
    panic("%s.", __func__);
}
 
/** Handle mem_address_not_aligned. (0x34) */
void mem_address_not_aligned(int n, istate_t *istate)
{
    fault_if_from_uspace(istate, "%s.", __func__);
    dump_istate(istate);
    panic("%s.", __func__);
}
 
/** Handle LDDF_mem_address_not_aligned. (0x35) */
void LDDF_mem_address_not_aligned(int n, istate_t *istate)
{
    fault_if_from_uspace(istate, "%s.", __func__);
    dump_istate(istate);
    panic("%s.", __func__);
}
 
/** Handle STDF_mem_address_not_aligned. (0x36) */
void STDF_mem_address_not_aligned(int n, istate_t *istate)
{
    fault_if_from_uspace(istate, "%s.", __func__);
    dump_istate(istate);
    panic("%s.", __func__);
}
 
/** Handle privileged_action. (0x37) */
void privileged_action(int n, istate_t *istate)
{
    fault_if_from_uspace(istate, "%s.", __func__);
    dump_istate(istate);
    panic("%s.", __func__);
}
 
/** Handle LDQF_mem_address_not_aligned. (0x38) */
void LDQF_mem_address_not_aligned(int n, istate_t *istate)
{
    fault_if_from_uspace(istate, "%s.", __func__);
    dump_istate(istate);
    panic("%s.", __func__);
}
 
/** Handle STQF_mem_address_not_aligned. (0x39) */
void STQF_mem_address_not_aligned(int n, istate_t *istate)
{
    fault_if_from_uspace(istate, "%s.", __func__);
    dump_istate(istate);
    panic("%s.", __func__);
}
 
/** @}
 */
 

Rev 3790	Rev 4132
1	/*	1	/*
2	* Copyright (c) 2005 Jakub Jermar	2	* Copyright (c) 2005 Jakub Jermar
3	* All rights reserved.	3	* All rights reserved.
4	*	4	*
5	* Redistribution and use in source and binary forms, with or without	5	* Redistribution and use in source and binary forms, with or without
6	* modification, are permitted provided that the following conditions	6	* modification, are permitted provided that the following conditions
7	* are met:	7	* are met:
8	*	8	*
9	* - Redistributions of source code must retain the above copyright	9	* - Redistributions of source code must retain the above copyright
10	* notice, this list of conditions and the following disclaimer.	10	* notice, this list of conditions and the following disclaimer.
11	* - Redistributions in binary form must reproduce the above copyright	11	* - Redistributions in binary form must reproduce the above copyright
12	* notice, this list of conditions and the following disclaimer in the	12	* notice, this list of conditions and the following disclaimer in the
13	* documentation and/or other materials provided with the distribution.	13	* documentation and/or other materials provided with the distribution.
14	* - The name of the author may not be used to endorse or promote products	14	* - The name of the author may not be used to endorse or promote products
15	* derived from this software without specific prior written permission.	15	* derived from this software without specific prior written permission.
16	*	16	*
17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR	17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES	18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.	19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,	20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT	21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,	22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY	23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT	24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF	25	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.	26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27	*/	27	*/
28		28
29	/** @addtogroup sparc64interrupt	29	/** @addtogroup sparc64interrupt
30	* @{	30	* @{
31	*/	31	*/
32	/** @file	32	/** @file
33	*	33	*
34	*/	34	*/
35		35
36	#include <arch/trap/exception.h>	36	#include <arch/trap/exception.h>
37	#include <arch/mm/tlb.h>	37	#include <arch/mm/tlb.h>
38	#include <arch/interrupt.h>	38	#include <arch/interrupt.h>
39	#include <interrupt.h>	39	#include <interrupt.h>
40	#include <arch/asm.h>	40	#include <arch/asm.h>
41	#include <arch/register.h>	41	#include <arch/register.h>
42	#include <debug.h>	42	#include <debug.h>
43	#include <symtab.h>	-
44	#include <print.h>	43	#include <print.h>
45		44
-		45	#ifdef CONFIG_SYMTAB
-		46	#include <symtab.h>
-		47	#endif
-		48
46	void dump_istate(istate_t *istate)	49	void dump_istate(istate_t *istate)
47	{	50	{
-		51	char tpcs, tnpcs;
-		52
-		53	#ifdef CONFIG_SYMTAB
-		54	tpcs = get_symtab_entry(istate->tpc);
-		55	tnpcs = get_symtab_entry(istate->tnpc);
-		56	#else
-		57	tpcs = tnpcs = "n/a";
-		58	#endif
48	printf("TSTATE=%#" PRIx64 "\n", istate->tstate);	59	printf("TSTATE=%#" PRIx64 "\n", istate->tstate);
49	printf("TPC=%#" PRIx64 " (%s)\n", istate->tpc, get_symtab_entry(istate->tpc));	60	printf("TPC=%#" PRIx64 " (%s)\n", istate->tpc, tpcs);
50	printf("TNPC=%#" PRIx64 " (%s)\n", istate->tnpc, get_symtab_entry(istate->tnpc));	61	printf("TNPC=%#" PRIx64 " (%s)\n", istate->tnpc, tnpcs);
51	}	62	}
52		63
53	/** Handle instruction_access_exception. (0x8) */	64	/** Handle instruction_access_exception. (0x8) */
54	void instruction_access_exception(int n, istate_t *istate)	65	void instruction_access_exception(int n, istate_t *istate)
55	{	66	{
56	fault_if_from_uspace(istate, "%s.", __func__);	67	fault_if_from_uspace(istate, "%s.", __func__);
57	dump_istate(istate);	68	dump_istate(istate);
58	panic("%s.", __func__);	69	panic("%s.", __func__);
59	}	70	}
60		71
61	/** Handle instruction_access_error. (0xa) */	72	/** Handle instruction_access_error. (0xa) */
62	void instruction_access_error(int n, istate_t *istate)	73	void instruction_access_error(int n, istate_t *istate)
63	{	74	{
64	fault_if_from_uspace(istate, "%s.", __func__);	75	fault_if_from_uspace(istate, "%s.", __func__);
65	dump_istate(istate);	76	dump_istate(istate);
66	panic("%s.", __func__);	77	panic("%s.", __func__);
67	}	78	}
68		79
69	/** Handle illegal_instruction. (0x10) */	80	/** Handle illegal_instruction. (0x10) */
70	void illegal_instruction(int n, istate_t *istate)	81	void illegal_instruction(int n, istate_t *istate)
71	{	82	{
72	fault_if_from_uspace(istate, "%s.", __func__);	83	fault_if_from_uspace(istate, "%s.", __func__);
73	dump_istate(istate);	84	dump_istate(istate);
74	panic("%s.", __func__);	85	panic("%s.", __func__);
75	}	86	}
76		87
77	/** Handle privileged_opcode. (0x11) */	88	/** Handle privileged_opcode. (0x11) */
78	void privileged_opcode(int n, istate_t *istate)	89	void privileged_opcode(int n, istate_t *istate)
79	{	90	{
80	fault_if_from_uspace(istate, "%s.", __func__);	91	fault_if_from_uspace(istate, "%s.", __func__);
81	dump_istate(istate);	92	dump_istate(istate);
82	panic("%s.", __func__);	93	panic("%s.", __func__);
83	}	94	}
84		95
85	/** Handle unimplemented_LDD. (0x12) */	96	/** Handle unimplemented_LDD. (0x12) */
86	void unimplemented_LDD(int n, istate_t *istate)	97	void unimplemented_LDD(int n, istate_t *istate)
87	{	98	{
88	fault_if_from_uspace(istate, "%s.", __func__);	99	fault_if_from_uspace(istate, "%s.", __func__);
89	dump_istate(istate);	100	dump_istate(istate);
90	panic("%s.", __func__);	101	panic("%s.", __func__);
91	}	102	}
92		103
93	/** Handle unimplemented_STD. (0x13) */	104	/** Handle unimplemented_STD. (0x13) */
94	void unimplemented_STD(int n, istate_t *istate)	105	void unimplemented_STD(int n, istate_t *istate)
95	{	106	{
96	fault_if_from_uspace(istate, "%s.", __func__);	107	fault_if_from_uspace(istate, "%s.", __func__);
97	dump_istate(istate);	108	dump_istate(istate);
98	panic("%s.", __func__);	109	panic("%s.", __func__);
99	}	110	}
100		111
101	/** Handle fp_disabled. (0x20) */	112	/** Handle fp_disabled. (0x20) */
102	void fp_disabled(int n, istate_t *istate)	113	void fp_disabled(int n, istate_t *istate)
103	{	114	{
104	fprs_reg_t fprs;	115	fprs_reg_t fprs;
105		116
106	fprs.value = fprs_read();	117	fprs.value = fprs_read();
107	if (!fprs.fef) {	118	if (!fprs.fef) {
108	fprs.fef = true;	119	fprs.fef = true;
109	fprs_write(fprs.value);	120	fprs_write(fprs.value);
110	return;	121	return;
111	}	122	}
112		123
113	#ifdef CONFIG_FPU_LAZY	124	#ifdef CONFIG_FPU_LAZY
114	scheduler_fpu_lazy_request();	125	scheduler_fpu_lazy_request();
115	#else	126	#else
116	fault_if_from_uspace(istate, "%s.", __func__);	127	fault_if_from_uspace(istate, "%s.", __func__);
117	dump_istate(istate);	128	dump_istate(istate);
118	panic("%s.", __func__);	129	panic("%s.", __func__);
119	#endif	130	#endif
120	}	131	}
121		132
122	/** Handle fp_exception_ieee_754. (0x21) */	133	/** Handle fp_exception_ieee_754. (0x21) */
123	void fp_exception_ieee_754(int n, istate_t *istate)	134	void fp_exception_ieee_754(int n, istate_t *istate)
124	{	135	{
125	fault_if_from_uspace(istate, "%s.", __func__);	136	fault_if_from_uspace(istate, "%s.", __func__);
126	dump_istate(istate);	137	dump_istate(istate);
127	panic("%s.", __func__);	138	panic("%s.", __func__);
128	}	139	}
129		140
130	/** Handle fp_exception_other. (0x22) */	141	/** Handle fp_exception_other. (0x22) */
131	void fp_exception_other(int n, istate_t *istate)	142	void fp_exception_other(int n, istate_t *istate)
132	{	143	{
133	fault_if_from_uspace(istate, "%s.", __func__);	144	fault_if_from_uspace(istate, "%s.", __func__);
134	dump_istate(istate);	145	dump_istate(istate);
135	panic("%s.", __func__);	146	panic("%s.", __func__);
136	}	147	}
137		148
138	/** Handle tag_overflow. (0x23) */	149	/** Handle tag_overflow. (0x23) */
139	void tag_overflow(int n, istate_t *istate)	150	void tag_overflow(int n, istate_t *istate)
140	{	151	{
141	fault_if_from_uspace(istate, "%s.", __func__);	152	fault_if_from_uspace(istate, "%s.", __func__);
142	dump_istate(istate);	153	dump_istate(istate);
143	panic("%s.", __func__);	154	panic("%s.", __func__);
144	}	155	}
145		156
146	/** Handle division_by_zero. (0x28) */	157	/** Handle division_by_zero. (0x28) */
147	void division_by_zero(int n, istate_t *istate)	158	void division_by_zero(int n, istate_t *istate)
148	{	159	{
149	fault_if_from_uspace(istate, "%s.", __func__);	160	fault_if_from_uspace(istate, "%s.", __func__);
150	dump_istate(istate);	161	dump_istate(istate);
151	panic("%s.", __func__);	162	panic("%s.", __func__);
152	}	163	}
153		164
154	/** Handle data_access_exception. (0x30) */	165	/** Handle data_access_exception. (0x30) */
155	void data_access_exception(int n, istate_t *istate)	166	void data_access_exception(int n, istate_t *istate)
156	{	167	{
157	fault_if_from_uspace(istate, "%s.", __func__);	168	fault_if_from_uspace(istate, "%s.", __func__);
158	dump_istate(istate);	169	dump_istate(istate);
159	dump_sfsr_and_sfar();	170	dump_sfsr_and_sfar();
160	panic("%s.", __func__);	171	panic("%s.", __func__);
161	}	172	}
162		173
163	/** Handle data_access_error. (0x32) */	174	/** Handle data_access_error. (0x32) */
164	void data_access_error(int n, istate_t *istate)	175	void data_access_error(int n, istate_t *istate)
165	{	176	{
166	fault_if_from_uspace(istate, "%s.", __func__);	177	fault_if_from_uspace(istate, "%s.", __func__);
167	dump_istate(istate);	178	dump_istate(istate);
168	panic("%s.", __func__);	179	panic("%s.", __func__);
169	}	180	}
170		181
171	/** Handle mem_address_not_aligned. (0x34) */	182	/** Handle mem_address_not_aligned. (0x34) */
172	void mem_address_not_aligned(int n, istate_t *istate)	183	void mem_address_not_aligned(int n, istate_t *istate)
173	{	184	{
174	fault_if_from_uspace(istate, "%s.", __func__);	185	fault_if_from_uspace(istate, "%s.", __func__);
175	dump_istate(istate);	186	dump_istate(istate);
176	panic("%s.", __func__);	187	panic("%s.", __func__);
177	}	188	}
178		189
179	/** Handle LDDF_mem_address_not_aligned. (0x35) */	190	/** Handle LDDF_mem_address_not_aligned. (0x35) */
180	void LDDF_mem_address_not_aligned(int n, istate_t *istate)	191	void LDDF_mem_address_not_aligned(int n, istate_t *istate)
181	{	192	{
182	fault_if_from_uspace(istate, "%s.", __func__);	193	fault_if_from_uspace(istate, "%s.", __func__);
183	dump_istate(istate);	194	dump_istate(istate);
184	panic("%s.", __func__);	195	panic("%s.", __func__);
185	}	196	}
186		197
187	/** Handle STDF_mem_address_not_aligned. (0x36) */	198	/** Handle STDF_mem_address_not_aligned. (0x36) */
188	void STDF_mem_address_not_aligned(int n, istate_t *istate)	199	void STDF_mem_address_not_aligned(int n, istate_t *istate)
189	{	200	{
190	fault_if_from_uspace(istate, "%s.", __func__);	201	fault_if_from_uspace(istate, "%s.", __func__);
191	dump_istate(istate);	202	dump_istate(istate);
192	panic("%s.", __func__);	203	panic("%s.", __func__);
193	}	204	}
194		205
195	/** Handle privileged_action. (0x37) */	206	/** Handle privileged_action. (0x37) */
196	void privileged_action(int n, istate_t *istate)	207	void privileged_action(int n, istate_t *istate)
197	{	208	{
198	fault_if_from_uspace(istate, "%s.", __func__);	209	fault_if_from_uspace(istate, "%s.", __func__);
199	dump_istate(istate);	210	dump_istate(istate);
200	panic("%s.", __func__);	211	panic("%s.", __func__);
201	}	212	}
202		213
203	/** Handle LDQF_mem_address_not_aligned. (0x38) */	214	/** Handle LDQF_mem_address_not_aligned. (0x38) */
204	void LDQF_mem_address_not_aligned(int n, istate_t *istate)	215	void LDQF_mem_address_not_aligned(int n, istate_t *istate)
205	{	216	{
206	fault_if_from_uspace(istate, "%s.", __func__);	217	fault_if_from_uspace(istate, "%s.", __func__);
207	dump_istate(istate);	218	dump_istate(istate);
208	panic("%s.", __func__);	219	panic("%s.", __func__);
209	}	220	}
210		221
211	/** Handle STQF_mem_address_not_aligned. (0x39) */	222	/** Handle STQF_mem_address_not_aligned. (0x39) */
212	void STQF_mem_address_not_aligned(int n, istate_t *istate)	223	void STQF_mem_address_not_aligned(int n, istate_t *istate)
213	{	224	{
214	fault_if_from_uspace(istate, "%s.", __func__);	225	fault_if_from_uspace(istate, "%s.", __func__);
215	dump_istate(istate);	226	dump_istate(istate);
216	panic("%s.", __func__);	227	panic("%s.", __func__);
217	}	228	}
218		229
219	/** @}	230	/** @}
220	*/	231	*/
221		232

Subversion Repositories HelenOS

(root)/trunk/kernel/arch/sparc64/src/trap/exception.c @ 3790 – Rev 3790 → 4132