WebSVN – HelenOS – Diff – /branches/sparc/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 <symtab.h>
#include <print.h>
 
void dump_istate(istate_t *istate)
{
    printf("TSTATE=%#" PRIx64 "\n", istate->tstate);
    printf("TPC=%#" PRIx64 " (%s)\n", istate->tpc, get_symtab_entry(istate->tpc));
    printf("TNPC=%#" PRIx64 " (%s)\n", istate->tnpc, get_symtab_entry(istate->tnpc));
}
 
/** Handle instruction_access_exception. (0x8) */
void instruction_access_exception(int n, istate_t *istate)
{
    fault_if_from_uspace(istate, "%s\n", __func__);
    dump_istate(istate);
    panic("%s\n", __func__);
}
 
/** Handle instruction_access_error. (0xa) */
void instruction_access_error(int n, istate_t *istate)
{
    fault_if_from_uspace(istate, "%s\n", __func__);
    dump_istate(istate);
    panic("%s\n", __func__);
}
 
/** Handle illegal_instruction. (0x10) */
void illegal_instruction(int n, istate_t *istate)
{
    fault_if_from_uspace(istate, "%s\n", __func__);
    dump_istate(istate);
    panic("%s\n", __func__);
}
 
/** Handle privileged_opcode. (0x11) */
void privileged_opcode(int n, istate_t *istate)
{
    fault_if_from_uspace(istate, "%s\n", __func__);
    dump_istate(istate);
    panic("%s\n", __func__);
}
 
/** Handle unimplemented_LDD. (0x12) */
void unimplemented_LDD(int n, istate_t *istate)
{
    fault_if_from_uspace(istate, "%s\n", __func__);
    dump_istate(istate);
    panic("%s\n", __func__);
}
 
/** Handle unimplemented_STD. (0x13) */
void unimplemented_STD(int n, istate_t *istate)
{
    fault_if_from_uspace(istate, "%s\n", __func__);
    dump_istate(istate);
    panic("%s\n", __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\n", __func__);
    dump_istate(istate);
    panic("%s\n", __func__);
#endif
}
 
/** Handle fp_exception_ieee_754. (0x21) */
void fp_exception_ieee_754(int n, istate_t *istate)
{
    fault_if_from_uspace(istate, "%s\n", __func__);
    dump_istate(istate);
    panic("%s\n", __func__);
}
 
/** Handle fp_exception_other. (0x22) */
void fp_exception_other(int n, istate_t *istate)
{
    fault_if_from_uspace(istate, "%s\n", __func__);
    dump_istate(istate);
    panic("%s\n", __func__);
}
 
/** Handle tag_overflow. (0x23) */
void tag_overflow(int n, istate_t *istate)
{
    fault_if_from_uspace(istate, "%s\n", __func__);
    dump_istate(istate);
    panic("%s\n", __func__);
}
 
/** Handle division_by_zero. (0x28) */
void division_by_zero(int n, istate_t *istate)
{
    fault_if_from_uspace(istate, "%s\n", __func__);
    dump_istate(istate);
    panic("%s\n", __func__);
}
 
/** Handle data_access_exception. (0x30) */
void data_access_exception(int n, istate_t *istate)
{
    fault_if_from_uspace(istate, "%s\n", __func__);
    dump_istate(istate);
    describe_mmu_fault();
    panic("%s\n", __func__);
}
 
/** Handle data_access_error. (0x32) */
void data_access_error(int n, istate_t *istate)
{
    fault_if_from_uspace(istate, "%s\n", __func__);
    dump_istate(istate);
    panic("%s\n", __func__);
}
 
/** Handle mem_address_not_aligned. (0x34) */
void mem_address_not_aligned(int n, istate_t *istate)
{
    fault_if_from_uspace(istate, "%s\n", __func__);
    dump_istate(istate);
    panic("%s\n", __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\n", __func__);
    dump_istate(istate);
    panic("%s\n", __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\n", __func__);
    dump_istate(istate);
    panic("%s\n", __func__);
}
 
/** Handle privileged_action. (0x37) */
void privileged_action(int n, istate_t *istate)
{
    fault_if_from_uspace(istate, "%s\n", __func__);
    dump_istate(istate);
    panic("%s\n", __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\n", __func__);
    dump_istate(istate);
    panic("%s\n", __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\n", __func__);
    dump_istate(istate);
    panic("%s\n", __func__);
}
 
/** @}
 */
 

Rev 3770	Rev 3862
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/sun4u/tlb.h>	-
38	#include <arch/mm/sun4u/tlb.h>	37	#include <arch/mm/tlb.h>
39	#include <arch/interrupt.h>	38	#include <arch/interrupt.h>
40	#include <interrupt.h>	39	#include <interrupt.h>
41	#include <arch/asm.h>	40	#include <arch/asm.h>
42	#include <arch/register.h>	41	#include <arch/register.h>
43	#include <debug.h>	42	#include <debug.h>
44	#include <symtab.h>	43	#include <symtab.h>
45	#include <print.h>	44	#include <print.h>
46		45
47	void dump_istate(istate_t *istate)	46	void dump_istate(istate_t *istate)
48	{	47	{
49	printf("TSTATE=%#" PRIx64 "\n", istate->tstate);	48	printf("TSTATE=%#" PRIx64 "\n", istate->tstate);
50	printf("TPC=%#" PRIx64 " (%s)\n", istate->tpc, get_symtab_entry(istate->tpc));	49	printf("TPC=%#" PRIx64 " (%s)\n", istate->tpc, get_symtab_entry(istate->tpc));
51	printf("TNPC=%#" PRIx64 " (%s)\n", istate->tnpc, get_symtab_entry(istate->tnpc));	50	printf("TNPC=%#" PRIx64 " (%s)\n", istate->tnpc, get_symtab_entry(istate->tnpc));
52	}	51	}
53		52
54	/** Handle instruction_access_exception. (0x8) */	53	/** Handle instruction_access_exception. (0x8) */
55	void instruction_access_exception(int n, istate_t *istate)	54	void instruction_access_exception(int n, istate_t *istate)
56	{	55	{
57	fault_if_from_uspace(istate, "%s\n", __func__);	56	fault_if_from_uspace(istate, "%s\n", __func__);
58	dump_istate(istate);	57	dump_istate(istate);
59	panic("%s\n", __func__);	58	panic("%s\n", __func__);
60	}	59	}
61		60
62	/** Handle instruction_access_error. (0xa) */	61	/** Handle instruction_access_error. (0xa) */
63	void instruction_access_error(int n, istate_t *istate)	62	void instruction_access_error(int n, istate_t *istate)
64	{	63	{
65	fault_if_from_uspace(istate, "%s\n", __func__);	64	fault_if_from_uspace(istate, "%s\n", __func__);
66	dump_istate(istate);	65	dump_istate(istate);
67	panic("%s\n", __func__);	66	panic("%s\n", __func__);
68	}	67	}
69		68
70	/** Handle illegal_instruction. (0x10) */	69	/** Handle illegal_instruction. (0x10) */
71	void illegal_instruction(int n, istate_t *istate)	70	void illegal_instruction(int n, istate_t *istate)
72	{	71	{
73	fault_if_from_uspace(istate, "%s\n", __func__);	72	fault_if_from_uspace(istate, "%s\n", __func__);
74	dump_istate(istate);	73	dump_istate(istate);
75	panic("%s\n", __func__);	74	panic("%s\n", __func__);
76	}	75	}
77		76
78	/** Handle privileged_opcode. (0x11) */	77	/** Handle privileged_opcode. (0x11) */
79	void privileged_opcode(int n, istate_t *istate)	78	void privileged_opcode(int n, istate_t *istate)
80	{	79	{
81	fault_if_from_uspace(istate, "%s\n", __func__);	80	fault_if_from_uspace(istate, "%s\n", __func__);
82	dump_istate(istate);	81	dump_istate(istate);
83	panic("%s\n", __func__);	82	panic("%s\n", __func__);
84	}	83	}
85		84
86	/** Handle unimplemented_LDD. (0x12) */	85	/** Handle unimplemented_LDD. (0x12) */
87	void unimplemented_LDD(int n, istate_t *istate)	86	void unimplemented_LDD(int n, istate_t *istate)
88	{	87	{
89	fault_if_from_uspace(istate, "%s\n", __func__);	88	fault_if_from_uspace(istate, "%s\n", __func__);
90	dump_istate(istate);	89	dump_istate(istate);
91	panic("%s\n", __func__);	90	panic("%s\n", __func__);
92	}	91	}
93		92
94	/** Handle unimplemented_STD. (0x13) */	93	/** Handle unimplemented_STD. (0x13) */
95	void unimplemented_STD(int n, istate_t *istate)	94	void unimplemented_STD(int n, istate_t *istate)
96	{	95	{
97	fault_if_from_uspace(istate, "%s\n", __func__);	96	fault_if_from_uspace(istate, "%s\n", __func__);
98	dump_istate(istate);	97	dump_istate(istate);
99	panic("%s\n", __func__);	98	panic("%s\n", __func__);
100	}	99	}
101		100
102	/** Handle fp_disabled. (0x20) */	101	/** Handle fp_disabled. (0x20) */
103	void fp_disabled(int n, istate_t *istate)	102	void fp_disabled(int n, istate_t *istate)
104	{	103	{
105	fprs_reg_t fprs;	104	fprs_reg_t fprs;
106		105
107	fprs.value = fprs_read();	106	fprs.value = fprs_read();
108	if (!fprs.fef) {	107	if (!fprs.fef) {
109	fprs.fef = true;	108	fprs.fef = true;
110	fprs_write(fprs.value);	109	fprs_write(fprs.value);
111	return;	110	return;
112	}	111	}
113		112
114	#ifdef CONFIG_FPU_LAZY	113	#ifdef CONFIG_FPU_LAZY
115	scheduler_fpu_lazy_request();	114	scheduler_fpu_lazy_request();
116	#else	115	#else
117	fault_if_from_uspace(istate, "%s\n", __func__);	116	fault_if_from_uspace(istate, "%s\n", __func__);
118	dump_istate(istate);	117	dump_istate(istate);
119	panic("%s\n", __func__);	118	panic("%s\n", __func__);
120	#endif	119	#endif
121	}	120	}
122		121
123	/** Handle fp_exception_ieee_754. (0x21) */	122	/** Handle fp_exception_ieee_754. (0x21) */
124	void fp_exception_ieee_754(int n, istate_t *istate)	123	void fp_exception_ieee_754(int n, istate_t *istate)
125	{	124	{
126	fault_if_from_uspace(istate, "%s\n", __func__);	125	fault_if_from_uspace(istate, "%s\n", __func__);
127	dump_istate(istate);	126	dump_istate(istate);
128	panic("%s\n", __func__);	127	panic("%s\n", __func__);
129	}	128	}
130		129
131	/** Handle fp_exception_other. (0x22) */	130	/** Handle fp_exception_other. (0x22) */
132	void fp_exception_other(int n, istate_t *istate)	131	void fp_exception_other(int n, istate_t *istate)
133	{	132	{
134	fault_if_from_uspace(istate, "%s\n", __func__);	133	fault_if_from_uspace(istate, "%s\n", __func__);
135	dump_istate(istate);	134	dump_istate(istate);
136	panic("%s\n", __func__);	135	panic("%s\n", __func__);
137	}	136	}
138		137
139	/** Handle tag_overflow. (0x23) */	138	/** Handle tag_overflow. (0x23) */
140	void tag_overflow(int n, istate_t *istate)	139	void tag_overflow(int n, istate_t *istate)
141	{	140	{
142	fault_if_from_uspace(istate, "%s\n", __func__);	141	fault_if_from_uspace(istate, "%s\n", __func__);
143	dump_istate(istate);	142	dump_istate(istate);
144	panic("%s\n", __func__);	143	panic("%s\n", __func__);
145	}	144	}
146		145
147	/** Handle division_by_zero. (0x28) */	146	/** Handle division_by_zero. (0x28) */
148	void division_by_zero(int n, istate_t *istate)	147	void division_by_zero(int n, istate_t *istate)
149	{	148	{
150	fault_if_from_uspace(istate, "%s\n", __func__);	149	fault_if_from_uspace(istate, "%s\n", __func__);
151	dump_istate(istate);	150	dump_istate(istate);
152	panic("%s\n", __func__);	151	panic("%s\n", __func__);
153	}	152	}
154		153
155	/** Handle data_access_exception. (0x30) */	154	/** Handle data_access_exception. (0x30) */
156	void data_access_exception(int n, istate_t *istate)	155	void data_access_exception(int n, istate_t *istate)
157	{	156	{
158	fault_if_from_uspace(istate, "%s\n", __func__);	157	fault_if_from_uspace(istate, "%s\n", __func__);
159	dump_istate(istate);	158	dump_istate(istate);
160	describe_mmu_fault();	159	describe_mmu_fault();
161	panic("%s\n", __func__);	160	panic("%s\n", __func__);
162	}	161	}
163		162
164	/** Handle data_access_error. (0x32) */	163	/** Handle data_access_error. (0x32) */
165	void data_access_error(int n, istate_t *istate)	164	void data_access_error(int n, istate_t *istate)
166	{	165	{
167	fault_if_from_uspace(istate, "%s\n", __func__);	166	fault_if_from_uspace(istate, "%s\n", __func__);
168	dump_istate(istate);	167	dump_istate(istate);
169	panic("%s\n", __func__);	168	panic("%s\n", __func__);
170	}	169	}
171		170
172	/** Handle mem_address_not_aligned. (0x34) */	171	/** Handle mem_address_not_aligned. (0x34) */
173	void mem_address_not_aligned(int n, istate_t *istate)	172	void mem_address_not_aligned(int n, istate_t *istate)
174	{	173	{
175	fault_if_from_uspace(istate, "%s\n", __func__);	174	fault_if_from_uspace(istate, "%s\n", __func__);
176	dump_istate(istate);	175	dump_istate(istate);
177	panic("%s\n", __func__);	176	panic("%s\n", __func__);
178	}	177	}
179		178
180	/** Handle LDDF_mem_address_not_aligned. (0x35) */	179	/** Handle LDDF_mem_address_not_aligned. (0x35) */
181	void LDDF_mem_address_not_aligned(int n, istate_t *istate)	180	void LDDF_mem_address_not_aligned(int n, istate_t *istate)
182	{	181	{
183	fault_if_from_uspace(istate, "%s\n", __func__);	182	fault_if_from_uspace(istate, "%s\n", __func__);
184	dump_istate(istate);	183	dump_istate(istate);
185	panic("%s\n", __func__);	184	panic("%s\n", __func__);
186	}	185	}
187		186
188	/** Handle STDF_mem_address_not_aligned. (0x36) */	187	/** Handle STDF_mem_address_not_aligned. (0x36) */
189	void STDF_mem_address_not_aligned(int n, istate_t *istate)	188	void STDF_mem_address_not_aligned(int n, istate_t *istate)
190	{	189	{
191	fault_if_from_uspace(istate, "%s\n", __func__);	190	fault_if_from_uspace(istate, "%s\n", __func__);
192	dump_istate(istate);	191	dump_istate(istate);
193	panic("%s\n", __func__);	192	panic("%s\n", __func__);
194	}	193	}
195		194
196	/** Handle privileged_action. (0x37) */	195	/** Handle privileged_action. (0x37) */
197	void privileged_action(int n, istate_t *istate)	196	void privileged_action(int n, istate_t *istate)
198	{	197	{
199	fault_if_from_uspace(istate, "%s\n", __func__);	198	fault_if_from_uspace(istate, "%s\n", __func__);
200	dump_istate(istate);	199	dump_istate(istate);
201	panic("%s\n", __func__);	200	panic("%s\n", __func__);
202	}	201	}
203		202
204	/** Handle LDQF_mem_address_not_aligned. (0x38) */	203	/** Handle LDQF_mem_address_not_aligned. (0x38) */
205	void LDQF_mem_address_not_aligned(int n, istate_t *istate)	204	void LDQF_mem_address_not_aligned(int n, istate_t *istate)
206	{	205	{
207	fault_if_from_uspace(istate, "%s\n", __func__);	206	fault_if_from_uspace(istate, "%s\n", __func__);
208	dump_istate(istate);	207	dump_istate(istate);
209	panic("%s\n", __func__);	208	panic("%s\n", __func__);
210	}	209	}
211		210
212	/** Handle STQF_mem_address_not_aligned. (0x39) */	211	/** Handle STQF_mem_address_not_aligned. (0x39) */
213	void STQF_mem_address_not_aligned(int n, istate_t *istate)	212	void STQF_mem_address_not_aligned(int n, istate_t *istate)
214	{	213	{
215	fault_if_from_uspace(istate, "%s\n", __func__);	214	fault_if_from_uspace(istate, "%s\n", __func__);
216	dump_istate(istate);	215	dump_istate(istate);
217	panic("%s\n", __func__);	216	panic("%s\n", __func__);
218	}	217	}
219		218
220	/** @}	219	/** @}
221	*/	220	*/
222		221

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(root)/branches/sparc/kernel/arch/sparc64/src/trap/exception.c – Rev 3770 → 3862