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 <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);
    dump_sfsr_and_sfar();
    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 2462	Rev 3071
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>	43	#include <symtab.h>
44	#include <print.h>	44	#include <print.h>
45		45
46	void dump_istate(istate_t *istate)	46	void dump_istate(istate_t *istate)
47	{	47	{
48	printf("TSTATE=%#llx\n", istate->tstate);	48	printf("TSTATE=%#" PRIx64 "\n", istate->tstate);
49	printf("TPC=%#llx (%s)\n", istate->tpc, get_symtab_entry(istate->tpc));	49	printf("TPC=%#" PRIx64 " (%s)\n", istate->tpc, get_symtab_entry(istate->tpc));
50	printf("TNPC=%#llx (%s)\n", istate->tnpc, get_symtab_entry(istate->tnpc));	50	printf("TNPC=%#" PRIx64 " (%s)\n", istate->tnpc, get_symtab_entry(istate->tnpc));
51	}	51	}
52		52
53	/** Handle instruction_access_exception. (0x8) */	53	/** Handle instruction_access_exception. (0x8) */
54	void instruction_access_exception(int n, istate_t *istate)	54	void instruction_access_exception(int n, istate_t *istate)
55	{	55	{
56	fault_if_from_uspace(istate, "%s\n", __func__);	56	fault_if_from_uspace(istate, "%s\n", __func__);
57	dump_istate(istate);	57	dump_istate(istate);
58	panic("%s\n", __func__);	58	panic("%s\n", __func__);
59	}	59	}
60		60
61	/** Handle instruction_access_error. (0xa) */	61	/** Handle instruction_access_error. (0xa) */
62	void instruction_access_error(int n, istate_t *istate)	62	void instruction_access_error(int n, istate_t *istate)
63	{	63	{
64	fault_if_from_uspace(istate, "%s\n", __func__);	64	fault_if_from_uspace(istate, "%s\n", __func__);
65	dump_istate(istate);	65	dump_istate(istate);
66	panic("%s\n", __func__);	66	panic("%s\n", __func__);
67	}	67	}
68		68
69	/** Handle illegal_instruction. (0x10) */	69	/** Handle illegal_instruction. (0x10) */
70	void illegal_instruction(int n, istate_t *istate)	70	void illegal_instruction(int n, istate_t *istate)
71	{	71	{
72	fault_if_from_uspace(istate, "%s\n", __func__);	72	fault_if_from_uspace(istate, "%s\n", __func__);
73	dump_istate(istate);	73	dump_istate(istate);
74	panic("%s\n", __func__);	74	panic("%s\n", __func__);
75	}	75	}
76		76
77	/** Handle privileged_opcode. (0x11) */	77	/** Handle privileged_opcode. (0x11) */
78	void privileged_opcode(int n, istate_t *istate)	78	void privileged_opcode(int n, istate_t *istate)
79	{	79	{
80	fault_if_from_uspace(istate, "%s\n", __func__);	80	fault_if_from_uspace(istate, "%s\n", __func__);
81	dump_istate(istate);	81	dump_istate(istate);
82	panic("%s\n", __func__);	82	panic("%s\n", __func__);
83	}	83	}
84		84
85	/** Handle unimplemented_LDD. (0x12) */	85	/** Handle unimplemented_LDD. (0x12) */
86	void unimplemented_LDD(int n, istate_t *istate)	86	void unimplemented_LDD(int n, istate_t *istate)
87	{	87	{
88	fault_if_from_uspace(istate, "%s\n", __func__);	88	fault_if_from_uspace(istate, "%s\n", __func__);
89	dump_istate(istate);	89	dump_istate(istate);
90	panic("%s\n", __func__);	90	panic("%s\n", __func__);
91	}	91	}
92		92
93	/** Handle unimplemented_STD. (0x13) */	93	/** Handle unimplemented_STD. (0x13) */
94	void unimplemented_STD(int n, istate_t *istate)	94	void unimplemented_STD(int n, istate_t *istate)
95	{	95	{
96	fault_if_from_uspace(istate, "%s\n", __func__);	96	fault_if_from_uspace(istate, "%s\n", __func__);
97	dump_istate(istate);	97	dump_istate(istate);
98	panic("%s\n", __func__);	98	panic("%s\n", __func__);
99	}	99	}
100		100
101	/** Handle fp_disabled. (0x20) */	101	/** Handle fp_disabled. (0x20) */
102	void fp_disabled(int n, istate_t *istate)	102	void fp_disabled(int n, istate_t *istate)
103	{	103	{
104	fprs_reg_t fprs;	104	fprs_reg_t fprs;
105		105
106	fprs.value = fprs_read();	106	fprs.value = fprs_read();
107	if (!fprs.fef) {	107	if (!fprs.fef) {
108	fprs.fef = true;	108	fprs.fef = true;
109	fprs_write(fprs.value);	109	fprs_write(fprs.value);
110	return;	110	return;
111	}	111	}
112		112
113	#ifdef CONFIG_FPU_LAZY	113	#ifdef CONFIG_FPU_LAZY
114	scheduler_fpu_lazy_request();	114	scheduler_fpu_lazy_request();
115	#else	115	#else
116	fault_if_from_uspace(istate, "%s\n", __func__);	116	fault_if_from_uspace(istate, "%s\n", __func__);
117	dump_istate(istate);	117	dump_istate(istate);
118	panic("%s\n", __func__);	118	panic("%s\n", __func__);
119	#endif	119	#endif
120	}	120	}
121		121
122	/** Handle fp_exception_ieee_754. (0x21) */	122	/** Handle fp_exception_ieee_754. (0x21) */
123	void fp_exception_ieee_754(int n, istate_t *istate)	123	void fp_exception_ieee_754(int n, istate_t *istate)
124	{	124	{
125	fault_if_from_uspace(istate, "%s\n", __func__);	125	fault_if_from_uspace(istate, "%s\n", __func__);
126	dump_istate(istate);	126	dump_istate(istate);
127	panic("%s\n", __func__);	127	panic("%s\n", __func__);
128	}	128	}
129		129
130	/** Handle fp_exception_other. (0x22) */	130	/** Handle fp_exception_other. (0x22) */
131	void fp_exception_other(int n, istate_t *istate)	131	void fp_exception_other(int n, istate_t *istate)
132	{	132	{
133	fault_if_from_uspace(istate, "%s\n", __func__);	133	fault_if_from_uspace(istate, "%s\n", __func__);
134	dump_istate(istate);	134	dump_istate(istate);
135	panic("%s\n", __func__);	135	panic("%s\n", __func__);
136	}	136	}
137		137
138	/** Handle tag_overflow. (0x23) */	138	/** Handle tag_overflow. (0x23) */
139	void tag_overflow(int n, istate_t *istate)	139	void tag_overflow(int n, istate_t *istate)
140	{	140	{
141	fault_if_from_uspace(istate, "%s\n", __func__);	141	fault_if_from_uspace(istate, "%s\n", __func__);
142	dump_istate(istate);	142	dump_istate(istate);
143	panic("%s\n", __func__);	143	panic("%s\n", __func__);
144	}	144	}
145		145
146	/** Handle division_by_zero. (0x28) */	146	/** Handle division_by_zero. (0x28) */
147	void division_by_zero(int n, istate_t *istate)	147	void division_by_zero(int n, istate_t *istate)
148	{	148	{
149	fault_if_from_uspace(istate, "%s\n", __func__);	149	fault_if_from_uspace(istate, "%s\n", __func__);
150	dump_istate(istate);	150	dump_istate(istate);
151	panic("%s\n", __func__);	151	panic("%s\n", __func__);
152	}	152	}
153		153
154	/** Handle data_access_exception. (0x30) */	154	/** Handle data_access_exception. (0x30) */
155	void data_access_exception(int n, istate_t *istate)	155	void data_access_exception(int n, istate_t *istate)
156	{	156	{
157	fault_if_from_uspace(istate, "%s\n", __func__);	157	fault_if_from_uspace(istate, "%s\n", __func__);
158	dump_istate(istate);	158	dump_istate(istate);
159	dump_sfsr_and_sfar();	159	dump_sfsr_and_sfar();
160	panic("%s\n", __func__);	160	panic("%s\n", __func__);
161	}	161	}
162		162
163	/** Handle data_access_error. (0x32) */	163	/** Handle data_access_error. (0x32) */
164	void data_access_error(int n, istate_t *istate)	164	void data_access_error(int n, istate_t *istate)
165	{	165	{
166	fault_if_from_uspace(istate, "%s\n", __func__);	166	fault_if_from_uspace(istate, "%s\n", __func__);
167	dump_istate(istate);	167	dump_istate(istate);
168	panic("%s\n", __func__);	168	panic("%s\n", __func__);
169	}	169	}
170		170
171	/** Handle mem_address_not_aligned. (0x34) */	171	/** Handle mem_address_not_aligned. (0x34) */
172	void mem_address_not_aligned(int n, istate_t *istate)	172	void mem_address_not_aligned(int n, istate_t *istate)
173	{	173	{
174	fault_if_from_uspace(istate, "%s\n", __func__);	174	fault_if_from_uspace(istate, "%s\n", __func__);
175	dump_istate(istate);	175	dump_istate(istate);
176	panic("%s\n", __func__);	176	panic("%s\n", __func__);
177	}	177	}
178		178
179	/** Handle LDDF_mem_address_not_aligned. (0x35) */	179	/** Handle LDDF_mem_address_not_aligned. (0x35) */
180	void LDDF_mem_address_not_aligned(int n, istate_t *istate)	180	void LDDF_mem_address_not_aligned(int n, istate_t *istate)
181	{	181	{
182	fault_if_from_uspace(istate, "%s\n", __func__);	182	fault_if_from_uspace(istate, "%s\n", __func__);
183	dump_istate(istate);	183	dump_istate(istate);
184	panic("%s\n", __func__);	184	panic("%s\n", __func__);
185	}	185	}
186		186
187	/** Handle STDF_mem_address_not_aligned. (0x36) */	187	/** Handle STDF_mem_address_not_aligned. (0x36) */
188	void STDF_mem_address_not_aligned(int n, istate_t *istate)	188	void STDF_mem_address_not_aligned(int n, istate_t *istate)
189	{	189	{
190	fault_if_from_uspace(istate, "%s\n", __func__);	190	fault_if_from_uspace(istate, "%s\n", __func__);
191	dump_istate(istate);	191	dump_istate(istate);
192	panic("%s\n", __func__);	192	panic("%s\n", __func__);
193	}	193	}
194		194
195	/** Handle privileged_action. (0x37) */	195	/** Handle privileged_action. (0x37) */
196	void privileged_action(int n, istate_t *istate)	196	void privileged_action(int n, istate_t *istate)
197	{	197	{
198	fault_if_from_uspace(istate, "%s\n", __func__);	198	fault_if_from_uspace(istate, "%s\n", __func__);
199	dump_istate(istate);	199	dump_istate(istate);
200	panic("%s\n", __func__);	200	panic("%s\n", __func__);
201	}	201	}
202		202
203	/** Handle LDQF_mem_address_not_aligned. (0x38) */	203	/** Handle LDQF_mem_address_not_aligned. (0x38) */
204	void LDQF_mem_address_not_aligned(int n, istate_t *istate)	204	void LDQF_mem_address_not_aligned(int n, istate_t *istate)
205	{	205	{
206	fault_if_from_uspace(istate, "%s\n", __func__);	206	fault_if_from_uspace(istate, "%s\n", __func__);
207	dump_istate(istate);	207	dump_istate(istate);
208	panic("%s\n", __func__);	208	panic("%s\n", __func__);
209	}	209	}
210		210
211	/** Handle STQF_mem_address_not_aligned. (0x39) */	211	/** Handle STQF_mem_address_not_aligned. (0x39) */
212	void STQF_mem_address_not_aligned(int n, istate_t *istate)	212	void STQF_mem_address_not_aligned(int n, istate_t *istate)
213	{	213	{
214	fault_if_from_uspace(istate, "%s\n", __func__);	214	fault_if_from_uspace(istate, "%s\n", __func__);
215	dump_istate(istate);	215	dump_istate(istate);
216	panic("%s\n", __func__);	216	panic("%s\n", __func__);
217	}	217	}
218		218
219	/** @}	219	/** @}
220	*/	220	*/
221		221

Subversion Repositories HelenOS

(root)/trunk/kernel/arch/sparc64/src/trap/exception.c – Rev 2462 → 3071