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/interrupt.h>
#include <interrupt.h>
#include <arch/asm.h>
#include <arch/register.h>
#include <debug.h>
#include <typedefs.h>
#include <symtab.h>
#include <print.h>
 
void dump_istate(istate_t *istate)
{
    printf("TSTATE=%#llx\n", istate->tstate);
    printf("TPC=%#llx (%s)\n", istate->tpc, get_symtab_entry(istate->tpc));
    printf("TNPC=%#llx (%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", __FUNCTION__);
    dump_istate(istate);
    panic("%s\n", __FUNCTION__);
}
 
/** Handle instruction_access_error. (0xa) */
void instruction_access_error(int n, istate_t *istate)
{
    fault_if_from_uspace(istate, "%s\n", __FUNCTION__);
    dump_istate(istate);
    panic("%s\n", __FUNCTION__);
}
 
/** Handle illegal_instruction. (0x10) */
void illegal_instruction(int n, istate_t *istate)
{
    fault_if_from_uspace(istate, "%s\n", __FUNCTION__);
    dump_istate(istate);
    panic("%s\n", __FUNCTION__);
}
 
/** Handle privileged_opcode. (0x11) */
void privileged_opcode(int n, istate_t *istate)
{
    fault_if_from_uspace(istate, "%s\n", __FUNCTION__);
    dump_istate(istate);
    panic("%s\n", __FUNCTION__);
}
 
/** 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", __FUNCTION__);
    dump_istate(istate);
    panic("%s\n", __FUNCTION__);
#endif
}
 
/** Handle division_by_zero. (0x28) */
void division_by_zero(int n, istate_t *istate)
{
    fault_if_from_uspace(istate, "%s\n", __FUNCTION__);
    dump_istate(istate);
    panic("%s\n", __FUNCTION__);
}
 
/** Handle data_access_exception. (0x30) */
void data_access_exception(int n, istate_t *istate)
{
    fault_if_from_uspace(istate, "%s\n", __FUNCTION__);
    dump_istate(istate);
    panic("%s\n", __FUNCTION__);
}
 
/** Handle data_access_error. (0x32) */
void data_access_error(int n, istate_t *istate)
{
    fault_if_from_uspace(istate, "%s\n", __FUNCTION__);
    dump_istate(istate);
    panic("%s\n", __FUNCTION__);
}
 
/** Handle mem_address_not_aligned. (0x34) */
void mem_address_not_aligned(int n, istate_t *istate)
{
    fault_if_from_uspace(istate, "%s\n", __FUNCTION__);
    dump_istate(istate);
    panic("%s\n", __FUNCTION__);
}
 
/** Handle privileged_action. (0x37) */
void privileged_action(int n, istate_t *istate)
{
    fault_if_from_uspace(istate, "%s\n", __FUNCTION__);
    dump_istate(istate);
    panic("%s\n", __FUNCTION__);
}
 
/** @}
 */
 

Rev 1880	Rev 1882
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/interrupt.h>	37	#include <arch/interrupt.h>
38	#include <interrupt.h>	38	#include <interrupt.h>
39	#include <arch/asm.h>	39	#include <arch/asm.h>
-		40	#include <arch/register.h>
40	#include <debug.h>	41	#include <debug.h>
41	#include <typedefs.h>	42	#include <typedefs.h>
42	#include <symtab.h>	43	#include <symtab.h>
43	#include <print.h>	44	#include <print.h>
44		45
45	void dump_istate(istate_t *istate)	46	void dump_istate(istate_t *istate)
46	{	47	{
47	printf("TSTATE=%#llx\n", istate->tstate);	48	printf("TSTATE=%#llx\n", istate->tstate);
48	printf("TPC=%#llx (%s)\n", istate->tpc, get_symtab_entry(istate->tpc));	49	printf("TPC=%#llx (%s)\n", istate->tpc, get_symtab_entry(istate->tpc));
49	printf("TNPC=%#llx (%s)\n", istate->tnpc, get_symtab_entry(istate->tnpc));	50	printf("TNPC=%#llx (%s)\n", istate->tnpc, get_symtab_entry(istate->tnpc));
50	}	51	}
51		52
52	/** Handle instruction_access_exception. (0x8) */	53	/** Handle instruction_access_exception. (0x8) */
53	void instruction_access_exception(int n, istate_t *istate)	54	void instruction_access_exception(int n, istate_t *istate)
54	{	55	{
55	fault_if_from_uspace(istate, "%s\n", __FUNCTION__);	56	fault_if_from_uspace(istate, "%s\n", __FUNCTION__);
56	dump_istate(istate);	57	dump_istate(istate);
57	panic("%s\n", __FUNCTION__);	58	panic("%s\n", __FUNCTION__);
58	}	59	}
59		60
60	/** Handle instruction_access_error. (0xa) */	61	/** Handle instruction_access_error. (0xa) */
61	void instruction_access_error(int n, istate_t *istate)	62	void instruction_access_error(int n, istate_t *istate)
62	{	63	{
63	fault_if_from_uspace(istate, "%s\n", __FUNCTION__);	64	fault_if_from_uspace(istate, "%s\n", __FUNCTION__);
64	dump_istate(istate);	65	dump_istate(istate);
65	panic("%s\n", __FUNCTION__);	66	panic("%s\n", __FUNCTION__);
66	}	67	}
67		68
68	/** Handle illegal_instruction. (0x10) */	69	/** Handle illegal_instruction. (0x10) */
69	void illegal_instruction(int n, istate_t *istate)	70	void illegal_instruction(int n, istate_t *istate)
70	{	71	{
71	fault_if_from_uspace(istate, "%s\n", __FUNCTION__);	72	fault_if_from_uspace(istate, "%s\n", __FUNCTION__);
72	dump_istate(istate);	73	dump_istate(istate);
73	panic("%s\n", __FUNCTION__);	74	panic("%s\n", __FUNCTION__);
74	}	75	}
75		76
76	/** Handle privileged_opcode. (0x11) */	77	/** Handle privileged_opcode. (0x11) */
77	void privileged_opcode(int n, istate_t *istate)	78	void privileged_opcode(int n, istate_t *istate)
78	{	79	{
79	fault_if_from_uspace(istate, "%s\n", __FUNCTION__);	80	fault_if_from_uspace(istate, "%s\n", __FUNCTION__);
80	dump_istate(istate);	81	dump_istate(istate);
81	panic("%s\n", __FUNCTION__);	82	panic("%s\n", __FUNCTION__);
82	}	83	}
-		84
-		85	/** Handle fp_disabled. (0x20) */
-		86	void fp_disabled(int n, istate_t *istate)
-		87	{
-		88	fprs_reg_t fprs;
-		89
-		90	fprs.value = fprs_read();
-		91	if (!fprs.fef) {
-		92	fprs.fef = true;
-		93	fprs_write(fprs.value);
-		94	return;
-		95	}
-		96
-		97	#ifdef CONFIG_FPU_LAZY
-		98	scheduler_fpu_lazy_request();
-		99	#else
-		100	fault_if_from_uspace(istate, "%s\n", __FUNCTION__);
-		101	dump_istate(istate);
-		102	panic("%s\n", __FUNCTION__);
-		103	#endif
-		104	}
83		105
84	/** Handle division_by_zero. (0x28) */	106	/** Handle division_by_zero. (0x28) */
85	void division_by_zero(int n, istate_t *istate)	107	void division_by_zero(int n, istate_t *istate)
86	{	108	{
87	fault_if_from_uspace(istate, "%s\n", __FUNCTION__);	109	fault_if_from_uspace(istate, "%s\n", __FUNCTION__);
88	dump_istate(istate);	110	dump_istate(istate);
89	panic("%s\n", __FUNCTION__);	111	panic("%s\n", __FUNCTION__);
90	}	112	}
91		113
92	/** Handle data_access_exception. (0x30) */	114	/** Handle data_access_exception. (0x30) */
93	void data_access_exception(int n, istate_t *istate)	115	void data_access_exception(int n, istate_t *istate)
94	{	116	{
95	fault_if_from_uspace(istate, "%s\n", __FUNCTION__);	117	fault_if_from_uspace(istate, "%s\n", __FUNCTION__);
96	dump_istate(istate);	118	dump_istate(istate);
97	panic("%s\n", __FUNCTION__);	119	panic("%s\n", __FUNCTION__);
98	}	120	}
99		121
100	/** Handle data_access_error. (0x32) */	122	/** Handle data_access_error. (0x32) */
101	void data_access_error(int n, istate_t *istate)	123	void data_access_error(int n, istate_t *istate)
102	{	124	{
103	fault_if_from_uspace(istate, "%s\n", __FUNCTION__);	125	fault_if_from_uspace(istate, "%s\n", __FUNCTION__);
104	dump_istate(istate);	126	dump_istate(istate);
105	panic("%s\n", __FUNCTION__);	127	panic("%s\n", __FUNCTION__);
106	}	128	}
107		129
108	/** Handle mem_address_not_aligned. (0x34) */	130	/** Handle mem_address_not_aligned. (0x34) */
109	void mem_address_not_aligned(int n, istate_t *istate)	131	void mem_address_not_aligned(int n, istate_t *istate)
110	{	132	{
111	fault_if_from_uspace(istate, "%s\n", __FUNCTION__);	133	fault_if_from_uspace(istate, "%s\n", __FUNCTION__);
112	dump_istate(istate);	134	dump_istate(istate);
113	panic("%s\n", __FUNCTION__);	135	panic("%s\n", __FUNCTION__);
114	}	136	}
115		137
116	/** Handle privileged_action. (0x37) */	138	/** Handle privileged_action. (0x37) */
117	void privileged_action(int n, istate_t *istate)	139	void privileged_action(int n, istate_t *istate)
118	{	140	{
119	fault_if_from_uspace(istate, "%s\n", __FUNCTION__);	141	fault_if_from_uspace(istate, "%s\n", __FUNCTION__);
120	dump_istate(istate);	142	dump_istate(istate);
121	panic("%s\n", __FUNCTION__);	143	panic("%s\n", __FUNCTION__);
122	}	144	}
123		145
124	/** @}	146	/** @}
125	*/	147	*/
126		148

Subversion Repositories HelenOS

(root)/trunk/kernel/arch/sparc64/src/trap/exception.c – Rev 1880 → 1882