WebSVN – HelenOS-historic – Diff – /kernel/trunk/arch/ia32/src/interrupt.c


/*
 * Copyright (C) 2001-2004 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.
 */
 
#include <arch/interrupt.h>
#include <syscall/syscall.h>
#include <print.h>
#include <debug.h>
#include <panic.h>
#include <arch/i8259.h>
#include <func.h>
#include <cpu.h>
#include <arch/asm.h>
#include <mm/tlb.h>
#include <mm/as.h>
#include <arch.h>
#include <symtab.h>
#include <proc/thread.h>
 
/*
 * Interrupt and exception dispatching.
 */
 
void (* disable_irqs_function)(__u16 irqmask) = NULL;
void (* enable_irqs_function)(__u16 irqmask) = NULL;
void (* eoi_function)(void) = NULL;
 
static void PRINT_INFO_ERRCODE(istate_t *istate)
{
    char *symbol = get_symtab_entry(istate->eip);
 
    if (!symbol)
        symbol = "";
 
    if (CPU)
        printf("----------------EXCEPTION OCCURED (cpu%d)----------------\n", CPU->id);
    else
        printf("----------------EXCEPTION OCCURED----------------\n");
       
    printf("%%eip: %X (%s)\n",istate->eip,symbol);
    printf("ERROR_WORD=%X\n", istate->error_word);
    printf("%%cs=%X,flags=%X\n", istate->cs, istate->eflags);
    printf("%%eax=%X, %%ebx=%X, %%ecx=%X, %%edx=%X\n",  istate->eax,istate->ebx,istate->ecx,istate->edx);
    printf("%%esi=%X, %%edi=%X, %%ebp=%X, %%esp=%X\n",  istate->esi,istate->edi,istate->ebp,istate->esp);
    printf("stack: %X, %X, %X, %X\n", istate->stack[0], istate->stack[1], istate->stack[2], istate->stack[3]);
    printf("       %X, %X, %X, %X\n", istate->stack[4], istate->stack[5], istate->stack[6], istate->stack[7]);
}
 
void null_interrupt(int n, istate_t *istate)
{
    PRINT_INFO_ERRCODE(istate);
    panic("unserviced interrupt: %d\n", n);
}
 
void gp_fault(int n, istate_t *istate)
{
    PRINT_INFO_ERRCODE(istate);
    panic("general protection fault\n");
}
 
void ss_fault(int n, istate_t *istate)
{
    PRINT_INFO_ERRCODE(istate);
    panic("stack fault\n");
}
 
void simd_fp_exception(int n, istate_t *istate)
{
 
    PRINT_INFO_ERRCODE(istate);
    __u32 mxcsr;
    asm
    (
        "stmxcsr %0;\n"
        :"=m"(mxcsr)
    );
    printf("MXCSR: %X\n",(__native)(mxcsr));
    panic("SIMD FP exception(19)\n");
}
 
void nm_fault(int n, istate_t *istate)
{
#ifdef CONFIG_FPU_LAZY     
    scheduler_fpu_lazy_request();
#else
    panic("fpu fault");
#endif
}
 
void page_fault(int n, istate_t *istate)
{
    __address page;
 
    page = read_cr2();
    if (!as_page_fault(page)) {
        PRINT_INFO_ERRCODE(istate);
        printf("page fault address: %X\n", page);
        panic("page fault\n");
    }
}
 
void syscall(int n, istate_t *istate)
{
    interrupts_enable();
    if (istate->esi < SYSCALL_END)
        istate->eax = syscall_table[istate->esi](istate->eax, istate->ebx, istate->ecx, istate->edx);
    else
        panic("Undefined syscall %d", istate->esi);
    interrupts_disable();
}
 
void tlb_shootdown_ipi(int n, istate_t *istate)
{
    trap_virtual_eoi();
    tlb_shootdown_ipi_recv();
}
 
void trap_virtual_enable_irqs(__u16 irqmask)
{
    if (enable_irqs_function)
        enable_irqs_function(irqmask);
    else
        panic("no enable_irqs_function\n");
}
 
void trap_virtual_disable_irqs(__u16 irqmask)
{
    if (disable_irqs_function)
        disable_irqs_function(irqmask);
    else
        panic("no disable_irqs_function\n");
}
 
void trap_virtual_eoi(void)
{
    if (eoi_function)
        eoi_function();
    else
        panic("no eoi_function\n");
 
}
 

Rev 1008	Rev 1019
1	/*	1	/*
2	* Copyright (C) 2001-2004 Jakub Jermar	2	* Copyright (C) 2001-2004 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	#include <arch/interrupt.h>	29	#include <arch/interrupt.h>
30	#include <syscall/syscall.h>	30	#include <syscall/syscall.h>
31	#include <print.h>	31	#include <print.h>
32	#include <debug.h>	32	#include <debug.h>
33	#include <panic.h>	33	#include <panic.h>
34	#include <arch/i8259.h>	34	#include <arch/i8259.h>
35	#include <func.h>	35	#include <func.h>
36	#include <cpu.h>	36	#include <cpu.h>
37	#include <arch/asm.h>	37	#include <arch/asm.h>
38	#include <mm/tlb.h>	38	#include <mm/tlb.h>
39	#include <mm/as.h>	39	#include <mm/as.h>
40	#include <arch.h>	40	#include <arch.h>
41	#include <symtab.h>	41	#include <symtab.h>
42	#include <proc/thread.h>	42	#include <proc/thread.h>
43		43
44	/*	44	/*
45	* Interrupt and exception dispatching.	45	* Interrupt and exception dispatching.
46	*/	46	*/
47		47
48	void (* disable_irqs_function)(__u16 irqmask) = NULL;	48	void (* disable_irqs_function)(__u16 irqmask) = NULL;
49	void (* enable_irqs_function)(__u16 irqmask) = NULL;	49	void (* enable_irqs_function)(__u16 irqmask) = NULL;
50	void (* eoi_function)(void) = NULL;	50	void (* eoi_function)(void) = NULL;
51		51
52	static void PRINT_INFO_ERRCODE(istate_t *istate)	52	static void PRINT_INFO_ERRCODE(istate_t *istate)
53	{	53	{
54	char *symbol = get_symtab_entry(istate->eip);	54	char *symbol = get_symtab_entry(istate->eip);
55		55
56	if (!symbol)	56	if (!symbol)
57	symbol = "";	57	symbol = "";
58		58
59	if (CPU)	59	if (CPU)
60	printf("----------------EXCEPTION OCCURED (cpu%d)----------------\n", CPU->id);	60	printf("----------------EXCEPTION OCCURED (cpu%d)----------------\n", CPU->id);
61	else	61	else
62	printf("----------------EXCEPTION OCCURED----------------\n");	62	printf("----------------EXCEPTION OCCURED----------------\n");
63		63
64	printf("%%eip: %X (%s)\n",istate->eip,symbol);	64	printf("%%eip: %X (%s)\n",istate->eip,symbol);
65	printf("ERROR_WORD=%X\n", istate->error_word);	65	printf("ERROR_WORD=%X\n", istate->error_word);
66	printf("%%cs=%X,flags=%X\n", istate->cs, istate->eflags);	66	printf("%%cs=%X,flags=%X\n", istate->cs, istate->eflags);
67	printf("%%eax=%X, %%ebx=%X, %%ecx=%X, %%edx=%X\n", istate->eax,istate->ebx,istate->ecx,istate->edx);	67	printf("%%eax=%X, %%ebx=%X, %%ecx=%X, %%edx=%X\n", istate->eax,istate->ebx,istate->ecx,istate->edx);
68	printf("%%esi=%X, %%edi=%X, %%ebp=%X, %%esp=%X\n", istate->esi,istate->edi,istate->ebp,istate->esp);	68	printf("%%esi=%X, %%edi=%X, %%ebp=%X, %%esp=%X\n", istate->esi,istate->edi,istate->ebp,istate->esp);
69	printf("stack: %X, %X, %X, %X\n", istate->stack[0], istate->stack[1], istate->stack[2], istate->stack[3]);	69	printf("stack: %X, %X, %X, %X\n", istate->stack[0], istate->stack[1], istate->stack[2], istate->stack[3]);
70	printf(" %X, %X, %X, %X\n", istate->stack[4], istate->stack[5], istate->stack[6], istate->stack[7]);	70	printf(" %X, %X, %X, %X\n", istate->stack[4], istate->stack[5], istate->stack[6], istate->stack[7]);
71	}	71	}
72		72
73	void null_interrupt(int n, istate_t *istate)	73	void null_interrupt(int n, istate_t *istate)
74	{	74	{
75	PRINT_INFO_ERRCODE(istate);	75	PRINT_INFO_ERRCODE(istate);
76	panic("unserviced interrupt: %d\n", n);	76	panic("unserviced interrupt: %d\n", n);
77	}	77	}
78		78
79	void gp_fault(int n, istate_t *istate)	79	void gp_fault(int n, istate_t *istate)
80	{	80	{
81	PRINT_INFO_ERRCODE(istate);	81	PRINT_INFO_ERRCODE(istate);
82	panic("general protection fault\n");	82	panic("general protection fault\n");
83	}	83	}
84		84
85	void ss_fault(int n, istate_t *istate)	85	void ss_fault(int n, istate_t *istate)
86	{	86	{
87	PRINT_INFO_ERRCODE(istate);	87	PRINT_INFO_ERRCODE(istate);
88	panic("stack fault\n");	88	panic("stack fault\n");
89	}	89	}
90		90
-		91	void simd_fp_exception(int n, istate_t *istate)
-		92	{
-		93
-		94	PRINT_INFO_ERRCODE(istate);
-		95	__u32 mxcsr;
-		96	asm
-		97	(
-		98	"stmxcsr %0;\n"
-		99	:"=m"(mxcsr)
-		100	);
-		101	printf("MXCSR: %X\n",(__native)(mxcsr));
-		102	panic("SIMD FP exception(19)\n");
-		103	}
-		104
91	void nm_fault(int n, istate_t *istate)	105	void nm_fault(int n, istate_t *istate)
92	{	106	{
93	#ifdef CONFIG_FPU_LAZY	107	#ifdef CONFIG_FPU_LAZY
94	scheduler_fpu_lazy_request();	108	scheduler_fpu_lazy_request();
95	#else	109	#else
96	panic("fpu fault");	110	panic("fpu fault");
97	#endif	111	#endif
98	}	112	}
99		113
100	void page_fault(int n, istate_t *istate)	114	void page_fault(int n, istate_t *istate)
101	{	115	{
102	__address page;	116	__address page;
103		117
104	page = read_cr2();	118	page = read_cr2();
105	if (!as_page_fault(page)) {	119	if (!as_page_fault(page)) {
106	PRINT_INFO_ERRCODE(istate);	120	PRINT_INFO_ERRCODE(istate);
107	printf("page fault address: %X\n", page);	121	printf("page fault address: %X\n", page);
108	panic("page fault\n");	122	panic("page fault\n");
109	}	123	}
110	}	124	}
111		125
112	void syscall(int n, istate_t *istate)	126	void syscall(int n, istate_t *istate)
113	{	127	{
114	interrupts_enable();	128	interrupts_enable();
115	if (istate->esi < SYSCALL_END)	129	if (istate->esi < SYSCALL_END)
116	istate->eax = syscall_table[istate->esi](istate->eax, istate->ebx, istate->ecx, istate->edx);	130	istate->eax = syscall_table[istate->esi](istate->eax, istate->ebx, istate->ecx, istate->edx);
117	else	131	else
118	panic("Undefined syscall %d", istate->esi);	132	panic("Undefined syscall %d", istate->esi);
119	interrupts_disable();	133	interrupts_disable();
120	}	134	}
121		135
122	void tlb_shootdown_ipi(int n, istate_t *istate)	136	void tlb_shootdown_ipi(int n, istate_t *istate)
123	{	137	{
124	trap_virtual_eoi();	138	trap_virtual_eoi();
125	tlb_shootdown_ipi_recv();	139	tlb_shootdown_ipi_recv();
126	}	140	}
127		141
128	void trap_virtual_enable_irqs(__u16 irqmask)	142	void trap_virtual_enable_irqs(__u16 irqmask)
129	{	143	{
130	if (enable_irqs_function)	144	if (enable_irqs_function)
131	enable_irqs_function(irqmask);	145	enable_irqs_function(irqmask);
132	else	146	else
133	panic("no enable_irqs_function\n");	147	panic("no enable_irqs_function\n");
134	}	148	}
135		149
136	void trap_virtual_disable_irqs(__u16 irqmask)	150	void trap_virtual_disable_irqs(__u16 irqmask)
137	{	151	{
138	if (disable_irqs_function)	152	if (disable_irqs_function)
139	disable_irqs_function(irqmask);	153	disable_irqs_function(irqmask);
140	else	154	else
141	panic("no disable_irqs_function\n");	155	panic("no disable_irqs_function\n");
142	}	156	}
143		157
144	void trap_virtual_eoi(void)	158	void trap_virtual_eoi(void)
145	{	159	{
146	if (eoi_function)	160	if (eoi_function)
147	eoi_function();	161	eoi_function();
148	else	162	else
149	panic("no eoi_function\n");	163	panic("no eoi_function\n");
150		164
151	}	165	}
152		166

Subversion Repositories HelenOS-historic

(root)/kernel/trunk/arch/ia32/src/interrupt.c – Rev 1008 → 1019