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;
 
#define PRINT_INFO_ERRCODE(st) { \
        __native *x = (__native *) st; \
    char *symbol = get_symtab_entry(x[1]); \
    if (!symbol) \
        symbol = ""; \
    printf("----------------EXCEPTION OCCURED----------------\n"); \
    printf("%%eip: %X (%s)\n",x[1],symbol); \
    printf("ERROR_WORD=%X\n", x[0]); \
    printf("%%cs=%X,flags=%X\n", x[2], x[3]); \
    printf("%%eax=%X, %%ebx=%X, %%ecx=%X, %%edx=%X\n",\
           x[-2],x[-5],x[-3],x[-4]); \
    printf("%%esi=%X, %%edi=%X, %%ebp=%X, %%esp=%X\n",\
           x[-8],x[-9],x[-1],x); \
    printf("stack: %X, %X, %X, %X\n", x[4], x[5], x[6], x[7]); \
    printf("       %X, %X, %X, %X\n", x[8], x[9], x[10], x[11]); \
        }
 
void null_interrupt(int n, void *st)
{
    __native *stack = (__native *) st;
 
    printf("int %d: null_interrupt\n", n);
    printf("stack: %L, %L, %L, %L\n", stack[0], stack[1], stack[2], stack[3]);
    panic("unserviced interrupt\n");
}
 
void gp_fault(int n, void *stack)
{
    PRINT_INFO_ERRCODE(stack);
    panic("general protection fault\n");
}
 
void ss_fault(int n, void *stack)
{
    PRINT_INFO_ERRCODE(stack);
    panic("stack fault\n");
}
 
 
void nm_fault(int n, void *stack)
{
#ifdef CONFIG_FPU_LAZY     
    scheduler_fpu_lazy_request();
#else
    panic("fpu fault");
#endif
}
 
 
 
void page_fault(int n, void *stack)
{
    __address page;
 
    page = read_cr2();
    if (!as_page_fault(page)) {
        PRINT_INFO_ERRCODE(stack);
        printf("page fault address: %X\n", page);
        panic("page fault\n");
    }
}
 
void syscall(int n, void *st)
{
    __native *stack = (__native *) st;
   
    if (stack[-2] < SYSCALL_END)
        stack[-2] = syscall_table[stack[-2]](stack[-5], stack[-3], stack[-4]);
    else
        panic("Undefined syscall %d", stack[-2]);
}
 
void tlb_shootdown_ipi(int n, void *stack)
{
    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 714	Rev 825
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	#define PRINT_INFO_ERRCODE(st) { \	52	#define PRINT_INFO_ERRCODE(st) { \
53	__native x = (__native ) st; \	53	__native x = (__native ) st; \
54	char *symbol = get_symtab_entry(x[1]); \	54	char *symbol = get_symtab_entry(x[1]); \
55	if (!symbol) \	55	if (!symbol) \
56	symbol = ""; \	56	symbol = ""; \
57	printf("----------------EXCEPTION OCCURED----------------\n"); \	57	printf("----------------EXCEPTION OCCURED----------------\n"); \
58	printf("%%eip: %X (%s)\n",x[1],symbol); \	58	printf("%%eip: %X (%s)\n",x[1],symbol); \
59	printf("ERROR_WORD=%X\n", x[0]); \	59	printf("ERROR_WORD=%X\n", x[0]); \
60	printf("%%cs=%X,flags=%X\n", x[2], x[3]); \	60	printf("%%cs=%X,flags=%X\n", x[2], x[3]); \
61	printf("%%eax=%X, %%ebx=%X, %%ecx=%X, %%edx=%X\n",\	61	printf("%%eax=%X, %%ebx=%X, %%ecx=%X, %%edx=%X\n",\
62	x[-2],x[-5],x[-3],x[-4]); \	62	x[-2],x[-5],x[-3],x[-4]); \
63	printf("%%esi=%X, %%edi=%X, %%ebp=%X, %%esp=%X\n",\	63	printf("%%esi=%X, %%edi=%X, %%ebp=%X, %%esp=%X\n",\
64	x[-8],x[-9],x[-1],x); \	64	x[-8],x[-9],x[-1],x); \
65	printf("stack: %X, %X, %X, %X\n", x[4], x[5], x[6], x[7]); \	65	printf("stack: %X, %X, %X, %X\n", x[4], x[5], x[6], x[7]); \
66	printf(" %X, %X, %X, %X\n", x[8], x[9], x[10], x[11]); \	66	printf(" %X, %X, %X, %X\n", x[8], x[9], x[10], x[11]); \
67	}	67	}
68		68
69	void null_interrupt(int n, void *st)	69	void null_interrupt(int n, void *st)
70	{	70	{
71	__native stack = (__native ) st;	71	__native stack = (__native ) st;
72		72
73	printf("int %d: null_interrupt\n", n);	73	printf("int %d: null_interrupt\n", n);
74	printf("stack: %L, %L, %L, %L\n", stack[0], stack[1], stack[2], stack[3]);	74	printf("stack: %L, %L, %L, %L\n", stack[0], stack[1], stack[2], stack[3]);
75	panic("unserviced interrupt\n");	75	panic("unserviced interrupt\n");
76	}	76	}
77		77
78	void gp_fault(int n, void *stack)	78	void gp_fault(int n, void *stack)
79	{	79	{
80	PRINT_INFO_ERRCODE(stack);	80	PRINT_INFO_ERRCODE(stack);
81	panic("general protection fault\n");	81	panic("general protection fault\n");
82	}	82	}
83		83
84	void ss_fault(int n, void *stack)	84	void ss_fault(int n, void *stack)
85	{	85	{
86	PRINT_INFO_ERRCODE(stack);	86	PRINT_INFO_ERRCODE(stack);
87	panic("stack fault\n");	87	panic("stack fault\n");
88	}	88	}
89		89
90		90
91	void nm_fault(int n, void *stack)	91	void nm_fault(int n, void *stack)
92	{	92	{
93	#ifdef CONFIG_FPU_LAZY	93	#ifdef CONFIG_FPU_LAZY
94	scheduler_fpu_lazy_request();	94	scheduler_fpu_lazy_request();
95	#else	95	#else
96	panic("fpu fault");	96	panic("fpu fault");
97	#endif	97	#endif
98	}	98	}
99		99
100		100
101		101
102	void page_fault(int n, void *stack)	102	void page_fault(int n, void *stack)
103	{	103	{
104	__address page;	104	__address page;
105		105
106	page = read_cr2();	106	page = read_cr2();
107	if (!as_page_fault(page)) {	107	if (!as_page_fault(page)) {
108	PRINT_INFO_ERRCODE(stack);	108	PRINT_INFO_ERRCODE(stack);
109	printf("page fault address: %X\n", page);	109	printf("page fault address: %X\n", page);
110	panic("page fault\n");	110	panic("page fault\n");
111	}	111	}
112	}	112	}
113		113
114	void syscall(int n, void *st)	114	void syscall(int n, void *st)
115	{	115	{
116	__native stack = (__native ) st;	116	__native stack = (__native ) st;
117		117
118	if (stack[-2] < SYSCALL_END)	118	if (stack[-2] < SYSCALL_END)
119	stack[-2] = syscall_table[stack[-2]](stack[-5], stack[-3], stack[-4]);	119	stack[-2] = syscall_table[stack[-2]](stack[-5], stack[-3], stack[-4]);
120	else	120	else
121	panic("Undefined syscall %d", stack[-2]);	121	panic("Undefined syscall %d", stack[-2]);
122	}	122	}
123		123
124	void tlb_shootdown_ipi(int n, void *stack)	124	void tlb_shootdown_ipi(int n, void *stack)
125	{	125	{
126	trap_virtual_eoi();	126	trap_virtual_eoi();
127	tlb_shootdown_ipi_recv();	127	tlb_shootdown_ipi_recv();
128	}	128	}
129		129
130	void wakeup_ipi(int n, void *stack)	-
131	{	-
132	trap_virtual_eoi();	-
133	}	-
134		-
135	void trap_virtual_enable_irqs(__u16 irqmask)	130	void trap_virtual_enable_irqs(__u16 irqmask)
136	{	131	{
137	if (enable_irqs_function)	132	if (enable_irqs_function)
138	enable_irqs_function(irqmask);	133	enable_irqs_function(irqmask);
139	else	134	else
140	panic("no enable_irqs_function\n");	135	panic("no enable_irqs_function\n");
141	}	136	}
142		137
143	void trap_virtual_disable_irqs(__u16 irqmask)	138	void trap_virtual_disable_irqs(__u16 irqmask)
144	{	139	{
145	if (disable_irqs_function)	140	if (disable_irqs_function)
146	disable_irqs_function(irqmask);	141	disable_irqs_function(irqmask);
147	else	142	else
148	panic("no disable_irqs_function\n");	143	panic("no disable_irqs_function\n");
149	}	144	}
150		145
151	void trap_virtual_eoi(void)	146	void trap_virtual_eoi(void)
152	{	147	{
153	if (eoi_function)	148	if (eoi_function)
154	eoi_function();	149	eoi_function();
155	else	150	else
156	panic("no eoi_function\n");	151	panic("no eoi_function\n");
157		152
158	}	153	}
159		154

Subversion Repositories HelenOS-historic

(root)/kernel/trunk/arch/ia32/src/interrupt.c – Rev 714 → 825