WebSVN – HelenOS – Diff – /tags/0.2.0.1/kernel/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 <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 <arch.h>
#include <symtab.h>
 
/*
 * Interrupt and exception dispatching.
 */
 
static iroutine ivt[IVT_ITEMS];
 
void (* disable_irqs_function)(__u16 irqmask) = NULL;
void (* enable_irqs_function)(__u16 irqmask) = NULL;
void (* eoi_function)(void) = NULL;
 
#define PRINT_INFO_ERRCODE(x) { \
    char *symbol = get_symtab_entry(stack[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]); \
        }
 
iroutine trap_register(__u8 n, iroutine f)
{
    ASSERT(n < IVT_ITEMS);
   
    iroutine old;
   
    old = ivt[n];
    ivt[n] = f;
   
    return old;
}
 
/*
 * Called directly from the assembler code.
 * CPU is cpu_priority_high().
 */
void trap_dispatcher(__u8 n, __native stack[])
{
    ASSERT(n < IVT_ITEMS);
   
    ivt[n](n, stack);
}
 
void null_interrupt(__u8 n, __native stack[])
{
    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(__u8 n, __native stack[])
{
 
 
    PRINT_INFO_ERRCODE(stack);
    panic("general protection fault\n");
}
 
void ss_fault(__u8 n, __native stack[])
{
 
 
    PRINT_INFO_ERRCODE(stack);
    panic("stack fault\n");
}
 
 
void nm_fault(__u8 n, __native stack[])
{
    reset_TS_flag();
    if ((CPU->fpu_owner)!=NULL) {  
        fpu_lazy_context_save(&((CPU->fpu_owner)->saved_fpu_context));
        (CPU->fpu_owner)->fpu_context_engaged=0; /* don't prevent migration */
    }
    if(THREAD->fpu_context_exists) fpu_lazy_context_restore(&(THREAD->saved_fpu_context));
    else {fpu_init();THREAD->fpu_context_exists=1;}
    CPU->fpu_owner=THREAD;
}
 
 
 
void page_fault(__u8 n, __native stack[])
{
    PRINT_INFO_ERRCODE(stack);
    printf("page fault address: %X\n", read_cr2());
 
 
 
    panic("page fault\n");
}
 
void syscall(__u8 n, __native stack[])
{
    printf("cpu%d: syscall\n", CPU->id);
    thread_usleep(1000);
}
 
void tlb_shootdown_ipi(__u8 n, __native stack[])
{
    trap_virtual_eoi();
    tlb_shootdown_ipi_recv();
}
 
void wakeup_ipi(__u8 n, __native stack[])
{
    trap_virtual_eoi();
}
 
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 224	Rev 268
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 <print.h>	30	#include <print.h>
31	#include <debug.h>	31	#include <debug.h>
32	#include <panic.h>	32	#include <panic.h>
33	#include <arch/i8259.h>	33	#include <arch/i8259.h>
34	#include <func.h>	34	#include <func.h>
35	#include <cpu.h>	35	#include <cpu.h>
36	#include <arch/asm.h>	36	#include <arch/asm.h>
37	#include <mm/tlb.h>	37	#include <mm/tlb.h>
38	#include <arch.h>	38	#include <arch.h>
-		39	#include <symtab.h>
39		40
40	/*	41	/*
41	* Interrupt and exception dispatching.	42	* Interrupt and exception dispatching.
42	*/	43	*/
43		44
44	static iroutine ivt[IVT_ITEMS];	45	static iroutine ivt[IVT_ITEMS];
45		46
46	void (* disable_irqs_function)(__u16 irqmask) = NULL;	47	void (* disable_irqs_function)(__u16 irqmask) = NULL;
47	void (* enable_irqs_function)(__u16 irqmask) = NULL;	48	void (* enable_irqs_function)(__u16 irqmask) = NULL;
48	void (* eoi_function)(void) = NULL;	49	void (* eoi_function)(void) = NULL;
49		50
-		51	#define PRINT_INFO_ERRCODE(x) { \
-		52	char *symbol = get_symtab_entry(stack[1]); \
-		53	if (!symbol) \
-		54	symbol = ""; \
-		55	printf("----------------EXCEPTION OCCURED----------------\n"); \
-		56	printf("%%eip: %X (%s)\n",x[1],symbol); \
-		57	printf("ERROR_WORD=%X\n", x[0]); \
-		58	printf("%%cs=%X,flags=%X\n", x[2], x[3]); \
-		59	printf("%%eax=%X, %%ebx=%X, %%ecx=%X, %%edx=%X\n",\
-		60	x[-2],x[-5],x[-3],x[-4]); \
-		61	printf("%%esi=%X, %%edi=%X, %%ebp=%X, %%esp=%X\n",\
-		62	x[-8],x[-9],x[-1],x); \
-		63	printf("stack: %X, %X, %X, %X\n", x[4], x[5], x[6], x[7]); \
-		64	printf(" %X, %X, %X, %X\n", x[8], x[9], x[10], x[11]); \
-		65	}
-		66
50	iroutine trap_register(__u8 n, iroutine f)	67	iroutine trap_register(__u8 n, iroutine f)
51	{	68	{
52	ASSERT(n < IVT_ITEMS);	69	ASSERT(n < IVT_ITEMS);
53		70
54	iroutine old;	71	iroutine old;
55		72
56	old = ivt[n];	73	old = ivt[n];
57	ivt[n] = f;	74	ivt[n] = f;
58		75
59	return old;	76	return old;
60	}	77	}
61		78
62	/*	79	/*
63	* Called directly from the assembler code.	80	* Called directly from the assembler code.
64	* CPU is cpu_priority_high().	81	* CPU is cpu_priority_high().
65	*/	82	*/
66	void trap_dispatcher(__u8 n, __native stack[])	83	void trap_dispatcher(__u8 n, __native stack[])
67	{	84	{
68	ASSERT(n < IVT_ITEMS);	85	ASSERT(n < IVT_ITEMS);
69		86
70	ivt[n](n, stack);	87	ivt[n](n, stack);
71	}	88	}
72		89
73	void null_interrupt(__u8 n, __native stack[])	90	void null_interrupt(__u8 n, __native stack[])
74	{	91	{
75	printf("int %d: null_interrupt\n", n);	92	printf("int %d: null_interrupt\n", n);
76	printf("stack: %L, %L, %L, %L\n", stack[0], stack[1], stack[2], stack[3]);	93	printf("stack: %L, %L, %L, %L\n", stack[0], stack[1], stack[2], stack[3]);
77	panic("unserviced interrupt\n");	94	panic("unserviced interrupt\n");
78	}	95	}
79		96
80	void gp_fault(__u8 n, __native stack[])	97	void gp_fault(__u8 n, __native stack[])
81	{	98	{
82	printf("ERROR_WORD=%X, %%eip=%X, %%cs=%X, flags=%X\n", stack[0], stack[1], stack[2], stack[3]);	-
83	printf("%%eax=%L, %%ebx=%L, %%ecx=%L, %%edx=%L,\n%%edi=%L, %%esi=%L, %%ebp=%L, %%esp=%L\n", stack[-2], stack[-5], stack[-3], stack[-4], stack[-9], stack[-8], stack[-1], stack);	-
84	printf("stack: %X, %X, %X, %X\n", stack[4], stack[5], stack[6], stack[7]);	99	PRINT_INFO_ERRCODE(stack);
85	panic("general protection fault\n");	100	panic("general protection fault\n");
86	}	101	}
87		102
88	void ss_fault(__u8 n, __native stack[])	103	void ss_fault(__u8 n, __native stack[])
89	{	104	{
90	printf("ERROR_WORD=%X, %%eip=%X, %%cs=%X, flags=%X\n", stack[0], stack[1], stack[2], stack[3]);	-
91	printf("%%eax=%L, %%ebx=%L, %%ecx=%L, %%edx=%L,\n%%edi=%L, %%esi=%L, %%ebp=%L, %%esp=%L\n", stack[-2], stack[-5], stack[-3], stack[-4], stack[-9], stack[-8], stack[-1], stack);	-
92	printf("stack: %X, %X, %X, %X\n", stack[4], stack[5], stack[6], stack[7]);	105	PRINT_INFO_ERRCODE(stack);
93	panic("stack fault\n");	106	panic("stack fault\n");
94	}	107	}
95		108
96		109
97	void nm_fault(__u8 n, __native stack[])	110	void nm_fault(__u8 n, __native stack[])
98	{	111	{
99	reset_TS_flag();	112	reset_TS_flag();
100	if ((CPU->fpu_owner)!=NULL) {	113	if ((CPU->fpu_owner)!=NULL) {
101	fpu_lazy_context_save(&((CPU->fpu_owner)->saved_fpu_context));	114	fpu_lazy_context_save(&((CPU->fpu_owner)->saved_fpu_context));
102	(CPU->fpu_owner)->fpu_context_engaged=0; /* don't prevent migration */	115	(CPU->fpu_owner)->fpu_context_engaged=0; /* don't prevent migration */
103	}	116	}
104	if(THREAD->fpu_context_exists) fpu_lazy_context_restore(&(THREAD->saved_fpu_context));	117	if(THREAD->fpu_context_exists) fpu_lazy_context_restore(&(THREAD->saved_fpu_context));
105	else {fpu_init();THREAD->fpu_context_exists=1;}	118	else {fpu_init();THREAD->fpu_context_exists=1;}
106	CPU->fpu_owner=THREAD;	119	CPU->fpu_owner=THREAD;
107	}	120	}
108		121
109		122
110		123
111	void page_fault(__u8 n, __native stack[])	124	void page_fault(__u8 n, __native stack[])
112	{	125	{
-		126	PRINT_INFO_ERRCODE(stack);
113	printf("page fault address: %X\n", read_cr2());	127	printf("page fault address: %X\n", read_cr2());
114	printf("ERROR_WORD=%X, %%eip=%X, %%cs=%X, flags=%X\n", stack[0], stack[1], stack[2], stack[3]);	-
115	printf("%%eax=%L, %%ebx=%L, %%ecx=%L, %%edx=%L,\n%%edi=%L, %%esi=%L, %%ebp=%L, %%esp=%L\n", stack[-2], stack[-5], stack[-3], stack[-4], stack[-9], stack[-8], stack[-1], stack);	-
116	printf("stack: %X, %X, %X, %X\n", stack[4], stack[5], stack[6], stack[7]);	-
117	panic("page fault\n");	128	panic("page fault\n");
118	}	129	}
119		130
120	void syscall(__u8 n, __native stack[])	131	void syscall(__u8 n, __native stack[])
121	{	132	{
122	printf("cpu%d: syscall\n", CPU->id);	133	printf("cpu%d: syscall\n", CPU->id);
123	thread_usleep(1000);	134	thread_usleep(1000);
124	}	135	}
125		136
126	void tlb_shootdown_ipi(__u8 n, __native stack[])	137	void tlb_shootdown_ipi(__u8 n, __native stack[])
127	{	138	{
128	trap_virtual_eoi();	139	trap_virtual_eoi();
129	tlb_shootdown_ipi_recv();	140	tlb_shootdown_ipi_recv();
130	}	141	}
131		142
132	void wakeup_ipi(__u8 n, __native stack[])	143	void wakeup_ipi(__u8 n, __native stack[])
133	{	144	{
134	trap_virtual_eoi();	145	trap_virtual_eoi();
135	}	146	}
136		147
137	void trap_virtual_enable_irqs(__u16 irqmask)	148	void trap_virtual_enable_irqs(__u16 irqmask)
138	{	149	{
139	if (enable_irqs_function)	150	if (enable_irqs_function)
140	enable_irqs_function(irqmask);	151	enable_irqs_function(irqmask);
141	else	152	else
142	panic("no enable_irqs_function\n");	153	panic("no enable_irqs_function\n");
143	}	154	}
144		155
145	void trap_virtual_disable_irqs(__u16 irqmask)	156	void trap_virtual_disable_irqs(__u16 irqmask)
146	{	157	{
147	if (disable_irqs_function)	158	if (disable_irqs_function)
148	disable_irqs_function(irqmask);	159	disable_irqs_function(irqmask);
149	else	160	else
150	panic("no disable_irqs_function\n");	161	panic("no disable_irqs_function\n");
151	}	162	}
152		163
153	void trap_virtual_eoi(void)	164	void trap_virtual_eoi(void)
154	{	165	{
155	if (eoi_function)	166	if (eoi_function)
156	eoi_function();	167	eoi_function();
157	else	168	else
158	panic("no eoi_function\n");	169	panic("no eoi_function\n");
159		170
160	}	171	}
161		172

Subversion Repositories HelenOS

(root)/tags/0.2.0.1/kernel/arch/ia32/src/interrupt.c @ 1968 – Rev 224 → 268