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 <print.h>
#include <panic.h>
#include <arch/i8259.h>
#include <func.h>
#include <cpu.h>
#include <arch/asm.h>
#include <mm/tlb.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;
 
iroutine trap_register(__u8 n, iroutine f)
{
    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, __u32 stack[])
{
    ivt[n](n,stack);
}
 
void null_interrupt(__u8 n, __u32 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, __u32 stack[])
{
    printf("stack[0]=%X, %%eip=%X, %%cs=%X, flags=%X\n", stack[0], stack[1], stack[2], stack[3]);
    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);
    printf("stack: %X, %X, %X, %X\n", stack[4], stack[5], stack[6], stack[7]);
    panic("general protection fault\n");
}
 
void page_fault(__u8 n, __u32 stack[])
{
    printf("page fault address: %X\n", cpu_read_cr2());
    printf("stack[0]=%X, %%eip=%X, %%cs=%X, flags=%X\n", stack[0], stack[1], stack[2], stack[3]);
    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);
    printf("stack: %X, %X, %X, %X\n", stack[4], stack[5], stack[6], stack[7]);
    panic("page fault\n");
}
 
void syscall(__u8 n, __u32 stack[])
{
    printf("syscall... ");
    thread_sleep(1);
}
 
void tlb_shootdown_ipi(__u8 n, __u32 stack[])
{
    trap_virtual_eoi();
    tlb_shootdown_ipi_recv();
}
 
void wakeup_ipi(__u8 n, __u32 stack[])
{
    trap_virtual_eoi();
}
 
void trap_virtual_enable_irqs(__u16 irqmask)
{
    if (enable_irqs_function)
        enable_irqs_function(irqmask);
    else
        panic(PANIC "no enable_irqs_function\n");
}
 
void trap_virtual_disable_irqs(__u16 irqmask)
{
    if (disable_irqs_function)
        disable_irqs_function(irqmask);
    else
        panic(PANIC "no disable_irqs_function\n");
}
 
void trap_virtual_eoi(void)
{
    if (eoi_function)
        eoi_function();
    else
        panic(PANIC "no eoi_function\n");
 
}
 

Subversion Repositories HelenOS-historic

(root)/kernel/trunk/arch/ia32/src/interrupt.c @ 1780 – Rev 6 → 7

Rev 6		Rev 7
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 <panic.h>	31	#include <panic.h>
32	#include <arch/i8259.h>	32	#include <arch/i8259.h>
33	#include <func.h>	33	#include <func.h>
34	#include <cpu.h>	34	#include <cpu.h>
35	#include <arch/asm.h>	35	#include <arch/asm.h>
36	#include <mm/tlb.h>	36	#include <mm/tlb.h>
37		37
38	/*	38	/*
39	* Interrupt and exception dispatching.	39	* Interrupt and exception dispatching.
40	*/	40	*/
41		41
42	static iroutine ivt[IVT_ITEMS];	42	static iroutine ivt[IVT_ITEMS];
43		43
44	void (* disable_irqs_function)(__u16 irqmask) = NULL;	44	void (* disable_irqs_function)(__u16 irqmask) = NULL;
45	void (* enable_irqs_function)(__u16 irqmask) = NULL;	45	void (* enable_irqs_function)(__u16 irqmask) = NULL;
46	void (* eoi_function)(void) = NULL;	46	void (* eoi_function)(void) = NULL;
47		47
48	iroutine trap_register(__u8 n, iroutine f)	48	iroutine trap_register(__u8 n, iroutine f)
49	{	49	{
50	iroutine old;	50	iroutine old;
51		51
52	old = ivt[n];	52	old = ivt[n];
53	ivt[n] = f;	53	ivt[n] = f;
54		54
55	return old;	55	return old;
56	}	56	}
57		57
58	/*	58	/*
59	* Called directly from the assembler code.	59	* Called directly from the assembler code.
60	* CPU is cpu_priority_high().	60	* CPU is cpu_priority_high().
61	*/	61	*/
62	void trap_dispatcher(__u8 n, __u32 stack[])	62	void trap_dispatcher(__u8 n, __u32 stack[])
63	{	63	{
64	ivt[n](n,stack);	64	ivt[n](n,stack);
65	}	65	}
66		66
67	void null_interrupt(__u8 n, __u32 stack[])	67	void null_interrupt(__u8 n, __u32 stack[])
68	{	68	{
69	printf("int %d: null_interrupt\n", n);	69	printf("int %d: null_interrupt\n", n);
70	printf("stack: %L, %L, %L, %L\n", stack[0], stack[1], stack[2], stack[3]);	70	printf("stack: %L, %L, %L, %L\n", stack[0], stack[1], stack[2], stack[3]);
71	panic("unserviced interrupt\n");	71	panic("unserviced interrupt\n");
72	}	72	}
73		73
74	void gp_fault(__u8 n, __u32 stack[])	74	void gp_fault(__u8 n, __u32 stack[])
75	{	75	{
76	printf("stack[0]=%X, %%eip=%X, %%cs=%X, flags=%X\n", stack[0], stack[1], stack[2], stack[3]);	76	printf("stack[0]=%X, %%eip=%X, %%cs=%X, flags=%X\n", stack[0], stack[1], stack[2], stack[3]);
77	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);	77	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);
78	printf("stack: %X, %X, %X, %X\n", stack[4], stack[5], stack[6], stack[7]);	78	printf("stack: %X, %X, %X, %X\n", stack[4], stack[5], stack[6], stack[7]);
79	panic("general protection fault\n");	79	panic("general protection fault\n");
80	}	80	}
81		81
82	void page_fault(__u8 n, __u32 stack[])	82	void page_fault(__u8 n, __u32 stack[])
83	{	83	{
84	printf("page fault address: %X\n", cpu_read_cr2());	84	printf("page fault address: %X\n", cpu_read_cr2());
85	printf("stack[0]=%X, %%eip=%X, %%cs=%X, flags=%X\n", stack[0], stack[1], stack[2], stack[3]);	85	printf("stack[0]=%X, %%eip=%X, %%cs=%X, flags=%X\n", stack[0], stack[1], stack[2], stack[3]);
86	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);	86	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);
87	printf("stack: %X, %X, %X, %X\n", stack[4], stack[5], stack[6], stack[7]);	87	printf("stack: %X, %X, %X, %X\n", stack[4], stack[5], stack[6], stack[7]);
88	panic("page fault\n");	88	panic("page fault\n");
89	}	89	}
90		90
91	void syscall(__u8 n, __u32 stack[])	91	void syscall(__u8 n, __u32 stack[])
92	{	92	{
93	printf("syscall... ");	93	printf("syscall... ");
94	thread_sleep(1);	94	thread_sleep(1);
95	}	95	}
96		96
97	void tlb_shootdown_ipi(__u8 n, __u32 stack[])	97	void tlb_shootdown_ipi(__u8 n, __u32 stack[])
98	{	98	{
99	trap_virtual_eoi();	99	trap_virtual_eoi();
100	tlb_shootdown_ipi_recv();	100	tlb_shootdown_ipi_recv();
101	}	101	}
102		102
-		103	void wakeup_ipi(__u8 n, __u32 stack[])
-		104	{
-		105	trap_virtual_eoi();
-		106	}
-		107
103	void trap_virtual_enable_irqs(__u16 irqmask)	108	void trap_virtual_enable_irqs(__u16 irqmask)
104	{	109	{
105	if (enable_irqs_function)	110	if (enable_irqs_function)
106	enable_irqs_function(irqmask);	111	enable_irqs_function(irqmask);
107	else	112	else
108	panic(PANIC "no enable_irqs_function\n");	113	panic(PANIC "no enable_irqs_function\n");
109	}	114	}
110		115
111	void trap_virtual_disable_irqs(__u16 irqmask)	116	void trap_virtual_disable_irqs(__u16 irqmask)
112	{	117	{
113	if (disable_irqs_function)	118	if (disable_irqs_function)
114	disable_irqs_function(irqmask);	119	disable_irqs_function(irqmask);
115	else	120	else
116	panic(PANIC "no disable_irqs_function\n");	121	panic(PANIC "no disable_irqs_function\n");
117	}	122	}
118		123
119	void trap_virtual_eoi(void)	124	void trap_virtual_eoi(void)
120	{	125	{
121	if (eoi_function)	126	if (eoi_function)
122	eoi_function();	127	eoi_function();
123	else	128	else
124	panic(PANIC "no eoi_function\n");	129	panic(PANIC "no eoi_function\n");
125		130
126	}	131	}
127		132