WebSVN – HelenOS-historic – Diff – /SPARTAN/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>
#include <arch.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("cpu%d: syscall\n", CPU->id);
    thread_usleep(1000);
}
 
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)/SPARTAN/trunk/arch/ia32/src/interrupt.c – Rev 27 → 31

Rev 27		Rev 31
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	#include <arch.h>	37	#include <arch.h>
38		38
39	/*	39	/*
40	* Interrupt and exception dispatching.	40	* Interrupt and exception dispatching.
41	*/	41	*/
42		42
43	static iroutine ivt[IVT_ITEMS];	43	static iroutine ivt[IVT_ITEMS];
44		44
45	void (* disable_irqs_function)(__u16 irqmask) = NULL;	45	void (* disable_irqs_function)(__u16 irqmask) = NULL;
46	void (* enable_irqs_function)(__u16 irqmask) = NULL;	46	void (* enable_irqs_function)(__u16 irqmask) = NULL;
47	void (* eoi_function)(void) = NULL;	47	void (* eoi_function)(void) = NULL;
48		48
49	iroutine trap_register(__u8 n, iroutine f)	49	iroutine trap_register(__u8 n, iroutine f)
50	{	50	{
51	iroutine old;	51	iroutine old;
52		52
53	old = ivt[n];	53	old = ivt[n];
54	ivt[n] = f;	54	ivt[n] = f;
55		55
56	return old;	56	return old;
57	}	57	}
58		58
59	/*	59	/*
60	* Called directly from the assembler code.	60	* Called directly from the assembler code.
61	* CPU is cpu_priority_high().	61	* CPU is cpu_priority_high().
62	*/	62	*/
63	void trap_dispatcher(__u8 n, __u32 stack[])	63	void trap_dispatcher(__u8 n, __u32 stack[])
64	{	64	{
65	ivt[n](n,stack);	65	ivt[n](n,stack);
66	}	66	}
67		67
68	void null_interrupt(__u8 n, __u32 stack[])	68	void null_interrupt(__u8 n, __u32 stack[])
69	{	69	{
70	printf("int %d: null_interrupt\n", n);	70	printf("int %d: null_interrupt\n", n);
71	printf("stack: %L, %L, %L, %L\n", stack[0], stack[1], stack[2], stack[3]);	71	printf("stack: %L, %L, %L, %L\n", stack[0], stack[1], stack[2], stack[3]);
72	panic("unserviced interrupt\n");	72	panic("unserviced interrupt\n");
73	}	73	}
74		74
75	void gp_fault(__u8 n, __u32 stack[])	75	void gp_fault(__u8 n, __u32 stack[])
76	{	76	{
77	printf("stack[0]=%X, %%eip=%X, %%cs=%X, flags=%X\n", stack[0], stack[1], stack[2], stack[3]);	77	printf("stack[0]=%X, %%eip=%X, %%cs=%X, flags=%X\n", stack[0], stack[1], stack[2], stack[3]);
78	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("%%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);
79	printf("stack: %X, %X, %X, %X\n", stack[4], stack[5], stack[6], stack[7]);	79	printf("stack: %X, %X, %X, %X\n", stack[4], stack[5], stack[6], stack[7]);
80	panic("general protection fault\n");	80	panic("general protection fault\n");
81	}	81	}
82		82
83	void page_fault(__u8 n, __u32 stack[])	83	void page_fault(__u8 n, __u32 stack[])
84	{	84	{
85	printf("page fault address: %X\n", cpu_read_cr2());	85	printf("page fault address: %X\n", cpu_read_cr2());
86	printf("stack[0]=%X, %%eip=%X, %%cs=%X, flags=%X\n", stack[0], stack[1], stack[2], stack[3]);	86	printf("stack[0]=%X, %%eip=%X, %%cs=%X, flags=%X\n", stack[0], stack[1], stack[2], stack[3]);
87	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("%%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);
88	printf("stack: %X, %X, %X, %X\n", stack[4], stack[5], stack[6], stack[7]);	88	printf("stack: %X, %X, %X, %X\n", stack[4], stack[5], stack[6], stack[7]);
89	panic("page fault\n");	89	panic("page fault\n");
90	}	90	}
91		91
92	void syscall(__u8 n, __u32 stack[])	92	void syscall(__u8 n, __u32 stack[])
93	{	93	{
94	printf("cpu%d: syscall\n", CPU->id);	94	printf("cpu%d: syscall\n", CPU->id);
95	thread_usleep(1000000);	95	thread_usleep(1000);
96	}	96	}
97		97
98	void tlb_shootdown_ipi(__u8 n, __u32 stack[])	98	void tlb_shootdown_ipi(__u8 n, __u32 stack[])
99	{	99	{
100	trap_virtual_eoi();	100	trap_virtual_eoi();
101	tlb_shootdown_ipi_recv();	101	tlb_shootdown_ipi_recv();
102	}	102	}
103		103
104	void wakeup_ipi(__u8 n, __u32 stack[])	104	void wakeup_ipi(__u8 n, __u32 stack[])
105	{	105	{
106	trap_virtual_eoi();	106	trap_virtual_eoi();
107	}	107	}
108		108
109	void trap_virtual_enable_irqs(__u16 irqmask)	109	void trap_virtual_enable_irqs(__u16 irqmask)
110	{	110	{
111	if (enable_irqs_function)	111	if (enable_irqs_function)
112	enable_irqs_function(irqmask);	112	enable_irqs_function(irqmask);
113	else	113	else
114	panic(PANIC "no enable_irqs_function\n");	114	panic(PANIC "no enable_irqs_function\n");
115	}	115	}
116		116
117	void trap_virtual_disable_irqs(__u16 irqmask)	117	void trap_virtual_disable_irqs(__u16 irqmask)
118	{	118	{
119	if (disable_irqs_function)	119	if (disable_irqs_function)
120	disable_irqs_function(irqmask);	120	disable_irqs_function(irqmask);
121	else	121	else
122	panic(PANIC "no disable_irqs_function\n");	122	panic(PANIC "no disable_irqs_function\n");
123	}	123	}
124		124
125	void trap_virtual_eoi(void)	125	void trap_virtual_eoi(void)
126	{	126	{
127	if (eoi_function)	127	if (eoi_function)
128	eoi_function();	128	eoi_function();
129	else	129	else
130	panic(PANIC "no eoi_function\n");	130	panic(PANIC "no eoi_function\n");
131		131
132	}	132	}
133		133