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 <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>
 
/*
 * 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)
{
    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, __u32 stack[])
{
    ASSERT(n < IVT_ITEMS);
   
    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 ss_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("Stack fault\n");
}
 
 
void nm_fault(__u8 n, __u32 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, __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]);
    printf("page fault\n");
    cpu_halt();
}
 
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("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 90	Rev 92
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		39
40	/*	40	/*
41	* Interrupt and exception dispatching.	41	* Interrupt and exception dispatching.
42	*/	42	*/
43		43
44	static iroutine ivt[IVT_ITEMS];	44	static iroutine ivt[IVT_ITEMS];
45		45
46	void (* disable_irqs_function)(__u16 irqmask) = NULL;	46	void (* disable_irqs_function)(__u16 irqmask) = NULL;
47	void (* enable_irqs_function)(__u16 irqmask) = NULL;	47	void (* enable_irqs_function)(__u16 irqmask) = NULL;
48	void (* eoi_function)(void) = NULL;	48	void (* eoi_function)(void) = NULL;
49		49
50	iroutine trap_register(__u8 n, iroutine f)	50	iroutine trap_register(__u8 n, iroutine f)
51	{	51	{
52	ASSERT(n < IVT_ITEMS);	52	ASSERT(n < IVT_ITEMS);
53		53
54	iroutine old;	54	iroutine old;
55		55
56	old = ivt[n];	56	old = ivt[n];
57	ivt[n] = f;	57	ivt[n] = f;
58		58
59	return old;	59	return old;
60	}	60	}
61		61
62	/*	62	/*
63	* Called directly from the assembler code.	63	* Called directly from the assembler code.
64	* CPU is cpu_priority_high().	64	* CPU is cpu_priority_high().
65	*/	65	*/
66	void trap_dispatcher(__u8 n, __u32 stack[])	66	void trap_dispatcher(__u8 n, __u32 stack[])
67	{	67	{
68	ASSERT(n < IVT_ITEMS);	68	ASSERT(n < IVT_ITEMS);
69		69
70	ivt[n](n, stack);	70	ivt[n](n, stack);
71	}	71	}
72		72
73	void null_interrupt(__u8 n, __u32 stack[])	73	void null_interrupt(__u8 n, __u32 stack[])
74	{	74	{
75	printf("int %d: null_interrupt\n", n);	75	printf("int %d: null_interrupt\n", n);
76	printf("stack: %L, %L, %L, %L\n", stack[0], stack[1], stack[2], stack[3]);	76	printf("stack: %L, %L, %L, %L\n", stack[0], stack[1], stack[2], stack[3]);
77	panic("unserviced interrupt\n");	77	panic("unserviced interrupt\n");
78	}	78	}
79		79
80	void gp_fault(__u8 n, __u32 stack[])	80	void gp_fault(__u8 n, __u32 stack[])
81	{	81	{
82	printf("stack[0]=%X, %%eip=%X, %%cs=%X, flags=%X\n", stack[0], stack[1], stack[2], stack[3]);	82	printf("stack[0]=%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);	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]);	84	printf("stack: %X, %X, %X, %X\n", stack[4], stack[5], stack[6], stack[7]);
85	panic("general protection fault\n");	85	panic("general protection fault\n");
86	}	86	}
87		87
88	void ss_fault(__u8 n, __u32 stack[])	88	void ss_fault(__u8 n, __u32 stack[])
89	{	89	{
90	printf("stack[0]=%X, %%eip=%X, %%cs=%X, flags=%X\n", stack[0], stack[1], stack[2], stack[3]);	90	printf("stack[0]=%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);	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]);	92	printf("stack: %X, %X, %X, %X\n", stack[4], stack[5], stack[6], stack[7]);
93	panic("Stack fault\n");	93	panic("Stack fault\n");
94	}	94	}
95		95
96		96
97	void nm_fault(__u8 n, __u32 stack[])	97	void nm_fault(__u8 n, __u32 stack[])
98	{	98	{
99		-
100	// printf("-1\n");	-
101	reset_TS_flag();	99	reset_TS_flag();
102	if ((CPU->fpu_owner)!=NULL)	100	if ((CPU->fpu_owner)!=NULL)
103	{	101	{
104	// printf("tid:%d \n", THREAD->tid);	-
105	// printf("owner:%d\n", (CPU->fpu_owner)->tid);	-
106	fpu_lazy_context_save(&((CPU->fpu_owner)->saved_fpu_context));	102	fpu_lazy_context_save(&((CPU->fpu_owner)->saved_fpu_context));
107		-
108	// printf("owner 2\n");	-
109	(CPU->fpu_owner)->fpu_context_engaged=0; /* Enables migration */	103	(CPU->fpu_owner)->fpu_context_engaged=0; /* don't prevent migration */
110	// printf("owner 3\n");	-
111		-
112	}	104	}
113	// printf("0\n");	-
114	if(THREAD->fpu_context_exists) fpu_lazy_context_restore(&(THREAD->saved_fpu_context));	105	if(THREAD->fpu_context_exists) fpu_lazy_context_restore(&(THREAD->saved_fpu_context));
115	else {fpu_init();THREAD->fpu_context_exists=1;}	106	else {fpu_init();THREAD->fpu_context_exists=1;}
116	// printf("1\n");	-
117	CPU->fpu_owner=THREAD;	107	CPU->fpu_owner=THREAD;
118	// printf("2\n");	-
119		-
120	// printf("3\n");	-
121	// panic("#NM fault\n");	-
122	}	108	}
123		109
124		110
125		111
126	void page_fault(__u8 n, __u32 stack[])	112	void page_fault(__u8 n, __u32 stack[])
127	{	113	{
128	printf("page fault address: %X\n", cpu_read_cr2());	114	printf("page fault address: %X\n", cpu_read_cr2());
129	printf("stack[0]=%X, %%eip=%X, %%cs=%X, flags=%X\n", stack[0], stack[1], stack[2], stack[3]);	115	printf("stack[0]=%X, %%eip=%X, %%cs=%X, flags=%X\n", stack[0], stack[1], stack[2], stack[3]);
130	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("%%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);
131	printf("stack: %X, %X, %X, %X\n", stack[4], stack[5], stack[6], stack[7]);	117	printf("stack: %X, %X, %X, %X\n", stack[4], stack[5], stack[6], stack[7]);
132	printf("page fault\n");	118	printf("page fault\n");
133	cpu_halt();	119	cpu_halt();
134	}	120	}
135		121
136	void syscall(__u8 n, __u32 stack[])	122	void syscall(__u8 n, __u32 stack[])
137	{	123	{
138	printf("cpu%d: syscall\n", CPU->id);	124	printf("cpu%d: syscall\n", CPU->id);
139	thread_usleep(1000);	125	thread_usleep(1000);
140	}	126	}
141		127
142	void tlb_shootdown_ipi(__u8 n, __u32 stack[])	128	void tlb_shootdown_ipi(__u8 n, __u32 stack[])
143	{	129	{
144	trap_virtual_eoi();	130	trap_virtual_eoi();
145	tlb_shootdown_ipi_recv();	131	tlb_shootdown_ipi_recv();
146	}	132	}
147		133
148	void wakeup_ipi(__u8 n, __u32 stack[])	134	void wakeup_ipi(__u8 n, __u32 stack[])
149	{	135	{
150	trap_virtual_eoi();	136	trap_virtual_eoi();
151	}	137	}
152		138
153	void trap_virtual_enable_irqs(__u16 irqmask)	139	void trap_virtual_enable_irqs(__u16 irqmask)
154	{	140	{
155	if (enable_irqs_function)	141	if (enable_irqs_function)
156	enable_irqs_function(irqmask);	142	enable_irqs_function(irqmask);
157	else	143	else
158	panic("no enable_irqs_function\n");	144	panic("no enable_irqs_function\n");
159	}	145	}
160		146
161	void trap_virtual_disable_irqs(__u16 irqmask)	147	void trap_virtual_disable_irqs(__u16 irqmask)
162	{	148	{
163	if (disable_irqs_function)	149	if (disable_irqs_function)
164	disable_irqs_function(irqmask);	150	disable_irqs_function(irqmask);
165	else	151	else
166	panic("no disable_irqs_function\n");	152	panic("no disable_irqs_function\n");
167	}	153	}
168		154
169	void trap_virtual_eoi(void)	155	void trap_virtual_eoi(void)
170	{	156	{
171	if (eoi_function)	157	if (eoi_function)
172	eoi_function();	158	eoi_function();
173	else	159	else
174	panic("no eoi_function\n");	160	panic("no eoi_function\n");
175		161
176	}	162	}
177		163

Subversion Repositories HelenOS-historic

(root)/SPARTAN/trunk/arch/ia32/src/interrupt.c – Rev 90 → 92