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>
#include <symtab.h>
#include <proc/thread.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 interrupts_disable()'d.
 */
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[])
{
#ifdef FPU_LAZY     
    scheduler_fpu_lazy_request();
#else
    panic("fpu fault");
#endif
}
 
 
 
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 391	Rev 413
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	#include <symtab.h>
40	#include <proc/thread.h>	40	#include <proc/thread.h>
41		41
42	/*	42	/*
43	* Interrupt and exception dispatching.	43	* Interrupt and exception dispatching.
44	*/	44	*/
45		45
46	static iroutine ivt[IVT_ITEMS];	46	static iroutine ivt[IVT_ITEMS];
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(x) { \	52	#define PRINT_INFO_ERRCODE(x) { \
53	char *symbol = get_symtab_entry(stack[1]); \	53	char *symbol = get_symtab_entry(stack[1]); \
54	if (!symbol) \	54	if (!symbol) \
55	symbol = ""; \	55	symbol = ""; \
56	printf("----------------EXCEPTION OCCURED----------------\n"); \	56	printf("----------------EXCEPTION OCCURED----------------\n"); \
57	printf("%%eip: %X (%s)\n",x[1],symbol); \	57	printf("%%eip: %X (%s)\n",x[1],symbol); \
58	printf("ERROR_WORD=%X\n", x[0]); \	58	printf("ERROR_WORD=%X\n", x[0]); \
59	printf("%%cs=%X,flags=%X\n", x[2], x[3]); \	59	printf("%%cs=%X,flags=%X\n", x[2], x[3]); \
60	printf("%%eax=%X, %%ebx=%X, %%ecx=%X, %%edx=%X\n",\	60	printf("%%eax=%X, %%ebx=%X, %%ecx=%X, %%edx=%X\n",\
61	x[-2],x[-5],x[-3],x[-4]); \	61	x[-2],x[-5],x[-3],x[-4]); \
62	printf("%%esi=%X, %%edi=%X, %%ebp=%X, %%esp=%X\n",\	62	printf("%%esi=%X, %%edi=%X, %%ebp=%X, %%esp=%X\n",\
63	x[-8],x[-9],x[-1],x); \	63	x[-8],x[-9],x[-1],x); \
64	printf("stack: %X, %X, %X, %X\n", x[4], x[5], x[6], x[7]); \	64	printf("stack: %X, %X, %X, %X\n", x[4], x[5], x[6], x[7]); \
65	printf(" %X, %X, %X, %X\n", x[8], x[9], x[10], x[11]); \	65	printf(" %X, %X, %X, %X\n", x[8], x[9], x[10], x[11]); \
66	}	66	}
67		67
68	iroutine trap_register(__u8 n, iroutine f)	68	iroutine trap_register(__u8 n, iroutine f)
69	{	69	{
70	ASSERT(n < IVT_ITEMS);	70	ASSERT(n < IVT_ITEMS);
71		71
72	iroutine old;	72	iroutine old;
73		73
74	old = ivt[n];	74	old = ivt[n];
75	ivt[n] = f;	75	ivt[n] = f;
76		76
77	return old;	77	return old;
78	}	78	}
79		79
80	/*	80	/*
81	* Called directly from the assembler code.	81	* Called directly from the assembler code.
82	* CPU is cpu_priority_high().	82	* CPU is interrupts_disable()'d.
83	*/	83	*/
84	void trap_dispatcher(__u8 n, __native stack[])	84	void trap_dispatcher(__u8 n, __native stack[])
85	{	85	{
86	ASSERT(n < IVT_ITEMS);	86	ASSERT(n < IVT_ITEMS);
87		87
88	ivt[n](n, stack);	88	ivt[n](n, stack);
89	}	89	}
90		90
91	void null_interrupt(__u8 n, __native stack[])	91	void null_interrupt(__u8 n, __native stack[])
92	{	92	{
93	printf("int %d: null_interrupt\n", n);	93	printf("int %d: null_interrupt\n", n);
94	printf("stack: %L, %L, %L, %L\n", stack[0], stack[1], stack[2], stack[3]);	94	printf("stack: %L, %L, %L, %L\n", stack[0], stack[1], stack[2], stack[3]);
95	panic("unserviced interrupt\n");	95	panic("unserviced interrupt\n");
96	}	96	}
97		97
98	void gp_fault(__u8 n, __native stack[])	98	void gp_fault(__u8 n, __native stack[])
99	{	99	{
100	PRINT_INFO_ERRCODE(stack);	100	PRINT_INFO_ERRCODE(stack);
101	panic("general protection fault\n");	101	panic("general protection fault\n");
102	}	102	}
103		103
104	void ss_fault(__u8 n, __native stack[])	104	void ss_fault(__u8 n, __native stack[])
105	{	105	{
106	PRINT_INFO_ERRCODE(stack);	106	PRINT_INFO_ERRCODE(stack);
107	panic("stack fault\n");	107	panic("stack fault\n");
108	}	108	}
109		109
110		110
111	void nm_fault(__u8 n, __native stack[])	111	void nm_fault(__u8 n, __native stack[])
112	{	112	{
113	#ifdef FPU_LAZY	113	#ifdef FPU_LAZY
114	scheduler_fpu_lazy_request();	114	scheduler_fpu_lazy_request();
115	#else	115	#else
116	panic("fpu fault");	116	panic("fpu fault");
117	#endif	117	#endif
118	}	118	}
119		119
120		120
121		121
122	void page_fault(__u8 n, __native stack[])	122	void page_fault(__u8 n, __native stack[])
123	{	123	{
124	PRINT_INFO_ERRCODE(stack);	124	PRINT_INFO_ERRCODE(stack);
125	printf("page fault address: %X\n", read_cr2());	125	printf("page fault address: %X\n", read_cr2());
126	panic("page fault\n");	126	panic("page fault\n");
127	}	127	}
128		128
129	void syscall(__u8 n, __native stack[])	129	void syscall(__u8 n, __native stack[])
130	{	130	{
131	printf("cpu%d: syscall\n", CPU->id);	131	printf("cpu%d: syscall\n", CPU->id);
132	thread_usleep(1000);	132	thread_usleep(1000);
133	}	133	}
134		134
135	void tlb_shootdown_ipi(__u8 n, __native stack[])	135	void tlb_shootdown_ipi(__u8 n, __native stack[])
136	{	136	{
137	trap_virtual_eoi();	137	trap_virtual_eoi();
138	tlb_shootdown_ipi_recv();	138	tlb_shootdown_ipi_recv();
139	}	139	}
140		140
141	void wakeup_ipi(__u8 n, __native stack[])	141	void wakeup_ipi(__u8 n, __native stack[])
142	{	142	{
143	trap_virtual_eoi();	143	trap_virtual_eoi();
144	}	144	}
145		145
146	void trap_virtual_enable_irqs(__u16 irqmask)	146	void trap_virtual_enable_irqs(__u16 irqmask)
147	{	147	{
148	if (enable_irqs_function)	148	if (enable_irqs_function)
149	enable_irqs_function(irqmask);	149	enable_irqs_function(irqmask);
150	else	150	else
151	panic("no enable_irqs_function\n");	151	panic("no enable_irqs_function\n");
152	}	152	}
153		153
154	void trap_virtual_disable_irqs(__u16 irqmask)	154	void trap_virtual_disable_irqs(__u16 irqmask)
155	{	155	{
156	if (disable_irqs_function)	156	if (disable_irqs_function)
157	disable_irqs_function(irqmask);	157	disable_irqs_function(irqmask);
158	else	158	else
159	panic("no disable_irqs_function\n");	159	panic("no disable_irqs_function\n");
160	}	160	}
161		161
162	void trap_virtual_eoi(void)	162	void trap_virtual_eoi(void)
163	{	163	{
164	if (eoi_function)	164	if (eoi_function)
165	eoi_function();	165	eoi_function();
166	else	166	else
167	panic("no eoi_function\n");	167	panic("no eoi_function\n");
168		168
169	}	169	}
170		170

Subversion Repositories HelenOS-historic

(root)/SPARTAN/trunk/arch/ia32/src/interrupt.c – Rev 391 → 413