WebSVN – HelenOS-historic – Diff – /kernel/trunk/arch/amd64/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>
 
#define PRINT_INFO_ERRCODE(x) { \
    char *symbol = get_symtab_entry(stack[1]); \
    if (!symbol) \
        symbol = ""; \
    printf("----------------EXCEPTION OCCURED----------------\n"); \
    printf("%%rip: %Q (%s)\n",x[1],symbol); \
    printf("ERROR_WORD=%Q\n", x[0]); \
    printf("%%rcs=%Q,flags=%Q\n", x[2], x[3]); \
    printf("%%rax=%Q, %%rbx=%Q, %%rcx=%Q\n",x[-1],x[-2],x[-3]); \
    printf("%%rdx=%Q, %%rsi=%Q, %%rdi=%Q\n",x[-4],x[-5],x[-6]); \
    printf("%%r8 =%Q, %%r9 =%Q, %%r10=%Q\n",x[-7],x[-8],x[-9]); \
    printf("%%r11=%Q, %%r12=%Q, %%r13=%Q\n",x[-10],x[-11],x[-12]); \
    printf("%%r14=%Q, %%r15=%Q, %%rsp=%Q\n",x[-13],x[-14],x); \
    printf("stack: %Q, %Q, %Q\n", x[5], x[6], x[7]); \
    printf("       %Q, %Q, %Q\n", x[8], x[9], x[10]); \
        }
 
/*
 * 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, __native stack[])
{
    ASSERT(n < IVT_ITEMS);
   
    ivt[n](n, stack);
}
 
void null_interrupt(__u8 n, __native stack[])
{
    printf("----------------EXCEPTION OCCURED----------------\n");
    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: %Q\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 226	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>
-		40
-		41	#define PRINT_INFO_ERRCODE(x) { \
-		42	char *symbol = get_symtab_entry(stack[1]); \
-		43	if (!symbol) \
-		44	symbol = ""; \
-		45	printf("----------------EXCEPTION OCCURED----------------\n"); \
-		46	printf("%%rip: %Q (%s)\n",x[1],symbol); \
-		47	printf("ERROR_WORD=%Q\n", x[0]); \
-		48	printf("%%rcs=%Q,flags=%Q\n", x[2], x[3]); \
-		49	printf("%%rax=%Q, %%rbx=%Q, %%rcx=%Q\n",x[-1],x[-2],x[-3]); \
-		50	printf("%%rdx=%Q, %%rsi=%Q, %%rdi=%Q\n",x[-4],x[-5],x[-6]); \
-		51	printf("%%r8 =%Q, %%r9 =%Q, %%r10=%Q\n",x[-7],x[-8],x[-9]); \
-		52	printf("%%r11=%Q, %%r12=%Q, %%r13=%Q\n",x[-10],x[-11],x[-12]); \
-		53	printf("%%r14=%Q, %%r15=%Q, %%rsp=%Q\n",x[-13],x[-14],x); \
-		54	printf("stack: %Q, %Q, %Q\n", x[5], x[6], x[7]); \
-		55	printf(" %Q, %Q, %Q\n", x[8], x[9], x[10]); \
-		56	}
39		57
40	/*	58	/*
41	* Interrupt and exception dispatching.	59	* Interrupt and exception dispatching.
42	*/	60	*/
43		61
44	static iroutine ivt[IVT_ITEMS];	62	static iroutine ivt[IVT_ITEMS];
45		63
46	void (* disable_irqs_function)(__u16 irqmask) = NULL;	64	void (* disable_irqs_function)(__u16 irqmask) = NULL;
47	void (* enable_irqs_function)(__u16 irqmask) = NULL;	65	void (* enable_irqs_function)(__u16 irqmask) = NULL;
48	void (* eoi_function)(void) = NULL;	66	void (* eoi_function)(void) = NULL;
49		67
50	iroutine trap_register(__u8 n, iroutine f)	68	iroutine trap_register(__u8 n, iroutine f)
51	{	69	{
52	ASSERT(n < IVT_ITEMS);	70	ASSERT(n < IVT_ITEMS);
53		71
54	iroutine old;	72	iroutine old;
55		73
56	old = ivt[n];	74	old = ivt[n];
57	ivt[n] = f;	75	ivt[n] = f;
58		76
59	return old;	77	return old;
60	}	78	}
61		79
62	/*	80	/*
63	* Called directly from the assembler code.	81	* Called directly from the assembler code.
64	* CPU is cpu_priority_high().	82	* CPU is cpu_priority_high().
65	*/	83	*/
66	void trap_dispatcher(__u8 n, __native stack[])	84	void trap_dispatcher(__u8 n, __native stack[])
67	{	85	{
68	ASSERT(n < IVT_ITEMS);	86	ASSERT(n < IVT_ITEMS);
69		87
70	ivt[n](n, stack);	88	ivt[n](n, stack);
71	}	89	}
72		90
73	void null_interrupt(__u8 n, __native stack[])	91	void null_interrupt(__u8 n, __native stack[])
74	{	92	{
-		93	printf("----------------EXCEPTION OCCURED----------------\n");
75	printf("int %d: null_interrupt\n", n);	94	printf("int %d: null_interrupt\n", n);
76	printf("stack: %L, %L, %L, %L\n", stack[0], stack[1], stack[2], stack[3]);	95	printf("stack: %L, %L, %L, %L\n", stack[0], stack[1], stack[2], stack[3]);
77	panic("unserviced interrupt\n");	96	panic("unserviced interrupt\n");
78	}	97	}
79		98
80	void gp_fault(__u8 n, __native stack[])	99	void gp_fault(__u8 n, __native stack[])
81	{	100	{
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]);	101	PRINT_INFO_ERRCODE(stack);
85	panic("general protection fault\n");	102	panic("general protection fault\n");
86	}	103	}
87		104
88	void ss_fault(__u8 n, __native stack[])	105	void ss_fault(__u8 n, __native stack[])
89	{	106	{
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]);	107	PRINT_INFO_ERRCODE(stack);
93	panic("stack fault\n");	108	panic("stack fault\n");
94	}	109	}
95		110
96		111
97	void nm_fault(__u8 n, __native stack[])	112	void nm_fault(__u8 n, __native stack[])
98	{	113	{
99	reset_TS_flag();	114	reset_TS_flag();
100	if ((CPU->fpu_owner)!=NULL) {	115	if ((CPU->fpu_owner)!=NULL) {
101	fpu_lazy_context_save(&((CPU->fpu_owner)->saved_fpu_context));	116	fpu_lazy_context_save(&((CPU->fpu_owner)->saved_fpu_context));
102	(CPU->fpu_owner)->fpu_context_engaged=0; /* don't prevent migration */	117	(CPU->fpu_owner)->fpu_context_engaged=0; /* don't prevent migration */
103	}	118	}
104	if(THREAD->fpu_context_exists) fpu_lazy_context_restore(&(THREAD->saved_fpu_context));	119	if(THREAD->fpu_context_exists) fpu_lazy_context_restore(&(THREAD->saved_fpu_context));
105	else {fpu_init();THREAD->fpu_context_exists=1;}	120	else {fpu_init();THREAD->fpu_context_exists=1;}
106	CPU->fpu_owner=THREAD;	121	CPU->fpu_owner=THREAD;
107	}	122	}
108		123
109		124
110		125
111	void page_fault(__u8 n, __native stack[])	126	void page_fault(__u8 n, __native stack[])
112	{	127	{
-		128	PRINT_INFO_ERRCODE(stack);
113	printf("page fault address: %Q\n", read_cr2());	129	printf("Page fault address: %Q\n", read_cr2());
114	printf("ERROR_WORD=%Q, %%rip=%Q, %%rcs=%Q, flags=%Q\n", stack[0], stack[1], stack[2], stack[3]);	-
115	printf("%%rax=%Q, %%rbx=%Q, %%rcx=%Q, %%rdx=%Q,\n%%rsi=%Q, %%rdi=%Q\n",	-
116	stack[-1], stack[-2], stack[-3], stack[-4], stack[-5], stack[-6]);	-
117		-
118	printf("stack: %X, %X, %X, %X\n", stack[5], stack[6], stack[7], stack[8]);	-
119	panic("page fault\n");	130	panic("page fault\n");
120	}	131	}
121		132
122	void syscall(__u8 n, __native stack[])	133	void syscall(__u8 n, __native stack[])
123	{	134	{
124	printf("cpu%d: syscall\n", CPU->id);	135	printf("cpu%d: syscall\n", CPU->id);
125	thread_usleep(1000);	136	thread_usleep(1000);
126	}	137	}
127		138
128	void tlb_shootdown_ipi(__u8 n, __native stack[])	139	void tlb_shootdown_ipi(__u8 n, __native stack[])
129	{	140	{
130	trap_virtual_eoi();	141	trap_virtual_eoi();
131	tlb_shootdown_ipi_recv();	142	tlb_shootdown_ipi_recv();
132	}	143	}
133		144
134	void wakeup_ipi(__u8 n, __native stack[])	145	void wakeup_ipi(__u8 n, __native stack[])
135	{	146	{
136	trap_virtual_eoi();	147	trap_virtual_eoi();
137	}	148	}
138		149
139	void trap_virtual_enable_irqs(__u16 irqmask)	150	void trap_virtual_enable_irqs(__u16 irqmask)
140	{	151	{
141	if (enable_irqs_function)	152	if (enable_irqs_function)
142	enable_irqs_function(irqmask);	153	enable_irqs_function(irqmask);
143	else	154	else
144	panic("no enable_irqs_function\n");	155	panic("no enable_irqs_function\n");
145	}	156	}
146		157
147	void trap_virtual_disable_irqs(__u16 irqmask)	158	void trap_virtual_disable_irqs(__u16 irqmask)
148	{	159	{
149	if (disable_irqs_function)	160	if (disable_irqs_function)
150	disable_irqs_function(irqmask);	161	disable_irqs_function(irqmask);
151	else	162	else
152	panic("no disable_irqs_function\n");	163	panic("no disable_irqs_function\n");
153	}	164	}
154		165
155	void trap_virtual_eoi(void)	166	void trap_virtual_eoi(void)
156	{	167	{
157	if (eoi_function)	168	if (eoi_function)
158	eoi_function();	169	eoi_function();
159	else	170	else
160	panic("no eoi_function\n");	171	panic("no eoi_function\n");
161		172
162	}	173	}
163		174

Subversion Repositories HelenOS-historic

(root)/kernel/trunk/arch/amd64/src/interrupt.c @ 1780 – Rev 226 → 268