WebSVN – HelenOS – Diff – /trunk/kernel/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>
#include <arch/asm.h>
 
 
 
static void messy_stack_trace(__native *stack)
{
    __native *upper_limit = (__native *)(((__native)THREAD->kstack) + STACK_SIZE);
    char *symbol;
 
    printf("Stack contents: ");
    while (stack < upper_limit) {
        symbol = get_symtab_entry((__address)*stack);
        if (symbol)
            printf("%s, ", symbol);
        stack++;
    }
    printf("\n");
}
 
static void print_info_errcode(__u8 n, __native x[])
{
    char *symbol;
 
    if (!(symbol=get_symtab_entry(x[1])))
        symbol = "";
 
    printf("-----EXCEPTION(%d) OCCURED----- ( %s )\n",n,__FUNCTION__);
    printf("%%rip: %Q (%s)\n",x[1],symbol);
    printf("ERROR_WORD=%Q\n", x[0]);
    printf("%%rcs=%Q,flags=%Q, %%cr0=%Q\n", x[2], x[3],read_cr0());
    printf("%%rax=%Q, %%rbx=%Q, %%rcx=%Q\n",x[-2],x[-3],x[-4]);
    printf("%%rdx=%Q, %%rsi=%Q, %%rdi=%Q\n",x[-5],x[-6],x[-7]);
    printf("%%r8 =%Q, %%r9 =%Q, %%r10=%Q\n",x[-8],x[-9],x[-10]);
    printf("%%r11=%Q, %%r12=%Q, %%r13=%Q\n",x[-11],x[-12],x[-13]);
    printf("%%r14=%Q, %%r15=%Q, %%rsp=%Q\n",x[-14],x[-15],x);
    printf("%%rbp=%Q\n",x[-1]);
    printf("stack: %Q, %Q, %Q\n", x[5], x[6], x[7]);
    printf("       %Q, %Q, %Q\n", x[8], x[9], x[10]);
    printf("       %Q, %Q, %Q\n", x[11], x[12], x[13]);
    printf("       %Q, %Q, %Q\n", x[14], x[15], x[16]);
    printf("       %Q, %Q, %Q\n", x[17], x[18], x[19]);
    printf("       %Q, %Q, %Q\n", x[20], x[21], x[22]);
    printf("       %Q, %Q, %Q\n", x[23], x[24], x[25]);
    messy_stack_trace(&x[5]);
}
 
/*
 * 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(%d) OCCURED----- ( %s )\n",n,__FUNCTION__); \
    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(n,stack);
    panic("general protection fault\n");
}
 
void ss_fault(__u8 n, __native stack[])
{
    print_info_errcode(n,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);
        /* don't prevent migration */
        CPU->fpu_owner->fpu_context_engaged=0;
    }
    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;
    THREAD->fpu_context_engaged = 1;
}
 
 
 
void page_fault(__u8 n, __native stack[])
{
    print_info_errcode(n,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 296	Rev 297
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 <arch/asm.h>	40	#include <arch/asm.h>
41		41
42		42
-		43
-		44	static void messy_stack_trace(__native *stack)
-		45	{
-		46	__native upper_limit = (__native )(((__native)THREAD->kstack) + STACK_SIZE);
-		47	char *symbol;
-		48
-		49	printf("Stack contents: ");
-		50	while (stack < upper_limit) {
-		51	symbol = get_symtab_entry((__address)*stack);
-		52	if (symbol)
-		53	printf("%s, ", symbol);
-		54	stack++;
-		55	}
-		56	printf("\n");
-		57	}
-		58
43	static void print_info_errcode(__u8 n, __native x[])	59	static void print_info_errcode(__u8 n, __native x[])
44	{	60	{
45	char *symbol;	61	char *symbol;
46		62
47	if (!(symbol=get_symtab_entry(x[1])))	63	if (!(symbol=get_symtab_entry(x[1])))
48	symbol = "";	64	symbol = "";
49		65
50	printf("-----EXCEPTION(%d) OCCURED----- ( %s )\n",n,__FUNCTION__);	66	printf("-----EXCEPTION(%d) OCCURED----- ( %s )\n",n,__FUNCTION__);
51	printf("%%rip: %Q (%s)\n",x[1],symbol);	67	printf("%%rip: %Q (%s)\n",x[1],symbol);
52	printf("ERROR_WORD=%Q\n", x[0]);	68	printf("ERROR_WORD=%Q\n", x[0]);
53	printf("%%rcs=%Q,flags=%Q, %%cr0=%Q\n", x[2], x[3],read_cr0());	69	printf("%%rcs=%Q,flags=%Q, %%cr0=%Q\n", x[2], x[3],read_cr0());
54	printf("%%rax=%Q, %%rbx=%Q, %%rcx=%Q\n",x[-2],x[-3],x[-4]);	70	printf("%%rax=%Q, %%rbx=%Q, %%rcx=%Q\n",x[-2],x[-3],x[-4]);
55	printf("%%rdx=%Q, %%rsi=%Q, %%rdi=%Q\n",x[-5],x[-6],x[-7]);	71	printf("%%rdx=%Q, %%rsi=%Q, %%rdi=%Q\n",x[-5],x[-6],x[-7]);
56	printf("%%r8 =%Q, %%r9 =%Q, %%r10=%Q\n",x[-8],x[-9],x[-10]);	72	printf("%%r8 =%Q, %%r9 =%Q, %%r10=%Q\n",x[-8],x[-9],x[-10]);
57	printf("%%r11=%Q, %%r12=%Q, %%r13=%Q\n",x[-11],x[-12],x[-13]);	73	printf("%%r11=%Q, %%r12=%Q, %%r13=%Q\n",x[-11],x[-12],x[-13]);
58	printf("%%r14=%Q, %%r15=%Q, %%rsp=%Q\n",x[-14],x[-15],x);	74	printf("%%r14=%Q, %%r15=%Q, %%rsp=%Q\n",x[-14],x[-15],x);
59	printf("%%rbp=%Q\n",x[-1]);	75	printf("%%rbp=%Q\n",x[-1]);
60	printf("stack: %Q, %Q, %Q\n", x[5], x[6], x[7]);	76	printf("stack: %Q, %Q, %Q\n", x[5], x[6], x[7]);
61	printf(" %Q, %Q, %Q\n", x[8], x[9], x[10]);	77	printf(" %Q, %Q, %Q\n", x[8], x[9], x[10]);
62	printf(" %Q, %Q, %Q\n", x[11], x[12], x[13]);	78	printf(" %Q, %Q, %Q\n", x[11], x[12], x[13]);
63	printf(" %Q, %Q, %Q\n", x[14], x[15], x[16]);	79	printf(" %Q, %Q, %Q\n", x[14], x[15], x[16]);
64	printf(" %Q, %Q, %Q\n", x[17], x[18], x[19]);	80	printf(" %Q, %Q, %Q\n", x[17], x[18], x[19]);
65	printf(" %Q, %Q, %Q\n", x[20], x[21], x[22]);	81	printf(" %Q, %Q, %Q\n", x[20], x[21], x[22]);
66	printf(" %Q, %Q, %Q\n", x[23], x[24], x[25]);	82	printf(" %Q, %Q, %Q\n", x[23], x[24], x[25]);
-		83	messy_stack_trace(&x[5]);
67	}	84	}
68		85
69	/*	86	/*
70	* Interrupt and exception dispatching.	87	* Interrupt and exception dispatching.
71	*/	88	*/
72		89
73	static iroutine ivt[IVT_ITEMS];	90	static iroutine ivt[IVT_ITEMS];
74		91
75	void (* disable_irqs_function)(__u16 irqmask) = NULL;	92	void (* disable_irqs_function)(__u16 irqmask) = NULL;
76	void (* enable_irqs_function)(__u16 irqmask) = NULL;	93	void (* enable_irqs_function)(__u16 irqmask) = NULL;
77	void (* eoi_function)(void) = NULL;	94	void (* eoi_function)(void) = NULL;
78		95
79	iroutine trap_register(__u8 n, iroutine f)	96	iroutine trap_register(__u8 n, iroutine f)
80	{	97	{
81	ASSERT(n < IVT_ITEMS);	98	ASSERT(n < IVT_ITEMS);
82		99
83	iroutine old;	100	iroutine old;
84		101
85	old = ivt[n];	102	old = ivt[n];
86	ivt[n] = f;	103	ivt[n] = f;
87		104
88	return old;	105	return old;
89	}	106	}
90		107
91	/*	108	/*
92	* Called directly from the assembler code.	109	* Called directly from the assembler code.
93	* CPU is cpu_priority_high().	110	* CPU is cpu_priority_high().
94	*/	111	*/
95	void trap_dispatcher(__u8 n, __native stack[])	112	void trap_dispatcher(__u8 n, __native stack[])
96	{	113	{
97	ASSERT(n < IVT_ITEMS);	114	ASSERT(n < IVT_ITEMS);
98		115
99	ivt[n](n, stack);	116	ivt[n](n, stack);
100	}	117	}
101		118
102	void null_interrupt(__u8 n, __native stack[])	119	void null_interrupt(__u8 n, __native stack[])
103	{	120	{
104	printf("-----EXCEPTION(%d) OCCURED----- ( %s )\n",n,__FUNCTION__); \	121	printf("-----EXCEPTION(%d) OCCURED----- ( %s )\n",n,__FUNCTION__); \
105	printf("stack: %L, %L, %L, %L\n", stack[0], stack[1], stack[2], stack[3]);	122	printf("stack: %L, %L, %L, %L\n", stack[0], stack[1], stack[2], stack[3]);
106	panic("unserviced interrupt\n");	123	panic("unserviced interrupt\n");
107	}	124	}
108		125
109	void gp_fault(__u8 n, __native stack[])	126	void gp_fault(__u8 n, __native stack[])
110	{	127	{
111	print_info_errcode(n,stack);	128	print_info_errcode(n,stack);
112	panic("general protection fault\n");	129	panic("general protection fault\n");
113	}	130	}
114		131
115	void ss_fault(__u8 n, __native stack[])	132	void ss_fault(__u8 n, __native stack[])
116	{	133	{
117	print_info_errcode(n,stack);	134	print_info_errcode(n,stack);
118	panic("stack fault\n");	135	panic("stack fault\n");
119	}	136	}
120		137
121		138
122	void nm_fault(__u8 n, __native stack[])	139	void nm_fault(__u8 n, __native stack[])
123	{	140	{
124	reset_TS_flag();	141	reset_TS_flag();
125	if (CPU->fpu_owner != NULL) {	142	if (CPU->fpu_owner != NULL) {
126	fpu_lazy_context_save(&CPU->fpu_owner->saved_fpu_context);	143	fpu_lazy_context_save(&CPU->fpu_owner->saved_fpu_context);
127	/* don't prevent migration */	144	/* don't prevent migration */
128	CPU->fpu_owner->fpu_context_engaged=0;	145	CPU->fpu_owner->fpu_context_engaged=0;
129	}	146	}
130	if (THREAD->fpu_context_exists)	147	if (THREAD->fpu_context_exists)
131	fpu_lazy_context_restore(&THREAD->saved_fpu_context);	148	fpu_lazy_context_restore(&THREAD->saved_fpu_context);
132	else {	149	else {
133	fpu_init();	150	fpu_init();
134	THREAD->fpu_context_exists=1;	151	THREAD->fpu_context_exists=1;
135	}	152	}
136	CPU->fpu_owner=THREAD;	153	CPU->fpu_owner=THREAD;
137	THREAD->fpu_context_engaged = 1;	154	THREAD->fpu_context_engaged = 1;
138	}	155	}
139		156
140		157
141		158
142	void page_fault(__u8 n, __native stack[])	159	void page_fault(__u8 n, __native stack[])
143	{	160	{
144	print_info_errcode(n,stack);	161	print_info_errcode(n,stack);
145	printf("Page fault address: %Q\n", read_cr2());	162	printf("Page fault address: %Q\n", read_cr2());
146	panic("page fault\n");	163	panic("page fault\n");
147	}	164	}
148		165
149	void syscall(__u8 n, __native stack[])	166	void syscall(__u8 n, __native stack[])
150	{	167	{
151	printf("cpu%d: syscall\n", CPU->id);	168	printf("cpu%d: syscall\n", CPU->id);
152	thread_usleep(1000);	169	thread_usleep(1000);
153	}	170	}
154		171
155	void tlb_shootdown_ipi(__u8 n, __native stack[])	172	void tlb_shootdown_ipi(__u8 n, __native stack[])
156	{	173	{
157	trap_virtual_eoi();	174	trap_virtual_eoi();
158	tlb_shootdown_ipi_recv();	175	tlb_shootdown_ipi_recv();
159	}	176	}
160		177
161	void wakeup_ipi(__u8 n, __native stack[])	178	void wakeup_ipi(__u8 n, __native stack[])
162	{	179	{
163	trap_virtual_eoi();	180	trap_virtual_eoi();
164	}	181	}
165		182
166	void trap_virtual_enable_irqs(__u16 irqmask)	183	void trap_virtual_enable_irqs(__u16 irqmask)
167	{	184	{
168	if (enable_irqs_function)	185	if (enable_irqs_function)
169	enable_irqs_function(irqmask);	186	enable_irqs_function(irqmask);
170	else	187	else
171	panic("no enable_irqs_function\n");	188	panic("no enable_irqs_function\n");
172	}	189	}
173		190
174	void trap_virtual_disable_irqs(__u16 irqmask)	191	void trap_virtual_disable_irqs(__u16 irqmask)
175	{	192	{
176	if (disable_irqs_function)	193	if (disable_irqs_function)
177	disable_irqs_function(irqmask);	194	disable_irqs_function(irqmask);
178	else	195	else
179	panic("no disable_irqs_function\n");	196	panic("no disable_irqs_function\n");
180	}	197	}
181		198
182	void trap_virtual_eoi(void)	199	void trap_virtual_eoi(void)
183	{	200	{
184	if (eoi_function)	201	if (eoi_function)
185	eoi_function();	202	eoi_function();
186	else	203	else
187	panic("no eoi_function\n");	204	panic("no eoi_function\n");
188		205
189	}	206	}
190		207

Subversion Repositories HelenOS

(root)/trunk/kernel/arch/amd64/src/interrupt.c @ 2071 – Rev 296 → 297