WebSVN – HelenOS-historic – Diff – /kernel/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 <syscall/syscall.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 <mm/as.h>
#include <arch.h>
#include <symtab.h>
#include <proc/thread.h>
#include <proc/task.h>
#include <synch/spinlock.h>
#include <arch/ddi/ddi.h>
 
/*
 * Interrupt and exception dispatching.
 */
 
void (* disable_irqs_function)(__u16 irqmask) = NULL;
void (* enable_irqs_function)(__u16 irqmask) = NULL;
void (* eoi_function)(void) = NULL;
 
static void PRINT_INFO_ERRCODE(istate_t *istate)
{
    char *symbol = get_symtab_entry(istate->eip);
 
    if (!symbol)
        symbol = "";
 
    if (CPU)
        printf("----------------EXCEPTION OCCURED (cpu%d)----------------\n", CPU->id);
    else
        printf("----------------EXCEPTION OCCURED----------------\n");
       
    printf("%%eip: %#x (%s)\n",istate->eip,symbol);
    printf("ERROR_WORD=%#x\n", istate->error_word);
    printf("%%cs=%#x,flags=%#x\n", istate->cs, istate->eflags);
    printf("%%eax=%#x, %%ecx=%#x, %%edx=%#x, %%esp=%#x\n",  istate->eax,istate->ecx,istate->edx,&istate->stack[0]);
#ifdef CONFIG_DEBUG_ALLREGS
    printf("%%esi=%#x, %%edi=%#x, %%ebp=%#x, %%ebx=%#x\n",  istate->esi,istate->edi,istate->ebp,istate->ebx);
#endif
    printf("stack: %#x, %#x, %#x, %#x\n", istate->stack[0], istate->stack[1], istate->stack[2], istate->stack[3]);
    printf("       %#x, %#x, %#x, %#x\n", istate->stack[4], istate->stack[5], istate->stack[6], istate->stack[7]);
}
 
void null_interrupt(int n, istate_t *istate)
{
    PRINT_INFO_ERRCODE(istate);
    panic("unserviced interrupt: %d\n", n);
}
 
/** General Protection Fault. */
void gp_fault(int n, istate_t *istate)
{
    if (TASK) {
        count_t ver;
       
        spinlock_lock(&TASK->lock);
        ver = TASK->arch.iomapver;
        spinlock_unlock(&TASK->lock);
   
        if (CPU->arch.iomapver_copy != ver) {
            /*
             * This fault can be caused by an early access
             * to I/O port because of an out-dated
             * I/O Permission bitmap installed on CPU.
             * Install the fresh copy and restart
             * the instruction.
             */
            io_perm_bitmap_install();
            return;
        }
    }
 
    PRINT_INFO_ERRCODE(istate);
    panic("general protection fault\n");
}
 
void ss_fault(int n, istate_t *istate)
{
    PRINT_INFO_ERRCODE(istate);
    panic("stack fault\n");
}
 
void simd_fp_exception(int n, istate_t *istate)
{
 
    PRINT_INFO_ERRCODE(istate);
    __u32 mxcsr;
    asm
    (
        "stmxcsr %0;\n"
        :"=m"(mxcsr)
    );
    printf("MXCSR: %#zX\n",(__native)(mxcsr));
    panic("SIMD FP exception(19)\n");
}
 
void nm_fault(int n, istate_t *istate)
{
#ifdef CONFIG_FPU_LAZY     
    scheduler_fpu_lazy_request();
#else
    panic("fpu fault");
#endif
}
 
void page_fault(int n, istate_t *istate)
{
    __address page;
 
    page = read_cr2();
    if (!as_page_fault(page)) {
        PRINT_INFO_ERRCODE(istate);
        printf("page fault address: %#x\n", page);
        panic("page fault\n");
    }
}
 
void syscall(int n, istate_t *istate)
{
    panic("Obsolete syscall handler.");
}
 
void tlb_shootdown_ipi(int n, istate_t *istate)
{
    trap_virtual_eoi();
    tlb_shootdown_ipi_recv();
}
 
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 1221	Rev 1256
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 <syscall/syscall.h>	30	#include <syscall/syscall.h>
31	#include <print.h>	31	#include <print.h>
32	#include <debug.h>	32	#include <debug.h>
33	#include <panic.h>	33	#include <panic.h>
34	#include <arch/i8259.h>	34	#include <arch/i8259.h>
35	#include <func.h>	35	#include <func.h>
36	#include <cpu.h>	36	#include <cpu.h>
37	#include <arch/asm.h>	37	#include <arch/asm.h>
38	#include <mm/tlb.h>	38	#include <mm/tlb.h>
39	#include <mm/as.h>	39	#include <mm/as.h>
40	#include <arch.h>	40	#include <arch.h>
41	#include <symtab.h>	41	#include <symtab.h>
42	#include <proc/thread.h>	42	#include <proc/thread.h>
-		43	#include <proc/task.h>
-		44	#include <synch/spinlock.h>
-		45	#include <arch/ddi/ddi.h>
43		46
44	/*	47	/*
45	* Interrupt and exception dispatching.	48	* Interrupt and exception dispatching.
46	*/	49	*/
47		50
48	void (* disable_irqs_function)(__u16 irqmask) = NULL;	51	void (* disable_irqs_function)(__u16 irqmask) = NULL;
49	void (* enable_irqs_function)(__u16 irqmask) = NULL;	52	void (* enable_irqs_function)(__u16 irqmask) = NULL;
50	void (* eoi_function)(void) = NULL;	53	void (* eoi_function)(void) = NULL;
51		54
52	static void PRINT_INFO_ERRCODE(istate_t *istate)	55	static void PRINT_INFO_ERRCODE(istate_t *istate)
53	{	56	{
54	char *symbol = get_symtab_entry(istate->eip);	57	char *symbol = get_symtab_entry(istate->eip);
55		58
56	if (!symbol)	59	if (!symbol)
57	symbol = "";	60	symbol = "";
58		61
59	if (CPU)	62	if (CPU)
60	printf("----------------EXCEPTION OCCURED (cpu%d)----------------\n", CPU->id);	63	printf("----------------EXCEPTION OCCURED (cpu%d)----------------\n", CPU->id);
61	else	64	else
62	printf("----------------EXCEPTION OCCURED----------------\n");	65	printf("----------------EXCEPTION OCCURED----------------\n");
63		66
64	printf("%%eip: %#x (%s)\n",istate->eip,symbol);	67	printf("%%eip: %#x (%s)\n",istate->eip,symbol);
65	printf("ERROR_WORD=%#x\n", istate->error_word);	68	printf("ERROR_WORD=%#x\n", istate->error_word);
66	printf("%%cs=%#x,flags=%#x\n", istate->cs, istate->eflags);	69	printf("%%cs=%#x,flags=%#x\n", istate->cs, istate->eflags);
67	printf("%%eax=%#x, %%ecx=%#x, %%edx=%#x, %%esp=%#x\n", istate->eax,istate->ecx,istate->edx,&istate->stack[0]);	70	printf("%%eax=%#x, %%ecx=%#x, %%edx=%#x, %%esp=%#x\n", istate->eax,istate->ecx,istate->edx,&istate->stack[0]);
68	#ifdef CONFIG_DEBUG_ALLREGS	71	#ifdef CONFIG_DEBUG_ALLREGS
69	printf("%%esi=%#x, %%edi=%#x, %%ebp=%#x, %%ebx=%#x\n", istate->esi,istate->edi,istate->ebp,istate->ebx);	72	printf("%%esi=%#x, %%edi=%#x, %%ebp=%#x, %%ebx=%#x\n", istate->esi,istate->edi,istate->ebp,istate->ebx);
70	#endif	73	#endif
71	printf("stack: %#x, %#x, %#x, %#x\n", istate->stack[0], istate->stack[1], istate->stack[2], istate->stack[3]);	74	printf("stack: %#x, %#x, %#x, %#x\n", istate->stack[0], istate->stack[1], istate->stack[2], istate->stack[3]);
72	printf(" %#x, %#x, %#x, %#x\n", istate->stack[4], istate->stack[5], istate->stack[6], istate->stack[7]);	75	printf(" %#x, %#x, %#x, %#x\n", istate->stack[4], istate->stack[5], istate->stack[6], istate->stack[7]);
73	}	76	}
74		77
75	void null_interrupt(int n, istate_t *istate)	78	void null_interrupt(int n, istate_t *istate)
76	{	79	{
77	PRINT_INFO_ERRCODE(istate);	80	PRINT_INFO_ERRCODE(istate);
78	panic("unserviced interrupt: %d\n", n);	81	panic("unserviced interrupt: %d\n", n);
79	}	82	}
80		83
-		84	/** General Protection Fault. */
81	void gp_fault(int n, istate_t *istate)	85	void gp_fault(int n, istate_t *istate)
82	{	86	{
-		87	if (TASK) {
-		88	count_t ver;
-		89
-		90	spinlock_lock(&TASK->lock);
-		91	ver = TASK->arch.iomapver;
-		92	spinlock_unlock(&TASK->lock);
-		93
-		94	if (CPU->arch.iomapver_copy != ver) {
-		95	/*
-		96	* This fault can be caused by an early access
-		97	* to I/O port because of an out-dated
-		98	* I/O Permission bitmap installed on CPU.
-		99	* Install the fresh copy and restart
-		100	* the instruction.
-		101	*/
-		102	io_perm_bitmap_install();
-		103	return;
-		104	}
-		105	}
-		106
83	PRINT_INFO_ERRCODE(istate);	107	PRINT_INFO_ERRCODE(istate);
84	panic("general protection fault\n");	108	panic("general protection fault\n");
85	}	109	}
86		110
87	void ss_fault(int n, istate_t *istate)	111	void ss_fault(int n, istate_t *istate)
88	{	112	{
89	PRINT_INFO_ERRCODE(istate);	113	PRINT_INFO_ERRCODE(istate);
90	panic("stack fault\n");	114	panic("stack fault\n");
91	}	115	}
92		116
93	void simd_fp_exception(int n, istate_t *istate)	117	void simd_fp_exception(int n, istate_t *istate)
94	{	118	{
95		119
96	PRINT_INFO_ERRCODE(istate);	120	PRINT_INFO_ERRCODE(istate);
97	__u32 mxcsr;	121	__u32 mxcsr;
98	asm	122	asm
99	(	123	(
100	"stmxcsr %0;\n"	124	"stmxcsr %0;\n"
101	:"=m"(mxcsr)	125	:"=m"(mxcsr)
102	);	126	);
103	printf("MXCSR: %#zX\n",(__native)(mxcsr));	127	printf("MXCSR: %#zX\n",(__native)(mxcsr));
104	panic("SIMD FP exception(19)\n");	128	panic("SIMD FP exception(19)\n");
105	}	129	}
106		130
107	void nm_fault(int n, istate_t *istate)	131	void nm_fault(int n, istate_t *istate)
108	{	132	{
109	#ifdef CONFIG_FPU_LAZY	133	#ifdef CONFIG_FPU_LAZY
110	scheduler_fpu_lazy_request();	134	scheduler_fpu_lazy_request();
111	#else	135	#else
112	panic("fpu fault");	136	panic("fpu fault");
113	#endif	137	#endif
114	}	138	}
115		139
116	void page_fault(int n, istate_t *istate)	140	void page_fault(int n, istate_t *istate)
117	{	141	{
118	__address page;	142	__address page;
119		143
120	page = read_cr2();	144	page = read_cr2();
121	if (!as_page_fault(page)) {	145	if (!as_page_fault(page)) {
122	PRINT_INFO_ERRCODE(istate);	146	PRINT_INFO_ERRCODE(istate);
123	printf("page fault address: %#x\n", page);	147	printf("page fault address: %#x\n", page);
124	panic("page fault\n");	148	panic("page fault\n");
125	}	149	}
126	}	150	}
127		151
128	void syscall(int n, istate_t *istate)	152	void syscall(int n, istate_t *istate)
129	{	153	{
130	panic("Obsolete syscall handler.");	154	panic("Obsolete syscall handler.");
131	}	155	}
132		156
133	void tlb_shootdown_ipi(int n, istate_t *istate)	157	void tlb_shootdown_ipi(int n, istate_t *istate)
134	{	158	{
135	trap_virtual_eoi();	159	trap_virtual_eoi();
136	tlb_shootdown_ipi_recv();	160	tlb_shootdown_ipi_recv();
137	}	161	}
138		162
139	void trap_virtual_enable_irqs(__u16 irqmask)	163	void trap_virtual_enable_irqs(__u16 irqmask)
140	{	164	{
141	if (enable_irqs_function)	165	if (enable_irqs_function)
142	enable_irqs_function(irqmask);	166	enable_irqs_function(irqmask);
143	else	167	else
144	panic("no enable_irqs_function\n");	168	panic("no enable_irqs_function\n");
145	}	169	}
146		170
147	void trap_virtual_disable_irqs(__u16 irqmask)	171	void trap_virtual_disable_irqs(__u16 irqmask)
148	{	172	{
149	if (disable_irqs_function)	173	if (disable_irqs_function)
150	disable_irqs_function(irqmask);	174	disable_irqs_function(irqmask);
151	else	175	else
152	panic("no disable_irqs_function\n");	176	panic("no disable_irqs_function\n");
153	}	177	}
154		178
155	void trap_virtual_eoi(void)	179	void trap_virtual_eoi(void)
156	{	180	{
157	if (eoi_function)	181	if (eoi_function)
158	eoi_function();	182	eoi_function();
159	else	183	else
160	panic("no eoi_function\n");	184	panic("no eoi_function\n");
161		185
162	}	186	}
163		187

Subversion Repositories HelenOS-historic

(root)/kernel/trunk/arch/ia32/src/interrupt.c – Rev 1221 → 1256