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 <mm/as.h>
#include <arch.h>
#include <symtab.h>
#include <arch/asm.h>
#include <proc/scheduler.h>
#include <proc/thread.h>
#include <proc/task.h>
#include <synch/spinlock.h>
#include <arch/ddi/ddi.h>
 
void print_info_errcode(int n, istate_t *istate)
{
    char *symbol;
/*  __u64 *x = &istate->stack[0]; */
 
    if (!(symbol=get_symtab_entry(istate->rip)))
        symbol = "";
 
    printf("-----EXCEPTION(%d) OCCURED----- ( %s )\n",n, __FUNCTION__);
    printf("%%rip: %#llX (%s)\n",istate->rip, symbol);
    printf("ERROR_WORD=%#llX\n", istate->error_word);
    printf("%%rcs=%#llX, flags=%#llX, %%cr0=%#llX\n", istate->cs, istate->rflags,read_cr0());
    printf("%%rax=%#llX, %%rcx=%#llX, %%rdx=%#llX\n",istate->rax,istate->rcx,istate->rdx);
    printf("%%rsi=%#llX, %%rdi=%#llX, %%r8 =%#llX\n",istate->rsi,istate->rdi,istate->r8);
    printf("%%r9 =%#llX, %%r10 =%#llX, %%r11=%#llX\n",istate->r9,istate->r10,istate->r11);
#ifdef CONFIG_DEBUG_ALLREGS 
    printf("%%r12=%#llX, %%r13=%#llX, %%r14=%#llX\n",istate->r12,istate->r13,istate->r14);
    printf("%%r15=%#llX, %%rbx=%#llX, %%rbp=%#llX\n",istate->r15,istate->rbx,&istate->rbp);
#endif
    printf("%%rsp=%#llX\n",&istate->stack[0]);
}
 
/*
 * Interrupt and exception dispatching.
 */
 
void (* disable_irqs_function)(__u16 irqmask) = NULL;
void (* enable_irqs_function)(__u16 irqmask) = NULL;
void (* eoi_function)(void) = NULL;
 
void null_interrupt(int n, istate_t *istate)
{
    print_info_errcode(n, istate);
    panic("unserviced interrupt\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(n, istate);
    panic("general protection fault\n");
}
 
void ss_fault(int n, istate_t *istate)
{
    print_info_errcode(n, istate);
    panic("stack fault\n");
}
 
void nm_fault(int n, istate_t *istate)
{
#ifdef CONFIG_FPU_LAZY     
    scheduler_fpu_lazy_request();
#else
    panic("fpu fault");
#endif
}
 
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 1196	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 <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 <mm/as.h>	38	#include <mm/as.h>
39	#include <arch.h>	39	#include <arch.h>
40	#include <symtab.h>	40	#include <symtab.h>
41	#include <arch/asm.h>	41	#include <arch/asm.h>
42	#include <proc/scheduler.h>	42	#include <proc/scheduler.h>
43	#include <proc/thread.h>	43	#include <proc/thread.h>
-		44	#include <proc/task.h>
-		45	#include <synch/spinlock.h>
-		46	#include <arch/ddi/ddi.h>
44		47
45	void print_info_errcode(int n, istate_t *istate)	48	void print_info_errcode(int n, istate_t *istate)
46	{	49	{
47	char *symbol;	50	char *symbol;
48	/* __u64 x = &istate->stack[0]; /	51	/* __u64 x = &istate->stack[0]; /
49		52
50	if (!(symbol=get_symtab_entry(istate->rip)))	53	if (!(symbol=get_symtab_entry(istate->rip)))
51	symbol = "";	54	symbol = "";
52		55
53	printf("-----EXCEPTION(%d) OCCURED----- ( %s )\n",n, __FUNCTION__);	56	printf("-----EXCEPTION(%d) OCCURED----- ( %s )\n",n, __FUNCTION__);
54	printf("%%rip: %#llX (%s)\n",istate->rip, symbol);	57	printf("%%rip: %#llX (%s)\n",istate->rip, symbol);
55	printf("ERROR_WORD=%#llX\n", istate->error_word);	58	printf("ERROR_WORD=%#llX\n", istate->error_word);
56	printf("%%rcs=%#llX, flags=%#llX, %%cr0=%#llX\n", istate->cs, istate->rflags,read_cr0());	59	printf("%%rcs=%#llX, flags=%#llX, %%cr0=%#llX\n", istate->cs, istate->rflags,read_cr0());
57	printf("%%rax=%#llX, %%rcx=%#llX, %%rdx=%#llX\n",istate->rax,istate->rcx,istate->rdx);	60	printf("%%rax=%#llX, %%rcx=%#llX, %%rdx=%#llX\n",istate->rax,istate->rcx,istate->rdx);
58	printf("%%rsi=%#llX, %%rdi=%#llX, %%r8 =%#llX\n",istate->rsi,istate->rdi,istate->r8);	61	printf("%%rsi=%#llX, %%rdi=%#llX, %%r8 =%#llX\n",istate->rsi,istate->rdi,istate->r8);
59	printf("%%r9 =%#llX, %%r10 =%#llX, %%r11=%#llX\n",istate->r9,istate->r10,istate->r11);	62	printf("%%r9 =%#llX, %%r10 =%#llX, %%r11=%#llX\n",istate->r9,istate->r10,istate->r11);
60	#ifdef CONFIG_DEBUG_ALLREGS	63	#ifdef CONFIG_DEBUG_ALLREGS
61	printf("%%r12=%#llX, %%r13=%#llX, %%r14=%#llX\n",istate->r12,istate->r13,istate->r14);	64	printf("%%r12=%#llX, %%r13=%#llX, %%r14=%#llX\n",istate->r12,istate->r13,istate->r14);
62	printf("%%r15=%#llX, %%rbx=%#llX, %%rbp=%#llX\n",istate->r15,istate->rbx,&istate->rbp);	65	printf("%%r15=%#llX, %%rbx=%#llX, %%rbp=%#llX\n",istate->r15,istate->rbx,&istate->rbp);
63	#endif	66	#endif
64	printf("%%rsp=%#llX\n",&istate->stack[0]);	67	printf("%%rsp=%#llX\n",&istate->stack[0]);
65	}	68	}
66		69
67	/*	70	/*
68	* Interrupt and exception dispatching.	71	* Interrupt and exception dispatching.
69	*/	72	*/
70		73
71	void (* disable_irqs_function)(__u16 irqmask) = NULL;	74	void (* disable_irqs_function)(__u16 irqmask) = NULL;
72	void (* enable_irqs_function)(__u16 irqmask) = NULL;	75	void (* enable_irqs_function)(__u16 irqmask) = NULL;
73	void (* eoi_function)(void) = NULL;	76	void (* eoi_function)(void) = NULL;
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(n, istate);	80	print_info_errcode(n, istate);
78	panic("unserviced interrupt\n");	81	panic("unserviced interrupt\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(n, istate);	107	print_info_errcode(n, 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(n, istate);	113	print_info_errcode(n, istate);
90	panic("stack fault\n");	114	panic("stack fault\n");
91	}	115	}
92		116
93	void nm_fault(int n, istate_t *istate)	117	void nm_fault(int n, istate_t *istate)
94	{	118	{
95	#ifdef CONFIG_FPU_LAZY	119	#ifdef CONFIG_FPU_LAZY
96	scheduler_fpu_lazy_request();	120	scheduler_fpu_lazy_request();
97	#else	121	#else
98	panic("fpu fault");	122	panic("fpu fault");
99	#endif	123	#endif
100	}	124	}
101		125
102	void tlb_shootdown_ipi(int n, istate_t *istate)	126	void tlb_shootdown_ipi(int n, istate_t *istate)
103	{	127	{
104	trap_virtual_eoi();	128	trap_virtual_eoi();
105	tlb_shootdown_ipi_recv();	129	tlb_shootdown_ipi_recv();
106	}	130	}
107		131
108	void trap_virtual_enable_irqs(__u16 irqmask)	132	void trap_virtual_enable_irqs(__u16 irqmask)
109	{	133	{
110	if (enable_irqs_function)	134	if (enable_irqs_function)
111	enable_irqs_function(irqmask);	135	enable_irqs_function(irqmask);
112	else	136	else
113	panic("no enable_irqs_function\n");	137	panic("no enable_irqs_function\n");
114	}	138	}
115		139
116	void trap_virtual_disable_irqs(__u16 irqmask)	140	void trap_virtual_disable_irqs(__u16 irqmask)
117	{	141	{
118	if (disable_irqs_function)	142	if (disable_irqs_function)
119	disable_irqs_function(irqmask);	143	disable_irqs_function(irqmask);
120	else	144	else
121	panic("no disable_irqs_function\n");	145	panic("no disable_irqs_function\n");
122	}	146	}
123		147
124	void trap_virtual_eoi(void)	148	void trap_virtual_eoi(void)
125	{	149	{
126	if (eoi_function)	150	if (eoi_function)
127	eoi_function();	151	eoi_function();
128	else	152	else
129	panic("no eoi_function\n");	153	panic("no eoi_function\n");
130		154
131	}	155	}
132		156

Subversion Repositories HelenOS-historic

(root)/kernel/trunk/arch/amd64/src/interrupt.c – Rev 1196 → 1256