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/drivers/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>
#include <interrupt.h>
#include <ipc/irq.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)
{
    fault_if_from_uspace(istate, "unserviced interrupt: %d", n);
    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;
        }
        fault_if_from_uspace(istate, "general protection fault");
    }
 
    print_info_errcode(n, istate);
    panic("general protection fault\n");
}
 
void ss_fault(int n, istate_t *istate)
{
    fault_if_from_uspace(istate, "stack fault");
    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
    fault_if_from_uspace(istate, "fpu fault");
    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");
 
}
 
static void ipc_int(int n, istate_t *istate)
{
    trap_virtual_eoi();
    ipc_irq_send_notif(n-IVT_IRQBASE);
}
 
 
/* Reregister irq to be IPC-ready */
void irq_ipc_bind_arch(__native irq)
{
    if (irq == IRQ_CLK)
        return;
    exc_register(IVT_IRQBASE+irq, "ipc_int", ipc_int);
}
 

Rev 1477	Rev 1595
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/drivers/i8259.h>	33	#include <arch/drivers/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>	44	#include <proc/task.h>
45	#include <synch/spinlock.h>	45	#include <synch/spinlock.h>
46	#include <arch/ddi/ddi.h>	46	#include <arch/ddi/ddi.h>
47	#include <interrupt.h>	47	#include <interrupt.h>
48	#include <ipc/irq.h>	48	#include <ipc/irq.h>
49		49
50	void print_info_errcode(int n, istate_t *istate)	50	void print_info_errcode(int n, istate_t *istate)
51	{	51	{
52	char *symbol;	52	char *symbol;
53	/* __u64 x = &istate->stack[0]; /	53	/* __u64 x = &istate->stack[0]; /
54		54
55	if (!(symbol=get_symtab_entry(istate->rip)))	55	if (!(symbol=get_symtab_entry(istate->rip)))
56	symbol = "";	56	symbol = "";
57		57
58	printf("-----EXCEPTION(%d) OCCURED----- ( %s )\n",n, __FUNCTION__);	58	printf("-----EXCEPTION(%d) OCCURED----- ( %s )\n",n, __FUNCTION__);
59	printf("%%rip: %#llX (%s)\n",istate->rip, symbol);	59	printf("%%rip: %#llX (%s)\n",istate->rip, symbol);
60	printf("ERROR_WORD=%#llX\n", istate->error_word);	60	printf("ERROR_WORD=%#llX\n", istate->error_word);
61	printf("%%rcs=%#llX, flags=%#llX, %%cr0=%#llX\n", istate->cs, istate->rflags,read_cr0());	61	printf("%%rcs=%#llX, flags=%#llX, %%cr0=%#llX\n", istate->cs, istate->rflags,read_cr0());
62	printf("%%rax=%#llX, %%rcx=%#llX, %%rdx=%#llX\n",istate->rax,istate->rcx,istate->rdx);	62	printf("%%rax=%#llX, %%rcx=%#llX, %%rdx=%#llX\n",istate->rax,istate->rcx,istate->rdx);
63	printf("%%rsi=%#llX, %%rdi=%#llX, %%r8 =%#llX\n",istate->rsi,istate->rdi,istate->r8);	63	printf("%%rsi=%#llX, %%rdi=%#llX, %%r8 =%#llX\n",istate->rsi,istate->rdi,istate->r8);
64	printf("%%r9 =%#llX, %%r10 =%#llX, %%r11=%#llX\n",istate->r9,istate->r10,istate->r11);	64	printf("%%r9 =%#llX, %%r10 =%#llX, %%r11=%#llX\n",istate->r9,istate->r10,istate->r11);
65	#ifdef CONFIG_DEBUG_ALLREGS	65	#ifdef CONFIG_DEBUG_ALLREGS
66	printf("%%r12=%#llX, %%r13=%#llX, %%r14=%#llX\n",istate->r12,istate->r13,istate->r14);	66	printf("%%r12=%#llX, %%r13=%#llX, %%r14=%#llX\n",istate->r12,istate->r13,istate->r14);
67	printf("%%r15=%#llX, %%rbx=%#llX, %%rbp=%#llX\n",istate->r15,istate->rbx,&istate->rbp);	67	printf("%%r15=%#llX, %%rbx=%#llX, %%rbp=%#llX\n",istate->r15,istate->rbx,&istate->rbp);
68	#endif	68	#endif
69	printf("%%rsp=%#llX\n",&istate->stack[0]);	69	printf("%%rsp=%#llX\n",&istate->stack[0]);
70	}	70	}
71		71
72	/*	72	/*
73	* Interrupt and exception dispatching.	73	* Interrupt and exception dispatching.
74	*/	74	*/
75		75
76	void (* disable_irqs_function)(__u16 irqmask) = NULL;	76	void (* disable_irqs_function)(__u16 irqmask) = NULL;
77	void (* enable_irqs_function)(__u16 irqmask) = NULL;	77	void (* enable_irqs_function)(__u16 irqmask) = NULL;
78	void (* eoi_function)(void) = NULL;	78	void (* eoi_function)(void) = NULL;
79		79
80	void null_interrupt(int n, istate_t *istate)	80	void null_interrupt(int n, istate_t *istate)
81	{	81	{
-		82	fault_if_from_uspace(istate, "unserviced interrupt: %d", n);
82	print_info_errcode(n, istate);	83	print_info_errcode(n, istate);
83	panic("unserviced interrupt\n");	84	panic("unserviced interrupt\n");
84	}	85	}
85		86
86	/** General Protection Fault. */	87	/** General Protection Fault. */
87	void gp_fault(int n, istate_t *istate)	88	void gp_fault(int n, istate_t *istate)
88	{	89	{
89	if (TASK) {	90	if (TASK) {
90	count_t ver;	91	count_t ver;
91		92
92	spinlock_lock(&TASK->lock);	93	spinlock_lock(&TASK->lock);
93	ver = TASK->arch.iomapver;	94	ver = TASK->arch.iomapver;
94	spinlock_unlock(&TASK->lock);	95	spinlock_unlock(&TASK->lock);
95		96
96	if (CPU->arch.iomapver_copy != ver) {	97	if (CPU->arch.iomapver_copy != ver) {
97	/*	98	/*
98	* This fault can be caused by an early access	99	* This fault can be caused by an early access
99	* to I/O port because of an out-dated	100	* to I/O port because of an out-dated
100	* I/O Permission bitmap installed on CPU.	101	* I/O Permission bitmap installed on CPU.
101	* Install the fresh copy and restart	102	* Install the fresh copy and restart
102	* the instruction.	103	* the instruction.
103	*/	104	*/
104	io_perm_bitmap_install();	105	io_perm_bitmap_install();
105	return;	106	return;
106	}	107	}
-		108	fault_if_from_uspace(istate, "general protection fault");
107	}	109	}
108		110
109	print_info_errcode(n, istate);	111	print_info_errcode(n, istate);
110	panic("general protection fault\n");	112	panic("general protection fault\n");
111	}	113	}
112		114
113	void ss_fault(int n, istate_t *istate)	115	void ss_fault(int n, istate_t *istate)
114	{	116	{
-		117	fault_if_from_uspace(istate, "stack fault");
115	print_info_errcode(n, istate);	118	print_info_errcode(n, istate);
116	panic("stack fault\n");	119	panic("stack fault\n");
117	}	120	}
118		121
119	void nm_fault(int n, istate_t *istate)	122	void nm_fault(int n, istate_t *istate)
120	{	123	{
121	#ifdef CONFIG_FPU_LAZY	124	#ifdef CONFIG_FPU_LAZY
122	scheduler_fpu_lazy_request();	125	scheduler_fpu_lazy_request();
123	#else	126	#else
-		127	fault_if_from_uspace(istate, "fpu fault");
124	panic("fpu fault");	128	panic("fpu fault");
125	#endif	129	#endif
126	}	130	}
127		131
128	void tlb_shootdown_ipi(int n, istate_t *istate)	132	void tlb_shootdown_ipi(int n, istate_t *istate)
129	{	133	{
130	trap_virtual_eoi();	134	trap_virtual_eoi();
131	tlb_shootdown_ipi_recv();	135	tlb_shootdown_ipi_recv();
132	}	136	}
133		137
134	void trap_virtual_enable_irqs(__u16 irqmask)	138	void trap_virtual_enable_irqs(__u16 irqmask)
135	{	139	{
136	if (enable_irqs_function)	140	if (enable_irqs_function)
137	enable_irqs_function(irqmask);	141	enable_irqs_function(irqmask);
138	else	142	else
139	panic("no enable_irqs_function\n");	143	panic("no enable_irqs_function\n");
140	}	144	}
141		145
142	void trap_virtual_disable_irqs(__u16 irqmask)	146	void trap_virtual_disable_irqs(__u16 irqmask)
143	{	147	{
144	if (disable_irqs_function)	148	if (disable_irqs_function)
145	disable_irqs_function(irqmask);	149	disable_irqs_function(irqmask);
146	else	150	else
147	panic("no disable_irqs_function\n");	151	panic("no disable_irqs_function\n");
148	}	152	}
149		153
150	void trap_virtual_eoi(void)	154	void trap_virtual_eoi(void)
151	{	155	{
152	if (eoi_function)	156	if (eoi_function)
153	eoi_function();	157	eoi_function();
154	else	158	else
155	panic("no eoi_function\n");	159	panic("no eoi_function\n");
156		160
157	}	161	}
158		162
159	static void ipc_int(int n, istate_t *istate)	163	static void ipc_int(int n, istate_t *istate)
160	{	164	{
161	trap_virtual_eoi();	165	trap_virtual_eoi();
162	ipc_irq_send_notif(n-IVT_IRQBASE);	166	ipc_irq_send_notif(n-IVT_IRQBASE);
163	}	167	}
164		168
165		169
166	/* Reregister irq to be IPC-ready */	170	/* Reregister irq to be IPC-ready */
167	void irq_ipc_bind_arch(__native irq)	171	void irq_ipc_bind_arch(__native irq)
168	{	172	{
169	if (irq == IRQ_CLK)	173	if (irq == IRQ_CLK)
170	return;	174	return;
171	exc_register(IVT_IRQBASE+irq, "ipc_int", ipc_int);	175	exc_register(IVT_IRQBASE+irq, "ipc_int", ipc_int);
172	}	176	}
173		177

Subversion Repositories HelenOS-historic

(root)/kernel/trunk/arch/amd64/src/interrupt.c @ 1477 – Rev 1477 → 1595