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.
 */
 
 /** @addtogroup amd64interrupt
 * @{
 */
/** @file
 */
 
#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;
/*  uint64_t *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)(uint16_t irqmask) = NULL;
void (* enable_irqs_function)(uint16_t 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(uint16_t irqmask)
{
    if (enable_irqs_function)
        enable_irqs_function(irqmask);
    else
        panic("no enable_irqs_function\n");
}
 
void trap_virtual_disable_irqs(uint16_t 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)
{
    ipc_irq_send_notif(n-IVT_IRQBASE);
    trap_virtual_eoi();
}
 
 
/* Reregister irq to be IPC-ready */
void irq_ipc_bind_arch(unative_t irq)
{
    if (irq == IRQ_CLK)
        return;
    exc_register(IVT_IRQBASE+irq, "ipc_int", ipc_int);
    trap_virtual_enable_irqs(1 << irq);
}
 
 /** @}
 */
 
 

Rev 1735	Rev 1780
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	/** @addtogroup amd64interrupt	29	/** @addtogroup amd64interrupt
30	* @{	30	* @{
31	*/	31	*/
32	/** @file	32	/** @file
33	*/	33	*/
34		34
35	#include <arch/interrupt.h>	35	#include <arch/interrupt.h>
36	#include <print.h>	36	#include <print.h>
37	#include <debug.h>	37	#include <debug.h>
38	#include <panic.h>	38	#include <panic.h>
39	#include <arch/drivers/i8259.h>	39	#include <arch/drivers/i8259.h>
40	#include <func.h>	40	#include <func.h>
41	#include <cpu.h>	41	#include <cpu.h>
42	#include <arch/asm.h>	42	#include <arch/asm.h>
43	#include <mm/tlb.h>	43	#include <mm/tlb.h>
44	#include <mm/as.h>	44	#include <mm/as.h>
45	#include <arch.h>	45	#include <arch.h>
46	#include <symtab.h>	46	#include <symtab.h>
47	#include <arch/asm.h>	47	#include <arch/asm.h>
48	#include <proc/scheduler.h>	48	#include <proc/scheduler.h>
49	#include <proc/thread.h>	49	#include <proc/thread.h>
50	#include <proc/task.h>	50	#include <proc/task.h>
51	#include <synch/spinlock.h>	51	#include <synch/spinlock.h>
52	#include <arch/ddi/ddi.h>	52	#include <arch/ddi/ddi.h>
53	#include <interrupt.h>	53	#include <interrupt.h>
54	#include <ipc/irq.h>	54	#include <ipc/irq.h>
55		55
56	void print_info_errcode(int n, istate_t *istate)	56	void print_info_errcode(int n, istate_t *istate)
57	{	57	{
58	char *symbol;	58	char *symbol;
59	/* __u64 x = &istate->stack[0]; /	59	/* uint64_t x = &istate->stack[0]; /
60		60
61	if (!(symbol=get_symtab_entry(istate->rip)))	61	if (!(symbol=get_symtab_entry(istate->rip)))
62	symbol = "";	62	symbol = "";
63		63
64	printf("-----EXCEPTION(%d) OCCURED----- ( %s )\n",n, __FUNCTION__);	64	printf("-----EXCEPTION(%d) OCCURED----- ( %s )\n",n, __FUNCTION__);
65	printf("%%rip: %#llx (%s)\n",istate->rip, symbol);	65	printf("%%rip: %#llx (%s)\n",istate->rip, symbol);
66	printf("ERROR_WORD=%#llx\n", istate->error_word);	66	printf("ERROR_WORD=%#llx\n", istate->error_word);
67	printf("%%rcs=%#llx, flags=%#llx, %%cr0=%#llx\n", istate->cs, istate->rflags, read_cr0());	67	printf("%%rcs=%#llx, flags=%#llx, %%cr0=%#llx\n", istate->cs, istate->rflags, read_cr0());
68	printf("%%rax=%#llx, %%rcx=%#llx, %%rdx=%#llx\n", istate->rax, istate->rcx, istate->rdx);	68	printf("%%rax=%#llx, %%rcx=%#llx, %%rdx=%#llx\n", istate->rax, istate->rcx, istate->rdx);
69	printf("%%rsi=%#llx, %%rdi=%#llx, %%r8 =%#llx\n", istate->rsi, istate->rdi, istate->r8);	69	printf("%%rsi=%#llx, %%rdi=%#llx, %%r8 =%#llx\n", istate->rsi, istate->rdi, istate->r8);
70	printf("%%r9 =%#llx, %%r10 =%#llx, %%r11=%#llx\n", istate->r9, istate->r10, istate->r11);	70	printf("%%r9 =%#llx, %%r10 =%#llx, %%r11=%#llx\n", istate->r9, istate->r10, istate->r11);
71	#ifdef CONFIG_DEBUG_ALLREGS	71	#ifdef CONFIG_DEBUG_ALLREGS
72	printf("%%r12=%#llx, %%r13=%#llx, %%r14=%#llx\n", istate->r12, istate->r13, istate->r14);	72	printf("%%r12=%#llx, %%r13=%#llx, %%r14=%#llx\n", istate->r12, istate->r13, istate->r14);
73	printf("%%r15=%#llx, %%rbx=%#llx, %%rbp=%#llx\n", istate->r15, istate->rbx, &istate->rbp);	73	printf("%%r15=%#llx, %%rbx=%#llx, %%rbp=%#llx\n", istate->r15, istate->rbx, &istate->rbp);
74	#endif	74	#endif
75	printf("%%rsp=%#llx\n", &istate->stack[0]);	75	printf("%%rsp=%#llx\n", &istate->stack[0]);
76	}	76	}
77		77
78	/*	78	/*
79	* Interrupt and exception dispatching.	79	* Interrupt and exception dispatching.
80	*/	80	*/
81		81
82	void (* disable_irqs_function)(__u16 irqmask) = NULL;	82	void (* disable_irqs_function)(uint16_t irqmask) = NULL;
83	void (* enable_irqs_function)(__u16 irqmask) = NULL;	83	void (* enable_irqs_function)(uint16_t irqmask) = NULL;
84	void (* eoi_function)(void) = NULL;	84	void (* eoi_function)(void) = NULL;
85		85
86	void null_interrupt(int n, istate_t *istate)	86	void null_interrupt(int n, istate_t *istate)
87	{	87	{
88	fault_if_from_uspace(istate, "unserviced interrupt: %d", n);	88	fault_if_from_uspace(istate, "unserviced interrupt: %d", n);
89	print_info_errcode(n, istate);	89	print_info_errcode(n, istate);
90	panic("unserviced interrupt\n");	90	panic("unserviced interrupt\n");
91	}	91	}
92		92
93	/** General Protection Fault. */	93	/** General Protection Fault. */
94	void gp_fault(int n, istate_t *istate)	94	void gp_fault(int n, istate_t *istate)
95	{	95	{
96	if (TASK) {	96	if (TASK) {
97	count_t ver;	97	count_t ver;
98		98
99	spinlock_lock(&TASK->lock);	99	spinlock_lock(&TASK->lock);
100	ver = TASK->arch.iomapver;	100	ver = TASK->arch.iomapver;
101	spinlock_unlock(&TASK->lock);	101	spinlock_unlock(&TASK->lock);
102		102
103	if (CPU->arch.iomapver_copy != ver) {	103	if (CPU->arch.iomapver_copy != ver) {
104	/*	104	/*
105	* This fault can be caused by an early access	105	* This fault can be caused by an early access
106	* to I/O port because of an out-dated	106	* to I/O port because of an out-dated
107	* I/O Permission bitmap installed on CPU.	107	* I/O Permission bitmap installed on CPU.
108	* Install the fresh copy and restart	108	* Install the fresh copy and restart
109	* the instruction.	109	* the instruction.
110	*/	110	*/
111	io_perm_bitmap_install();	111	io_perm_bitmap_install();
112	return;	112	return;
113	}	113	}
114	fault_if_from_uspace(istate, "general protection fault");	114	fault_if_from_uspace(istate, "general protection fault");
115	}	115	}
116		116
117	print_info_errcode(n, istate);	117	print_info_errcode(n, istate);
118	panic("general protection fault\n");	118	panic("general protection fault\n");
119	}	119	}
120		120
121	void ss_fault(int n, istate_t *istate)	121	void ss_fault(int n, istate_t *istate)
122	{	122	{
123	fault_if_from_uspace(istate, "stack fault");	123	fault_if_from_uspace(istate, "stack fault");
124	print_info_errcode(n, istate);	124	print_info_errcode(n, istate);
125	panic("stack fault\n");	125	panic("stack fault\n");
126	}	126	}
127		127
128	void nm_fault(int n, istate_t *istate)	128	void nm_fault(int n, istate_t *istate)
129	{	129	{
130	#ifdef CONFIG_FPU_LAZY	130	#ifdef CONFIG_FPU_LAZY
131	scheduler_fpu_lazy_request();	131	scheduler_fpu_lazy_request();
132	#else	132	#else
133	fault_if_from_uspace(istate, "fpu fault");	133	fault_if_from_uspace(istate, "fpu fault");
134	panic("fpu fault");	134	panic("fpu fault");
135	#endif	135	#endif
136	}	136	}
137		137
138	void tlb_shootdown_ipi(int n, istate_t *istate)	138	void tlb_shootdown_ipi(int n, istate_t *istate)
139	{	139	{
140	trap_virtual_eoi();	140	trap_virtual_eoi();
141	tlb_shootdown_ipi_recv();	141	tlb_shootdown_ipi_recv();
142	}	142	}
143		143
144	void trap_virtual_enable_irqs(__u16 irqmask)	144	void trap_virtual_enable_irqs(uint16_t irqmask)
145	{	145	{
146	if (enable_irqs_function)	146	if (enable_irqs_function)
147	enable_irqs_function(irqmask);	147	enable_irqs_function(irqmask);
148	else	148	else
149	panic("no enable_irqs_function\n");	149	panic("no enable_irqs_function\n");
150	}	150	}
151		151
152	void trap_virtual_disable_irqs(__u16 irqmask)	152	void trap_virtual_disable_irqs(uint16_t irqmask)
153	{	153	{
154	if (disable_irqs_function)	154	if (disable_irqs_function)
155	disable_irqs_function(irqmask);	155	disable_irqs_function(irqmask);
156	else	156	else
157	panic("no disable_irqs_function\n");	157	panic("no disable_irqs_function\n");
158	}	158	}
159		159
160	void trap_virtual_eoi(void)	160	void trap_virtual_eoi(void)
161	{	161	{
162	if (eoi_function)	162	if (eoi_function)
163	eoi_function();	163	eoi_function();
164	else	164	else
165	panic("no eoi_function\n");	165	panic("no eoi_function\n");
166		166
167	}	167	}
168		168
169	static void ipc_int(int n, istate_t *istate)	169	static void ipc_int(int n, istate_t *istate)
170	{	170	{
171	ipc_irq_send_notif(n-IVT_IRQBASE);	171	ipc_irq_send_notif(n-IVT_IRQBASE);
172	trap_virtual_eoi();	172	trap_virtual_eoi();
173	}	173	}
174		174
175		175
176	/* Reregister irq to be IPC-ready */	176	/* Reregister irq to be IPC-ready */
177	void irq_ipc_bind_arch(__native irq)	177	void irq_ipc_bind_arch(unative_t irq)
178	{	178	{
179	if (irq == IRQ_CLK)	179	if (irq == IRQ_CLK)
180	return;	180	return;
181	exc_register(IVT_IRQBASE+irq, "ipc_int", ipc_int);	181	exc_register(IVT_IRQBASE+irq, "ipc_int", ipc_int);
182	trap_virtual_enable_irqs(1 << irq);	182	trap_virtual_enable_irqs(1 << irq);
183	}	183	}
184		184
185	/** @}	185	/** @}
186	*/	186	*/
187		187
188		188

Subversion Repositories HelenOS-historic

(root)/kernel/trunk/arch/amd64/src/interrupt.c – Rev 1735 → 1780