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.
 */
 
/** @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 <ddi/irq.h>
 
/*
 * 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 decode_istate(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]);
}
 
static void trap_virtual_eoi(void)
{
    if (eoi_function)
        eoi_function();
    else
        panic("no eoi_function\n");
 
}
 
static void null_interrupt(int n, istate_t *istate)
{
    fault_if_from_uspace(istate, "unserviced interrupt: %d", n);
    decode_istate(n, istate);
    panic("unserviced interrupt\n");
}
 
/** General Protection Fault. */
static 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");
    }
 
    decode_istate(n, istate);
    panic("general protection fault\n");
}
 
static void ss_fault(int n, istate_t *istate)
{
    fault_if_from_uspace(istate, "stack fault");
    decode_istate(n, istate);
    panic("stack fault\n");
}
 
static 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
}
 
static void tlb_shootdown_ipi(int n, istate_t *istate)
{
    trap_virtual_eoi();
    tlb_shootdown_ipi_recv();
}
 
/** Handler of IRQ exceptions */
static void irq_interrupt(int n, istate_t *istate)
{
    ASSERT(n >= IVT_IRQBASE);
   
    int inum = n - IVT_IRQBASE;
    ASSERT(inum < IRQ_COUNT);
    ASSERT((inum != IRQ_PIC_SPUR) && (inum != IRQ_PIC1));
 
    irq_t *irq = irq_dispatch_and_lock(inum);
    if (irq) {
        /*
         * The IRQ handler was found.
         */
        irq->handler(irq, irq->arg);
        spinlock_unlock(&irq->lock);
    } else {
        /*
         * Spurious interrupt.
         */
#ifdef CONFIG_DEBUG
        printf("cpu%d: spurious interrupt (inum=%d)\n", CPU->id, inum);
#endif
    }
    trap_virtual_eoi();
}
 
void interrupt_init(void)
{
    int i;
   
    for (i = 0; i < IVT_ITEMS; i++)
        exc_register(i, "null", (iroutine) null_interrupt);
   
    for (i = 0; i < IRQ_COUNT; i++) {
        if ((i != IRQ_PIC_SPUR) && (i != IRQ_PIC1))
            exc_register(IVT_IRQBASE + i, "irq", (iroutine) irq_interrupt);
    }
   
    exc_register(7, "nm_fault", (iroutine) nm_fault);
    exc_register(12, "ss_fault", (iroutine) ss_fault);
    exc_register(13, "gp_fault", (iroutine) gp_fault);
    exc_register(14, "ident_mapper", (iroutine) ident_page_fault);
   
#ifdef CONFIG_SMP
    exc_register(VECTOR_TLB_SHOOTDOWN_IPI, "tlb_shootdown", (iroutine) tlb_shootdown_ipi);
#endif
}
 
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");
}
 
/** @}
 */
 

Rev 1958	Rev 2071
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 <ddi/irq.h>	54	#include <ddi/irq.h>
55		55
56	/*	56	/*
57	* Interrupt and exception dispatching.	57	* Interrupt and exception dispatching.
58	*/	58	*/
59		59
60	void (* disable_irqs_function)(uint16_t irqmask) = NULL;	60	void (* disable_irqs_function)(uint16_t irqmask) = NULL;
61	void (* enable_irqs_function)(uint16_t irqmask) = NULL;	61	void (* enable_irqs_function)(uint16_t irqmask) = NULL;
62	void (* eoi_function)(void) = NULL;	62	void (* eoi_function)(void) = NULL;
63		63
64	void decode_istate(int n, istate_t *istate)	64	void decode_istate(int n, istate_t *istate)
65	{	65	{
66	char *symbol;	66	char *symbol;
67	/* uint64_t x = &istate->stack[0]; /	67	/* uint64_t x = &istate->stack[0]; /
68		68
69	if (!(symbol=get_symtab_entry(istate->rip)))	69	if (!(symbol=get_symtab_entry(istate->rip)))
70	symbol = "";	70	symbol = "";
71		71
72	printf("-----EXCEPTION(%d) OCCURED----- ( %s )\n",n, __FUNCTION__);	72	printf("-----EXCEPTION(%d) OCCURED----- ( %s )\n",n, __FUNCTION__);
73	printf("%%rip: %#llx (%s)\n",istate->rip, symbol);	73	printf("%%rip: %#llx (%s)\n",istate->rip, symbol);
74	printf("ERROR_WORD=%#llx\n", istate->error_word);	74	printf("ERROR_WORD=%#llx\n", istate->error_word);
75	printf("%%rcs=%#llx, flags=%#llx, %%cr0=%#llx\n", istate->cs, istate->rflags, read_cr0());	75	printf("%%rcs=%#llx, flags=%#llx, %%cr0=%#llx\n", istate->cs, istate->rflags, read_cr0());
76	printf("%%rax=%#llx, %%rcx=%#llx, %%rdx=%#llx\n", istate->rax, istate->rcx, istate->rdx);	76	printf("%%rax=%#llx, %%rcx=%#llx, %%rdx=%#llx\n", istate->rax, istate->rcx, istate->rdx);
77	printf("%%rsi=%#llx, %%rdi=%#llx, %%r8 =%#llx\n", istate->rsi, istate->rdi, istate->r8);	77	printf("%%rsi=%#llx, %%rdi=%#llx, %%r8 =%#llx\n", istate->rsi, istate->rdi, istate->r8);
78	printf("%%r9 =%#llx, %%r10 =%#llx, %%r11=%#llx\n", istate->r9, istate->r10, istate->r11);	78	printf("%%r9 =%#llx, %%r10 =%#llx, %%r11=%#llx\n", istate->r9, istate->r10, istate->r11);
79	#ifdef CONFIG_DEBUG_ALLREGS	79	#ifdef CONFIG_DEBUG_ALLREGS
80	printf("%%r12=%#llx, %%r13=%#llx, %%r14=%#llx\n", istate->r12, istate->r13, istate->r14);	80	printf("%%r12=%#llx, %%r13=%#llx, %%r14=%#llx\n", istate->r12, istate->r13, istate->r14);
81	printf("%%r15=%#llx, %%rbx=%#llx, %%rbp=%#llx\n", istate->r15, istate->rbx, &istate->rbp);	81	printf("%%r15=%#llx, %%rbx=%#llx, %%rbp=%#llx\n", istate->r15, istate->rbx, &istate->rbp);
82	#endif	82	#endif
83	printf("%%rsp=%#llx\n", &istate->stack[0]);	83	printf("%%rsp=%#llx\n", &istate->stack[0]);
84	}	84	}
85		85
86	static void trap_virtual_eoi(void)	86	static void trap_virtual_eoi(void)
87	{	87	{
88	if (eoi_function)	88	if (eoi_function)
89	eoi_function();	89	eoi_function();
90	else	90	else
91	panic("no eoi_function\n");	91	panic("no eoi_function\n");
92		92
93	}	93	}
94		94
95	static void null_interrupt(int n, istate_t *istate)	95	static void null_interrupt(int n, istate_t *istate)
96	{	96	{
97	fault_if_from_uspace(istate, "unserviced interrupt: %d", n);	97	fault_if_from_uspace(istate, "unserviced interrupt: %d", n);
98	decode_istate(n, istate);	98	decode_istate(n, istate);
99	panic("unserviced interrupt\n");	99	panic("unserviced interrupt\n");
100	}	100	}
101		101
102	/** General Protection Fault. */	102	/** General Protection Fault. */
103	static void gp_fault(int n, istate_t *istate)	103	static void gp_fault(int n, istate_t *istate)
104	{	104	{
105	if (TASK) {	105	if (TASK) {
106	count_t ver;	106	count_t ver;
107		107
108	spinlock_lock(&TASK->lock);	108	spinlock_lock(&TASK->lock);
109	ver = TASK->arch.iomapver;	109	ver = TASK->arch.iomapver;
110	spinlock_unlock(&TASK->lock);	110	spinlock_unlock(&TASK->lock);
111		111
112	if (CPU->arch.iomapver_copy != ver) {	112	if (CPU->arch.iomapver_copy != ver) {
113	/*	113	/*
114	* This fault can be caused by an early access	114	* This fault can be caused by an early access
115	* to I/O port because of an out-dated	115	* to I/O port because of an out-dated
116	* I/O Permission bitmap installed on CPU.	116	* I/O Permission bitmap installed on CPU.
117	* Install the fresh copy and restart	117	* Install the fresh copy and restart
118	* the instruction.	118	* the instruction.
119	*/	119	*/
120	io_perm_bitmap_install();	120	io_perm_bitmap_install();
121	return;	121	return;
122	}	122	}
123	fault_if_from_uspace(istate, "general protection fault");	123	fault_if_from_uspace(istate, "general protection fault");
124	}	124	}
125		125
126	decode_istate(n, istate);	126	decode_istate(n, istate);
127	panic("general protection fault\n");	127	panic("general protection fault\n");
128	}	128	}
129		129
130	static void ss_fault(int n, istate_t *istate)	130	static void ss_fault(int n, istate_t *istate)
131	{	131	{
132	fault_if_from_uspace(istate, "stack fault");	132	fault_if_from_uspace(istate, "stack fault");
133	decode_istate(n, istate);	133	decode_istate(n, istate);
134	panic("stack fault\n");	134	panic("stack fault\n");
135	}	135	}
136		136
137	static void nm_fault(int n, istate_t *istate)	137	static void nm_fault(int n, istate_t *istate)
138	{	138	{
139	#ifdef CONFIG_FPU_LAZY	139	#ifdef CONFIG_FPU_LAZY
140	scheduler_fpu_lazy_request();	140	scheduler_fpu_lazy_request();
141	#else	141	#else
142	fault_if_from_uspace(istate, "fpu fault");	142	fault_if_from_uspace(istate, "fpu fault");
143	panic("fpu fault");	143	panic("fpu fault");
144	#endif	144	#endif
145	}	145	}
146		146
147	static void tlb_shootdown_ipi(int n, istate_t *istate)	147	static void tlb_shootdown_ipi(int n, istate_t *istate)
148	{	148	{
149	trap_virtual_eoi();	149	trap_virtual_eoi();
150	tlb_shootdown_ipi_recv();	150	tlb_shootdown_ipi_recv();
151	}	151	}
152		152
153	/** Handler of IRQ exceptions */	153	/** Handler of IRQ exceptions */
154	static void irq_interrupt(int n, istate_t *istate)	154	static void irq_interrupt(int n, istate_t *istate)
155	{	155	{
156	ASSERT(n >= IVT_IRQBASE);	156	ASSERT(n >= IVT_IRQBASE);
157		157
158	int inum = n - IVT_IRQBASE;	158	int inum = n - IVT_IRQBASE;
159	ASSERT(inum < IRQ_COUNT);	159	ASSERT(inum < IRQ_COUNT);
160	ASSERT((inum != IRQ_PIC_SPUR) && (inum != IRQ_PIC1));	160	ASSERT((inum != IRQ_PIC_SPUR) && (inum != IRQ_PIC1));
161		161
162	irq_t *irq = irq_dispatch_and_lock(inum);	162	irq_t *irq = irq_dispatch_and_lock(inum);
163	if (irq) {	163	if (irq) {
164	/*	164	/*
165	* The IRQ handler was found.	165	* The IRQ handler was found.
166	*/	166	*/
167	irq->handler(irq, irq->arg);	167	irq->handler(irq, irq->arg);
168	spinlock_unlock(&irq->lock);	168	spinlock_unlock(&irq->lock);
169	} else {	169	} else {
170	/*	170	/*
171	* Spurious interrupt.	171	* Spurious interrupt.
172	*/	172	*/
173	#ifdef CONFIG_DEBUG	173	#ifdef CONFIG_DEBUG
174	printf("cpu%d: spurious interrupt (inum=%d)\n", CPU->id, inum);	174	printf("cpu%d: spurious interrupt (inum=%d)\n", CPU->id, inum);
175	#endif	175	#endif
176	}	176	}
177	trap_virtual_eoi();	177	trap_virtual_eoi();
178	}	178	}
179		179
180	void interrupt_init(void)	180	void interrupt_init(void)
181	{	181	{
182	int i;	182	int i;
183		183
184	for (i = 0; i < IVT_ITEMS; i++)	184	for (i = 0; i < IVT_ITEMS; i++)
185	exc_register(i, "null", (iroutine) null_interrupt);	185	exc_register(i, "null", (iroutine) null_interrupt);
186		186
187	for (i = 0; i < IRQ_COUNT; i++) {	187	for (i = 0; i < IRQ_COUNT; i++) {
188	if ((i != IRQ_PIC_SPUR) && (i != IRQ_PIC1))	188	if ((i != IRQ_PIC_SPUR) && (i != IRQ_PIC1))
189	exc_register(IVT_IRQBASE + i, "irq", (iroutine) irq_interrupt);	189	exc_register(IVT_IRQBASE + i, "irq", (iroutine) irq_interrupt);
190	}	190	}
191		191
192	exc_register(7, "nm_fault", (iroutine) nm_fault);	192	exc_register(7, "nm_fault", (iroutine) nm_fault);
193	exc_register(12, "ss_fault", (iroutine) ss_fault);	193	exc_register(12, "ss_fault", (iroutine) ss_fault);
194	exc_register(13, "gp_fault", (iroutine) gp_fault);	194	exc_register(13, "gp_fault", (iroutine) gp_fault);
195	exc_register(14, "ident_mapper", (iroutine) ident_page_fault);	195	exc_register(14, "ident_mapper", (iroutine) ident_page_fault);
196		196
197	#ifdef CONFIG_SMP	197	#ifdef CONFIG_SMP
198	exc_register(VECTOR_TLB_SHOOTDOWN_IPI, "tlb_shootdown", (iroutine) tlb_shootdown_ipi);	198	exc_register(VECTOR_TLB_SHOOTDOWN_IPI, "tlb_shootdown", (iroutine) tlb_shootdown_ipi);
199	#endif	199	#endif
200	}	200	}
201		201
202	void trap_virtual_enable_irqs(uint16_t irqmask)	202	void trap_virtual_enable_irqs(uint16_t irqmask)
203	{	203	{
204	if (enable_irqs_function)	204	if (enable_irqs_function)
205	enable_irqs_function(irqmask);	205	enable_irqs_function(irqmask);
206	else	206	else
207	panic("no enable_irqs_function\n");	207	panic("no enable_irqs_function\n");
208	}	208	}
209		209
210	void trap_virtual_disable_irqs(uint16_t irqmask)	210	void trap_virtual_disable_irqs(uint16_t irqmask)
211	{	211	{
212	if (disable_irqs_function)	212	if (disable_irqs_function)
213	disable_irqs_function(irqmask);	213	disable_irqs_function(irqmask);
214	else	214	else
215	panic("no disable_irqs_function\n");	215	panic("no disable_irqs_function\n");
216	}	216	}
217		217
218	/** @}	218	/** @}
219	*/	219	*/
220		220

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(root)/trunk/kernel/arch/amd64/src/interrupt.c – Rev 1958 → 2071