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, __func__);
    printf("%%rip: %#llx (%s)\n", istate->rip, symbol);
    printf("ERROR_WORD=%#llx\n", istate->error_word);
    printf("%%cs=%#llx, rflags=%#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.");
 
}
 
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.");
}
 
/** 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.");
}
 
static void ss_fault(int n, istate_t *istate)
{
    fault_if_from_uspace(istate, "Stack fault.");
    decode_istate(n, istate);
    panic("Stack fault.");
}
 
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;
    bool ack = false;
    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.
         */
         
        if (irq->preack) {
            /* Send EOI before processing the interrupt */
            trap_virtual_eoi();
            ack = true;
        }
        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
    }
   
    if (!ack)
        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.");
}
 
void trap_virtual_disable_irqs(uint16_t irqmask)
{
    if (disable_irqs_function)
        disable_irqs_function(irqmask);
    else
        panic("No disable_irqs_function.");
}
 
/** @}
 */
 

Rev 3788	Rev 3790
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, __func__);	72	printf("-----EXCEPTION(%d) OCCURED----- ( %s )\n", n, __func__);
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("%%cs=%#llx, rflags=%#llx, %%cr0=%#llx\n", istate->cs,	75	printf("%%cs=%#llx, rflags=%#llx, %%cr0=%#llx\n", istate->cs,
76	istate->rflags, read_cr0());	76	istate->rflags, read_cr0());
77	printf("%%rax=%#llx, %%rcx=%#llx, %%rdx=%#llx\n", istate->rax,	77	printf("%%rax=%#llx, %%rcx=%#llx, %%rdx=%#llx\n", istate->rax,
78	istate->rcx, istate->rdx);	78	istate->rcx, istate->rdx);
79	printf("%%rsi=%#llx, %%rdi=%#llx, %%r8=%#llx\n", istate->rsi,	79	printf("%%rsi=%#llx, %%rdi=%#llx, %%r8=%#llx\n", istate->rsi,
80	istate->rdi, istate->r8);	80	istate->rdi, istate->r8);
81	printf("%%r9=%#llx, %%r10=%#llx, %%r11=%#llx\n", istate->r9,	81	printf("%%r9=%#llx, %%r10=%#llx, %%r11=%#llx\n", istate->r9,
82	istate->r10, istate->r11);	82	istate->r10, istate->r11);
83	#ifdef CONFIG_DEBUG_ALLREGS	83	#ifdef CONFIG_DEBUG_ALLREGS
84	printf("%%r12=%#llx, %%r13=%#llx, %%r14=%#llx\n", istate->r12,	84	printf("%%r12=%#llx, %%r13=%#llx, %%r14=%#llx\n", istate->r12,
85	istate->r13, istate->r14);	85	istate->r13, istate->r14);
86	printf("%%r15=%#llx, %%rbx=%#llx, %%rbp=%#llx\n", istate->r15,	86	printf("%%r15=%#llx, %%rbx=%#llx, %%rbp=%#llx\n", istate->r15,
87	istate->rbx, &istate->rbp);	87	istate->rbx, &istate->rbp);
88	#endif	88	#endif
89	printf("%%rsp=%#llx\n", &istate->stack[0]);	89	printf("%%rsp=%#llx\n", &istate->stack[0]);
90	}	90	}
91		91
92	static void trap_virtual_eoi(void)	92	static void trap_virtual_eoi(void)
93	{	93	{
94	if (eoi_function)	94	if (eoi_function)
95	eoi_function();	95	eoi_function();
96	else	96	else
97	panic("no eoi_function\n");	97	panic("No eoi_function.");
98		98
99	}	99	}
100		100
101	static void null_interrupt(int n, istate_t *istate)	101	static void null_interrupt(int n, istate_t *istate)
102	{	102	{
103	fault_if_from_uspace(istate, "Unserviced interrupt: %d", n);	103	fault_if_from_uspace(istate, "Unserviced interrupt: %d.", n);
104	decode_istate(n, istate);	104	decode_istate(n, istate);
105	panic("Unserviced interrupt\n");	105	panic("Unserviced interrupt.");
106	}	106	}
107		107
108	/** General Protection Fault. */	108	/** General Protection Fault. */
109	static void gp_fault(int n, istate_t *istate)	109	static void gp_fault(int n, istate_t *istate)
110	{	110	{
111	if (TASK) {	111	if (TASK) {
112	count_t ver;	112	count_t ver;
113		113
114	spinlock_lock(&TASK->lock);	114	spinlock_lock(&TASK->lock);
115	ver = TASK->arch.iomapver;	115	ver = TASK->arch.iomapver;
116	spinlock_unlock(&TASK->lock);	116	spinlock_unlock(&TASK->lock);
117		117
118	if (CPU->arch.iomapver_copy != ver) {	118	if (CPU->arch.iomapver_copy != ver) {
119	/*	119	/*
120	* This fault can be caused by an early access	120	* This fault can be caused by an early access
121	* to I/O port because of an out-dated	121	* to I/O port because of an out-dated
122	* I/O Permission bitmap installed on CPU.	122	* I/O Permission bitmap installed on CPU.
123	* Install the fresh copy and restart	123	* Install the fresh copy and restart
124	* the instruction.	124	* the instruction.
125	*/	125	*/
126	io_perm_bitmap_install();	126	io_perm_bitmap_install();
127	return;	127	return;
128	}	128	}
129	fault_if_from_uspace(istate, "General protection fault");	129	fault_if_from_uspace(istate, "General protection fault.");
130	}	130	}
131		131
132	decode_istate(n, istate);	132	decode_istate(n, istate);
133	panic("General protection fault\n");	133	panic("General protection fault.");
134	}	134	}
135		135
136	static void ss_fault(int n, istate_t *istate)	136	static void ss_fault(int n, istate_t *istate)
137	{	137	{
138	fault_if_from_uspace(istate, "Stack fault");	138	fault_if_from_uspace(istate, "Stack fault.");
139	decode_istate(n, istate);	139	decode_istate(n, istate);
140	panic("Stack fault\n");	140	panic("Stack fault.");
141	}	141	}
142		142
143	static void nm_fault(int n, istate_t *istate)	143	static void nm_fault(int n, istate_t *istate)
144	{	144	{
145	#ifdef CONFIG_FPU_LAZY	145	#ifdef CONFIG_FPU_LAZY
146	scheduler_fpu_lazy_request();	146	scheduler_fpu_lazy_request();
147	#else	147	#else
148	fault_if_from_uspace(istate, "FPU fault");	148	fault_if_from_uspace(istate, "FPU fault.");
149	panic("FPU fault");	149	panic("FPU fault.");
150	#endif	150	#endif
151	}	151	}
152		152
153	static void tlb_shootdown_ipi(int n, istate_t *istate)	153	static void tlb_shootdown_ipi(int n, istate_t *istate)
154	{	154	{
155	trap_virtual_eoi();	155	trap_virtual_eoi();
156	tlb_shootdown_ipi_recv();	156	tlb_shootdown_ipi_recv();
157	}	157	}
158		158
159	/** Handler of IRQ exceptions */	159	/** Handler of IRQ exceptions */
160	static void irq_interrupt(int n, istate_t *istate)	160	static void irq_interrupt(int n, istate_t *istate)
161	{	161	{
162	ASSERT(n >= IVT_IRQBASE);	162	ASSERT(n >= IVT_IRQBASE);
163		163
164	int inum = n - IVT_IRQBASE;	164	int inum = n - IVT_IRQBASE;
165	bool ack = false;	165	bool ack = false;
166	ASSERT(inum < IRQ_COUNT);	166	ASSERT(inum < IRQ_COUNT);
167	ASSERT((inum != IRQ_PIC_SPUR) && (inum != IRQ_PIC1));	167	ASSERT((inum != IRQ_PIC_SPUR) && (inum != IRQ_PIC1));
168		168
169	irq_t *irq = irq_dispatch_and_lock(inum);	169	irq_t *irq = irq_dispatch_and_lock(inum);
170	if (irq) {	170	if (irq) {
171	/*	171	/*
172	* The IRQ handler was found.	172	* The IRQ handler was found.
173	*/	173	*/
174		174
175	if (irq->preack) {	175	if (irq->preack) {
176	/* Send EOI before processing the interrupt */	176	/* Send EOI before processing the interrupt */
177	trap_virtual_eoi();	177	trap_virtual_eoi();
178	ack = true;	178	ack = true;
179	}	179	}
180	irq->handler(irq, irq->arg);	180	irq->handler(irq, irq->arg);
181	spinlock_unlock(&irq->lock);	181	spinlock_unlock(&irq->lock);
182	} else {	182	} else {
183	/*	183	/*
184	* Spurious interrupt.	184	* Spurious interrupt.
185	*/	185	*/
186	#ifdef CONFIG_DEBUG	186	#ifdef CONFIG_DEBUG
187	printf("cpu%d: spurious interrupt (inum=%d)\n", CPU->id, inum);	187	printf("cpu%d: spurious interrupt (inum=%d)\n", CPU->id, inum);
188	#endif	188	#endif
189	}	189	}
190		190
191	if (!ack)	191	if (!ack)
192	trap_virtual_eoi();	192	trap_virtual_eoi();
193	}	193	}
194		194
195	void interrupt_init(void)	195	void interrupt_init(void)
196	{	196	{
197	int i;	197	int i;
198		198
199	for (i = 0; i < IVT_ITEMS; i++)	199	for (i = 0; i < IVT_ITEMS; i++)
200	exc_register(i, "null", (iroutine) null_interrupt);	200	exc_register(i, "null", (iroutine) null_interrupt);
201		201
202	for (i = 0; i < IRQ_COUNT; i++) {	202	for (i = 0; i < IRQ_COUNT; i++) {
203	if ((i != IRQ_PIC_SPUR) && (i != IRQ_PIC1))	203	if ((i != IRQ_PIC_SPUR) && (i != IRQ_PIC1))
204	exc_register(IVT_IRQBASE + i, "irq",	204	exc_register(IVT_IRQBASE + i, "irq",
205	(iroutine) irq_interrupt);	205	(iroutine) irq_interrupt);
206	}	206	}
207		207
208	exc_register(7, "nm_fault", (iroutine) nm_fault);	208	exc_register(7, "nm_fault", (iroutine) nm_fault);
209	exc_register(12, "ss_fault", (iroutine) ss_fault);	209	exc_register(12, "ss_fault", (iroutine) ss_fault);
210	exc_register(13, "gp_fault", (iroutine) gp_fault);	210	exc_register(13, "gp_fault", (iroutine) gp_fault);
211	exc_register(14, "ident_mapper", (iroutine) ident_page_fault);	211	exc_register(14, "ident_mapper", (iroutine) ident_page_fault);
212		212
213	#ifdef CONFIG_SMP	213	#ifdef CONFIG_SMP
214	exc_register(VECTOR_TLB_SHOOTDOWN_IPI, "tlb_shootdown",	214	exc_register(VECTOR_TLB_SHOOTDOWN_IPI, "tlb_shootdown",
215	(iroutine) tlb_shootdown_ipi);	215	(iroutine) tlb_shootdown_ipi);
216	#endif	216	#endif
217	}	217	}
218		218
219	void trap_virtual_enable_irqs(uint16_t irqmask)	219	void trap_virtual_enable_irqs(uint16_t irqmask)
220	{	220	{
221	if (enable_irqs_function)	221	if (enable_irqs_function)
222	enable_irqs_function(irqmask);	222	enable_irqs_function(irqmask);
223	else	223	else
224	panic("no enable_irqs_function\n");	224	panic("No enable_irqs_function.");
225	}	225	}
226		226
227	void trap_virtual_disable_irqs(uint16_t irqmask)	227	void trap_virtual_disable_irqs(uint16_t irqmask)
228	{	228	{
229	if (disable_irqs_function)	229	if (disable_irqs_function)
230	disable_irqs_function(irqmask);	230	disable_irqs_function(irqmask);
231	else	231	else
232	panic("no disable_irqs_function\n");	232	panic("No disable_irqs_function.");
233	}	233	}
234		234
235	/** @}	235	/** @}
236	*/	236	*/
237		237

Subversion Repositories HelenOS

(root)/trunk/kernel/arch/amd64/src/interrupt.c – Rev 3788 → 3790