WebSVN – HelenOS – Diff – /trunk/kernel/arch/ia64/src/ia64.c


/*
 * Copyright (c) 2005 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 ia64
 * @{
 */
/** @file
 */
 
#include <arch.h>
#include <arch/ski/ski.h>
#include <arch/drivers/it.h>
#include <arch/interrupt.h>
#include <arch/barrier.h>
#include <arch/asm.h>
#include <arch/register.h>
#include <arch/types.h>
#include <arch/context.h>
#include <arch/stack.h>
#include <arch/mm/page.h>
#include <mm/as.h>
#include <config.h>
#include <userspace.h>
#include <console/console.h>
#include <proc/uarg.h>
#include <syscall/syscall.h>
#include <ddi/irq.h>
#include <ddi/device.h>
#include <arch/drivers/ega.h>
#include <arch/bootinfo.h>
#include <genarch/kbd/i8042.h>
#include <genarch/kbd/ns16550.h>
#include <smp/smp.h>
#include <smp/ipi.h>
#include <arch/atomic.h>
#include <panic.h>
#include <print.h>
#include <sysinfo/sysinfo.h>
 
/*NS16550 as a COM 1*/
#define NS16550_IRQ 4
#define NS16550_PORT 0x3f8
 
bootinfo_t *bootinfo;
 
void arch_pre_main(void)
{
    /* Setup usermode init tasks. */
 
//#ifdef I460GX
    unsigned int i;
   
    init.cnt = bootinfo->taskmap.count;
   
    for (i = 0; i < init.cnt; i++) {
        init.tasks[i].addr = ((unsigned long) bootinfo->taskmap.tasks[i].addr) | VRN_MASK;
        init.tasks[i].size = bootinfo->taskmap.tasks[i].size;
    }
/*
#else  
    init.cnt = 8;
    init.tasks[0].addr = INIT0_ADDRESS;
    init.tasks[0].size = INIT0_SIZE;
    init.tasks[1].addr = INIT0_ADDRESS + 0x400000;
    init.tasks[1].size = INIT0_SIZE;
    init.tasks[2].addr = INIT0_ADDRESS + 0x800000;
    init.tasks[2].size = INIT0_SIZE;
    init.tasks[3].addr = INIT0_ADDRESS + 0xc00000;
    init.tasks[3].size = INIT0_SIZE;
    init.tasks[4].addr = INIT0_ADDRESS + 0x1000000;
    init.tasks[4].size = INIT0_SIZE;
    init.tasks[5].addr = INIT0_ADDRESS + 0x1400000;
    init.tasks[5].size = INIT0_SIZE;
    init.tasks[6].addr = INIT0_ADDRESS + 0x1800000;
    init.tasks[6].size = INIT0_SIZE;
    init.tasks[7].addr = INIT0_ADDRESS + 0x1c00000;
    init.tasks[7].size = INIT0_SIZE;
#endif*/
}
 
void arch_pre_mm_init(void)
{
    /* Set Interruption Vector Address (i.e. location of interruption vector table). */
    iva_write((uintptr_t) &ivt);
    srlz_d();
   
}
 
void arch_post_mm_init(void)
{
    if(config.cpu_active==1)
    {
        irq_init(INR_COUNT, INR_COUNT);
#ifdef SKI
        ski_init_console();
#else   
        ega_init();
#endif  
    }
    it_init(); 
}
 
void arch_post_cpu_init(void)
{
}
 
void arch_pre_smp_init(void)
{
}
 
 
#ifdef I460GX
#define POLL_INTERVAL       50000       /* 50 ms */
/** Kernel thread for polling keyboard. */
static void i8042_kkbdpoll(void *arg)
{
    while (1) {
        i8042_poll();
#ifdef CONFIG_NS16550
        ns16550_poll();
#endif
        thread_usleep(POLL_INTERVAL);
    }
}
#endif
 
void arch_post_smp_init(void)
{
 
    {
        /*
         * Create thread that polls keyboard.
         */
#ifdef SKI
        thread_t *t;
        t = thread_create(kkbdpoll, NULL, TASK, 0, "kkbdpoll", true);
        if (!t)
            panic("cannot create kkbdpoll\n");
        thread_ready(t);
#endif      
 
#ifdef I460GX
        devno_t kbd = device_assign_devno();
        devno_t mouse = device_assign_devno();
        /* keyboard controller */
        i8042_init(kbd, IRQ_KBD, mouse, IRQ_MOUSE);
 
#ifdef CONFIG_NS16550
        ns16550_init(kbd, NS16550_IRQ, NS16550_PORT); // as a COM 1
#else
#endif
        thread_t *t;
        t = thread_create(i8042_kkbdpoll, NULL, TASK, 0, "kkbdpoll", true);
        if (!t)
            panic("cannot create kkbdpoll\n");
        thread_ready(t);
 
#endif
 
    }
   
    sysinfo_set_item_val("ia64_iospace", NULL, true);
    sysinfo_set_item_val("ia64_iospace.address", NULL, true);
    sysinfo_set_item_val("ia64_iospace.address.virtual", NULL, IO_OFFSET);
 
}
 
 
/** Enter userspace and never return. */
void userspace(uspace_arg_t *kernel_uarg)
{
    psr_t psr;
    rsc_t rsc;
 
    psr.value = psr_read();
    psr.cpl = PL_USER;
    psr.i = true;               /* start with interrupts enabled */
    psr.ic = true;
    psr.ri = 0;             /* start with instruction #0 */
    psr.bn = 1;             /* start in bank 0 */
 
    asm volatile ("mov %0 = ar.rsc\n" : "=r" (rsc.value));
    rsc.loadrs = 0;
    rsc.be = false;
    rsc.pl = PL_USER;
    rsc.mode = 3;               /* eager mode */
 
    switch_to_userspace((uintptr_t) kernel_uarg->uspace_entry,
                ((uintptr_t) kernel_uarg->uspace_stack)+PAGE_SIZE-ALIGN_UP(STACK_ITEM_SIZE, STACK_ALIGNMENT),
                ((uintptr_t) kernel_uarg->uspace_stack)+PAGE_SIZE,
                (uintptr_t) kernel_uarg->uspace_uarg,
                psr.value, rsc.value);
 
    while (1) {
        ;
    }
}
 
/** Set thread-local-storage pointer.
 *
 * We use r13 (a.k.a. tp) for this purpose.
 */
unative_t sys_tls_set(unative_t addr)
{
        return 0;
}
 
/** Acquire console back for kernel
 *
 */
void arch_grab_console(void)
{
#ifdef SKI
    ski_kbd_grab();
#endif  
}
/** Return console to userspace
 *
 */
void arch_release_console(void)
{
#ifdef SKI
    ski_kbd_release();
#endif
}
 
void arch_reboot(void)
{
    outb(0x64,0xfe);
    while (1);
}
 
/** @}
 */
 

Rev 3578	Rev 3635
1	/*	1	/*
2	* Copyright (c) 2005 Jakub Jermar	2	* Copyright (c) 2005 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 ia64	29	/** @addtogroup ia64
30	* @{	30	* @{
31	*/	31	*/
32	/** @file	32	/** @file
33	*/	33	*/
34		34
35	#include <arch.h>	35	#include <arch.h>
36	#include <arch/ski/ski.h>	36	#include <arch/ski/ski.h>
37	#include <arch/drivers/it.h>	37	#include <arch/drivers/it.h>
38	#include <arch/interrupt.h>	38	#include <arch/interrupt.h>
39	#include <arch/barrier.h>	39	#include <arch/barrier.h>
40	#include <arch/asm.h>	40	#include <arch/asm.h>
41	#include <arch/register.h>	41	#include <arch/register.h>
42	#include <arch/types.h>	42	#include <arch/types.h>
43	#include <arch/context.h>	43	#include <arch/context.h>
44	#include <arch/stack.h>	44	#include <arch/stack.h>
45	#include <arch/mm/page.h>	45	#include <arch/mm/page.h>
46	#include <mm/as.h>	46	#include <mm/as.h>
47	#include <config.h>	47	#include <config.h>
48	#include <userspace.h>	48	#include <userspace.h>
49	#include <console/console.h>	49	#include <console/console.h>
50	#include <proc/uarg.h>	50	#include <proc/uarg.h>
51	#include <syscall/syscall.h>	51	#include <syscall/syscall.h>
52	#include <ddi/irq.h>	52	#include <ddi/irq.h>
53	#include <ddi/device.h>	53	#include <ddi/device.h>
54	#include <arch/drivers/ega.h>	54	#include <arch/drivers/ega.h>
55	#include <arch/bootinfo.h>	55	#include <arch/bootinfo.h>
56	#include <genarch/kbd/i8042.h>	56	#include <genarch/kbd/i8042.h>
57	#include <genarch/kbd/ns16550.h>	57	#include <genarch/kbd/ns16550.h>
58	#include <smp/smp.h>	58	#include <smp/smp.h>
59	#include <smp/ipi.h>	59	#include <smp/ipi.h>
60	#include <arch/atomic.h>	60	#include <arch/atomic.h>
61	#include <panic.h>	61	#include <panic.h>
62	#include <print.h>	62	#include <print.h>
-		63	#include <sysinfo/sysinfo.h>
63		64
64	/NS16550 as a COM 1/	65	/NS16550 as a COM 1/
65	#define NS16550_IRQ 4	66	#define NS16550_IRQ 4
66	#define NS16550_PORT 0x3f8	67	#define NS16550_PORT 0x3f8
67		68
68	bootinfo_t *bootinfo;	69	bootinfo_t *bootinfo;
69		70
70	void arch_pre_main(void)	71	void arch_pre_main(void)
71	{	72	{
72	/* Setup usermode init tasks. */	73	/* Setup usermode init tasks. */
73		74
74	//#ifdef I460GX	75	//#ifdef I460GX
75	unsigned int i;	76	unsigned int i;
76		77
77	init.cnt = bootinfo->taskmap.count;	78	init.cnt = bootinfo->taskmap.count;
78		79
79	for (i = 0; i < init.cnt; i++) {	80	for (i = 0; i < init.cnt; i++) {
80	init.tasks[i].addr = ((unsigned long) bootinfo->taskmap.tasks[i].addr) \| VRN_MASK;	81	init.tasks[i].addr = ((unsigned long) bootinfo->taskmap.tasks[i].addr) \| VRN_MASK;
81	init.tasks[i].size = bootinfo->taskmap.tasks[i].size;	82	init.tasks[i].size = bootinfo->taskmap.tasks[i].size;
82	}	83	}
83	/*	84	/*
84	#else	85	#else
85	init.cnt = 8;	86	init.cnt = 8;
86	init.tasks[0].addr = INIT0_ADDRESS;	87	init.tasks[0].addr = INIT0_ADDRESS;
87	init.tasks[0].size = INIT0_SIZE;	88	init.tasks[0].size = INIT0_SIZE;
88	init.tasks[1].addr = INIT0_ADDRESS + 0x400000;	89	init.tasks[1].addr = INIT0_ADDRESS + 0x400000;
89	init.tasks[1].size = INIT0_SIZE;	90	init.tasks[1].size = INIT0_SIZE;
90	init.tasks[2].addr = INIT0_ADDRESS + 0x800000;	91	init.tasks[2].addr = INIT0_ADDRESS + 0x800000;
91	init.tasks[2].size = INIT0_SIZE;	92	init.tasks[2].size = INIT0_SIZE;
92	init.tasks[3].addr = INIT0_ADDRESS + 0xc00000;	93	init.tasks[3].addr = INIT0_ADDRESS + 0xc00000;
93	init.tasks[3].size = INIT0_SIZE;	94	init.tasks[3].size = INIT0_SIZE;
94	init.tasks[4].addr = INIT0_ADDRESS + 0x1000000;	95	init.tasks[4].addr = INIT0_ADDRESS + 0x1000000;
95	init.tasks[4].size = INIT0_SIZE;	96	init.tasks[4].size = INIT0_SIZE;
96	init.tasks[5].addr = INIT0_ADDRESS + 0x1400000;	97	init.tasks[5].addr = INIT0_ADDRESS + 0x1400000;
97	init.tasks[5].size = INIT0_SIZE;	98	init.tasks[5].size = INIT0_SIZE;
98	init.tasks[6].addr = INIT0_ADDRESS + 0x1800000;	99	init.tasks[6].addr = INIT0_ADDRESS + 0x1800000;
99	init.tasks[6].size = INIT0_SIZE;	100	init.tasks[6].size = INIT0_SIZE;
100	init.tasks[7].addr = INIT0_ADDRESS + 0x1c00000;	101	init.tasks[7].addr = INIT0_ADDRESS + 0x1c00000;
101	init.tasks[7].size = INIT0_SIZE;	102	init.tasks[7].size = INIT0_SIZE;
102	#endif*/	103	#endif*/
103	}	104	}
104		105
105	void arch_pre_mm_init(void)	106	void arch_pre_mm_init(void)
106	{	107	{
107	/* Set Interruption Vector Address (i.e. location of interruption vector table). */	108	/* Set Interruption Vector Address (i.e. location of interruption vector table). */
108	iva_write((uintptr_t) &ivt);	109	iva_write((uintptr_t) &ivt);
109	srlz_d();	110	srlz_d();
110		111
111	}	112	}
112		113
113	void arch_post_mm_init(void)	114	void arch_post_mm_init(void)
114	{	115	{
115	if(config.cpu_active==1)	116	if(config.cpu_active==1)
116	{	117	{
117	irq_init(INR_COUNT, INR_COUNT);	118	irq_init(INR_COUNT, INR_COUNT);
118	#ifdef SKI	119	#ifdef SKI
119	ski_init_console();	120	ski_init_console();
120	#else	121	#else
121	ega_init();	122	ega_init();
122	#endif	123	#endif
123	}	124	}
124	it_init();	125	it_init();
125	}	126	}
126		127
127	void arch_post_cpu_init(void)	128	void arch_post_cpu_init(void)
128	{	129	{
129	}	130	}
130		131
131	void arch_pre_smp_init(void)	132	void arch_pre_smp_init(void)
132	{	133	{
133	}	134	}
134		135
135		136
136	#ifdef I460GX	137	#ifdef I460GX
137	#define POLL_INTERVAL 50000 /* 50 ms */	138	#define POLL_INTERVAL 50000 /* 50 ms */
138	/** Kernel thread for polling keyboard. */	139	/** Kernel thread for polling keyboard. */
139	static void i8042_kkbdpoll(void *arg)	140	static void i8042_kkbdpoll(void *arg)
140	{	141	{
141	while (1) {	142	while (1) {
142	i8042_poll();	143	i8042_poll();
143	#ifdef CONFIG_NS16550	144	#ifdef CONFIG_NS16550
144	ns16550_poll();	145	ns16550_poll();
145	#endif	146	#endif
146	thread_usleep(POLL_INTERVAL);	147	thread_usleep(POLL_INTERVAL);
147	}	148	}
148	}	149	}
149	#endif	150	#endif
150		151
151	void arch_post_smp_init(void)	152	void arch_post_smp_init(void)
152	{	153	{
153		154
154	{	155	{
155	/*	156	/*
156	* Create thread that polls keyboard.	157	* Create thread that polls keyboard.
157	*/	158	*/
158	#ifdef SKI	159	#ifdef SKI
159	thread_t *t;	160	thread_t *t;
160	t = thread_create(kkbdpoll, NULL, TASK, 0, "kkbdpoll", true);	161	t = thread_create(kkbdpoll, NULL, TASK, 0, "kkbdpoll", true);
161	if (!t)	162	if (!t)
162	panic("cannot create kkbdpoll\n");	163	panic("cannot create kkbdpoll\n");
163	thread_ready(t);	164	thread_ready(t);
164	#endif	165	#endif
165		166
166	#ifdef I460GX	167	#ifdef I460GX
167	devno_t kbd = device_assign_devno();	168	devno_t kbd = device_assign_devno();
168	devno_t mouse = device_assign_devno();	169	devno_t mouse = device_assign_devno();
169	/* keyboard controller */	170	/* keyboard controller */
170	i8042_init(kbd, IRQ_KBD, mouse, IRQ_MOUSE);	171	i8042_init(kbd, IRQ_KBD, mouse, IRQ_MOUSE);
171		172
172	#ifdef CONFIG_NS16550	173	#ifdef CONFIG_NS16550
173	ns16550_init(kbd, NS16550_IRQ, NS16550_PORT); // as a COM 1	174	ns16550_init(kbd, NS16550_IRQ, NS16550_PORT); // as a COM 1
174	#else	175	#else
175	#endif	176	#endif
176	thread_t *t;	177	thread_t *t;
177	t = thread_create(i8042_kkbdpoll, NULL, TASK, 0, "kkbdpoll", true);	178	t = thread_create(i8042_kkbdpoll, NULL, TASK, 0, "kkbdpoll", true);
178	if (!t)	179	if (!t)
179	panic("cannot create kkbdpoll\n");	180	panic("cannot create kkbdpoll\n");
180	thread_ready(t);	181	thread_ready(t);
181		182
182	#endif	183	#endif
183		184
184	}	185	}
-		186
-		187	sysinfo_set_item_val("ia64_iospace", NULL, true);
-		188	sysinfo_set_item_val("ia64_iospace.address", NULL, true);
-		189	sysinfo_set_item_val("ia64_iospace.address.virtual", NULL, IO_OFFSET);
-		190
185	}	191	}
186		192
187		193
188	/** Enter userspace and never return. */	194	/** Enter userspace and never return. */
189	void userspace(uspace_arg_t *kernel_uarg)	195	void userspace(uspace_arg_t *kernel_uarg)
190	{	196	{
191	psr_t psr;	197	psr_t psr;
192	rsc_t rsc;	198	rsc_t rsc;
193		199
194	psr.value = psr_read();	200	psr.value = psr_read();
195	psr.cpl = PL_USER;	201	psr.cpl = PL_USER;
196	psr.i = true; /* start with interrupts enabled */	202	psr.i = true; /* start with interrupts enabled */
197	psr.ic = true;	203	psr.ic = true;
198	psr.ri = 0; /* start with instruction #0 */	204	psr.ri = 0; /* start with instruction #0 */
199	psr.bn = 1; /* start in bank 0 */	205	psr.bn = 1; /* start in bank 0 */
200		206
201	asm volatile ("mov %0 = ar.rsc\n" : "=r" (rsc.value));	207	asm volatile ("mov %0 = ar.rsc\n" : "=r" (rsc.value));
202	rsc.loadrs = 0;	208	rsc.loadrs = 0;
203	rsc.be = false;	209	rsc.be = false;
204	rsc.pl = PL_USER;	210	rsc.pl = PL_USER;
205	rsc.mode = 3; /* eager mode */	211	rsc.mode = 3; /* eager mode */
206		212
207	switch_to_userspace((uintptr_t) kernel_uarg->uspace_entry,	213	switch_to_userspace((uintptr_t) kernel_uarg->uspace_entry,
208	((uintptr_t) kernel_uarg->uspace_stack)+PAGE_SIZE-ALIGN_UP(STACK_ITEM_SIZE, STACK_ALIGNMENT),	214	((uintptr_t) kernel_uarg->uspace_stack)+PAGE_SIZE-ALIGN_UP(STACK_ITEM_SIZE, STACK_ALIGNMENT),
209	((uintptr_t) kernel_uarg->uspace_stack)+PAGE_SIZE,	215	((uintptr_t) kernel_uarg->uspace_stack)+PAGE_SIZE,
210	(uintptr_t) kernel_uarg->uspace_uarg,	216	(uintptr_t) kernel_uarg->uspace_uarg,
211	psr.value, rsc.value);	217	psr.value, rsc.value);
212		218
213	while (1) {	219	while (1) {
214	;	220	;
215	}	221	}
216	}	222	}
217		223
218	/** Set thread-local-storage pointer.	224	/** Set thread-local-storage pointer.
219	*	225	*
220	* We use r13 (a.k.a. tp) for this purpose.	226	* We use r13 (a.k.a. tp) for this purpose.
221	*/	227	*/
222	unative_t sys_tls_set(unative_t addr)	228	unative_t sys_tls_set(unative_t addr)
223	{	229	{
224	return 0;	230	return 0;
225	}	231	}
226		232
227	/** Acquire console back for kernel	233	/** Acquire console back for kernel
228	*	234	*
229	*/	235	*/
230	void arch_grab_console(void)	236	void arch_grab_console(void)
231	{	237	{
232	#ifdef SKI	238	#ifdef SKI
233	ski_kbd_grab();	239	ski_kbd_grab();
234	#endif	240	#endif
235	}	241	}
236	/** Return console to userspace	242	/** Return console to userspace
237	*	243	*
238	*/	244	*/
239	void arch_release_console(void)	245	void arch_release_console(void)
240	{	246	{
241	#ifdef SKI	247	#ifdef SKI
242	ski_kbd_release();	248	ski_kbd_release();
243	#endif	249	#endif
244	}	250	}
245		251
246	void arch_reboot(void)	252	void arch_reboot(void)
247	{	253	{
248	outb(0x64,0xfe);	254	outb(0x64,0xfe);
249	while (1);	255	while (1);
250	}	256	}
251		257
252	/** @}	258	/** @}
253	*/	259	*/
254		260

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(root)/trunk/kernel/arch/ia64/src/ia64.c – Rev 3578 → 3635