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>
 
bootinfo_t *bootinfo;
 
void arch_pre_main(void)
{
    /* Setup usermode init tasks. */
 
//#ifdef I460GX
    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)
{
    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();
        thread_usleep(POLL_INTERVAL);
    }
}
#endif
 
void arch_post_smp_init(void)
{
 
    if (config.cpu_active == 1) {
        /*
         * 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);
 
        thread_t *t;
        t = thread_create(i8042_kkbdpoll, NULL, TASK, 0, "kkbdpoll", true);
        if (!t)
            panic("cannot create kkbdpoll\n");
        thread_ready(t);
 
#endif
 
    }
}
 
/** 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)
{
    // TODO
    while (1);
}
 
/** @}
 */
 

Rev 2513	Rev 2519
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		57
58	bootinfo_t *bootinfo;	58	bootinfo_t *bootinfo;
59		59
60	void arch_pre_main(void)	60	void arch_pre_main(void)
61	{	61	{
62	/* Setup usermode init tasks. */	62	/* Setup usermode init tasks. */
63		63
64	#ifdef I460GX	64	//#ifdef I460GX
65	int i;	65	int i;
66	init.cnt = bootinfo->taskmap.count;	66	init.cnt = bootinfo->taskmap.count;
67	for(i=0;i<init.cnt;i++)	67	for(i=0;i<init.cnt;i++)
68	{	68	{
69	init.tasks[i].addr = ((unsigned long)bootinfo->taskmap.tasks[i].addr)\|VRN_MASK;	69	init.tasks[i].addr = ((unsigned long)bootinfo->taskmap.tasks[i].addr)\|VRN_MASK;
70	init.tasks[i].size = bootinfo->taskmap.tasks[i].size;	70	init.tasks[i].size = bootinfo->taskmap.tasks[i].size;
71	}	71	}
-		72	/*
72	#else	73	#else
73	init.cnt = 8;	74	init.cnt = 8;
74	init.tasks[0].addr = INIT0_ADDRESS;	75	init.tasks[0].addr = INIT0_ADDRESS;
75	init.tasks[0].size = INIT0_SIZE;	76	init.tasks[0].size = INIT0_SIZE;
76	init.tasks[1].addr = INIT0_ADDRESS + 0x400000;	77	init.tasks[1].addr = INIT0_ADDRESS + 0x400000;
77	init.tasks[1].size = INIT0_SIZE;	78	init.tasks[1].size = INIT0_SIZE;
78	init.tasks[2].addr = INIT0_ADDRESS + 0x800000;	79	init.tasks[2].addr = INIT0_ADDRESS + 0x800000;
79	init.tasks[2].size = INIT0_SIZE;	80	init.tasks[2].size = INIT0_SIZE;
80	init.tasks[3].addr = INIT0_ADDRESS + 0xc00000;	81	init.tasks[3].addr = INIT0_ADDRESS + 0xc00000;
81	init.tasks[3].size = INIT0_SIZE;	82	init.tasks[3].size = INIT0_SIZE;
82	init.tasks[4].addr = INIT0_ADDRESS + 0x1000000;	83	init.tasks[4].addr = INIT0_ADDRESS + 0x1000000;
83	init.tasks[4].size = INIT0_SIZE;	84	init.tasks[4].size = INIT0_SIZE;
84	init.tasks[5].addr = INIT0_ADDRESS + 0x1400000;	85	init.tasks[5].addr = INIT0_ADDRESS + 0x1400000;
85	init.tasks[5].size = INIT0_SIZE;	86	init.tasks[5].size = INIT0_SIZE;
86	init.tasks[6].addr = INIT0_ADDRESS + 0x1800000;	87	init.tasks[6].addr = INIT0_ADDRESS + 0x1800000;
87	init.tasks[6].size = INIT0_SIZE;	88	init.tasks[6].size = INIT0_SIZE;
88	init.tasks[7].addr = INIT0_ADDRESS + 0x1c00000;	89	init.tasks[7].addr = INIT0_ADDRESS + 0x1c00000;
89	init.tasks[7].size = INIT0_SIZE;	90	init.tasks[7].size = INIT0_SIZE;
90	#endif	91	#endif*/
91	}	92	}
92		93
93	void arch_pre_mm_init(void)	94	void arch_pre_mm_init(void)
94	{	95	{
95	/* Set Interruption Vector Address (i.e. location of interruption vector table). */	96	/* Set Interruption Vector Address (i.e. location of interruption vector table). */
96	iva_write((uintptr_t) &ivt);	97	iva_write((uintptr_t) &ivt);
97	srlz_d();	98	srlz_d();
98		99
99	}	100	}
100		101
101	void arch_post_mm_init(void)	102	void arch_post_mm_init(void)
102	{	103	{
103	irq_init(INR_COUNT, INR_COUNT);	104	irq_init(INR_COUNT, INR_COUNT);
104	#ifdef SKI	105	#ifdef SKI
105	ski_init_console();	106	ski_init_console();
106	#else	107	#else
107	ega_init();	108	ega_init();
108	#endif	109	#endif
109	it_init();	110	it_init();
110	}	111	}
111		112
112	void arch_post_cpu_init(void)	113	void arch_post_cpu_init(void)
113	{	114	{
114	}	115	}
115		116
116	void arch_pre_smp_init(void)	117	void arch_pre_smp_init(void)
117	{	118	{
118	}	119	}
119		120
120		121
121	#ifdef I460GX	122	#ifdef I460GX
122	#define POLL_INTERVAL 50000 /* 50 ms */	123	#define POLL_INTERVAL 50000 /* 50 ms */
123	/** Kernel thread for polling keyboard. */	124	/** Kernel thread for polling keyboard. */
124	static void i8042_kkbdpoll(void *arg)	125	static void i8042_kkbdpoll(void *arg)
125	{	126	{
126	while (1) {	127	while (1) {
127	i8042_poll();	128	i8042_poll();
128	thread_usleep(POLL_INTERVAL);	129	thread_usleep(POLL_INTERVAL);
129	}	130	}
130	}	131	}
131	#endif	132	#endif
132		133
133	void arch_post_smp_init(void)	134	void arch_post_smp_init(void)
134	{	135	{
135		136
136	if (config.cpu_active == 1) {	137	if (config.cpu_active == 1) {
137	/*	138	/*
138	* Create thread that polls keyboard.	139	* Create thread that polls keyboard.
139	*/	140	*/
140	#ifdef SKI	141	#ifdef SKI
141	thread_t *t;	142	thread_t *t;
142	t = thread_create(kkbdpoll, NULL, TASK, 0, "kkbdpoll", true);	143	t = thread_create(kkbdpoll, NULL, TASK, 0, "kkbdpoll", true);
143	if (!t)	144	if (!t)
144	panic("cannot create kkbdpoll\n");	145	panic("cannot create kkbdpoll\n");
145	thread_ready(t);	146	thread_ready(t);
146	#endif	147	#endif
147		148
148	#ifdef I460GX	149	#ifdef I460GX
149	devno_t kbd = device_assign_devno();	150	devno_t kbd = device_assign_devno();
150	devno_t mouse = device_assign_devno();	151	devno_t mouse = device_assign_devno();
151	/* keyboard controller */	152	/* keyboard controller */
152	i8042_init(kbd, IRQ_KBD, mouse, IRQ_MOUSE);	153	i8042_init(kbd, IRQ_KBD, mouse, IRQ_MOUSE);
153		154
154	thread_t *t;	155	thread_t *t;
155	t = thread_create(i8042_kkbdpoll, NULL, TASK, 0, "kkbdpoll", true);	156	t = thread_create(i8042_kkbdpoll, NULL, TASK, 0, "kkbdpoll", true);
156	if (!t)	157	if (!t)
157	panic("cannot create kkbdpoll\n");	158	panic("cannot create kkbdpoll\n");
158	thread_ready(t);	159	thread_ready(t);
159		160
160	#endif	161	#endif
161		162
162	}	163	}
163	}	164	}
164		165
165	/** Enter userspace and never return. */	166	/** Enter userspace and never return. */
166	void userspace(uspace_arg_t *kernel_uarg)	167	void userspace(uspace_arg_t *kernel_uarg)
167	{	168	{
168	psr_t psr;	169	psr_t psr;
169	rsc_t rsc;	170	rsc_t rsc;
170		171
171	psr.value = psr_read();	172	psr.value = psr_read();
172	psr.cpl = PL_USER;	173	psr.cpl = PL_USER;
173	psr.i = true; /* start with interrupts enabled */	174	psr.i = true; /* start with interrupts enabled */
174	psr.ic = true;	175	psr.ic = true;
175	psr.ri = 0; /* start with instruction #0 */	176	psr.ri = 0; /* start with instruction #0 */
176	psr.bn = 1; /* start in bank 0 */	177	psr.bn = 1; /* start in bank 0 */
177		178
178	asm volatile ("mov %0 = ar.rsc\n" : "=r" (rsc.value));	179	asm volatile ("mov %0 = ar.rsc\n" : "=r" (rsc.value));
179	rsc.loadrs = 0;	180	rsc.loadrs = 0;
180	rsc.be = false;	181	rsc.be = false;
181	rsc.pl = PL_USER;	182	rsc.pl = PL_USER;
182	rsc.mode = 3; /* eager mode */	183	rsc.mode = 3; /* eager mode */
183		184
184	switch_to_userspace((uintptr_t) kernel_uarg->uspace_entry,	185	switch_to_userspace((uintptr_t) kernel_uarg->uspace_entry,
185	((uintptr_t) kernel_uarg->uspace_stack)+PAGE_SIZE-ALIGN_UP(STACK_ITEM_SIZE, STACK_ALIGNMENT),	186	((uintptr_t) kernel_uarg->uspace_stack)+PAGE_SIZE-ALIGN_UP(STACK_ITEM_SIZE, STACK_ALIGNMENT),
186	((uintptr_t) kernel_uarg->uspace_stack)+PAGE_SIZE,	187	((uintptr_t) kernel_uarg->uspace_stack)+PAGE_SIZE,
187	(uintptr_t) kernel_uarg->uspace_uarg,	188	(uintptr_t) kernel_uarg->uspace_uarg,
188	psr.value, rsc.value);	189	psr.value, rsc.value);
189		190
190	while (1) {	191	while (1) {
191	;	192	;
192	}	193	}
193	}	194	}
194		195
195	/** Set thread-local-storage pointer.	196	/** Set thread-local-storage pointer.
196	*	197	*
197	* We use r13 (a.k.a. tp) for this purpose.	198	* We use r13 (a.k.a. tp) for this purpose.
198	*/	199	*/
199	unative_t sys_tls_set(unative_t addr)	200	unative_t sys_tls_set(unative_t addr)
200	{	201	{
201	return 0;	202	return 0;
202	}	203	}
203		204
204	/** Acquire console back for kernel	205	/** Acquire console back for kernel
205	*	206	*
206	*/	207	*/
207	void arch_grab_console(void)	208	void arch_grab_console(void)
208	{	209	{
209	#ifdef SKI	210	#ifdef SKI
210	ski_kbd_grab();	211	ski_kbd_grab();
211	#endif	212	#endif
212	}	213	}
213	/** Return console to userspace	214	/** Return console to userspace
214	*	215	*
215	*/	216	*/
216	void arch_release_console(void)	217	void arch_release_console(void)
217	{	218	{
218	#ifdef SKI	219	#ifdef SKI
219	ski_kbd_release();	220	ski_kbd_release();
220	#endif	221	#endif
221	}	222	}
222		223
223	void arch_reboot(void)	224	void arch_reboot(void)
224	{	225	{
225	// TODO	226	// TODO
226	while (1);	227	while (1);
227	}	228	}
228		229
229	/** @}	230	/** @}
230	*/	231	*/
231		232

Subversion Repositories HelenOS

(root)/trunk/kernel/arch/ia64/src/ia64.c @ 2745 – Rev 2513 → 2519