WebSVN – HelenOS – Diff – /branches/rcu/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 <arch/drivers/ega.h>
 
void arch_pre_main(void)
{
    /* Setup usermode init tasks. */
    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;
}
 
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)
{
}
 
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      
    }
}
 
/** 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 2131	Rev 2307
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 <arch/drivers/ega.h>	53	#include <arch/drivers/ega.h>
54		54
55	void arch_pre_main(void)	55	void arch_pre_main(void)
56	{	56	{
57	/* Setup usermode init tasks. */	57	/* Setup usermode init tasks. */
58	init.cnt = 8;	58	init.cnt = 8;
59	init.tasks[0].addr = INIT0_ADDRESS;	59	init.tasks[0].addr = INIT0_ADDRESS;
60	init.tasks[0].size = INIT0_SIZE;	60	init.tasks[0].size = INIT0_SIZE;
61	init.tasks[1].addr = INIT0_ADDRESS + 0x400000;	61	init.tasks[1].addr = INIT0_ADDRESS + 0x400000;
62	init.tasks[1].size = INIT0_SIZE;	62	init.tasks[1].size = INIT0_SIZE;
63	init.tasks[2].addr = INIT0_ADDRESS + 0x800000;	63	init.tasks[2].addr = INIT0_ADDRESS + 0x800000;
64	init.tasks[2].size = INIT0_SIZE;	64	init.tasks[2].size = INIT0_SIZE;
65	init.tasks[3].addr = INIT0_ADDRESS + 0xc00000;	65	init.tasks[3].addr = INIT0_ADDRESS + 0xc00000;
66	init.tasks[3].size = INIT0_SIZE;	66	init.tasks[3].size = INIT0_SIZE;
67	init.tasks[4].addr = INIT0_ADDRESS + 0x1000000;	67	init.tasks[4].addr = INIT0_ADDRESS + 0x1000000;
68	init.tasks[4].size = INIT0_SIZE;	68	init.tasks[4].size = INIT0_SIZE;
69	init.tasks[5].addr = INIT0_ADDRESS + 0x1400000;	69	init.tasks[5].addr = INIT0_ADDRESS + 0x1400000;
70	init.tasks[5].size = INIT0_SIZE;	70	init.tasks[5].size = INIT0_SIZE;
71	init.tasks[6].addr = INIT0_ADDRESS + 0x1800000;	71	init.tasks[6].addr = INIT0_ADDRESS + 0x1800000;
72	init.tasks[6].size = INIT0_SIZE;	72	init.tasks[6].size = INIT0_SIZE;
73	init.tasks[7].addr = INIT0_ADDRESS + 0x1c00000;	73	init.tasks[7].addr = INIT0_ADDRESS + 0x1c00000;
74	init.tasks[7].size = INIT0_SIZE;	74	init.tasks[7].size = INIT0_SIZE;
75	}	75	}
76		76
77	void arch_pre_mm_init(void)	77	void arch_pre_mm_init(void)
78	{	78	{
79	/* Set Interruption Vector Address (i.e. location of interruption vector table). */	79	/* Set Interruption Vector Address (i.e. location of interruption vector table). */
80	iva_write((uintptr_t) &ivt);	80	iva_write((uintptr_t) &ivt);
81	srlz_d();	81	srlz_d();
82		82
83	}	83	}
84		84
85	void arch_post_mm_init(void)	85	void arch_post_mm_init(void)
86	{	86	{
87	irq_init(INR_COUNT, INR_COUNT);	87	irq_init(INR_COUNT, INR_COUNT);
88	#ifdef SKI	88	#ifdef SKI
89	ski_init_console();	89	ski_init_console();
90	#else	90	#else
91	ega_init();	91	ega_init();
92	#endif	92	#endif
93	it_init();	93	it_init();
94	}	94	}
95		95
96	void arch_post_cpu_init(void)	96	void arch_post_cpu_init(void)
97	{	97	{
98	}	98	}
99		99
100	void arch_pre_smp_init(void)	100	void arch_pre_smp_init(void)
101	{	101	{
102	}	102	}
103		103
104	void arch_post_smp_init(void)	104	void arch_post_smp_init(void)
105	{	105	{
106		106
107	if (config.cpu_active == 1) {	107	if (config.cpu_active == 1) {
108	/*	108	/*
109	* Create thread that polls keyboard.	109	* Create thread that polls keyboard.
110	*/	110	*/
111	#ifdef SKI	111	#ifdef SKI
112	thread_t *t;	112	thread_t *t;
113	t = thread_create(kkbdpoll, NULL, TASK, 0, "kkbdpoll", true);	113	t = thread_create(kkbdpoll, NULL, TASK, 0, "kkbdpoll", true);
114	if (!t)	114	if (!t)
115	panic("cannot create kkbdpoll\n");	115	panic("cannot create kkbdpoll\n");
116	thread_ready(t);	116	thread_ready(t);
117	#endif	117	#endif
118	}	118	}
119	}	119	}
120		120
121	/** Enter userspace and never return. */	121	/** Enter userspace and never return. */
122	void userspace(uspace_arg_t *kernel_uarg)	122	void userspace(uspace_arg_t *kernel_uarg)
123	{	123	{
124	psr_t psr;	124	psr_t psr;
125	rsc_t rsc;	125	rsc_t rsc;
126		126
127	psr.value = psr_read();	127	psr.value = psr_read();
128	psr.cpl = PL_USER;	128	psr.cpl = PL_USER;
129	psr.i = true; /* start with interrupts enabled */	129	psr.i = true; /* start with interrupts enabled */
130	psr.ic = true;	130	psr.ic = true;
131	psr.ri = 0; /* start with instruction #0 */	131	psr.ri = 0; /* start with instruction #0 */
132	psr.bn = 1; /* start in bank 0 */	132	psr.bn = 1; /* start in bank 0 */
133		133
134	asm volatile ("mov %0 = ar.rsc\n" : "=r" (rsc.value));	134	asm volatile ("mov %0 = ar.rsc\n" : "=r" (rsc.value));
135	rsc.loadrs = 0;	135	rsc.loadrs = 0;
136	rsc.be = false;	136	rsc.be = false;
137	rsc.pl = PL_USER;	137	rsc.pl = PL_USER;
138	rsc.mode = 3; /* eager mode */	138	rsc.mode = 3; /* eager mode */
139		139
140	switch_to_userspace((uintptr_t) kernel_uarg->uspace_entry,	140	switch_to_userspace((uintptr_t) kernel_uarg->uspace_entry,
141	((uintptr_t) kernel_uarg->uspace_stack)+PAGE_SIZE-ALIGN_UP(STACK_ITEM_SIZE, STACK_ALIGNMENT),	141	((uintptr_t) kernel_uarg->uspace_stack)+PAGE_SIZE-ALIGN_UP(STACK_ITEM_SIZE, STACK_ALIGNMENT),
142	((uintptr_t) kernel_uarg->uspace_stack)+PAGE_SIZE,	142	((uintptr_t) kernel_uarg->uspace_stack)+PAGE_SIZE,
143	(uintptr_t) kernel_uarg->uspace_uarg,	143	(uintptr_t) kernel_uarg->uspace_uarg,
144	psr.value, rsc.value);	144	psr.value, rsc.value);
145		145
146	while (1) {	146	while (1) {
147	;	147	;
148	}	148	}
149	}	149	}
150		150
151	/** Set thread-local-storage pointer.	151	/** Set thread-local-storage pointer.
152	*	152	*
153	* We use r13 (a.k.a. tp) for this purpose.	153	* We use r13 (a.k.a. tp) for this purpose.
154	*/	154	*/
155	unative_t sys_tls_set(unative_t addr)	155	unative_t sys_tls_set(unative_t addr)
156	{	156	{
157	return 0;	157	return 0;
158	}	158	}
159		159
160	/** Acquire console back for kernel	160	/** Acquire console back for kernel
161	*	161	*
162	*/	162	*/
163	void arch_grab_console(void)	163	void arch_grab_console(void)
164	{	164	{
165	#ifdef SKI	165	#ifdef SKI
166	ski_kbd_grab();	166	ski_kbd_grab();
167	#endif	167	#endif
168	}	168	}
169	/** Return console to userspace	169	/** Return console to userspace
170	*	170	*
171	*/	171	*/
172	void arch_release_console(void)	172	void arch_release_console(void)
173	{	173	{
174	#ifdef SKI	174	#ifdef SKI
175	ski_kbd_release();	175	ski_kbd_release();
176	#endif	176	#endif
177	}	177	}
178		178
-		179	void arch_reboot(void)
-		180	{
-		181	// TODO
-		182	while (1);
-		183	}
-		184
179	/** @}	185	/** @}
180	*/	186	*/
181		187

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(root)/branches/rcu/kernel/arch/ia64/src/ia64.c – Rev 2131 → 2307