WebSVN – HelenOS – Diff – /trunk/kernel/arch/sparc64/src/sparc64.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 sparc64
 * @{
 */
/** @file
 */
 
#include <arch.h>
#include <debug.h>
#include <config.h>
#include <arch/trap/trap.h>
#include <arch/console.h>
#include <arch/drivers/tick.h>
#include <proc/thread.h>
#include <console/console.h>
#include <arch/boot/boot.h>
#include <arch/arch.h>
#include <arch/mm/page.h>
#include <arch/stack.h>
#include <userspace.h>
 
bootinfo_t bootinfo;
 
void arch_pre_main(void)
{
    /* Setup usermode */
    init.cnt = bootinfo.taskmap.count;
   
    uint32_t i;
 
    for (i = 0; i < bootinfo.taskmap.count; i++) {
        init.tasks[i].addr = PA2KA(bootinfo.taskmap.tasks[i].addr);
        init.tasks[i].size = bootinfo.taskmap.tasks[i].size;
    }
}
 
void arch_pre_mm_init(void)
{
    trap_init();
    tick_init();
}
 
void arch_post_mm_init(void)
{
    standalone_sparc64_console_init();
}
 
void arch_pre_smp_init(void)
{
}
 
void arch_post_smp_init(void)
{
    thread_t *t;
 
    /*
         * Create thread that polls keyboard.
         */
    t = thread_create(kkbdpoll, NULL, TASK, 0, "kkbdpoll");
    if (!t)
        panic("cannot create kkbdpoll\n");
    thread_ready(t);
}
 
void calibrate_delay_loop(void)
{
}
 
 
 
 
 
 
 
 
 
 
 
 
 
 
/** Switch to userspace. */
void userspace(uspace_arg_t *kernel_uarg)
{
    switch_to_userspace((uintptr_t) kernel_uarg->uspace_entry,
        ((uintptr_t) kernel_uarg->uspace_stack) + STACK_SIZE
        - (ALIGN_UP(STACK_ITEM_SIZE, STACK_ALIGNMENT) + STACK_BIAS),
        (uintptr_t) kernel_uarg->uspace_uarg);
 
    for (;;)
        ;
    /* not reached */
}
 
/** @}
 */
 

Rev 1864	Rev 1875
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 sparc64	29	/** @addtogroup sparc64
30	* @{	30	* @{
31	*/	31	*/
32	/** @file	32	/** @file
33	*/	33	*/
34		34
35	#include <arch.h>	35	#include <arch.h>
36	#include <debug.h>	36	#include <debug.h>
37	#include <config.h>	37	#include <config.h>
38	#include <arch/trap/trap.h>	38	#include <arch/trap/trap.h>
39	#include <arch/console.h>	39	#include <arch/console.h>
40	#include <arch/drivers/tick.h>	40	#include <arch/drivers/tick.h>
41	#include <proc/thread.h>	41	#include <proc/thread.h>
42	#include <console/console.h>	42	#include <console/console.h>
43	#include <arch/boot/boot.h>	43	#include <arch/boot/boot.h>
44	#include <arch/arch.h>	44	#include <arch/arch.h>
45	#include <arch/mm/page.h>	45	#include <arch/mm/page.h>
46	#include <arch/stack.h>	46	#include <arch/stack.h>
47	#include <userspace.h>	47	#include <userspace.h>
48		48
49	bootinfo_t bootinfo;	49	bootinfo_t bootinfo;
50		50
51	void arch_pre_main(void)	51	void arch_pre_main(void)
52	{	52	{
53	/* Setup usermode */	53	/* Setup usermode */
54	init.cnt = bootinfo.taskmap.count;	54	init.cnt = bootinfo.taskmap.count;
55		55
56	uint32_t i;	56	uint32_t i;
57		57
58	for (i = 0; i < bootinfo.taskmap.count; i++) {	58	for (i = 0; i < bootinfo.taskmap.count; i++) {
59	init.tasks[i].addr = PA2KA(bootinfo.taskmap.tasks[i].addr);	59	init.tasks[i].addr = PA2KA(bootinfo.taskmap.tasks[i].addr);
60	init.tasks[i].size = bootinfo.taskmap.tasks[i].size;	60	init.tasks[i].size = bootinfo.taskmap.tasks[i].size;
61	}	61	}
62	}	62	}
63		63
64	void arch_pre_mm_init(void)	64	void arch_pre_mm_init(void)
65	{	65	{
66	trap_init();	66	trap_init();
67	tick_init();	67	tick_init();
68	}	68	}
69		69
70	void arch_post_mm_init(void)	70	void arch_post_mm_init(void)
71	{	71	{
72	standalone_sparc64_console_init();	72	standalone_sparc64_console_init();
73	}	73	}
74		74
75	void arch_pre_smp_init(void)	75	void arch_pre_smp_init(void)
76	{	76	{
77	}	77	}
78		78
79	void arch_post_smp_init(void)	79	void arch_post_smp_init(void)
80	{	80	{
81	thread_t *t;	81	thread_t *t;
82		82
83	/*	83	/*
84	* Create thread that polls keyboard.	84	* Create thread that polls keyboard.
85	*/	85	*/
86	t = thread_create(kkbdpoll, NULL, TASK, 0, "kkbdpoll");	86	t = thread_create(kkbdpoll, NULL, TASK, 0, "kkbdpoll");
87	if (!t)	87	if (!t)
88	panic("cannot create kkbdpoll\n");	88	panic("cannot create kkbdpoll\n");
89	thread_ready(t);	89	thread_ready(t);
90	}	90	}
91		91
92	void calibrate_delay_loop(void)	92	void calibrate_delay_loop(void)
93	{	93	{
94	}	94	}
95		95
96	/** Acquire console back for kernel	-
97	*	-
98	*/	-
99	void arch_grab_console(void)	-
100	{	-
101	}	-
102	/** Return console to userspace	-
103	*	-
104	*/	-
105	void arch_release_console(void)	-
106	{	-
107	}	-
108		-
109	/** Switch to userspace. */	96	/** Switch to userspace. */
110	void userspace(uspace_arg_t *kernel_uarg)	97	void userspace(uspace_arg_t *kernel_uarg)
111	{	98	{
112	switch_to_userspace((uintptr_t) kernel_uarg->uspace_entry,	99	switch_to_userspace((uintptr_t) kernel_uarg->uspace_entry,
113	((uintptr_t) kernel_uarg->uspace_stack) + STACK_SIZE	100	((uintptr_t) kernel_uarg->uspace_stack) + STACK_SIZE
114	- (ALIGN_UP(STACK_ITEM_SIZE, STACK_ALIGNMENT) + STACK_BIAS),	101	- (ALIGN_UP(STACK_ITEM_SIZE, STACK_ALIGNMENT) + STACK_BIAS),
115	(uintptr_t) kernel_uarg->uspace_uarg);	102	(uintptr_t) kernel_uarg->uspace_uarg);
116		103
117	for (;;)	104	for (;;)
118	;	105	;
119	/* not reached */	106	/* not reached */
120	}	107	}
121		108
122	/** @}	109	/** @}
123	*/	110	*/
124		111

Subversion Repositories HelenOS

(root)/trunk/kernel/arch/sparc64/src/sparc64.c – Rev 1864 → 1875