WebSVN – HelenOS-historic – Diff – /kernel/trunk/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  
 * @ingroup others
 * @{
 */
/** @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>
 
static int kbd_release=0;
 
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((__address) &ivt);
    srlz_d();
   
    ski_init_console();
    it_init(); 
}
 
void arch_post_mm_init(void)
{
    ski_set_console_sysinfo();
}
 
void arch_pre_smp_init(void)
{
}
 
void arch_post_smp_init(void)
{
}
 
/** 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((__address) kernel_uarg->uspace_entry,
                ((__address) kernel_uarg->uspace_stack)+PAGE_SIZE-ALIGN_UP(STACK_ITEM_SIZE, STACK_ALIGNMENT),
                ((__address) kernel_uarg->uspace_stack)+PAGE_SIZE,
                (__address) 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.
 */
__native sys_tls_set(__native addr)
{
        return 0;
}
 
/** Acquire console back for kernel
 *
 */
void arch_grab_console(void)
{
    kbd_release=kbd_uspace;
    kbd_uspace=0;
}
/** Return console to userspace
 *
 */
void arch_release_console(void)
{
    kbd_uspace=kbd_release;
}
 
 /** @}
 */
 
 

Rev 1601	Rev 1702
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
-		30	* @ingroup others
-		31	* @{
-		32	*/
-		33	/** @file
-		34	*/
-		35
29	#include <arch.h>	36	#include <arch.h>
30	#include <arch/ski/ski.h>	37	#include <arch/ski/ski.h>
31	#include <arch/drivers/it.h>	38	#include <arch/drivers/it.h>
32	#include <arch/interrupt.h>	39	#include <arch/interrupt.h>
33	#include <arch/barrier.h>	40	#include <arch/barrier.h>
34	#include <arch/asm.h>	41	#include <arch/asm.h>
35	#include <arch/register.h>	42	#include <arch/register.h>
36	#include <arch/types.h>	43	#include <arch/types.h>
37	#include <arch/context.h>	44	#include <arch/context.h>
38	#include <arch/stack.h>	45	#include <arch/stack.h>
39	#include <arch/mm/page.h>	46	#include <arch/mm/page.h>
40	#include <mm/as.h>	47	#include <mm/as.h>
41	#include <config.h>	48	#include <config.h>
42	#include <userspace.h>	49	#include <userspace.h>
43	#include <console/console.h>	50	#include <console/console.h>
44	#include <proc/uarg.h>	51	#include <proc/uarg.h>
45	#include <syscall/syscall.h>	52	#include <syscall/syscall.h>
46		53
47	static int kbd_release=0;	54	static int kbd_release=0;
48		55
49	void arch_pre_main(void)	56	void arch_pre_main(void)
50	{	57	{
51	/* Setup usermode init tasks. */	58	/* Setup usermode init tasks. */
52	init.cnt = 8;	59	init.cnt = 8;
53	init.tasks[0].addr = INIT0_ADDRESS;	60	init.tasks[0].addr = INIT0_ADDRESS;
54	init.tasks[0].size = INIT0_SIZE;	61	init.tasks[0].size = INIT0_SIZE;
55	init.tasks[1].addr = INIT0_ADDRESS + 0x400000;	62	init.tasks[1].addr = INIT0_ADDRESS + 0x400000;
56	init.tasks[1].size = INIT0_SIZE;	63	init.tasks[1].size = INIT0_SIZE;
57	init.tasks[2].addr = INIT0_ADDRESS + 0x800000;	64	init.tasks[2].addr = INIT0_ADDRESS + 0x800000;
58	init.tasks[2].size = INIT0_SIZE;	65	init.tasks[2].size = INIT0_SIZE;
59	init.tasks[3].addr = INIT0_ADDRESS + 0xc00000;	66	init.tasks[3].addr = INIT0_ADDRESS + 0xc00000;
60	init.tasks[3].size = INIT0_SIZE;	67	init.tasks[3].size = INIT0_SIZE;
61	init.tasks[4].addr = INIT0_ADDRESS + 0x1000000;	68	init.tasks[4].addr = INIT0_ADDRESS + 0x1000000;
62	init.tasks[4].size = INIT0_SIZE;	69	init.tasks[4].size = INIT0_SIZE;
63	init.tasks[5].addr = INIT0_ADDRESS + 0x1400000;	70	init.tasks[5].addr = INIT0_ADDRESS + 0x1400000;
64	init.tasks[5].size = INIT0_SIZE;	71	init.tasks[5].size = INIT0_SIZE;
65	init.tasks[6].addr = INIT0_ADDRESS + 0x1800000;	72	init.tasks[6].addr = INIT0_ADDRESS + 0x1800000;
66	init.tasks[6].size = INIT0_SIZE;	73	init.tasks[6].size = INIT0_SIZE;
67	init.tasks[7].addr = INIT0_ADDRESS + 0x1c00000;	74	init.tasks[7].addr = INIT0_ADDRESS + 0x1c00000;
68	init.tasks[7].size = INIT0_SIZE;	75	init.tasks[7].size = INIT0_SIZE;
69	}	76	}
70		77
71	void arch_pre_mm_init(void)	78	void arch_pre_mm_init(void)
72	{	79	{
73	/* Set Interruption Vector Address (i.e. location of interruption vector table). */	80	/* Set Interruption Vector Address (i.e. location of interruption vector table). */
74	iva_write((__address) &ivt);	81	iva_write((__address) &ivt);
75	srlz_d();	82	srlz_d();
76		83
77	ski_init_console();	84	ski_init_console();
78	it_init();	85	it_init();
79	}	86	}
80		87
81	void arch_post_mm_init(void)	88	void arch_post_mm_init(void)
82	{	89	{
83	ski_set_console_sysinfo();	90	ski_set_console_sysinfo();
84	}	91	}
85		92
86	void arch_pre_smp_init(void)	93	void arch_pre_smp_init(void)
87	{	94	{
88	}	95	}
89		96
90	void arch_post_smp_init(void)	97	void arch_post_smp_init(void)
91	{	98	{
92	}	99	}
93		100
94	/** Enter userspace and never return. */	101	/** Enter userspace and never return. */
95	void userspace(uspace_arg_t *kernel_uarg)	102	void userspace(uspace_arg_t *kernel_uarg)
96	{	103	{
97	psr_t psr;	104	psr_t psr;
98	rsc_t rsc;	105	rsc_t rsc;
99		106
100	psr.value = psr_read();	107	psr.value = psr_read();
101	psr.cpl = PL_USER;	108	psr.cpl = PL_USER;
102	psr.i = true; /* start with interrupts enabled */	109	psr.i = true; /* start with interrupts enabled */
103	psr.ic = true;	110	psr.ic = true;
104	psr.ri = 0; /* start with instruction #0 */	111	psr.ri = 0; /* start with instruction #0 */
105	psr.bn = 1; /* start in bank 0 */	112	psr.bn = 1; /* start in bank 0 */
106		113
107	__asm__ volatile ("mov %0 = ar.rsc\n" : "=r" (rsc.value));	114	__asm__ volatile ("mov %0 = ar.rsc\n" : "=r" (rsc.value));
108	rsc.loadrs = 0;	115	rsc.loadrs = 0;
109	rsc.be = false;	116	rsc.be = false;
110	rsc.pl = PL_USER;	117	rsc.pl = PL_USER;
111	rsc.mode = 3; /* eager mode */	118	rsc.mode = 3; /* eager mode */
112		119
113	switch_to_userspace((__address) kernel_uarg->uspace_entry,	120	switch_to_userspace((__address) kernel_uarg->uspace_entry,
114	((__address) kernel_uarg->uspace_stack)+PAGE_SIZE-ALIGN_UP(STACK_ITEM_SIZE, STACK_ALIGNMENT),	121	((__address) kernel_uarg->uspace_stack)+PAGE_SIZE-ALIGN_UP(STACK_ITEM_SIZE, STACK_ALIGNMENT),
115	((__address) kernel_uarg->uspace_stack)+PAGE_SIZE,	122	((__address) kernel_uarg->uspace_stack)+PAGE_SIZE,
116	(__address) kernel_uarg->uspace_uarg,	123	(__address) kernel_uarg->uspace_uarg,
117	psr.value, rsc.value);	124	psr.value, rsc.value);
118		125
119	while (1) {	126	while (1) {
120	;	127	;
121	}	128	}
122	}	129	}
123		130
124	/** Set thread-local-storage pointer.	131	/** Set thread-local-storage pointer.
125	*	132	*
126	* We use r13 (a.k.a. tp) for this purpose.	133	* We use r13 (a.k.a. tp) for this purpose.
127	*/	134	*/
128	__native sys_tls_set(__native addr)	135	__native sys_tls_set(__native addr)
129	{	136	{
130	return 0;	137	return 0;
131	}	138	}
132		139
133	/** Acquire console back for kernel	140	/** Acquire console back for kernel
134	*	141	*
135	*/	142	*/
136	void arch_grab_console(void)	143	void arch_grab_console(void)
137	{	144	{
138	kbd_release=kbd_uspace;	145	kbd_release=kbd_uspace;
139	kbd_uspace=0;	146	kbd_uspace=0;
140	}	147	}
141	/** Return console to userspace	148	/** Return console to userspace
142	*	149	*
143	*/	150	*/
144	void arch_release_console(void)	151	void arch_release_console(void)
145	{	152	{
146	kbd_uspace=kbd_release;	153	kbd_uspace=kbd_release;
147	}	154	}
-		155
-		156	/** @}
-		157	*/
-		158
148		159

Subversion Repositories HelenOS-historic

(root)/kernel/trunk/arch/ia64/src/ia64.c – Rev 1601 → 1702