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
    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)
{
    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 2519	Rev 2745
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	unsigned int i;
-		66
66	init.cnt = bootinfo->taskmap.count;	67	init.cnt = bootinfo->taskmap.count;
67	for(i=0;i<init.cnt;i++)	-
68	{	68
-		69	for (i = 0; i < init.cnt; i++) {
69	init.tasks[i].addr = ((unsigned long)bootinfo->taskmap.tasks[i].addr)\|VRN_MASK;	70	init.tasks[i].addr = ((unsigned long) bootinfo->taskmap.tasks[i].addr) \| VRN_MASK;
70	init.tasks[i].size = bootinfo->taskmap.tasks[i].size;	71	init.tasks[i].size = bootinfo->taskmap.tasks[i].size;
71	}	72	}
72	/*	73	/*
73	#else	74	#else
74	init.cnt = 8;	75	init.cnt = 8;
75	init.tasks[0].addr = INIT0_ADDRESS;	76	init.tasks[0].addr = INIT0_ADDRESS;
76	init.tasks[0].size = INIT0_SIZE;	77	init.tasks[0].size = INIT0_SIZE;
77	init.tasks[1].addr = INIT0_ADDRESS + 0x400000;	78	init.tasks[1].addr = INIT0_ADDRESS + 0x400000;
78	init.tasks[1].size = INIT0_SIZE;	79	init.tasks[1].size = INIT0_SIZE;
79	init.tasks[2].addr = INIT0_ADDRESS + 0x800000;	80	init.tasks[2].addr = INIT0_ADDRESS + 0x800000;
80	init.tasks[2].size = INIT0_SIZE;	81	init.tasks[2].size = INIT0_SIZE;
81	init.tasks[3].addr = INIT0_ADDRESS + 0xc00000;	82	init.tasks[3].addr = INIT0_ADDRESS + 0xc00000;
82	init.tasks[3].size = INIT0_SIZE;	83	init.tasks[3].size = INIT0_SIZE;
83	init.tasks[4].addr = INIT0_ADDRESS + 0x1000000;	84	init.tasks[4].addr = INIT0_ADDRESS + 0x1000000;
84	init.tasks[4].size = INIT0_SIZE;	85	init.tasks[4].size = INIT0_SIZE;
85	init.tasks[5].addr = INIT0_ADDRESS + 0x1400000;	86	init.tasks[5].addr = INIT0_ADDRESS + 0x1400000;
86	init.tasks[5].size = INIT0_SIZE;	87	init.tasks[5].size = INIT0_SIZE;
87	init.tasks[6].addr = INIT0_ADDRESS + 0x1800000;	88	init.tasks[6].addr = INIT0_ADDRESS + 0x1800000;
88	init.tasks[6].size = INIT0_SIZE;	89	init.tasks[6].size = INIT0_SIZE;
89	init.tasks[7].addr = INIT0_ADDRESS + 0x1c00000;	90	init.tasks[7].addr = INIT0_ADDRESS + 0x1c00000;
90	init.tasks[7].size = INIT0_SIZE;	91	init.tasks[7].size = INIT0_SIZE;
91	#endif*/	92	#endif*/
92	}	93	}
93		94
94	void arch_pre_mm_init(void)	95	void arch_pre_mm_init(void)
95	{	96	{
96	/* Set Interruption Vector Address (i.e. location of interruption vector table). */	97	/* Set Interruption Vector Address (i.e. location of interruption vector table). */
97	iva_write((uintptr_t) &ivt);	98	iva_write((uintptr_t) &ivt);
98	srlz_d();	99	srlz_d();
99		100
100	}	101	}
101		102
102	void arch_post_mm_init(void)	103	void arch_post_mm_init(void)
103	{	104	{
104	irq_init(INR_COUNT, INR_COUNT);	105	irq_init(INR_COUNT, INR_COUNT);
105	#ifdef SKI	106	#ifdef SKI
106	ski_init_console();	107	ski_init_console();
107	#else	108	#else
108	ega_init();	109	ega_init();
109	#endif	110	#endif
110	it_init();	111	it_init();
111	}	112	}
112		113
113	void arch_post_cpu_init(void)	114	void arch_post_cpu_init(void)
114	{	115	{
115	}	116	}
116		117
117	void arch_pre_smp_init(void)	118	void arch_pre_smp_init(void)
118	{	119	{
119	}	120	}
120		121
121		122
122	#ifdef I460GX	123	#ifdef I460GX
123	#define POLL_INTERVAL 50000 /* 50 ms */	124	#define POLL_INTERVAL 50000 /* 50 ms */
124	/** Kernel thread for polling keyboard. */	125	/** Kernel thread for polling keyboard. */
125	static void i8042_kkbdpoll(void *arg)	126	static void i8042_kkbdpoll(void *arg)
126	{	127	{
127	while (1) {	128	while (1) {
128	i8042_poll();	129	i8042_poll();
129	thread_usleep(POLL_INTERVAL);	130	thread_usleep(POLL_INTERVAL);
130	}	131	}
131	}	132	}
132	#endif	133	#endif
133		134
134	void arch_post_smp_init(void)	135	void arch_post_smp_init(void)
135	{	136	{
136		137
137	if (config.cpu_active == 1) {	138	if (config.cpu_active == 1) {
138	/*	139	/*
139	* Create thread that polls keyboard.	140	* Create thread that polls keyboard.
140	*/	141	*/
141	#ifdef SKI	142	#ifdef SKI
142	thread_t *t;	143	thread_t *t;
143	t = thread_create(kkbdpoll, NULL, TASK, 0, "kkbdpoll", true);	144	t = thread_create(kkbdpoll, NULL, TASK, 0, "kkbdpoll", true);
144	if (!t)	145	if (!t)
145	panic("cannot create kkbdpoll\n");	146	panic("cannot create kkbdpoll\n");
146	thread_ready(t);	147	thread_ready(t);
147	#endif	148	#endif
148		149
149	#ifdef I460GX	150	#ifdef I460GX
150	devno_t kbd = device_assign_devno();	151	devno_t kbd = device_assign_devno();
151	devno_t mouse = device_assign_devno();	152	devno_t mouse = device_assign_devno();
152	/* keyboard controller */	153	/* keyboard controller */
153	i8042_init(kbd, IRQ_KBD, mouse, IRQ_MOUSE);	154	i8042_init(kbd, IRQ_KBD, mouse, IRQ_MOUSE);
154		155
155	thread_t *t;	156	thread_t *t;
156	t = thread_create(i8042_kkbdpoll, NULL, TASK, 0, "kkbdpoll", true);	157	t = thread_create(i8042_kkbdpoll, NULL, TASK, 0, "kkbdpoll", true);
157	if (!t)	158	if (!t)
158	panic("cannot create kkbdpoll\n");	159	panic("cannot create kkbdpoll\n");
159	thread_ready(t);	160	thread_ready(t);
160		161
161	#endif	162	#endif
162		163
163	}	164	}
164	}	165	}
165		166
166	/** Enter userspace and never return. */	167	/** Enter userspace and never return. */
167	void userspace(uspace_arg_t *kernel_uarg)	168	void userspace(uspace_arg_t *kernel_uarg)
168	{	169	{
169	psr_t psr;	170	psr_t psr;
170	rsc_t rsc;	171	rsc_t rsc;
171		172
172	psr.value = psr_read();	173	psr.value = psr_read();
173	psr.cpl = PL_USER;	174	psr.cpl = PL_USER;
174	psr.i = true; /* start with interrupts enabled */	175	psr.i = true; /* start with interrupts enabled */
175	psr.ic = true;	176	psr.ic = true;
176	psr.ri = 0; /* start with instruction #0 */	177	psr.ri = 0; /* start with instruction #0 */
177	psr.bn = 1; /* start in bank 0 */	178	psr.bn = 1; /* start in bank 0 */
178		179
179	asm volatile ("mov %0 = ar.rsc\n" : "=r" (rsc.value));	180	asm volatile ("mov %0 = ar.rsc\n" : "=r" (rsc.value));
180	rsc.loadrs = 0;	181	rsc.loadrs = 0;
181	rsc.be = false;	182	rsc.be = false;
182	rsc.pl = PL_USER;	183	rsc.pl = PL_USER;
183	rsc.mode = 3; /* eager mode */	184	rsc.mode = 3; /* eager mode */
184		185
185	switch_to_userspace((uintptr_t) kernel_uarg->uspace_entry,	186	switch_to_userspace((uintptr_t) kernel_uarg->uspace_entry,
186	((uintptr_t) kernel_uarg->uspace_stack)+PAGE_SIZE-ALIGN_UP(STACK_ITEM_SIZE, STACK_ALIGNMENT),	187	((uintptr_t) kernel_uarg->uspace_stack)+PAGE_SIZE-ALIGN_UP(STACK_ITEM_SIZE, STACK_ALIGNMENT),
187	((uintptr_t) kernel_uarg->uspace_stack)+PAGE_SIZE,	188	((uintptr_t) kernel_uarg->uspace_stack)+PAGE_SIZE,
188	(uintptr_t) kernel_uarg->uspace_uarg,	189	(uintptr_t) kernel_uarg->uspace_uarg,
189	psr.value, rsc.value);	190	psr.value, rsc.value);
190		191
191	while (1) {	192	while (1) {
192	;	193	;
193	}	194	}
194	}	195	}
195		196
196	/** Set thread-local-storage pointer.	197	/** Set thread-local-storage pointer.
197	*	198	*
198	* We use r13 (a.k.a. tp) for this purpose.	199	* We use r13 (a.k.a. tp) for this purpose.
199	*/	200	*/
200	unative_t sys_tls_set(unative_t addr)	201	unative_t sys_tls_set(unative_t addr)
201	{	202	{
202	return 0;	203	return 0;
203	}	204	}
204		205
205	/** Acquire console back for kernel	206	/** Acquire console back for kernel
206	*	207	*
207	*/	208	*/
208	void arch_grab_console(void)	209	void arch_grab_console(void)
209	{	210	{
210	#ifdef SKI	211	#ifdef SKI
211	ski_kbd_grab();	212	ski_kbd_grab();
212	#endif	213	#endif
213	}	214	}
214	/** Return console to userspace	215	/** Return console to userspace
215	*	216	*
216	*/	217	*/
217	void arch_release_console(void)	218	void arch_release_console(void)
218	{	219	{
219	#ifdef SKI	220	#ifdef SKI
220	ski_kbd_release();	221	ski_kbd_release();
221	#endif	222	#endif
222	}	223	}
223		224
224	void arch_reboot(void)	225	void arch_reboot(void)
225	{	226	{
226	// TODO	227	// TODO
227	while (1);	228	while (1);
228	}	229	}
229		230
230	/** @}	231	/** @}
231	*/	232	*/
232		233

Subversion Repositories HelenOS

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