WebSVN – HelenOS – Diff – /branches/sparc/kernel/arch/sparc64/src/sun4v/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 <proc/thread.h>
#include <console/console.h>
#include <arch/boot/boot.h>
#include <arch/arch.h>
#include <arch/asm.h>
#include <arch/mm/page.h>
#include <arch/stack.h>
#include <genarch/ofw/ofw_tree.h>
#include <userspace.h>
#include <ddi/irq.h>
#include <print.h>
 
#include <arch/drivers/niagara.h>
 
bootinfo_t bootinfo;
 
/** Perform sparc64 specific initialization before main_bsp() is called. */
void arch_pre_main(void)
{
 
 
 
 
 
 
 
    /* Copy init task info. */
    init.cnt = bootinfo.taskmap.count;
 
    uint32_t i;
 
    for (i = 0; i < bootinfo.taskmap.count; i++) {
        init.tasks[i].addr = (uintptr_t) bootinfo.taskmap.tasks[i].addr;
        init.tasks[i].size = bootinfo.taskmap.tasks[i].size;
        printf("Task %d starts at %x and its size id %d.\n", i, init.tasks[i].addr, init.tasks[i].size);
    }
 
 
 
 
 
    // md_init();
}
 
/** Perform sparc64 specific initialization before mm is initialized. */
void arch_pre_mm_init(void)
{
    if (config.cpu_active == 1)
        trap_init();
}
 
/** Perform sparc64 specific initialization afterr mm is initialized. */
void arch_post_mm_init(void)
{
    if (config.cpu_active == 1) {
        /*
         * We have 2^11 different interrupt vectors.
         * But we only create 128 buckets.
         */
        irq_init(1 << 11, 128);
 
 
    }
 
    /*
     * Initialize Niagara input/output driver.
     */
    niagara_init();
}
 
void arch_post_cpu_init(void)
{
}
 
void arch_pre_smp_init(void)
{
}
 
void arch_post_smp_init(void)
{
    static thread_t *t = NULL;
 
 
    if (!t) {
        /*
             * Create thread that polls keyboard.
             */
        t = thread_create(kkbdpoll, NULL, TASK, 0, "kkbdpoll", true);
        if (!t)
            panic("cannot create kkbdpoll\n");
        thread_ready(t);
    }
}
 
/** Calibrate delay loop.
 *
 * On sparc64, we implement delay() by waiting for the TICK register to
 * reach a pre-computed value, as opposed to performing some pre-computed
 * amount of instructions of known duration. We set the delay_loop_const
 * to 1 in order to neutralize the multiplication done by delay().
 */
void calibrate_delay_loop(void)
{
    CPU->delay_loop_const = 1;
}
 
/** Wait several microseconds.
 *
 * We assume that interrupts are already disabled.
 *
 * @param t Microseconds to wait.
 */
void asm_delay_loop(const uint32_t usec)
{
    uint64_t stop = tick_read() + (uint64_t) usec * (uint64_t)
        CPU->arch.clock_frequency / 1000000;
 
    while (tick_read() < stop)
        ;
}
 
/** 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 */
}
 
void arch_reboot(void)
{
    // TODO
    while (1);
}
 
/** @}
 */
 

Rev 3748	Rev 3770
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 <proc/thread.h>	40	#include <proc/thread.h>
41	#include <console/console.h>	41	#include <console/console.h>
42	#include <arch/boot/boot.h>	42	#include <arch/boot/boot.h>
43	#include <arch/arch.h>	43	#include <arch/arch.h>
44	#include <arch/asm.h>	44	#include <arch/asm.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 <genarch/ofw/ofw_tree.h>	47	#include <genarch/ofw/ofw_tree.h>
48	#include <userspace.h>	48	#include <userspace.h>
49	#include <ddi/irq.h>	49	#include <ddi/irq.h>
50	#include <print.h>	50	#include <print.h>
51		51
52	#include <arch/drivers/niagara.h>	52	#include <arch/drivers/niagara.h>
53		53
54	bootinfo_t bootinfo;	54	bootinfo_t bootinfo;
55		55
56	/** Perform sparc64 specific initialization before main_bsp() is called. */	56	/** Perform sparc64 specific initialization before main_bsp() is called. */
57	void arch_pre_main(void)	57	void arch_pre_main(void)
58	{	58	{
59	/*	-
60	* Initialize Niagara input/output driver.	-
61	* This will be moved to arch_post_mm_init when the memory management	-
62	* is finished for sun4v.	-
63	*/	-
64	niagara_init();	-
65		-
66	/* Copy init task info. */	59	/* Copy init task info. */
67	init.cnt = bootinfo.taskmap.count;	60	init.cnt = bootinfo.taskmap.count;
68		61
69	uint32_t i;	62	uint32_t i;
70		63
71	for (i = 0; i < bootinfo.taskmap.count; i++) {	64	for (i = 0; i < bootinfo.taskmap.count; i++) {
72	init.tasks[i].addr = (uintptr_t) bootinfo.taskmap.tasks[i].addr;	65	init.tasks[i].addr = (uintptr_t) bootinfo.taskmap.tasks[i].addr;
73	init.tasks[i].size = bootinfo.taskmap.tasks[i].size;	66	init.tasks[i].size = bootinfo.taskmap.tasks[i].size;
-		67	printf("Task %d starts at %x and its size id %d.\n", i, init.tasks[i].addr, init.tasks[i].size);
74	}	68	}
75		-
76	/* Copy boot allocations info. */	-
77	ballocs.base = bootinfo.ballocs.base;	-
78	ballocs.size = bootinfo.ballocs.size;	-
79		69
80	ofw_tree_init(bootinfo.ofw_root);	70	// md_init();
81	}	71	}
82		72
83	/** Perform sparc64 specific initialization before mm is initialized. */	73	/** Perform sparc64 specific initialization before mm is initialized. */
84	void arch_pre_mm_init(void)	74	void arch_pre_mm_init(void)
85	{	75	{
86	if (config.cpu_active == 1)	76	if (config.cpu_active == 1)
87	trap_init();	77	trap_init();
88	}	78	}
89		79
90	/** Perform sparc64 specific initialization afterr mm is initialized. */	80	/** Perform sparc64 specific initialization afterr mm is initialized. */
91	void arch_post_mm_init(void)	81	void arch_post_mm_init(void)
92	{	82	{
93	if (config.cpu_active == 1) {	83	if (config.cpu_active == 1) {
94	/*	84	/*
95	* We have 2^11 different interrupt vectors.	85	* We have 2^11 different interrupt vectors.
96	* But we only create 128 buckets.	86	* But we only create 128 buckets.
97	*/	87	*/
98	irq_init(1 << 11, 128);	88	irq_init(1 << 11, 128);
99		-
100	standalone_sparc64_console_init();	-
101	}	89	}
-		90
-		91	/*
-		92	* Initialize Niagara input/output driver.
-		93	*/
-		94	niagara_init();
102	}	95	}
103		96
104	void arch_post_cpu_init(void)	97	void arch_post_cpu_init(void)
105	{	98	{
106	}	99	}
107		100
108	void arch_pre_smp_init(void)	101	void arch_pre_smp_init(void)
109	{	102	{
110	}	103	}
111		104
112	void arch_post_smp_init(void)	105	void arch_post_smp_init(void)
113	{	106	{
114	static thread_t *t = NULL;	107	static thread_t *t = NULL;
115		108
116		109
117	if (!t) {	110	if (!t) {
118	/*	111	/*
119	* Create thread that polls keyboard.	112	* Create thread that polls keyboard.
120	*/	113	*/
121	t = thread_create(kkbdpoll, NULL, TASK, 0, "kkbdpoll", true);	114	t = thread_create(kkbdpoll, NULL, TASK, 0, "kkbdpoll", true);
122	if (!t)	115	if (!t)
123	panic("cannot create kkbdpoll\n");	116	panic("cannot create kkbdpoll\n");
124	thread_ready(t);	117	thread_ready(t);
125	}	118	}
126	}	119	}
127		120
128	/** Calibrate delay loop.	121	/** Calibrate delay loop.
129	*	122	*
130	* On sparc64, we implement delay() by waiting for the TICK register to	123	* On sparc64, we implement delay() by waiting for the TICK register to
131	* reach a pre-computed value, as opposed to performing some pre-computed	124	* reach a pre-computed value, as opposed to performing some pre-computed
132	* amount of instructions of known duration. We set the delay_loop_const	125	* amount of instructions of known duration. We set the delay_loop_const
133	* to 1 in order to neutralize the multiplication done by delay().	126	* to 1 in order to neutralize the multiplication done by delay().
134	*/	127	*/
135	void calibrate_delay_loop(void)	128	void calibrate_delay_loop(void)
136	{	129	{
137	CPU->delay_loop_const = 1;	130	CPU->delay_loop_const = 1;
138	}	131	}
139		132
140	/** Wait several microseconds.	133	/** Wait several microseconds.
141	*	134	*
142	* We assume that interrupts are already disabled.	135	* We assume that interrupts are already disabled.
143	*	136	*
144	* @param t Microseconds to wait.	137	* @param t Microseconds to wait.
145	*/	138	*/
146	void asm_delay_loop(const uint32_t usec)	139	void asm_delay_loop(const uint32_t usec)
147	{	140	{
148	uint64_t stop = tick_read() + (uint64_t) usec * (uint64_t)	141	uint64_t stop = tick_read() + (uint64_t) usec * (uint64_t)
149	CPU->arch.clock_frequency / 1000000;	142	CPU->arch.clock_frequency / 1000000;
150		143
151	while (tick_read() < stop)	144	while (tick_read() < stop)
152	;	145	;
153	}	146	}
154		147
155	/** Switch to userspace. */	148	/** Switch to userspace. */
156	void userspace(uspace_arg_t *kernel_uarg)	149	void userspace(uspace_arg_t *kernel_uarg)
157	{	150	{
158	switch_to_userspace((uintptr_t) kernel_uarg->uspace_entry,	151	switch_to_userspace((uintptr_t) kernel_uarg->uspace_entry,
159	((uintptr_t) kernel_uarg->uspace_stack) + STACK_SIZE	152	((uintptr_t) kernel_uarg->uspace_stack) + STACK_SIZE
160	- (ALIGN_UP(STACK_ITEM_SIZE, STACK_ALIGNMENT) + STACK_BIAS),	153	- (ALIGN_UP(STACK_ITEM_SIZE, STACK_ALIGNMENT) + STACK_BIAS),
161	(uintptr_t) kernel_uarg->uspace_uarg);	154	(uintptr_t) kernel_uarg->uspace_uarg);
162		155
163	for (;;)	156	for (;;)
164	;	157	;
165	/* not reached */	158	/* not reached */
166	}	159	}
167		160
168	void arch_reboot(void)	161	void arch_reboot(void)
169	{	162	{
170	// TODO	163	// TODO
171	while (1);	164	while (1);
172	}	165	}
173		166
174	/** @}	167	/** @}
175	*/	168	*/
176		169

Subversion Repositories HelenOS

(root)/branches/sparc/kernel/arch/sparc64/src/sun4v/sparc64.c – Rev 3748 → 3770