WebSVN – HelenOS – Diff – /branches/dynload/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 <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 <string.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;
        strncpy(init.tasks[i].name, bootinfo.taskmap.tasks[i].name,
            CONFIG_TASK_NAME_BUFLEN);
    }
   
    /* Copy boot allocations info. */
    ballocs.base = bootinfo.ballocs.base;
    ballocs.size = bootinfo.ballocs.size;
   
    ofw_tree_init(bootinfo.ofw_root);
}
 
/** 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);
 
        standalone_sparc64_console_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.");
        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);
}
 
/** Construct function pointer
 *
 * @param fptr   function pointer structure
 * @param addr   function address
 * @param caller calling function address
 *
 * @return address of the function pointer
 *
 */
void *arch_construct_function(fncptr_t *fptr, void *addr, void *caller)
{
    return addr;
}
 
/** @}
 */
 

Rev 4343	Rev 4345
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 <string.h>
50		51
51	bootinfo_t bootinfo;	52	bootinfo_t bootinfo;
52		53
53	/** Perform sparc64 specific initialization before main_bsp() is called. */	54	/** Perform sparc64-specific initialization before main_bsp() is called. */
54	void arch_pre_main(void)	55	void arch_pre_main(void)
55	{	56	{
56	/* Copy init task info. */	57	/* Copy init task info. */
57	init.cnt = bootinfo.taskmap.count;	58	init.cnt = bootinfo.taskmap.count;
58		59
59	uint32_t i;	60	uint32_t i;
60		61
61	for (i = 0; i < bootinfo.taskmap.count; i++) {	62	for (i = 0; i < bootinfo.taskmap.count; i++) {
62	init.tasks[i].addr = (uintptr_t) bootinfo.taskmap.tasks[i].addr;	63	init.tasks[i].addr = (uintptr_t) bootinfo.taskmap.tasks[i].addr;
63	init.tasks[i].size = bootinfo.taskmap.tasks[i].size;	64	init.tasks[i].size = bootinfo.taskmap.tasks[i].size;
-		65	strncpy(init.tasks[i].name, bootinfo.taskmap.tasks[i].name,
-		66	CONFIG_TASK_NAME_BUFLEN);
64	}	67	}
65		68
66	/* Copy boot allocations info. */	69	/* Copy boot allocations info. */
67	ballocs.base = bootinfo.ballocs.base;	70	ballocs.base = bootinfo.ballocs.base;
68	ballocs.size = bootinfo.ballocs.size;	71	ballocs.size = bootinfo.ballocs.size;
69		72
70	ofw_tree_init(bootinfo.ofw_root);	73	ofw_tree_init(bootinfo.ofw_root);
71	}	74	}
72		75
73	/** Perform sparc64 specific initialization before mm is initialized. */	76	/** Perform sparc64 specific initialization before mm is initialized. */
74	void arch_pre_mm_init(void)	77	void arch_pre_mm_init(void)
75	{	78	{
76	if (config.cpu_active == 1)	79	if (config.cpu_active == 1)
77	trap_init();	80	trap_init();
78	}	81	}
79		82
80	/** Perform sparc64 specific initialization afterr mm is initialized. */	83	/** Perform sparc64 specific initialization afterr mm is initialized. */
81	void arch_post_mm_init(void)	84	void arch_post_mm_init(void)
82	{	85	{
83	if (config.cpu_active == 1) {	86	if (config.cpu_active == 1) {
84	/*	87	/*
85	* We have 2^11 different interrupt vectors.	88	* We have 2^11 different interrupt vectors.
86	* But we only create 128 buckets.	89	* But we only create 128 buckets.
87	*/	90	*/
88	irq_init(1 << 11, 128);	91	irq_init(1 << 11, 128);
89		92
90	standalone_sparc64_console_init();	93	standalone_sparc64_console_init();
91	}	94	}
92	}	95	}
93		96
94	void arch_post_cpu_init(void)	97	void arch_post_cpu_init(void)
95	{	98	{
96	}	99	}
97		100
98	void arch_pre_smp_init(void)	101	void arch_pre_smp_init(void)
99	{	102	{
100	}	103	}
101		104
102	void arch_post_smp_init(void)	105	void arch_post_smp_init(void)
103	{	106	{
104	static thread_t *t = NULL;	107	static thread_t *t = NULL;
105		108
106	if (!t) {	109	if (!t) {
107	/*	110	/*
108	* Create thread that polls keyboard.	111	* Create thread that polls keyboard.
109	*/	112	*/
110	t = thread_create(kkbdpoll, NULL, TASK, 0, "kkbdpoll", true);	113	t = thread_create(kkbdpoll, NULL, TASK, 0, "kkbdpoll", true);
111	if (!t)	114	if (!t)
112	panic("Cannot create kkbdpoll.");	115	panic("Cannot create kkbdpoll.");
113	thread_ready(t);	116	thread_ready(t);
114	}	117	}
115	}	118	}
116		119
117	/** Calibrate delay loop.	120	/** Calibrate delay loop.
118	*	121	*
119	* On sparc64, we implement delay() by waiting for the TICK register to	122	* On sparc64, we implement delay() by waiting for the TICK register to
120	* reach a pre-computed value, as opposed to performing some pre-computed	123	* reach a pre-computed value, as opposed to performing some pre-computed
121	* amount of instructions of known duration. We set the delay_loop_const	124	* amount of instructions of known duration. We set the delay_loop_const
122	* to 1 in order to neutralize the multiplication done by delay().	125	* to 1 in order to neutralize the multiplication done by delay().
123	*/	126	*/
124	void calibrate_delay_loop(void)	127	void calibrate_delay_loop(void)
125	{	128	{
126	CPU->delay_loop_const = 1;	129	CPU->delay_loop_const = 1;
127	}	130	}
128		131
129	/** Wait several microseconds.	132	/** Wait several microseconds.
130	*	133	*
131	* We assume that interrupts are already disabled.	134	* We assume that interrupts are already disabled.
132	*	135	*
133	* @param t Microseconds to wait.	136	* @param t Microseconds to wait.
134	*/	137	*/
135	void asm_delay_loop(const uint32_t usec)	138	void asm_delay_loop(const uint32_t usec)
136	{	139	{
137	uint64_t stop = tick_read() + (uint64_t) usec * (uint64_t)	140	uint64_t stop = tick_read() + (uint64_t) usec * (uint64_t)
138	CPU->arch.clock_frequency / 1000000;	141	CPU->arch.clock_frequency / 1000000;
139		142
140	while (tick_read() < stop)	143	while (tick_read() < stop)
141	;	144	;
142	}	145	}
143		146
144	/** Switch to userspace. */	147	/** Switch to userspace. */
145	void userspace(uspace_arg_t *kernel_uarg)	148	void userspace(uspace_arg_t *kernel_uarg)
146	{	149	{
147	switch_to_userspace((uintptr_t) kernel_uarg->uspace_entry,	150	switch_to_userspace((uintptr_t) kernel_uarg->uspace_entry,
148	((uintptr_t) kernel_uarg->uspace_stack) + STACK_SIZE	151	((uintptr_t) kernel_uarg->uspace_stack) + STACK_SIZE
149	- (ALIGN_UP(STACK_ITEM_SIZE, STACK_ALIGNMENT) + STACK_BIAS),	152	- (ALIGN_UP(STACK_ITEM_SIZE, STACK_ALIGNMENT) + STACK_BIAS),
150	(uintptr_t) kernel_uarg->uspace_uarg);	153	(uintptr_t) kernel_uarg->uspace_uarg);
151		154
152	for (;;)	155	for (;;)
153	;	156	;
154	/* not reached */	157	/* not reached */
155	}	158	}
156		159
157	void arch_reboot(void)	160	void arch_reboot(void)
158	{	161	{
159	// TODO	162	// TODO
160	while (1);	163	while (1);
161	}	164	}
162		165
163	/** Construct function pointer	166	/** Construct function pointer
164	*	167	*
165	* @param fptr function pointer structure	168	* @param fptr function pointer structure
166	* @param addr function address	169	* @param addr function address
167	* @param caller calling function address	170	* @param caller calling function address
168	*	171	*
169	* @return address of the function pointer	172	* @return address of the function pointer
170	*	173	*
171	*/	174	*/
172	void arch_construct_function(fncptr_t fptr, void addr, void caller)	175	void arch_construct_function(fncptr_t fptr, void addr, void caller)
173	{	176	{
174	return addr;	177	return addr;
175	}	178	}
176		179
177	/** @}	180	/** @}
178	*/	181	*/
179		182

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(root)/branches/dynload/kernel/arch/sparc64/src/sparc64.c – Rev 4343 → 4345