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 <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);
 
 
    }
}
 
void arch_post_cpu_init(void)
{
}
 
void arch_pre_smp_init(void)
{
}
 
void arch_post_smp_init(void)
{
    if (config.cpu_active == 1) {
        standalone_sparc64_console_init();
 
 
 
        /* Create thread that polls keyboard.
         * XXX: this is only used by sgcn now
         */
        thread_t *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 4032	Rev 4042
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	#include <string.h>
51		51
52	bootinfo_t bootinfo;	52	bootinfo_t bootinfo;
53		53
54	/** Perform sparc64-specific initialization before main_bsp() is called. */	54	/** Perform sparc64-specific initialization before main_bsp() is called. */
55	void arch_pre_main(void)	55	void arch_pre_main(void)
56	{	56	{
57	/* Copy init task info. */	57	/* Copy init task info. */
58	init.cnt = bootinfo.taskmap.count;	58	init.cnt = bootinfo.taskmap.count;
59		59
60	uint32_t i;	60	uint32_t i;
61		61
62	for (i = 0; i < bootinfo.taskmap.count; i++) {	62	for (i = 0; i < bootinfo.taskmap.count; i++) {
63	init.tasks[i].addr = (uintptr_t) bootinfo.taskmap.tasks[i].addr;	63	init.tasks[i].addr = (uintptr_t) bootinfo.taskmap.tasks[i].addr;
64	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,	65	strncpy(init.tasks[i].name, bootinfo.taskmap.tasks[i].name,
66	CONFIG_TASK_NAME_BUFLEN);	66	CONFIG_TASK_NAME_BUFLEN);
67	}	67	}
68		68
69	/* Copy boot allocations info. */	69	/* Copy boot allocations info. */
70	ballocs.base = bootinfo.ballocs.base;	70	ballocs.base = bootinfo.ballocs.base;
71	ballocs.size = bootinfo.ballocs.size;	71	ballocs.size = bootinfo.ballocs.size;
72		72
73	ofw_tree_init(bootinfo.ofw_root);	73	ofw_tree_init(bootinfo.ofw_root);
74	}	74	}
75		75
76	/** Perform sparc64 specific initialization before mm is initialized. */	76	/** Perform sparc64 specific initialization before mm is initialized. */
77	void arch_pre_mm_init(void)	77	void arch_pre_mm_init(void)
78	{	78	{
79	if (config.cpu_active == 1)	79	if (config.cpu_active == 1)
80	trap_init();	80	trap_init();
81	}	81	}
82		82
83	/** Perform sparc64 specific initialization afterr mm is initialized. */	83	/** Perform sparc64 specific initialization afterr mm is initialized. */
84	void arch_post_mm_init(void)	84	void arch_post_mm_init(void)
85	{	85	{
86	if (config.cpu_active == 1) {	86	if (config.cpu_active == 1) {
87	/*	87	/*
88	* We have 2^11 different interrupt vectors.	88	* We have 2^11 different interrupt vectors.
89	* But we only create 128 buckets.	89	* But we only create 128 buckets.
90	*/	90	*/
91	irq_init(1 << 11, 128);	91	irq_init(1 << 11, 128);
92		-
93	standalone_sparc64_console_init();	-
94	}	92	}
95	}	93	}
96		94
97	void arch_post_cpu_init(void)	95	void arch_post_cpu_init(void)
98	{	96	{
99	}	97	}
100		98
101	void arch_pre_smp_init(void)	99	void arch_pre_smp_init(void)
102	{	100	{
103	}	101	}
104		102
105	void arch_post_smp_init(void)	103	void arch_post_smp_init(void)
106	{	104	{
107	static thread_t *t = NULL;	105	if (config.cpu_active == 1) {
-		106	standalone_sparc64_console_init();
108		107
109	if (!t) {	-
110	/*	-
111	* Create thread that polls keyboard.	108	/* Create thread that polls keyboard.
-		109	* XXX: this is only used by sgcn now
112	*/	110	*/
113	t = thread_create(kkbdpoll, NULL, TASK, 0, "kkbdpoll", true);	111	thread_t *t = thread_create(kkbdpoll, NULL, TASK, 0, "kkbdpoll",
-		112	true);
114	if (!t)	113	if (!t)
115	panic("Cannot create kkbdpoll.");	114	panic("Cannot create kkbdpoll.");
116	thread_ready(t);	115	thread_ready(t);
117	}	116	}
118	}	117	}
119		118
120	/** Calibrate delay loop.	119	/** Calibrate delay loop.
121	*	120	*
122	* On sparc64, we implement delay() by waiting for the TICK register to	121	* On sparc64, we implement delay() by waiting for the TICK register to
123	* reach a pre-computed value, as opposed to performing some pre-computed	122	* reach a pre-computed value, as opposed to performing some pre-computed
124	* amount of instructions of known duration. We set the delay_loop_const	123	* amount of instructions of known duration. We set the delay_loop_const
125	* to 1 in order to neutralize the multiplication done by delay().	124	* to 1 in order to neutralize the multiplication done by delay().
126	*/	125	*/
127	void calibrate_delay_loop(void)	126	void calibrate_delay_loop(void)
128	{	127	{
129	CPU->delay_loop_const = 1;	128	CPU->delay_loop_const = 1;
130	}	129	}
131		130
132	/** Wait several microseconds.	131	/** Wait several microseconds.
133	*	132	*
134	* We assume that interrupts are already disabled.	133	* We assume that interrupts are already disabled.
135	*	134	*
136	* @param t Microseconds to wait.	135	* @param t Microseconds to wait.
137	*/	136	*/
138	void asm_delay_loop(const uint32_t usec)	137	void asm_delay_loop(const uint32_t usec)
139	{	138	{
140	uint64_t stop = tick_read() + (uint64_t) usec * (uint64_t)	139	uint64_t stop = tick_read() + (uint64_t) usec * (uint64_t)
141	CPU->arch.clock_frequency / 1000000;	140	CPU->arch.clock_frequency / 1000000;
142		141
143	while (tick_read() < stop)	142	while (tick_read() < stop)
144	;	143	;
145	}	144	}
146		145
147	/** Switch to userspace. */	146	/** Switch to userspace. */
148	void userspace(uspace_arg_t *kernel_uarg)	147	void userspace(uspace_arg_t *kernel_uarg)
149	{	148	{
150	switch_to_userspace((uintptr_t) kernel_uarg->uspace_entry,	149	switch_to_userspace((uintptr_t) kernel_uarg->uspace_entry,
151	((uintptr_t) kernel_uarg->uspace_stack) + STACK_SIZE	150	((uintptr_t) kernel_uarg->uspace_stack) + STACK_SIZE
152	- (ALIGN_UP(STACK_ITEM_SIZE, STACK_ALIGNMENT) + STACK_BIAS),	151	- (ALIGN_UP(STACK_ITEM_SIZE, STACK_ALIGNMENT) + STACK_BIAS),
153	(uintptr_t) kernel_uarg->uspace_uarg);	152	(uintptr_t) kernel_uarg->uspace_uarg);
154		153
155	for (;;)	154	for (;;)
156	;	155	;
157	/* not reached */	156	/* not reached */
158	}	157	}
159		158
160	void arch_reboot(void)	159	void arch_reboot(void)
161	{	160	{
162	// TODO	161	// TODO
163	while (1);	162	while (1);
164	}	163	}
165		164
166	/** Construct function pointer	165	/** Construct function pointer
167	*	166	*
168	* @param fptr function pointer structure	167	* @param fptr function pointer structure
169	* @param addr function address	168	* @param addr function address
170	* @param caller calling function address	169	* @param caller calling function address
171	*	170	*
172	* @return address of the function pointer	171	* @return address of the function pointer
173	*	172	*
174	*/	173	*/
175	void arch_construct_function(fncptr_t fptr, void addr, void caller)	174	void arch_construct_function(fncptr_t fptr, void addr, void caller)
176	{	175	{
177	return addr;	176	return addr;
178	}	177	}
179		178
180	/** @}	179	/** @}
181	*/	180	*/
182		181

Subversion Repositories HelenOS

(root)/trunk/kernel/arch/sparc64/src/sparc64.c @ 2114 – Rev 4032 → 4042