Subversion Repositories HelenOS

Rev

Rev 4065 | Only display areas with differences | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 4065 Rev 4130
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>
 - 
 
37 
#include <config.h>
 - 
 
38 
#include <arch/trap/trap.h>
 - 
 
39 
#include <arch/console.h>
 - 
 
40 
#include <proc/thread.h>
 - 
 
41 
#include <console/console.h>
 - 
 
42 
#include <arch/boot/boot.h>
 36 
#include <arch/boot/boot.h>
43 
#include <arch/arch.h>
 - 
 
44 
#include <arch/asm.h>
 - 
 
45 
#include <arch/mm/page.h>
 - 
 
46 
#include <arch/stack.h>
 - 
 
47 
#include <arch/sun4v/md.h>
 37 
#include <arch/sun4v/md.h>
48 
#include <genarch/ofw/ofw_tree.h>
 - 
 
49 
#include <userspace.h>
 - 
 
50 
#include <ddi/irq.h>
 - 
 
51 
#include <print.h>
 - 
 
52 
 
 38 
 
53 
bootinfo_t bootinfo;
 - 
 
54 
 
 39 
 
55 
/** Perform sparc64 specific initialization before main_bsp() is called. */
 40 
/** Perform sparc64 specific initialization before main_bsp() is called. */
56 
void arch_pre_main(void)
 41 
void arch_pre_main(void)
57 
{
 42 
{
58 
    /* Copy init task info. */
 43 
    /* Copy init task info. */
59 
    init.cnt = bootinfo.taskmap.count;
 44 
    init.cnt = bootinfo.taskmap.count;
60 
 
 45 
 
61 
    uint32_t i;
 46 
    uint32_t i;
62 
 
 47 
 
63 
    for (i = 0; i < bootinfo.taskmap.count; i++) {
 48 
    for (i = 0; i < bootinfo.taskmap.count; i++) {
64 
        init.tasks[i].addr = (uintptr_t) bootinfo.taskmap.tasks[i].addr;
 49 
        init.tasks[i].addr = (uintptr_t) bootinfo.taskmap.tasks[i].addr;
65 
        init.tasks[i].size = bootinfo.taskmap.tasks[i].size;
 50 
        init.tasks[i].size = bootinfo.taskmap.tasks[i].size;
66 
    }
 51 
    }
67 
    md_init();
 52 
    md_init();
68 
}
 53 
}
69 
 
 - 
 
70 
/** Perform sparc64 specific initialization before mm is initialized. */
 - 
 
71 
void arch_pre_mm_init(void)
 - 
 
72 
{
 - 
 
73 
    if (config.cpu_active == 1)
 - 
 
74 
        trap_init();
 - 
 
75 
}
 - 
 
76 
 
 - 
 
77 
/** Perform sparc64 specific initialization afterr mm is initialized. */
 - 
 
78 
void arch_post_mm_init(void)
 - 
 
79 
{
 - 
 
80 
    if (config.cpu_active == 1) {
 - 
 
81 
        /*
 - 
 
82 
         * We have 2^11 different interrupt vectors.
 - 
 
83 
         * But we only create 128 buckets.
 - 
 
84 
         */
 - 
 
85 
        irq_init(1 << 11, 128);
 - 
 
86 
    }
 - 
 
87 
 
 - 
 
88 
    standalone_sparc64_console_init();
 - 
 
89 
}
 - 
 
90 
 
 - 
 
91 
void arch_post_cpu_init(void)
 - 
 
92 
{
 - 
 
93 
}
 - 
 
94 
 
 - 
 
95 
void arch_pre_smp_init(void)
 - 
 
96 
{
 - 
 
97 
}
 - 
 
98 
 
 - 
 
99 
void arch_post_smp_init(void)
 - 
 
100 
{
 - 
 
101 
    static thread_t *t = NULL;
 - 
 
102 
 
 - 
 
103 
 
 - 
 
104 
    if (!t) {
 - 
 
105 
        /*
 - 
 
106 
             * Create thread that polls keyboard.
 - 
 
107 
             */
 - 
 
108 
        t = thread_create(kkbdpoll, NULL, TASK, 0, "kkbdpoll", true);
 - 
 
109 
        if (!t)
 - 
 
110 
            panic("cannot create kkbdpoll\n");
 - 
 
111 
        thread_ready(t);
 - 
 
112 
    }
 - 
 
113 
}
 - 
 
114 
 
 - 
 
115 
/** Calibrate delay loop.
 - 
 
116 
 *
 - 
 
117 
 * On sparc64, we implement delay() by waiting for the TICK register to
 - 
 
118 
 * reach a pre-computed value, as opposed to performing some pre-computed
 - 
 
119 
 * amount of instructions of known duration. We set the delay_loop_const
 - 
 
120 
 * to 1 in order to neutralize the multiplication done by delay().
 - 
 
121 
 */
 - 
 
122 
void calibrate_delay_loop(void)
 - 
 
123 
{
 - 
 
124 
    CPU->delay_loop_const = 1;
 - 
 
125 
}
 - 
 
126 
 
 - 
 
127 
/** Wait several microseconds.
 - 
 
128 
 *
 - 
 
129 
 * We assume that interrupts are already disabled.
 - 
 
130 
 *
 - 
 
131 
 * @param t Microseconds to wait.
 - 
 
132 
 */
 - 
 
133 
void asm_delay_loop(const uint32_t usec)
 - 
 
134 
{
 - 
 
135 
    uint64_t stop = tick_read() + (uint64_t) usec * (uint64_t)
 - 
 
136 
        CPU->arch.clock_frequency / 1000000;
 - 
 
137 
 
 - 
 
138 
    while (tick_read() < stop)
 - 
 
139 
        ;
 - 
 
140 
}
 - 
 
141 
 
 - 
 
142 
/** Switch to userspace. */
 - 
 
143 
void userspace(uspace_arg_t *kernel_uarg)
 - 
 
144 
{
 - 
 
145 
    switch_to_userspace((uintptr_t) kernel_uarg->uspace_entry,
 - 
 
146 
        ((uintptr_t) kernel_uarg->uspace_stack) + STACK_SIZE
 - 
 
147 
        - (ALIGN_UP(STACK_ITEM_SIZE, STACK_ALIGNMENT) + STACK_BIAS),
 - 
 
148 
        (uintptr_t) kernel_uarg->uspace_uarg);
 - 
 
149 
 
 - 
 
150 
    for (;;)
 - 
 
151 
        ;
 - 
 
152 
    /* not reached */
 - 
 
153 
}
 - 
 
154 
 
 - 
 
155 
void arch_reboot(void)
 - 
 
156 
{
 - 
 
157 
    // TODO
 - 
 
158 
    while (1);
 - 
 
159 
}
 - 
 
160 
 
 54 
 
161 
/** @}
 55 
/** @}
162 
 */
 56 
 */
163 
 
 57