kernel/arch/sparc64/src/sparc64.c

   1 /*
   2  * Copyright (C) 2005 Jakub Jermar
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  *
   9  * - Redistributions of source code must retain the above copyright
  10  *   notice, this list of conditions and the following disclaimer.
  11  * - Redistributions in binary form must reproduce the above copyright
  12  *   notice, this list of conditions and the following disclaimer in the
  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
  15  *   derived from this software without specific prior written permission.
  16  *
  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
  19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  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
  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
  26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27  */
  28
  29 /** @addtogroup sparc64
  30  * @{
  31  */
  32 /** @file
  33  */
  34
  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 <arch/drivers/tick.h>
  41 #include <proc/thread.h>
  42 #include <console/console.h>
  43 #include <arch/boot/boot.h>
  44 #include <arch/arch.h>
  45 #include <arch/mm/page.h>
  46 #include <arch/stack.h>
  47 #include <userspace.h>
  48
  49 bootinfo_t bootinfo;
  50
  51 void arch_pre_main(void)
  52 {
  53         /* Setup usermode */
  54         init.cnt = bootinfo.taskmap.count;
  55
  56         uint32_t i;
  57
  58         for (i = 0; i < bootinfo.taskmap.count; i++) {
  59                 init.tasks[i].addr = PA2KA(bootinfo.taskmap.tasks[i].addr);
  60                 init.tasks[i].size = bootinfo.taskmap.tasks[i].size;
  61         }
  62 }
  63
  64 void arch_pre_mm_init(void)
  65 {
  66         trap_init();
  67         tick_init();
  68 }
  69
  70 void arch_post_mm_init(void)
  71 {
  72         standalone_sparc64_console_init();
  73 }
  74
  75 void arch_pre_smp_init(void)
  76 {
  77 }
  78
  79 void arch_post_smp_init(void)
  80 {
  81         thread_t *t;
  82
  83         /*
  84          * Create thread that polls keyboard.
  85          */
  86         t = thread_create(kkbdpoll, NULL, TASK, 0, "kkbdpoll");
  87         if (!t)
  88                 panic("cannot create kkbdpoll\n");
  89         thread_ready(t);
  90 }
  91
  92 void calibrate_delay_loop(void)
  93 {
  94 }
  95
  96 /** Switch to userspace. */
  97 void userspace(uspace_arg_t *kernel_uarg)
  98 {
  99         switch_to_userspace((uintptr_t) kernel_uarg->uspace_entry,
 100                 ((uintptr_t) kernel_uarg->uspace_stack) + STACK_SIZE
 101                 - (ALIGN_UP(STACK_ITEM_SIZE, STACK_ALIGNMENT) + STACK_BIAS),
 102                 (uintptr_t) kernel_uarg->uspace_uarg);
 103
 104         for (;;)
 105                 ;
 106         /* not reached */
 107 }
 108
 109 /** @}
 110  */