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  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. /** Acquire console back for kernel
  97.  *
  98.  */
  99. void arch_grab_console(void)
  100. {
  101. }
  102. /** Return console to userspace
  103.  *
  104.  */
  105. void arch_release_console(void)
  106. {
  107. }
  108.  
  109. /** Switch to userspace. */
  110. void userspace(uspace_arg_t *kernel_uarg)
  111. {
  112.     switch_to_userspace((uintptr_t) kernel_uarg->uspace_entry,
  113.         ((uintptr_t) kernel_uarg->uspace_stack) + STACK_SIZE
  114.         - (ALIGN_UP(STACK_ITEM_SIZE, STACK_ALIGNMENT) + STACK_BIAS),
  115.         (uintptr_t) kernel_uarg->uspace_uarg);
  116.  
  117.     for (;;)
  118.         ;
  119.     /* not reached */
  120. }
  121.  
  122. /** @}
  123.  */
  124.