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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_mm_init(void)
  52. {
  53.     trap_init();
  54.     tick_init();
  55. }
  56.  
  57. void arch_post_mm_init(void)
  58. {
  59.     standalone_sparc64_console_init();
  60. }
  61.  
  62. void arch_pre_smp_init(void)
  63. {
  64. }
  65.  
  66. void arch_post_smp_init(void)
  67. {
  68.     thread_t *t;
  69.  
  70.     /*
  71.          * Create thread that polls keyboard.
  72.          */
  73.     t = thread_create(kkbdpoll, NULL, TASK, 0, "kkbdpoll");
  74.     if (!t)
  75.         panic("cannot create kkbdpoll\n");
  76.     thread_ready(t);
  77. }
  78.  
  79. void calibrate_delay_loop(void)
  80. {
  81. }
  82.  
  83. /** Acquire console back for kernel
  84.  *
  85.  */
  86. void arch_grab_console(void)
  87. {
  88. }
  89. /** Return console to userspace
  90.  *
  91.  */
  92. void arch_release_console(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.  
  103.     for (;;)
  104.         ;
  105.     /* not reached */
  106. }
  107.  
  108. /** @}
  109.  */
  110.