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  1. /*
  2.  * Copyright (C) 2005 Martin Decky
  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. #include <arch.h>
  30. #include <arch/boot/boot.h>
  31. #include <arch/console.h>
  32. #include <arch/drivers/cuda.h>
  33. #include <arch/mm/memory_init.h>
  34. #include <arch/interrupt.h>
  35. #include <userspace.h>
  36. #include <proc/uarg.h>
  37.  
  38. bootinfo_t bootinfo;
  39.  
  40. void arch_pre_mm_init(void)
  41. {
  42.     /* Initialize dispatch table */
  43.     interrupt_init();
  44.    
  45.     /* Start decrementer */
  46.     start_decrementer();
  47.  
  48.     ppc32_console_init();
  49.     cuda_init();
  50.    
  51.     /* Setup usermode */
  52.     init.cnt = 1;
  53.     init.tasks[0].addr = PA2KA(bootinfo.init.addr);
  54.     init.tasks[0].size = bootinfo.init.size;
  55. }
  56.  
  57. void arch_post_mm_init(void)
  58. {
  59. }
  60.  
  61. void arch_pre_smp_init(void)
  62. {
  63.     memory_print_map();
  64. }
  65.  
  66. void arch_post_smp_init(void)
  67. {
  68. }
  69.  
  70. void calibrate_delay_loop(void)
  71. {
  72. }
  73.  
  74. void userspace(uspace_arg_t *kernel_uarg)
  75. {
  76.     userspace_asm((__address) kernel_uarg->uspace_uarg, (__address) kernel_uarg->uspace_stack, (__address) kernel_uarg->uspace_entry);
  77.    
  78.     /* Unreachable */
  79.     for (;;)
  80.         ;
  81. }
  82.