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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_main(void)
  41. {
  42.     /* Setup usermode */
  43.     init.cnt = 1;
  44.     init.tasks[0].addr = PA2KA(bootinfo.init.addr);
  45.     init.tasks[0].size = bootinfo.init.size;
  46. }
  47.  
  48. void arch_pre_mm_init(void)
  49. {
  50.     /* Initialize dispatch table */
  51.     interrupt_init();
  52.    
  53.     /* Start decrementer */
  54.     start_decrementer();
  55.  
  56.     ppc32_console_init();
  57.     cuda_init();
  58. }
  59.  
  60. void arch_post_mm_init(void)
  61. {
  62.     if (config.cpu_active == 1) {
  63.         /* Merge all zones to 1 big zone */
  64.         zone_merge_all();
  65.     }
  66. }
  67.  
  68. void arch_pre_smp_init(void)
  69. {
  70.     memory_print_map();
  71. }
  72.  
  73. void arch_post_smp_init(void)
  74. {
  75. }
  76.  
  77. void calibrate_delay_loop(void)
  78. {
  79. }
  80.  
  81. void userspace(uspace_arg_t *kernel_uarg)
  82. {
  83.     userspace_asm((__address) kernel_uarg->uspace_uarg, (__address) kernel_uarg->uspace_stack + THREAD_STACK_SIZE - SP_DELTA, (__address) kernel_uarg->uspace_entry);
  84.    
  85.     /* Unreachable */
  86.     for (;;)
  87.         ;
  88. }
  89.