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  1. /*
  2.  * Copyright (C) 2006 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/mm/memory_init.h>
  32. #include <arch/interrupt.h>
  33. #include <genarch/fb/fb.h>
  34. #include <userspace.h>
  35. #include <proc/uarg.h>
  36.  
  37. bootinfo_t bootinfo;
  38.  
  39. void arch_pre_main(void)
  40. {
  41.     /* Setup usermode */
  42.     init.cnt = bootinfo.taskmap.count;
  43.    
  44.     __u32 i;
  45.    
  46.     for (i = 0; i < bootinfo.taskmap.count; i++) {
  47.         init.tasks[i].addr = PA2KA(bootinfo.taskmap.tasks[i].addr);
  48.         init.tasks[i].size = bootinfo.taskmap.tasks[i].size;
  49.     }
  50. }
  51.  
  52. void arch_pre_mm_init(void)
  53. {
  54.     /* Initialize dispatch table */
  55.     interrupt_init();
  56.    
  57.     /* Start decrementer */
  58.     start_decrementer();
  59. }
  60.  
  61. void arch_post_mm_init(void)
  62. {
  63.     if (config.cpu_active == 1) {
  64.         fb_init(bootinfo.screen.addr, bootinfo.screen.width, bootinfo.screen.height, bootinfo.screen.bpp, bootinfo.screen.scanline);   
  65.    
  66.         /* Merge all zones to 1 big zone */
  67.         zone_merge_all();
  68.     }
  69. }
  70.  
  71. void arch_pre_smp_init(void)
  72. {
  73.     memory_print_map();
  74. }
  75.  
  76. void arch_post_smp_init(void)
  77. {
  78. }
  79.  
  80. void calibrate_delay_loop(void)
  81. {
  82. }
  83.  
  84. void userspace(uspace_arg_t *kernel_uarg)
  85. {
  86.     userspace_asm((__address) kernel_uarg->uspace_uarg, (__address) kernel_uarg->uspace_stack + THREAD_STACK_SIZE - SP_DELTA, (__address) kernel_uarg->uspace_entry);
  87.    
  88.     /* Unreachable */
  89.     for (;;)
  90.         ;
  91. }
  92.