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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/drivers/cuda.h>
  32. #include <arch/mm/memory_init.h>
  33. #include <arch/interrupt.h>
  34. #include <genarch/fb/fb.h>
  35. #include <userspace.h>
  36. #include <proc/uarg.h>
  37. #include <console/console.h>
  38. #include <arch/drivers/pic.h>
  39.  
  40. bootinfo_t bootinfo;
  41.  
  42. void arch_pre_main(void)
  43. {
  44.     /* Setup usermode */
  45.     init.cnt = bootinfo.taskmap.count;
  46.    
  47.     __u32 i;
  48.    
  49.     for (i = 0; i < bootinfo.taskmap.count; i++) {
  50.         init.tasks[i].addr = PA2KA(bootinfo.taskmap.tasks[i].addr);
  51.         init.tasks[i].size = bootinfo.taskmap.tasks[i].size;
  52.     }
  53. }
  54.  
  55. void arch_pre_mm_init(void)
  56. {
  57.     /* Initialize dispatch table */
  58.     interrupt_init();
  59.  
  60.     /* Start decrementer */
  61.     start_decrementer();
  62. }
  63.  
  64. void arch_post_mm_init(void)
  65. {
  66.     if (config.cpu_active == 1) {
  67.         fb_init(bootinfo.screen.addr, bootinfo.screen.width, bootinfo.screen.height, bootinfo.screen.bpp, bootinfo.screen.scanline);   
  68.    
  69.         /* Initialize PIC */
  70.         pic_init();
  71.        
  72.         cuda_init(bootinfo.keyboard.addr, bootinfo.keyboard.size);
  73.        
  74.         /* Merge all zones to 1 big zone */
  75.         zone_merge_all();
  76.     }
  77. }
  78.  
  79. void arch_pre_smp_init(void)
  80. {
  81.     memory_print_map();
  82. }
  83.  
  84. void arch_post_smp_init(void)
  85. {
  86. }
  87.  
  88. void calibrate_delay_loop(void)
  89. {
  90. }
  91.  
  92. void userspace(uspace_arg_t *kernel_uarg)
  93. {
  94.     userspace_asm((__address) kernel_uarg->uspace_uarg, (__address) kernel_uarg->uspace_stack + THREAD_STACK_SIZE - SP_DELTA, (__address) kernel_uarg->uspace_entry);
  95.    
  96.     /* Unreachable */
  97.     for (;;)
  98.         ;
  99. }
  100.  
  101. /** Acquire console back for kernel
  102.  *
  103.  */
  104. void arch_grab_console(void)
  105. {
  106. }
  107. /** Return console to userspace
  108.  *
  109.  */
  110. void arch_release_console(void)
  111. {
  112. }
  113.