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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.  /** @addtogroup ppc32 
  30.  * @ingroup others
  31.  * @{
  32.  */
  33. /** @file
  34.  */
  35.  
  36. #include <arch.h>
  37. #include <arch/boot/boot.h>
  38. #include <arch/drivers/cuda.h>
  39. #include <arch/mm/memory_init.h>
  40. #include <arch/interrupt.h>
  41. #include <genarch/fb/fb.h>
  42. #include <userspace.h>
  43. #include <proc/uarg.h>
  44. #include <console/console.h>
  45. #include <arch/drivers/pic.h>
  46.  
  47. bootinfo_t bootinfo;
  48.  
  49. void arch_pre_main(void)
  50. {
  51.     /* Setup usermode */
  52.     init.cnt = bootinfo.taskmap.count;
  53.    
  54.     __u32 i;
  55.    
  56.     for (i = 0; i < bootinfo.taskmap.count; i++) {
  57.         init.tasks[i].addr = PA2KA(bootinfo.taskmap.tasks[i].addr);
  58.         init.tasks[i].size = bootinfo.taskmap.tasks[i].size;
  59.     }
  60. }
  61.  
  62. void arch_pre_mm_init(void)
  63. {
  64.     /* Initialize dispatch table */
  65.     interrupt_init();
  66.  
  67.     /* Start decrementer */
  68.     start_decrementer();
  69. }
  70.  
  71. void arch_post_mm_init(void)
  72. {
  73.     if (config.cpu_active == 1) {
  74.         fb_init(bootinfo.screen.addr, bootinfo.screen.width, bootinfo.screen.height, bootinfo.screen.bpp, bootinfo.screen.scanline);   
  75.    
  76.         /* Initialize PIC */
  77.         pic_init();
  78.        
  79.         cuda_init(bootinfo.keyboard.addr, bootinfo.keyboard.size);
  80.        
  81.         /* Merge all zones to 1 big zone */
  82.         zone_merge_all();
  83.     }
  84. }
  85.  
  86. void arch_pre_smp_init(void)
  87. {
  88.     memory_print_map();
  89. }
  90.  
  91. void arch_post_smp_init(void)
  92. {
  93. }
  94.  
  95. void calibrate_delay_loop(void)
  96. {
  97. }
  98.  
  99. void userspace(uspace_arg_t *kernel_uarg)
  100. {
  101.     userspace_asm((__address) kernel_uarg->uspace_uarg, (__address) kernel_uarg->uspace_stack + THREAD_STACK_SIZE - SP_DELTA, (__address) kernel_uarg->uspace_entry);
  102.    
  103.     /* Unreachable */
  104.     for (;;)
  105.         ;
  106. }
  107.  
  108. /** Acquire console back for kernel
  109.  *
  110.  */
  111. void arch_grab_console(void)
  112. {
  113. }
  114. /** Return console to userspace
  115.  *
  116.  */
  117. void arch_release_console(void)
  118. {
  119. }
  120.  
  121.  /** @}
  122.  */
  123.  
  124.