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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. /** @addtogroup ppc64
  30.  * @{
  31.  */
  32. /** @file
  33.  */
  34.  
  35. #include <arch.h>
  36. #include <arch/boot/boot.h>
  37. #include <arch/interrupt.h>
  38. #include <genarch/fb/fb.h>
  39. #include <genarch/fb/visuals.h>
  40. #include <userspace.h>
  41. #include <proc/uarg.h>
  42. #include <console/console.h>
  43.  
  44. bootinfo_t bootinfo;
  45.  
  46. void arch_pre_main(void)
  47. {
  48.     /* Setup usermode */
  49.     init.cnt = bootinfo.taskmap.count;
  50.    
  51.     uint32_t i;
  52.    
  53.     for (i = 0; i < bootinfo.taskmap.count; i++) {
  54.         init.tasks[i].addr = PA2KA(bootinfo.taskmap.tasks[i].addr);
  55.         init.tasks[i].size = bootinfo.taskmap.tasks[i].size;
  56.     }
  57. }
  58.  
  59. void arch_pre_mm_init(void)
  60. {
  61.     /* Initialize dispatch table */
  62.     interrupt_init();
  63.    
  64.     /* Start decrementer */
  65.     start_decrementer();
  66. }
  67.  
  68. void arch_post_mm_init(void)
  69. {
  70.     if (config.cpu_active == 1) {
  71.         /* Initialize framebuffer */
  72.         unsigned int visual;
  73.        
  74.         switch (bootinfo.screen.bpp) {
  75.         case 8:
  76.             visual = VISUAL_INDIRECT_8;
  77.             break;
  78.         case 16:
  79.             visual = VISUAL_RGB_5_5_5;
  80.             break;
  81.         case 24:
  82.             visual = VISUAL_RGB_8_8_8;
  83.             break;
  84.         case 32:
  85.             visual = VISUAL_RGB_0_8_8_8;
  86.             break;
  87.         default:
  88.             panic("Unsupported bits per pixel.");
  89.         }
  90.         fb_init(bootinfo.screen.addr, bootinfo.screen.width, bootinfo.screen.height, bootinfo.screen.scanline, visual);
  91.        
  92.    
  93.         /* Merge all zones to 1 big zone */
  94.         zone_merge_all();
  95.     }
  96. }
  97.  
  98. void arch_post_cpu_init(void)
  99. {
  100. }
  101.  
  102. void arch_pre_smp_init(void)
  103. {
  104. }
  105.  
  106. void arch_post_smp_init(void)
  107. {
  108. }
  109.  
  110. void calibrate_delay_loop(void)
  111. {
  112. }
  113.  
  114. void userspace(uspace_arg_t *kernel_uarg)
  115. {
  116.     userspace_asm((uintptr_t) kernel_uarg->uspace_uarg, (uintptr_t) kernel_uarg->uspace_stack + THREAD_STACK_SIZE - SP_DELTA, (uintptr_t) kernel_uarg->uspace_entry);
  117.    
  118.     /* Unreachable */
  119.     for (;;)
  120.         ;
  121. }
  122.  
  123. /** Acquire console back for kernel
  124.  *
  125.  */
  126. void arch_grab_console(void)
  127. {
  128. }
  129.  
  130. /** Return console to userspace
  131.  *
  132.  */
  133. void arch_release_console(void)
  134. {
  135. }
  136.  
  137. void arch_reboot(void)
  138. {
  139.     // TODO
  140.     while (1);
  141. }
  142.  
  143. /** @}
  144.  */
  145.