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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/mm/memory_init.h>
  38. #include <arch/interrupt.h>
  39. #include <genarch/fb/fb.h>
  40. #include <genarch/fb/visuals.h>
  41. #include <userspace.h>
  42. #include <proc/uarg.h>
  43. #include <console/console.h>
  44.  
  45. bootinfo_t bootinfo;
  46.  
  47. void arch_pre_main(void)
  48. {
  49.     /* Setup usermode */
  50.     init.cnt = bootinfo.taskmap.count;
  51.    
  52.     uint32_t i;
  53.    
  54.     for (i = 0; i < bootinfo.taskmap.count; i++) {
  55.         init.tasks[i].addr = PA2KA(bootinfo.taskmap.tasks[i].addr);
  56.         init.tasks[i].size = bootinfo.taskmap.tasks[i].size;
  57.     }
  58. }
  59.  
  60. void arch_pre_mm_init(void)
  61. {
  62.     /* Initialize dispatch table */
  63.     interrupt_init();
  64.    
  65.     /* Start decrementer */
  66.     start_decrementer();
  67. }
  68.  
  69. void arch_post_mm_init(void)
  70. {
  71.     if (config.cpu_active == 1) {
  72.         /* Initialize framebuffer */
  73.         unsigned int visual;
  74.        
  75.         switch (bootinfo.screen.bpp) {
  76.         case 8:
  77.             visual = VISUAL_INDIRECT_8;
  78.             break;
  79.         case 16:
  80.             visual = VISUAL_RGB_5_5_5;
  81.             break;
  82.         case 24:
  83.             visual = VISUAL_RGB_8_8_8;
  84.             break;
  85.         case 32:
  86.             visual = VISUAL_RGB_0_8_8_8;
  87.             break;
  88.         default:
  89.             panic("Unsupported bits per pixel");
  90.         }
  91.         fb_init(bootinfo.screen.addr, bootinfo.screen.width, bootinfo.screen.height, bootinfo.screen.scanline, visual);
  92.        
  93.    
  94.         /* Merge all zones to 1 big zone */
  95.         zone_merge_all();
  96.     }
  97. }
  98.  
  99. void arch_post_cpu_init(void)
  100. {
  101. }
  102.  
  103. void arch_pre_smp_init(void)
  104. {
  105. }
  106.  
  107. void arch_post_smp_init(void)
  108. {
  109. }
  110.  
  111. void calibrate_delay_loop(void)
  112. {
  113. }
  114.  
  115. void userspace(uspace_arg_t *kernel_uarg)
  116. {
  117.     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);
  118.    
  119.     /* Unreachable */
  120.     for (;;)
  121.         ;
  122. }
  123.  
  124. /** Acquire console back for kernel
  125.  *
  126.  */
  127. void arch_grab_console(void)
  128. {
  129. }
  130.  
  131. /** Return console to userspace
  132.  *
  133.  */
  134. void arch_release_console(void)
  135. {
  136. }
  137.  
  138. void arch_reboot(void)
  139. {
  140.     // TODO
  141.     while (1);
  142. }
  143.  
  144. /** @}
  145.  */
  146.