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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.  * @{
  31.  */
  32. /** @file
  33.  */
  34.  
  35. #include <arch.h>
  36. #include <arch/boot/boot.h>
  37. #include <arch/drivers/cuda.h>
  38. #include <arch/mm/memory_init.h>
  39. #include <arch/interrupt.h>
  40. #include <genarch/fb/fb.h>
  41. #include <userspace.h>
  42. #include <proc/uarg.h>
  43. #include <console/console.h>
  44. #include <arch/drivers/pic.h>
  45.  
  46. bootinfo_t bootinfo;
  47.  
  48. void arch_pre_main(void)
  49. {
  50.     /* Setup usermode */
  51.     init.cnt = bootinfo.taskmap.count;
  52.    
  53.     __u32 i;
  54.    
  55.     for (i = 0; i < bootinfo.taskmap.count; i++) {
  56.         init.tasks[i].addr = PA2KA(bootinfo.taskmap.tasks[i].addr);
  57.         init.tasks[i].size = bootinfo.taskmap.tasks[i].size;
  58.     }
  59. }
  60.  
  61. void arch_pre_mm_init(void)
  62. {
  63.     /* Initialize dispatch table */
  64.     interrupt_init();
  65.  
  66.     /* Start decrementer */
  67.     start_decrementer();
  68. }
  69.  
  70. void arch_post_mm_init(void)
  71. {
  72.     if (config.cpu_active == 1) {
  73.         fb_init(bootinfo.screen.addr, bootinfo.screen.width, bootinfo.screen.height, bootinfo.screen.bpp, bootinfo.screen.scanline);   
  74.    
  75.         /* Initialize PIC */
  76.         pic_init(bootinfo.keyboard.addr, PAGE_SIZE);
  77.        
  78.         cuda_init(bootinfo.keyboard.addr + 0x16000, 2 * PAGE_SIZE);
  79.        
  80.         /* Merge all zones to 1 big zone */
  81.         zone_merge_all();
  82.     }
  83. }
  84.  
  85. void arch_pre_smp_init(void)
  86. {
  87.     memory_print_map();
  88. }
  89.  
  90. void arch_post_smp_init(void)
  91. {
  92. }
  93.  
  94. void calibrate_delay_loop(void)
  95. {
  96. }
  97.  
  98. void userspace(uspace_arg_t *kernel_uarg)
  99. {
  100.     userspace_asm((__address) kernel_uarg->uspace_uarg, (__address) kernel_uarg->uspace_stack + THREAD_STACK_SIZE - SP_DELTA, (__address) kernel_uarg->uspace_entry);
  101.    
  102.     /* Unreachable */
  103.     for (;;)
  104.         ;
  105. }
  106.  
  107. /** Acquire console back for kernel
  108.  *
  109.  */
  110. void arch_grab_console(void)
  111. {
  112.     cuda_grab();
  113. }
  114.  
  115. /** Return console to userspace
  116.  *
  117.  */
  118. void arch_release_console(void)
  119. {
  120.     cuda_release();
  121. }
  122.  
  123. /** @}
  124.  */
  125.