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  1. /*
  2.  * Copyright (C) 2001-2004 Jakub Jermar
  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 xen32
  30.  * @{
  31.  */
  32. /** @file
  33.  */
  34.  
  35. #include <arch.h>
  36.  
  37. #include <arch/types.h>
  38. #include <typedefs.h>
  39.  
  40. #include <arch/pm.h>
  41.  
  42. #include <arch/drivers/xconsole.h>
  43.  
  44. #include <arch/context.h>
  45.  
  46. #include <config.h>
  47.  
  48. #include <arch/interrupt.h>
  49. #include <arch/asm.h>
  50. #include <genarch/acpi/acpi.h>
  51.  
  52. #include <arch/bios/bios.h>
  53.  
  54. #include <arch/boot/boot.h>
  55. #include <arch/mm/memory_init.h>
  56. #include <interrupt.h>
  57. #include <arch/debugger.h>
  58. #include <proc/thread.h>
  59. #include <syscall/syscall.h>
  60. #include <console/console.h>
  61.  
  62. start_info_t start_info;
  63.  
  64. void arch_pre_mm_init(void)
  65. {
  66.     pm_init();
  67.  
  68.     if (config.cpu_active == 1) {
  69. //      bios_init();
  70.        
  71. //      exc_register(VECTOR_SYSCALL, "syscall", (iroutine) syscall);
  72.        
  73.         #ifdef CONFIG_SMP
  74. //      exc_register(VECTOR_TLB_SHOOTDOWN_IPI, "tlb_shootdown",
  75. //               (iroutine) tlb_shootdown_ipi);
  76.         #endif /* CONFIG_SMP */
  77.     }
  78. }
  79.  
  80. void arch_post_mm_init(void)
  81. {
  82.     if (config.cpu_active == 1) {
  83.         /* video */
  84.         xen_console_init();
  85.         /* Enable debugger */
  86.         debugger_init();
  87.         /* Merge all memory zones to 1 big zone */
  88.         zone_merge_all();
  89.     }
  90. }
  91.  
  92. void arch_pre_smp_init(void)
  93. {
  94.     if (config.cpu_active == 1) {
  95.         memory_print_map();
  96.        
  97.         #ifdef CONFIG_SMP
  98.         acpi_init();
  99.         #endif /* CONFIG_SMP */
  100.     }
  101. }
  102.  
  103. void arch_post_smp_init(void)
  104. {
  105. }
  106.  
  107. void calibrate_delay_loop(void)
  108. {
  109. //  i8254_calibrate_delay_loop();
  110.     if (config.cpu_active == 1) {
  111.         /*
  112.          * This has to be done only on UP.
  113.          * On SMP, i8254 is not used for time keeping and its interrupt pin remains masked.
  114.          */
  115. //      i8254_normal_operation();
  116.     }
  117. }
  118.  
  119. /** Set thread-local-storage pointer
  120.  *
  121.  * TLS pointer is set in GS register. That means, the GS contains
  122.  * selector, and the descriptor->base is the correct address.
  123.  */
  124. unative_t sys_tls_set(unative_t addr)
  125. {
  126.     THREAD->arch.tls = addr;
  127.     set_tls_desc(addr);
  128.  
  129.     return 0;
  130. }
  131.  
  132. /** Acquire console back for kernel
  133.  *
  134.  */
  135. void arch_grab_console(void)
  136. {
  137. }
  138.  
  139. /** Return console to userspace
  140.  *
  141.  */
  142. void arch_release_console(void)
  143. {
  144. }
  145.  
  146. /** @}
  147.  */
  148.