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  1. /*
  2.  * Copyright (C) 2005 Ondrej Palkovsky
  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. #include <arch.h>
  30.  
  31. #include <arch/types.h>
  32.  
  33. #include <config.h>
  34.  
  35. #include <arch/ega.h>
  36. #include <arch/i8042.h>
  37. #include <arch/i8254.h>
  38. #include <arch/i8259.h>
  39.  
  40. #include <arch/bios/bios.h>
  41. #include <arch/mm/memory_init.h>
  42. #include <arch/cpu.h>
  43. #include <print.h>
  44. #include <arch/cpuid.h>
  45.  
  46. void arch_pre_mm_init(void)
  47. {
  48.     struct cpu_info cpuid_s;
  49.  
  50.     cpuid(AMD_CPUID_EXTENDED,&cpuid_s);
  51.     if (! (cpuid_s.cpuid_edx & (1<<AMD_EXT_NOEXECUTE))) {
  52.         printf("We do not support NX!!-----------\n");
  53.         printf("%X------\n",cpuid_s.cpuid_edx);
  54.         cpu_halt();
  55.     }
  56.     set_efer_flag(AMD_NXE_FLAG);
  57.  
  58.     pm_init();
  59.  
  60.     if (config.cpu_active == 1) {
  61.         bios_init();
  62.         i8042_init();   /* a20 bit */
  63.         i8259_init();   /* PIC */
  64.         i8254_init();   /* hard clock */
  65.  
  66.         trap_register(VECTOR_SYSCALL, syscall);
  67.        
  68.         #ifdef __SMP__
  69.         trap_register(VECTOR_TLB_SHOOTDOWN_IPI, tlb_shootdown_ipi);
  70.         trap_register(VECTOR_WAKEUP_IPI, wakeup_ipi);
  71.         #endif /* __SMP__ */
  72.     }
  73. }
  74.  
  75. void arch_post_mm_init(void)
  76. {
  77.     if (config.cpu_active == 1) {
  78.         ega_init(); /* video */
  79.     }
  80. }
  81.  
  82. void arch_late_init(void)
  83. {
  84.     if (config.cpu_active == 1) {
  85.         memory_print_map();
  86.        
  87.         #ifdef __SMP__
  88.         acpi_init();
  89.         #endif /* __SMP__ */
  90.     }
  91. }
  92.  
  93. void calibrate_delay_loop(void)
  94. {
  95.     return;
  96.     i8254_calibrate_delay_loop();
  97.     i8254_normal_operation();
  98. }
  99.