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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. #include <genarch/acpi/acpi.h>
  46. #include <panic.h>
  47. #include <interrupt.h>
  48.  
  49. void arch_pre_mm_init(void)
  50. {
  51.     struct cpu_info cpuid_s;
  52.  
  53.     cpuid(AMD_CPUID_EXTENDED,&cpuid_s);
  54.     if (! (cpuid_s.cpuid_edx & (1<<AMD_EXT_NOEXECUTE)))
  55.         panic("Processor does not support No-execute pages.\n");
  56.  
  57.     cpuid(INTEL_CPUID_STANDARD,&cpuid_s);
  58.     if (! (cpuid_s.cpuid_edx & (1<<INTEL_FXSAVE)))
  59.         panic("Processor does not support FXSAVE/FXRESTORE.\n");
  60.    
  61.     if (! (cpuid_s.cpuid_edx & (1<<INTEL_SSE2)))
  62.         panic("Processor does not support SSE2 instructions.\n");
  63.  
  64.     /* Enable No-execute pages */
  65.     set_efer_flag(AMD_NXE_FLAG);
  66.     /* Enable FPU */
  67.     cpu_setup_fpu();
  68.  
  69.     pm_init();
  70.  
  71.     if (config.cpu_active == 1) {
  72.         bios_init();
  73.         i8259_init();   /* PIC */
  74.         i8254_init();   /* hard clock */
  75.  
  76.         exc_register(VECTOR_SYSCALL, "syscall", syscall);
  77.        
  78.         #ifdef CONFIG_SMP
  79.         exc_register(VECTOR_TLB_SHOOTDOWN_IPI, "tlb_shootdown",
  80.                  tlb_shootdown_ipi);
  81.         exc_register(VECTOR_WAKEUP_IPI, "wakeup_ipi", wakeup_ipi);
  82.         #endif /* CONFIG_SMP */
  83.     }
  84. }
  85.  
  86. void arch_post_mm_init(void)
  87. {
  88.     if (config.cpu_active == 1) {
  89.         ega_init(); /* video */
  90.     }
  91. }
  92.  
  93. void arch_pre_smp_init(void)
  94. {
  95.     if (config.cpu_active == 1) {
  96.         memory_print_map();
  97.        
  98.         #ifdef CONFIG_SMP
  99.         acpi_init();
  100.         #endif /* CONFIG_SMP */
  101.     }
  102. }
  103.  
  104. void arch_post_smp_init(void)
  105. {
  106.         i8042_init();   /* keyboard controller */
  107. }
  108.  
  109. void calibrate_delay_loop(void)
  110. {
  111.     i8254_calibrate_delay_loop();
  112.     i8254_normal_operation();
  113. }
  114.