include/boot/arch/x86_64/stage2.h

   1 /*
   2 ** Copyright 2001-2002, Travis Geiselbrecht. All rights reserved.
   3 ** Distributed under the terms of the NewOS License.
   4 */
   5 #ifndef _NEWOS_KERNEL_BOOT_ARCH_I386_STAGE2_H
   6 #define _NEWOS_KERNEL_BOOT_ARCH_I386_STAGE2_H
   7
   8 #include <boot/stage2_struct.h>
   9 #include <newos/compiler.h>
  10
  11 #define MAX_BOOT_PTABLES 16
  12
  13 #define IDT_LIMIT 0x800
  14 #define GDT_LIMIT 0x800
  15
  16 struct gdt_idt_descr {
  17         unsigned short a;
  18         unsigned int *b;
  19 } _PACKED;
  20
  21
  22 // kernel args
  23 typedef struct {
  24         // architecture specific
  25         unsigned int system_time_cv_factor;
  26         addr_t phys_pgdir;
  27         unsigned int num_pgtables;
  28         addr_t pgtables[MAX_BOOT_PTABLES];
  29         addr_t phys_idt;
  30         addr_t vir_idt;
  31         addr_t phys_gdt;
  32         addr_t vir_gdt;
  33         unsigned int page_hole;
  34         // smp stuff
  35         unsigned int apic_time_cv_factor; // apic ticks per second
  36         addr_t apic_phys;
  37         unsigned int *apic;
  38         addr_t ioapic_phys;
  39         unsigned int *ioapic;
  40         unsigned int cpu_apic_id[_MAX_CPUS];
  41         unsigned int cpu_os_id[_MAX_CPUS];
  42         unsigned int cpu_apic_version[_MAX_CPUS];
  43 } arch_kernel_args;
  44
  45 #endif
  46