boot/alpha/stage2.h

   1 /*
   2 ** Copyright 2001, Travis Geiselbrecht. All rights reserved.
   3 ** Distributed under the terms of the NewOS License.
   4 */
   5 #ifndef _STAGE2_H
   6 #define _STAGE2_H
   7
   8 #include <boot.h>
   9
  10 // must match SMP_MAX_CPUS in arch_smp.h
  11 #define MAX_BOOT_CPUS 1
  12
  13 #define MAX_PHYS_MEM_ADDR_RANGE 4
  14 #define MAX_VIRT_ALLOC_ADDR_RANGE 4
  15 #define MAX_PHYS_ALLOC_ADDR_RANGE 4
  16
  17 typedef struct {
  18         unsigned int start;
  19         unsigned int size;
  20 } addr_range;
  21
  22 // kernel args
  23 typedef struct {
  24         unsigned int cons_line;
  25         char *str;
  26         addr_range bootdir_addr;
  27         addr_range kernel_seg0_addr;
  28         addr_range kernel_seg1_addr;
  29         unsigned int num_phys_mem_ranges;
  30         addr_range phys_mem_range[MAX_PHYS_MEM_ADDR_RANGE];
  31         unsigned int num_phys_alloc_ranges;
  32         addr_range phys_alloc_range[MAX_PHYS_ALLOC_ADDR_RANGE];
  33         unsigned int num_virt_alloc_ranges;
  34         addr_range virt_alloc_range[MAX_VIRT_ALLOC_ADDR_RANGE];
  35         unsigned int num_cpus;
  36         addr_range cpu_kstack[MAX_BOOT_CPUS];
  37         // architecture specific
  38 } kernel_args;
  39
  40 #endif
  41