arch/um/include/as-layout.h

   1 /*
   2  * Copyright (C) 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
   3  * Licensed under the GPL
   4  */
   5
   6 #ifndef __START_H__
   7 #define __START_H__
   8
   9 #include "uml-config.h"
  10 #include "kern_constants.h"
  11
  12 /*
  13  * Assembly doesn't want any casting, but C does, so define these
  14  * without casts here, and define new symbols with casts inside the C
  15  * section.
  16  */
  17 #define ASM_STUB_CODE (UML_CONFIG_TOP_ADDR - 2 * UM_KERN_PAGE_SIZE)
  18 #define ASM_STUB_DATA (UML_CONFIG_TOP_ADDR - UM_KERN_PAGE_SIZE)
  19 #define ASM_STUB_START ASM_STUB_CODE
  20
  21 /*
  22  * This file is included by the assembly stubs, which just want the
  23  * definitions above.
  24  */
  25 #ifndef __ASSEMBLY__
  26
  27 #define STUB_CODE ((unsigned long) ASM_STUB_CODE)
  28 #define STUB_DATA ((unsigned long) ASM_STUB_DATA)
  29 #define STUB_START ((unsigned long) ASM_STUB_START)
  30
  31 #include "sysdep/ptrace.h"
  32
  33 struct cpu_task {
  34         int pid;
  35         void *task;
  36 };
  37
  38 extern struct cpu_task cpu_tasks[];
  39
  40 extern unsigned long low_physmem;
  41 extern unsigned long high_physmem;
  42 extern unsigned long uml_physmem;
  43 extern unsigned long uml_reserved;
  44 extern unsigned long end_vm;
  45 extern unsigned long start_vm;
  46 extern unsigned long long highmem;
  47
  48 extern unsigned long _stext, _etext, _sdata, _edata, __bss_start, _end;
  49 extern unsigned long _unprotected_end;
  50 extern unsigned long brk_start;
  51
  52 extern int linux_main(int argc, char **argv);
  53
  54 extern void (*sig_info[])(int, struct uml_pt_regs *);
  55
  56 #endif
  57
  58 #endif