root/include/linux/config.h

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INCLUDED FROM


   1 #ifndef _LINUX_CONFIG_H
   2 #define _LINUX_CONFIG_H
   3 
   4 #include <linux/autoconf.h>
   5 
   6 /*
   7  * Defines for what uname() should return 
   8  */
   9 #ifndef UTS_SYSNAME
  10 #define UTS_SYSNAME "Linux"
  11 #endif
  12 #ifndef UTS_NODENAME
  13 #define UTS_NODENAME "(none)"   /* set by sethostname() */
  14 #endif
  15 
  16 #ifdef CONFIG_M486
  17 #define UTS_MACHINE "i486"      /* hardware type */
  18 #else
  19 #define UTS_MACHINE "i386"      /* hardware type */
  20 #endif
  21 
  22 #ifndef UTS_DOMAINNAME
  23 #define UTS_DOMAINNAME "(none)" /* set by setdomainname() */
  24 #endif
  25 
  26 /*
  27  * The definitions for UTS_RELEASE and UTS_VERSION are now defined
  28  * in linux/version.h, and should only be used by linux/version.c
  29  */
  30 
  31 /* Don't touch these, unless you really know what your doing. */
  32 #define DEF_INITSEG     0x9000
  33 #define DEF_SYSSEG      0x1000
  34 #define DEF_SETUPSEG    0x9020
  35 #define DEF_SYSSIZE     0x8000
  36 
  37 /* internal svga startup constants */
  38 #define NORMAL_VGA      0xffff          /* 80x25 mode */
  39 #define EXTENDED_VGA    0xfffe          /* 80x50 mode */
  40 #define ASK_VGA         0xfffd          /* ask for it at bootup */
  41 
  42 /*
  43  * The root-device is no longer hard-coded. You can change the default
  44  * root-device by changing the line ROOT_DEV = XXX in boot/bootsect.s
  45  */
  46 
  47 /*
  48  * The keyboard is now defined in kernel/chr_dev/keyboard.S
  49  */
  50 
  51 /*
  52  * Normally, Linux can get the drive parameters from the BIOS at
  53  * startup, but if this for some unfathomable reason fails, you'd
  54  * be left stranded. For this case, you can define HD_TYPE, which
  55  * contains all necessary info on your harddisk.
  56  *
  57  * The HD_TYPE macro should look like this:
  58  *
  59  * #define HD_TYPE { head, sect, cyl, wpcom, lzone, ctl}
  60  *
  61  * In case of two harddisks, the info should be sepatated by
  62  * commas:
  63  *
  64  * #define HD_TYPE { h,s,c,wpcom,lz,ctl },{ h,s,c,wpcom,lz,ctl }
  65  */
  66 /*
  67  This is an example, two drives, first is type 2, second is type 3:
  68 
  69 #define HD_TYPE { 4,17,615,300,615,8 }, { 6,17,615,300,615,0 }
  70 
  71  NOTE: ctl is 0 for all drives with heads<=8, and ctl=8 for drives
  72  with more than 8 heads.
  73 
  74  If you want the BIOS to tell what kind of drive you have, just
  75  leave HD_TYPE undefined. This is the normal thing to do.
  76 */
  77 
  78 #undef HD_TYPE
  79  
  80 /*
  81         File type specific stuff goes into this.
  82 */
  83 
  84 #ifdef ASM_SRC
  85 #endif
  86 
  87 #ifdef C_SRC
  88 #endif
  89 
  90 #ifdef MAKE
  91 #endif
  92 
  93 #endif

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