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 /*
  23  * The definitions for UTS_RELEASE and UTS_VERSION are now defined
  24  * in linux/version.h, and should only be used by linux/version.c
  25  */
  26 
  27 /* Don't touch these, unless you really know what your doing. */
  28 #define DEF_INITSEG     0x9000
  29 #define DEF_SYSSEG      0x1000
  30 #define DEF_SETUPSEG    0x9020
  31 #define DEF_SYSSIZE     0x8000
  32 
  33 /* internal svga startup constants */
  34 #define NORMAL_VGA      0xffff          /* 80x25 mode */
  35 #define EXTENDED_VGA    0xfffe          /* 80x50 mode */
  36 #define ASK_VGA         0xfffd          /* ask for it at bootup */
  37 
  38 /*
  39  * The root-device is no longer hard-coded. You can change the default
  40  * root-device by changing the line ROOT_DEV = XXX in boot/bootsect.s
  41  */
  42 
  43 /*
  44  * The keyboard is now defined in kernel/chr_dev/keyboard.S
  45  */
  46 
  47 /*
  48  * Normally, Linux can get the drive parameters from the BIOS at
  49  * startup, but if this for some unfathomable reason fails, you'd
  50  * be left stranded. For this case, you can define HD_TYPE, which
  51  * contains all necessary info on your harddisk.
  52  *
  53  * The HD_TYPE macro should look like this:
  54  *
  55  * #define HD_TYPE { head, sect, cyl, wpcom, lzone, ctl}
  56  *
  57  * In case of two harddisks, the info should be sepatated by
  58  * commas:
  59  *
  60  * #define HD_TYPE { h,s,c,wpcom,lz,ctl },{ h,s,c,wpcom,lz,ctl }
  61  */
  62 /*
  63  This is an example, two drives, first is type 2, second is type 3:
  64 
  65 #define HD_TYPE { 4,17,615,300,615,8 }, { 6,17,615,300,615,0 }
  66 
  67  NOTE: ctl is 0 for all drives with heads<=8, and ctl=8 for drives
  68  with more than 8 heads.
  69 
  70  If you want the BIOS to tell what kind of drive you have, just
  71  leave HD_TYPE undefined. This is the normal thing to do.
  72 */
  73 
  74 #undef HD_TYPE
  75  
  76 /*
  77         File type specific stuff goes into this.
  78 */
  79 
  80 #ifdef ASM_SRC
  81 #endif
  82 
  83 #ifdef C_SRC
  84 #endif
  85 
  86 #ifdef MAKE
  87 #endif
  88 
  89 #endif

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