#ifndef _CONFIG_H #define _CONFIG_H /* Minix release and version numbers. */ #define OS_RELEASE "2.0" #define OS_VERSION "0" /* This file sets configuration parameters for the MINIX kernel, FS, and MM. * It is divided up into two main sections. The first section contains * user-settable parameters. In the second section, various internal system * parameters are set based on the user-settable parameters. */ /*===========================================================================* * This section contains user-settable parameters * *===========================================================================*/ #define MACHINE IBM_PC /* Must be one of the names listed below */ #define IBM_PC 1 /* any 8088 or 80x86-based system */ #define SUN_4 40 /* any Sun SPARC-based system */ #define SUN_4_60 40 /* Sun-4/60 (aka SparcStation 1 or Campus) */ #define ATARI 60 /* ATARI ST/STe/TT (68000/68030) */ #define AMIGA 61 /* Commodore Amiga (68000) */ #define MACINTOSH 62 /* Apple Macintosh (68000) */ /* Word size in bytes (a constant equal to sizeof(int)). */ #if __ACK__ #define _WORD_SIZE _EM_WSIZE #endif /* If ROBUST is set to 1, writes of i-node, directory, and indirect blocks * from the cache happen as soon as the blocks are modified. This gives a more * robust, but slower, file system. If it is set to 0, these blocks are not * given any special treatment, which may cause problems if the system crashes. */ #define ROBUST 0 /* 0 for speed, 1 for robustness */ /* Number of slots in the process table for user processes. */ #define NR_PROCS 32 /* The buffer cache should be made as large as you can afford. */ #if (MACHINE == IBM_PC && _WORD_SIZE == 2) #define NR_BUFS 40 /* # blocks in the buffer cache */ #define NR_BUF_HASH 64 /* size of buf hash table; MUST BE POWER OF 2*/ #endif #if (MACHINE == IBM_PC && _WORD_SIZE == 4) #define NR_BUFS 80 /* # blocks in the buffer cache */ #define NR_BUF_HASH 128 /* size of buf hash table; MUST BE POWER OF 2*/ #endif #if (MACHINE == SUN_4_60) #define NR_BUFS 512 /* # blocks in the buffer cache (<=1536) */ #define NR_BUF_HASH 512 /* size of buf hash table; MUST BE POWER OF 2*/ #endif #if (MACHINE == ATARI) #define NR_BUFS 1536 /* # blocks in the buffer cache (<=1536) */ #define NR_BUF_HASH 2048 /* size of buf hash table; MUST BE POWER OF 2*/ #endif /* Defines for kernel configuration. */ #define AUTO_BIOS 0 /* xt_wini.c - use Western's autoconfig BIOS */ #define LINEWRAP 1 /* console.c - wrap lines at column 80 */ #define ALLOW_GAP_MESSAGES 1 /* proc.c - allow messages in the gap between * the end of bss and lowest stack address */ /* Enable or disable the second level file system cache on the RAM disk. */ #define ENABLE_CACHE2 1 /* Include or exclude device drivers. Set to 1 to include, 0 to exclude. */ #define ENABLE_NETWORKING 0 /* enable TCP/IP code */ #define ENABLE_AT_WINI 1 /* enable AT winchester driver */ #define ENABLE_BIOS_WINI 1 /* enable BIOS winchester driver */ #define ENABLE_ESDI_WINI 1 /* enable ESDI winchester driver */ #define ENABLE_XT_WINI 0 /* enable XT winchester driver */ #define ENABLE_ADAPTEC_SCSI 1 /* enable ADAPTEC SCSI driver */ #define ENABLE_MITSUMI_CDROM 0 /* enable Mitsumi CD-ROM driver */ #define ENABLE_SB_AUDIO 0 /* enable Soundblaster audio driver */ /* DMA_SECTORS may be increased to speed up DMA based drivers. */ #define DMA_SECTORS 1 /* DMA buffer size (must be >= 1) */ /* Include or exclude backwards compatibility code. */ #define ENABLE_BINCOMPAT 0 /* for binaries using obsolete calls */ #define ENABLE_SRCCOMPAT 0 /* for sources using obsolete calls */ /* Determine which device to use for pipes. */ #define PIPE_DEV ROOT_DEV /* put pipes on root device */ /* NR_CONS, NR_RS_LINES, and NR_PTYS determine the number of terminals the * system can handle. */ #define NR_CONS 2 /* # system consoles (1 to 8) */ #define NR_RS_LINES 2 /* # rs232 terminals (0, 1, or 2) */ #define NR_PTYS 0 /* # pseudo terminals (0 to 64) */ #if (MACHINE == ATARI) /* The next define says if you have an ATARI ST or TT */ #define ATARI_TYPE TT #define ST 1 /* all ST's and Mega ST's */ #define STE 2 /* all STe and Mega STe's */ #define TT 3 /* if SCREEN is set to 1 graphical screen operations are possible */ #define SCREEN 1 /* This define says whether the keyboard generates VT100 or IBM_PC escapes. */ #define KEYBOARD VT100 /* either VT100 or IBM_PC */ #define VT100 100 /* The next define determines the kind of partitioning. */ #define PARTITIONING SUPRA /* one of the following or ATARI */ #define SUPRA 1 /*ICD, SUPRA and BMS are all the same */ #define BMS 1 #define ICD 1 #define CBHD 2 #define EICKMANN 3 /* Define the number of hard disk drives on your system. */ #define NR_ACSI_DRIVES 3 /* typically 0 or 1 */ #define NR_SCSI_DRIVES 1 /* typically 0 (ST, STe) or 1 (TT) */ /* Some systems need to have a little delay after each winchester * commands. These systems need FAST_DISK set to 0. Other disks do not * need this delay, and thus can have FAST_DISK set to 1 to avoid this delay. */ #define FAST_DISK 1 /* 0 or 1 */ /* Note: if you want to make your kernel smaller, you can set NR_FD_DRIVES * to 0. You will still be able to boot minix.img from floppy. However, you * MUST fetch both the root and usr filesystem from a hard disk */ /* Define the number of floppy disk drives on your system. */ #define NR_FD_DRIVES 1 /* 0, 1, 2 */ /* This configuration define controls parallel printer code. */ #define PAR_PRINTER 1 /* disable (0) / enable (1) parallel printer */ /* This configuration define controls disk controller clock code. */ #define HD_CLOCK 1 /* disable (0) / enable (1) hard disk clock */ #endif /*===========================================================================* * There are no user-settable parameters after this line * *===========================================================================*/ /* Set the CHIP type based on the machine selected. The symbol CHIP is actually * indicative of more than just the CPU. For example, machines for which * CHIP == INTEL are expected to have 8259A interrrupt controllers and the * other properties of IBM PC/XT/AT/386 types machines in general. */ #define INTEL 1 /* CHIP type for PC, XT, AT, 386 and clones */ #define M68000 2 /* CHIP type for Atari, Amiga, Macintosh */ #define SPARC 3 /* CHIP type for SUN-4 (e.g. SPARCstation) */ /* Set the FP_FORMAT type based on the machine selected, either hw or sw */ #define FP_NONE 0 /* no floating point support */ #define FP_IEEE 1 /* conform IEEE floating point standard */ #if (MACHINE == IBM_PC) #define CHIP INTEL #define SHADOWING 0 #define ENABLE_WINI (ENABLE_AT_WINI || ENABLE_BIOS_WINI || \ ENABLE_ESDI_WINI || ENABLE_XT_WINI) #define ENABLE_SCSI (ENABLE_ADAPTEC_SCSI) #define ENABLE_CDROM (ENABLE_MITSUMI_CDROM) #define ENABLE_AUDIO (ENABLE_SB_AUDIO) #endif #if (MACHINE == ATARI) || (MACHINE == AMIGA) || (MACHINE == MACINTOSH) #define CHIP M68000 #define SHADOWING 1 #endif #if (MACHINE == SUN_4) || (MACHINE == SUN_4_60) #define CHIP SPARC #define FP_FORMAT FP_IEEE #define SHADOWING 0 #endif #if (MACHINE == ATARI) || (MACHINE == SUN_4) #define ASKDEV 1 /* ask for boot device */ #define FASTLOAD 1 /* use multiple block transfers to init ram */ #endif #if (ATARI_TYPE == TT) /* and all other 68030's */ #define FPP #undef SHADOWING #define SHADOWING 0 #endif #ifndef FP_FORMAT #define FP_FORMAT FP_NONE #endif /* The file buf.h uses MAYBE_WRITE_IMMED. */ #if ROBUST #define MAYBE_WRITE_IMMED WRITE_IMMED /* slower but perhaps safer */ #else #define MAYBE_WRITE_IMMED 0 /* faster */ #endif #ifndef MACHINE error "In <minix/config.h> please define MACHINE" #endif #ifndef CHIP error "In <minix/config.h> please define MACHINE to have a legal value" #endif #if (MACHINE == 0) error "MACHINE has incorrect value (0)" #endif #endif /* _CONFIG_H */