#ifndef _CONFIG_H #define _CONFIG_H /* Minix release and version numbers. */ #define OS_RELEASE "3" #define OS_VERSION "0.2" /* This file sets configuration parameters for the MINIX kernel, FS, and PM. * 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 /* Number of slots in the process table for non-kernel processes. */ #define NR_PROCS 64 /* 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 1024 /* # blocks in the buffer cache */ #define NR_BUF_HASH 1024 /* 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 /* 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 */ #define KMESS_BUF_SIZE 512 /* size in bytes for kernel messages */ /* Number of controller tasks (/dev/cN device classes). */ #define NR_CTRLRS 2 /* Enable or disable the second level file system cache on the RAM disk. */ #define ENABLE_CACHE2 0 /* Enable or disable swapping processes to disk. */ #define ENABLE_SWAP 1 /* Enable or disable kernel calls (allows for minimal kernel). */ #define ENABLE_K_TRACING 1 /* process tracing can be disabled */ #define ENABLE_K_DEBUGGING 0 /* kernel debugging calls */ /* Include or exclude an image of /dev/boot in the boot image. */ #define ENABLE_BOOTDEV 1 /* Include or exclude device drivers. Set to 1 to include, 0 to exclude. */ #define ENABLE_BIOS_WINI 0 /* enable BIOS winchester driver */ #define ENABLE_ESDI_WINI 0 /* enable ESDI winchester driver */ #define ENABLE_XT_WINI 0 /* enable XT winchester driver */ #define ENABLE_AHA1540 0 /* enable Adaptec 1540 SCSI driver */ #define ENABLE_FATFILE 0 /* enable FAT file virtual disk driver */ #define ENABLE_DOSFILE 0 /* enable DOS file virtual disk driver */ #define ENABLE_SB16 0 /* enable Soundblaster audio driver */ #define ENABLE_PCI 1 /* enable PCI device recognition */ /* Include or exclude user-level device drivers (and supporting servers). */ #define ENABLE_PRINTER 1 /* user-level Centronics printer driver */ #define ENABLE_FLOPPY 1 /* enable floppy disk driver */ #define ENABLE_AT_WINI 1 /* enable AT winchester driver */ #define ENABLE_ATAPI 1 /* add ATAPI support to AT driver */ /* DMA_SECTORS may be increased to speed up DMA based drivers. */ #define DMA_SECTORS 1 /* DMA buffer size (must be >= 1) */ /* Enable or disable networking drivers. */ #define ENABLE_DP8390 0 /* enable DP8390 ethernet driver */ #define ENABLE_WDETH 0 /* add Western Digital WD80x3 */ #define ENABLE_NE2000 0 /* add Novell NE1000/NE2000 */ #define ENABLE_3C503 0 /* add 3Com Etherlink II (3c503) */ #define ENABLE_RTL8139 1 /* enable Realtek 8139 (rtl8139) */ /* Include or exclude backwards compatibility code. */ #define ENABLE_BINCOMPAT 0 /* for binaries using obsolete calls */ #define ENABLE_SRCCOMPAT 0 /* for sources using obsolete calls */ /* Include or exclude security sensitive code, i.e., enable or disable certain * code sections that would allow special priviliges to user-level processes. */ #define ENABLE_USERPRIV 1 /* allow special user mode privileges */ /* User mode privileges. Be careful to set these security related features. * USERBIOS allows user processes to perform INT86, GLDT86, and SLDT86 MIOC * calls; USERIOPL set the CPU's I/O Protection Level bits so that user * processes can access I/O on opening /dev/mem/ or /dev/kmem/. In normal * operation, only the kernel should be trusted to do all this. Note that * ENABLE_USERPRIV must be set to 1 to allow the features anyway. */ #define ENABLE_USERBIOS 0 /* enable user mode BIOS calls */ #define ENABLE_USERIOPL 0 /* enable CPU's IOPL bits for /dev/(k)mem */ /* NR_CONS, NR_RS_LINES, and NR_PTYS determine the number of terminals the * system can handle. */ #define NR_CONS 4 /* # system consoles (1 to 8) */ #define NR_RS_LINES 0 /* # rs232 terminals (0 to 4) */ #define NR_PTYS 0 /* # pseudo terminals (0 to 64) */ #define ENABLE_MESSAGE_STATS 0 /*===========================================================================* * 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 #endif #if (MACHINE == ATARI) || (MACHINE == AMIGA) || (MACHINE == MACINTOSH) #define CHIP M68000 #endif #if (MACHINE == SUN_4) || (MACHINE == SUN_4_60) #define CHIP SPARC #define FP_FORMAT FP_IEEE #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 #endif #ifndef FP_FORMAT #define FP_FORMAT FP_NONE #endif #ifndef MACHINE error "In please define MACHINE" #endif #ifndef CHIP error "In please define MACHINE to have a legal value" #endif #if (MACHINE == 0) error "MACHINE has incorrect value (0)" #endif #endif /* _CONFIG_H */