## diffname gnot/mem.h 1990/03091 ## diff -e /dev/null /n/bootesdump/1990/03091/sys/src/9/68020/mem.h 0a /* * Memory and machine-specific definitions. Used in C and assembler. */ /* * Sizes */ #define BI2BY 8 /* bits per byte */ #define BI2WD 32 /* bits per word */ #define BY2WD 4 /* bytes per word */ #define BY2PG 8192 /* bytes per page */ #define WD2PG (BY2PG/BY2WD) /* words per page */ #define PGSHIFT 13 /* log(BY2PG) */ #define MS2HZ 16 /* BUG */ /* millisec per clock tick */ #define MAXMACH 1 /* max # cpus system can run */ /* * SR bits */ #define SUPER 0x2000 #define SPL(n) (n<<8) /* * CACR */ #define CCLEAR 0x08 #define CENABLE 0x01 /* * Magic registers */ #define MACH A5 /* A5 is m-> */ #define USER A4 /* A4 is u-> */ /* * Fundamental addresses */ #define USERADDR 0x80000000 #define UREGADDR (USERADDR+BY2PG-(2+4+2+(8+8+1)*BY2WD)) /* * Devices poked during bootstrap */ #define TACADDR 0x40600000 #define MOUSE 0x40200000 /* * MMU */ #define KUSEG 0x00000000 #define KSEG 0x80000000 /* * MMU entries */ #define PTEVALID (1<<13) #define PTERONLY (1<<14) #define PTEKERNEL (1<<15) #define INVALIDPTE 0 #define PPN(pa) ((pa>>13)&0x1FFF) #define KMAP ((unsigned long *)0xD0000000) #define UMAP ((unsigned long *)0x50000000) /* * Virtual addresses */ #define VTAG(va) ((va>>22)&0x03F) #define VPN(va) ((va>>13)&0x1FF) #define PARAM ((char*)0x40500000) #define TLBFLUSH_ 0x01 /* * Address spaces */ #define UZERO KUSEG /* base of user address space */ #define UTZERO (UZERO+BY2PG) /* first address in user text */ #define TSTKTOP 0x10000000 /* end of new stack in sysexec */ #define USTKTOP (TSTKTOP-100*BY2PG) /* byte just beyond user stack */ #define KZERO KSEG /* base of kernel address space */ #define KTZERO (KZERO+BY2PG) /* first address in kernel text */ #define NSEG 5 #define MACHSIZE 4096 . ## diffname gnot/mem.h 1990/0611 ## diff -e /n/bootesdump/1990/03091/sys/src/9/68020/mem.h /n/bootesdump/1990/0611/sys/src/9/68020/mem.h 15c #define MS2HZ (1000/60) /* millisec per clock tick */ . ## diffname gnot/mem.h 1990/06111 ## diff -e /n/bootesdump/1990/0611/sys/src/9/68020/mem.h /n/bootesdump/1990/06111/sys/src/9/68020/mem.h 17a /* * Time */ #define MS2HZ (1000/60) /* millisec per clock tick */ #define TK2SEC(t) ((t)/60) /* ticks to seconds */ #define TK2MS(t) (((t)*1000)/60) /* ticks to milliseconds */ #define MS2TK(t) (((t)*60)/1000) /* milliseconds to ticks */ . 15d ## diffname gnot/mem.h 1990/08101 ## diff -e /n/bootesdump/1990/06111/sys/src/9/68020/mem.h /n/bootesdump/1990/08101/sys/src/9/68020/mem.h 61a #define VAMASK 0xCFFFFFFF /* clear balu bits in address */ . 21,24c #define HZ (60) /* clock frequency */ #define MS2HZ (1000/HZ) /* millisec per clock tick */ #define TK2SEC(t) ((t)/HZ) /* ticks to seconds */ #define TK2MS(t) (((t)*1000)/HZ) /* ticks to milliseconds */ #define MS2TK(t) (((t)*HZ)/1000) /* milliseconds to ticks */ . ## diffname gnot/mem.h 1990/0821 ## diff -e /n/bootesdump/1990/08101/sys/src/9/68020/mem.h /n/bootesdump/1990/0821/sys/src/9/68020/mem.h 97a #define USTACKSIZE (4*1024*1024) /* size of user stack */ . ## diffname gnot/mem.h 1990/1012 ## diff -e /n/bootesdump/1990/0821/sys/src/9/68020/mem.h /n/bootesdump/1990/1012/sys/src/9/68020/mem.h 24,25c #define TK2MS(t) ((((ulong)(t))*1000)/HZ) /* ticks to milliseconds */ #define MS2TK(t) ((((ulong)(t))*HZ)/1000) /* milliseconds to ticks */ . ## diffname gnot/mem.h 1990/1212 ## diff -e /n/bootesdump/1990/1012/sys/src/9/68020/mem.h /n/bootesdump/1990/1212/sys/src/9/68020/mem.h 70a #define PTEWRITE 0 . ## diffname gnot/mem.h 1990/1223 ## diff -e /n/bootesdump/1990/1212/sys/src/9/68020/mem.h /n/bootesdump/1990/1223/sys/src/9/68020/mem.h 40c * Magic registers (unused in current system) . ## diffname gnot/mem.h 1991/0319 ## diff -e /n/bootesdump/1991/0201/sys/src/9/68020/mem.h /n/bootesdump/1991/0319/sys/src/9/gnot/mem.h 51c #define UREGADDR (USERADDR+BY2PG-(2+4+2+(8+8+1+1)*BY2WD)) . ## diffname gnot/mem.h 1991/0411 ## diff -e /n/bootesdump/1991/0319/sys/src/9/gnot/mem.h /n/bootesdump/1991/0411/sys/src/9/gnot/mem.h 102a #define isphys(p) ((((ulong)(p))&0xF0000000) == KSEG) . ## diffname gnot/mem.h 1991/0523 ## diff -e /n/bootesdump/1991/0411/sys/src/9/gnot/mem.h /n/bootesdump/1991/0523/sys/src/9/gnot/mem.h 96c #define TSTKSIZ 100 #define USTKTOP (TSTKTOP-TSTKSIZ*BY2PG) /* byte just beyond user stack */ . ## diffname gnot/mem.h 1991/0605 ## diff -e /n/bootesdump/1991/0523/sys/src/9/gnot/mem.h /n/bootesdump/1991/0605/sys/src/9/gnot/mem.h 102d 100c #define USTKSIZE (4*1024*1024) /* size of user stack */ . ## diffname gnot/mem.h 1991/0606 ## diff -e /n/bootesdump/1991/0605/sys/src/9/gnot/mem.h /n/bootesdump/1991/0606/sys/src/9/gnot/mem.h 14a #define PGROUND(s) (((s)+(BY2PG-1))&~(BY2PG-1)) . ## diffname gnot/mem.h 1991/0608 ## diff -e /n/bootesdump/1991/0606/sys/src/9/gnot/mem.h /n/bootesdump/1991/0608/sys/src/9/gnot/mem.h 74a #define PTEUNCACHED 0 . ## diffname gnot/mem.h 1991/0705 ## diff -e /n/bootesdump/1991/0608/sys/src/9/gnot/mem.h /n/bootesdump/1991/0705/sys/src/9/gnot/mem.h 76a #define PTEMAPMEM (1024*1024) #define PTEPERTAB (PTEMAPMEM/BY2PG) #define SEGMAPSIZE 16 . 15a #define ICACHESIZE 0 . ## diffname gnot/mem.h 1991/0719 ## diff -e /n/bootesdump/1991/0705/sys/src/9/gnot/mem.h /n/bootesdump/1991/0719/sys/src/9/gnot/mem.h 53c /* assuming we're in a syscall, this is the address of the Ureg structure */ #define UREGVARSZ (23*BY2WD) /* size of variable part of Ureg */ #define UREGADDR (USERADDR+BY2PG-(UREGVARSZ+2+4+2+(8+8+1+1)*BY2WD)) . ## diffname gnot/mem.h 1991/0821 ## diff -e /n/bootesdump/1991/0719/sys/src/9/gnot/mem.h /n/bootesdump/1991/0821/sys/src/9/gnot/mem.h 16a #define MB4 (4*1024*1024) /* Lots of things are 4Mb in size */ . ## diffname gnot/mem.h 1992/0622 ## diff -e /n/bootesdump/1991/0821/sys/src/9/gnot/mem.h /n/bootesdump/1992/0622/sys/src/9/gnot/mem.h 17a #define MB (1024*1024) . ## diffname gnot/mem.h 1992/0726 ## diff -e /n/bootesdump/1992/0622/sys/src/9/gnot/mem.h /n/bootesdump/1992/0726/sys/src/9/gnot/mem.h 18d ## diffname gnot/mem.h 1993/0501 # deleted ## diff -e /n/bootesdump/1992/0726/sys/src/9/gnot/mem.h /n/fornaxdump/1993/0501/sys/src/brazil/gnot/mem.h 1,115d