1994/0209/carrera/mem.h (diff list | history)

1993/1230/sys/src/9/carrera/mem.h:7,26 – 1994/0209/sys/src/9/carrera/mem.h:7,26 (short | long | prev | next)
1993/0903		*/ #define BI2BY 8 /* bits per byte */ #define BI2WD 32 /* bits per word */
1994/0209		#define BI2WD 32 /* bits per word */
1993/0903		#define BY2WD 4 /* bytes per word */ #define BY2PG 4096 /* bytes per page */ #define WD2PG (BY2PG/BY2WD) /* words per page */ #define PGSHIFT 12 /* log(BY2PG) */ #define PGROUND(s) (((s)+(BY2PG-1))&~(BY2PG-1))
1994/0209		#define PGROUND(s) (((s)+(BY2PG-1))&~(BY2PG-1))
1993/0903
1993/1211		#define MAXMACH 1 /* max # cpus system can run */
1993/0903		#define KSTACK 4096 /* Size of kernel stack */
1994/0209		#define KSTACK 4096 /* Size of kernel stack */
1993/0903		/* * Time */ #define HZ 100 /* clock frequency */
1994/0209		#define HZ 100 /* clock frequency */
1993/0903		#define MS2HZ (1000/HZ) /* millisec per clock tick */ #define TK2SEC(t) ((t)/HZ) /* ticks to seconds */ #define TK2MS(t) ((t)*MS2HZ) /* ticks to milliseconds */
1993/1230/sys/src/9/carrera/mem.h:96,148 – 1994/0209/sys/src/9/carrera/mem.h:96,148
1993/0903		* Fundamental addresses */
1993/1211		#define MACHADDR (KTZERO-MAXMACH*BY2PG) /* warning: rdbg is near here */
1993/0906		#define UREGSIZE 0xA0 /* Sizeof(Ureg)+retpc & ur */
1994/0209		#define UREGSIZE 0xC0 /* Sizeof(Ureg)+R5,R6+16 bytes slop+retpc & ur */
1993/0903		#define MACHP(n) ((Mach *)(MACHADDR+(n)*BY2PG)) /* * MMU */ #define PGSZ4K (0x00<<13)
1993/0904		#define PGSZ64K (0x0F<<13)
1993/0903		#define PGSZ256K (0x3F<<13)
1993/0907		#define PGSZ1M (0xFF<<13)
1994/0209		#define PGSZ4K (0x00<<13) #define PGSZ64K (0x0F<<13) #define PGSZ256K (0x3F<<13) #define PGSZ1M (0xFF<<13)
1993/0903		#define KUSEG 0x00000000 #define KSEG0 0x80000000 #define KSEG1 0xA0000000
1994/0209		#define KSEG0 0x80000000 #define KSEG1 0xA0000000
1993/0903		#define KSEG2 0xC0000000 #define KSEG3 0xE0000000 #define KSEGM 0xE0000000 /* mask to check which seg */ #define PIDXSHFT 12 #define PIDX (0x7<<PIDXSHFT)
1994/0209		#define PIDXSHFT 12 #define PIDX (0x7<<PIDXSHFT)
1993/1218		#define KMAPADDR 0xE2000000
1993/0906		#define KMAPMASK 0xFF000000
1993/0903		#define KMAPSHIFT 15 #define NCOLOR 8
1993/0906		#define getpgcolor(a) (((ulong)(a)>>PIDXSHFT)&7)
1994/0209		#define KMAPMASK 0xFF000000 #define KMAPSHIFT 15 #define NCOLOR 8 #define getpgcolor(a) (((ulong)(a)>>PIDXSHFT)&7)
1993/0903		#define PTEGLOBL (1<<0) #define PTEVALID (1<<1) #define PTEWRITE (1<<2) #define PTERONLY 0 #define PTEALGMASK (7<<3) #define PTEUNCACHED (2<<3) #define PTENONCOHER (3<<3) #define PTECOHERXCL (4<<3) #define PTECOHERXCLW (5<<3) #define PTECOHERUPDW (6<<3)
1993/0908		#define IOPTE (PTEGLOBL|PTEVALID|PTEWRITE|PTEUNCACHED)
1994/0209		#define PTERONLY 0 #define PTEALGMASK (7<<3) #define PTEUNCACHED (2<<3) #define PTENONCOHER (3<<3) #define PTECOHERXCL (4<<3) #define PTECOHERXCLW (5<<3) #define PTECOHERUPDW (6<<3) #define IOPTE (PTEGLOBL|PTEVALID|PTEWRITE|PTEUNCACHED)
1993/0903		#define PTEPID(n) (n) #define TLBPID(n) ((n)&0xFF) #define PTEMAPMEM (1024*1024)
1994/0209		#define TLBPID(n) ((n)&0xFF) #define PTEMAPMEM (1024*1024)
1993/0903		#define PTEPERTAB (PTEMAPMEM/BY2PG) #define STLBLOG 13 #define STLBSIZE (1<<STLBLOG)
1993/1224		#define KPTELOG 7
1993/0903		#define KPTESIZE (1<<KPTELOG) #define SEGMAPSIZE 512
1994/0209		#define STLBLOG 13 #define STLBSIZE (1<<STLBLOG) #define KPTELOG 7 #define KPTESIZE (1<<KPTELOG) #define SEGMAPSIZE 512
1993/0903		#define NTLBPID 256 /* number of pids */ #define NTLB 48 /* number of entries */
1993/1230/sys/src/9/carrera/mem.h:156,162 – 1994/0209/sys/src/9/carrera/mem.h:156,162
1993/0903		#define UTZERO (UZERO+BY2PG) /* first address in user text */ #define USTKTOP (KZERO-BY2PG) /* byte just beyond user stack */ #define TSTKTOP (0xC0000000+USTKSIZE-BY2PG) /* top of temporary stack */ #define TSTKSIZ 100
1994/0209		#define TSTKSIZ 100
1993/0903		#define KZERO KSEG0 /* base of kernel address space */ #define KTZERO (KZERO+0x20000) /* first address in kernel text */ #define USTKSIZE (4*1024*1024) /* size of user stack */