1993/0906/carrera/mem.h (diff list | history)

1993/0904/sys/src/9/carrera/mem.h:78,86 – 1993/0906/sys/src/9/carrera/mem.h:78,85 (short | long | prev | next)
1993/0903		#define CU1 0x20000000 /* * Traps
1993/0906		* Trap vectors
1993/0903		*/                  #define UTLBMISS (KSEG0+0x000) #define XEXCEPTION (KSEG0+0x80) #define CACHETRAP (KSEG0+0x100)
1993/0904/sys/src/9/carrera/mem.h:89,95 – 1993/0906/sys/src/9/carrera/mem.h:88,93
1993/0903		/* * Magic registers */                  #define USER 24 /* R24 is up-> */ #define MACH 25 /* R25 is m-> */
1993/0904/sys/src/9/carrera/mem.h:97,113 – 1993/0906/sys/src/9/carrera/mem.h:95,106
1993/0903		* Fundamental addresses */ #define MACHADDR 0x80005000 /* Mach structures */ /* Leave space below kmap for IO */ #define KMAPADDR 0xE0040000 /* Sizeof(Ureg)+space for retpc & ur */ #define UREGSIZE 0xA0
1993/0906		#define UREGSIZE 0xA0 /* Sizeof(Ureg)+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)
1993/0904/sys/src/9/carrera/mem.h:121,129 – 1993/0906/sys/src/9/carrera/mem.h:114,124
1993/0903		#define PIDXSHFT 12 #define PIDX (0x7<<PIDXSHFT)
1993/0906		#define KMAPADDR 0xE1000000 #define KMAPMASK 0xFF000000
1993/0903		#define KMAPSHIFT 15 #define NCOLOR 8 #define getcolor(a) (((ulong)(a)>>PIDXSHFT)&7)
1993/0906		#define getpgcolor(a) (((ulong)(a)>>PIDXSHFT)&7)
1993/0903		#define PTEGLOBL (1<<0) #define PTEVALID (1<<1)