2000/0516/mpc/mem.h (diff list | history)

1999/0812/sys/src/9/mpc/mem.h:83,95 – 2000/0516/sys/src/9/mpc/mem.h:83,89 (short | long | prev | next)
1999/0121		#define MACH 30 /* R30 is m-> */ #define USER 29 /* R29 is up-> */ /* * Fundamental addresses */ #define MACHADDR ((long)&mach0) #define UREGSIZE ((8+32)*4)                  /* * virtual MMU */
1999/0812/sys/src/9/mpc/mem.h:100,109 – 2000/0516/sys/src/9/mpc/mem.h:94,110
1999/0121		#define PPN(x) ((x)&~(BY2PG-1)) /*
2000/0516		* Fundamental addresses */ #define MACHADDR (KTZERO-MAXMACH*MACHSIZE) #define MACHP(n) ((Mach *)(MACHADDR+(n)*MACHSIZE)) #define UREGSIZE ((8+32)*4) /*
1999/0121		* MMU */
1999/0126		#ifdef notdef
1999/0121		/* L1 table entry and Mx_TWC flags */ #define PTEWT (1<<1) /* write through */ #define PTE4K (0<<2)
1999/0812/sys/src/9/mpc/mem.h:119,129 – 2000/0516/sys/src/9/mpc/mem.h:120,137
1999/0121		#define PTEKERNEL (0<<2) #define PTEUSER (1<<2) #define PTESIZE (1<<7)
1999/0126		#endif
2000/0516		#define NTLBPID 16 #define TLBPID(n) ((n)&(NTLBPID-1)) /* soft tlb */ #define STLBLOG 12 #define STLBSIZE (1<<STLBLOG)
1999/0126		/* * portable MMU bits for fault.c - though still machine specific */
1999/0608		#define PTEVALID (MMUPP|MMUSH|MMUV)
2000/0516		#define PTEVALID (MMUPP|MMUV)
1999/0126		#define PTEWRITE (2<<10) #define PTERONLY (3<<10) #define PTEUNCACHED (1<<4)
1999/0812/sys/src/9/mpc/mem.h:167,192 – 2000/0516/sys/src/9/mpc/mem.h:175,200
1999/0121		#define UZERO 0 /* base of user address space */ #define UTZERO (UZERO+BY2PG) /* first address in user text */ #define KZERO 0x80000000 /* base of kernel address space */
1999/0812		#define KTZERO 0xffc00000 /* first address in kernel text */
2000/0516		#define KTZERO 0x80010000 /* first address in kernel text */
1999/0121		#define USTKTOP (KZERO-BY2PG) /* byte just beyond user stack */ #define USTKSIZE (16*1024*1024) /* size of user stack */ #define TSTKTOP (USTKTOP-USTKSIZE) /* end of new stack in sysexec */ #define TSTKSIZ 100
2000/0516		#define CONFPARSED (KZERO+0x2000)
1999/0121		#define INTMEM 0x80000000
1999/0609		#define ISAMEM 0x80100000 #define FLASHMEM 0xff000000
2000/0516		#define INTMEM 0xff000000 #define ISAMEM 0xfe000000 #define FLASHMEM 0xff200000
1999/0618		#define SACMEM FLASHMEM + 0x80000
1999/0608		#define NVRAMMEM 0x80600000
1999/0609		#define DRAMMEM 0xff800000 /* to 0xffffffff: 8 Meg */
2000/0516		#define NVRAMMEM 0xfc000000 #define DRAMMEM 0x80000000
1999/0121		#define SIRAM (INTMEM+0xC00) #define LCDCOLR (INTMEM+0xE00) #define DPRAM (INTMEM+0x2000) #define DPLEN1 0x200 #define DPLEN2 0x400 #define DPLEN3 0x800 #define DPBASE (DPRAM+DPLEN1)
2000/0516		#define DPBASE (DPRAM+DPLEN3)
1999/0121		#define SCC1P (INTMEM+0x3C00) #define I2CP (INTMEM+0x3C80)