1993/0210/port/portdat.h (diff list | history)

1993/0209/sys/src/9/port/portdat.h:24,29 – 1993/0210/sys/src/9/port/portdat.h:24,30 (short | long | prev | next)
Add Physseg. Format edits. rsc Fri Mar 4 12:44:25 2005
1991/0705		typedef struct Palloc Palloc;
1992/0128		typedef struct Pgrps Pgrps;
1991/0428		typedef struct Pgrp Pgrp;
1993/0210		typedef struct Physseg Physseg;
1991/0428		typedef struct Proc Proc;
1991/0705		typedef struct Pte Pte;
1991/0428		typedef struct Qinfo Qinfo;
1993/0209/sys/src/9/port/portdat.h:408,429 – 1993/0210/sys/src/9/port/portdat.h:409,439
1991/0705		#define SEGMAXSIZE (SEGMAPSIZE*PTEMAPMEM)
1993/0210		struct Physseg { ulong attr; /* Segment attributes */ char *name; /* Attach name */ ulong pa; /* Physical address */ ulong size; /* Maximum segment size in pages */ Page *(*pgalloc)(Segment*, ulong); /* Allocation if we need it */ void (*pgfree)(Page*); };
1991/0705		struct Segment { Ref; QLock lk; ushort steal; /* Page stealer lock */ Segment *next; /* free list pointers */ ushort type; /* segment type */ ulong base; /* virtual base */ ulong top; /* virtual top */ ulong size; /* size in pages */ ulong fstart; /* start address in file for demand load */ ulong flen; /* length of segment in file */
1991/0706		int flushme; /* maintain consistent icache for this segment */
1992/0824		Image *image; /* text in file attached to this segment */
1993/0120		Page *(*pgalloc)(Segment*, ulong);/* SG_PHYSICAL page allocator */
1991/0705		void (*pgfree)(Page *); /* SG_PHYSICAL page free */
1993/0210		ushort steal; /* Page stealer lock */ Segment *next; /* free list pointers */ ushort type; /* segment type */ ulong base; /* virtual base */ ulong top; /* virtual top */ ulong size; /* size in pages */ ulong fstart; /* start address in file for demand load */ ulong flen; /* length of segment in file */ int flushme; /* maintain consistent icache for this segment */ Image *image; /* text in file attached to this segment */ Physseg *pseg;
1991/0705		Pte *map[SEGMAPSIZE]; /* segment pte map */ };