1991/0703/pc/dat.h (diff list | history)

1991/0703/sys/src/9/pc/dat.h:1,173 – 1991/0706/sys/src/9/pc/dat.h:1,170 (short | long | prev | next)
1991/0612		typedef struct Conf Conf;
1991/0702		typedef struct FPsave FPsave;
1991/0612		typedef struct Label Label; typedef struct Lock Lock; typedef struct MMU MMU; typedef struct Mach Mach; typedef struct PMMU PMMU;
1991/0703		typedef struct Segdesc Segdesc;
1991/0612		typedef struct Ureg Ureg; typedef struct User User; #define MACHP(n) (n==0? &mach0 : *(Mach**)0) extern Mach mach0; extern void (*kprofp)(ulong); /* * parameters for sysproc.c */ #define AOUT_MAGIC I_MAGIC struct Lock {
1991/0703		ulong key;
1991/0612		ulong pc; }; struct Label { ulong sp; ulong pc; };
1991/0702		struct FPsave { int type; };
1991/0612		struct Conf {
1991/0702		ulong nmach; /* processors */ ulong nproc; /* processes */ ulong npgrp; /* process groups */
1991/0612		ulong npage0; /* total physical pages of memory, bank 0 */ ulong npage1; /* total physical pages of memory, bank 1 */ ulong base0; /* base of bank 0 */ ulong base1; /* base of bank 1 */ ulong npage; /* total physical pages of memory */ ulong norig; /* origins */ ulong npte; /* contiguous page table entries */ ulong nmod; /* single (modifying) page table entries */
1991/0702		ulong nalarm; /* alarms */ ulong nchan; /* channels */ ulong nenv; /* distinct environment values */ ulong nenvchar; /* environment text storage */ ulong npgenv; /* environment files per process group */ ulong nmtab; /* mounted-upon channels per process group */ ulong nmount; /* mounts */ ulong nmntdev; /* mounted devices (devmnt.c) */ ulong nmntbuf; /* buffers for devmnt.c messages */ ulong nmnthdr; /* headers for devmnt.c messages */ ulong nstream; /* streams */ ulong nqueue; /* stream queues */ ulong nblock; /* stream blocks */ ulong nsrv; /* public servers (devsrv.c) */ ulong nbitmap; /* bitmap structs (devbit.c) */ ulong nbitbyte; /* bytes of bitmap data (devbit.c) */ ulong nfont; /* font structs (devbit.c) */ ulong nurp; /* max urp conversations */ ulong nasync; /* number of async protocol modules */ ulong npipe; /* number of pipes */ ulong nservice; /* number of services */ ulong nfsyschan; /* number of filsys open channels */
1991/0612		ulong maxialloc; /* maximum bytes used by ialloc */
1991/0702		ulong copymode; /* 0 is copy on write, 1 is copy on reference */ ulong portispaged; /* ??? */ ulong nnoifc; ulong nnoconv; ulong cntrlp; /* panic on ^P */
1991/0612		}; /* * MMU stuff in proc */ struct PMMU { MMU *mmu; }; #include "../port/portdat.h" /* * machine dependent definitions not used by ../port/dat.h */ struct Mach { int machno; /* physical id of processor */ ulong splpc; /* pc of last caller to splhi */ int mmask; /* 1<<m->machno */ ulong ticks; /* of the clock since boot time */ Proc *proc; /* current process on this processor */ Label sched; /* scheduler wakeup */ Lock alarmlock; /* access to alarm list */ void *alarm; /* alarms bound to this clock */ int fpstate; /* state of fp registers on machine */ int tlbfault; int tlbpurge; int pfault; int cs; int syscall; int spinlock; int intr; int stack[1]; }; /* * Fake kmap */ typedef void KMap; #define VA(k) ((ulong)(k)) #define kmap(p) (KMap*)(p->pa|KZERO) #define kunmap(k) #define NERR 15 #define NNOTE 5 #define NFD 100 struct User { Proc *p; int nerrlab; Label errlab[NERR]; char error[ERRLEN]; FPsave fpsave; /* address of this is known by vdb */ char elem[NAMELEN]; /* last name element from namec */ Chan *slash; Chan *dot; Chan *fd[NFD]; int maxfd; /* highest fd in use */ /* * Rest of structure controlled by devproc.c and friends. * lock(&p->debug) to modify. */ Note note[NNOTE]; short nnote; short notified; /* sysnoted is due */ int (*notify)(void*, char*); void *ureg; ushort svvo; ushort svsr; };
1991/0703		/* * segment descriptor/gate */ struct Segdesc { ulong d0; ulong d1; };
1991/0612		struct { Lock; short machs; short exiting; }active; extern Mach *m; extern User *u;