1991/1210/pc/dat.h (diff list | history)

pc/dat.h on 1991/0612
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;
1991/0717		typedef struct Page Page;
1991/0612		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; };
1991/0711		/*
1991/0716		* FPsave.status
1991/0711		*/ enum
1991/0702		{
1991/0711		FPinit, FPactive, FPinactive,
1991/0702		};
1991/0905		struct FPsave
1991/0711		{
1991/0906		uchar regs[108];
1991/0711		};
1991/0612		struct Conf {
1991/0702		ulong nmach; /* processors */ ulong nproc; /* processes */ ulong npgrp; /* process groups */
1991/0711		ulong npage0; /* total physical pages in bank0 */ ulong npage1; /* total physical pages in bank1 */
1991/0612		ulong npage; /* total physical pages of memory */
1991/0711		ulong nseg; /* number of segments */ ulong nimage; /* number of page cache image headers */ ulong npagetab; /* number of pte tables */ ulong nswap; /* number of swap pages */
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) */
1991/0711		ulong nnoifc; /* number of nonet interfaces */ ulong nnoconv; /* number of nonet conversations/ifc */
1991/0702		ulong nurp; /* max urp conversations */ ulong nasync; /* number of async protocol modules */ ulong npipe; /* number of pipes */
1991/0612		ulong maxialloc; /* maximum bytes used by ialloc */
1991/0711		ulong base0; /* base of bank 0 */ ulong base1; /* base of bank 1 */
1991/0702		ulong copymode; /* 0 is copy on write, 1 is copy on reference */
1991/0711		ulong ipif; /* Ip protocol interfaces */ ulong ip; /* Ip conversations per interface */ ulong arp; /* Arp table size */ ulong frag; /* Ip fragment assemble queue size */
1991/0702		ulong cntrlp; /* panic on ^P */
1991/0809		ulong nfloppy; /* number of floppy drives */ ulong nhard; /* number of hard drives */
1991/1107		int dkif; /* number of datakit interfaces */
1991/0612		}; /* * MMU stuff in proc */
1991/0717		#define MAXMMU 4
1991/0718		#define MAXSMMU 1
1991/0612		struct PMMU {
1991/1004		Page *mmutop; /* 1st level table */ Page *mmufree; /* unused page table pages */ Page *mmuused; /* used page table pages */
1991/0612		}; #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 tlbfault; int tlbpurge; int pfault; int cs; int syscall;
1991/1112		int load;
1991/0612		int intr; int stack[1]; }; /* * Fake kmap */ typedef void KMap; #define VA(k) ((ulong)(k))
1991/0718		#define kmap(p) (KMap*)((p)->pa|KZERO)
1991/0612		#define kunmap(k) #define NERR 15 #define NNOTE 5 struct User { Proc *p;
1991/1112		FPsave fpsave; /* address of this is known by vdb */
1991/0612		int nerrlab; Label errlab[NERR]; char error[ERRLEN]; char elem[NAMELEN]; /* last name element from namec */ Chan *slash; Chan *dot; /* * Rest of structure controlled by devproc.c and friends. * lock(&p->debug) to modify. */ Note note[NNOTE]; short nnote; short notified; /* sysnoted is due */
1991/0717		Note lastnote;
1991/0612		int (*notify)(void*, char*); void *ureg;
1991/1112		void *dbgreg; /* User registers for debugging in proc */
1991/0720		ulong svcs; /* cs before a notify */ ulong svss; /* ss before a notify */ ulong svflags; /* flags before a notify */
1991/0612		};
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;
1991/0801		extern int flipD[]; /* for flipping bitblt destination polarity */
1991/1210		enum { At= 0, Attnsx= 1, }; extern int machtype;