1992/0726/ss/dat.h (diff list | history)

ss/dat.h on 1990/1223
1990/1223		typedef struct Conf Conf; typedef struct FFrame FFrame; typedef struct FPsave FPsave; typedef struct KMap KMap;
1990/1231		typedef struct Lance Lance; typedef struct Lancemem Lancemem;
1990/1223		typedef struct Label Label; typedef struct Lock Lock;
1991/0507		typedef struct PMMU PMMU;
1990/1223		typedef struct Mach Mach; typedef struct Ureg Ureg; typedef struct User User;
1991/0428		#define MACHP(n) (n==0? &mach0 : *(Mach**)0)
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1991/0428		extern Mach mach0; extern void (*kprofp)(ulong); /* * parameters for sysproc.c */ #define AOUT_MAGIC K_MAGIC /* * machine dependent definitions used by ../port/dat.h */
1990/1223		struct Lock {
1990/1226		ulong key;
1990/1223		ulong pc; }; struct Label { ulong sp; ulong pc; };
1991/0428		/* * floating point registers */ enum
1990/1223		{
1991/0428		FPinit, FPactive, FPinactive,
1990/1223		};
1992/0726		#define NFPQ 4 /* just a guess */
1990/1223		struct FPsave {
1991/01151		long fsr;
1991/1113		long fpreg[32];
1992/0726		struct{ ulong a; /* address */ ulong i; /* instruction */ }q[NFPQ];
1990/1223		}; struct Conf { int nmach; /* processors */ int nproc; /* processes */ 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 */
1991/0706		ulong nimage; /* number of page cache image headers */ ulong nswap; /* number of swap blocks */
1992/0619		ulong upages; /* number of user pages */
1990/1223		int copymode; /* 0 is copy on write, 1 is copy on reference */
1991/0926		ulong ipif; /* Ip protocol interfaces */ ulong ip; /* Ip conversations per interface */ ulong arp; /* Arp table size */ ulong frag; /* Ip fragment assemble queue size */
1991/0507		}; /* * mmu goo in the Proc structure */ struct PMMU { int pidonmach[MAXMACH]; int nmmuseg; /* number of segments active in mmu */
1990/1223		};
1991/0428		#include "../port/portdat.h"
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1991/0428		/* * machine dependent definitions not used by ../port/dat.h */
1990/1223		struct KMap { KMap *next; ulong pa; ulong va; }; #define VA(k) ((k)->va) 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 */ Proc *lproc; /* last 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 */
1991/0110		char pidhere[NTLBPID]; /* is this tlbpid possibly in this mmu? */
1990/1226		int lastpid; /* last pid allocated on this machine */
1991/0110		Proc *pidproc[NTLBPID]; /* process that owns this pid on this mach */
1991/0427		int tlbfault; int tlbpurge; int pfault; int cs; int syscall;
1991/1112		int load;
1991/0427		int intr;
1990/1223		int stack[1]; }; #define NERR 15 #define NNOTE 5 struct User { Proc *p;
1991/1113		/* &fpsave must be 4 mod 8 */ FPsave fpsave; /* address of this is known by db */
1992/06271		int scallnr; /* sys call number - known by db */ Sargs s; /* address of this is known by db */
1990/1223		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. */
1991/0717		ulong svpsr;
1990/1223		Note note[NNOTE]; short nnote; short notified; /* sysnoted is due */
1991/0717		Note lastnote;
1990/1223		int (*notify)(void*, char*); void *ureg;
1991/1111		void *dbgreg; /* User registers for debugging in proc */
1992/0102		ulong svr7;
1990/1223		}; /*
1991/0109		* LANCE CSR3 (bus control bits) */ #define BSWP 0x4 #define ACON 0x2 #define BCON 0x1
1990/1231		/* * system dependent lance stuff * filled by lancesetup() */ struct Lance { ushort lognrrb; /* log2 number of receive ring buffers */ ushort logntrb; /* log2 number of xmit ring buffers */ ushort nrrb; /* number of receive ring buffers */ ushort ntrb; /* number of xmit ring buffers */ ushort *rap; /* lance address register */ ushort *rdp; /* lance data register */
1991/0109		ushort busctl; /* bus control bits */
1990/1231		uchar ea[6]; /* our ether addr */ int sep; /* separation between shorts in lance ram as seen by host */ ushort *lanceram; /* start of lance ram as seen by host */ Lancemem *lm; /* start of lance ram as seen by lance */ Etherpkt *rp; /* receive buffers (host address) */ Etherpkt *tp; /* transmit buffers (host address) */ Etherpkt *lrp; /* receive buffers (lance address) */ Etherpkt *ltp; /* transmit buffers (lance address) */ };
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1990/1226		extern register Mach *m; /* R6 */ extern register User *u; /* R5 */
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1991/0110		extern uchar *intrreg;
1991/0604		struct { Lock; short machs; short exiting; }active;