2000/1007/bitsy/dat.h (diff list | history)

bitsy/dat.h on 2000/0831
2000/0831		typedef struct Conf Conf; typedef struct FPsave FPsave; typedef struct Label Label; typedef struct Lock Lock; typedef struct MMU MMU; typedef struct Mach Mach; typedef struct Notsave Notsave; typedef struct Page Page; typedef struct PMMU PMMU; typedef struct Proc Proc; typedef struct Ureg Ureg; typedef struct Vctl Vctl;
2000/1007		typedef struct PhysUart PhysUart; typedef struct Uart Uart;
2000/0831		/* * parameters for sysproc.c */ #define AOUT_MAGIC (I_MAGIC) struct Lock { ulong key; ulong sr; ulong pc; Proc *p; ushort isilock; }; struct Label { ulong sp; ulong pc; }; /* * no floating point, hence nothing to save */
2000/0902		/* * FPsave.status */ enum { FPinit, FPinactive, };
2000/0831		struct FPsave { int dummy; }; struct Conf { ulong nmach; /* processors */ ulong nproc; /* processes */ ulong npage0; /* total physical pages of memory */ ulong npage1; /* total physical pages of memory */ ulong npage; /* total physical pages of memory */ ulong upages; /* user page pool */ ulong nimage; /* number of page cache image headers */ ulong nswap; /* number of swap pages */ int nswppo; /* max # of pageouts per segment pass */ ulong base0; /* base of bank 0 */ ulong base1; /* base of bank 1 */ ulong copymode; /* 0 is copy on write, 1 is copy on reference */
2000/0905		int monitor; ulong ialloc; /* bytes available for interrupt time allocation */
2000/0831		ulong pipeqsize; /* size in bytes of pipe queues */ }; /* * MMU stuff in proc */ #define NCOLOR 1 struct PMMU { int dummy; }; /* * things saved in the Proc structure during a notify */ struct Notsave { int dummy; }; #include "../port/portdat.h" struct Mach { int machno; /* physical id of processor */ ulong splpc; /* pc of last caller to splhi */ ulong* pdb; /* page directory base for this processor (va) */ Proc* proc; /* current process on this processor */ Proc* externup; /* extern register Proc *up */ Page* pdbpool; int pdbcnt; ulong ticks; /* of the clock since boot time */ Label sched; /* scheduler wakeup */ Lock alarmlock; /* access to alarm list */ void* alarm; /* alarms bound to this clock */ ulong fairness; /* for runproc */ int tlbfault; int tlbpurge; int pfault; int cs; int syscall; int load; int intr; vlong fastclock; /* last sampled value */ vlong intrts; /* time stamp of last interrupt */ int flushmmu; /* make current proc flush it's mmu state */ ulong spuriousintr; int lastintr; int loopconst; int cpumhz; int cpuhz; int cpuidax; int cpuiddx; char cpuidid[16]; char* cpuidtype; vlong mtrrcap; vlong mtrrdef; vlong mtrrfix[11]; vlong mtrrvar[32]; /* 256 max. */
2000/1007		/* save areas for exceptions */ ulong sfiq[5]; ulong sirq[5]; ulong sund[5]; ulong sabt[5];
2000/0831		int stack[1]; }; typedef struct Cycintr Cycintr; /* * fasttick timer interrupts */ struct Cycintr { vlong when; /* fastticks when f should be called */ void (*f)(Ureg*, Cycintr*); void *a; Cycintr *next; }; /* * Fake kmap */ typedef void KMap; #define VA(k) ((ulong)(k)) #define kmap(p) (KMap*)((p)->pa|KZERO) #define kunmap(k) struct { Lock; int machs; /* bitmap of active CPUs */ int exiting; /* shutdown */ int ispanic; /* shutdown in response to a panic */ }active; /*
2000/0929		* Each processor sees its own Mach structure at address MACHADDR. * However, the Mach structures must also be available via the per-processor * MMU information array machp, mainly for disambiguation and access to * the clock which is only maintained by the bootstrap processor (0).
2000/0831		*/ Mach* machp[MAXMACH]; #define MACHP(n) (machp[n]) extern Mach *m; #define up (((Mach*)MACHADDR)->externup)
2000/0907		enum { OneMeg= 1024*1024, };
2000/0929