2000/1027/bitsy/dat.h (diff list | history)

bitsy/dat.h on 2000/0831
2000/0831		typedef struct Conf Conf;
2000/1026		typedef struct FPU FPU; typedef struct FPenv FPenv;
2000/0831		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 */
2000/1015		#define AOUT_MAGIC (E_MAGIC)
2000/0831		struct Lock { ulong key; ulong sr; ulong pc; Proc *p; ushort isilock; }; struct Label { ulong sp; ulong pc; }; /*
2000/0902		* FPsave.status */ enum {
2000/1027		FPinit, FPactive, FPinactive,
2000/0902		};
2000/0831		struct FPsave {
2000/1026		ulong status; ulong control; ulong regs[8][3]; /* emulated fp */
2000/0831		}; 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 */
2000/1011		enum { NCOLOR= 1, /* 1 level cache, don't worry about VCE's */ Nmeg= 32, /* maximum size of user space */ };
2000/0831		struct PMMU {
2000/1013		Page *l1page[Nmeg]; /* this's process' level 1 entries */ ulong l1table[Nmeg]; /* ... */
2000/1015		Page *mmufree; /* free mmu pages */
2000/0831		}; /* * 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 */
2000/1016		Proc *proc; /* current process */ ulong mmupid; /* process id currently in mmu & cache */
2000/0831		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 */
2000/1012		/* stats */
2000/0831		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 */ ulong spuriousintr; int lastintr;
2000/1012		int flushmmu; /* make current proc flush it's mmu state */ Proc *pid2proc[31]; /* what proc holds what pid */ int lastpid; /* highest assigned pid slot */
2000/0831
2000/1012		int cpumhz; /* speed of cpu */ int cpuhz; /* ... *
2000/0831
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; }; /*
2000/1011		* Fake kmap since we direct map dram
2000/0831		*/ typedef void KMap; #define VA(k) ((ulong)(k))
2000/1011		#define kmap(p) (KMap*)((p)->pa)
2000/0831		#define kunmap(k) struct { Lock; int machs; /* bitmap of active CPUs */ int exiting; /* shutdown */ int ispanic; /* shutdown in response to a panic */ }active;
2000/1015		#define MACHP(n) ((Mach *)(MACHADDR+(n)*BY2PG))
2000/0831		extern Mach *m;
2000/1016		extern Proc *up;
2000/0907		enum { OneMeg= 1024*1024, };