1994/0322/pc/dat.h (diff list | history)

pc/dat.h on 1991/0612
1991/0612		typedef struct Conf Conf;
1991/0702		typedef struct FPsave FPsave;
1993/0915		typedef struct ISAConf ISAConf;
1991/0612		typedef struct Label Label; typedef struct Lock Lock; typedef struct MMU MMU; typedef struct Mach Mach;
1993/1013		typedef struct Notsave Notsave;
1992/0923		typedef struct PCArch PCArch;
1991/0717		typedef struct Page Page;
1991/0612		typedef struct PMMU PMMU;
1991/0703		typedef struct Segdesc Segdesc;
1991/0612		typedef struct Ureg Ureg; #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;
1994/0322		ulong sr;
1991/0612		}; 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		{
1992/0806		ushort control; ushort r1; ushort status; ushort r2; ushort tag; ushort r3; ulong pc; ushort selector; ushort r4; ulong operand; ushort oselector; ushort r5; uchar regs[80]; /* floating point registers */
1991/0711		};
1991/0612		struct Conf {
1991/0702		ulong nmach; /* processors */ ulong nproc; /* processes */
1992/0807		ulong monitor; /* has monitor? */
1992/0625		ulong npage0; /* total physical pages of memory */ ulong npage1; /* total physical pages of memory */ ulong topofmem; /* highest physical address + 1 */
1991/0612		ulong npage; /* total physical pages of memory */
1992/0625		ulong upages; /* user page pool */
1991/0711		ulong nimage; /* number of page cache image headers */ ulong nswap; /* number of swap pages */ 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 */
1991/0809		ulong nfloppy; /* number of floppy drives */ ulong nhard; /* number of hard drives */
1992/1105		ulong ldepth; /* screen depth */ ulong maxx; /* screen width */ ulong maxy; /* screen length */
1994/0322		ulong ialloc; /* max interrupt time allocation in bytes */
1991/0612		}; /* * MMU stuff in proc */
1991/0717		#define MAXMMU 4
1991/0718		#define MAXSMMU 1
1993/0915		#define NCOLOR 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		};
1993/1013		/* * things saved in the Proc structure during a notify */ struct Notsave { ulong svflags; ulong svcs; ulong svss; };
1991/0612		#include "../port/portdat.h" /* * machine dependent definitions not used by ../port/dat.h */
1994/0311		#define NCALLBACK 32
1991/0612		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 */
1993/1214		Schedq hiq; Schedq loq;
1994/0311		void (**cbin)(void); void (**cbout)(void); void (**cbend)(void); void (*calls[NCALLBACK])(void);
1991/0612		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)
1991/0703		/* * segment descriptor/gate */ struct Segdesc { ulong d0; ulong d1; };
1991/0612		struct { Lock; short machs; short exiting; }active;
1992/0923		/* * routines for things outside the PC model, like power management */ struct PCArch { char *id; void (*reset)(void); /* this should be in the model */ int (*cpuspeed)(int); /* 0 = low, 1 = high */ void (*buzz)(int, int); /* make a noise */ void (*lights)(int); /* turn lights or icons on/off */ int (*serialpower)(int); /* 1 == on, 0 == off */ int (*modempower)(int); /* 1 == on, 0 == off */ int (*extvga)(int); /* 1 == external, 0 == internal */ };
1993/0915		struct ISAConf { char type[NAMELEN]; ulong port; ulong irq; ulong mem; ulong size; uchar ea[6]; };
1991/0801
1993/0915		#define MAXPCMCIA 8 /* maximum number of PCMCIA cards */ #define BOOTLINE ((char *)0x80000100) /* bootline passed by boot program */
1991/1210
1993/0915		extern int flipD[]; /* for flipping bitblt destination polarity */ extern PCArch *arch; /* PC architecture */
1993/1013		extern int cpuflag; /* true if this is a CPU */
1992/0918
1993/0915		extern Mach *m; extern Proc *up;