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- typedef struct Conf Conf;
- typedef struct Confmem Confmem;
- typedef struct FPsave FPsave;
- typedef struct ISAConf ISAConf;
- typedef struct Label Label;
- typedef struct Lock Lock;
- typedef struct Mach Mach;
- typedef struct Notsave Notsave;
- typedef struct Page Page;
- typedef struct PCArch PCArch;
- typedef struct Pcidev Pcidev;
- typedef struct PMMU PMMU;
- typedef struct Proc Proc;
- typedef struct Sys Sys;
- typedef struct Ureg Ureg;
- typedef struct Vctl Vctl;
- #pragma incomplete Ureg
- #define MAXSYSARG 5 /* for mount(fd, mpt, flag, arg, srv) */
- /*
- * parameters for sysproc.c
- */
- #define AOUT_MAGIC Q_MAGIC
- /*
- * machine dependent definitions used by ../port/dat.h
- */
- struct Lock
- {
- ulong key; /* semaphore (non-zero = locked) */
- ulong sr;
- ulong pc;
- Proc *p;
- Mach *m;
- ushort isilock;
- };
- struct Label
- {
- ulong sp;
- ulong pc;
- };
- /*
- * Proc.fpstate
- */
- enum
- {
- FPinit,
- FPactive,
- FPinactive,
- };
- /*
- * This structure must agree with fpsave and fprestore asm routines
- */
- struct FPsave
- {
- double fpreg[32];
- union {
- double fpscrd;
- struct {
- ulong pad;
- ulong fpscr;
- };
- };
- };
- struct Confmem
- {
- ulong base;
- ulong npage;
- ulong kbase;
- ulong klimit;
- };
- struct Conf
- {
- ulong nmach; /* processors */
- ulong nproc; /* processes */
- Confmem mem[1];
- 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 copymode; /* 0 is copy on write, 1 is copy on reference */
- int monitor; /* has display? */
- ulong ialloc; /* bytes available for interrupt time allocation */
- ulong pipeqsize; /* size in bytes of pipe queues */
- };
- /*
- * mmu goo in the Proc structure
- */
- #define NCOLOR 1
- struct PMMU
- {
- int mmupid;
- };
- /*
- * things saved in the Proc structure during a notify
- */
- struct Notsave
- {
- ulong UNUSED;
- };
- #include "../port/portdat.h"
- /*
- * machine dependent definitions not used by ../port/dat.h
- */
- /*
- * Fake kmap
- */
- typedef void KMap;
- #define VA(k) ((ulong)(k))
- #define kmap(p) (KMap*)((p)->pa|KZERO)
- #define kunmap(k)
- struct Mach
- {
- /* OFFSETS OF THE FOLLOWING KNOWN BY l.s */
- int machno; /* physical id of processor */
- ulong splpc; /* pc that called splhi() */
- Proc *proc; /* current process on this processor */
- /* ordering from here on irrelevant */
- 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 */
- int inclockintr;
- int cputype;
- ulong loopconst;
- Proc* readied; /* for runproc */
- ulong schedticks; /* next forced context switch */
- vlong cpuhz;
- ulong bushz;
- ulong dechz;
- ulong tbhz;
- uvlong cyclefreq; /* Frequency of user readable cycle counter */
- ulong pcclast;
- uvlong fastclock;
- Perf perf; /* performance counters */
- int tlbfault; /* only used by devproc; no access to tlb */
- int tlbpurge; /* ... */
- int pfault;
- int cs;
- int syscall;
- int load;
- int intr;
- int flushmmu; /* make current proc flush it's mmu state */
- int ilockdepth;
- ulong ptabbase; /* start of page table in kernel virtual space */
- int slotgen; /* next pte (byte offset) when pteg is full */
- int mmupid; /* next mmu pid to use */
- int sweepcolor;
- int trigcolor;
- Rendez sweepr;
- ulong spuriousintr;
- int lastintr;
- /* MUST BE LAST */
- int stack[1];
- };
- struct
- {
- Lock;
- short machs;
- short exiting;
- short ispanic;
- }active;
- /*
- * a parsed plan9.ini line
- */
- #define NISAOPT 8
- struct ISAConf {
- char *type;
- ulong port;
- int irq;
- ulong dma;
- ulong mem;
- ulong size;
- ulong freq;
- int nopt;
- char *opt[NISAOPT];
- };
- #define MACHP(n) ((Mach *)((int)&mach0+n*BY2PG))
- extern Mach mach0;
- extern register Mach *m;
- extern register Proc *up;
- extern FPsave initfp;
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