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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 PCB PCB;
- typedef struct Pcidev Pcidev;
- typedef struct PMMU PMMU;
- typedef struct Proc Proc;
- typedef struct Sys Sys;
- typedef struct Ureg Ureg;
- typedef struct Vctl Vctl;
- typedef vlong Tval;
- #define MAXSYSARG 6 /* for mount(fd, mpt, flag, arg, srv) */
- /*
- * parameters for sysproc.c
- */
- #define AOUT_MAGIC L_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;
- ulong pid;
- ushort isilock;
- };
- struct Label
- {
- ulong sp;
- ulong pc;
- };
- /*
- * Proc.fpstate
- */
- enum
- {
- /* floating point states */
- FPinit,
- FPactive,
- FPinactive,
- /* bit or'd with the state */
- FPillegal= 0x100,
- };
- struct FPsave
- {
- long fpreg[2*32];
- long dummy; /* lower bits of FPCR, useless */
- long fpstatus;
- };
- struct Confmem
- {
- ulong base;
- ulong npage;
- ulong kbase;
- ulong klimit;
- };
- struct Conf
- {
- ulong nmach; /* processors */
- ulong nproc; /* processes */
- Confmem mem[2];
- 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
- */
- struct PMMU
- {
- Page *mmutop; /* 1st level table */
- Page *mmulvl2; /* 2nd level table */
- Page *mmufree; /* unused page table pages */
- Page *mmuused; /* used page table pages, except for mmustk */
- };
- /*
- * 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)
- /*
- * Process Control Block, used by PALcode
- */
- struct PCB {
- uvlong ksp;
- uvlong usp;
- uvlong ptbr;
- ulong asn;
- ulong pcc;
- uvlong unique;
- ulong fen;
- ulong dummy;
- uvlong rsrv1;
- uvlong rsrv2;
- };
- 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;
- Proc* readied; /* for runproc */
- ulong schedticks; /* next forced context switch */
- vlong cpuhz; /* hwrpb->cfreq */
- 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 spuriousintr;
- int lastintr;
- PCB;
- /* MUST BE LAST */
- int stack[1];
- };
- struct
- {
- Lock;
- short machs;
- short exiting;
- short ispanic;
- }active;
- /*
- * Implementation-dependant functions (outside of Alpha architecture proper).
- * Called PCArch because that's what mkdevc calls it (for the PC).
- */
- struct PCArch
- {
- char* id;
- int (*ident)(void);
- void (*coreinit)(void); /* set up core logic, PCI mappings etc */
- void (*corehello)(void); /* identify core logic to user */
- void (*coredetach)(void); /* restore core logic before return to console */
- void *(*pcicfg)(int, int); /* map and point to PCI cfg space */
- void *(*pcimem)(int, int); /* map and point to PCI memory space */
- int (*intrenable)(Vctl*);
- int (*intrvecno)(int);
- int (*intrdisable)(int);
- int (*_inb)(int);
- ushort (*_ins)(int);
- ulong (*_inl)(int);
- void (*_outb)(int, int);
- void (*_outs)(int, ushort);
- void (*_outl)(int, ulong);
- void (*_insb)(int, void*, int);
- void (*_inss)(int, void*, int);
- void (*_insl)(int, void*, int);
- void (*_outsb)(int, void*, int);
- void (*_outss)(int, void*, int);
- void (*_outsl)(int, void*, int);
- };
- /*
- * 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];
- };
- extern PCArch *arch;
- #define MACHP(n) ((Mach *)((int)&mach0+n*BY2PG))
- extern Mach mach0;
- extern register Mach *m;
- extern register Proc *up;
- /*
- * hardware info about a device
- */
- typedef struct {
- ulong port;
- int size;
- } Devport;
- struct DevConf
- {
- ulong intnum; /* interrupt number */
- char *type; /* card type, malloced */
- int nports; /* Number of ports */
- Devport *ports; /* The ports themselves */
- };
- extern FPsave initfp;
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