ref: d8d47f14b5ed8f6d3f892761ed86c6ce2075c337
dir: /sys/src/9/alphapc/dat.h/
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; char machs[MAXMACH]; int exiting; }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;