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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 MMMU MMMU;
- typedef struct Mach Mach;
- typedef struct Notsave Notsave;
- typedef struct Page Page;
- typedef struct Pcidev Pcidev;
- typedef struct PhysUart PhysUart;
- typedef struct PFPU PFPU;
- typedef struct PMMU PMMU;
- typedef struct PNOTIFY PNOTIFY;
- typedef struct Proc Proc;
- typedef u32int PTE;
- typedef struct Uart Uart;
- typedef struct Ureg Ureg;
- typedef uvlong Tval;
- #pragma incomplete Pcidev
- #pragma incomplete Ureg
- #define MAXSYSARG 5 /* for mount(fd, mpt, flag, arg, srv) */
- /*
- * parameters for sysproc.c
- */
- #define AOUT_MAGIC (E_MAGIC)
- struct Lock
- {
- ulong key;
- u32int sr;
- uintptr pc;
- Proc* p;
- Mach* m;
- int isilock;
- };
- struct Label
- {
- uintptr sp;
- uintptr pc;
- };
- /*
- * emulated floating point
- */
- struct PFPU
- {
- ulong status;
- ulong control;
- ulong regs[8][3];
- int fpstate;
- };
- /*
- * PFPU.status
- */
- enum
- {
- FPinit,
- FPactive,
- FPinactive,
- };
- struct Confmem
- {
- uintptr base;
- usize npage;
- uintptr limit;
- uintptr kbase;
- uintptr klimit;
- };
- struct Conf
- {
- ulong nmach; /* processors */
- ulong nproc; /* processes */
- ulong monitor; /* has monitor? */
- Confmem mem[1]; /* physical memory */
- ulong npage; /* total physical pages of memory */
- usize upages; /* user page pool */
- ulong copymode; /* 0 is copy on write, 1 is copy on reference */
- ulong ialloc; /* max interrupt time allocation in bytes */
- ulong pipeqsize; /* size in bytes of pipe queues */
- ulong nimage; /* number of page cache image headers */
- ulong nswap; /* number of swap pages */
- int nswppo; /* max # of pageouts per segment pass */
- // ulong hz; /* processor cycle freq */
- // ulong mhz;
- };
- struct FPsave {
- int emptiness;
- };
- struct Notsave {
- int emptiness;
- };
- /*
- * MMU stuff in Mach.
- */
- struct MMMU
- {
- PTE* mmul1; /* l1 for this processor */
- int mmul1lo;
- int mmul1hi;
- int mmupid;
- };
- /*
- * MMU stuff in proc
- */
- #define NCOLOR 1 /* 1 level cache, don't worry about VCE's */
- struct PMMU
- {
- Page* mmul2;
- Page* mmul2cache; /* free mmu pages */
- PFPU; /* hack */
- };
- /*
- * things saved in the Proc structure during a notify
- */
- struct PNOTIFY
- {
- void emptiness;
- };
- #include "../port/portdat.h"
- struct Mach
- {
- int machno; /* physical id of processor */
- uintptr splpc; /* pc of last caller to splhi */
- Proc* proc; /* current process */
- MMMU;
- int flushmmu; /* flush current proc mmu state */
- 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 */
- int cputype;
- ulong delayloop;
- /* stats */
- int tlbfault;
- int tlbpurge;
- int pfault;
- int cs;
- int syscall;
- int load;
- int intr;
- vlong fastclock; /* last sampled value */
- uvlong inidle; /* time spent in idlehands() */
- ulong spuriousintr;
- int lastintr;
- int ilockdepth;
- Perf perf; /* performance counters */
- // int cpumhz;
- uvlong cpuhz; /* speed of cpu */
- uvlong cyclefreq; /* Frequency of user readable cycle counter */
- /* save areas for exceptions */
- u32int sfiq[5];
- u32int sirq[5];
- u32int sund[5];
- u32int sabt[5];
- #define fiqstack sfiq
- #define irqstack sirq
- #define abtstack sabt
- #define undstack sund
- int stack[1];
- };
- /*
- * Fake kmap.
- */
- typedef void KMap;
- #define VA(k) ((uintptr)(k))
- #define kmap(p) (KMap*)((p)->pa|kseg0)
- #define kunmap(k)
- struct
- {
- Lock;
- int machs; /* bitmap of active CPUs */
- int exiting; /* shutdown */
- int ispanic; /* shutdown in response to a panic */
- }active;
- enum {
- // Frequency = 1200*1000*1000/2, /* half the processor clock */
- Frequency = 1200*1000*1000, /* the processor clock */
- };
- extern register Mach* m; /* R10 */
- extern register Proc* up; /* R9 */
- extern uintptr kseg0;
- extern Mach* machaddr[MAXMACH];
- enum {
- Nvec = 8, /* # of vectors at start of lexception.s */
- };
- /*
- * Layout of physical 0.
- */
- typedef struct Vectorpage {
- void (*vectors[Nvec])(void);
- uint vtable[Nvec];
- } Vectorpage;
- /*
- * 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) (machaddr[n])
- /*
- * Horrid. But the alternative is 'defined'.
- */
- #ifdef _DBGC_
- #define DBGFLG (dbgflg[_DBGC_])
- #else
- #define DBGFLG (0)
- #endif /* _DBGC_ */
- int vflag;
- extern char dbgflg[256];
- #define dbgprint print /* for now */
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