152 lines
2.8 KiB
C
152 lines
2.8 KiB
C
typedef struct Lock Lock;
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typedef struct Label Label;
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typedef struct Ureg Ureg;
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typedef struct Mach Mach;
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typedef struct FPsave FPsave;
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typedef struct Notsave Notsave;
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typedef struct PMMU PMMU;
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typedef struct Confmem Confmem;
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typedef struct Conf Conf;
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typedef struct Proc Proc;
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typedef struct ISAConf ISAConf;
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typedef uvlong Tval;
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typedef void KMap;
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#define VA(k) ((uintptr)(k))
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#define kmap(p) (KMap*)((p)->pa|kseg0)
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#define kunmap(k)
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#pragma incomplete Ureg
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struct Lock
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{
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ulong key;
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u32int sr;
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uintptr pc;
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Proc* p;
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Mach* m;
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int isilock;
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};
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struct Label
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{
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ulong sp;
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ulong pc;
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};
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struct FPsave
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{
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ulong status;
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ulong control;
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ulong regs[8][3];
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int fpstate;
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};
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enum
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{
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FPinit,
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FPactive,
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FPinactive,
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};
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struct Notsave
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{
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int emptiness;
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};
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struct PMMU
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{
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ulong l1[USTKTOP / MiB];
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};
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#include "../port/portdat.h"
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struct Mach
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{
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int machno; /* physical id of processor */
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uintptr splpc; /* pc of last caller to splhi */
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Proc* proc; /* current process */
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Proc* externup;
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int flushmmu; /* flush current proc mmu state */
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ulong ticks; /* of the clock since boot time */
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Label sched; /* scheduler wakeup */
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Lock alarmlock; /* access to alarm list */
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void* alarm; /* alarms bound to this clock */
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int inclockintr;
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Proc* readied; /* for runproc */
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ulong schedticks; /* next forced context switch */
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int cputype;
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ulong delayloop;
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/* stats */
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int tlbfault;
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int tlbpurge;
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int pfault;
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int cs;
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int syscall;
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int load;
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int intr;
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uvlong fastclock; /* last sampled value */
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uvlong inidle; /* time spent in idlehands() */
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ulong spuriousintr;
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int lastintr;
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int ilockdepth;
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Perf perf;
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uvlong cyclefreq; /* Frequency of user readable cycle counter */
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};
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struct Confmem
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{
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uintptr base;
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usize npage;
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uintptr limit;
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uintptr kbase;
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uintptr klimit;
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};
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struct Conf
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{
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ulong nmach; /* processors */
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ulong nproc; /* processes */
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Confmem mem[1]; /* physical memory */
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ulong npage; /* total physical pages of memory */
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usize upages; /* user page pool */
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ulong copymode; /* 0 is copy on write, 1 is copy on reference */
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ulong ialloc; /* max interrupt time allocation in bytes */
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ulong pipeqsize; /* size in bytes of pipe queues */
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ulong nimage; /* number of page cache image headers */
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ulong nswap; /* number of swap pages */
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int nswppo; /* max # of pageouts per segment pass */
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ulong hz; /* processor cycle freq */
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ulong mhz;
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int monitor; /* flag */
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};
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struct
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{
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Lock;
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int machs; /* bitmap of active CPUs */
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int exiting; /* shutdown */
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int ispanic; /* shutdown in response to a panic */
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}active;
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extern Mach *m;
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#define up (((Mach*)MACHADDR)->externup)
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extern Mach* machaddr[MAXMACH];
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#define MACHP(n) (machaddr[n])
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extern uintptr kseg0;
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#define AOUT_MAGIC (E_MAGIC)
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#define NCOLOR 1
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struct ISAConf
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{
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char *type;
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ulong port, irq;
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};
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