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#include "../port/portfns.h"
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void aamloop(int);
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void acpiscan(void (*func)(uchar *));
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Dirtab* addarchfile(char*, int, long(*)(Chan*,void*,long,vlong), long(*)(Chan*,void*,long,vlong));
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void archinit(void);
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void archrevert(void);
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int bios32call(BIOS32ci*, u16int[3]);
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int bios32ci(BIOS32si*, BIOS32ci*);
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void bios32close(BIOS32si*);
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BIOS32si* bios32open(char*);
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void bootargs(void*);
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ulong cankaddr(ulong);
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void cgapost(int);
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void clockintr(Ureg*, void*);
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int (*cmpswap)(long*, long, long);
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int cmpswap486(long*, long, long);
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void (*coherence)(void);
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void cpuid(int, ulong regs[]);
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int cpuidentify(void);
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void cpuidprint(void);
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void (*cycles)(uvlong*);
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void delay(int);
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int dmacount(int);
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int dmadone(int);
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void dmaend(int);
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int dmainit(int, int);
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long dmasetup(int, void*, long, int);
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void fpclear(void);
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void fpenv(FPsave*);
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void fpinit(void);
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void fpoff(void);
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void fpon(void);
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void (*fprestore)(FPsave*);
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void (*fpsave)(FPsave*);
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void fpsavealloc(void);
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void fpsserestore(FPsave*);
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void fpsserestore0(FPsave*);
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void fpssesave(FPsave*);
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void fpssesave0(FPsave*);
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ulong fpstatus(void);
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void fpx87restore(FPsave*);
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void fpx87save(FPsave*);
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ulong getcr0(void);
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ulong getcr2(void);
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ulong getcr3(void);
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ulong getcr4(void);
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char* getconf(char*);
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void guesscpuhz(int);
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void halt(void);
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int i8042auxcmd(int);
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int i8042auxcmds(uchar*, int);
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void i8042auxenable(void (*)(int, int));
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void i8042reset(void);
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void i8250console(void);
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void i8250config(char *);
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void* i8250alloc(int, int, int);
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void i8250mouse(char*, int (*)(Queue*, int), int);
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void i8250setmouseputc(char*, int (*)(Queue*, int));
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void i8253enable(void);
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void i8253init(void);
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void i8253link(void);
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uvlong i8253read(uvlong*);
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void i8253timerset(uvlong);
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int i8259disable(int);
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int i8259enable(Vctl*);
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void i8259init(void);
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int i8259isr(int);
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void i8259on(void);
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void i8259off(void);
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int i8259vecno(int);
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void idle(void);
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void idlehands(void);
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int inb(int);
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void insb(int, void*, int);
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ushort ins(int);
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void inss(int, void*, int);
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ulong inl(int);
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void insl(int, void*, int);
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int intrdisable(int, void (*)(Ureg *, void *), void*, int, char*);
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void intrenable(int, void (*)(Ureg*, void*), void*, int, char*);
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void introff(void);
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void intron(void);
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void invlpg(ulong);
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void iofree(int);
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void ioinit(void);
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int iounused(int, int);
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int ioalloc(int, int, int, char*);
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int ioreserve(int, int, int, char*);
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int iprint(char*, ...);
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int isaconfig(char*, int, ISAConf*);
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void* kaddr(ulong);
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void kbdenable(void);
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void kbdinit(void);
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#define kmapinval()
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void lgdt(ushort[3]);
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void lidt(ushort[3]);
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void links(void);
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void ltr(ulong);
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void mach0init(void);
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void mathinit(void);
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void mb386(void);
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void mb586(void);
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void meminit(void);
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void memorysummary(void);
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void mfence(void);
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#define mmuflushtlb(pdb) putcr3(pdb)
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void mmuinit(void);
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ulong* mmuwalk(ulong*, ulong, int, int);
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int mtrr(uvlong, uvlong, char *);
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void mtrrclock(void);
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int mtrrprint(char *, long);
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uchar nvramread(int);
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void nvramwrite(int, uchar);
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void outb(int, int);
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void outsb(int, void*, int);
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void outs(int, ushort);
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void outss(int, void*, int);
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void outl(int, ulong);
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void outsl(int, void*, int);
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ulong paddr(void*);
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ulong pcibarsize(Pcidev*, int);
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void pcibussize(Pcidev*, ulong*, ulong*);
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int pcicfgr8(Pcidev*, int);
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int pcicfgr16(Pcidev*, int);
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int pcicfgr32(Pcidev*, int);
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void pcicfgw8(Pcidev*, int, int);
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void pcicfgw16(Pcidev*, int, int);
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void pcicfgw32(Pcidev*, int, int);
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void pciclrbme(Pcidev*);
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void pciclrioe(Pcidev*);
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void pciclrmwi(Pcidev*);
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int pcigetpms(Pcidev*);
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void pcihinv(Pcidev*);
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uchar pciipin(Pcidev*, uchar);
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Pcidev* pcimatch(Pcidev*, int, int);
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Pcidev* pcimatchtbdf(int);
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void pcireset(void);
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int pciscan(int, Pcidev**);
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void pcisetbme(Pcidev*);
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void pcisetioe(Pcidev*);
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void pcisetmwi(Pcidev*);
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int pcisetpms(Pcidev*, int);
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void pcmcisread(PCMslot*);
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int pcmcistuple(int, int, int, void*, int);
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PCMmap* pcmmap(int, ulong, int, int);
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int pcmspecial(char*, ISAConf*);
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int (*_pcmspecial)(char *, ISAConf *);
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void pcmspecialclose(int);
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void (*_pcmspecialclose)(int);
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void pcmunmap(int, PCMmap*);
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int pdbmap(ulong*, ulong, ulong, int);
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void procrestore(Proc*);
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void procsave(Proc*);
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void procsetup(Proc*);
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void putcr0(ulong);
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void putcr3(ulong);
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void putcr4(ulong);
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void* rampage(void);
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void rdmsr(int, vlong*);
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void realmode(Ureg*);
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void screeninit(void);
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void (*screenputs)(char*, int);
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void* sigsearch(char*);
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void syncclock(void);
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void syscallfmt(int syscallno, ulong pc, va_list list);
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void sysretfmt(int syscallno, va_list list, long ret, uvlong start, uvlong stop);
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void* tmpmap(Page*);
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void tmpunmap(void*);
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void touser(void*);
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void trapenable(int, void (*)(Ureg*, void*), void*, char*);
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void trapinit(void);
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void trapinit0(void);
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int tas(void*);
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uvlong tscticks(uvlong*);
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ulong umbmalloc(ulong, int, int);
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void umbfree(ulong, int);
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ulong umbrwmalloc(ulong, int, int);
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void umbrwfree(ulong, int);
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ulong upaalloc(int, int);
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void upafree(ulong, int);
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void upareserve(ulong, int);
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#define userureg(ur) (((ur)->cs & 0xFFFF) == UESEL)
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void validalign(uintptr, unsigned);
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void vectortable(void);
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void* vmap(ulong, int);
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int vmapsync(ulong);
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void vunmap(void*, int);
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void wbinvd(void);
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void wrmsr(int, vlong);
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int xchgw(ushort*, int);
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#define PTR2UINT(p) ((uintptr)(p))
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#define UINT2PTR(i) ((void*)(i))
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#define waserror() (up->nerrlab++, setlabel(&up->errlab[up->nerrlab-1]))
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#define KADDR(a) kaddr(a)
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#define PADDR(a) paddr((void*)(a))
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#define dcflush(a, b)
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#define BIOSSEG(a) KADDR(((uint)(a))<<4)
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#define L16GET(p) (((p)[1]<<8)|(p)[0])
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#define L32GET(p) (((u32int)L16GET((p)+2)<<16)|L16GET(p))
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