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