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void aamloop(int);
Alarm* alarm(int, void (*)(Alarm*), void*);
void alarminit(void);
int bootp(int, char*);
void cancel(Alarm*);
void checkalarms(void);
void clockinit(void);
void consinit(void);
void delay(int);
uchar* etheraddr(int);
int etherinit(void);
int etherrxpkt(int, Etherpkt*, int);
int ethertxpkt(int, Etherpkt*, int, int);
int flashboot(int);
int flashbootable(int);
char* flashconfig(int);
int flashinit(void);
char* getconf(char*);
int getcfields(char*, char**, int, char*);
int getstr(char*, char*, int, char*);
int hardinit(void);
long hardread(int, void*, long);
long hardseek(int, long);
long hardwrite(int, void*, long);
void* ialloc(ulong, int);
void idle(void);
int isaconfig(char*, int, ISAConf*);
int isgzipped(uchar*);
int issqueezed(uchar*);
void kbdinit(void);
void kbdchar(Queue*, int);
void machinit(void);
void meminit(void);
void microdelay(int);
void mmuinit(void);
uchar nvramread(int);
void outb(int, int);
void outs(int, ushort);
void outl(int, ulong);
void outsb(int, void*, int);
void outss(int, void*, int);
void outsl(int, void*, int);
void panic(char*, ...);
int optionsw(void);
int plan9boot(int, long (*)(int, long), long (*)(int, void*, long));
Partition* setflashpart(int, char*);
Partition* sethardpart(int, char*);
Partition* setscsipart(int, char*);
void setvec(int, void (*)(Ureg*, void*), void*);
void screeninit(void);
void screenputs(char*, int);
void setr13(int, void*);
int splhi(void);
int spllo(void);
void splx(int);
void trapinit(void);
void uartspecial(int, int, Queue**, Queue**, void(*)(Queue*,int));
void uartputs(char*, int);
void uartwait(void);
long unsqueezef(Block*, ulong*);
#define GSHORT(p) (((p)[1]<<8)|(p)[0])
#define GLONG(p) ((GSHORT(p+2)<<16)|GSHORT(p))
#define GLSHORT(p) (((p)[0]<<8)|(p)[1])
#define GLLONG(p) ((GLSHORT(p)<<16)|GLSHORT(p+2))
#define KADDR(a) ((void*)((ulong)(a)|KZERO))
#define PADDR(a) ((ulong)(a)&~KZERO)
void mapinit(RMap*, Map*, int);
void mapfree(RMap*, ulong, int);
ulong mapalloc(RMap*, ulong, int, int);
/* IBM bit field order */
#define IBFEXT(v,a,b) (((ulong)(v)>>(32-(b)-1)) & ~(~0L<<(((b)-(a)+1))))
#define IBIT(b) ((ulong)1<<(31-(b)))
#define SIBIT(n) ((ushort)1<<(15-(n)))
void* malloc(ulong);
void free(void*);
extern Block* iallocb(int);
extern void freeb(Block*);
extern Queue* qopen(int, int, void (*)(void*), void*);
extern Block* qget(Queue*);
extern void qbwrite(Queue*, Block*);
extern long qlen(Queue*);
#define qpass qbwrite
extern void qbputc(Queue*, int);
extern int qbgetc(Queue*);
int sio_inb(int);
void sio_outb(int, int);
void led(int);
extern void _virqcall(void);
extern void _vfiqcall(void);
extern void _vundcall(void);
extern void _vsvccall(void);
extern void _vpabcall(void);
extern void _vdabcall(void);
void flushIcache(void);
void writeBackDC(void);
void flushDcache(void);
void flushIcache(void);
void drainWBuffer(void);
void pumainit(void);
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