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#include "../port/portfns.h"
Dirtab* addarchfile(char*, int, long(*)(Chan*,void*,long,vlong), long(*)(Chan*,void*,long,vlong));
void archinit(void);
void bootargs(ulong);
ulong cankaddr(ulong);
#define clearmmucache() /* x86 doesn't have one */
void clockintr(Ureg*, void*);
int (*cmpswap)(long*, long, long);
int cmpswap486(long*, long, long);
void (*coherence)(void);
void cpuid(int, int, ulong regs[]);
void fpuinit(void);
void fpuprocsetup(Proc*);
void fpuprocfork(Proc*);
void fpuprocsave(Proc*);
void fpuprocrestore(Proc*);
int cpuidentify(void);
void cpuidprint(void);
void (*cycles)(uvlong*);
void delay(int);
#define evenaddr(x) /* x86 doesn't care */
void fpclear(void);
void fpinit(void);
void fpoff(void);
void (*fprestore)(FPsave*);
void (*fpsave)(FPsave*);
ulong getcr4(void);
char* getconf(char*);
void halt(void);
void mwait(void*);
void i8042reset(void);
void i8253enable(void);
void i8253init(void);
void i8253link(void);
uvlong i8253read(uvlong*);
void i8253timerset(uvlong);
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);
void intrdisable(int, void (*)(Ureg *, void *), void*, int, char*);
void intrenable(int, void (*)(Ureg*, void*), void*, int, char*);
void ioinit(void);
int isaconfig(char*, int, ISAConf*);
void kbdenable(void);
#define kmapinval()
void links(void);
void mach0init(void);
void mathinit(void);
void mb386(void);
void mb586(void);
void mfence(void);
void mmuflushtlb(Page*);
void mmuinit(void);
ulong mmukmap(ulong, ulong, int);
int mmukmapsync(ulong);
#define mmunewpage(x)
ulong* mmuwalk(ulong*, ulong, int, int);
char* mtrr(uvlong, uvlong, char *);
int mtrrprint(char *, long);
void mtrrsync(void);
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);
void printcpufreq(void);
void procrestore(Proc*);
void procsave(Proc*);
void procsetup(Proc*);
void procfork(Proc*);
void putcr4(ulong);
int rdmsr(int, vlong*);
int screenprint(char*, ...); /* debugging */
void (*screenputs)(char*, int);
void touser(void*);
void trap(Ureg*);
void trapenable(int, void (*)(Ureg*, void*), void*, char*);
void trapinit(void);
int tas(void*);
#define userureg(ur) (((ur)->cs & 0xFFFF) == UESEL)
void vectortable(void);
int wrmsr(int, vlong);
uint xchgl(uint*, uint);
uint xchgw(ushort*, uint);
uint xchgb(uchar*, uint);
void rdrandbuf(void*, ulong);
#define waserror() (up->nerrlab++, setlabel(&up->errlab[up->nerrlab-1]))
#define KADDR(a) ((void*)((ulong)(a)|KZERO))
#define PADDR(a) ((ulong)(a)&~KZERO)
#define dcflush(a, b)
/* Xen functions */
#define rmb() coherence()
#define wmb() coherence()
void mb(void);
void hypervisor_callback(void), failsafe_callback(void);
void xenconsinit(void);
ulong mmumapframe(ulong, ulong);
void mmumapcpu0(void);
void dprint(char *, ...);
void xenupdate(ulong *ptr, ulong val);
void xenupdatema(ulong *ptr, uvlong val);
int xenpdptpin(ulong va);
int xenpgdpin(ulong va);
int xenptpin(ulong va);
void xenptunpin(ulong va);
void xenptswitch(ulong pa);
void xentlbflush(void);
int ffs(ulong);
void xengrantinit(void);
int xengrant(domid_t domid, ulong frame, int flags);
int xengrantend(int ref);
void acceptframe(int ref, void *va);
int donateframe(int domid, void *va);
int shareframe(int domid, void *va, int write);
void xenchannotify(int);
void xenupcall(Ureg*);
ulong xenwallclock(void);
int xenstore_read(char*, char*, int);
void xenstore_write(char*, char*);
void xenstore_setd(char *dir, char *node, int value);
int xenstore_gets(char *dir, char *node, char *buf, int buflen);
int xenchanalloc(int);
long HYPERVISOR_set_timer_op(uvlong timeout);
int HYPERVISOR_set_trap_table(trap_info_t *table);
int HYPERVISOR_mmu_update(mmu_update_t *req, int count, int *success_count, domid_t domid);
int HYPERVISOR_mmuext_op(struct mmuext_op *op, int count, int *scount, domid_t domid);
int HYPERVISOR_set_gdt(ulong *frame_list, int entries);
int HYPERVISOR_stack_switch(ulong ss, ulong esp);
int HYPERVISOR_set_callbacks(ulong evss, ulong evfunc, ulong fsss, ulong fsfunc);
int HYPERVISOR_fpu_taskswitch(void);
int HYPERVISOR_yield(void);
int HYPERVISOR_block(void);
int HYPERVISOR_shutdown(int);
int HYPERVISOR_multicall(void *call_list, int nr_calls);
int HYPERVISOR_event_channel_op(void *op);
int HYPERVISOR_xen_version(int cmd, void *arg);
int HYPERVISOR_console_io(int cmd, int count, char *str);
int HYPERVISOR_grant_table_op(int cmd, gnttab_setup_table_t *setup, int count);
int HYPERVISOR_memory_op(int cmd, struct xen_memory_reservation *arg);
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