import xen 32 bit paravirtual kernel from /n/sources/xen.

1 files changed, 164 insertions, 0 deletions

diff --git a/sys/src/9/xen/fns.h b/sys/src/9/xen/fns.h
new file mode 100644
index 000000000..b6d0fc7a1
--- /dev/null
+++ b/sys/src/9/xen/fns.h
@@ -0,0 +1,164 @@
+#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);
+int		cistrcmp(char*, char*);
+int		cistrncmp(char*, char*, int);
+#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, ulong regs[]);
+int		cpuidentify(void);
+void	cpuidprint(void);
+void	(*cycles)(uvlong*);
+void	delay(int);
+#define	evenaddr(x)				/* x86 doesn't care */
+void	fpclear(void);
+void	fpenv(FPsave*);
+void	fpinit(void);
+void	fpoff(void);
+void	(*fprestore)(FPsave*);
+void	(*fpsave)(FPsave*);
+void	fpsserestore(FPsave*);
+void	fpsserestore0(FPsave*);
+void	fpssesave(FPsave*);
+void	fpssesave0(FPsave*);
+ulong	fpstatus(void);
+void	fpx87restore(FPsave*);
+void	fpx87save(FPsave*);
+ulong	getcr4(void);
+char*	getconf(char*);
+void	guesscpuhz(int);
+void	halt(void);
+void	mwait(void*);
+void	i8042reset(void);
+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*);
+int	ioalloc(int, int, int, char*);
+int	isaconfig(char*, int, ISAConf*);
+void	kbdenable(void);
+#define	kmapinval()
+void	lgdt(ushort[3]);					// XXX remove and in l.s
+void	lidt(ushort[3]);					// XXX remove and in l.s
+void	links(void);
+void	ltr(ulong);						// XXX remove?
+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);
+int	mtrr(uvlong, uvlong, char *);
+int	mtrrprint(char *, long);
+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);
+
+#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);