[GitHub/mt8127/android_kernel_alcatel_ttab.git] / arch / i386 / kernel / paravirt_32.c

/*  Paravirtualization interfaces
    Copyright (C) 2006 Rusty Russell IBM Corporation

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
*/
#include <linux/errno.h>
#include <linux/module.h>
#include <linux/efi.h>
#include <linux/bcd.h>
#include <linux/highmem.h>

#include <asm/bug.h>
#include <asm/paravirt.h>
#include <asm/desc.h>
#include <asm/setup.h>
#include <asm/arch_hooks.h>
#include <asm/time.h>
#include <asm/irq.h>
#include <asm/delay.h>
#include <asm/fixmap.h>
#include <asm/apic.h>
#include <asm/tlbflush.h>
#include <asm/timer.h>

/* nop stub */
void _paravirt_nop(void)
{
}

static void __init default_banner(void)
{
	printk(KERN_INFO "Booting paravirtualized kernel on %s\n",
	       paravirt_ops.name);
}

char *memory_setup(void)
{
	return paravirt_ops.memory_setup();
}

/* Simple instruction patching code. */
#define DEF_NATIVE(name, code)					\
	extern const char start_##name[], end_##name[];		\
	asm("start_" #name ": " code "; end_" #name ":")

DEF_NATIVE(irq_disable, "cli");
DEF_NATIVE(irq_enable, "sti");
DEF_NATIVE(restore_fl, "push %eax; popf");
DEF_NATIVE(save_fl, "pushf; pop %eax");
DEF_NATIVE(iret, "iret");
DEF_NATIVE(irq_enable_sysexit, "sti; sysexit");
DEF_NATIVE(read_cr2, "mov %cr2, %eax");
DEF_NATIVE(write_cr3, "mov %eax, %cr3");
DEF_NATIVE(read_cr3, "mov %cr3, %eax");
DEF_NATIVE(clts, "clts");
DEF_NATIVE(read_tsc, "rdtsc");

DEF_NATIVE(ud2a, "ud2a");

static unsigned native_patch(u8 type, u16 clobbers, void *ibuf,
			     unsigned long addr, unsigned len)
{
	const unsigned char *start, *end;
	unsigned ret;

	switch(type) {
#define SITE(x)	case PARAVIRT_PATCH(x):	start = start_##x; end = end_##x; goto patch_site
		SITE(irq_disable);
		SITE(irq_enable);
		SITE(restore_fl);
		SITE(save_fl);
		SITE(iret);
		SITE(irq_enable_sysexit);
		SITE(read_cr2);
		SITE(read_cr3);
		SITE(write_cr3);
		SITE(clts);
		SITE(read_tsc);
#undef SITE

	patch_site:
		ret = paravirt_patch_insns(ibuf, len, start, end);
		break;

	case PARAVIRT_PATCH(make_pgd):
	case PARAVIRT_PATCH(make_pte):
	case PARAVIRT_PATCH(pgd_val):
	case PARAVIRT_PATCH(pte_val):
#ifdef CONFIG_X86_PAE
	case PARAVIRT_PATCH(make_pmd):
	case PARAVIRT_PATCH(pmd_val):
#endif
		/* These functions end up returning exactly what
		   they're passed, in the same registers. */
		ret = paravirt_patch_nop();
		break;

	default:
		ret = paravirt_patch_default(type, clobbers, ibuf, addr, len);
		break;
	}

	return ret;
}

unsigned paravirt_patch_nop(void)
{
	return 0;
}

unsigned paravirt_patch_ignore(unsigned len)
{
	return len;
}

struct branch {
	unsigned char opcode;
	u32 delta;
} __attribute__((packed));

unsigned paravirt_patch_call(void *insnbuf,
			     const void *target, u16 tgt_clobbers,
			     unsigned long addr, u16 site_clobbers,
			     unsigned len)
{
	struct branch *b = insnbuf;
	unsigned long delta = (unsigned long)target - (addr+5);

	if (tgt_clobbers & ~site_clobbers)
		return len;	/* target would clobber too much for this site */
	if (len < 5)
		return len;	/* call too long for patch site */

	b->opcode = 0xe8; /* call */
	b->delta = delta;
	BUILD_BUG_ON(sizeof(*b) != 5);

	return 5;
}

unsigned paravirt_patch_jmp(const void *target, void *insnbuf,
			    unsigned long addr, unsigned len)
{
	struct branch *b = insnbuf;
	unsigned long delta = (unsigned long)target - (addr+5);

	if (len < 5)
		return len;	/* call too long for patch site */

	b->opcode = 0xe9;	/* jmp */
	b->delta = delta;

	return 5;
}

unsigned paravirt_patch_default(u8 type, u16 clobbers, void *insnbuf,
				unsigned long addr, unsigned len)
{
	void *opfunc = *((void **)&paravirt_ops + type);
	unsigned ret;

	if (opfunc == NULL)
		/* If there's no function, patch it with a ud2a (BUG) */
		ret = paravirt_patch_insns(insnbuf, len, start_ud2a, end_ud2a);
	else if (opfunc == paravirt_nop)
		/* If the operation is a nop, then nop the callsite */
		ret = paravirt_patch_nop();
	else if (type == PARAVIRT_PATCH(iret) ||
		 type == PARAVIRT_PATCH(irq_enable_sysexit))
		/* If operation requires a jmp, then jmp */
		ret = paravirt_patch_jmp(opfunc, insnbuf, addr, len);
	else
		/* Otherwise call the function; assume target could
		   clobber any caller-save reg */
		ret = paravirt_patch_call(insnbuf, opfunc, CLBR_ANY,
					  addr, clobbers, len);

	return ret;
}

unsigned paravirt_patch_insns(void *insnbuf, unsigned len,
			      const char *start, const char *end)
{
	unsigned insn_len = end - start;

	if (insn_len > len || start == NULL)
		insn_len = len;
	else
		memcpy(insnbuf, start, insn_len);

	return insn_len;
}

void init_IRQ(void)
{
	paravirt_ops.init_IRQ();
}

static void native_flush_tlb(void)
{
	__native_flush_tlb();
}

/*
 * Global pages have to be flushed a bit differently. Not a real
 * performance problem because this does not happen often.
 */
static void native_flush_tlb_global(void)
{
	__native_flush_tlb_global();
}

static void native_flush_tlb_single(unsigned long addr)
{
	__native_flush_tlb_single(addr);
}

/* These are in entry.S */
extern void native_iret(void);
extern void native_irq_enable_sysexit(void);

static int __init print_banner(void)
{
	paravirt_ops.banner();
	return 0;
}
core_initcall(print_banner);

static struct resource reserve_ioports = {
	.start = 0,
	.end = IO_SPACE_LIMIT,
	.name = "paravirt-ioport",
	.flags = IORESOURCE_IO | IORESOURCE_BUSY,
};

static struct resource reserve_iomem = {
	.start = 0,
	.end = -1,
	.name = "paravirt-iomem",
	.flags = IORESOURCE_MEM | IORESOURCE_BUSY,
};

/*
 * Reserve the whole legacy IO space to prevent any legacy drivers
 * from wasting time probing for their hardware.  This is a fairly
 * brute-force approach to disabling all non-virtual drivers.
 *
 * Note that this must be called very early to have any effect.
 */
int paravirt_disable_iospace(void)
{
	int ret;

	ret = request_resource(&ioport_resource, &reserve_ioports);
	if (ret == 0) {
		ret = request_resource(&iomem_resource, &reserve_iomem);
		if (ret)
			release_resource(&reserve_ioports);
	}

	return ret;
}

struct paravirt_ops paravirt_ops = {
	.name = "bare hardware",
	.paravirt_enabled = 0,
	.kernel_rpl = 0,
	.shared_kernel_pmd = 1,	/* Only used when CONFIG_X86_PAE is set */

 	.patch = native_patch,
	.banner = default_banner,
	.arch_setup = paravirt_nop,
	.memory_setup = machine_specific_memory_setup,
	.get_wallclock = native_get_wallclock,
	.set_wallclock = native_set_wallclock,
	.time_init = hpet_time_init,
	.init_IRQ = native_init_IRQ,

	.cpuid = native_cpuid,
	.get_debugreg = native_get_debugreg,
	.set_debugreg = native_set_debugreg,
	.clts = native_clts,
	.read_cr0 = native_read_cr0,
	.write_cr0 = native_write_cr0,
	.read_cr2 = native_read_cr2,
	.write_cr2 = native_write_cr2,
	.read_cr3 = native_read_cr3,
	.write_cr3 = native_write_cr3,
	.read_cr4 = native_read_cr4,
	.read_cr4_safe = native_read_cr4_safe,
	.write_cr4 = native_write_cr4,
	.save_fl = native_save_fl,
	.restore_fl = native_restore_fl,
	.irq_disable = native_irq_disable,
	.irq_enable = native_irq_enable,
	.safe_halt = native_safe_halt,
	.halt = native_halt,
	.wbinvd = native_wbinvd,
	.read_msr = native_read_msr_safe,
	.write_msr = native_write_msr_safe,
	.read_tsc = native_read_tsc,
	.read_pmc = native_read_pmc,
	.sched_clock = native_sched_clock,
	.get_cpu_khz = native_calculate_cpu_khz,
	.load_tr_desc = native_load_tr_desc,
	.set_ldt = native_set_ldt,
	.load_gdt = native_load_gdt,
	.load_idt = native_load_idt,
	.store_gdt = native_store_gdt,
	.store_idt = native_store_idt,
	.store_tr = native_store_tr,
	.load_tls = native_load_tls,
	.write_ldt_entry = write_dt_entry,
	.write_gdt_entry = write_dt_entry,
	.write_idt_entry = write_dt_entry,
	.load_esp0 = native_load_esp0,

	.set_iopl_mask = native_set_iopl_mask,
	.io_delay = native_io_delay,

#ifdef CONFIG_X86_LOCAL_APIC
	.apic_write = native_apic_write,
	.apic_write_atomic = native_apic_write_atomic,
	.apic_read = native_apic_read,
	.setup_boot_clock = setup_boot_APIC_clock,
	.setup_secondary_clock = setup_secondary_APIC_clock,
	.startup_ipi_hook = paravirt_nop,
#endif
	.set_lazy_mode = paravirt_nop,

	.pagetable_setup_start = native_pagetable_setup_start,
	.pagetable_setup_done = native_pagetable_setup_done,

	.flush_tlb_user = native_flush_tlb,
	.flush_tlb_kernel = native_flush_tlb_global,
	.flush_tlb_single = native_flush_tlb_single,
	.flush_tlb_others = native_flush_tlb_others,

	.alloc_pt = paravirt_nop,
	.alloc_pd = paravirt_nop,
	.alloc_pd_clone = paravirt_nop,
	.release_pt = paravirt_nop,
	.release_pd = paravirt_nop,

	.set_pte = native_set_pte,
	.set_pte_at = native_set_pte_at,
	.set_pmd = native_set_pmd,
	.pte_update = paravirt_nop,
	.pte_update_defer = paravirt_nop,

#ifdef CONFIG_HIGHPTE
	.kmap_atomic_pte = kmap_atomic,
#endif

#ifdef CONFIG_X86_PAE
	.set_pte_atomic = native_set_pte_atomic,
	.set_pte_present = native_set_pte_present,
	.set_pud = native_set_pud,
	.pte_clear = native_pte_clear,
	.pmd_clear = native_pmd_clear,

	.pmd_val = native_pmd_val,
	.make_pmd = native_make_pmd,
#endif

	.pte_val = native_pte_val,
	.pgd_val = native_pgd_val,

	.make_pte = native_make_pte,
	.make_pgd = native_make_pgd,

	.irq_enable_sysexit = native_irq_enable_sysexit,
	.iret = native_iret,

	.dup_mmap = paravirt_nop,
	.exit_mmap = paravirt_nop,
	.activate_mm = paravirt_nop,
};

EXPORT_SYMBOL(paravirt_ops);
Commit	Line	Data
d3561b7f RR	1	/* Paravirtualization interfaces
	2	Copyright (C) 2006 Rusty Russell IBM Corporation
	3
	4	This program is free software; you can redistribute it and/or modify
	5	it under the terms of the GNU General Public License as published by
	6	the Free Software Foundation; either version 2 of the License, or
	7	(at your option) any later version.
	8
	9	This program is distributed in the hope that it will be useful,
	10	but WITHOUT ANY WARRANTY; without even the implied warranty of
	11	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	12	GNU General Public License for more details.
	13
	14	You should have received a copy of the GNU General Public License
	15	along with this program; if not, write to the Free Software
	16	Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
	17	*/
	18	#include <linux/errno.h>
	19	#include <linux/module.h>
	20	#include <linux/efi.h>
	21	#include <linux/bcd.h>
ce6234b5	22	#include <linux/highmem.h>
d3561b7f RR	23
	24	#include <asm/bug.h>
	25	#include <asm/paravirt.h>
	26	#include <asm/desc.h>
	27	#include <asm/setup.h>
	28	#include <asm/arch_hooks.h>
	29	#include <asm/time.h>
	30	#include <asm/irq.h>
	31	#include <asm/delay.h>
13623d79 RR	32	#include <asm/fixmap.h>
13623d79 RR	33	#include <asm/apic.h>
da181a8b	34	#include <asm/tlbflush.h>
6cb9a835	35	#include <asm/timer.h>
d3561b7f RR	36
d3561b7f RR	37	/* nop stub */
45876233	38	void _paravirt_nop(void)
d3561b7f RR	39	{
	40	}
	41
	42	static void __init default_banner(void)
	43	{
	44	printk(KERN_INFO "Booting paravirtualized kernel on %s\n",
	45	paravirt_ops.name);
	46	}
	47
	48	char *memory_setup(void)
	49	{
	50	return paravirt_ops.memory_setup();
	51	}
	52
139ec7c4 RR	53	/* Simple instruction patching code. */
	54	#define DEF_NATIVE(name, code) \
	55	extern const char start_##name[], end_##name[]; \
	56	asm("start_" #name ": " code "; end_" #name ":")
63f70270 JF	57
	58	DEF_NATIVE(irq_disable, "cli");
	59	DEF_NATIVE(irq_enable, "sti");
	60	DEF_NATIVE(restore_fl, "push %eax; popf");
	61	DEF_NATIVE(save_fl, "pushf; pop %eax");
139ec7c4	62	DEF_NATIVE(iret, "iret");
63f70270 JF	63	DEF_NATIVE(irq_enable_sysexit, "sti; sysexit");
	64	DEF_NATIVE(read_cr2, "mov %cr2, %eax");
	65	DEF_NATIVE(write_cr3, "mov %eax, %cr3");
	66	DEF_NATIVE(read_cr3, "mov %cr3, %eax");
	67	DEF_NATIVE(clts, "clts");
	68	DEF_NATIVE(read_tsc, "rdtsc");
139ec7c4	69
63f70270	70	DEF_NATIVE(ud2a, "ud2a");
139ec7c4	71
ab144f5e AK	72	static unsigned native_patch(u8 type, u16 clobbers, void *ibuf,
ab144f5e AK	73	unsigned long addr, unsigned len)
139ec7c4	74	{
63f70270 JF	75	const unsigned char start, end;
	76	unsigned ret;
	77
	78	switch(type) {
	79	#define SITE(x) case PARAVIRT_PATCH(x): start = start_##x; end = end_##x; goto patch_site
	80	SITE(irq_disable);
	81	SITE(irq_enable);
	82	SITE(restore_fl);
	83	SITE(save_fl);
	84	SITE(iret);
	85	SITE(irq_enable_sysexit);
	86	SITE(read_cr2);
	87	SITE(read_cr3);
	88	SITE(write_cr3);
	89	SITE(clts);
	90	SITE(read_tsc);
	91	#undef SITE
	92
	93	patch_site:
ab144f5e	94	ret = paravirt_patch_insns(ibuf, len, start, end);
63f70270 JF	95	break;
	96
	97	case PARAVIRT_PATCH(make_pgd):
	98	case PARAVIRT_PATCH(make_pte):
	99	case PARAVIRT_PATCH(pgd_val):
	100	case PARAVIRT_PATCH(pte_val):
	101	#ifdef CONFIG_X86_PAE
	102	case PARAVIRT_PATCH(make_pmd):
	103	case PARAVIRT_PATCH(pmd_val):
	104	#endif
	105	/* These functions end up returning exactly what
	106	they're passed, in the same registers. */
	107	ret = paravirt_patch_nop();
	108	break;
	109
	110	default:
ab144f5e	111	ret = paravirt_patch_default(type, clobbers, ibuf, addr, len);
63f70270 JF	112	break;
	113	}
	114
	115	return ret;
	116	}
	117
	118	unsigned paravirt_patch_nop(void)
	119	{
	120	return 0;
	121	}
	122
	123	unsigned paravirt_patch_ignore(unsigned len)
	124	{
	125	return len;
	126	}
	127
19d36ccd AK	128	struct branch {
	129	unsigned char opcode;
	130	u32 delta;
	131	} __attribute__((packed));
	132
ab144f5e AK	133	unsigned paravirt_patch_call(void *insnbuf,
	134	const void *target, u16 tgt_clobbers,
	135	unsigned long addr, u16 site_clobbers,
63f70270 JF	136	unsigned len)
63f70270 JF	137	{
ab144f5e AK	138	struct branch *b = insnbuf;
ab144f5e AK	139	unsigned long delta = (unsigned long)target - (addr+5);
63f70270 JF	140
	141	if (tgt_clobbers & ~site_clobbers)
	142	return len; /* target would clobber too much for this site */
	143	if (len < 5)
	144	return len; /* call too long for patch site */
139ec7c4	145
ab144f5e AK	146	b->opcode = 0xe8; /* call */
	147	b->delta = delta;
	148	BUILD_BUG_ON(sizeof(*b) != 5);
139ec7c4	149
63f70270 JF	150	return 5;
	151	}
	152
ab144f5e AK	153	unsigned paravirt_patch_jmp(const void target, void insnbuf,
ab144f5e AK	154	unsigned long addr, unsigned len)
63f70270	155	{
ab144f5e AK	156	struct branch *b = insnbuf;
ab144f5e AK	157	unsigned long delta = (unsigned long)target - (addr+5);
63f70270 JF	158
	159	if (len < 5)
	160	return len; /* call too long for patch site */
	161
ab144f5e AK	162	b->opcode = 0xe9; /* jmp */
ab144f5e AK	163	b->delta = delta;
63f70270 JF	164
	165	return 5;
	166	}
	167
ab144f5e AK	168	unsigned paravirt_patch_default(u8 type, u16 clobbers, void *insnbuf,
ab144f5e AK	169	unsigned long addr, unsigned len)
63f70270 JF	170	{
	171	void opfunc = ((void **)&paravirt_ops + type);
	172	unsigned ret;
	173
	174	if (opfunc == NULL)
	175	/* If there's no function, patch it with a ud2a (BUG) */
ab144f5e	176	ret = paravirt_patch_insns(insnbuf, len, start_ud2a, end_ud2a);
63f70270 JF	177	else if (opfunc == paravirt_nop)
	178	/* If the operation is a nop, then nop the callsite */
	179	ret = paravirt_patch_nop();
	180	else if (type == PARAVIRT_PATCH(iret) \|\|
	181	type == PARAVIRT_PATCH(irq_enable_sysexit))
	182	/* If operation requires a jmp, then jmp */
ab144f5e	183	ret = paravirt_patch_jmp(opfunc, insnbuf, addr, len);
63f70270 JF	184	else
	185	/* Otherwise call the function; assume target could
	186	clobber any caller-save reg */
ab144f5e AK	187	ret = paravirt_patch_call(insnbuf, opfunc, CLBR_ANY,
ab144f5e AK	188	addr, clobbers, len);
63f70270 JF	189
	190	return ret;
	191	}
	192
ab144f5e	193	unsigned paravirt_patch_insns(void *insnbuf, unsigned len,
63f70270 JF	194	const char start, const char end)
	195	{
	196	unsigned insn_len = end - start;
139ec7c4	197
63f70270 JF	198	if (insn_len > len \|\| start == NULL)
	199	insn_len = len;
	200	else
ab144f5e	201	memcpy(insnbuf, start, insn_len);
139ec7c4	202
139ec7c4 RR	203	return insn_len;
	204	}
	205
d3561b7f RR	206	void init_IRQ(void)
	207	{
	208	paravirt_ops.init_IRQ();
	209	}
	210
1a1eecd1	211	static void native_flush_tlb(void)
da181a8b RR	212	{
	213	__native_flush_tlb();
	214	}
	215
	216	/*
	217	* Global pages have to be flushed a bit differently. Not a real
	218	* performance problem because this does not happen often.
	219	*/
1a1eecd1	220	static void native_flush_tlb_global(void)
da181a8b RR	221	{
	222	__native_flush_tlb_global();
	223	}
	224
63f70270	225	static void native_flush_tlb_single(unsigned long addr)
da181a8b RR	226	{
	227	__native_flush_tlb_single(addr);
	228	}
	229
d3561b7f	230	/* These are in entry.S */
1a1eecd1 AK	231	extern void native_iret(void);
1a1eecd1 AK	232	extern void native_irq_enable_sysexit(void);
d3561b7f RR	233
	234	static int __init print_banner(void)
	235	{
	236	paravirt_ops.banner();
	237	return 0;
	238	}
	239	core_initcall(print_banner);
	240
d572929c JF	241	static struct resource reserve_ioports = {
	242	.start = 0,
	243	.end = IO_SPACE_LIMIT,
	244	.name = "paravirt-ioport",
	245	.flags = IORESOURCE_IO \| IORESOURCE_BUSY,
	246	};
	247
	248	static struct resource reserve_iomem = {
	249	.start = 0,
	250	.end = -1,
	251	.name = "paravirt-iomem",
	252	.flags = IORESOURCE_MEM \| IORESOURCE_BUSY,
	253	};
	254
	255	/*
	256	* Reserve the whole legacy IO space to prevent any legacy drivers
	257	* from wasting time probing for their hardware. This is a fairly
	258	* brute-force approach to disabling all non-virtual drivers.
	259	*
	260	* Note that this must be called very early to have any effect.
	261	*/
	262	int paravirt_disable_iospace(void)
	263	{
	264	int ret;
	265
	266	ret = request_resource(&ioport_resource, &reserve_ioports);
	267	if (ret == 0) {
	268	ret = request_resource(&iomem_resource, &reserve_iomem);
	269	if (ret)
	270	release_resource(&reserve_ioports);
	271	}
	272
	273	return ret;
	274	}
	275
d3561b7f RR	276	struct paravirt_ops paravirt_ops = {
	277	.name = "bare hardware",
	278	.paravirt_enabled = 0,
	279	.kernel_rpl = 0,
5311ab62	280	.shared_kernel_pmd = 1, /* Only used when CONFIG_X86_PAE is set */
d3561b7f	281
139ec7c4	282	.patch = native_patch,
d3561b7f	283	.banner = default_banner,
45876233	284	.arch_setup = paravirt_nop,
d3561b7f RR	285	.memory_setup = machine_specific_memory_setup,
	286	.get_wallclock = native_get_wallclock,
	287	.set_wallclock = native_set_wallclock,
e30fab3a	288	.time_init = hpet_time_init,
d3561b7f RR	289	.init_IRQ = native_init_IRQ,
	290
	291	.cpuid = native_cpuid,
	292	.get_debugreg = native_get_debugreg,
	293	.set_debugreg = native_set_debugreg,
	294	.clts = native_clts,
	295	.read_cr0 = native_read_cr0,
	296	.write_cr0 = native_write_cr0,
	297	.read_cr2 = native_read_cr2,
	298	.write_cr2 = native_write_cr2,
	299	.read_cr3 = native_read_cr3,
	300	.write_cr3 = native_write_cr3,
	301	.read_cr4 = native_read_cr4,
	302	.read_cr4_safe = native_read_cr4_safe,
	303	.write_cr4 = native_write_cr4,
	304	.save_fl = native_save_fl,
	305	.restore_fl = native_restore_fl,
	306	.irq_disable = native_irq_disable,
	307	.irq_enable = native_irq_enable,
	308	.safe_halt = native_safe_halt,
	309	.halt = native_halt,
	310	.wbinvd = native_wbinvd,
90a0a06a RR	311	.read_msr = native_read_msr_safe,
90a0a06a RR	312	.write_msr = native_write_msr_safe,
d3561b7f RR	313	.read_tsc = native_read_tsc,
d3561b7f RR	314	.read_pmc = native_read_pmc,
688340ea	315	.sched_clock = native_sched_clock,
1182d852	316	.get_cpu_khz = native_calculate_cpu_khz,
d3561b7f RR	317	.load_tr_desc = native_load_tr_desc,
	318	.set_ldt = native_set_ldt,
	319	.load_gdt = native_load_gdt,
	320	.load_idt = native_load_idt,
	321	.store_gdt = native_store_gdt,
	322	.store_idt = native_store_idt,
	323	.store_tr = native_store_tr,
	324	.load_tls = native_load_tls,
90a0a06a RR	325	.write_ldt_entry = write_dt_entry,
	326	.write_gdt_entry = write_dt_entry,
	327	.write_idt_entry = write_dt_entry,
d3561b7f RR	328	.load_esp0 = native_load_esp0,
	329
	330	.set_iopl_mask = native_set_iopl_mask,
	331	.io_delay = native_io_delay,
d3561b7f	332
13623d79 RR	333	#ifdef CONFIG_X86_LOCAL_APIC
	334	.apic_write = native_apic_write,
	335	.apic_write_atomic = native_apic_write_atomic,
	336	.apic_read = native_apic_read,
bbab4f3b ZA	337	.setup_boot_clock = setup_boot_APIC_clock,
bbab4f3b ZA	338	.setup_secondary_clock = setup_secondary_APIC_clock,
0260c196	339	.startup_ipi_hook = paravirt_nop,
13623d79	340	#endif
45876233	341	.set_lazy_mode = paravirt_nop,
13623d79	342
b239fb25 JF	343	.pagetable_setup_start = native_pagetable_setup_start,
	344	.pagetable_setup_done = native_pagetable_setup_done,
	345
da181a8b RR	346	.flush_tlb_user = native_flush_tlb,
	347	.flush_tlb_kernel = native_flush_tlb_global,
	348	.flush_tlb_single = native_flush_tlb_single,
d4c10477	349	.flush_tlb_others = native_flush_tlb_others,
da181a8b	350
45876233 JF	351	.alloc_pt = paravirt_nop,
	352	.alloc_pd = paravirt_nop,
	353	.alloc_pd_clone = paravirt_nop,
	354	.release_pt = paravirt_nop,
	355	.release_pd = paravirt_nop,
c119ecce	356
da181a8b RR	357	.set_pte = native_set_pte,
	358	.set_pte_at = native_set_pte_at,
	359	.set_pmd = native_set_pmd,
45876233 JF	360	.pte_update = paravirt_nop,
45876233 JF	361	.pte_update_defer = paravirt_nop,
3dc494e8	362
ce6234b5 JF	363	#ifdef CONFIG_HIGHPTE
	364	.kmap_atomic_pte = kmap_atomic,
	365	#endif
	366
da181a8b RR	367	#ifdef CONFIG_X86_PAE
	368	.set_pte_atomic = native_set_pte_atomic,
	369	.set_pte_present = native_set_pte_present,
	370	.set_pud = native_set_pud,
	371	.pte_clear = native_pte_clear,
	372	.pmd_clear = native_pmd_clear,
3dc494e8 JF	373
	374	.pmd_val = native_pmd_val,
	375	.make_pmd = native_make_pmd,
da181a8b RR	376	#endif
da181a8b RR	377
3dc494e8 JF	378	.pte_val = native_pte_val,
	379	.pgd_val = native_pgd_val,
	380
	381	.make_pte = native_make_pte,
	382	.make_pgd = native_make_pgd,
	383
d3561b7f RR	384	.irq_enable_sysexit = native_irq_enable_sysexit,
d3561b7f RR	385	.iret = native_iret,
ae5da273	386
d6dd61c8 JF	387	.dup_mmap = paravirt_nop,
	388	.exit_mmap = paravirt_nop,
	389	.activate_mm = paravirt_nop,
d3561b7f	390	};
0dbe5a11	391
21564fd2	392	EXPORT_SYMBOL(paravirt_ops);