1 files changed, 0 insertions, 514 deletions

diff --git a/arch/ia64/kernel/paravirt_patch.c b/arch/ia64/kernel/paravirt_patch.c
deleted file mode 100644
index bfdfef1..0000000
--- a/arch/ia64/kernel/paravirt_patch.c
+++ /dev/null
@@ -1,514 +0,0 @@
-/******************************************************************************
- * linux/arch/ia64/xen/paravirt_patch.c
- *
- * Copyright (c) 2008 Isaku Yamahata <yamahata at valinux co jp>
- *                    VA Linux Systems Japan K.K.
- *
- * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- *
- */
-
-#include <linux/init.h>
-#include <asm/intrinsics.h>
-#include <asm/kprobes.h>
-#include <asm/paravirt.h>
-#include <asm/paravirt_patch.h>
-
-typedef union ia64_inst {
-        struct {
-		unsigned long long qp : 6;
-		unsigned long long : 31;
-		unsigned long long opcode : 4;
-		unsigned long long reserved : 23;
-        } generic;
-        unsigned long long l;
-} ia64_inst_t;
-
-/*
- * flush_icache_range() can't be used here.
- * we are here before cpu_init() which initializes
- * ia64_i_cache_stride_shift. flush_icache_range() uses it.
- */
-void __init_or_module
-paravirt_flush_i_cache_range(const void *instr, unsigned long size)
-{
-	extern void paravirt_fc_i(const void *addr);
-	unsigned long i;
-
-	for (i = 0; i < size; i += sizeof(bundle_t))
-		paravirt_fc_i(instr + i);
-}
-
-bundle_t* __init_or_module
-paravirt_get_bundle(unsigned long tag)
-{
-	return (bundle_t *)(tag & ~3UL);
-}
-
-unsigned long __init_or_module
-paravirt_get_slot(unsigned long tag)
-{
-	return tag & 3UL;
-}
-
-unsigned long __init_or_module
-paravirt_get_num_inst(unsigned long stag, unsigned long etag)
-{
-	bundle_t *sbundle = paravirt_get_bundle(stag);
-	unsigned long sslot = paravirt_get_slot(stag);
-	bundle_t *ebundle = paravirt_get_bundle(etag);
-	unsigned long eslot = paravirt_get_slot(etag);
-
-	return (ebundle - sbundle) * 3 + eslot - sslot + 1;
-}
-
-unsigned long __init_or_module
-paravirt_get_next_tag(unsigned long tag)
-{
-	unsigned long slot = paravirt_get_slot(tag);
-
-	switch (slot) {
-	case 0:
-	case 1:
-		return tag + 1;
-	case 2: {
-		bundle_t *bundle = paravirt_get_bundle(tag);
-		return (unsigned long)(bundle + 1);
-	}
-	default:
-		BUG();
-	}
-	/* NOTREACHED */
-}
-
-ia64_inst_t __init_or_module
-paravirt_read_slot0(const bundle_t *bundle)
-{
-	ia64_inst_t inst;
-	inst.l = bundle->quad0.slot0;
-	return inst;
-}
-
-ia64_inst_t __init_or_module
-paravirt_read_slot1(const bundle_t *bundle)
-{
-	ia64_inst_t inst;
-	inst.l = bundle->quad0.slot1_p0 |
-		((unsigned long long)bundle->quad1.slot1_p1 << 18UL);
-	return inst;
-}
-
-ia64_inst_t __init_or_module
-paravirt_read_slot2(const bundle_t *bundle)
-{
-	ia64_inst_t inst;
-	inst.l = bundle->quad1.slot2;
-	return inst;
-}
-
-ia64_inst_t __init_or_module
-paravirt_read_inst(unsigned long tag)
-{
-	bundle_t *bundle = paravirt_get_bundle(tag);
-	unsigned long slot = paravirt_get_slot(tag);
-
-	switch (slot) {
-	case 0:
-		return paravirt_read_slot0(bundle);
-	case 1:
-		return paravirt_read_slot1(bundle);
-	case 2:
-		return paravirt_read_slot2(bundle);
-	default:
-		BUG();
-	}
-	/* NOTREACHED */
-}
-
-void __init_or_module
-paravirt_write_slot0(bundle_t *bundle, ia64_inst_t inst)
-{
-	bundle->quad0.slot0 = inst.l;
-}
-
-void __init_or_module
-paravirt_write_slot1(bundle_t *bundle, ia64_inst_t inst)
-{
-	bundle->quad0.slot1_p0 = inst.l;
-	bundle->quad1.slot1_p1 = inst.l >> 18UL;
-}
-
-void __init_or_module
-paravirt_write_slot2(bundle_t *bundle, ia64_inst_t inst)
-{
-	bundle->quad1.slot2 = inst.l;
-}
-
-void __init_or_module
-paravirt_write_inst(unsigned long tag, ia64_inst_t inst)
-{
-	bundle_t *bundle = paravirt_get_bundle(tag);
-	unsigned long slot = paravirt_get_slot(tag);
-
-	switch (slot) {
-	case 0:
-		paravirt_write_slot0(bundle, inst);
-		break;
-	case 1:
-		paravirt_write_slot1(bundle, inst);
-		break;
-	case 2:
-		paravirt_write_slot2(bundle, inst);
-		break;
-	default:
-		BUG();
-		break;
-	}
-	paravirt_flush_i_cache_range(bundle, sizeof(*bundle));
-}
-
-/* for debug */
-void
-paravirt_print_bundle(const bundle_t *bundle)
-{
-	const unsigned long *quad = (const unsigned long *)bundle;
-	ia64_inst_t slot0 = paravirt_read_slot0(bundle);
-	ia64_inst_t slot1 = paravirt_read_slot1(bundle);
-	ia64_inst_t slot2 = paravirt_read_slot2(bundle);
-
-	printk(KERN_DEBUG
-	       "bundle 0x%p 0x%016lx 0x%016lx\n", bundle, quad[0], quad[1]);
-	printk(KERN_DEBUG
-	       "bundle template 0x%x\n",
-	       bundle->quad0.template);
-	printk(KERN_DEBUG
-	       "slot0 0x%lx slot1_p0 0x%lx slot1_p1 0x%lx slot2 0x%lx\n",
-	       (unsigned long)bundle->quad0.slot0,
-	       (unsigned long)bundle->quad0.slot1_p0,
-	       (unsigned long)bundle->quad1.slot1_p1,
-	       (unsigned long)bundle->quad1.slot2);
-	printk(KERN_DEBUG
-	       "slot0 0x%016llx slot1 0x%016llx slot2 0x%016llx\n",
-	       slot0.l, slot1.l, slot2.l);
-}
-
-static int noreplace_paravirt __init_or_module = 0;
-
-static int __init setup_noreplace_paravirt(char *str)
-{
-	noreplace_paravirt = 1;
-	return 1;
-}
-__setup("noreplace-paravirt", setup_noreplace_paravirt);
-
-#ifdef ASM_SUPPORTED
-static void __init_or_module
-fill_nop_bundle(void *sbundle, void *ebundle)
-{
-	extern const char paravirt_nop_bundle[];
-	extern const unsigned long paravirt_nop_bundle_size;
-
-	void *bundle = sbundle;
-
-	BUG_ON((((unsigned long)sbundle) % sizeof(bundle_t)) != 0);
-	BUG_ON((((unsigned long)ebundle) % sizeof(bundle_t)) != 0);
-
-	while (bundle < ebundle) {
-		memcpy(bundle, paravirt_nop_bundle, paravirt_nop_bundle_size);
-
-		bundle += paravirt_nop_bundle_size;
-	}
-}
-
-/* helper function */
-unsigned long __init_or_module
-__paravirt_patch_apply_bundle(void *sbundle, void *ebundle, unsigned long type,
-			      const struct paravirt_patch_bundle_elem *elems,
-			      unsigned long nelems,
-			      const struct paravirt_patch_bundle_elem **found)
-{
-	unsigned long used = 0;
-	unsigned long i;
-
-	BUG_ON((((unsigned long)sbundle) % sizeof(bundle_t)) != 0);
-	BUG_ON((((unsigned long)ebundle) % sizeof(bundle_t)) != 0);
-
-	found = NULL;
-	for (i = 0; i < nelems; i++) {
-		const struct paravirt_patch_bundle_elem *p = &elems[i];
-		if (p->type == type) {
-			unsigned long need = p->ebundle - p->sbundle;
-			unsigned long room = ebundle - sbundle;
-
-			if (found != NULL)
-				*found = p;
-
-			if (room < need) {
-				/* no room to replace. skip it */
-				printk(KERN_DEBUG
-				       "the space is too small to put "
-				       "bundles. type %ld need %ld room %ld\n",
-				       type, need, room);
-				break;
-			}
-
-			used = need;
-			memcpy(sbundle, p->sbundle, used);
-			break;
-		}
-	}
-
-	return used;
-}
-
-void __init_or_module
-paravirt_patch_apply_bundle(const struct paravirt_patch_site_bundle *start,
-			    const struct paravirt_patch_site_bundle *end)
-{
-	const struct paravirt_patch_site_bundle *p;
-
-	if (noreplace_paravirt)
-		return;
-	if (pv_init_ops.patch_bundle == NULL)
-		return;
-
-	for (p = start; p < end; p++) {
-		unsigned long used;
-
-		used = (*pv_init_ops.patch_bundle)(p->sbundle, p->ebundle,
-						   p->type);
-		if (used == 0)
-			continue;
-
-		fill_nop_bundle(p->sbundle + used, p->ebundle);
-		paravirt_flush_i_cache_range(p->sbundle,
-					     p->ebundle - p->sbundle);
-	}
-	ia64_sync_i();
-	ia64_srlz_i();
-}
-
-/*
- * nop.i, nop.m, nop.f instruction are same format.
- * but nop.b has differennt format.
- * This doesn't support nop.b for now.
- */
-static void __init_or_module
-fill_nop_inst(unsigned long stag, unsigned long etag)
-{
-	extern const bundle_t paravirt_nop_mfi_inst_bundle[];
-	unsigned long tag;
-	const ia64_inst_t nop_inst =
-		paravirt_read_slot0(paravirt_nop_mfi_inst_bundle);
-
-	for (tag = stag; tag < etag; tag = paravirt_get_next_tag(tag))
-		paravirt_write_inst(tag, nop_inst);
-}
-
-void __init_or_module
-paravirt_patch_apply_inst(const struct paravirt_patch_site_inst *start,
-			  const struct paravirt_patch_site_inst *end)
-{
-	const struct paravirt_patch_site_inst *p;
-
-	if (noreplace_paravirt)
-		return;
-	if (pv_init_ops.patch_inst == NULL)
-		return;
-
-	for (p = start; p < end; p++) {
-		unsigned long tag;
-		bundle_t *sbundle;
-		bundle_t *ebundle;
-
-		tag = (*pv_init_ops.patch_inst)(p->stag, p->etag, p->type);
-		if (tag == p->stag)
-			continue;
-
-		fill_nop_inst(tag, p->etag);
-		sbundle = paravirt_get_bundle(p->stag);
-		ebundle = paravirt_get_bundle(p->etag) + 1;
-		paravirt_flush_i_cache_range(sbundle, (ebundle - sbundle) *
-					     sizeof(bundle_t));
-	}
-	ia64_sync_i();
-	ia64_srlz_i();
-}
-#endif /* ASM_SUPPOTED */
-
-/* brl.cond.sptk.many <target64> X3 */
-typedef union inst_x3_op {
-	ia64_inst_t inst;
-	struct {
-		unsigned long qp: 6;
-		unsigned long btyp: 3;
-		unsigned long unused: 3;
-		unsigned long p: 1;
-		unsigned long imm20b: 20;
-		unsigned long wh: 2;
-		unsigned long d: 1;
-		unsigned long i: 1;
-		unsigned long opcode: 4;
-	};
-	unsigned long l;
-} inst_x3_op_t;
-
-typedef union inst_x3_imm {
-	ia64_inst_t inst;
-	struct {
-		unsigned long unused: 2;
-		unsigned long imm39: 39;
-	};
-	unsigned long l;
-} inst_x3_imm_t;
-
-void __init_or_module
-paravirt_patch_reloc_brl(unsigned long tag, const void *target)
-{
-	unsigned long tag_op = paravirt_get_next_tag(tag);
-	unsigned long tag_imm = tag;
-	bundle_t *bundle = paravirt_get_bundle(tag);
-
-	ia64_inst_t inst_op = paravirt_read_inst(tag_op);
-	ia64_inst_t inst_imm = paravirt_read_inst(tag_imm);
-
-	inst_x3_op_t inst_x3_op = { .l = inst_op.l };
-	inst_x3_imm_t inst_x3_imm = { .l = inst_imm.l };
-
-	unsigned long imm60 =
-		((unsigned long)target - (unsigned long)bundle) >> 4;
-
-	BUG_ON(paravirt_get_slot(tag) != 1); /* MLX */
-	BUG_ON(((unsigned long)target & (sizeof(bundle_t) - 1)) != 0);
-
-	/* imm60[59] 1bit */
-	inst_x3_op.i = (imm60 >> 59) & 1;
-	/* imm60[19:0] 20bit */
-	inst_x3_op.imm20b = imm60 & ((1UL << 20) - 1);
-	/* imm60[58:20] 39bit */
-	inst_x3_imm.imm39 = (imm60 >> 20) & ((1UL << 39) - 1);
-
-	inst_op.l = inst_x3_op.l;
-	inst_imm.l = inst_x3_imm.l;
-
-	paravirt_write_inst(tag_op, inst_op);
-	paravirt_write_inst(tag_imm, inst_imm);
-}
-
-/* br.cond.sptk.many <target25>	B1 */
-typedef union inst_b1 {
-	ia64_inst_t inst;
-	struct {
-		unsigned long qp: 6;
-		unsigned long btype: 3;
-		unsigned long unused: 3;
-		unsigned long p: 1;
-		unsigned long imm20b: 20;
-		unsigned long wh: 2;
-		unsigned long d: 1;
-		unsigned long s: 1;
-		unsigned long opcode: 4;
-	};
-	unsigned long l;
-} inst_b1_t;
-
-void __init
-paravirt_patch_reloc_br(unsigned long tag, const void *target)
-{
-	bundle_t *bundle = paravirt_get_bundle(tag);
-	ia64_inst_t inst = paravirt_read_inst(tag);
-	unsigned long target25 = (unsigned long)target - (unsigned long)bundle;
-	inst_b1_t inst_b1;
-
-	BUG_ON(((unsigned long)target & (sizeof(bundle_t) - 1)) != 0);
-
-	inst_b1.l = inst.l;
-	if (target25 & (1UL << 63))
-		inst_b1.s = 1;
-	else
-		inst_b1.s = 0;
-
-	inst_b1.imm20b = target25 >> 4;
-	inst.l = inst_b1.l;
-
-	paravirt_write_inst(tag, inst);
-}
-
-void __init
-__paravirt_patch_apply_branch(
-	unsigned long tag, unsigned long type,
-	const struct paravirt_patch_branch_target *entries,
-	unsigned int nr_entries)
-{
-	unsigned int i;
-	for (i = 0; i < nr_entries; i++) {
-		if (entries[i].type == type) {
-			paravirt_patch_reloc_br(tag, entries[i].entry);
-			break;
-		}
-	}
-}
-
-static void __init
-paravirt_patch_apply_branch(const struct paravirt_patch_site_branch *start,
-			    const struct paravirt_patch_site_branch *end)
-{
-	const struct paravirt_patch_site_branch *p;
-
-	if (noreplace_paravirt)
-		return;
-	if (pv_init_ops.patch_branch == NULL)
-		return;
-
-	for (p = start; p < end; p++)
-		(*pv_init_ops.patch_branch)(p->tag, p->type);
-
-	ia64_sync_i();
-	ia64_srlz_i();
-}
-
-void __init
-paravirt_patch_apply(void)
-{
-	extern const char __start_paravirt_bundles[];
-	extern const char __stop_paravirt_bundles[];
-	extern const char __start_paravirt_insts[];
-	extern const char __stop_paravirt_insts[];
-	extern const char __start_paravirt_branches[];
-	extern const char __stop_paravirt_branches[];
-
-	paravirt_patch_apply_bundle((const struct paravirt_patch_site_bundle *)
-				    __start_paravirt_bundles,
-				    (const struct paravirt_patch_site_bundle *)
-				    __stop_paravirt_bundles);
-	paravirt_patch_apply_inst((const struct paravirt_patch_site_inst *)
-				  __start_paravirt_insts,
-				  (const struct paravirt_patch_site_inst *)
-				  __stop_paravirt_insts);
-	paravirt_patch_apply_branch((const struct paravirt_patch_site_branch *)
-				    __start_paravirt_branches,
-				    (const struct paravirt_patch_site_branch *)
-				    __stop_paravirt_branches);
-}
-
-/*
- * Local variables:
- * mode: C
- * c-set-style: "linux"
- * c-basic-offset: 8
- * tab-width: 8
- * indent-tabs-mode: t
- * End:
- */