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-rw-r--r--arch/ia64/kernel/paravirt_patchlist.c79
1 files changed, 79 insertions, 0 deletions
diff --git a/arch/ia64/kernel/paravirt_patchlist.c b/arch/ia64/kernel/paravirt_patchlist.c
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1/******************************************************************************
2 * Copyright (c) 2008 Isaku Yamahata <yamahata at valinux co jp>
3 * VA Linux Systems Japan K.K.
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 *
19 */
20
21#include <linux/bug.h>
22#include <asm/paravirt.h>
23
24#define DECLARE(name) \
25 extern unsigned long \
26 __ia64_native_start_gate_##name##_patchlist[]; \
27 extern unsigned long \
28 __ia64_native_end_gate_##name##_patchlist[]
29
30DECLARE(fsyscall);
31DECLARE(brl_fsys_bubble_down);
32DECLARE(vtop);
33DECLARE(mckinley_e9);
34
35extern unsigned long __start_gate_section[];
36
37#define ASSIGN(name) \
38 .start_##name##_patchlist = \
39 (unsigned long)__ia64_native_start_gate_##name##_patchlist, \
40 .end_##name##_patchlist = \
41 (unsigned long)__ia64_native_end_gate_##name##_patchlist
42
43struct pv_patchdata pv_patchdata __initdata = {
44 ASSIGN(fsyscall),
45 ASSIGN(brl_fsys_bubble_down),
46 ASSIGN(vtop),
47 ASSIGN(mckinley_e9),
48
49 .gate_section = (void*)__start_gate_section,
50};
51
52
53unsigned long __init
54paravirt_get_gate_patchlist(enum pv_gate_patchlist type)
55{
56
57#define CASE(NAME, name) \
58 case PV_GATE_START_##NAME: \
59 return pv_patchdata.start_##name##_patchlist; \
60 case PV_GATE_END_##NAME: \
61 return pv_patchdata.end_##name##_patchlist; \
62
63 switch (type) {
64 CASE(FSYSCALL, fsyscall);
65 CASE(BRL_FSYS_BUBBLE_DOWN, brl_fsys_bubble_down);
66 CASE(VTOP, vtop);
67 CASE(MCKINLEY_E9, mckinley_e9);
68 default:
69 BUG();
70 break;
71 }
72 return 0;
73}
74
75void * __init
76paravirt_get_gate_section(void)
77{
78 return pv_patchdata.gate_section;
79}