blob: 0a70720662ed96a9a50b998ab231a348e569dcb0 [file] [log] [blame]
Isaku Yamahatae4ff5b82009-03-04 21:05:42 +09001/******************************************************************************
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>
Jes Sorensend186b862009-06-17 09:04:40 -070022#include <linux/init.h>
23#include <linux/kernel.h>
Isaku Yamahatae4ff5b82009-03-04 21:05:42 +090024#include <asm/paravirt.h>
25
26#define DECLARE(name) \
27 extern unsigned long \
28 __ia64_native_start_gate_##name##_patchlist[]; \
29 extern unsigned long \
30 __ia64_native_end_gate_##name##_patchlist[]
31
32DECLARE(fsyscall);
33DECLARE(brl_fsys_bubble_down);
34DECLARE(vtop);
35DECLARE(mckinley_e9);
36
37extern unsigned long __start_gate_section[];
38
39#define ASSIGN(name) \
40 .start_##name##_patchlist = \
41 (unsigned long)__ia64_native_start_gate_##name##_patchlist, \
42 .end_##name##_patchlist = \
43 (unsigned long)__ia64_native_end_gate_##name##_patchlist
44
45struct pv_patchdata pv_patchdata __initdata = {
46 ASSIGN(fsyscall),
47 ASSIGN(brl_fsys_bubble_down),
48 ASSIGN(vtop),
49 ASSIGN(mckinley_e9),
50
51 .gate_section = (void*)__start_gate_section,
52};
53
54
55unsigned long __init
56paravirt_get_gate_patchlist(enum pv_gate_patchlist type)
57{
58
59#define CASE(NAME, name) \
60 case PV_GATE_START_##NAME: \
61 return pv_patchdata.start_##name##_patchlist; \
62 case PV_GATE_END_##NAME: \
63 return pv_patchdata.end_##name##_patchlist; \
64
65 switch (type) {
66 CASE(FSYSCALL, fsyscall);
67 CASE(BRL_FSYS_BUBBLE_DOWN, brl_fsys_bubble_down);
68 CASE(VTOP, vtop);
69 CASE(MCKINLEY_E9, mckinley_e9);
70 default:
71 BUG();
72 break;
73 }
74 return 0;
75}
76
77void * __init
78paravirt_get_gate_section(void)
79{
80 return pv_patchdata.gate_section;
81}