diff options
Diffstat (limited to 'arch/ia64/kernel/paravirt_patchlist.c')
-rw-r--r-- | arch/ia64/kernel/paravirt_patchlist.c | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/arch/ia64/kernel/paravirt_patchlist.c b/arch/ia64/kernel/paravirt_patchlist.c new file mode 100644 index 000000000000..b28082a95d45 --- /dev/null +++ b/arch/ia64/kernel/paravirt_patchlist.c | |||
@@ -0,0 +1,79 @@ | |||
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 | |||
30 | DECLARE(fsyscall); | ||
31 | DECLARE(brl_fsys_bubble_down); | ||
32 | DECLARE(vtop); | ||
33 | DECLARE(mckinley_e9); | ||
34 | |||
35 | extern 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 | |||
43 | struct 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 | |||
53 | unsigned long __init | ||
54 | paravirt_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 | |||
75 | void * __init | ||
76 | paravirt_get_gate_section(void) | ||
77 | { | ||
78 | return pv_patchdata.gate_section; | ||
79 | } | ||