diff options
Diffstat (limited to 'arch/x86/kernel/bios_uv.c')
-rw-r--r-- | arch/x86/kernel/bios_uv.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/arch/x86/kernel/bios_uv.c b/arch/x86/kernel/bios_uv.c new file mode 100644 index 000000000000..c639bd55391c --- /dev/null +++ b/arch/x86/kernel/bios_uv.c | |||
@@ -0,0 +1,48 @@ | |||
1 | /* | ||
2 | * BIOS run time interface routines. | ||
3 | * | ||
4 | * Copyright (c) 2008 Silicon Graphics, Inc. All Rights Reserved. | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or modify | ||
7 | * it under the terms of the GNU General Public License as published by | ||
8 | * the Free Software Foundation; either version 2 of the License, or | ||
9 | * (at your option) any later version. | ||
10 | * | ||
11 | * This program is distributed in the hope that it will be useful, | ||
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
14 | * GNU General Public License for more details. | ||
15 | * | ||
16 | * You should have received a copy of the GNU General Public License | ||
17 | * along with this program; if not, write to the Free Software | ||
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
19 | */ | ||
20 | |||
21 | #include <asm/uv/bios.h> | ||
22 | |||
23 | const char * | ||
24 | x86_bios_strerror(long status) | ||
25 | { | ||
26 | const char *str; | ||
27 | switch (status) { | ||
28 | case 0: str = "Call completed without error"; break; | ||
29 | case -1: str = "Not implemented"; break; | ||
30 | case -2: str = "Invalid argument"; break; | ||
31 | case -3: str = "Call completed with error"; break; | ||
32 | default: str = "Unknown BIOS status code"; break; | ||
33 | } | ||
34 | return str; | ||
35 | } | ||
36 | |||
37 | long | ||
38 | x86_bios_freq_base(unsigned long which, unsigned long *ticks_per_second, | ||
39 | unsigned long *drift_info) | ||
40 | { | ||
41 | struct uv_bios_retval isrv; | ||
42 | |||
43 | BIOS_CALL(isrv, BIOS_FREQ_BASE, which, 0, 0, 0, 0, 0, 0); | ||
44 | *ticks_per_second = isrv.v0; | ||
45 | *drift_info = isrv.v1; | ||
46 | return isrv.status; | ||
47 | } | ||
48 | EXPORT_SYMBOL_GPL(x86_bios_freq_base); | ||