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authorLinus Torvalds <torvalds@linux-foundation.org>2008-07-21 10:34:25 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-21 10:34:25 -0700
commit72a73693aac5ae82850cedc69fa5d264ca977c13 (patch)
tree80ab4bad93a2204ff264c0b07b63449a91410585 /arch/x86/kernel/bios_uv.c
parentb7e6f62fe259187f2578d00960ef1b0e6ff6afd5 (diff)
parent2e2dcc7631e331cf2e8396ce452e7f01e35f1182 (diff)
Merge branch 'x86/for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86/for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (160 commits) x86: remove extra calling to get ext cpuid level x86: use setup_clear_cpu_cap() when disabling the lapic KVM: fix exception entry / build bug, on 64-bit x86: add unknown_nmi_panic kernel parameter x86, VisWS: turn into generic arch, eliminate leftover files x86: add ->pre_time_init to x86_quirks x86: extend and use x86_quirks to clean up NUMAQ code x86: introduce x86_quirks x86: improve debug printout: add target bootmem range in early_res_to_bootmem() Subject: devmem, x86: fix rename of CONFIG_NONPROMISC_DEVMEM x86: remove arch_get_ram_range x86: Add a debugfs interface to dump PAT memtype x86: Add a arch directory for x86 under debugfs x86: i386: reduce boot fixmap space i386/xen: add proper unwind annotations to xen_sysenter_target x86: reduce force_mwait visibility x86: reduce forbid_dac's visibility x86: fix two modpost warnings x86: check function status in EDD boot code x86_64: ia32_signal.c: remove signal number conversion ...
Diffstat (limited to 'arch/x86/kernel/bios_uv.c')
-rw-r--r--arch/x86/kernel/bios_uv.c48
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 @@
+/*
+ * BIOS run time interface routines.
+ *
+ * Copyright (c) 2008 Silicon Graphics, Inc. All Rights Reserved.
+ *
+ * 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 <asm/uv/bios.h>
+
+const char *
+x86_bios_strerror(long status)
+{
+ const char *str;
+ switch (status) {
+ case 0: str = "Call completed without error"; break;
+ case -1: str = "Not implemented"; break;
+ case -2: str = "Invalid argument"; break;
+ case -3: str = "Call completed with error"; break;
+ default: str = "Unknown BIOS status code"; break;
+ }
+ return str;
+}
+
+long
+x86_bios_freq_base(unsigned long which, unsigned long *ticks_per_second,
+ unsigned long *drift_info)
+{
+ struct uv_bios_retval isrv;
+
+ BIOS_CALL(isrv, BIOS_FREQ_BASE, which, 0, 0, 0, 0, 0, 0);
+ *ticks_per_second = isrv.v0;
+ *drift_info = isrv.v1;
+ return isrv.status;
+}
+EXPORT_SYMBOL_GPL(x86_bios_freq_base);