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authorDavid Woodhouse <dwmw2@infradead.org>2007-10-13 14:58:23 +0100
committerDavid Woodhouse <dwmw2@infradead.org>2007-10-13 14:58:23 +0100
commitebf8889bd1fe3615991ff4494635d237280652a2 (patch)
tree10fb735717122bbb86474339eac07f26e7ccdf40 /include/asm-x86/dmi_64.h
parentb160292cc216a50fd0cd386b0bda2cd48352c73b (diff)
parent752097cec53eea111d087c545179b421e2bde98a (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'include/asm-x86/dmi_64.h')
-rw-r--r--include/asm-x86/dmi_64.h24
1 files changed, 24 insertions, 0 deletions
diff --git a/include/asm-x86/dmi_64.h b/include/asm-x86/dmi_64.h
new file mode 100644
index 000000000000..d02e32e3c3f0
--- /dev/null
+++ b/include/asm-x86/dmi_64.h
@@ -0,0 +1,24 @@
+#ifndef _ASM_DMI_H
+#define _ASM_DMI_H 1
+
+#include <asm/io.h>
+
+#define DMI_MAX_DATA 2048
+
+extern int dmi_alloc_index;
+extern char dmi_alloc_data[DMI_MAX_DATA];
+
+/* This is so early that there is no good way to allocate dynamic memory.
+ Allocate data in an BSS array. */
+static inline void *dmi_alloc(unsigned len)
+{
+ int idx = dmi_alloc_index;
+ if ((dmi_alloc_index += len) > DMI_MAX_DATA)
+ return NULL;
+ return dmi_alloc_data + idx;
+}
+
+#define dmi_ioremap early_ioremap
+#define dmi_iounmap early_iounmap
+
+#endif