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authorDavid Woodhouse <dwmw2@infradead.org>2007-10-13 17:58:23 +0400
committerDavid Woodhouse <dwmw2@infradead.org>2007-10-13 17:58:23 +0400
commitebf8889bd1fe3615991ff4494635d237280652a2 (patch)
tree10fb735717122bbb86474339eac07f26e7ccdf40 /include/asm-x86/math_emu.h
parentb160292cc216a50fd0cd386b0bda2cd48352c73b (diff)
parent752097cec53eea111d087c545179b421e2bde98a (diff)
downloadlinux-ebf8889bd1fe3615991ff4494635d237280652a2.tar.xz
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'include/asm-x86/math_emu.h')
-rw-r--r--include/asm-x86/math_emu.h36
1 files changed, 36 insertions, 0 deletions
diff --git a/include/asm-x86/math_emu.h b/include/asm-x86/math_emu.h
new file mode 100644
index 000000000000..a4b0aa3320e6
--- /dev/null
+++ b/include/asm-x86/math_emu.h
@@ -0,0 +1,36 @@
+#ifndef _I386_MATH_EMU_H
+#define _I386_MATH_EMU_H
+
+#include <asm/sigcontext.h>
+
+int restore_i387_soft(void *s387, struct _fpstate __user *buf);
+int save_i387_soft(void *s387, struct _fpstate __user *buf);
+
+/* This structure matches the layout of the data saved to the stack
+ following a device-not-present interrupt, part of it saved
+ automatically by the 80386/80486.
+ */
+struct info {
+ long ___orig_eip;
+ long ___ebx;
+ long ___ecx;
+ long ___edx;
+ long ___esi;
+ long ___edi;
+ long ___ebp;
+ long ___eax;
+ long ___ds;
+ long ___es;
+ long ___fs;
+ long ___orig_eax;
+ long ___eip;
+ long ___cs;
+ long ___eflags;
+ long ___esp;
+ long ___ss;
+ long ___vm86_es; /* This and the following only in vm86 mode */
+ long ___vm86_ds;
+ long ___vm86_fs;
+ long ___vm86_gs;
+};
+#endif