summaryrefslogtreecommitdiffstats
path: root/include/asm-x86/math_emu.h
diff options
context:
space:
mode:
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 0000000..a4b0aa3
--- /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
OpenPOWER on IntegriCloud