include upstream ip1000a driver version 2.09f
[linux-2.4.git] / include / asm-x86_64 / bugs.h
1 /*
2  *  include/asm-x86_64/bugs.h
3  *
4  *  Copyright (C) 1994  Linus Torvalds
5  *  Copyright (C) 2000  SuSE
6  *
7  * This is included by init/main.c to check for architecture-dependent bugs.
8  *
9  * Needs:
10  *      void check_bugs(void);
11  */
12
13 #include <linux/config.h>
14 #include <asm/processor.h>
15 #include <asm/i387.h>
16 #include <asm/msr.h>
17 #include <asm/pda.h>
18
19 static inline void check_fpu(void)
20 {
21         extern void __bad_fxsave_alignment(void);
22         if (offsetof(struct task_struct, thread.i387.fxsave) & 15)
23                 __bad_fxsave_alignment();
24
25         /* This should not be here */   
26         set_in_cr4(X86_CR4_OSFXSR);
27         set_in_cr4(X86_CR4_OSXMMEXCPT);
28 }
29
30 static void __init check_bugs(void)
31 {
32         identify_cpu(&boot_cpu_data);
33         check_fpu();
34 }