]> git.kernelconcepts.de Git - karo-tx-linux.git/blob - arch/s390/include/asm/fpu/types.h
Merge branch 'for-4.8/core' of git://git.kernel.dk/linux-block
[karo-tx-linux.git] / arch / s390 / include / asm / fpu / types.h
1 /*
2  * FPU data structures
3  *
4  * Copyright IBM Corp. 2015
5  * Author(s): Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
6  */
7
8 #ifndef _ASM_S390_FPU_TYPES_H
9 #define _ASM_S390_FPU_TYPES_H
10
11 #include <asm/sigcontext.h>
12
13 struct fpu {
14         __u32 fpc;              /* Floating-point control */
15         void *regs;             /* Pointer to the current save area */
16         union {
17                 /* Floating-point register save area */
18                 freg_t fprs[__NUM_FPRS];
19                 /* Vector register save area */
20                 __vector128 vxrs[__NUM_VXRS];
21         };
22 };
23
24 /* VX array structure for address operand constraints in inline assemblies */
25 struct vx_array { __vector128 _[__NUM_VXRS]; };
26
27 /* In-kernel FPU state structure */
28 struct kernel_fpu {
29         u32         mask;
30         u32         fpc;
31         union {
32                 freg_t fprs[__NUM_FPRS];
33                 __vector128 vxrs[__NUM_VXRS];
34         };
35 };
36
37 #endif /* _ASM_S390_FPU_TYPES_H */