summaryrefslogtreecommitdiff
path: root/arch/s390/include/asm/fpu/types.h
blob: d889e9436865e3571900bc040be043a885dd74c4 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
/* SPDX-License-Identifier: GPL-2.0 */
/*
 * FPU data structures
 *
 * Copyright IBM Corp. 2015
 * Author(s): Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
 */

#ifndef _ASM_S390_FPU_TYPES_H
#define _ASM_S390_FPU_TYPES_H

#include <asm/sigcontext.h>

struct fpu {
	__u32 fpc;		/* Floating-point control */
	void *regs;		/* Pointer to the current save area */
	union {
		/* Floating-point register save area */
		freg_t fprs[__NUM_FPRS];
		/* Vector register save area */
		__vector128 vxrs[__NUM_VXRS];
	};
};

/* VX array structure for address operand constraints in inline assemblies */
struct vx_array { __vector128 _[__NUM_VXRS]; };

/* In-kernel FPU state structure */
struct kernel_fpu {
	u32	    mask;
	u32	    fpc;
	union {
		freg_t fprs[__NUM_FPRS];
		__vector128 vxrs[__NUM_VXRS];
	};
};

#endif /* _ASM_S390_FPU_TYPES_H */