diff options
Diffstat (limited to '')
-rw-r--r-- | arch/s390/include/asm/fpu/types.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/arch/s390/include/asm/fpu/types.h b/arch/s390/include/asm/fpu/types.h new file mode 100644 index 000000000..d889e9436 --- /dev/null +++ b/arch/s390/include/asm/fpu/types.h @@ -0,0 +1,38 @@ +/* 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 */ |