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| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
|---|---|
| 2 | /* |
| 3 | * FPU data structures |
| 4 | * |
| 5 | * Copyright IBM Corp. 2015 |
| 6 | * Author(s): Hendrik Brueckner <brueckner@linux.vnet.ibm.com> |
| 7 | */ |
| 8 | |
| 9 | #ifndef _ASM_S390_FPU_TYPES_H |
| 10 | #define _ASM_S390_FPU_TYPES_H |
| 11 | |
| 12 | #include <asm/sigcontext.h> |
| 13 | |
| 14 | struct fpu { |
| 15 | u32 fpc; |
| 16 | __vector128 vxrs[__NUM_VXRS] __aligned(8); |
| 17 | }; |
| 18 | |
| 19 | struct kernel_fpu_hdr { |
| 20 | int mask; |
| 21 | u32 fpc; |
| 22 | }; |
| 23 | |
| 24 | struct kernel_fpu { |
| 25 | struct kernel_fpu_hdr hdr; |
| 26 | __vector128 vxrs[] __aligned(8); |
| 27 | }; |
| 28 | |
| 29 | #define KERNEL_FPU_STRUCT(vxr_size) \ |
| 30 | struct kernel_fpu_##vxr_size { \ |
| 31 | struct kernel_fpu_hdr hdr; \ |
| 32 | __vector128 vxrs[vxr_size] __aligned(8); \ |
| 33 | } |
| 34 | |
| 35 | KERNEL_FPU_STRUCT(8); |
| 36 | KERNEL_FPU_STRUCT(16); |
| 37 | KERNEL_FPU_STRUCT(32); |
| 38 | |
| 39 | #define DECLARE_KERNEL_FPU_ONSTACK(vxr_size, name) \ |
| 40 | struct kernel_fpu_##vxr_size name __uninitialized |
| 41 | |
| 42 | #define DECLARE_KERNEL_FPU_ONSTACK8(name) \ |
| 43 | DECLARE_KERNEL_FPU_ONSTACK(8, name) |
| 44 | |
| 45 | #define DECLARE_KERNEL_FPU_ONSTACK16(name) \ |
| 46 | DECLARE_KERNEL_FPU_ONSTACK(16, name) |
| 47 | |
| 48 | #define DECLARE_KERNEL_FPU_ONSTACK32(name) \ |
| 49 | DECLARE_KERNEL_FPU_ONSTACK(32, name) |
| 50 | |
| 51 | #endif /* _ASM_S390_FPU_TYPES_H */ |
| 52 |
Warning: This file is not a C or C++ file. It does not have highlighting.