1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Definitions for the FPU register names 4 * 5 * Copyright (C) 2020-2022 Loongson Technology Corporation Limited 6 */ 7 #ifndef _ASM_FPREGDEF_H 8 #define _ASM_FPREGDEF_H 9 10 #define fa0 $f0 /* argument registers, fa0/fa1 reused as fv0/fv1 for return value */ 11 #define fa1 $f1 12 #define fa2 $f2 13 #define fa3 $f3 14 #define fa4 $f4 15 #define fa5 $f5 16 #define fa6 $f6 17 #define fa7 $f7 18 #define ft0 $f8 /* caller saved */ 19 #define ft1 $f9 20 #define ft2 $f10 21 #define ft3 $f11 22 #define ft4 $f12 23 #define ft5 $f13 24 #define ft6 $f14 25 #define ft7 $f15 26 #define ft8 $f16 27 #define ft9 $f17 28 #define ft10 $f18 29 #define ft11 $f19 30 #define ft12 $f20 31 #define ft13 $f21 32 #define ft14 $f22 33 #define ft15 $f23 34 #define fs0 $f24 /* callee saved */ 35 #define fs1 $f25 36 #define fs2 $f26 37 #define fs3 $f27 38 #define fs4 $f28 39 #define fs5 $f29 40 #define fs6 $f30 41 #define fs7 $f31 42 43 #ifndef CONFIG_AS_HAS_FCSR_CLASS 44 /* 45 * Current binutils expects *GPRs* at FCSR position for the FCSR 46 * operation instructions, so define aliases for those used. 47 */ 48 #define fcsr0 $r0 49 #define fcsr1 $r1 50 #define fcsr2 $r2 51 #define fcsr3 $r3 52 #else 53 #define fcsr0 $fcsr0 54 #define fcsr1 $fcsr1 55 #define fcsr2 $fcsr2 56 #define fcsr3 $fcsr3 57 #endif 58 59 #endif /* _ASM_FPREGDEF_H */ 60
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