162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-only */ 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * linux/arch/arm/vfp/vfpinstr.h 462306a36Sopenharmony_ci * 562306a36Sopenharmony_ci * Copyright (C) 2004 ARM Limited. 662306a36Sopenharmony_ci * Written by Deep Blue Solutions Limited. 762306a36Sopenharmony_ci * 862306a36Sopenharmony_ci * VFP instruction masks. 962306a36Sopenharmony_ci */ 1062306a36Sopenharmony_ci#define INST_CPRTDO(inst) (((inst) & 0x0f000000) == 0x0e000000) 1162306a36Sopenharmony_ci#define INST_CPRT(inst) ((inst) & (1 << 4)) 1262306a36Sopenharmony_ci#define INST_CPRT_L(inst) ((inst) & (1 << 20)) 1362306a36Sopenharmony_ci#define INST_CPRT_Rd(inst) (((inst) & (15 << 12)) >> 12) 1462306a36Sopenharmony_ci#define INST_CPRT_OP(inst) (((inst) >> 21) & 7) 1562306a36Sopenharmony_ci#define INST_CPNUM(inst) ((inst) & 0xf00) 1662306a36Sopenharmony_ci#define CPNUM(cp) ((cp) << 8) 1762306a36Sopenharmony_ci 1862306a36Sopenharmony_ci#define FOP_MASK (0x00b00040) 1962306a36Sopenharmony_ci#define FOP_FMAC (0x00000000) 2062306a36Sopenharmony_ci#define FOP_FNMAC (0x00000040) 2162306a36Sopenharmony_ci#define FOP_FMSC (0x00100000) 2262306a36Sopenharmony_ci#define FOP_FNMSC (0x00100040) 2362306a36Sopenharmony_ci#define FOP_FMUL (0x00200000) 2462306a36Sopenharmony_ci#define FOP_FNMUL (0x00200040) 2562306a36Sopenharmony_ci#define FOP_FADD (0x00300000) 2662306a36Sopenharmony_ci#define FOP_FSUB (0x00300040) 2762306a36Sopenharmony_ci#define FOP_FDIV (0x00800000) 2862306a36Sopenharmony_ci#define FOP_EXT (0x00b00040) 2962306a36Sopenharmony_ci 3062306a36Sopenharmony_ci#define FOP_TO_IDX(inst) ((inst & 0x00b00000) >> 20 | (inst & (1 << 6)) >> 4) 3162306a36Sopenharmony_ci 3262306a36Sopenharmony_ci#define FEXT_MASK (0x000f0080) 3362306a36Sopenharmony_ci#define FEXT_FCPY (0x00000000) 3462306a36Sopenharmony_ci#define FEXT_FABS (0x00000080) 3562306a36Sopenharmony_ci#define FEXT_FNEG (0x00010000) 3662306a36Sopenharmony_ci#define FEXT_FSQRT (0x00010080) 3762306a36Sopenharmony_ci#define FEXT_FCMP (0x00040000) 3862306a36Sopenharmony_ci#define FEXT_FCMPE (0x00040080) 3962306a36Sopenharmony_ci#define FEXT_FCMPZ (0x00050000) 4062306a36Sopenharmony_ci#define FEXT_FCMPEZ (0x00050080) 4162306a36Sopenharmony_ci#define FEXT_FCVT (0x00070080) 4262306a36Sopenharmony_ci#define FEXT_FUITO (0x00080000) 4362306a36Sopenharmony_ci#define FEXT_FSITO (0x00080080) 4462306a36Sopenharmony_ci#define FEXT_FTOUI (0x000c0000) 4562306a36Sopenharmony_ci#define FEXT_FTOUIZ (0x000c0080) 4662306a36Sopenharmony_ci#define FEXT_FTOSI (0x000d0000) 4762306a36Sopenharmony_ci#define FEXT_FTOSIZ (0x000d0080) 4862306a36Sopenharmony_ci 4962306a36Sopenharmony_ci#define FEXT_TO_IDX(inst) ((inst & 0x000f0000) >> 15 | (inst & (1 << 7)) >> 7) 5062306a36Sopenharmony_ci 5162306a36Sopenharmony_ci#define vfp_get_sd(inst) ((inst & 0x0000f000) >> 11 | (inst & (1 << 22)) >> 22) 5262306a36Sopenharmony_ci#define vfp_get_dd(inst) ((inst & 0x0000f000) >> 12 | (inst & (1 << 22)) >> 18) 5362306a36Sopenharmony_ci#define vfp_get_sm(inst) ((inst & 0x0000000f) << 1 | (inst & (1 << 5)) >> 5) 5462306a36Sopenharmony_ci#define vfp_get_dm(inst) ((inst & 0x0000000f) | (inst & (1 << 5)) >> 1) 5562306a36Sopenharmony_ci#define vfp_get_sn(inst) ((inst & 0x000f0000) >> 15 | (inst & (1 << 7)) >> 7) 5662306a36Sopenharmony_ci#define vfp_get_dn(inst) ((inst & 0x000f0000) >> 16 | (inst & (1 << 7)) >> 3) 5762306a36Sopenharmony_ci 5862306a36Sopenharmony_ci#define vfp_single(inst) (((inst) & 0x0000f00) == 0xa00) 5962306a36Sopenharmony_ci 6062306a36Sopenharmony_ci#define FPSCR_N (1 << 31) 6162306a36Sopenharmony_ci#define FPSCR_Z (1 << 30) 6262306a36Sopenharmony_ci#define FPSCR_C (1 << 29) 6362306a36Sopenharmony_ci#define FPSCR_V (1 << 28) 6462306a36Sopenharmony_ci 6562306a36Sopenharmony_ci#ifdef CONFIG_AS_VFP_VMRS_FPINST 6662306a36Sopenharmony_ci 6762306a36Sopenharmony_ci#define fmrx(_vfp_) ({ \ 6862306a36Sopenharmony_ci u32 __v; \ 6962306a36Sopenharmony_ci asm(".fpu vfpv2\n" \ 7062306a36Sopenharmony_ci "vmrs %0, " #_vfp_ \ 7162306a36Sopenharmony_ci : "=r" (__v) : : "cc"); \ 7262306a36Sopenharmony_ci __v; \ 7362306a36Sopenharmony_ci }) 7462306a36Sopenharmony_ci 7562306a36Sopenharmony_ci#define fmxr(_vfp_,_var_) \ 7662306a36Sopenharmony_ci asm(".fpu vfpv2\n" \ 7762306a36Sopenharmony_ci "vmsr " #_vfp_ ", %0" \ 7862306a36Sopenharmony_ci : : "r" (_var_) : "cc") 7962306a36Sopenharmony_ci 8062306a36Sopenharmony_ci#else 8162306a36Sopenharmony_ci 8262306a36Sopenharmony_ci#define vfpreg(_vfp_) #_vfp_ 8362306a36Sopenharmony_ci 8462306a36Sopenharmony_ci#define fmrx(_vfp_) ({ \ 8562306a36Sopenharmony_ci u32 __v; \ 8662306a36Sopenharmony_ci asm("mrc p10, 7, %0, " vfpreg(_vfp_) ", cr0, 0 @ fmrx %0, " #_vfp_ \ 8762306a36Sopenharmony_ci : "=r" (__v) : : "cc"); \ 8862306a36Sopenharmony_ci __v; \ 8962306a36Sopenharmony_ci }) 9062306a36Sopenharmony_ci 9162306a36Sopenharmony_ci#define fmxr(_vfp_,_var_) \ 9262306a36Sopenharmony_ci asm("mcr p10, 7, %0, " vfpreg(_vfp_) ", cr0, 0 @ fmxr " #_vfp_ ", %0" \ 9362306a36Sopenharmony_ci : : "r" (_var_) : "cc") 9462306a36Sopenharmony_ci 9562306a36Sopenharmony_ci#endif 9662306a36Sopenharmony_ci 9762306a36Sopenharmony_ciu32 vfp_single_cpdo(u32 inst, u32 fpscr); 9862306a36Sopenharmony_ciu32 vfp_single_cprt(u32 inst, u32 fpscr, struct pt_regs *regs); 9962306a36Sopenharmony_ci 10062306a36Sopenharmony_ciu32 vfp_double_cpdo(u32 inst, u32 fpscr); 101