| /* |
| * linux/arch/arm/vfp/vfpinstr.h |
| * |
| * Copyright (C) 2004 ARM Limited. |
| * Written by Deep Blue Solutions Limited. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| * |
| * VFP instruction masks. |
| */ |
| #define INST_CPRTDO(inst) (((inst) & 0x0f000000) == 0x0e000000) |
| #define INST_CPRT(inst) ((inst) & (1 << 4)) |
| #define INST_CPRT_L(inst) ((inst) & (1 << 20)) |
| #define INST_CPRT_Rd(inst) (((inst) & (15 << 12)) >> 12) |
| #define INST_CPRT_OP(inst) (((inst) >> 21) & 7) |
| #define INST_CPNUM(inst) ((inst) & 0xf00) |
| #define CPNUM(cp) ((cp) << 8) |
| |
| #define FOP_MASK (0x00b00040) |
| #define FOP_FMAC (0x00000000) |
| #define FOP_FNMAC (0x00000040) |
| #define FOP_FMSC (0x00100000) |
| #define FOP_FNMSC (0x00100040) |
| #define FOP_FMUL (0x00200000) |
| #define FOP_FNMUL (0x00200040) |
| #define FOP_FADD (0x00300000) |
| #define FOP_FSUB (0x00300040) |
| #define FOP_FDIV (0x00800000) |
| #define FOP_EXT (0x00b00040) |
| |
| #define FOP_TO_IDX(inst) ((inst & 0x00b00000) >> 20 | (inst & (1 << 6)) >> 4) |
| |
| #define FEXT_MASK (0x000f0080) |
| #define FEXT_FCPY (0x00000000) |
| #define FEXT_FABS (0x00000080) |
| #define FEXT_FNEG (0x00010000) |
| #define FEXT_FSQRT (0x00010080) |
| #define FEXT_FCMP (0x00040000) |
| #define FEXT_FCMPE (0x00040080) |
| #define FEXT_FCMPZ (0x00050000) |
| #define FEXT_FCMPEZ (0x00050080) |
| #define FEXT_FCVT (0x00070080) |
| #define FEXT_FUITO (0x00080000) |
| #define FEXT_FSITO (0x00080080) |
| #define FEXT_FTOUI (0x000c0000) |
| #define FEXT_FTOUIZ (0x000c0080) |
| #define FEXT_FTOSI (0x000d0000) |
| #define FEXT_FTOSIZ (0x000d0080) |
| |
| #define FEXT_TO_IDX(inst) ((inst & 0x000f0000) >> 15 | (inst & (1 << 7)) >> 7) |
| |
| #define vfp_get_sd(inst) ((inst & 0x0000f000) >> 11 | (inst & (1 << 22)) >> 22) |
| #define vfp_get_dd(inst) ((inst & 0x0000f000) >> 12 | (inst & (1 << 22)) >> 18) |
| #define vfp_get_sm(inst) ((inst & 0x0000000f) << 1 | (inst & (1 << 5)) >> 5) |
| #define vfp_get_dm(inst) ((inst & 0x0000000f) | (inst & (1 << 5)) >> 1) |
| #define vfp_get_sn(inst) ((inst & 0x000f0000) >> 15 | (inst & (1 << 7)) >> 7) |
| #define vfp_get_dn(inst) ((inst & 0x000f0000) >> 16 | (inst & (1 << 7)) >> 3) |
| |
| #define vfp_single(inst) (((inst) & 0x0000f00) == 0xa00) |
| |
| #define FPSCR_N (1 << 31) |
| #define FPSCR_Z (1 << 30) |
| #define FPSCR_C (1 << 29) |
| #define FPSCR_V (1 << 28) |
| |
| /* |
| * Since we aren't building with -mfpu=vfp, we need to code |
| * these instructions using their MRC/MCR equivalents. |
| */ |
| #define vfpreg(_vfp_) #_vfp_ |
| |
| #define fmrx(_vfp_) ({ \ |
| u32 __v; \ |
| asm("mrc p10, 7, %0, " vfpreg(_vfp_) ", cr0, 0 @ fmrx %0, " #_vfp_ \ |
| : "=r" (__v) : : "cc"); \ |
| __v; \ |
| }) |
| |
| #define fmxr(_vfp_,_var_) \ |
| asm("mcr p10, 7, %0, " vfpreg(_vfp_) ", cr0, 0 @ fmxr " #_vfp_ ", %0" \ |
| : : "r" (_var_) : "cc") |
| |
| u32 vfp_single_cpdo(u32 inst, u32 fpscr); |
| u32 vfp_single_cprt(u32 inst, u32 fpscr, struct pt_regs *regs); |
| |
| u32 vfp_double_cpdo(u32 inst, u32 fpscr); |