1/* 2 * arch/arm/include/asm/vfp.h 3 * 4 * VFP register definitions. 5 * First, the standard VFP set. 6 */ 7 8#define FPSID cr0 9#define FPSCR cr1 10#define MVFR1 cr6 11#define MVFR0 cr7 12#define FPEXC cr8 13#define FPINST cr9 14#define FPINST2 cr10 15 16/* FPSID bits */ 17#define FPSID_IMPLEMENTER_BIT (24) 18#define FPSID_IMPLEMENTER_MASK (0xff << FPSID_IMPLEMENTER_BIT) 19#define FPSID_SOFTWARE (1<<23) 20#define FPSID_FORMAT_BIT (21) 21#define FPSID_FORMAT_MASK (0x3 << FPSID_FORMAT_BIT) 22#define FPSID_NODOUBLE (1<<20) 23#define FPSID_ARCH_BIT (16) 24#define FPSID_ARCH_MASK (0xF << FPSID_ARCH_BIT) 25#define FPSID_PART_BIT (8) 26#define FPSID_PART_MASK (0xFF << FPSID_PART_BIT) 27#define FPSID_VARIANT_BIT (4) 28#define FPSID_VARIANT_MASK (0xF << FPSID_VARIANT_BIT) 29#define FPSID_REV_BIT (0) 30#define FPSID_REV_MASK (0xF << FPSID_REV_BIT) 31 32/* FPEXC bits */ 33#define FPEXC_EX (1 << 31) 34#define FPEXC_EN (1 << 30) 35#define FPEXC_DEX (1 << 29) 36#define FPEXC_FP2V (1 << 28) 37#define FPEXC_VV (1 << 27) 38#define FPEXC_TFV (1 << 26) 39#define FPEXC_LENGTH_BIT (8) 40#define FPEXC_LENGTH_MASK (7 << FPEXC_LENGTH_BIT) 41#define FPEXC_IDF (1 << 7) 42#define FPEXC_IXF (1 << 4) 43#define FPEXC_UFF (1 << 3) 44#define FPEXC_OFF (1 << 2) 45#define FPEXC_DZF (1 << 1) 46#define FPEXC_IOF (1 << 0) 47#define FPEXC_TRAP_MASK (FPEXC_IDF|FPEXC_IXF|FPEXC_UFF|FPEXC_OFF|FPEXC_DZF|FPEXC_IOF) 48 49/* FPSCR bits */ 50#define FPSCR_DEFAULT_NAN (1<<25) 51#define FPSCR_FLUSHTOZERO (1<<24) 52#define FPSCR_ROUND_NEAREST (0<<22) 53#define FPSCR_ROUND_PLUSINF (1<<22) 54#define FPSCR_ROUND_MINUSINF (2<<22) 55#define FPSCR_ROUND_TOZERO (3<<22) 56#define FPSCR_RMODE_BIT (22) 57#define FPSCR_RMODE_MASK (3 << FPSCR_RMODE_BIT) 58#define FPSCR_STRIDE_BIT (20) 59#define FPSCR_STRIDE_MASK (3 << FPSCR_STRIDE_BIT) 60#define FPSCR_LENGTH_BIT (16) 61#define FPSCR_LENGTH_MASK (7 << FPSCR_LENGTH_BIT) 62#define FPSCR_IOE (1<<8) 63#define FPSCR_DZE (1<<9) 64#define FPSCR_OFE (1<<10) 65#define FPSCR_UFE (1<<11) 66#define FPSCR_IXE (1<<12) 67#define FPSCR_IDE (1<<15) 68#define FPSCR_IOC (1<<0) 69#define FPSCR_DZC (1<<1) 70#define FPSCR_OFC (1<<2) 71#define FPSCR_UFC (1<<3) 72#define FPSCR_IXC (1<<4) 73#define FPSCR_IDC (1<<7) 74 75/* MVFR0 bits */ 76#define MVFR0_A_SIMD_BIT (0) 77#define MVFR0_A_SIMD_MASK (0xf << MVFR0_A_SIMD_BIT) 78 79/* Bit patterns for decoding the packaged operation descriptors */ 80#define VFPOPDESC_LENGTH_BIT (9) 81#define VFPOPDESC_LENGTH_MASK (0x07 << VFPOPDESC_LENGTH_BIT) 82#define VFPOPDESC_UNUSED_BIT (24) 83#define VFPOPDESC_UNUSED_MASK (0xFF << VFPOPDESC_UNUSED_BIT) 84#define VFPOPDESC_OPDESC_MASK (~(VFPOPDESC_LENGTH_MASK | VFPOPDESC_UNUSED_MASK)) 85