/* * 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 register definitions. * First, the standard VFP set. */ #define FPSID c0 #define FPSCR c1 #define FPEXC c8 /* FPSID bits */ #define FPSID_IMPLEMENTER_BIT (24) #define FPSID_IMPLEMENTER_MASK (0xff << FPSID_IMPLEMENTER_BIT) #define FPSID_SOFTWARE (1<<23) #define FPSID_FORMAT_BIT (21) #define FPSID_FORMAT_MASK (0x3 << FPSID_FORMAT_BIT) #define FPSID_NODOUBLE (1<<20) #define FPSID_ARCH_BIT (16) #define FPSID_ARCH_MASK (0xF << FPSID_ARCH_BIT) #define FPSID_PART_BIT (8) #define FPSID_PART_MASK (0xFF << FPSID_PART_BIT) #define FPSID_VARIANT_BIT (4) #define FPSID_VARIANT_MASK (0xF << FPSID_VARIANT_BIT) #define FPSID_REV_BIT (0) #define FPSID_REV_MASK (0xF << FPSID_REV_BIT) /* FPEXC bits */ #define FPEXC_EXCEPTION (1<<31) #define FPEXC_ENABLE (1<<30) /* FPSCR bits */ #define FPSCR_DEFAULT_NAN (1<<25) #define FPSCR_FLUSHTOZERO (1<<24) #define FPSCR_ROUND_NEAREST (0<<22) #define FPSCR_ROUND_PLUSINF (1<<22) #define FPSCR_ROUND_MINUSINF (2<<22) #define FPSCR_ROUND_TOZERO (3<<22) #define FPSCR_RMODE_BIT (22) #define FPSCR_RMODE_MASK (3 << FPSCR_RMODE_BIT) #define FPSCR_STRIDE_BIT (20) #define FPSCR_STRIDE_MASK (3 << FPSCR_STRIDE_BIT) #define FPSCR_LENGTH_BIT (16) #define FPSCR_LENGTH_MASK (7 << FPSCR_LENGTH_BIT) #define FPSCR_IOE (1<<8) #define FPSCR_DZE (1<<9) #define FPSCR_OFE (1<<10) #define FPSCR_UFE (1<<11) #define FPSCR_IXE (1<<12) #define FPSCR_IDE (1<<15) #define FPSCR_IOC (1<<0) #define FPSCR_DZC (1<<1) #define FPSCR_OFC (1<<2) #define FPSCR_UFC (1<<3) #define FPSCR_IXC (1<<4) #define FPSCR_IDC (1<<7) /* * VFP9-S specific. */ #define FPINST c9 #define FPINST2 c10 /* FPEXC bits */ #define FPEXC_FPV2 (1<<28) #define FPEXC_LENGTH_BIT (8) #define FPEXC_LENGTH_MASK (7 << FPEXC_LENGTH_BIT) #define FPEXC_INV (1 << 7) #define FPEXC_UFC (1 << 3) #define FPEXC_OFC (1 << 2) #define FPEXC_IOC (1 << 0) /* Bit patterns for decoding the packaged operation descriptors */ #define VFPOPDESC_LENGTH_BIT (9) #define VFPOPDESC_LENGTH_MASK (0x07 << VFPOPDESC_LENGTH_BIT) #define VFPOPDESC_UNUSED_BIT (24) #define VFPOPDESC_UNUSED_MASK (0xFF << VFPOPDESC_UNUSED_BIT) #define VFPOPDESC_OPDESC_MASK (~(VFPOPDESC_LENGTH_MASK | VFPOPDESC_UNUSED_MASK))