/* SPDX-License-Identifier: GPL-2.0 */ /* * arch/arm/include/asm/vfp.h * * VFP register definitions. * First, the standard VFP set. */ #ifndef __ASM_VFP_H #define __ASM_VFP_H #ifndef CONFIG_AS_VFP_VMRS_FPINST #define FPSID cr0 #define FPSCR cr1 #define MVFR1 cr6 #define MVFR0 cr7 #define FPEXC cr8 #define FPINST cr9 #define FPINST2 cr10 #endif /* 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_CPUID_ARCH_MASK (0x7F << 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_EX (1 << 31) #define FPEXC_EN (1 << 30) #define FPEXC_DEX (1 << 29) #define FPEXC_FP2V (1 << 28) #define FPEXC_VV (1 << 27) #define FPEXC_TFV (1 << 26) #define FPEXC_LENGTH_BIT (8) #define FPEXC_LENGTH_MASK (7 << FPEXC_LENGTH_BIT) #define FPEXC_IDF (1 << 7) #define FPEXC_IXF (1 << 4) #define FPEXC_UFF (1 << 3) #define FPEXC_OFF (1 << 2) #define FPEXC_DZF (1 << 1) #define FPEXC_IOF (1 << 0) #define FPEXC_TRAP_MASK (FPEXC_IDF|FPEXC_IXF|FPEXC_UFF|FPEXC_OFF|FPEXC_DZF|FPEXC_IOF) /* 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) /* MVFR0 bits */ #define MVFR0_A_SIMD_BIT (0) #define MVFR0_A_SIMD_MASK (0xf << MVFR0_A_SIMD_BIT) #define MVFR0_SP_BIT (4) #define MVFR0_SP_MASK (0xf << MVFR0_SP_BIT) #define MVFR0_DP_BIT (8) #define MVFR0_DP_MASK (0xf << MVFR0_DP_BIT) /* MVFR1 bits */ #define MVFR1_ASIMDHP_BIT (20) #define MVFR1_ASIMDHP_MASK (0xf << MVFR1_ASIMDHP_BIT) #define MVFR1_FPHP_BIT (24) #define MVFR1_FPHP_MASK (0xf << MVFR1_FPHP_BIT) /* 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)) #ifndef __ASSEMBLY__ void vfp_disable(void); #endif #endif /* __ASM_VFP_H */