cregit-Linux how code gets into the kernel

Release 4.11 arch/arm/include/asm/vfp.h

/*
 * arch/arm/include/asm/vfp.h
 *
 * VFP register definitions.
 * First, the standard VFP set.
 */

#ifndef __ASM_VFP_H

#define __ASM_VFP_H


#define FPSID			cr0

#define FPSCR			cr1

#define MVFR1			cr6

#define MVFR0			cr7

#define FPEXC			cr8

#define FPINST			cr9

#define FPINST2			cr10

/* 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)

/* 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 */

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PersonTokensPropCommitsCommitProp
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