From 3e576219c4357829632fcab027ae4d587ef906e5 Mon Sep 17 00:00:00 2001 From: Lioncash Date: Fri, 6 Feb 2015 13:52:30 -0500 Subject: vfp: Move FPSID, FPEXC, and FPSCR values over to enums. Also got rid of duplicate definitions of some of these values. --- src/core/arm/skyeye_common/vfp/asm_vfp.h | 141 +++++++++++++++---------------- 1 file changed, 69 insertions(+), 72 deletions(-) (limited to 'src/core/arm/skyeye_common/vfp/asm_vfp.h') diff --git a/src/core/arm/skyeye_common/vfp/asm_vfp.h b/src/core/arm/skyeye_common/vfp/asm_vfp.h index e113eaf29..ccb7cf4d7 100644 --- a/src/core/arm/skyeye_common/vfp/asm_vfp.h +++ b/src/core/arm/skyeye_common/vfp/asm_vfp.h @@ -7,80 +7,77 @@ #pragma once -#define FPSID cr0 -#define FPSCR cr1 -#define MVFR1 cr6 -#define MVFR0 cr7 -#define FPEXC cr8 -#define FPINST cr9 -#define FPINST2 cr10 +// FPSID Information +// Note that these are used as values and not as flags. +enum : u32 { + VFP_FPSID_IMPLMEN = 0, // Implementation code. Should be the same as cp15 0 c0 0 + VFP_FPSID_SW = 0, // Software emulation bit value + VFP_FPSID_SUBARCH = 0x2, // Subarchitecture version number + VFP_FPSID_PARTNUM = 0x1, // Part number + VFP_FPSID_VARIANT = 0x1, // Variant number + VFP_FPSID_REVISION = 0x1 // Revision number +}; -/* 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 +enum : u32 { + FPEXC_EX = (1U << 31U), + FPEXC_EN = (1 << 30), + FPEXC_DEX = (1 << 29), + FPEXC_FP2V = (1 << 28), + FPEXC_VV = (1 << 27), + FPEXC_TFV = (1 << 26), + FPEXC_LENGTH_BIT = (8), + FPEXC_LENGTH_MASK = (7 << FPEXC_LENGTH_BIT), + FPEXC_IDF = (1 << 7), + FPEXC_IXF = (1 << 4), + FPEXC_UFF = (1 << 3), + FPEXC_OFF = (1 << 2), + FPEXC_DZF = (1 << 1), + FPEXC_IOF = (1 << 0), + FPEXC_TRAP_MASK = (FPEXC_IDF|FPEXC_IXF|FPEXC_UFF|FPEXC_OFF|FPEXC_DZF|FPEXC_IOF) +}; -/* 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 Flags +enum : u32 { + FPSCR_NFLAG = (1U << 31U), // Negative condition flag + FPSCR_ZFLAG = (1 << 30), // Zero condition flag + FPSCR_CFLAG = (1 << 29), // Carry condition flag + FPSCR_VFLAG = (1 << 28), // Overflow condition flag -/* 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) + FPSCR_QC = (1 << 27), // Cumulative saturation bit + FPSCR_AHP = (1 << 26), // Alternative half-precision control bit + FPSCR_DEFAULT_NAN = (1 << 25), // Default NaN mode control bit + FPSCR_FLUSH_TO_ZERO = (1 << 24), // Flush-to-zero mode control bit + FPSCR_RMODE_MASK = (3 << 22), // Rounding Mode bit mask + FPSCR_STRIDE_MASK = (3 << 20), // Vector stride bit mask + FPSCR_LENGTH_MASK = (7 << 16), // Vector length bit mask -/* MVFR0 bits */ -#define MVFR0_A_SIMD_BIT (0) -#define MVFR0_A_SIMD_MASK (0xf << MVFR0_A_SIMD_BIT) + FPSCR_IDE = (1 << 15), // Input Denormal exception trap enable. + FPSCR_IXE = (1 << 12), // Inexact exception trap enable + FPSCR_UFE = (1 << 11), // Undeflow exception trap enable + FPSCR_OFE = (1 << 10), // Overflow exception trap enable + FPSCR_DZE = (1 << 9), // Division by Zero exception trap enable + FPSCR_IOE = (1 << 8), // Invalid Operation exception trap enable -/* 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)) + FPSCR_IDC = (1 << 7), // Input Denormal cumulative exception bit + FPSCR_IXC = (1 << 4), // Inexact cumulative exception bit + FPSCR_UFC = (1 << 3), // Undeflow cumulative exception bit + FPSCR_OFC = (1 << 2), // Overflow cumulative exception bit + FPSCR_DZC = (1 << 1), // Division by Zero cumulative exception bit + FPSCR_IOC = (1 << 0), // Invalid Operation cumulative exception bit +}; + +// FPSCR bit offsets +enum : u32 { + FPSCR_RMODE_BIT = 22, + FPSCR_STRIDE_BIT = 20, + FPSCR_LENGTH_BIT = 16, +}; + +// FPSCR rounding modes +enum : u32 { + FPSCR_ROUND_NEAREST = (0 << 22), + FPSCR_ROUND_PLUSINF = (1 << 22), + FPSCR_ROUND_MINUSINF = (2 << 22), + FPSCR_ROUND_TOZERO = (3 << 22) +}; -- cgit v1.2.3