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 +++++++++++++++---------------- src/core/arm/skyeye_common/vfp/vfp.cpp | 1 + src/core/arm/skyeye_common/vfp/vfp.h | 112 ++++++++---------------- 3 files changed, 104 insertions(+), 150 deletions(-) (limited to 'src/core/arm/skyeye_common/vfp') diff --git a/src/core/arm/skyeye_common/vfp/asm_vfp.h b/src/core/arm/skyeye_common/vfp/asm_vfp.h index e113eaf2..ccb7cf4d 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) +}; diff --git a/src/core/arm/skyeye_common/vfp/vfp.cpp b/src/core/arm/skyeye_common/vfp/vfp.cpp index 563247c7..88870912 100644 --- a/src/core/arm/skyeye_common/vfp/vfp.cpp +++ b/src/core/arm/skyeye_common/vfp/vfp.cpp @@ -23,6 +23,7 @@ #include "common/common.h" #include "core/arm/skyeye_common/armdefs.h" +#include "core/arm/skyeye_common/vfp/asm_vfp.h" #include "core/arm/skyeye_common/vfp/vfp.h" //ARMul_State* persistent_state; /* function calls from SoftFloat lib don't have an access to ARMul_state. */ diff --git a/src/core/arm/skyeye_common/vfp/vfp.h b/src/core/arm/skyeye_common/vfp/vfp.h index 09c7520d..445a224b 100644 --- a/src/core/arm/skyeye_common/vfp/vfp.h +++ b/src/core/arm/skyeye_common/vfp/vfp.h @@ -25,86 +25,42 @@ #define VFP_DEBUG_UNIMPLEMENTED(x) LOG_ERROR(Core_ARM11, "in func %s, " #x " unimplemented\n", __FUNCTION__); exit(-1); #define VFP_DEBUG_UNTESTED(x) LOG_TRACE(Core_ARM11, "in func %s, " #x " untested\n", __FUNCTION__); #define CHECK_VFP_ENABLED -#define CHECK_VFP_CDP_RET vfp_raise_exceptions(cpu, ret, inst_cream->instr, cpu->VFP[VFP_OFFSET(VFP_FPSCR)]); //if (ret == -1) {printf("VFP CDP FAILURE %x\n", inst_cream->instr); exit(-1);} - -unsigned VFPInit (ARMul_State *state); -unsigned VFPMRC (ARMul_State * state, unsigned type, ARMword instr, ARMword * value); -unsigned VFPMCR (ARMul_State * state, unsigned type, ARMword instr, ARMword value); -unsigned VFPMRRC (ARMul_State * state, unsigned type, ARMword instr, ARMword * value1, ARMword * value2); -unsigned VFPMCRR (ARMul_State * state, unsigned type, ARMword instr, ARMword value1, ARMword value2); -unsigned VFPSTC (ARMul_State * state, unsigned type, ARMword instr, ARMword * value); -unsigned VFPLDC (ARMul_State * state, unsigned type, ARMword instr, ARMword value); -unsigned VFPCDP (ARMul_State * state, unsigned type, ARMword instr); - -/* FPSID Information */ -#define VFP_FPSID_IMPLMEN 0 /* should be the same as cp15 0 c0 0*/ -#define VFP_FPSID_SW 0 -#define VFP_FPSID_SUBARCH 0x2 /* VFP version. Current is v3 (not strict) */ -#define VFP_FPSID_PARTNUM 0x1 -#define VFP_FPSID_VARIANT 0x1 -#define VFP_FPSID_REVISION 0x1 - -/* FPEXC Flags */ -#define VFP_FPEXC_EX 1<<31 -#define VFP_FPEXC_EN 1<<30 - -/* FPSCR Flags */ -#define VFP_FPSCR_NFLAG 1<<31 -#define VFP_FPSCR_ZFLAG 1<<30 -#define VFP_FPSCR_CFLAG 1<<29 -#define VFP_FPSCR_VFLAG 1<<28 - -#define VFP_FPSCR_AHP 1<<26 /* Alternative Half Precision */ -#define VFP_FPSCR_DN 1<<25 /* Default NaN */ -#define VFP_FPSCR_FZ 1<<24 /* Flush-to-zero */ -#define VFP_FPSCR_RMODE 3<<22 /* Rounding Mode */ -#define VFP_FPSCR_STRIDE 3<<20 /* Stride (vector) */ -#define VFP_FPSCR_LEN 7<<16 /* Stride (vector) */ - -#define VFP_FPSCR_IDE 1<<15 /* Input Denormal exc */ -#define VFP_FPSCR_IXE 1<<12 /* Inexact exc */ -#define VFP_FPSCR_UFE 1<<11 /* Undeflow exc */ -#define VFP_FPSCR_OFE 1<<10 /* Overflow exc */ -#define VFP_FPSCR_DZE 1<<9 /* Division by Zero exc */ -#define VFP_FPSCR_IOE 1<<8 /* Invalid Operation exc */ - -#define VFP_FPSCR_IDC 1<<7 /* Input Denormal cum exc */ -#define VFP_FPSCR_IXC 1<<4 /* Inexact cum exc */ -#define VFP_FPSCR_UFC 1<<3 /* Undeflow cum exc */ -#define VFP_FPSCR_OFC 1<<2 /* Overflow cum exc */ -#define VFP_FPSCR_DZC 1<<1 /* Division by Zero cum exc */ -#define VFP_FPSCR_IOC 1<<0 /* Invalid Operation cum exc */ - -/* Inline instructions. Note: Used in a cpp file as well */ -#ifdef __cplusplus - extern "C" { -#endif -int32_t vfp_get_float(ARMul_State * state, unsigned int reg); -void vfp_put_float(ARMul_State * state, int32_t val, unsigned int reg); -uint64_t vfp_get_double(ARMul_State * state, unsigned int reg); -void vfp_put_double(ARMul_State * state, uint64_t val, unsigned int reg); -void vfp_raise_exceptions(ARMul_State * state, uint32_t exceptions, uint32_t inst, uint32_t fpscr); +#define CHECK_VFP_CDP_RET vfp_raise_exceptions(cpu, ret, inst_cream->instr, cpu->VFP[VFP_OFFSET(VFP_FPSCR)]); //if (ret == -1) {printf("VFP CDP FAILURE %x\n", inst_cream->instr); exit(-1);} + +unsigned VFPInit(ARMul_State* state); +unsigned VFPMRC(ARMul_State* state, unsigned type, ARMword instr, ARMword* value); +unsigned VFPMCR(ARMul_State* state, unsigned type, ARMword instr, ARMword value); +unsigned VFPMRRC(ARMul_State* state, unsigned type, ARMword instr, ARMword* value1, ARMword* value2); +unsigned VFPMCRR(ARMul_State* state, unsigned type, ARMword instr, ARMword value1, ARMword value2); +unsigned VFPSTC(ARMul_State* state, unsigned type, ARMword instr, ARMword* value); +unsigned VFPLDC(ARMul_State* state, unsigned type, ARMword instr, ARMword value); +unsigned VFPCDP(ARMul_State* state, unsigned type, ARMword instr); + +s32 vfp_get_float(ARMul_State* state, u32 reg); +void vfp_put_float(ARMul_State* state, s32 val, u32 reg); +u64 vfp_get_double(ARMul_State* state, u32 reg); +void vfp_put_double(ARMul_State* state, u64 val, u32 reg); +void vfp_raise_exceptions(ARMul_State* state, u32 exceptions, u32 inst, u32 fpscr); u32 vfp_single_cpdo(ARMul_State* state, u32 inst, u32 fpscr); u32 vfp_double_cpdo(ARMul_State* state, u32 inst, u32 fpscr); -/* MRC */ -void VMRS(ARMul_State * state, ARMword reg, ARMword Rt, ARMword *value); -void VMOVBRS(ARMul_State * state, ARMword to_arm, ARMword t, ARMword n, ARMword *value); -void VMOVBRRD(ARMul_State * state, ARMword to_arm, ARMword t, ARMword t2, ARMword n, ARMword *value1, ARMword *value2); +// MRC +void VMRS(ARMul_State* state, ARMword reg, ARMword Rt, ARMword* value); +void VMOVBRS(ARMul_State* state, ARMword to_arm, ARMword t, ARMword n, ARMword* value); +void VMOVBRRD(ARMul_State* state, ARMword to_arm, ARMword t, ARMword t2, ARMword n, ARMword* value1, ARMword* value2); void VMOVBRRSS(ARMul_State* state, ARMword to_arm, ARMword t, ARMword t2, ARMword n, ARMword* value1, ARMword* value2); -void VMOVI(ARMul_State * state, ARMword single, ARMword d, ARMword imm); -void VMOVR(ARMul_State * state, ARMword single, ARMword d, ARMword imm); -/* MCR */ -void VMSR(ARMul_State * state, ARMword reg, ARMword Rt); -/* STC */ -int VSTM(ARMul_State * state, int type, ARMword instr, ARMword* value); -int VPUSH(ARMul_State * state, int type, ARMword instr, ARMword* value); -int VSTR(ARMul_State * state, int type, ARMword instr, ARMword* value); -/* LDC */ -int VLDM(ARMul_State * state, int type, ARMword instr, ARMword value); -int VPOP(ARMul_State * state, int type, ARMword instr, ARMword value); -int VLDR(ARMul_State * state, int type, ARMword instr, ARMword value); +void VMOVI(ARMul_State* state, ARMword single, ARMword d, ARMword imm); +void VMOVR(ARMul_State* state, ARMword single, ARMword d, ARMword imm); + +// MCR +void VMSR(ARMul_State* state, ARMword reg, ARMword Rt); + +// STC +int VSTM(ARMul_State* state, int type, ARMword instr, ARMword* value); +int VPUSH(ARMul_State* state, int type, ARMword instr, ARMword* value); +int VSTR(ARMul_State* state, int type, ARMword instr, ARMword* value); -#ifdef __cplusplus - } -#endif +// LDC +int VLDM(ARMul_State* state, int type, ARMword instr, ARMword value); +int VPOP(ARMul_State* state, int type, ARMword instr, ARMword value); +int VLDR(ARMul_State* state, int type, ARMword instr, ARMword value); -- cgit v1.2.3