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package arm
import (
"github.com/segmentio/asm/cpu/cpuid"
. "golang.org/x/sys/cpu"
)
type CPU cpuid.CPU
func (cpu CPU) Has(feature Feature) bool {
return cpuid.CPU(cpu).Has(cpuid.Feature(feature))
}
func (cpu *CPU) set(feature Feature, enable bool) {
(*cpuid.CPU)(cpu).Set(cpuid.Feature(feature), enable)
}
type Feature cpuid.Feature
const (
SWP Feature = 1 << iota // SWP instruction support
HALF // Half-word load and store support
THUMB // ARM Thumb instruction set
BIT26 // Address space limited to 26-bits
FASTMUL // 32-bit operand, 64-bit result multiplication support
FPA // Floating point arithmetic support
VFP // Vector floating point support
EDSP // DSP Extensions support
JAVA // Java instruction set
IWMMXT // Intel Wireless MMX technology support
CRUNCH // MaverickCrunch context switching and handling
THUMBEE // Thumb EE instruction set
NEON // NEON instruction set
VFPv3 // Vector floating point version 3 support
VFPv3D16 // Vector floating point version 3 D8-D15
TLS // Thread local storage support
VFPv4 // Vector floating point version 4 support
IDIVA // Integer divide instruction support in ARM mode
IDIVT // Integer divide instruction support in Thumb mode
VFPD32 // Vector floating point version 3 D15-D31
LPAE // Large Physical Address Extensions
EVTSTRM // Event stream support
AES // AES hardware implementation
PMULL // Polynomial multiplication instruction set
SHA1 // SHA1 hardware implementation
SHA2 // SHA2 hardware implementation
CRC32 // CRC32 hardware implementation
)
func ABI() CPU {
cpu := CPU(0)
cpu.set(SWP, ARM.HasSWP)
cpu.set(HALF, ARM.HasHALF)
cpu.set(THUMB, ARM.HasTHUMB)
cpu.set(BIT26, ARM.Has26BIT)
cpu.set(FASTMUL, ARM.HasFASTMUL)
cpu.set(FPA, ARM.HasFPA)
cpu.set(VFP, ARM.HasVFP)
cpu.set(EDSP, ARM.HasEDSP)
cpu.set(JAVA, ARM.HasJAVA)
cpu.set(IWMMXT, ARM.HasIWMMXT)
cpu.set(CRUNCH, ARM.HasCRUNCH)
cpu.set(THUMBEE, ARM.HasTHUMBEE)
cpu.set(NEON, ARM.HasNEON)
cpu.set(VFPv3, ARM.HasVFPv3)
cpu.set(VFPv3D16, ARM.HasVFPv3D16)
cpu.set(TLS, ARM.HasTLS)
cpu.set(VFPv4, ARM.HasVFPv4)
cpu.set(IDIVA, ARM.HasIDIVA)
cpu.set(IDIVT, ARM.HasIDIVT)
cpu.set(VFPD32, ARM.HasVFPD32)
cpu.set(LPAE, ARM.HasLPAE)
cpu.set(EVTSTRM, ARM.HasEVTSTRM)
cpu.set(AES, ARM.HasAES)
cpu.set(PMULL, ARM.HasPMULL)
cpu.set(SHA1, ARM.HasSHA1)
cpu.set(SHA2, ARM.HasSHA2)
cpu.set(CRC32, ARM.HasCRC32)
return cpu
}
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