"▪":           "\u25aa",
	"𝔽":                            "\U0001d53d",
	"∀":                          "\u2200",
	"ℱ":                      "\u2131",
	"ℱ":                            "\u2131",
	"Ѓ":                            "\u0403",
	">":                              "\u003e",
	"Γ":                           "\u0393",

}

type Sigset_t struct {
	Val [4]uint32
}

type Reg struct {
	R    [13]uint32
	Sp   uint32
	Lr   uint32
	Pc   uint32
	Cpsr uint32
}

type FpReg struct {
	Fpsr uint32
	Fpr  [8]FpExtendedPrecision
}

type FpExtendedPrecision struct {
	Exponent    uint32
	Mantissa_hi uint32
	Mantissa_lo uint32
}

type PtraceIoDesc struct {
	Op   int32

	C_SOREG    /* An $n+reg memory arg where n is a 16 bit signed offset */
	C_LOREG    /* An $n+reg memory arg where n is a 32 bit signed offset */
	C_XOREG    /* An reg+reg memory arg */
	C_FPSCR    /* The fpscr register */
	C_LR       /* The link register */
	C_CTR      /* The count register */
	C_ANY      /* Any argument */
	C_GOK      /* A non-matched argument */
	C_ADDR     /* A symbolic memory location */

	// disable runfast (flush-to-zero) mode of vfp if runtime.goarmsoftfp == 0
	MOVB	runtime·goarmsoftfp(SB), R11
	CMP	$0, R11
	BNE	4(PC)
	WORD	$0xeef1ba10	// vmrs r11, fpscr
	BIC	$(1<<24), R11
	WORD	$0xeee1ba10	// vmsr fpscr, r11
	RET

TEXT runtime·mstart(SB),NOSPLIT|TOPFRAME,$0
	BL	runtime·mstart0(SB)
	RET // not reached

/*
 *  go-routine
 */

// void gogo(Gobuf*)

	MRS	FAR_EL1, R9                        // 096038d5
	MSR	R25, FAR_EL1                       // 196018d5
	MRS	FPCR, R1                           // 01443bd5
	MSR	R27, FPCR                          // 1b441bd5
	MRS	FPSR, R5                           // 25443bd5
	MSR	R15, FPSR                          // 2f441bd5
	MRS	ID_AA64AFR0_EL1, R19               // 930538d5
	MRS	ID_AA64AFR1_EL1, R24               // b80538d5

	MOVW	$0xff000000, CPSR    // MOVW $4278190080, CPSR    // fff42ce3
	MOVW	FPSR, R9                                          // 109af1ee
	MOVW	FPSR, g                                           // 10aaf1ee
	MOVW	R9, FPSR                                          // 109ae1ee
	MOVW	g, FPSR                                           // 10aae1ee
	MOVW	R0>>28(R1), R2                                    // 202e91e7

		gpfp        = regInfo{inputs: []regMask{gp}, outputs: []regMask{fp}}
		fp21        = regInfo{inputs: []regMask{fp, fp}, outputs: []regMask{fp}}
		fp31        = regInfo{inputs: []regMask{fp, fp, fp}, outputs: []regMask{fp}}
		fp2cr       = regInfo{inputs: []regMask{fp, fp}}
		fpload      = regInfo{inputs: []regMask{gp | sp | sb}, outputs: []regMask{fp}}
		fploadidx   = regInfo{inputs: []regMask{gp | sp | sb, gp | sp | sb}, outputs: []regMask{fp}}

		}

	case 64: /* mtfsf fr[, $m] {,fpcsr} */
		var v int32
		if p.From3Type() != obj.TYPE_NONE {
			v = c.regoff(p.GetFrom3()) & 255
		} else {
			v = 255
		}
		o1 = OP_MTFSF | uint32(v)<<17 | uint32(p.From.Reg)<<11

	case 65: /* MOVFL $imm,FPSCR(n) => mtfsfi crfd,imm */
		if p.To.Reg == 0 {
			c.ctxt.Diag("must specify FPSCR(n)\n%v", p)
		}