github.com/f-secure-foundry/tamago@v0.0.0-20220307101044-d73fcdd7f11b/arm/debug.s (about)

     1  // ARM processor support
     2  // https://github.com/f-secure-foundry/tamago
     3  //
     4  // Copyright (c) F-Secure Corporation
     5  // https://foundry.f-secure.com
     6  //
     7  // Use of this source code is governed by the license
     8  // that can be found in the LICENSE file.
     9  
    10  // func read_dbgauthstatus() uint32
    11  TEXT ·read_dbgauthstatus(SB),$0-4
    12  	// ARM Architecture Reference Manual - ARMv7-A and ARMv7-R edition
    13  	//
    14  	// C11.11.1 DBGAUTHSTATUS, Authentication Status register
    15  
    16  	MRC	14, 0, R0, C7, C14, 6
    17  	MOVW	R0, ret+0(FP)
    18  
    19  	RET