CloverBootloader/MdePkg/Library/BaseLib/AArch64/CpuBreakpoint.asm
2019-09-03 12:58:42 +03:00

34 lines
916 B
NASM

;------------------------------------------------------------------------------
;
; CpuBreakpoint() for AArch64
;
; Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
; Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
; Portions copyright (c) 2011 - 2013, ARM Ltd. All rights reserved.<BR>
; SPDX-License-Identifier: BSD-2-Clause-Patent
;
;------------------------------------------------------------------------------
EXPORT CpuBreakpoint
AREA BaseLib_LowLevel, CODE, READONLY
;/**
; Generates a breakpoint on the CPU.
;
; Generates a breakpoint on the CPU. The breakpoint must be implemented such
; that code can resume normal execution after the breakpoint.
;
;**/
;VOID
;EFIAPI
;CpuBreakpoint (
; VOID
; );
;
CpuBreakpoint
svc 0xdbdb // Superviser exception. Takes 16bit arg -> Armv7 had 'swi' here.
ret
END