Thanks Ard. -----Original Message----- From: Ard Biesheuvel [mailto:ard.biesheu...@linaro.org] Sent: Monday, August 01, 2016 7:11 AM To: Supreeth Venkatesh Cc: edk2-devel-01; Leif Lindholm; John Powell Subject: Re: [PATCH] ArmPkg/Library: Add ArmReadSctlr for aarch64
On 30 July 2016 at 01:06, Supreeth Venkatesh <supreeth.venkat...@arm.com> wrote: > One of the UEFI Self Certification tests (UEFI-SCT) need to read the > current exception level SCTLR Register. > > Contributed-under: TianoCore Contribution Agreement 1.0 > Signed-off-by: John Powell <john.pow...@arm.com> > Signed-off-by: Supreeth Venkatesh <supreeth.venkat...@arm.com> > --- Thanks for the patch. I don't think mentioning the UEFI-SCT here makes any sense, since the function is defined in ArmLIb.h, and simply missing from the AARCH64 implementation. I fixed this up when applying (07783fdd67e4) Thanks, Ard. > ArmPkg/Library/ArmLib/Common/AArch64/ArmLibSupport.S | 12 > +++++++++++- > 1 file changed, 11 insertions(+), 1 deletion(-) > > diff --git a/ArmPkg/Library/ArmLib/Common/AArch64/ArmLibSupport.S > b/ArmPkg/Library/ArmLib/Common/AArch64/ArmLibSupport.S > index a6fd5e3..c9f3bd1 100644 > --- a/ArmPkg/Library/ArmLib/Common/AArch64/ArmLibSupport.S > +++ b/ArmPkg/Library/ArmLib/Common/AArch64/ArmLibSupport.S > @@ -1,7 +1,7 @@ > > #--------------------------------------------------------------------- > --------- > # > # Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR> -# > Copyright (c) 2011 - 2014, ARM Limited. All rights reserved. > +# Copyright (c) 2011 - 2016, ARM Limited. All rights reserved. > # > # This program and the accompanying materials # are licensed and > made available under the terms and conditions of the BSD License @@ > -39,6 +39,7 @@ GCC_ASM_EXPORT (ArmCallWFE) GCC_ASM_EXPORT > (ArmCallSEV) GCC_ASM_EXPORT (ArmReadCpuActlr) GCC_ASM_EXPORT > (ArmWriteCpuActlr) > +GCC_ASM_EXPORT (ArmReadSctlr) > > > #--------------------------------------------------------------------- > --------- > > @@ -205,4 +206,13 @@ ASM_PFX(ArmWriteCpuActlr): > isb > ret > > +ASM_PFX(ArmReadSctlr): > + EL1_OR_EL2_OR_EL3(x1) > +1:mrs x0, sctlr_el1 > + ret > +2:mrs x0, sctlr_el2 > + ret > +3:mrs x0, sctlr_el3 > +4:ret > + > ASM_FUNCTION_REMOVE_IF_UNREFERENCED > -- > 2.8.0 > IMPORTANT NOTICE: The contents of this email and any attachments are confidential and may also be privileged. If you are not the intended recipient, please notify the sender immediately and do not disclose the contents to any other person, use it for any purpose, or store or copy the information in any medium. Thank you. _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel
