Date: Wed, 01 May 2019 17:13:30 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 237234] EFIRT panic on Ampere eMAG Message-ID: <bug-237234-227-GDwOhiasAw@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-237234-227@https.bugs.freebsd.org/bugzilla/> References: <bug-237234-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D237234 --- Comment #1 from commit-hook@freebsd.org --- A commit references this bug: Author: andrew Date: Wed May 1 17:12:50 UTC 2019 New revision: 346996 URL: https://svnweb.freebsd.org/changeset/base/346996 Log: Restore x18 in efi_arch_leave. Some UEFI implementations trash this register and, as we use it as a platform register, the kernel doesn't save it before calling into the UEFI runtime services. As we have a copy in tpidr_el1 restore from there when exiting the EFI environment. PR: 237234, 237055 Reviewed by: manu Tested On: Ampere eMAG MFC after: 2 weeks Sponsored by: DARPA, AFRL Sponsored by: Ampere Computing (hardware) Differential Revision: https://reviews.freebsd.org/D20127 Changes: head/sys/arm64/arm64/efirt_machdep.c --=20 You are receiving this mail because: You are the assignee for the bug.=
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