[Bug 209821] UEFI - installation media hangs when booting on ASUS P6P67 DELUXE

From: <bugzilla-noreply_at_freebsd.org>
Date: Fri, 07 Jan 2022 21:46:48 UTC

--- Comment #67 from David Sebek <dasebek@gmail.com> ---
Created attachment 230798
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=230798&action=edit
[PATCH] [releng/12.3] efi: loader: Inline copy_finish function in amd64

This is a simplified version of the previous patch (only includes essential
changes). Rebased to FreeBSD 12.3 (releng/12.3).

Patch description:

Instead of calling the efi_copy_finish function from amd64_tramp,
include the copy instructions in the trampoline code itself.
This avoids boot hangs and restarts in the cases when
the efi_copy_finish code happens to be located at a memory
location that is overwritten during the copy process.

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