diff options
Diffstat (limited to 'sys-apps/fwupd-efi/files/fwupd-efi-1.4-uefi_210_fixes.patch')
| -rw-r--r-- | sys-apps/fwupd-efi/files/fwupd-efi-1.4-uefi_210_fixes.patch | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/sys-apps/fwupd-efi/files/fwupd-efi-1.4-uefi_210_fixes.patch b/sys-apps/fwupd-efi/files/fwupd-efi-1.4-uefi_210_fixes.patch new file mode 100644 index 000000000000..d4de5f174857 --- /dev/null +++ b/sys-apps/fwupd-efi/files/fwupd-efi-1.4-uefi_210_fixes.patch @@ -0,0 +1,107 @@ +From bd958f2e8f03a85a7e1fe40a3ca7b78e0b24b79f Mon Sep 17 00:00:00 2001 +From: Callum Farmer <gmbr3@opensuse.org> +Date: Sat, 11 Feb 2023 15:39:06 +0000 +Subject: [PATCH] UEFI 2.10 fixes + +Revert "Align sections to 512 bytes" + +This is not permitted according to the Microsoft +guidelines which require section alignment to be +the same as the page size of the architecture which +for all supported archs is the default in Binutils + +https://techcommunity.microsoft.com/t5/hardware-dev-center/new-uefi-ca-memory-mitigation-requirements-for-signing/ba-p/3608714 + +This reverts commit c60c0b8dfda71275ab40bdb316a6ca650c7a8948. + +Keep .areloc ARM32 section + +This is the psuedo .reloc section but renamed only on ARM32 to avoid +a bad RELSZ value (gnu-efi 3.0.18+) + +Only use 4KiB pages on aarch64 + +Binutils is currently configured by default +to use 64KiB pages on aarch64, however this +is not allowed by the UEFI specification + +Check if crt0 contains .note.GNU-stack section + +We need the .note.GNU-stack section for NX +compat. If we don't have a new enough +gnu-efi, error as the gnu-efi libraries +themselves must have been built as NX +for this to work + +Signed-off-by: Callum Farmer <gmbr3@opensuse.org> +--- + efi/crt0/meson.build | 1 + + efi/generate_binary.py | 4 ++-- + efi/meson.build | 12 +++++++++++- + 3 files changed, 14 insertions(+), 3 deletions(-) + +diff --git a/efi/crt0/meson.build b/efi/crt0/meson.build +index f5f45c5..fbd943e 100644 +--- a/efi/crt0/meson.build ++++ b/efi/crt0/meson.build +@@ -1,3 +1,4 @@ ++arch_crt_source = 'crt0-efi-@0@.S'.format(gnu_efi_path_arch) + o_crt0 = custom_target('efi_crt0', + input : arch_crt_source, + output : arch_crt, +diff --git a/efi/generate_binary.py b/efi/generate_binary.py +index bd2d959..e27f926 100755 +--- a/efi/generate_binary.py ++++ b/efi/generate_binary.py +@@ -31,9 +31,9 @@ def _run_objcopy(args): + "-j", + ".rodata", + "-j", ++ ".areloc", ++ "-j", + ".rel*", +- "--section-alignment", +- "512", + args.infile, + args.outfile, + ] +diff --git a/efi/meson.build b/efi/meson.build +index 1931855..a476884 100644 +--- a/efi/meson.build ++++ b/efi/meson.build +@@ -95,6 +95,11 @@ else + coff_header_in_crt0 = false + endif + ++# For NX compat, we must ensure we have .note.GNU-stack ++if run_command('grep', '-q', '.note.GNU-stack', join_paths(efi_crtdir, arch_crt), check: false).returncode() != 0 ++ error('Cannot find NX section in @0@, update to gnu-efi 3.0.15+'.format(join_paths(efi_crtdir, arch_crt))) ++endif ++ + # older objcopy for Aarch64 and ARM32 are not EFI capable. + # Use 'binary' instead, and add required symbols manually. + if host_cpu == 'arm' or (host_cpu == 'aarch64' and (objcopy_version.version_compare ('< 2.38') or coff_header_in_crt0)) +@@ -119,7 +124,6 @@ endif + # is the system crt0 for arm and aarch64 new enough to know about SBAT? + if objcopy_manualsymbols + if get_option('efi_sbat_distro_id') != '' +- arch_crt_source = 'crt0-efi-@0@.S'.format(gnu_efi_path_arch) + cmd = run_command('grep', '-q', 'sbat', join_paths(efi_crtdir, arch_crt)) + if cmd.returncode() != 0 + warning('Cannot find SBAT section in @0@, using local copy'.format(join_paths(efi_crtdir, arch_crt))) +@@ -187,6 +191,12 @@ efi_ldflags = ['-T', + '-L', efi_libdir, + join_paths(efi_crtdir, arch_crt)] + ++if host_cpu == 'aarch64' ++# Don't use 64KiB pages ++ efi_ldflags += ['-z', 'common-page-size=4096'] ++ efi_ldflags += ['-z', 'max-page-size=4096'] ++endif ++ + if objcopy_manualsymbols + # older objcopy for Aarch64 and ARM32 are not EFI capable. + # Use 'binary' instead, and add required symbols manually. +-- +2.34.1 + |