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fwupd-efi/ARM-fixes.patch

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From ee8860bb75b6df50332858a199a20ac08795b5a7 Mon Sep 17 00:00:00 2001
From: Callum Farmer <gmbr3@opensuse.org>
Date: Wed, 14 Dec 2022 18:06:50 +0000
Subject: [PATCH 1/5] Use cflags in generate_sbat.py
This fixes a wchar length difference in fwup-sbat.o seen on ARM32
---
efi/generate_sbat.py | 3 ++-
efi/meson.build | 1 +
2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/efi/generate_sbat.py b/efi/generate_sbat.py
index c04918a..f445e13 100755
--- a/efi/generate_sbat.py
+++ b/efi/generate_sbat.py
@@ -18,8 +18,9 @@ def _generate_sbat(args):
FWUPD_SUMMARY = "Firmware update daemon"
FWUPD_URL = "https://github.com/fwupd/fwupd-efi"
+ cflags = args.cflags.split(" ")
subprocess.run(
- [args.cc, "-x", "c", "-c", "-o", args.outfile, "/dev/null"], check=True
+ [args.cc, "-x", "c", "-c", "-o", args.outfile, "/dev/null"] + cflags, check=True
)
# not specified
@@ -82,6 +82,7 @@ def _generate_sbat(args):
parser.add_argument(
"--cc", default="gcc", help="Compiler to use for generating sbat object"
)
+ parser.add_argument("--cflags", help="C compiler flags to be used by CC")
parser.add_argument(
"--objcopy", default="objcopy", help="Binary file to use for objcopy"
)
diff --git a/efi/meson.build b/efi/meson.build
index 8a5804c..0e29244 100644
--- a/efi/meson.build
+++ b/efi/meson.build
@@ -184,6 +184,7 @@ o_file5 = custom_target('fwup-sbat.o',
generate_sbat,
'@OUTPUT@',
'--cc', efi_cc,
+ '--cflags', ' '.join(compile_args),
'--objcopy', objcopy,
'--project-name', meson.project_name(),
'--project-version', meson.project_version(),
From 136c7e5774a50be56282ef8e3ecc489e140c6e8b Mon Sep 17 00:00:00 2001
From: Callum Farmer <gmbr3@opensuse.org>
Date: Sun, 1 Jan 2023 20:44:22 +0000
Subject: [PATCH 2/5] Passthrough whether manual symbol mode is being used on
ARM
---
efi/generate_binary.py | 11 ++++++++---
efi/meson.build | 3 +++
2 files changed, 11 insertions(+), 3 deletions(-)
diff --git a/efi/generate_binary.py b/efi/generate_binary.py
index 2979b7a..b1336a0 100755
--- a/efi/generate_binary.py
+++ b/efi/generate_binary.py
@@ -36,9 +36,9 @@ def _run_objcopy(args):
args.outfile,
]
- # aarch64 and arm32 don't have an EFI capable objcopy
- # Use 'binary' instead, and add required symbols manually
- if args.arch in ["aarch64", "arm"]:
+ # older objcopy for Aarch64 and ARM32 are not EFI capable.
+ # Use "binary" instead, and add required symbols manually.
+ if args.objcopy_manualsymbols:
argv.extend(["-O", "binary"])
elif args.os == "freebsd":
# `--target` option is missing and --input-target doesn't recognize
@@ -75,6 +75,11 @@ def _run_genpeimg(args):
parser.add_argument("--genpeimg", help="Binary file to use for genpeimg")
parser.add_argument("--arch", default="x86_64", help="EFI architecture")
parser.add_argument("--os", help="OS type")
+ parser.add_argument(
+ "--objcopy-manualsymbols",
+ type=int,
+ help="whether adding symbols direct to binary",
+ )
parser.add_argument("infile", help="Input file")
parser.add_argument("outfile", help="Output file")
_args = parser.parse_args()
diff --git a/efi/meson.build b/efi/meson.build
index 0e29244..72bea6d 100644
--- a/efi/meson.build
+++ b/efi/meson.build
@@ -145,9 +145,11 @@ efi_ldflags = ['-T',
'-L', efi_crtdir,
'-L', efi_libdir,
join_paths(efi_crtdir, arch_crt)]
+objcopy_manualsymbols = '0'
if objcopy_version.version_compare ('< 2.38') and (host_cpu == 'aarch64' or host_cpu == 'arm')
# older objcopy for Aarch64 and ARM32 are not EFI capable.
# Use 'binary' instead, and add required symbols manually.
+ objcopy_manualsymbols = '1'
efi_ldflags += ['--defsym=EFI_SUBSYSTEM=0xa']
efi_format = ['-O', 'binary']
else
@@ -222,6 +224,7 @@ app = custom_target(efi_name,
'--arch', gnu_efi_arch,
'--os', host_machine.system(),
'--objcopy', objcopy,
+ '--objcopy-manualsymbols', objcopy_manualsymbols,
'--genpeimg', genpeimg.found() ? genpeimg : ''
],
install : true,
From 44f12870f1253d47e64d551b6ebd1d5826e7d5f3 Mon Sep 17 00:00:00 2001
From: Callum Farmer <gmbr3@opensuse.org>
Date: Mon, 2 Jan 2023 14:10:00 +0000
Subject: [PATCH 3/5] Use manual symbols mode on ARM32 again
Most of the code for this is in binutils but
efi-app-arm target still doesn't exist
Partial revert of 8aff27ddefa9abbc0f5e221d7eaab5ef36a9c662
---
efi/meson.build | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/efi/meson.build b/efi/meson.build
index 72bea6d..b434179 100644
--- a/efi/meson.build
+++ b/efi/meson.build
@@ -76,7 +76,7 @@ if get_option('efi_sbat_distro_id') != ''
endif
# is the system crt0 for arm and aarch64 new enough to know about SBAT?
-if objcopy_version.version_compare ('< 2.38') and (host_cpu == 'aarch64' or host_cpu == 'arm')
+if host_cpu == 'arm' or (objcopy_version.version_compare ('< 2.38') and host_cpu == 'aarch64')
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))
@@ -146,7 +146,7 @@ efi_ldflags = ['-T',
'-L', efi_libdir,
join_paths(efi_crtdir, arch_crt)]
objcopy_manualsymbols = '0'
-if objcopy_version.version_compare ('< 2.38') and (host_cpu == 'aarch64' or host_cpu == 'arm')
+if host_cpu == 'arm' or (objcopy_version.version_compare ('< 2.38') and host_cpu == 'aarch64')
# older objcopy for Aarch64 and ARM32 are not EFI capable.
# Use 'binary' instead, and add required symbols manually.
objcopy_manualsymbols = '1'
From 6f2d3602f73e1bd71bb734902191a74a3c2ff132 Mon Sep 17 00:00:00 2001
From: Callum Farmer <gmbr3@opensuse.org>
Date: Fri, 6 Jan 2023 15:29:34 +0000
Subject: [PATCH 4/5] Rework objcopy-manualsymbols argument to generate-binary
Use store_true action instead of an integer value
---
efi/generate_binary.py | 2 +-
efi/generate_sbat.py | 6 +++++-
efi/meson.build | 21 +++++++++++++++------
3 files changed, 21 insertions(+), 8 deletions(-)
diff --git a/efi/generate_binary.py b/efi/generate_binary.py
index b1336a0..042b7d3 100755
--- a/efi/generate_binary.py
+++ b/efi/generate_binary.py
@@ -77,7 +77,7 @@ def _run_genpeimg(args):
parser.add_argument("--os", help="OS type")
parser.add_argument(
"--objcopy-manualsymbols",
- type=int,
+ action="store_true",
help="whether adding symbols direct to binary",
)
parser.add_argument("infile", help="Input file")
diff --git a/efi/meson.build b/efi/meson.build
index b434179..0311f8a 100644
--- a/efi/meson.build
+++ b/efi/meson.build
@@ -34,6 +34,16 @@ if host_cpu == 'x86_64' and host_machine.system() == 'freebsd'
lds_os = '_fbsd'
endif
+# older objcopy for Aarch64 and ARM32 are not EFI capable.
+# Use 'binary' instead, and add required symbols manually.
+if host_cpu == 'arm' or (objcopy_version.version_compare ('< 2.38') and host_cpu == 'aarch64')
+ objcopy_manualsymbols = true
+ generate_binary_extra = ['--objcopy-manualsymbols']
+else
+ objcopy_manualsymbols = false
+ generate_binary_extra = []
+endif
+
arch_lds = 'efi.lds'
arch_crt = 'crt0.o'
if efi_ldsdir == ''
@@ -76,7 +86,7 @@ if get_option('efi_sbat_distro_id') != ''
endif
# is the system crt0 for arm and aarch64 new enough to know about SBAT?
-if host_cpu == 'arm' or (objcopy_version.version_compare ('< 2.38') and host_cpu == 'aarch64')
+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))
@@ -145,11 +155,10 @@ efi_ldflags = ['-T',
'-L', efi_crtdir,
'-L', efi_libdir,
join_paths(efi_crtdir, arch_crt)]
-objcopy_manualsymbols = '0'
-if host_cpu == 'arm' or (objcopy_version.version_compare ('< 2.38') and host_cpu == 'aarch64')
+
+if objcopy_manualsymbols
# older objcopy for Aarch64 and ARM32 are not EFI capable.
# Use 'binary' instead, and add required symbols manually.
- objcopy_manualsymbols = '1'
efi_ldflags += ['--defsym=EFI_SUBSYSTEM=0xa']
efi_format = ['-O', 'binary']
else
@@ -224,9 +233,9 @@ app = custom_target(efi_name,
'--arch', gnu_efi_arch,
'--os', host_machine.system(),
'--objcopy', objcopy,
- '--objcopy-manualsymbols', objcopy_manualsymbols,
'--genpeimg', genpeimg.found() ? genpeimg : ''
- ],
+ ]
+ + generate_binary_extra,
install : true,
install_dir : efi_app_location)
From 9d6409827576a94ce780bf2bb450831821cd3765 Mon Sep 17 00:00:00 2001
From: Callum Farmer <gmbr3@opensuse.org>
Date: Mon, 23 Jan 2023 15:35:41 +0000
Subject: [PATCH 5/5] Add additional checks for incompatible CRT0
Add check for incompatible gnu-efi crt0 containing the header section
which gets added by objcopy and if used results in duplicate header
and subsequently a broken binary
Signed-off-by: Callum Farmer <gmbr3@opensuse.org>
---
efi/meson.build | 29 ++++++++++++++++++-----------
1 file changed, 18 insertions(+), 11 deletions(-)
diff --git a/efi/meson.build b/efi/meson.build
index 0311f8a..60e7aa6 100644
--- a/efi/meson.build
+++ b/efi/meson.build
@@ -34,16 +34,6 @@ if host_cpu == 'x86_64' and host_machine.system() == 'freebsd'
lds_os = '_fbsd'
endif
-# older objcopy for Aarch64 and ARM32 are not EFI capable.
-# Use 'binary' instead, and add required symbols manually.
-if host_cpu == 'arm' or (objcopy_version.version_compare ('< 2.38') and host_cpu == 'aarch64')
- objcopy_manualsymbols = true
- generate_binary_extra = ['--objcopy-manualsymbols']
-else
- objcopy_manualsymbols = false
- generate_binary_extra = []
-endif
-
arch_lds = 'efi.lds'
arch_crt = 'crt0.o'
if efi_ldsdir == ''
@@ -73,10 +63,27 @@ else
error('Cannot find @0@'.format(arch_lds))
endif
endif
+efi_crtdir = efi_ldsdir
+
+# If using objcopy, crt0 must not include the PE/COFF header
+if run_command('grep', '-q', 'coff_header', join_paths(efi_crtdir, arch_crt), check: false).returncode() == 0
+ coff_header_in_crt0 = true
+else
+ coff_header_in_crt0 = false
+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))
+ objcopy_manualsymbols = true
+ generate_binary_extra = ['--objcopy-manualsymbols']
+else
+ objcopy_manualsymbols = false
+ generate_binary_extra = []
+endif
# is the system linker script new enough to know about SBAT?
# i.e. gnu-efi with https://github.com/vathpela/gnu-efi/pull/14 has been installed
-efi_crtdir = efi_ldsdir
if get_option('efi_sbat_distro_id') != ''
cmd = run_command('grep', '-q', 'sbat', join_paths(efi_ldsdir, arch_lds))
if cmd.returncode() != 0
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