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author | (cdep)illabout <cdep.illabout@gmail.com> | 2019-05-05 20:16:19 +0900 |
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committer | (cdep)illabout <cdep.illabout@gmail.com> | 2019-05-06 17:08:55 +0900 |
commit | b12ea62ec98bc00b5283c5eecc5aba6e5f965444 (patch) | |
tree | d17bc3f507466e874afd90a56dc3c15ce377dad7 /nixos/modules/system/boot/loader/systemd-boot/systemd-boot-builder.py | |
parent | 181e97175556db5692a19ea6d7be3705568757d2 (diff) | |
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nixos/systemd-boot: add support for memtest86 EFI app
This commit adds support for installing the memtest86 EFI app and adding a boot entry for it with systemd-boot.
Diffstat (limited to 'nixos/modules/system/boot/loader/systemd-boot/systemd-boot-builder.py')
-rw-r--r-- | nixos/modules/system/boot/loader/systemd-boot/systemd-boot-builder.py | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/nixos/modules/system/boot/loader/systemd-boot/systemd-boot-builder.py b/nixos/modules/system/boot/loader/systemd-boot/systemd-boot-builder.py index 6016a85ea061..940d4c0eb973 100644 --- a/nixos/modules/system/boot/loader/systemd-boot/systemd-boot-builder.py +++ b/nixos/modules/system/boot/loader/systemd-boot/systemd-boot-builder.py @@ -33,6 +33,15 @@ initrd {initrd} options {kernel_params} """ +# The boot loader entry for memtest86. +# +# TODO: This is hard-coded to use the 64-bit EFI app, but it could probably +# be updated to use the 32-bit EFI app on 32-bit systems. The 32-bit EFI +# app filename is BOOTIA32.efi. +MEMTEST_BOOT_ENTRY = """title MemTest86 +efi /efi/memtest86/BOOTX64.efi +""" + def write_loader_conf(profile, generation): with open("@efiSysMountPoint@/loader/loader.conf.tmp", 'w') as f: if "@timeout@" != "": @@ -199,6 +208,24 @@ def main(): if os.readlink(system_dir(*gen)) == args.default_config: write_loader_conf(*gen) + memtest_entry_file = "@efiSysMountPoint@/loader/entries/memtest86.conf" + if os.path.exists(memtest_entry_file): + os.unlink(memtest_entry_file) + shutil.rmtree("@efiSysMountPoint@/efi/memtest86", ignore_errors=True) + if "@memtest86@" != "": + mkdir_p("@efiSysMountPoint@/efi/memtest86") + for path in glob.iglob("@memtest86@/*"): + if os.path.isdir(path): + shutil.copytree(path, os.path.join("@efiSysMountPoint@/efi/memtest86", os.path.basename(path))) + else: + shutil.copy(path, "@efiSysMountPoint@/efi/memtest86/") + + memtest_entry_file = "@efiSysMountPoint@/loader/entries/memtest86.conf" + memtest_entry_file_tmp_path = "%s.tmp" % memtest_entry_file + with open(memtest_entry_file_tmp_path, 'w') as f: + f.write(MEMTEST_BOOT_ENTRY) + os.rename(memtest_entry_file_tmp_path, memtest_entry_file) + # Since fat32 provides little recovery facilities after a crash, # it can leave the system in an unbootable state, when a crash/outage # happens shortly after an update. To decrease the likelihood of this |