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| author | anonymix007 <48598263+anonymix007@users.noreply.github.com> | 2024-10-22 13:41:55 +0200 |
|---|---|---|
| committer | anonymix007 <48598263+anonymix007@users.noreply.github.com> | 2024-11-05 22:47:04 +0100 |
| commit | 1d79f667f4b5ce44dd8b742a7f521f9f50bf7532 (patch) | |
| tree | 9020b77d3b4a336d9edea8e4516a7fe6a88a8260 /src/boot/efi/stub.c | |
| parent | measure: Introduce .dtbauto support (diff) | |
| download | systemd-1d79f667f4b5ce44dd8b742a7f521f9f50bf7532.tar.xz systemd-1d79f667f4b5ce44dd8b742a7f521f9f50bf7532.zip | |
stub: Handle .dtbauto sections
Diffstat (limited to '')
| -rw-r--r-- | src/boot/efi/stub.c | 32 |
1 files changed, 27 insertions, 5 deletions
diff --git a/src/boot/efi/stub.c b/src/boot/efi/stub.c index 9664c95d57..7261e942d3 100644 --- a/src/boot/efi/stub.c +++ b/src/boot/efi/stub.c @@ -614,12 +614,13 @@ static EFI_STATUS load_addons( if (err != EFI_SUCCESS || (!PE_SECTION_VECTOR_IS_SET(sections + UNIFIED_SECTION_CMDLINE) && !PE_SECTION_VECTOR_IS_SET(sections + UNIFIED_SECTION_DTB) && + !PE_SECTION_VECTOR_IS_SET(sections + UNIFIED_SECTION_DTBAUTO) && !PE_SECTION_VECTOR_IS_SET(sections + UNIFIED_SECTION_INITRD) && !PE_SECTION_VECTOR_IS_SET(sections + UNIFIED_SECTION_UCODE))) { if (err == EFI_SUCCESS) err = EFI_NOT_FOUND; log_error_status(err, - "Unable to locate embedded .cmdline/.dtb/.initrd/.ucode sections in %ls, ignoring: %m", + "Unable to locate embedded .cmdline/.dtb/.dtbauto/.initrd/.ucode sections in %ls, ignoring: %m", items[i]); continue; } @@ -647,7 +648,21 @@ static EFI_STATUS load_addons( *cmdline = xasprintf("%ls%ls%ls", strempty(tmp), isempty(tmp) ? u"" : u" ", extra16); } - if (devicetree_addons && PE_SECTION_VECTOR_IS_SET(sections + UNIFIED_SECTION_DTB)) { + // FIXME: do we want to do something else here? + // This should behave exactly as .dtb/.dtbauto in the main UKI + if (devicetree_addons && PE_SECTION_VECTOR_IS_SET(sections + UNIFIED_SECTION_DTBAUTO)) { + *devicetree_addons = xrealloc(*devicetree_addons, + *n_devicetree_addons * sizeof(NamedAddon), + (*n_devicetree_addons + 1) * sizeof(NamedAddon)); + + (*devicetree_addons)[(*n_devicetree_addons)++] = (NamedAddon) { + .blob = { + .iov_base = xmemdup((const uint8_t*) loaded_addon->ImageBase + sections[UNIFIED_SECTION_DTBAUTO].memory_offset, sections[UNIFIED_SECTION_DTBAUTO].memory_size), + .iov_len = sections[UNIFIED_SECTION_DTBAUTO].memory_size, + }, + .filename = xstrdup16(items[i]), + }; + } else if (devicetree_addons && PE_SECTION_VECTOR_IS_SET(sections + UNIFIED_SECTION_DTB)) { *devicetree_addons = xrealloc(*devicetree_addons, *n_devicetree_addons * sizeof(NamedAddon), (*n_devicetree_addons + 1) * sizeof(NamedAddon)); @@ -968,13 +983,20 @@ static void install_embedded_devicetree( assert(sections); assert(dt_state); - if (!PE_SECTION_VECTOR_IS_SET(sections + UNIFIED_SECTION_DTB)) + UnifiedSection section = _UNIFIED_SECTION_MAX; + + /* Use automatically selected DT if available, otherwise go for "normal" one */ + if (PE_SECTION_VECTOR_IS_SET(sections + UNIFIED_SECTION_DTBAUTO)) + section = UNIFIED_SECTION_DTBAUTO; + else if (PE_SECTION_VECTOR_IS_SET(sections + UNIFIED_SECTION_DTB)) + section = UNIFIED_SECTION_DTB; + else return; err = devicetree_install_from_memory( dt_state, - (const uint8_t*) loaded_image->ImageBase + sections[UNIFIED_SECTION_DTB].memory_offset, - sections[UNIFIED_SECTION_DTB].memory_size); + (const uint8_t*) loaded_image->ImageBase + sections[section].memory_offset, + sections[section].memory_size); if (err != EFI_SUCCESS) log_error_status(err, "Error loading embedded devicetree, ignoring: %m"); } |