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stub: split out code that finds embedded initrds

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This commit is contained in:
Lennart Poettering
2024-06-26 17:09:45 +02:00
parent b199c0f26e
commit 8e67de8402
1 changed files with 21 additions and 9 deletions
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src/boot/efi/stub.c
+21 -9
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@@ -780,6 +780,26 @@ static void generate_embedded_initrds(
/* ret_measured= */ NULL);
}
static void lookup_embedded_initrds(
EFI_LOADED_IMAGE_PROTOCOL *loaded_image,
PeSectionVector sections[_UNIFIED_SECTION_MAX],
struct iovec initrds[static _INITRD_MAX]) {
assert(loaded_image);
assert(sections);
assert(initrds);
if (PE_SECTION_VECTOR_IS_SET(sections + UNIFIED_SECTION_INITRD))
initrds[INITRD_BASE] = IOVEC_MAKE(
(const uint8_t*) loaded_image->ImageBase + sections[UNIFIED_SECTION_INITRD].memory_offset,
sections[UNIFIED_SECTION_INITRD].size);
if (PE_SECTION_VECTOR_IS_SET(sections + UNIFIED_SECTION_UCODE))
initrds[INITRD_UCODE] = IOVEC_MAKE(
(const uint8_t*) loaded_image->ImageBase + sections[UNIFIED_SECTION_UCODE].memory_offset,
sections[UNIFIED_SECTION_UCODE].size);
}
static EFI_STATUS run(EFI_HANDLE image) {
_cleanup_(initrds_free) struct iovec initrds[_INITRD_MAX] = {};
void **dt_bases_addons_global = NULL, **dt_bases_addons_uki = NULL;
@@ -930,15 +950,7 @@ static EFI_STATUS run(EFI_HANDLE image) {
(const uint8_t*) loaded_image->ImageBase + sections[UNIFIED_SECTION_LINUX].memory_offset,
sections[UNIFIED_SECTION_LINUX].size);
if (PE_SECTION_VECTOR_IS_SET(sections + UNIFIED_SECTION_INITRD))
initrds[INITRD_BASE] = IOVEC_MAKE(
(const uint8_t*) loaded_image->ImageBase + sections[UNIFIED_SECTION_INITRD].memory_offset,
sections[UNIFIED_SECTION_INITRD].size);
if (PE_SECTION_VECTOR_IS_SET(sections + UNIFIED_SECTION_UCODE))
initrds[INITRD_UCODE] = IOVEC_MAKE(
(const uint8_t*) loaded_image->ImageBase + sections[UNIFIED_SECTION_UCODE].memory_offset,
sections[UNIFIED_SECTION_UCODE].size);
lookup_embedded_initrds(loaded_image, sections, initrds);
_cleanup_pages_ Pages initrd_pages = {};
struct iovec final_initrd;