boot: Add EFISTUB and refactor boot protocols

2026-10-27 22:50:43 +01:00
parent 6827dc309e
commit 196543c3d3
40 changed files with 1923 additions and 208 deletions
@@ -0,0 +1,42 @@
+efistub_sources = files(
+    'header.c',
+    'main.c',
+    'reloc.c',
+)
+
+efistub_lds = meson.current_source_dir() / 'stub.ld'
+
+subdir(target_machine.cpu_family())
+
+efistub_elf = executable(
+    'efistub.elf',
+    sources: [loader_sources, efistub_sources, loader_kernel],
+    include_directories: [
+        common_includes,
+        loader_includes,
+        include_directories('.', target_machine.cpu_family()),
+    ],
+    c_args: loader_c_args,
+    link_args: [
+        '-nostdlib',
+        '-Wl,-T,' + efistub_lds,
+        '-Wl,--no-dynamic-linker',
+        '-Wl,-z,text',
+        '-Wl,-z,norelro',
+        '-Wl,-z,noexecstack',
+        '-Wl,-z,max-page-size=0x1000',
+        '-Wl,--build-id=none',
+    ],
+    link_depends: efistub_lds,
+    pie: true,
+)
+
+zinnia_efi = custom_target(
+    'zinnia.efi',
+    input: efistub_elf,
+    output: 'zinnia.efi',
+    command: [objcopy, '-O', 'binary', '@INPUT@', '@OUTPUT@'],
+    build_by_default: true,
+    install: true,
+    install_dir: zinnia_bootdir,
+)